CN111023556A - Gas water heater capable of realizing hot air circulation - Google Patents
Gas water heater capable of realizing hot air circulation Download PDFInfo
- Publication number
- CN111023556A CN111023556A CN201911140697.1A CN201911140697A CN111023556A CN 111023556 A CN111023556 A CN 111023556A CN 201911140697 A CN201911140697 A CN 201911140697A CN 111023556 A CN111023556 A CN 111023556A
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- output end
- controller
- shell
- output
- smoke tube
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/24—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers
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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
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
- F24H3/087—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
-
- 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
- F24H9/02—Casings; Cover lids; Ornamental panels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Supply (AREA)
- Control Of Combustion (AREA)
Abstract
The invention discloses a gas water heater capable of realizing hot air circulation, which comprises a shell and a controller arranged in the shell, wherein a gas proportional valve, a burner assembly, a heat exchanger, a fan assembly and a smoke tube are sequentially arranged in the shell from bottom to top, the controller is respectively connected with the gas proportional valve, the burner assembly and the fan assembly, the smoke tube is provided with an exhaust output end and a heat circulation output end, the exhaust output end of the smoke tube is communicated with the outside, the heat circulation output end of the smoke tube is provided with a heat circulation device which is connected with the controller and used for heating air and conveying the heated air to the shell, and an output end switching device connected with the controller is arranged between the two output ends of the smoke tube, so that the problems of resonant squeaking, freezing of a water pipe and the like are effectively solved.
Description
[ technical field ]
The invention relates to a gas water heater capable of realizing hot air circulation.
[ background art ]
At present, in a common gas water heater in the market, in a low temperature range of zero or below ambient temperature or under the condition of large relative humidity of air, noise generated in the first starting process of the gas water heater is large, and sometimes even a resonance squeaking condition can be caused; meanwhile, under the condition of low temperature, water in a heat exchanger of the gas water heater freezes a water pipe and even freezes the water pipe, so that the normal work of the water heater is influenced; on the other hand, the content of nitrogen oxides in the smoke discharged by the existing gas water heater is higher, and the environment pollution is easily caused.
[ summary of the invention ]
The invention overcomes the defects of the technology, provides the gas water heater capable of realizing hot air circulation, and effectively solves the problems of generating resonant squeal, freezing the water pipe and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a but self heated air circulation's gas heater, includes shell 1 and sets up the controller 2 in shell 1, be equipped with gas proportional valve 3, combustor subassembly 4, heat exchanger 5, fan subassembly 6, tobacco pipe 7 from bottom to top in the shell 1 in order, controller 2 is connected with gas proportional valve 3, combustor subassembly 4, fan subassembly 6 respectively, tobacco pipe 7 is equipped with exhaust output and thermal cycle output, tobacco pipe 7 exhaust output is with external intercommunication, tobacco pipe 7 thermal cycle output is equipped with and is connected with controller 2 and is used for the heated air and to the thermal cycle device 8 of shell 1 transport heated air, be equipped with the output auto-change over device 9 of being connected with controller 2 between two outputs of tobacco pipe 7.
The gas water heater with the self-heated air circulation function is characterized in that a temperature and humidity sensor 11 connected with the controller 2 and used for detecting the temperature and the humidity of the environment is arranged on the outer side of the heat circulation device 8, a lowest temperature value and a highest humidity value are preset in the controller 2, when a temperature detection value detected by the temperature and humidity sensor 11 is smaller than the lowest temperature value or a humidity detection value is larger than the highest humidity value, the controller 2 controls the fan assembly 6 and the heat circulation device 8 to work, and the output end of the smoke pipe 7 is switched to be a heat circulation output end by the control output end switching device 9.
The gas water heater capable of circulating hot air is characterized in that an oxygen content detector 10 connected with the controller 2 and used for detecting the oxygen content of the flue gas in the flue pipe 7 is arranged in the flue pipe 7, a ventilation port 13 is arranged on a pipeline of a heat circulation output end of the flue pipe 7, the controller 2 is preset with the lowest oxygen content value, and when an oxygen content detection value detected by the oxygen content detector 10 is smaller than the lowest oxygen content value, the controller 2 controls the output end switching device 9 to switch the output end of the flue pipe 7 to be an exhaust output end, and controls the heat circulation device 8 to input air to the outer shell through the ventilation port 13.
The gas water heater capable of realizing hot air circulation is characterized in that the heat circulation device 8 comprises a circulating fan 81 connected with the heat circulation output end of the smoke tube 7, a PTC heater 82 for heating smoke is connected between the air outlet end of the circulating fan 81 and the shell 1, and the circulating fan 81 and the PTC heater 82 are respectively connected with the controller 2.
The gas water heater capable of realizing hot air circulation is characterized in that a hot air output pipeline 12 connected with the output end of the thermal circulation device 8 is circumferentially arranged on the inner side surface of the shell 1, and a plurality of hot air output through holes communicated with the shell 1 are formed in the hot air output pipeline 12.
The gas water heater capable of realizing hot air circulation is characterized in that the output end switching device 9 comprises a reversing plate 91 which is arranged between the two output ends and can rotate to turn over and switch the output ends, the heat circulation output end of the smoke tube 7 is internally provided with a solenoid valve 92 connected with the controller 2, the output end of the solenoid valve 92 is hinged with the upper part of one side surface of the reversing plate 91 through a pull rod, the exhaust output end of the smoke tube 7 is internally provided with a spring 93, the other end of the spring 93 is connected with the upper part of the other side surface of the reversing plate 91, and the reversing plate 91 is in a heat circulation output end state under a natural state of the spring 93.
The gas water heater capable of realizing hot air circulation is characterized in that the gas input pipe of the gas proportional valve 3 is arranged on the lower side surface of the shell 1, the cold water input pipe and the hot water output end of the heat exchanger 5 are both arranged on the lower side surface of the shell 1, and the output end of the smoke pipe 7 is arranged on the upper side surface of the shell 1.
The invention has the beneficial effects that:
according to the invention, the thermal circulation device is arranged at the thermal circulation output end of the smoke tube, so that the air in the gas water heater can be heated, the heated air can circularly flow to improve the temperature of the gas water heater and reduce the humidity of the gas water heater, and the problems of resonance squeaking generated during starting and water pipe freezing due to low temperature or high humidity are solved; meanwhile, when the gas water heater is used for heating in a burning mode, the flue gas can be returned to the shell of the gas water heater and combusted through the combustor assembly again, so that the utilization of energy is improved, and the generation of nitrogen oxides can be inhibited; the ventilation port is arranged on the pipeline at the heat circulation output end of the smoke pipe, so that when the output end switching device is switched to the ventilation output end state, the gas water heater is ventilated through the ventilation port, fresh air is supplemented, and the phenomenon that the normal work of the gas water heater is influenced due to too low oxygen content is prevented.
[ description of the drawings ]
FIG. 1 is a schematic view of the internal structure of the housing of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of a hot air circulating fluid of the present invention;
FIG. 4 is a partial cross-sectional view of the heated air circulating fluid smoke tube of the present invention;
FIG. 5 is a partial cross-sectional view of the air circulating flue tube of the present invention.
[ detailed description of the invention ]
The following is a more detailed description of embodiments of the invention, taken in conjunction with the accompanying drawings of which:
as shown in fig. 1-5, a gas water heater capable of circulating hot air by itself comprises a housing 1 and a controller 2 arranged in the housing 1, wherein a gas proportional valve 3, a burner assembly 4, a heat exchanger 5, a fan assembly 6 and a smoke tube 7 are sequentially arranged in the housing 1 from bottom to top, the controller 2 is respectively connected with the gas proportional valve 3, the burner assembly 4 and the fan assembly 6, the smoke tube 7 is provided with an exhaust output end and a thermal circulation output end, the exhaust output end of the smoke tube 7 is communicated with the outside, the thermal circulation output end of the smoke tube 7 is provided with a thermal circulation device 8 which is connected with the controller 2 and used for heating air and conveying the heated air to the housing 1, and an output end switching device 9 connected with the controller 2 is arranged between the two output ends of the smoke tube 7.
The outside of the thermal circulation device 8 is provided with a temperature and humidity sensor 11 connected with the controller 2 and used for detecting the temperature and humidity of the environment, a lowest temperature value and a highest humidity value are preset in the controller 2, when a temperature detection value detected by the temperature and humidity sensor 11 is smaller than the lowest temperature value or a humidity detection value is larger than the highest humidity value, the thermal circulation device 8 works, and the output end switching device 9 is controlled to switch the output end of the smoke pipe 7 into a thermal circulation output end.
When the gas water heater is started, the temperature and humidity sensor 11 detects the ambient temperature and humidity, when the ambient temperature is lower than a preset minimum temperature value or when the ambient humidity is higher than a preset high humidity value, the controller 2 controls the heat circulation device 8 to work, and the control output end switching device 9 switches the output end of the smoke tube 7 into a heat circulation output end, as shown in fig. 3-4, at the moment, fluid air enters the smoke tube 7 through the fan assembly 6, then enters the shell 1 through the heat circulation output end and the heat circulation device 8 by heating, enters the smoke tube 7 through the burner assembly 4, the heat exchanger 5 and the fan assembly 6 to realize circulation, the temperature in the shell 1 is increased and the humidity is reduced through heating the air, until the ambient temperature and the humidity detected by the temperature and humidity sensor 11 reach the preset value range, the controller 2 controls the burner assembly 4 to work, and burns the gas input by the gas proportional valve 3 to heat the heat exchanger 5 so as to, the problem that the start-up is a resonance squeal due to low temperature or high humidity and the problem of freezing the water pipes due to low temperature can be avoided.
As shown in fig. 1-2, an oxygen content detector 10 connected to the controller 2 for detecting the oxygen content of the flue gas in the flue pipe 7 is arranged in the flue pipe 7, a ventilation port 13 is arranged on a heat circulation output end pipeline of the flue pipe 7, a minimum oxygen content value is preset in the controller 2, when an oxygen content detection value detected by the oxygen content detector 10 is smaller than the minimum oxygen content value, the controller 2 controls the output end switching device 9 to switch the output end of the flue pipe 7 to an exhaust output end, and controls the heat circulation device 8 to input air to the outer shell through the ventilation port 13, when the gas water heater is normally heated, the combusted flue gas passes through the flue pipe 7, the heat circulation output end and the heat circulation device 8 and then enters the outer shell 1 for secondary combustion, so as to improve the utilization of energy and inhibit the generation of nitrogen oxides, as shown in fig. 5, after the combusted flue gas enters the flue pipe 7, the oxygen content detector 10 in the smoke tube 7 detects the oxygen content of the smoke, when the oxygen content detection value is lower than the preset lowest oxygen content value, the controller 2 switches the output end of the smoke tube 7 into an exhaust output end through the output end switching device 9, the smoke is discharged outwards, meanwhile, fresh air enters the heat circulation output end pipeline through the scavenging port 13 and enters the shell 1, and until the oxygen content detection value in the smoke tube 7 detected by the oxygen content detector 10 is higher than the preset lowest oxygen content value, the output end of the smoke tube 7 is switched into the heat circulation output end to carry out the recovery combustion of the smoke.
As shown in fig. 1-3, the heat circulation device 8 includes a circulation fan 81 connected to the heat circulation output end of the smoke tube 7, a PTC heater 82 for heating air is connected between the air outlet end of the circulation fan 81 and the housing 1, the circulation fan 81 and the PTC heater 82 are respectively connected to the controller 2, and the circulation fan 81 extracts air in the smoke tube 7 and conveys the air back to the housing 1 after passing through the PTC heater 82.
As shown in fig. 3-5, the output end switching device 9 includes a reversing plate 91 disposed between the two output ends and capable of rotating and turning over the switching output end, a solenoid valve 92 connected to the controller 2 is disposed in the thermal circulation output end of the smoke tube 7, the output end of the solenoid valve 92 is hinged to the upper portion of one side surface of the reversing plate 91 through a pull rod, a spring 93 is disposed in the ventilation output end of the smoke tube 7, the other end of the spring 93 is connected to the upper portion of the other side surface of the reversing plate 91, the controller 2 powers the solenoid valve 92 to drive the pull rod, so that the reversing plate 91 rotates counterclockwise around the fixed shaft, at this time, the reversing plate 91 is switched to the ventilation output end state when the spring 93 is in the stretching state, and the output end switching device 9 switches the output end of; when the output end switching device 9 switches the output end of the smoke tube 7 to the thermal cycle output end, the controller 2 powers off the electromagnetic valve 92, the reversing plate 91 rotates clockwise around the fixed shaft under the restoring force of the spring 93, so that the reversing plate 91 covers the exhaust output end and opens the thermal cycle output end of the smoke tube 7, as shown in fig. 4, the spring 93 is in a natural state at the moment, when the thermal cycle output end is switched to the exhaust output end, the electromagnetic valve 92 contracts inwards through the pull rod to drive the rotary reversing plate 91 to rotate anticlockwise around the fixed shaft, wherein the output end switching device can also drive the screw rod to turn over the reversing plate through the motor.
As shown in fig. 1 and 3, a hot air output pipeline 12 connected with the output end of the thermal circulation device 8 is circumferentially arranged along the inner side surface of the shell 1, a plurality of hot air output through holes communicated with the shell 1 are formed in the hot air output pipeline 12, and heated air and recovered flue gas enter the shell 1 through the hot air output through holes on the hot air output pipeline 12, so that the temperature and humidity in the shell 1 are better adjusted, and the recovered flue gas is more fully combusted.
As shown in figure 1, the gas input pipe of the gas proportional valve 3 is arranged on the lower side surface of the shell 1, the cold water input pipe and the hot water output end of the heat exchanger 5 are both arranged on the lower side surface of the shell 1, and the output end of the smoke pipe 7 is arranged on the upper side surface of the shell 1.
Claims (7)
1. The utility model provides a but self heated air circulation's gas heater, including shell (1) and set up controller (2) in shell (1), be equipped with gas proportional valve (3), combustor subassembly (4), heat exchanger (5), fan subassembly (6), tobacco pipe (7) from bottom to top in order in shell (1), controller (2) are connected its characterized in that with gas proportional valve (3), combustor subassembly (4), fan subassembly (6) respectively: the smoke tube (7) is provided with an exhaust output end and a thermal cycle output end, the exhaust output end of the smoke tube (7) is communicated with the outside, the thermal cycle output end of the smoke tube (7) is provided with a thermal cycle device (8) which is connected with the controller (2) and used for heating air and conveying the heated air to the shell (1), and an output end switching device (9) connected with the controller (2) is arranged between the two output ends of the smoke tube (7).
2. The gas water heater capable of circulating hot air per se according to claim 1, wherein: the outside of the thermal cycle device (8) is provided with a temperature and humidity sensor (11) connected with the controller (2) and used for detecting the temperature and humidity of the environment, a minimum temperature value and a maximum humidity value are preset in the controller (2), when a temperature detection value detected by the temperature and humidity sensor (11) is smaller than the minimum temperature value or the humidity detection value is larger than the maximum humidity value, the controller (2) controls the fan assembly (6) and the thermal cycle device (8) to work, and the output end switching device (9) is controlled to switch the output end of the smoke pipe (7) into a thermal cycle output end.
3. The gas water heater capable of circulating hot air per se according to claim 1, wherein: an oxygen content detector (10) connected with the controller (2) and used for detecting the oxygen content of smoke in the smoke tube (7) is arranged in the smoke tube (7), a ventilation port (13) is formed in a heat circulation output end pipeline of the smoke tube (7), the lowest oxygen content value is preset in the controller (2), when the oxygen content detection value detected by the oxygen content detector (10) is smaller than the lowest oxygen content value, the controller (2) controls the output end switching device (9) to switch the output end of the smoke tube (7) into an exhaust output end, and controls the heat circulation device (8) to input air to the outer shell through the ventilation port 13.
4. A gas water heater capable of circulating hot air itself according to any one of claims 1 to 3, wherein: the heat circulating device (8) comprises a circulating fan (81) connected with the heat circulating output end of the smoke tube (7), a PTC heater (82) used for heating smoke is connected between the air outlet end of the circulating fan (81) and the shell (1), and the circulating fan (81) and the PTC heater (82) are respectively connected with the controller (2).
5. The gas water heater capable of circulating hot air per se according to claim 1, wherein: and a hot air output pipeline (12) connected with the output end of the thermal circulation device (8) is arranged along the circumferential direction of the inner side surface of the shell (1), and a plurality of hot air output through holes communicated with the shell (1) are formed in the hot air output pipeline (12).
6. A gas water heater capable of circulating hot air itself according to any one of claims 1 to 3, wherein: output end auto-change over device (9) is including setting up in rotatable switching-over board (91) that closes the switching output between two outputs, be equipped with in tobacco pipe (7) thermal cycle output and be connected solenoid valve (92) with controller (2), solenoid valve (92) output is articulated through pull rod and switching-over board (91) a side upper portion, be equipped with spring (93) in tobacco pipe (7) exhaust output, the spring (93) other end is connected with switching-over board (91) another side upper portion, spring (93) switching-over board (91) are in thermal cycle output state under natural state.
7. The gas water heater capable of circulating hot air per se according to claim 1, wherein: the gas proportional valve (3) gas input pipe sets up on shell (1) downside, the cold water input pipe and the hot water output of heat exchanger (5) all set up on shell (1) downside, tobacco pipe (7) output sets up on shell (1) upside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911140697.1A CN111023556B (en) | 2019-11-20 | 2019-11-20 | Self-heated air circulation gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911140697.1A CN111023556B (en) | 2019-11-20 | 2019-11-20 | Self-heated air circulation gas water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111023556A true CN111023556A (en) | 2020-04-17 |
| CN111023556B CN111023556B (en) | 2023-09-26 |
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ID=70201606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911140697.1A Active CN111023556B (en) | 2019-11-20 | 2019-11-20 | Self-heated air circulation gas water heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN111023556B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021223394A1 (en) * | 2020-06-30 | 2021-11-11 | 青岛海高设计制造有限公司 | Method and apparatus used for controlling water heater, and water heater |
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2019
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| KR20090077304A (en) * | 2008-01-10 | 2009-07-15 | 이승용 | Drying machine |
| US20130092105A1 (en) * | 2010-06-10 | 2013-04-18 | Klaus Schmitt | Flue having an adjustable flue gas flow unit |
| US20140083648A1 (en) * | 2012-09-25 | 2014-03-27 | Venmar Ces, Inc. | Dedicated outdoor air system with pre-heating and method for same |
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| WO2021223394A1 (en) * | 2020-06-30 | 2021-11-11 | 青岛海高设计制造有限公司 | Method and apparatus used for controlling water heater, and water heater |
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| Publication number | Publication date |
|---|---|
| CN111023556B (en) | 2023-09-26 |
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