CN108645011B - Full premix gas heating water heater of adjustable gas pressure and wind pressure - Google Patents
Full premix gas heating water heater of adjustable gas pressure and wind pressure Download PDFInfo
- Publication number
- CN108645011B CN108645011B CN201810683557.8A CN201810683557A CN108645011B CN 108645011 B CN108645011 B CN 108645011B CN 201810683557 A CN201810683557 A CN 201810683557A CN 108645011 B CN108645011 B CN 108645011B
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- 239000008236 heating water Substances 0.000 title claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 101
- 239000002737 fuel gas Substances 0.000 claims abstract description 18
- 239000000523 sample Substances 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 144
- 238000010438 heat treatment Methods 0.000 claims description 55
- 238000001514 detection method Methods 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 abstract description 17
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 230000002401 inhibitory effect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract 1
- 239000003570 air Substances 0.000 description 28
- 239000002912 waste gas Substances 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/107—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 using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/60—Devices for simultaneous control of gas and combustion air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
-
- 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
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2028—Continuous-flow heaters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Regulation And Control Of Combustion (AREA)
- Control Of Combustion (AREA)
Abstract
The invention discloses a full premix gas heating water heater with adjustable gas pressure and wind pressure, which comprises a shell, wherein a circuit board, a burner and a heat exchanger group are arranged in the shell; the upper end of the inner part of the burner is also provided with a flame probe, the upper end of the burner is connected with an exhaust gas outlet, the lower end of the burner is provided with a mixing device, the mixing device is connected with the burner, a fan, an air inlet pipe, a proportional valve and a gas pressure sensing device, and the air inlet pipe is also provided with a wind pressure sensing device. According to the invention, through monitoring the air inlet pressure and the secondary pressure signal of the fuel gas at the outlet side of the proportional valve in real time and feeding back the circuit board in real time, the air inlet quantity of the fan is regulated, and the fuel gas flow of the proportional valve is regulated, so that the normal combustion working condition is maintained, the self-adaptive function of inhibiting the pressure fluctuation of the environmental fuel gas is achieved, the combustion state is stabilized in real time, the low waste emission is maintained, the quality of the environmental air is ensured, and the reliability of the product is improved.
Description
Technical Field
The invention relates to a water heater, in particular to a full premix gas heating water heater with adjustable gas pressure and wind pressure.
Background
At present, a plurality of domestic or foreign imported full premix gas heating furnaces exist in the heating furnace market, and a wind pressure sensing device and a gas pressure sensing device are not generally arranged on the structural design of the full premix gas heating furnaces. Therefore, after the installation of a large number of users, the problems of excessive fluctuation of wind pressure and gas pressure, seasonal fluctuation of gas components, blockage on a gas pipeline and the like exist in the use environment, and the problems of matching deviation of the air-fuel ratio of a combustion system, abnormal combustion working conditions, influence on combustion efficiency, excessive discharge of waste gas, pollution to the environment air and the like are caused.
Disclosure of Invention
The invention mainly aims to detect the air inlet pressure of the gas heating furnace and the secondary pressure of the gas at the outlet side of the proportional valve, adjust the air inlet quantity by the fan, adjust the secondary pressure of the gas by the proportional valve, ensure the normal operation of the combustion working condition, improve the combustion efficiency, and avoid the serious problems of exceeding standard discharge of waste gas, even causing pollution to the environment air and the like.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the full premix gas heating water heater comprises a shell, wherein the upper part in the shell is provided with a heat exchanger group and a burner, and the burner is arranged in the center of the heat exchanger group; the upper end of the inner part of the burner is also provided with a flame probe, the upper end of the heat exchanger group is connected with an exhaust gas outlet positioned at the top of the shell, and the lower end of the burner is connected with the fan through an inlet conveying pipe; the air inlet end of the fan is provided with a mixing device, and an inlet conveying pipe 7 is connected with the burner 5; the left end of the mixing device is connected with an air inlet pipe, the lower end of the mixing device is connected with an outlet of the gas proportional valve through a gas pipeline, a gas pressure sensing device is arranged on the gas pipeline, an air inlet of the gas pressure sensing device is suspended and connected with air, and a detection gas inlet of the gas pressure sensing device is connected with an outlet of the proportional valve; the air inlet pipe is connected with an atmosphere inlet at the top of the shell, and a wind pressure sensing device is also connected to the air inlet pipe; the inlet of the proportional valve is connected with a fuel gas inlet positioned at the bottom of the shell through a fuel gas pipeline, and the proportional valve further comprises a circuit board, wherein the circuit board is electrically connected with a flame probe, a fuel gas pressure sensing device, a wind pressure sensing device, a burner, a fan and the proportional valve, and the proportional valve further comprises a heating hot water output pipeline, a heating return water pipeline and a sanitary water device.
The gas pressure sensing device is used for detecting a gas pressure value of an outlet of the proportional valve, converting the gas pressure value into an electric signal and transmitting the electric signal to the circuit board, a detection gas inlet is formed in the bottom of the gas pressure sensing device, an air inlet is formed in the side face of the gas pressure sensing device, a pressure sensing module is arranged in the gas pressure sensing device, a piezoelectric chip and a circuit board are arranged in the pressure sensing module, and a connector socket used for being connected with the circuit board is arranged on a cover plate positioned at the top of the gas pressure sensing device; the inside of the wind pressure sensing device is provided with a compression film and a displacement sensing chip, and the wind pressure sensing device is used for detecting wind pressure in the air inlet pipe and converting the wind pressure into a frequency signal, and then the frequency signal is transmitted to the circuit board.
The heat exchanger group is composed of spiral annular coils, the heat exchanger group is wrapped outside the burner, gaps are arranged among the annular coils, a condensate water pipeline and a heating hot water pipeline are connected to the left side of the lower end of the heat exchanger group, and a return pipe is connected to the rear side of the lower end of the heat exchanger group.
The device comprises a shell, a heat exchanger group, a condensate water collecting device, a condensate water collecting box, a condensate water pipeline, a constant suction pipe and a condensate water outlet, wherein the condensate water collecting device comprises the condensate water collecting box, the condensate water pipeline, the constant suction pipe and the condensate water outlet, the condensate water collecting box is positioned at the upper end of the heat exchanger group, the condensate water collecting box is connected with the heat exchanger group and the constant suction pipe through the condensate water pipeline, and the constant suction pipe is connected with the condensate water outlet positioned at the bottom of the shell.
The heating hot water output pipeline comprises a heating hot water pipe, a three-way valve and a heating hot water outlet, wherein the three-way valve is arranged at the lower part in the shell, the heating hot water outlet is arranged at the bottom of the shell, and the three-way valve is respectively connected with the heat exchanger group and the heating hot water outlet through the heating hot water pipe.
The heating return water pipeline comprises a heating return water inlet, a return water pipe and a water pump, wherein the heating return water inlet is connected with the water pump in series through the return water pipe and then connected with the heat exchanger group.
The sanitary water device comprises a plate heat exchanger, a sanitary water outlet and a sanitary water inlet, wherein the plate heat exchanger is respectively connected with the three-way valve, the sanitary water outlet, the sanitary water inlet and the water return pipe.
The heating water heater further comprises a bypass pipe, wherein the bypass pipe is positioned above the plate type heat exchanger, one end of the bypass pipe is connected with a heating hot water pipe, the connecting position of the bypass pipe is positioned between the heat exchanger group and the three-way valve, the other end of the bypass pipe is connected with a water return pipe, and the connecting position of the bypass pipe is positioned between the water pump and the heating water return inlet.
The upper right side in the shell is also provided with an expansion water tank, the lower end of the expansion water tank is connected with a return water pipe, and the joint of the expansion water tank is positioned between the water pump and the heating return water inlet and above the bypass pipe.
The outer side of the right part of the shell is also provided with an outdoor temperature sensing device, and the outdoor temperature sensing device is electrically connected with the circuit board.
The invention has the beneficial effects that: according to the invention, the air inlet pressure and the secondary pressure of the fuel gas at the outlet side of the proportional valve are monitored in real time, the air inlet quantity is regulated by the fan, the secondary pressure of the fuel gas is regulated by the proportional valve, the normal combustion working condition is ensured, the self-adaptive function of inhibiting the pressure fluctuation of the environmental fuel gas is achieved, the combustion state is stabilized in real time, the combustion efficiency is improved, the low waste emission is maintained, the quality of the environmental air is ensured, and the reliability of the product is improved.
Drawings
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of the adaptive control principle of the present invention.
Fig. 3 is a schematic view of the structure of the gas pressure sensor of the present invention.
Fig. 4 is a flow chart of the adaptive control of the present invention.
Fig. 5 is a table showing an adaptive control example of the present invention.
Figure details: an atmospheric inlet 1, an exhaust gas outlet 2, a condensate water collecting box 3, a heat exchanger group 4, a burner 5, an expansion tank 6, an inlet delivery pipe 7, a fan 8, an outdoor temperature sensing device 9, a water pump 10, a circuit board 11, a return pipe 12, a plate heat exchanger 13, a heating return water inlet 14, a sanitary water inlet 15, a gas inlet 16, a sanitary water outlet 17, a heating hot water outlet 18, a condensate water outlet 19, a three-way valve 20, a constant suction pipe 21, a bypass pipe 22, a heating hot water pipe 23, a wind pressure sensing device 24, a proportional valve 25, a gas pressure sensing device 26, a mixing device 27, an intake pipe 28, a condensate water pipe 29, an air inlet 2601, a detection gas inlet 2602, and a connector socket 2603.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects obtained by the invention easy to understand, the following describes the specific embodiment of the invention with reference to the specific drawings.
1-5, a full premix gas heating water heater with adjustable gas pressure comprises a shell, wherein a combustor 5 and a heat exchanger group 4 are arranged at the upper part in the shell; the burner 5 is arranged at the center of the heat exchanger group 4; the upper end of the inside of the burner 5 is also provided with a flame probe, the upper end of the burner 5 is connected with the waste gas outlet 2 positioned at the top of the shell, and the lower end of the burner 5 is connected with the fan 8 through the inlet conveying pipe 7; the air inlet end of the fan 8 is provided with a mixing device 27, and the inlet conveying pipe 7 is connected with the burner 5; the left end of the mixing device 27 is connected with an air inlet pipe 27, the lower end of the mixing device 27 is connected with an outlet of the proportional valve 25 through a gas pipeline, a gas pressure sensing device 26 is arranged on the gas pipeline, an air inlet 2601 of the gas pressure sensing device 26 is suspended and connected with air, and a detection gas inlet 2602 of the gas pressure sensing device 26 is connected with an outlet of the proportional valve 25; the air inlet pipe 28 is connected with the atmosphere inlet 1 at the top of the shell, and the air pressure sensing device 24 is also connected to the air inlet pipe 28; the inlet of the proportional valve 25 is connected with the gas inlet 16 at the bottom of the shell through a gas pipeline, and the proportional valve further comprises a circuit board 11, wherein the circuit board 11 is electrically connected with a flame probe, a gas pressure sensing device 26, a wind pressure sensing device 24, a burner 5, a fan 8 and the proportional valve 25, and the proportional valve further comprises a heating hot water output pipeline, a heating return water pipeline and a sanitary water device.
The gas pressure sensing device 26 is used for detecting a gas pressure value at an outlet of the proportional valve 25, converting the gas pressure value into an electric signal and transmitting the electric signal to the circuit board 11, specifically, a detection gas inlet 2602 is arranged at the bottom of the gas pressure sensing device 26, an air inlet 2601 is arranged on the side surface of the gas pressure sensing device 26, a pressure sensing module is arranged inside the gas pressure sensing device 26, a piezoelectric chip and a circuit board are arranged inside the pressure sensing module, and a connector socket 2603 used for being connected with the circuit board 11 is arranged on a cover plate positioned at the top of the gas pressure sensing device 26; the frequency signal of a corresponding pressure is outputted through the conversion of the built-in circuit, and the frequency signal is inputted into the MCU of the circuit board 11 and compared with the signal programmed internally.
The wind pressure sensing device 24 is provided with a compression film and a displacement sensing chip, and the wind pressure sensing device 24 is used for detecting wind pressure in the air inlet pipe 28, converting the wind pressure into a frequency signal, and transmitting the frequency signal to the circuit board 11.
The heat exchanger group 4 is formed by spiral annular coils, the heat exchanger group 4 is wrapped outside the burner 5, gaps are arranged among the annular coils, the left side of the lower end of the heat exchanger group 4 is connected with a condensate pipe 29 and a heating hot water pipe 23, and the rear side of the lower end of the heat exchanger group 4 is connected with a return pipe 12.
Wherein the device also comprises a condensed water collecting device, the condensed water collecting device comprises a condensed water collecting box 3, a condensed water pipe 29, a constant suction pipe 21 and a condensed water outlet 19, the condensed water collecting box 3 is positioned at the upper end of the heat exchanger group 4, the condensed water collecting box 3 is connected with the heat exchanger group 4 and the constant suction pipe 21 through a condensed water pipe 29, and the constant suction pipe 21 is connected with a condensed water outlet 19 positioned at the bottom of the shell.
The heating hot water output pipeline comprises a heating hot water pipe 23, a three-way valve 20 and a heating hot water outlet 18, wherein the three-way valve 20 is positioned at the lower part in the shell, the heating hot water outlet 18 is arranged at the bottom of the shell, and the three-way valve 20 is respectively connected with the heat exchanger group 4 and the heating hot water outlet 18 through the heating hot water pipe 23.
The heating return water pipeline comprises a heating return water inlet 14, a return water pipe 12 and a water pump 10, wherein the heating return water inlet 14 is connected with the water pump 10 in series through the return water pipe 12 and then is connected with the heat exchanger group 4.
The sanitary water device comprises a plate heat exchanger 13, a sanitary water outlet 17 and a sanitary water inlet 15, wherein the plate heat exchanger 13 is respectively connected with a three-way valve 20, the sanitary water outlet 17, the sanitary water inlet 15 and a water return pipe 12.
The heating water heater further comprises a bypass pipe 22, wherein the bypass pipe 22 is positioned above the plate type heat exchanger 13, one end of the bypass pipe 22 is connected with a heating hot water pipe 23, the connecting position of the bypass pipe 22 is positioned between the heat exchanger group 4 and the three-way valve 20, the other end of the bypass pipe 22 is connected with the water return pipe 12, and the connecting position of the bypass pipe 22 is positioned between the water pump 10 and the heating water return inlet 14.
The upper right part in the shell is also provided with an expansion water tank 6, the lower end of the expansion water tank 6 is connected with a return water pipe 12, and the connection part of the expansion water tank 6 is positioned between the water pump 10 and the heating return water inlet 14 and above the bypass pipe 22.
The outer side of the right part of the shell is also provided with an outdoor temperature sensing device 9, and the outdoor temperature sensing device is electrically connected with a circuit board 11.
The purpose of the bypass pipe 22 is to prevent the heating hot water from being burned out and effectively protect the water heater when the hot water on the heating hot water pipe 23 flows to the external floor heating system or the pipeline of the fin heating system loop is blocked or the like and the heating hot water flows back to the water return pipe 12 side through the bypass pipe 22.
Specifically, the main working principle of the wind pressure sensing device and the gas pressure sensing device is as follows:
the wind pressure sensing device is arranged on the wind inlet pipe, a wind pressure signal is transmitted to a diaphragm inside the wind pressure sensing device, so that the diaphragm generates micro displacement in direct proportion to air pressure, the resistance in the sensing device changes, and an electric signal with corresponding pressure is output through circuit conversion. The electrical signal is simultaneously input to the MCU of the circuit board for comparison with the internally programmed pressure signal. Simultaneously, the gas pressure sensing device is fixed on a gas pipeline at the outlet side of the proportional valve, and is provided with two gas introduction ports, one gas introduction port is communicated with secondary pressure gas, the gas pressure is directly transmitted to an internal die, and the other hole is directly introduced into atmospheric pressure, so that a differential pressure system is formed, and a pressure signal of the secondary pressure of the gas is detected. The pressure signal directly acts on the diaphragm inside the sensor, so that the diaphragm generates an electric signal which is in direct proportion to the gas pressure and is transmitted to the MCU on the circuit board.
The MCU receives signals of the wind pressure sensing device and the gas pressure sensing device simultaneously, compares the signals with the wind pressure signal and the gas pressure signal which are programmed in the MCU, adjusts the output of the proportional valve and the revolution of the fan through an algorithm, ensures the control function of realizing constant pressure and constant gas flow in real time, achieves the self-adaptive function of restraining the fluctuation of ambient gas pressure or the fluctuation of gas components or the fluctuation of secondary gas pressure generated by the fluctuation of wind pressure, stabilizes the combustion system in real time, ensures the stability of heating water temperature, maintains high-efficiency operation, ensures the emission of waste gases such as CO, NOx and the like to meet safety indexes, ensures the quality of ambient air and improves the reliability of products.
Specifically, the heating water heater is also provided with a flame probe, the flame current is detected through a flame detection circuit of the circuit board 11, and whether the combustion working condition accords with a good combustion range is judged through calculation of the flame current value.
The circuit board 11 is provided with an MCU, and the offset of the fuel gas pressure at the output side of the proportional valve 25 is obtained by comparing and calculating the fuel gas pressure signal at the output side of the proportional valve 25 and the flame current signal, and then the opening of the proportional valve is output and adjusted, so that the combustion system is in a good air ratio range in real time, the self-adaptive function of restraining the fluctuation of the fuel gas pressure or the ambient wind pressure is achieved, the air ratio set by the combustion system is stabilized in real time, the good combustion working condition is maintained in real time, the emission of waste gas is low, the ambient air quality is ensured, and the reliability of the product is improved.
The self-adaptive system formed by the gas pressure sensing device and the flame current detection solves the problems that abnormal combustion is caused by secondary side pressure change of the heating stove due to primary side pressure change of environmental gas, performance and stability of products are affected, reliability is high, and the like.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (8)
1. A full premix gas heating water heater of adjustable gas pressure and wind pressure, its characterized in that: the device comprises a shell, wherein the upper part in the shell is provided with a heat exchanger group and a burner, and the burner is arranged in the center of the heat exchanger group; the upper end of the inner part of the burner is also provided with a flame probe, the upper end of the heat exchanger group is connected with an exhaust gas outlet positioned at the top of the shell, and the lower end of the burner is connected with the fan through an inlet conveying pipe; the air inlet end of the fan is provided with a mixing device, and the inlet conveying pipe is connected with the burner; the left end of the mixing device is connected with an air inlet pipe, the lower end of the mixing device is connected with an outlet of the gas proportional valve through a gas pipeline, a gas pressure sensing device is arranged on the gas pipeline, an air inlet of the gas pressure sensing device is suspended and connected with air, and a detection gas inlet of the gas pressure sensing device is connected with an outlet of the proportional valve; the air inlet pipe is connected with an atmosphere inlet at the top of the shell, and a wind pressure sensing device is also connected to the air inlet pipe; the inlet of the proportional valve is connected with a fuel gas inlet positioned at the bottom of the shell through a fuel gas pipeline, and the proportional valve further comprises a circuit board, wherein the circuit board is electrically connected with a flame probe, a fuel gas pressure sensing device, a wind pressure sensing device, a burner, a fan and the proportional valve, and the proportional valve further comprises a heating hot water output pipeline, a heating return water pipeline and a sanitary water device; the gas pressure sensing device is used for detecting the gas pressure value of the outlet of the proportional valve, converting the gas pressure value into an electric signal and transmitting the electric signal to the circuit board, a detection gas inlet is formed in the bottom of the gas pressure sensing device, an air inlet is formed in the side face of the gas pressure sensing device, a pressure sensing module is arranged in the gas pressure sensing device, a piezoelectric chip and a circuit board are arranged in the pressure sensing module, and a connector socket used for being connected with the circuit board is arranged on a cover plate positioned at the top of the gas pressure sensing device; the wind pressure sensing device is used for detecting wind pressure in the air inlet pipe, converting the wind pressure into a frequency signal and then transmitting the frequency signal to the circuit board;
the air pressure sensing device and the fuel gas pressure sensing device monitor the air pressure of the air inlet and the secondary pressure of the fuel gas at the outlet side of the proportional valve in real time, the air inlet quantity is regulated by the fan, and the secondary pressure of the fuel gas is regulated by the proportional valve;
the full-premix gas heating water heater further comprises a condensate water collecting device, wherein the condensate water collecting device comprises a condensate water collecting box, a condensate water pipeline, a constant suction pipe and a condensate water outlet, the condensate water collecting box is located at the upper end of the heat exchanger group, the condensate water collecting box is connected with the heat exchanger group and the constant suction pipe through the condensate water pipeline, and the constant suction pipe is connected with the condensate water outlet located at the bottom of the shell.
2. The full premix gas heating water heater of claim 1, wherein: the heat exchanger group comprises a spiral annular coil, the heat exchanger group is wrapped outside the burner, a gap is arranged between the annular coils, a condensate water pipeline and a heating hot water pipeline are connected to the left side of the lower end of the heat exchanger group, and a return pipe is connected to the rear side of the lower end of the heat exchanger group.
3. The full premix gas heating water heater of claim 1, wherein: the heating hot water output pipeline comprises a heating hot water pipe, a three-way valve and a heating hot water outlet, wherein the three-way valve is positioned at the lower part in the shell, the bottom of the shell is provided with the heating hot water outlet, and the three-way valve is respectively connected with the heat exchanger group and the heating hot water outlet through the heating hot water pipe.
4. The full premix gas heating water heater of claim 1, wherein: the heating return water pipeline comprises a heating return water inlet, a return water pipe and a water pump, wherein the heating return water inlet is connected with the water pump in series through the return water pipe and then connected with the heat exchanger group.
5. The full premix gas heating water heater of claim 1, wherein: the sanitary water device comprises a plate heat exchanger, a sanitary water outlet and a sanitary water inlet, wherein the plate heat exchanger is respectively connected with the three-way valve, the sanitary water outlet, the sanitary water inlet and the water return pipe.
6. The full premix gas heating water heater of claim 1, wherein: the heating water heater is characterized by further comprising a bypass pipe, wherein the bypass pipe is positioned above the plate type heat exchanger, one end of the bypass pipe is connected with a heating hot water pipe, the joint of the bypass pipe is positioned between the heat exchanger group and the three-way valve, the other end of the bypass pipe is connected with a water return pipe, and the joint of the bypass pipe is positioned between the water pump and the heating water return inlet.
7. The full premix gas heating water heater of claim 1, wherein: the upper right part in the shell is also provided with an expansion water tank, the lower end of the expansion water tank is connected with a return water pipe, and the joint of the expansion water tank is positioned between the water pump and the heating return water inlet and above the bypass pipe.
8. The full premix gas heating water heater of claim 1, wherein: the outer side of the right part of the shell is also provided with an outdoor temperature sensing device, and the outdoor temperature sensing device is electrically connected with the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810683557.8A CN108645011B (en) | 2018-06-28 | 2018-06-28 | Full premix gas heating water heater of adjustable gas pressure and wind pressure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810683557.8A CN108645011B (en) | 2018-06-28 | 2018-06-28 | Full premix gas heating water heater of adjustable gas pressure and wind pressure |
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| CN108645011A CN108645011A (en) | 2018-10-12 |
| CN108645011B true CN108645011B (en) | 2023-12-19 |
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| CN201810683557.8A Active CN108645011B (en) | 2018-06-28 | 2018-06-28 | Full premix gas heating water heater of adjustable gas pressure and wind pressure |
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| CN110081607B (en) * | 2019-03-28 | 2021-01-19 | 青岛经济技术开发区海尔热水器有限公司 | Control method and control system of gas water heater and gas water heater |
| CN112524633B (en) * | 2020-11-30 | 2024-07-16 | 芜湖美的厨卫电器制造有限公司 | Water heater control method, water heater and readable storage medium |
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| KR20070033691A (en) * | 2005-09-22 | 2007-03-27 | 주식회사 경동나비엔 | Proportional gas boiler |
| CN101118127A (en) * | 2006-07-31 | 2008-02-06 | 海尔集团公司 | Full-premixing condensing type heating and hot water dual-purpose device |
| CN201352005Y (en) * | 2008-12-12 | 2009-11-25 | 广东万家乐燃气具有限公司 | Fully premixing condensation type gas water heater |
| CN201715705U (en) * | 2009-12-10 | 2011-01-19 | 广东万家乐燃气具有限公司 | Fully premixed condensing gas heating hot water furnace |
| CN206504456U (en) * | 2017-02-15 | 2017-09-19 | 中山市恒乐电器有限公司 | A kind of strong drum-type fully pre-mixing gas combustion water heater |
| CN207123068U (en) * | 2017-08-08 | 2018-03-20 | 河北凯祥采暖设备有限公司 | A kind of plate changes formula gas-heating water heater |
| CN208398363U (en) * | 2018-06-28 | 2019-01-18 | 艾沃（深圳）智能环境科技有限公司 | A kind of fully pre-mixing gas combustion water heater for heating of adjustable gas pressure and wind pressure |
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|---|---|
| CN108645011A (en) | 2018-10-12 |
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