WO2018072230A1 - 一种零冷水燃气热水器及其系统 - Google Patents

一种零冷水燃气热水器及其系统 Download PDF

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Publication number
WO2018072230A1
WO2018072230A1 PCT/CN2016/103996 CN2016103996W WO2018072230A1 WO 2018072230 A1 WO2018072230 A1 WO 2018072230A1 CN 2016103996 W CN2016103996 W CN 2016103996W WO 2018072230 A1 WO2018072230 A1 WO 2018072230A1
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WO
WIPO (PCT)
Prior art keywords
water
pipe
outlet
cold
inlet
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PCT/CN2016/103996
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English (en)
French (fr)
Inventor
叶远璋
唐元锋
Original Assignee
广东万和新电气股份有限公司
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Publication of WO2018072230A1 publication Critical patent/WO2018072230A1/zh

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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
    • 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

Definitions

  • the invention relates to the technical field of gas appliances, in particular to a zero-cold water gas water heater and a system thereof.
  • a zero-cold water gas water heater including a water circulation heating pipe composed of a circulating water pump and a return water pipe, and one end of the water circulation heating pipe and the connection heat.
  • the cold water inlet pipe of the exchanger is connected, and the other end of the water circulation heating pipe is connected with the hot water outlet pipe of the gas water heater connected to the water point.
  • the working principle is: when the water temperature in the hot water outlet pipe is lower than the preset temperature, the circulating water pump starts to work, and the cold water in the hot water outlet pipe is returned to the cold water inlet pipe through the return pipe, and enters through the cold water inlet pipe.
  • the existing zero-cold water gas water heater further includes a water flow sensor disposed in the cold water pipe, and when the user is in normal water use, water flows in the cold water pipe, and the water flow sensor will flow the water. The flow rate is converted into an electrical signal and sent to the controller electrically connected to the water flow sensor. The controller then determines that there is water flowing in the cold water pipe, indicating that the user is using water, and the controller controls the zero cold water gas water heater. The heating work and the heated water is sent to the user's water point, so that the user can use water normally.
  • the water flow sensor is installed in a section of the cold water inlet pipe between the connection between the circulating heating pipe and the cold water inlet pipe and the heat exchanger. This will make the circulating heating pipe share a water flow sensor with the cold water inlet pipe.
  • the water circulation heating pipe has water flow, and the water flow sensor generates a water flow signal; when the user uses the bathroom water, the cold water The inlet pipe will also have water flow, and the water flow sensor will also generate a water flow signal; this will make it difficult for the controller to accurately determine that the user is in the bathroom.
  • Water or water circulation causes the water flow of the cold water pipe, so that when the user needs water, the zero-cold water gas water heater may instead perform water circulation heating, so that the user cannot use water normally (because when the user is in the process of water, the zero-cold water gas water heater is also When the water circulation is heated, the water pressure in the water point and the pipeline is not stable enough, and the water pressure instability in the pipeline also makes the control program of the zero-cold water gas water heater complicated, which makes the program operation error-prone.
  • the water heater is unstable, which affects the user's experience; and the user will waste energy when the water pump is still working, and also affect the working life of the pump.
  • an object of the present invention is to provide a zero-cold water gas water heater and a zero-cold water gas water heater system capable of correctly determining the user's water usage, thereby having a good user experience, saving energy, and prolonging the service life of the water pump.
  • the present invention provides a zero-cold water gas water heater, which comprises a circulating water pump, a water pump inlet pipe, a water pump outlet pipe, a cold water pipe, a cold water inlet nozzle, a hot water outlet nozzle, a heat exchanger, and a first one-way.
  • the cold water pipe is connected to the cold water inlet, and the cold water pipe is connected to an inlet end of the heat exchanger;
  • the water outlet end of the exchanger is in communication with the hot water outlet;
  • the first end of the water pump inlet pipe is for communicating with the hot water outlet, the second end of the water pump inlet pipe and the circulating water pump a water end connection;
  • a first end of the water pump outlet pipe is connected to the water outlet end of the circulating water pump, and a second end of the water pump outlet pipe is connected with the cold water pipe to form a first water pipe node;
  • a flow sensor is installed at the water pump inlet pipe or the water pump outlet pipe, and the second water flow sensor and the first one-way valve are both installed at the first water pipe node and the cold water inlet nozzle a section of cold water pipe
  • the inlet of the first one-way valve is in communication with the cold water inlet, the outlet of the first one-way valve is in communication with
  • the zero cold water gas water heater further includes a third one-way valve; the third one-way valve is installed At the water pump outlet pipe, and the inlet of the third one-way valve is in communication with the first end of the water pump outlet pipe, and the outlet of the third one-way valve is connected to the second end of the water pump outlet pipe Or the third check valve is installed at the water pump inlet pipe, and the inlet of the third check valve is in communication with the first end of the water pump inlet pipe, and the outlet of the third check valve Communicating with the second end of the water pump inlet pipe.
  • the zero-cold water gas water heater further includes a hot water storage tank, the water inlet end of the hot water storage tank is in communication with the water outlet end of the heat exchanger, and the water outlet end of the hot water storage tank and the heat The water outlet is connected.
  • the zero-cold water gas water heater further includes a water return nozzle for communicating with the hot water outlet, the water return nozzle being connected to the first end of the water pump inlet pipe.
  • the invention also provides a first zero-cold water gas water heater system, comprising a first water pipe, a second water pipe, a water inlet, at least one water mixing valve connected to a water point, a fourth one-way valve, a water return pipe, and a heat a water outlet pipe, a connecting pipe, and a zero-cold water gas water heater as described above;
  • the water return nozzle is connected to the cold water inlet nozzle through the connecting pipe;
  • the hot water port of the mixing valve passes through the hot water a water pipe connected to the hot water outlet, the hot water outlet pipe being connected to the first water pipe through the return water connection pipe in which the fourth check valve is installed;
  • the fourth check valve The inlet is in communication with the hot water outlet pipe, and the outlet of the fourth one-way valve is in communication with the first water pipe;
  • the cold water port of the mixing valve is connected to one end of the first water pipe, the first The other end of the water pipe is connected to one end of the second water pipe, and the other end of the
  • the invention also provides a second zero-cold water gas water heater system, comprising a first water pipe, a second water pipe, a water inlet, at least one water mixing valve connecting water points, a water return pipe, a hot water outlet pipe and the above a zero-cold water gas water heater; the hot water port of the mixing valve is connected to the hot water outlet through the hot water outlet pipe, and the hot water outlet pipe passes through the return water connection pipe and the return water a nozzle connection; a cold water port of the water mixing valve is connected to one end of the first water pipe, and the other end of the first water pipe is connected to the water tap, and one end of the second water pipe and the cold water The water inlet is connected, and the other end of the second water pipe is in communication with the water inlet.
  • the first end of the water pump inlet pipe is connected with the cold water pipe to form a second water pipe node
  • the second water pipe node is located at one end of the cold water inlet nozzle and the first water pipe node.
  • the second water flow sensor and the first one-way valve are specifically installed at a section of the cold water pipe between the first water pipe node and the second water pipe node.
  • the invention also provides a third zero-cold water gas water heater system, comprising a first water pipe, a second water pipe, a water inlet, at least one water mixing valve connected to the water point, a fourth check valve, a water return pipe, and a heat a water outlet pipe and a zero-cold water gas water heater as described above;
  • the hot water port of the water mixing valve is connected to the hot water outlet through the hot water outlet pipe, and the hot water outlet pipe is installed through the first
  • the return water connection pipe of the four-way valve is connected to the first water pipe;
  • the inlet of the fourth check valve is in communication with the hot water outlet pipe, and the outlet of the fourth check valve is a first water pipe is connected;
  • a cold water port of the water mixing valve is connected to one end of the first water pipe, and the other end of the first water pipe is connected to one end of the second water pipe, the second tap water
  • the other end of the tube is connected to the cold water inlet nozzle;
  • the water outlet is connected to the
  • the zero-cold water gas water heater further includes a connecting pipe, a second one-way valve installed at the connecting pipe, and a water return nozzle for communicating with the hot water outlet, the water returning nozzle passing through a connecting pipe and a section of a cold water pipe between the second water pipe node and the cold water inlet nozzle; an inlet of the second one-way valve is in communication with the water return nozzle, the second one-way valve The outlet is in communication with the cold water inlet.
  • the invention also provides a fourth zero-cold water gas water heater system, comprising a first water pipe, a second water pipe, a water inlet, at least one water mixing valve connecting water points, a water return pipe, a hot water outlet pipe and the above a zero-cold water gas water heater; the hot water port of the mixing valve is connected to the hot water outlet through the hot water outlet pipe, and the hot water outlet pipe passes through the return water connection pipe and the return water a nozzle connection; a cold water port of the water mixing valve is connected to one end of the first water pipe, and the other end of the first water pipe is connected to the water tap, and one end of the second water pipe and the cold water The water inlet is connected, and the other end of the second water pipe is in communication with the water inlet.
  • the zero cold water gas water heater and the zero cold water gas water heater system provided by the invention Connecting a first end of the water pump outlet pipe to a water outlet end of the circulating water pump, and connecting a second end of the water pump outlet pipe to the cold water pipe to form a first water pipe node, and the cold water pipe passes
  • the heat exchanger is in communication with the hot water outlet, and the first water flow sensor is installed at the water pump inlet pipe or the water pump outlet pipe;
  • the circulating water pump inlet pipe, the circulating water pump, the water pump outlet pipe, the cold water pipe, the heat exchanger, and the water circulation heating pipe formed by the hot water outlet are operated (ie, the circulating water pump Working, the circulating water pump sprays water coming in from the water pump inlet pipe into the water pump outlet pipe, and then enters the heat exchanger through the cold water pipe for circulating heating.
  • the first A water flow sensor generates a water flow signal, but the second water flow sensor does not generate a water flow signal (because the inlet of the first one-way valve is in communication with the cold water inlet, the first check valve Export and The first water pipe node is connected, and the first one-way valve is installed at a section of the cold water pipe between the first water pipe node and the cold water inlet nozzle, so the water flowing out of the water pump outlet pipe cannot be The direction of the cold water inlet nozzle is recirculated, so that the second water flow sensor installed at the cold water pipe between the first water pipe node and the cold water inlet nozzle does not generate a water flow signal)
  • the controller judges that the zero-cold water gas water heater is performing water circulation heating; and when the user needs water, when the circulating water pump works, the cold water inlet water flows into and passes through.
  • the cold water pipe reaches the heat exchanger for heating and flows out from the hot water spout after heating, so that the cold water pipe has water flowing, and the second water flow sensor generates a water flow signal.
  • the controller determines, according to the water flow signal, that the user is using water, then the controller stops the circulating water pump from operating, and the controller is based on the first water flow sensor and the Calculating the total water flow rate of the zero-cold water gas water heater by the water flow signal of the second water flow sensor, and then the controller controls the heating work of the zero-cold water gas water heater according to the total water flow, so that the user can use the water normally to overcome
  • the single flow sensor control program is complicated, the program operation is easy to make mistakes, and the zero cold water gas water heater is unstable, so the present invention has a good user experience; and because the second water flow sensor determines that the user is using water When the circulating water pump is stopped, the electric energy can be saved and the service life of the circulating water pump can be prolonged.
  • FIG. 1 is a schematic structural view of a zero-cold water gas water heater according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of another zero-cold water gas water heater provided by an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of another zero-cold water gas water heater provided by an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a zero-cold water gas water heater system according to an embodiment of the present invention.
  • Figure 5 is a schematic view showing another structure of the zero-cold water gas water heater system shown in Figure 4;
  • FIG. 6 is a schematic structural diagram of still another zero-cold water gas water heater system according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of still another zero-cold water gas water heater system according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of still another zero-cold water gas water heater system according to an embodiment of the present invention.
  • an aspect of the present invention provides a zero-cold water gas water heater, including a circulating water pump, a water pump inlet pipe 2, a water pump outlet pipe 3, a cold water pipe 4, a cold water inlet nozzle 5, and a heat.
  • the cold water pipe 4 is connected to the cold water inlet 5, And the cold water pipe 4 is connected to the water inlet end of the heat exchanger 7; the water outlet end of the heat exchanger 7 is in communication with the hot water outlet 6; the first end of the water pump inlet pipe 2 is used for Connected with the hot water outlet 6 , the second end of the water pump inlet pipe 2 is connected to the water inlet end of the circulating water pump 1 ; the first end of the water pump outlet pipe 3 Connected to the water outlet end of the circulating water pump 1, and the second end of the water pump outlet pipe 3 is connected with the cold water pipe 4 to form a first water pipe node; the first water flow sensor 10 is installed at the water pump inlet pipe 2 or the water pump outlet pipe 3, the second water flow sensor 11 and the first check valve 8 are both installed in a cold water between the first water pipe node and the cold water inlet
  • the zero cold water gas water heater further includes a third check valve 30 , the third check valve 30 is installed at the water pump outlet pipe 3 ; the third check valve 30 is installed At the water pump outlet pipe 3, and the inlet of the third one-way valve 30 is in communication with the first end of the water pump outlet pipe 3, the outlet of the third one-way valve 30 and the water pump outlet pipe 3
  • the second end of the third check valve 30 is installed at the water pump inlet pipe 2, and the inlet of the third check valve 30 is in communication with the first end of the water pump inlet pipe 2,
  • the outlet of the third check valve 30 is in communication with the second end of the water pump inlet pipe 2. This prevents water from flowing from the cold water pipe 4 through the water pump inlet pipe 2 to the water pump inlet pipe 2, thereby allowing the water flow to flow more concentratedly through the cold water pipe 4 connected to the cold water inlet nozzle 5 to the Heat exchanger 7.
  • the zero-cold water gas water heater further includes a hot water storage tank 31 , and the water inlet end of the hot water storage tank 31 is connected to the water outlet end of the heat exchanger 7 .
  • the water outlet end of the hot water storage tank 31 is in communication with the hot water outlet 6.
  • the hot water coming out of the heat exchanger 7 is mixed with the hot water temporarily stored in the hot water storage tank 31, thereby reducing the temperature variation range of the hot water coming out of the hot water outlet 6, thereby avoiding The water coming out of the hot water outlet 6 is hot and cold, thereby improving the user experience.
  • the hot water storage tank 31 and the heat exchanger 7 may be connected by one or more pipes, and the hot water storage tank 31 and the hot water outlet 6 may be It is connected by one or more pipes, and is not specifically limited herein.
  • the first end of the water pump outlet pipe 3 is connected to the water outlet end of the circulating water pump 1
  • the second end of the water pump outlet pipe 3 is connected with the cold water pipe 4
  • the first a water pipe node, and the cold water pipe 4 communicates with the hot water outlet 6 through the heat exchanger 7, and installs the first water flow sensor 10 at the water pump inlet pipe 2 or the water pump a water pipe 3; such as the water pump inlet pipe 2 for communicating with the hot water outlet 6, the circulating water pump 1, the water pump outlet pipe 3, the cold water pipe 4, the heat exchanger 7
  • the circulating water pump 1 sprays water coming in from the water pump inlet pipe 2 to the water pump outlet pipe 3 And then entering the heat exchanger 7 through the cold water pipe 4 for circulating heating.
  • the first water flow sensor 10 generates a water flow signal, but the second water flow sensor 11 does not generate a water flow signal (because the inlet of the first one-way valve 8 is in communication with the cold water inlet nozzle, the outlet of the first one-way valve is in communication with the first water conduit node, and the first one-way valve 8 a section installed between the first water pipe node and the cold water inlet nozzle 5
  • the water pipe 4 is located, so that the water flowing out of the water pump outlet pipe 3 cannot be returned to the cold water inlet nozzle 5, and therefore is installed between the first water pipe node and the cold water inlet nozzle 5.
  • the second water flow sensor 11 at the cold water pipe 4 does not generate a water flow signal.
  • the controller 9 judges that the zero-cold water gas water heater is performing water circulation heating; and when the user needs water, At this time, regardless of whether the circulating water pump 1 is operated, the cold water inlet nozzle 5 has water flowing in and passing through the cold water pipe 4 to the heat exchanger 7 for heating and from the hot water outlet nozzle 6 after heating.
  • the controller 9 determines, according to the water flow signal, that the user is using water, and then the controller 9
  • the circulating water pump 1 is stopped, and the controller 9 calculates the total water flow of the zero-cold water gas water heater according to the water flow signal of the first water flow sensor 10 and the second water flow sensor 11, and then Place
  • the controller 9 controls the heating work of the zero-cold water gas water heater according to the total water flow rate, so that the user can use water normally, and overcomes the problem that the single-flow sensor control program is complicated and the program operation is easy to make mistakes, so that the zero-cold water gas water heater does not work.
  • the problem of stability so the present invention has a good user experience; and because the circulation of the circulating water pump 1 is stopped when the user is determining that the user is using water by the second water flow sensor 11, energy can be saved and the circulating water pump 1 can be extended. The service life.
  • the zero-cold water gas water heater further includes a water return nozzle 13 for communicating with the hot water outlet nozzle 6, and the water return nozzle 13 is connected to the first end of the water pump inlet pipe 2.
  • the water return nozzle 13 for communicating with the hot water outlet 6 is connected to the first end of the water pump inlet pipe 2, such that the water return nozzle 13 a water pump inlet pipe 2, the circulating water pump 1, the water pump outlet pipe 3, the cold water pipe 4, the heat exchanger 7, and the hot water outlet 6 may constitute a water circulation heating pipe, so that the zero cold water
  • the gas water heater has the function of water circulation heating.
  • the first end of the water pump inlet pipe 2 is connected with the cold water pipe 4 to form a second water pipe node, and the second water pipe node is located at the cold water inlet nozzle 5 and the first water pipe node.
  • a section of the cold water pipe 4 between the second water flow sensor 11 and the first one-way valve 8 is specifically installed in a section of cold water between the first water pipe node and the second water pipe node Tube 4.
  • the second water pipe node is formed by connecting the first end of the water pump inlet pipe 2 to the cold water pipe 4 such that the water pump inlet pipe 2 connected to the cold water pipe 4 is
  • the cold water inlet nozzle 5 connected to the cold water pipe 4 is in communication with the hot water outlet nozzle 6, the cold water inlet nozzle 5, the water pump inlet pipe 2, the circulating water pump 1, and the
  • the water pump outlet pipe 3, the cold water pipe 4, the heat exchanger 7 and the hot water outlet 6 may constitute a water circulation heating pipe, so that the zero-cold water gas water heater has a function of water circulation heating.
  • the zero-cold water gas water heater further includes a connecting pipe 14, a second one-way valve 15 installed at the connecting pipe 14, and a water return nozzle 13 for communicating with the hot water spout 6.
  • the water return nozzle 13 is connected through the connecting pipe 14 and a section of the cold water pipe 4 between the second water pipe node and the cold water inlet nozzle 5; the inlet of the second check valve 15 and the The water return nozzle 13 is connected, The outlet of the second check valve 15 is in communication with the cold water inlet nozzle 5.
  • the second water pipe node is formed by connecting the first end of the water pump inlet pipe 2 with the cold water pipe 4, and the water return nozzle 13 is located through the connecting pipe 14 a second water pipe node is connected to a section of the cold water pipe 4 between the cold water inlet nozzle 5; such that when the water pump inlet pipe 2 connected to the cold water pipe 4 is connected to the cold water pipe 4
  • the water inlet nozzle 5 is in communication with the hot water outlet nozzle 6, the cold water inlet nozzle 5, the water pump inlet pipe 2, the circulating water pump 1, the water pump outlet pipe 3, the cold water pipe 4,
  • the heat exchanger 7 and the hot water spout 6 may constitute a water circulation heating line; or when the water pump inlet pipe 2 is connected to the hot water spout 6 through the water return nozzle 13
  • the water outlet 6 can constitute a water circulation
  • FIG. 4 Another aspect of the present invention provides a zero-cold water gas water heater system.
  • the hot water inlet nozzle 5 is connected; the hot water port of the mixing valve 23 communicates with the hot water outlet 6 through the hot water outlet pipe, and the hot water outlet pipe is installed with the fourth one-way
  • the return water connection pipe 25 of the valve 24 is connected to the first water pipe 20; the inlet of the fourth check valve 24 is in communication with the hot water outlet pipe 26, and the outlet of the fourth check valve 24
  • the first water pipe 20 is connected to the first water pipe 20; the cold water port of the water mixing valve 23 is connected to one end of the first water pipe 20, and the other
  • the hot water outlet pipe 26 communicating with the hot water outlet 6 passes through the safety
  • the return water connection pipe 25 equipped with the fourth check valve 24 is connected to the first water pipe 20, and the first water pipe 20 passes through the second water pipe 21 and the cold water
  • the nozzle 5 is connected such that the hot water outlet pipe 26, the return water connection pipe 25, the first water pipe 20, the second water pipe 21, the cold water inlet nozzle 5, and the connecting pipe 14 a water return nozzle 13, the water pump inlet pipe 2, the circulating water pump 1, the water pump outlet pipe 3, the cold water pipe 4, the heat exchanger 7, and the hot water outlet 6 may constitute a water circulation heating a pipeline that causes the zero-cold water gas water heater system to have a function of water circulation heating, that is, when a temperature sensor disposed in the hot water outlet pipe 26 and electrically connected to the controller 9 detects the hot water outlet pipe When the water temperature in 26 is lower than a preset requirement, the controller 9 controls the activation of the circulating water pump 1 so that the water in the hot water outlet pipe 26 continuously passes through
  • the cold water inlet nozzle 5 has water flowing in and passing through the cold water pipe 4 to the heat exchanger 7 for heating and heating from the The hot water outlet 6 flows out, so that the cold water pipe 4 has water flowing, and the second water flow sensor generates a water flow signal, and the controller 9 determines that the user is using water according to the water flow signal.
  • the controller 9 stops the circulating water pump 1 from operating, and the controller 9 calculates the zero cold water gas according to the water flow signal of the first water flow sensor 10 and the second water flow sensor 11
  • the total water flow rate of the water heater and then the controller 9 controls the heating work of the zero-cold water gas water heater according to the total water flow rate, so that the user can use water normally, and the program operation is easy to be mistaken because the single flow sensor control program is complicated.
  • the problem of unstable operation of the zero-cold water gas water heater is caused, so the present invention has a good user experience; and because the second water flow sensor 1 is passed 1 It is judged that the circulating water pump 1 is stopped when the user is using water, which can save electric energy and prolong the service life of the circulating water pump 1.
  • the zero cold water gas water heater system of the embodiment is in the system.
  • the connecting pipe can be removed.
  • the second water pipe 21 can be directly connected to the water return nozzle 13 (that is, the second water pipe 21 is no longer connected to the cold water inlet nozzle 5); a hot water outlet pipe 26, the return water connection pipe 25, the first water pipe 20, the second water pipe 21, the water return nozzle 13, the water pump inlet pipe 2, and the circulating water pump 1
  • the water pump outlet pipe 3, the cold water pipe 4, the heat exchanger 7 and the hot water outlet 6 may constitute a water circulation heating pipe, so that the zero-cold water gas water heater system has a function of water circulation heating, that is,
  • the controller 9 The activation of the circulating water pump 1 is controlled such that the water in the hot water outlet pipe 26 continuously passes through the return water connection pipe 25, the
  • the water in the hot water outlet pipe 26 is subjected to circulation heating, when the user opens the mixing valve 23 at the water point, the water point first flows out the heated water, and at this time, the tap water port 22
  • the tap water also enters the heat exchange through the second water pipe 21, the water return nozzle 13, the water pump inlet pipe 2, the circulating water pump 1, the water pump outlet pipe 3, and the cold water pipe 4.
  • the heater 7 is heated and flows from the hot water outlet 6 into the hot water outlet pipe 26 after heating, and then flows out through the water point connected to the hot water outlet pipe 26, thereby realizing hot water. Continuous supply. Therefore, the embodiment can realize the function of zero cold water of the gas water heater, and overcome the disadvantage that the water in the hot water outlet pipe 26 cannot be preheated, so that the tap water whose temperature does not meet the bath requirement is firstly discharged in the process of using the user. Thereby improving the user's bathing experience.
  • FIG. 6 Another aspect of the present invention provides a zero-cold water gas water heater system.
  • a first water pipe 20, a second water pipe 21, a water inlet port 22, at least one water mixing valve 23 connected to a water point, and a back are provided.
  • the hot water port of the mixing valve 23 passes through the hot water outlet pipe and the hot water outlet 6 Connected, the hot water outlet pipe is connected to the water return nozzle 13 through the return water connection pipe 25;
  • the cold water port of the water mixing valve 23 is connected to one end of the first water pipe 20, the first The other end of the water pipe 20
  • the water inlet 22 is connected to the water inlet 22, one end of the second water pipe 21 is connected to the cold water inlet 5, and the other end of the second water pipe 21 is connected to the water inlet 22.
  • the hot water outlet pipe communicating with the hot water outlet 6 is connected to the water return nozzle 13 through the return water connection pipe 25, such that the hot water outlet pipe, the a return water connection pipe 25, the water return nozzle 13, the water pump inlet pipe 2, the circulating water pump 1, the water pump outlet pipe 3, the cold water pipe 4, the heat exchanger 7, and the hot water
  • the water outlet 6 can constitute a water circulation heating pipe, so that the zero-cold water gas water heater system has a function of water circulation heating, that is, when a temperature sensor is disposed in the hot water outlet pipe 26 and electrically connected to the controller 9
  • the controller 9 controls the start of the circulating water pump 1 so that the water in the hot water outlet pipe 26 continuously passes back to the water.
  • a connecting pipe 25, a water return nozzle 13, the water pump inlet pipe 2, the circulating water pump 1, the water pump outlet pipe 3, and the cold water pipe 4 enter the heat exchanger 7 for heating, and are heated from The hot water outlet 6 flows out, thereby achieving circulation of water in the hot water outlet pipe 26. Heat.
  • the cold water inlet nozzle 5 has water flowing in and passing through the cold water pipe 4 to the heat exchanger 7 for heating and heating from the The hot water outlet 6 flows out, so that the cold water pipe 4 has water flowing, and the second water flow sensor generates a water flow signal, and the controller 9 determines that the user is using water according to the water flow signal.
  • the controller 9 stops the circulating water pump 1 from operating, and the controller 9 calculates the zero cold water gas according to the water flow signal of the first water flow sensor 10 and the second water flow sensor 11
  • the total water flow rate of the water heater and then the controller 9 controls the heating work of the zero-cold water gas water heater according to the total water flow rate, so that the user can use water normally, and the program operation is easy to be mistaken because the single flow sensor control program is complicated.
  • the problem of unstable operation of the zero-cold water gas water heater is caused, so the present invention has a good user experience; and because the second water flow sensor 1 is passed 1 It is judged that the circulating water pump 1 is stopped when the user is using water, which can save electric energy and prolong the service life of the circulating water pump 1.
  • FIG. 7 Another aspect of the present invention provides a zero cold water gas water heater system.
  • a first water pipe 20, a second water pipe 21, a water inlet port 22, and at least one water mixing valve for connecting water points are provided. 23.
  • the hot water port of the water mixing valve 23 passes through the hot water
  • An outlet pipe is connected to the hot water outlet 6
  • the hot water outlet pipe is connected to the first water pipe 20 through the return water connection pipe 25 on which the fourth check valve 24 is installed;
  • An inlet of the four check valve 24 is in communication with the hot water outlet pipe 26, and an outlet of the fourth check valve 24 is in communication with the first water pipe 20;
  • a cold water port of the water mixing valve 23 and the first One end of the water pipe 20 is connected, the other end of the first water pipe 20 is connected to one end of the second water pipe 21, and the other end of the second water pipe 21
  • the hot water outlet pipe communicating with the hot water outlet 6 passes through the return water connection pipe 25 and the first water pipe 20 in which the fourth check valve 24 is installed.
  • the other end of the second water pipe 21 connected to the first water pipe 20 is connected to the cold water inlet nozzle 5; thus, when the water pump inlet pipe 2 is connected to the cold water pipe 4
  • the cold water inlet nozzle 5, the water pump inlet pipe 2, the circulating water pump 1, the water pump outlet pipe 3, the cold water pipe 4, the heat exchanger 7, and the hot water outlet 6 may be configured
  • the water circulation heating pipe causes the zero-cold water gas water heater system to have a function of water circulation heating, that is, when the temperature sensor provided in the hot water outlet pipe 26 and electrically connected to the controller 9 detects the hot water
  • the controller 9 controls when the water temperature in the outlet pipe 26 is lower than a prese
  • the startup of the circulating water pump 1 causes the water in the hot water outlet pipe 26 to continuously pass through the return water connection pipe 25, the first water pipe 20, the second water pipe 21, the cold water inlet nozzle 5,
  • the water pump inlet pipe 2, the circulating water pump 1, the water pump outlet pipe 3, and the cold water pipe 4 enter the heat exchanger 7 for heating, and flow out from the hot water outlet 6 after heating. Thereby, circulating heating of the water in the hot water outlet pipe 26 is achieved.
  • the cold water inlet nozzle 5 has water flowing in and passing through the cold water pipe 4 to the heat exchanger 7 for heating and heating from the The hot water spout 6 flows out, thereby causing the cold
  • the water pipe 4 has water flowing
  • the second water flow sensor generates a water flow signal
  • the controller 9 determines that the user is using water according to the water flow signal
  • the controller 9 stops the circulating water pump 1 Working
  • the controller 9 calculates a total water flow rate of the zero-cold water gas water heater according to the water flow signal of the first water flow sensor 10 and the second water flow sensor 11, and then the controller 9 according to the
  • the total water flow rate controls the heating work of the zero-cold water gas water heater, so that the user can use the water normally, and overcomes the problem that the zero-cold water gas water heater is unstable due to the complicated operation of the single-flow sensor control program, so the problem is unstable.
  • the invention has a good user experience; and since the
  • FIG. 8 Another aspect of the present invention provides a zero-cold water gas water heater system.
  • a first water pipe 20, a second water pipe 21, a water inlet port 22, at least one water mixing valve 23 connected to a water point, and a back are provided.
  • the hot water port of the mixing valve 23 passes through the hot water outlet pipe and the hot water outlet 6 Connected, the hot water outlet pipe is connected to the water return nozzle 13 through the return water connection pipe 25;
  • the cold water port of the water mixing valve 23 is connected to one end of the first water pipe 20, the first The other end of the water pipe 20 is in communication with the water inlet 22, one end of the second water pipe 21 is connected to the cold water inlet 5, and the other end of the second water pipe 21 is connected to the water inlet 22.
  • the hot water outlet pipe communicating with the hot water outlet 6 is connected to the water return nozzle 13 through the return water connection pipe 25, such that the hot water outlet pipe, the a return water connection pipe 25, the water return nozzle 13, the connection pipe 14, the water pump inlet pipe 2, the circulating water pump 1, the water pump outlet pipe 3, the cold water pipe 4, the heat exchanger 7 and the hot water outlet 6 may constitute a water circulation heating line, so that the zero-cold water gas water heater system has a function of water circulation heating, that is, when disposed in the hot water outlet pipe 26 and with the controller 9
  • the controller 9 controls the start of the circulating water pump so that the hot water outlet pipe 26
  • the water continuously passes through the return water connection pipe 25, the water return nozzle 13, the connecting pipe 14, the water pump inlet pipe 2, the circulating water pump 1, the water pump outlet pipe 3,
  • the cold water pipe 4 enters the heat exchanger 7 for heating, and flows out from the
  • the cold water inlet nozzle 5 has water flowing in and passing through the cold water pipe 4 to the heat exchanger 7 for heating and heating from the The hot water outlet 6 flows out, so that the cold water pipe 4 has water flowing, and the second water flow sensor generates a water flow signal, and the controller 9 determines that the user is using water according to the water flow signal.
  • the controller 9 stops the circulating water pump 1 from operating, and the controller 9 calculates the zero cold water gas according to the water flow signal of the first water flow sensor 10 and the second water flow sensor 11
  • the total water flow rate of the water heater and then the controller 9 controls the heating work of the zero-cold water gas water heater according to the total water flow rate, so that the user can use water normally, and the program operation is easy to be mistaken because the single flow sensor control program is complicated.
  • the problem of unstable operation of the zero-cold water gas water heater is caused, so the present invention has a good user experience; and because the second water flow sensor 1 is passed 1 It is judged that the circulating water pump 1 is stopped when the user is using water, which can save electric energy and prolong the service life of the circulating water pump 1.
  • first check valve 8, the second check valve 15, the third check valve 30, and the fourth check valve 24 may each be one or more. This is not specifically limited.
  • the water pump outlet pipe 3 can be connected to the cold water pipe 4 through a three-way joint.
  • the water pump outlet pipe 3 and the cold water pipe 4 can also be integrally formed, and is not specifically limited herein.

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Abstract

一种零冷水燃气热水器，包括循环水泵（1）、水泵进水管（2）、水泵出水管（3）、冷水管（4）、冷水进水嘴（5）、热水出水嘴（6）、热交换器（7）、第一单向阀（8）、控制器（9）、第一水流量传感器（10）和第二水流量传感器（11）；冷水进水嘴（5）、冷水管（4）、热交换器（7）与热水出水嘴（6）依次连通；水泵进水管（2）通过循环水泵（1）与水泵出水管（3）连接，且水泵出水管（3）与冷水管（4）连接并在连接处形成第一水管节点；第一水流量传感器（10）安装于水泵进水管（2）或水泵出水管（3）处，第二水流量传感器（11）与第一单向阀（8）均安装于第一水管节点与冷水进水嘴（5）之间的一段冷水管（4）处；循环水泵（1）、第一水流量传感器（10）与第二水流量传感器（11）均与控制器（9）电连接。

Description

一种零冷水燃气热水器及其系统 技术领域
本发明涉及燃气具技术领域，尤其涉及一种零冷水燃气热水器及其系统。
背景技术
为了解决燃气热水器在使用时用水点首先会流出自来水的这一缺点，目前出现了零冷水燃气热水器，包括由循环水泵和回水管等构成的水循环加热管路，水循环加热管路的一端与连接热交换器的冷水进水管连接，水循环加热管路的另一端与和用水点连接的燃气热水器的热水出水管连接。其工作原理是：当热水出水管中的水温低于预设温度时，循环水泵就开始工作，通过回水管将热水出水管中的冷水回流至冷水进水管中，并通过冷水进水管进入到热交换器张进行加热，这样可以实现热水出水管中的冷水的预加热，从而使得用户在用水点使用的水都经过预先加热。此外，现有的零冷水燃气热水器还包括设于所述冷水管中的水流量传感器，当用户在正常的用水过程中，所述冷水管中会有水流动，这时水流量传感器会将水流的流速转变为电信号并将电信号发送给与水流传感器电连接的控制器，然后控制器会判断出冷水管中有水流动，表明用户正在用水，这时控制器会控制零冷水燃气热水器的加热工作，并将加热后的水送到用户用水点，从而使得用户能够正常用水。
但是因为目前的零冷水燃气热水器的循环加热管路与冷水进水管连通，而水流量传感器安装在循环加热管路与冷水进水管的连通处与所述热交换器之间的一段冷水进水管中，这会使得循环加热管路与冷水进水管共用一个水流量传感器，当进行冷水预加热时，水循环加热管路有水流动，水流量传感器就会产生水流信号；当用户进行卫浴用水时，冷水进水管也会有水流动，水流量传感器也会产生水流信号；这样会使得控制器很难准确地判断出是用户在进行卫浴 用水还是水循环加热而导致的冷水管的水流动，从而使得当用户需要用水时零冷水燃气热水器反而可能会进行水循环加热，使得用户不能正常用水(因为当用户在用水的过程中零冷水燃气热水器也在进行水循环加热时，会使得用水点和管路中的水压不够稳定，同时因为管路中的水压不稳定也会使得零冷水燃气热水器的控制程序复杂，这样使得程序运算容易出错而导致热水器工作不稳定)，进而影响了用户的使用体验；并且用户在用水水泵还在工作的话会浪费电能，同时也影响了水泵的工作寿命。
发明内容
针对上述问题，本发明的目的在于提供一种能够正确判断出用户用水的情况从而具有良好的用户体验并可以节约电能以及延长水泵使用寿命的零冷水燃气热水器以及零冷水燃气热水器系统。
为了实现上述目的，本发明提供了一种零冷水燃气热水器，其包括循环水泵、水泵进水管、水泵出水管、冷水管、冷水进水嘴、热水出水嘴、热交换器、第一单向阀、控制器、第一水流量传感器以及第二水流量传感器；所述冷水管与所述冷水进水嘴连接，且所述冷水管与所述热交换器的进水端连接；所述热交换器的出水端与所述热水出水嘴连通；所述水泵进水管的第一端用于与所述热水出水嘴连通，所述水泵进水管的第二端与所述循环水泵的进水端连接；所述水泵出水管的第一端与所述循环水泵的出水端连接，且所述水泵出水管的第二端与所述冷水管连接形成第一水管节点；所述第一水流量传感器安装于所述水泵进水管处或所述水泵出水管处，所述第二水流量传感器与所述第一单向阀均安装于所述第一水管节点与所述冷水进水嘴之间的一段冷水管处；所述第一单向阀的入口与所述冷水进水嘴连通，所述第一单向阀的出口与所述第一水管节点连通；所述循环水泵、所述第一水流量传感器与所述第二水流量传感器均与所述控制器电连接。
优选地，所述零冷水燃气热水器还包括第三单向阀；所述第三单向阀安装 在所述水泵出水管处，且所述第三单向阀的入口与所述水泵出水管的第一端连通，所述第三单向阀的出口与所述水泵出水管的第二端连通；或者，所述第三单向阀安装在所述水泵进水管处，且所述第三单向阀的入口与所述水泵进水管的第一端连通，所述第三单向阀的出口与所述水泵进水管的第二端连通。
优选地，所述零冷水燃气热水器还包括热水储水箱，所述热水储水箱的进水端与所述热交换器的出水端连通，所述热水储水箱的出水端与所述热水出水嘴连通。
优选地，所述零冷水燃气热水器还包括用于与所述热水出水嘴连通的回水嘴，所述回水嘴与所述水泵进水管的第一端连接。
本发明还提供了第一种零冷水燃气热水器系统，包括第一自来水管、第二自来水管、自来水口、至少一个连接用水点的混水阀、第四单向阀、回水连接管、热水出水管、连接管以及如上所述的零冷水燃气热水器；所述回水嘴通过所述连接管与所述冷水进水嘴连接；所述混水阀的热水口通过所述热水出水管与所述热水出水嘴连通，所述热水出水管通过安装有所述第四单向阀的所述回水连接管与所述第一自来水管连接；所述第四单向阀的入口与所述热水出水管连通，所述第四单向阀的出口与所述第一自来水管连通；所述混水阀的冷水口与所述第一自来水管的一端连接，所述第一自来水管的另一端与所述第二自来水管的一端连接，所述第二自来水管的另一端与所述冷水进水嘴连接；所述自来水口均与所述第一自来水管以及所述第二自来水管连接。
本发明还提供了第二种零冷水燃气热水器系统，包括第一自来水管、第二自来水管、自来水口、至少一个连接用水点的混水阀、回水连接管、热水出水管以及如上所述的零冷水燃气热水器；所述混水阀的热水口通过所述热水出水管与所述热水出水嘴连通，所述热水出水管通过所述回水连接管与所述回水嘴连接；所述混水阀的冷水口与所述第一自来水管的一端连接，所述第一自来水管的另一端与所述自来水口连通，所述第二自来水管的一端与所述冷水进水嘴连接，所述第二自来水管的另一端与所述自来水口连通。
优选地，所述水泵进水管的第一端与所述冷水管连接以形成第二水管节点，所述第二水管节点位于所述冷水进水嘴与所述第一水管节点之间的一端冷水管处，所述第二水流量传感器与所述第一单向阀具体是均安装于位于所述第一水管节点与所述第二水管节点之间的一段冷水管处。
本发明还提供了第三种零冷水燃气热水器系统，包括第一自来水管、第二自来水管、自来水口、至少一个连接用水点的混水阀、第四单向阀、回水连接管、热水出水管以及如上所述的零冷水燃气热水器；所述混水阀的热水口通过所述热水出水管与所述热水出水嘴连通，所述热水出水管通过安装有所述第四单向阀的所述回水连接管与所述第一自来水管连接；所述第四单向阀的入口与所述热水出水管连通，所述第四单向阀的出口与所述第一自来水管连通；所述混水阀的冷水口与所述第一自来水管的一端连接，所述第一自来水管的另一端与所述第二自来水管的一端连接，所述第二自来水管的另一端与所述冷水进水嘴连接；所述自来水口均与所述第一自来水管以及所述第二自来水管连接。
进一步地，所述零冷水燃气热水器还包括连接管、安装于所述连接管处的第二单向阀以及用于与所述热水出水嘴连通的回水嘴，所述回水嘴通过所述连接管和位于所述第二水管节点与所述冷水进水嘴之间的一段冷水管连接；所述第二单向阀的入口与所述回水嘴连通，所述第二单向阀的出口与所述冷水进水嘴连通。
本发明还提供了第四种零冷水燃气热水器系统，包括第一自来水管、第二自来水管、自来水口、至少一个连接用水点的混水阀、回水连接管、热水出水管以及如上所述的零冷水燃气热水器；所述混水阀的热水口通过所述热水出水管与所述热水出水嘴连通，所述热水出水管通过所述回水连接管与所述回水嘴连接；所述混水阀的冷水口与所述第一自来水管的一端连接，所述第一自来水管的另一端与所述自来水口连通，所述第二自来水管的一端与所述冷水进水嘴连接，所述第二自来水管的另一端与所述自来水口连通。
本发明提供的所述零冷水燃气热水器以及所述零冷水燃气热水器系统，通 过将所述水泵出水管的第一端与所述循环水泵的出水端连接，且将所述水泵出水管的第二端与所述冷水管连接形成第一水管节点，且所述冷水管通过所述热交换器与所述热水出水嘴连通，并将所述第一水流量传感器安装于所述水泵进水管处或所述水泵出水管处；这样当用于与所述热水出水嘴连通的所述水泵进水管、所述循环水泵、所述水泵出水管、所述冷水管、所述热交换器以及所述热水出水嘴构成的水循环加热管路工作时(即所述循环水泵工作)，所述循环水泵将从所述水泵进水管进来的水喷到所述水泵出水管中，然后通过所述冷水管进入到所述热交换器中进行循环加热，这个时候，所述第一水流量传感器会产生水流信号，但是所述第二水流量传感器并没有产生水流信号(因为所述第一单向阀的入口与所述冷水进水嘴连通，所述第一单向阀的出口与所述第一水管节点连通，且所述第一单向阀安装于所述第一水管节点与所述冷水进水嘴之间的一段冷水管处，所以所述水泵出水管流出的水是不能向所述冷水进水嘴的方向回流的，因此安装于所述第一水管节点与所述冷水进水嘴之间的所述冷水管处的所述第二水流量传感器就不会产生水流信号)，这时所述控制器就会判断所述零冷水燃气热水器正在进行水循环加热；而当用户需要用水时，这时无论所述循环水泵是否工作，所述冷水进水嘴会有水流进并经过所述冷水管到达所述热交换器进行加热并在加热后从所述热水出水嘴流出，从而使得所述冷水管有水流动，这时所述第二水流量传感器就会产生水流信号，并且所述控制器根据该水流信号判断出用户正在用水，然后所述控制器让所述循环水泵停止工作，并且所述控制器根据所述第一水流量传感器与所述第二水流量传感器的水流信号计算出所述零冷水燃气热水器的总水流量，然后所述控制器根据所述总水流量控制所述零冷水燃气热水器的加热工作，使得用户可以正常用水，克服了因为单流量传感器控制程序复杂而使得程序运算容易出错所导致零冷水燃气热水器工作不稳定的问题，因此本发明具有良好的用户体验；并且因为通过所述第二水流量传感器判断出用户正在用水时就让所述循环水泵停止工作，可以节约电能以及延长所述循环水泵的使用寿命。
附图说明
为了更清楚地说明本发明的技术方案，下面将对实施方式中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例提供的一种零冷水燃气热水器的结构示意图；
图2是本发明实施例提供的另一种零冷水燃气热水器的结构示意图；
图3是本发明实施例提供的另一种零冷水燃气热水器的结构示意图；
图4是本发明实施例提供的一种零冷水燃气热水器系统的结构示意图；
图5是图4所示的零冷水燃气热水器系统的另外一种结构示意图；
图6是本发明实施例提供的又一种零冷水燃气热水器系统的结构示意图；
图7是本发明实施例提供的又一种零冷水燃气热水器系统的结构示意图；
图8是本发明实施例提供的又一种零冷水燃气热水器系统的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参见图1、图2与图3，本发明一方面提供了一种零冷水燃气热水器，包括循环水泵1、水泵进水管2、水泵出水管3、冷水管4、冷水进水嘴5、热水出水嘴6、热交换器7、第一单向阀8、控制器9、第一水流量传感器10以及第二水流量传感器11；所述冷水管4与所述冷水进水嘴5连接，且所述冷水管4与所述热交换器7的进水端连接；所述热交换器7的出水端与所述热水出水嘴6连通；所述水泵进水管2的第一端用于与所述热水出水嘴6连通，所述水泵进水管2的第二端与所述循环水泵1的进水端连接；所述水泵出水管3的第一端 与所述循环水泵1的出水端连接，且所述水泵出水管3的第二端与所述冷水管4连接形成第一水管节点；所述第一水流量传感器10安装于所述水泵进水管2处或所述水泵出水管3处，所述第二水流量传感器11与所述第一单向阀8均安装于所述第一水管节点与所述冷水进水嘴5之间的一段冷水管4处；所述第一单向阀8的入口与所述冷水进水嘴连通，所述第一单向阀8的出口与所述第一水管节点连通；所述循环水泵1、所述第一水流量传感器10与所述第二水流量传感器11均与所述控制器9电连接。
优选地，请参见图1，所述零冷水燃气热水器还包括第三单向阀30，所述第三单向阀30安装于所述水泵出水管3处；所述第三单向阀30安装在所述水泵出水管3处，且所述第三单向阀30的入口与所述水泵出水管3的第一端连通，所述第三单向阀30的出口与所述水泵出水管3的第二端连通；或者，所述第三单向阀30安装在所述水泵进水管2处，且所述第三单向阀30的入口与所述水泵进水管2的第一端连通，所述第三单向阀30的出口与所述水泵进水管2的第二端连通。这样可以防止水从所述冷水管4通过所述水泵进水管2流向所述水泵进水管2，从而让水流更加集中地通过与所述冷水进水嘴5连接的所述冷水管4流向所述热交换器7。
优选地，请参见图1、图2与图3，所述零冷水燃气热水器还包括热水储水箱31，所述热水储水箱31的进水端与所述热交换器7的出水端连通，所述热水储水箱31的出水端与所述热水出水嘴6连通。这样从所述热交换器7出来的热水与暂时存放在所述热水储水箱31中的热水进行混合，降低了所述热水出水嘴6出来的热水的温度变化幅度，从而避免了所述热水出水嘴6出来的水忽冷忽热，进而改善了用户的使用体验。需要说明的是，所述热水储水箱31与所述热交换器7之间可以通过一根或者多根管道连接通，所述热水储水箱31与所述热水出水嘴6之间可以通过一根或者多跟管道连通，在此不做具体限定。
在本发明实施例中，通过将所述水泵出水管3的第一端与所述循环水泵1的出水端连接，且将所述水泵出水管3的第二端与所述冷水管4连接形成第一 水管节点，且所述冷水管4通过所述热交换器7与所述热水出水嘴6连通，并将所述第一水流量传感器10安装于所述水泵进水管2处或所述水泵出水管3处；这样当用于与所述热水出水嘴6连通的所述水泵进水管2、所述循环水泵1、所述水泵出水管3、所述冷水管4、所述热交换器7以及所述热水出水嘴6构成的水循环加热管路工作时(即所述循环水泵1工作)，所述循环水泵1将从所述水泵进水管2进来的水喷到所述水泵出水管3中，然后通过所述冷水管4进入到所述热交换器7中进行循环加热，这个时候，所述第一水流量传感器10会产生水流信号，但是所述第二水流量传感器11并没有产生水流信号(因为所述第一单向阀8的入口与所述冷水进水嘴连通，所述第一单向阀的出口与所述第一水管节点连通，且所述第一单向阀8安装于所述第一水管节点与所述冷水进水嘴5之间的一段冷水管4处，所以所述水泵出水管3流出的水是不能向所述冷水进水嘴5的方向回流的，因此安装于所述第一水管节点与所述冷水进水嘴5之间的所述冷水管4处的所述第二水流量传感器11就不会产生水流信号)，这时所述控制器9就会判断所述零冷水燃气热水器正在进行水循环加热；而当用户需要用水时，这时无论所述循环水泵1是否工作，所述冷水进水嘴5会有水流进并经过所述冷水管4到达所述热交换器7进行加热并在加热后从所述热水出水嘴6流出，从而使得所述冷水管4有水流动，这时所述第二水流量传感器就会产生水流信号，并且所述控制器9根据该水流信号判断出用户正在用水，然后所述控制器9让所述循环水泵1停止工作，并且所述控制器9根据所述第一水流量传感器10与所述第二水流量传感器11的水流信号计算出所述零冷水燃气热水器的总水流量，然后所述控制器9根据所述总水流量控制所述零冷水燃气热水器的加热工作，使得用户可以正常用水，克服了因为单流量传感器控制程序复杂而使得程序运算容易出错所导致零冷水燃气热水器工作不稳定的问题，因此本发明具有良好的用户体验；并且因为通过所述第二水流量传感器11判断出用户正在用水时就让所述循环水泵1停止工作，可以节约电能以及延长所述循环水泵1的使用寿命。
为了便于对本发明的理解，在此，提供本发明的一些优选实例：
第一种优选实施例：
请参见图1，所述零冷水燃气热水器还包括用于与所述热水出水嘴6连通的回水嘴13，所述回水嘴13与所述水泵进水管2的第一端连接。
在本优选实施例中，通过将用于与所述热水出水嘴6连通的所述回水嘴13与所述水泵进水管2的第一端连接，这样所述回水嘴13、所述水泵进水管2、所述循环水泵1、所述水泵出水管3、所述冷水管4、所述热交换器7以及所述热水出水嘴6可以构成水循环加热管路，使得所述零冷水燃气热水器具有水循环加热的功能。
第二种优选实施例：
请参见图2，所述水泵进水管2的第一端与所述冷水管4连接以形成第二水管节点，所述第二水管节点位于所述冷水进水嘴5与所述第一水管节点之间的一段冷水管4处，所述第二水流量传感器11与所述第一单向阀8具体是均安装于位于所述第一水管节点与所述第二水管节点之间的一段冷水管4处。
在本优选实施例中，通过将所述水泵进水管2的第一端与所述冷水管4连接以形成第二水管节点，这样当与所述冷水管4连接的所述水泵进水管2是通过与所述冷水管4连接的所述冷水进水嘴5来与所述热水出水嘴6连通时，所述冷水进水嘴5、所述水泵进水管2、所述循环水泵1、所述水泵出水管3、所述冷水管4、所述热交换器7以及所述热水出水嘴6可以构成水循环加热管路，使得所述零冷水燃气热水器具有水循环加热的功能。
在第二种优选实施例的基础上提供第三种优选实施例：
请参见图3，所述零冷水燃气热水器还包括连接管14、安装于所述连接管14处的第二单向阀15以及用于与所述热水出水嘴6连通的回水嘴13，所述回水嘴13通过所述连接管14和位于所述第二水管节点与所述冷水进水嘴5之间的一段冷水管4连接；所述第二单向阀15的入口与所述回水嘴13连通，所述 第二单向阀15的出口与所述冷水进水嘴5连通。
在本优选实施例中，通过将所述水泵进水管2的第一端与所述冷水管4连接以形成第二水管节点，且所述回水嘴13通过所述连接管14与位于所述第二水管节点与所述冷水进水嘴5之间的一段冷水管4连接；这样当与所述冷水管4连接的所述水泵进水管2是通过与所述冷水管4连接的所述冷水进水嘴5来与所述热水出水嘴6连通时，所述冷水进水嘴5、所述水泵进水管2、所述循环水泵1、所述水泵出水管3、所述冷水管4、所述热交换器7以及所述热水出水嘴6可以构成水循环加热管路；又或者是当所述水泵进水管2是通过所述回水嘴13来与所述热水出水嘴6连通时，所述回水嘴13、所述连接管14、所述水泵进水管2、所述循环水泵1、所述水泵出水管3、所述冷水管4、所述热交换器7以及所述热水出水嘴6可以构成水循环加热管路；因此通过本优选实施例使得所述零冷水燃气热水器具有水循环加热的功能并能够让用户根据实际情况进行水循环加热管路的设计，提升了用户的使用体验。
本发明另一方面提供了一种零冷水燃气热水器系统，请参阅图4，包括第一自来水管20、第二自来水管21、自来水口22、至少一个连接用水点的混水阀23、第四单向阀24、回水连接管25、热水出水管26、连接管14以及如第一种优选实施例所述的零冷水燃气热水器；所述回水嘴13通过所述连接管14与所述冷水进水嘴5连接；所述混水阀23的热水口通过所述热水出水管与所述热水出水嘴6连通，所述热水出水管通过安装有所述第四单向阀24的所述回水连接管25与所述第一自来水管20连接；所述第四单向阀24的入口与所述热水出水管26连通，所述第四单向阀24的出口与所述第一自来水管20连通；所述混水阀23的冷水口与所述第一自来水管20的一端连接，所述第一自来水管20的另一端与所述第二自来水管21的一端连接，所述第二自来水管21的另一端与所述冷水进水嘴5连接；所述自来水口22均与所述第一自来水管20以及所述第二自来水管21连接。
在本发明实施例中，与所述热水出水嘴6连通的所述热水出水管26通过安 装有所述第四单向阀24的所述回水连接管25与所述第一自来水管20连接，且所述第一自来水管20通过所述第二自来水管21与所述冷水进水嘴5连接，这样所述热水出水管26、所述回水连接管25、所述第一自来水管20、所述第二自来水管21、所述冷水进水嘴5、所述连接管14、回水嘴13、所述水泵进水管2、所述循环水泵1、所述水泵出水管3、所述冷水管4、所述热交换器7以及所述热水出水嘴6可以构成水循环加热管路，使得所述零冷水燃气热水器系统具有水循环加热的功能，即当设置在所述热水出水管26中的且与所述控制器9电连接的温度传感器检测到所述热水出水管26中的水温低于预设的要求时，所述控制器9就会控制所述循环水泵1的启动，使得所述热水出水管26中的水不断通过回水连接管25、所述第一自来水管20、所述第二自来水管21、所述冷水进水嘴5、所述连接管14、回水嘴13、所述水泵进水管2、所述循环水泵1、所述水泵出水管3、所述冷水管4进入到所述热交换器7进行加热，并在加热后从所述热水出水嘴6流出，从而实现热水出水管26中的水的循环加热。而当用户需要用水时，这时无论所述循环水泵1是否工作，所述冷水进水嘴5会有水流进并经过所述冷水管4到达所述热交换器7进行加热并在加热后从所述热水出水嘴6流出，从而使得所述冷水管4有水流动，这时所述第二水流量传感器就会产生水流信号，并且所述控制器9根据该水流信号判断出用户正在用水，然后所述控制器9让所述循环水泵1停止工作，并且所述控制器9根据所述第一水流量传感器10与所述第二水流量传感器11的水流信号计算出所述零冷水燃气热水器的总水流量，然后所述控制器9根据所述总水流量控制所述零冷水燃气热水器的加热工作，使得用户可以正常用水，克服了因为单流量传感器控制程序复杂而使得程序运算容易出错所导致零冷水燃气热水器工作不稳定的问题，因此本发明具有良好的用户体验；并且因为通过所述第二水流量传感器11判断出用户正在用水时就让所述循环水泵1停止工作，可以节约电能以及延长所述循环水泵1的使用寿命。
需要说明的是，请参阅图5，本实施例的所述零冷水燃气热水器系统中的所 述连接管可以去除，这时，所述第二自来水管21可以直接与所述回水嘴13连接(即所述第二自来水管21不再与所述冷水进水嘴5连接)；这样所述热水出水管26、所述回水连接管25、所述第一自来水管20、所述第二自来水管21、所述回水嘴13、所述水泵进水管2、所述循环水泵1、所述水泵出水管3、所述冷水管4、所述热交换器7以及所述热水出水嘴6可以构成水循环加热管路，使得所述零冷水燃气热水器系统具有水循环加热的功能，即当设置在所述热水出水管26中的且与所述控制器9电连接的温度传感器检测到所述热水出水管26中的水温低于预设的要求时，所述控制器9就会控制所述循环水泵1的启动，使得所述热水出水管26中的水不断通过回水连接管25、所述第一自来水管20、所述第二自来水管21、所述回水嘴13、所述水泵进水管2、所述循环水泵1、所述水泵出水管3、所述冷水管4进入到所述热交换器7进行加热，并在加热后从所述热水出水嘴6流出，从而实现所述热水出水管26中的水的循环加热。在所述热水出水管26中的水实现循环加热后，当用户在用水点打开所述混水阀23时，用水点会首先流出经过加热的水，而且这时所述自来水口22中的自来水还会通过所述第二自来水管21、所述回水嘴13、所述水泵进水管2、所述循环水泵1、所述水泵出水管3、所述冷水管4进入到所述热交换器7进行加热，并在加热后从所述热水出水嘴6流入到所述热水出水管26中，然后再通过与所述热水出水管26连接的用水点流出，从而实现热水的不断供应。因此本实施例可以实现燃气热水器零冷水的功能，克服了因为所述热水出水管26中的水不能预先加热而导致在用户使用的过程中首先流出温度达不到洗浴要求的自来水的缺点，从而提高了用户的洗浴体验。
本发明另一方面又提供了一种零冷水燃气热水器系统，请参阅图6，包括第一自来水管20、第二自来水管21、自来水口22、至少一个连接用水点的混水阀23、回水连接管25、热水出水管以及如第一种优选实施例所述的零冷水燃气热水器；所述混水阀23的热水口通过所述热水出水管与所述热水出水嘴6连通，所述热水出水管通过所述回水连接管25与所述回水嘴13连接；所述混水阀23的冷水口与所述第一自来水管20的一端连接，所述第一自来水管20的另一端 与所述自来水口22连通，所述第二自来水管21的一端与所述冷水进水嘴5连接，所述第二自来水管21的另一端与所述自来水口22连通。
在本发明实施例中，与所述热水出水嘴6连通的所述热水出水管通过所述回水连接管25与所述回水嘴13连接，这样所述热水出水管、所述回水连接管25、所述回水嘴13、所述水泵进水管2、所述循环水泵1、所述水泵出水管3、所述冷水管4、所述热交换器7以及所述热水出水嘴6可以构成水循环加热管路，使得所述零冷水燃气热水器系统具有水循环加热的功能，即当设置在所述热水出水管26中的且与所述控制器9电连接的温度传感器检测到所述热水出水管26中的水温低于预设的要求时，所述控制器9就会控制所述循环水泵1的启动，使得所述热水出水管26中的水不断通过回水连接管25、回水嘴13、所述水泵进水管2、所述循环水泵1、所述水泵出水管3、所述冷水管4进入到所述热交换器7进行加热，并在加热后从所述热水出水嘴6流出，从而实现热水出水管26中的水的循环加热。而当用户需要用水时，这时无论所述循环水泵1是否工作，所述冷水进水嘴5会有水流进并经过所述冷水管4到达所述热交换器7进行加热并在加热后从所述热水出水嘴6流出，从而使得所述冷水管4有水流动，这时所述第二水流量传感器就会产生水流信号，并且所述控制器9根据该水流信号判断出用户正在用水，然后所述控制器9让所述循环水泵1停止工作，并且所述控制器9根据所述第一水流量传感器10与所述第二水流量传感器11的水流信号计算出所述零冷水燃气热水器的总水流量，然后所述控制器9根据所述总水流量控制所述零冷水燃气热水器的加热工作，使得用户可以正常用水，克服了因为单流量传感器控制程序复杂而使得程序运算容易出错所导致零冷水燃气热水器工作不稳定的问题，因此本发明具有良好的用户体验；并且因为通过所述第二水流量传感器11判断出用户正在用水时就让所述循环水泵1停止工作，可以节约电能以及延长所述循环水泵1的使用寿命。
本发明另一方面又提供了一种零冷水燃气热水器系统，请参阅图7，包括第一自来水管20、第二自来水管21、自来水口22、至少一个连接用水点的混水阀 23、第四单向阀24、回水连接管25、热水出水管以及如第二种优选实施例所述的零冷水燃气热水器；所述混水阀23的热水口通过所述热水出水管与所述热水出水嘴6连通，所述热水出水管通过安装有所述第四单向阀24的所述回水连接管25与所述第一自来水管20连接；所述第四单向阀24的入口与所述热水出水管26连通，所述第四单向阀24的出口与所述第一自来水管20连通；所述混水阀23的冷水口与所述第一自来水管20的一端连接，所述第一自来水管20的另一端与所述第二自来水管21的一端连接，所述第二自来水管21的另一端与所述冷水进水嘴5连接；所述自来水口22均与所述第一自来水管20以及所述第二自来水管21连接。
在本发明实施例中，与所述热水出水嘴6连通的所述热水出水管通过安装有所述第四单向阀24的所述回水连接管25与所述第一自来水管20连接，与所述第一自来水管20连接的所述第二自来水管21的另一端与所述冷水进水嘴5连接；这样当所述水泵进水管2是通过与所述冷水管4连接的所述冷水进水嘴5来与所述热水出水嘴6连通时，所述热水出水管、所述回水连接管25、所述第一自来水管20、所述第二自来水管21、所述冷水进水嘴5、所述水泵进水管2、所述循环水泵1、所述水泵出水管3、所述冷水管4、所述热交换器7以及所述热水出水嘴6可以构成水循环加热管路，使得所述零冷水燃气热水器系统具有水循环加热的功能，即当设置在所述热水出水管26中的且与所述控制器9电连接的温度传感器检测到所述热水出水管26中的水温低于预设的要求时，所述控制器9就会控制所述循环水泵1的启动，使得所述热水出水管26中的水不断通过回水连接管25、所述第一自来水管20、所述第二自来水管21、所述冷水进水嘴5、所述水泵进水管2、所述循环水泵1、所述水泵出水管3、所述冷水管4进入到所述热交换器7进行加热，并在加热后从所述热水出水嘴6流出，从而实现热水出水管26中的水的循环加热。而当用户需要用水时，这时无论所述循环水泵1是否工作，所述冷水进水嘴5会有水流进并经过所述冷水管4到达所述热交换器7进行加热并在加热后从所述热水出水嘴6流出，从而使得所述冷 水管4有水流动，这时所述第二水流量传感器就会产生水流信号，并且所述控制器9根据该水流信号判断出用户正在用水，然后所述控制器9让所述循环水泵1停止工作，并且所述控制器9根据所述第一水流量传感器10与所述第二水流量传感器11的水流信号计算出所述零冷水燃气热水器的总水流量，然后所述控制器9根据所述总水流量控制所述零冷水燃气热水器的加热工作，使得用户可以正常用水，克服了因为单流量传感器控制程序复杂而使得程序运算容易出错所导致零冷水燃气热水器工作不稳定的问题，因此本发明具有良好的用户体验；并且因为通过所述第二水流量传感器11判断出用户正在用水时就让所述循环水泵1停止工作，可以节约电能以及延长所述循环水泵1的使用寿命。
本发明另一方面还提供了一种零冷水燃气热水器系统，请参阅图8，包括第一自来水管20、第二自来水管21、自来水口22、至少一个连接用水点的混水阀23、回水连接管25、热水出水管以及如第三种优选实施例所述的零冷水燃气热水器；所述混水阀23的热水口通过所述热水出水管与所述热水出水嘴6连通，所述热水出水管通过所述回水连接管25与所述回水嘴13连接；所述混水阀23的冷水口与所述第一自来水管20的一端连接，所述第一自来水管20的另一端与所述自来水口22连通，所述第二自来水管21的一端与所述冷水进水嘴5连接，所述第二自来水管21的另一端与所述自来水口22连通。
在本发明实施例中，与所述热水出水嘴6连通的所述热水出水管通过所述回水连接管25与所述回水嘴13连接，这样所述热水出水管、所述回水连接管25、所述回水嘴13、所述连接管14、所述水泵进水管2、所述循环水泵1、所述水泵出水管3、所述冷水管4、所述热交换器7以及所述热水出水嘴6可以构成水循环加热管路，使得所述零冷水燃气热水器系统具有水循环加热的功能，即当设置在所述热水出水管26中的且与所述控制器9电连接的温度传感器检测到所述热水出水管26中的水温低于预设的要求时，所述控制器9就会控制所述循环水泵的启动，使得所述热水出水管26中的水不断通过回水连接管25、回水嘴13、所述连接管14、所述水泵进水管2、所述循环水泵1、所述水泵出水管3、 所述冷水管4进入到所述热交换器7进行加热，并在加热后从所述热水出水嘴6流出，从而实现热水出水管26中的水的循环加热。而当用户需要用水时，这时无论所述循环水泵1是否工作，所述冷水进水嘴5会有水流进并经过所述冷水管4到达所述热交换器7进行加热并在加热后从所述热水出水嘴6流出，从而使得所述冷水管4有水流动，这时所述第二水流量传感器就会产生水流信号，并且所述控制器9根据该水流信号判断出用户正在用水，然后所述控制器9让所述循环水泵1停止工作，并且所述控制器9根据所述第一水流量传感器10与所述第二水流量传感器11的水流信号计算出所述零冷水燃气热水器的总水流量，然后所述控制器9根据所述总水流量控制所述零冷水燃气热水器的加热工作，使得用户可以正常用水，克服了因为单流量传感器控制程序复杂而使得程序运算容易出错所导致零冷水燃气热水器工作不稳定的问题，因此本发明具有良好的用户体验；并且因为通过所述第二水流量传感器11判断出用户正在用水时就让所述循环水泵1停止工作，可以节约电能以及延长所述循环水泵1的使用寿命。
在本发明实施例中，需要说明的是，所述第一单向阀8、第二单向阀15、第三单向阀30以及第四单向阀24均可以为一个或者是多个，在此不做具体限定。所述水泵出水管3可以通过三通接头与所述冷水管4连接，所述水泵出水管3与所述冷水管4也可以是一体成型连接，在此也不做具体限定。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本领域技术的技术人员在本发明公开的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以所述权利要求的保护范围为准。

Claims (10)

  1. 一种零冷水燃气热水器，包括循环水泵、水泵进水管、水泵出水管、冷水管、冷水进水嘴、热水出水嘴、热交换器以及控制器，其特征在于，还包括第一水流量传感器以及第二水流量传感器；
    所述冷水管与所述冷水进水嘴连接，且所述冷水管与所述热交换器的进水端连接；所述热交换器的出水端与所述热水出水嘴连通；
    所述水泵进水管的第一端用于与所述热水出水嘴连通，所述水泵进水管的第二端与所述循环水泵的进水端连接；
    所述水泵出水管的第一端与所述循环水泵的出水端连接，且所述水泵出水管的第二端与所述冷水管连接形成第一水管节点；所述第一水流量传感器安装于所述水泵进水管处或所述水泵出水管处，所述第二水流量传感器与所述第一单向阀均安装于所述第一水管节点与所述冷水进水嘴之间的一段冷水管处；所述第一单向阀的入口与所述冷水进水嘴连通，所述第一单向阀的出口与所述第一水管节点连通；
    所述循环水泵、所述第一水流量传感器与所述第二水流量传感器均与所述控制器电连接。
  2. 根据权利要求1所述的零冷水燃气热水器，其特征在于，还包括用于与所述热水出水嘴连通的回水嘴，所述回水嘴与所述水泵进水管的第一端连接。
  3. 根据权利要求1所述的零冷水燃气热水器，其特征在于，所述水泵进水管的第一端与所述冷水管连接以形成第二水管节点，所述第二水管节点位于所述冷水进水嘴与所述第一水管节点之间的一段冷水管处；所述第二水流量传感器与所述第一单向阀具体是均安装于位于所述第一水管节点与所述第二水管节点之间的一段冷水管处。
  4. 根据权利要求3所述的零冷水燃气热水器，其特征在于，还包括连接管、安装于所述连接管处的第二单向阀以及用于与所述热水出水嘴连通的回水嘴，所述回水嘴通过所述连接管和位于所述第二水管节点与所述冷水进水嘴之间的 一段冷水管连接；所述第二单向阀的入口与所述回水嘴连通，所述第二单向阀的出口与所述冷水进水嘴连通。
  5. 根据权利要求1所述的零冷水燃气热水器，其特征在于，还包括第三单向阀；所述第三单向阀安装在所述水泵出水管处，且所述第三单向阀的入口与所述水泵出水管的第一端连通，所述第三单向阀的出口与所述水泵出水管的第二端连通；或者，
    所述第三单向阀安装在所述水泵进水管处，且所述第三单向阀的入口与所述水泵进水管的第一端连通，所述第三单向阀的出口与所述水泵进水管的第二端连通。
  6. 根据权利要求1～5任一项所述的燃气热水器，其特征在于，还包括热水储水箱，所述热水储水箱的进水端与所述热交换器的出水端连通，所述热水储水箱的出水端与所述热水出水嘴连通。
  7. 一种零冷水燃气热水器系统，其特征在于，包括第一自来水管、第二自来水管、自来水口、至少一个连接用水点的混水阀、第四单向阀、回水连接管、热水出水管、连接管以及如权利要求2所述的零冷水燃气热水器；所述回水嘴通过所述连接管与所述冷水进水嘴连接；
    所述混水阀的热水口通过所述热水出水管与所述热水出水嘴连通，所述热水出水管通过安装有所述第四单向阀的所述回水连接管与所述第一自来水管连接；所述第四单向阀的入口与所述热水出水管连通，所述第四单向阀的出口与所述第一自来水管连通；
    所述混水阀的冷水口与所述第一自来水管的一端连接，所述第一自来水管的另一端与所述第二自来水管的一端连接，所述第二自来水管的另一端与所述冷水进水嘴连接；所述自来水口均与所述第一自来水管以及所述第二自来水管连接。
  8. 一种零冷水燃气热水器系统，其特征在于，包括第一自来水管、第二自来水管、自来水口、至少一个连接用水点的混水阀、回水连接管、热水出水管以及如权利要求2所述的零冷水燃气热水器；
    所述混水阀的热水口通过所述热水出水管与所述热水出水嘴连通，所述热水出水管通过所述回水连接管与所述回水嘴连接；
    所述混水阀的冷水口与所述第一自来水管的一端连接，所述第一自来水管的另一端与所述自来水口连通，所述第二自来水管的一端与所述冷水进水嘴连接，所述第二自来水管的另一端与所述自来水口连通。
  9. 一种零冷水燃气热水器系统，其特征在于，包括第一自来水管、第二自来水管、自来水口、至少一个连接用水点的混水阀、第四单向阀、回水连接管、热水出水管以及如权利要求3所述的零冷水燃气热水器；
    所述混水阀的热水口通过所述热水出水管与所述热水出水嘴连通，所述热水出水管通过安装有所述第四单向阀的所述回水连接管与所述第一自来水管连接；所述第四单向阀的入口与所述热水出水管连通，所述第四单向阀的出口与所述第一自来水管连通；
    所述混水阀的冷水口与所述第一自来水管的一端连接，所述第一自来水管的另一端与所述第二自来水管的一端连接，所述第二自来水管的另一端与所述冷水进水嘴连接；所述自来水口均与所述第一自来水管以及所述第二自来水管连接。
  10. 一种零冷水燃气热水器系统，其特征在于，包括第一自来水管、第二自来水管、自来水口、至少一个连接用水点的混水阀、回水连接管、热水出水管以及如权利要求4所述的零冷水燃气热水器；
    所述混水阀的热水口通过所述热水出水管与所述热水出水嘴连通，所述热水出水管通过所述回水连接管与所述回水嘴连接；
    所述混水阀的冷水口与所述第一自来水管的一端连接，所述第一自来水管的另一端与所述自来水口连通，所述第二自来水管的一端与所述冷水进水嘴连接，所述第二自来水管的另一端与所述自来水口连通。
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Publication number Priority date Publication date Assignee Title
CN109612118A (zh) * 2018-12-17 2019-04-12 成都前锋电子有限责任公司 一种带有电磁阀的无线遥控型零冷水燃气壁挂炉供热系统
CN109612079A (zh) * 2018-12-04 2019-04-12 上海工业自动化仪表研究院有限公司 节水型燃气热水器装置
CN110094873A (zh) * 2019-06-10 2019-08-06 中燃宝电气（深圳）有限公司 一种新型零冷水燃气热水器
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CN108195059A (zh) * 2017-12-29 2018-06-22 Tcl家用电器（中山）有限公司 零冷水燃气热水器、系统及防干烧方法
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CN113280515A (zh) * 2021-05-31 2021-08-20 重庆信科蓝鸿科技有限公司 一种零冷水恒温热水智能模块及控制方法
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CN113701360B (zh) * 2021-08-31 2023-01-03 广东万和新电气股份有限公司 热水器系统的控制方法、热水器和热水器系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110030811A1 (en) * 2009-08-05 2011-02-10 Po-Hsiang Hsu Preheating backwater device
CN103712329A (zh) * 2013-12-27 2014-04-09 中山市博得电器有限公司 一种强排式预热的燃气热水器
CN204438490U (zh) * 2015-01-16 2015-07-01 芜湖美的厨卫电器制造有限公司 燃气热水器和具有它的燃电互补热水系统
CN205561221U (zh) * 2016-04-18 2016-09-07 中山市恒乐电器有限公司 一种零冷水循环式燃气热水器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206191879U (zh) * 2016-10-20 2017-05-24 广东万和新电气股份有限公司 一种零冷水燃气热水器及其系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110030811A1 (en) * 2009-08-05 2011-02-10 Po-Hsiang Hsu Preheating backwater device
CN103712329A (zh) * 2013-12-27 2014-04-09 中山市博得电器有限公司 一种强排式预热的燃气热水器
CN204438490U (zh) * 2015-01-16 2015-07-01 芜湖美的厨卫电器制造有限公司 燃气热水器和具有它的燃电互补热水系统
CN205561221U (zh) * 2016-04-18 2016-09-07 中山市恒乐电器有限公司 一种零冷水循环式燃气热水器

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CN110094873A (zh) * 2019-06-10 2019-08-06 中燃宝电气（深圳）有限公司 一种新型零冷水燃气热水器
CN111964267A (zh) * 2020-07-09 2020-11-20 华帝股份有限公司 一种热水器及其控制方法
CN111964267B (zh) * 2020-07-09 2024-02-23 华帝股份有限公司 一种热水器及其控制方法
CN114111048A (zh) * 2020-08-31 2022-03-01 芜湖美的厨卫电器制造有限公司 热交换器和热水装置
CN112484316A (zh) * 2020-12-11 2021-03-12 万家乐热能科技有限公司 具备热水增压功能的零冷水壁挂炉及控制方法
CN117433154A (zh) * 2023-11-14 2024-01-23 苏州市相城区燃气有限责任公司 一种具有热循环的燃气节能交换装置
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