CN209910148U - Gas water heater capable of preventing gas poisoning - Google Patents
Gas water heater capable of preventing gas poisoning Download PDFInfo
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- CN209910148U CN209910148U CN201920666457.4U CN201920666457U CN209910148U CN 209910148 U CN209910148 U CN 209910148U CN 201920666457 U CN201920666457 U CN 201920666457U CN 209910148 U CN209910148 U CN 209910148U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 214
- 206010017740 Gas poisoning Diseases 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims description 119
- 238000005086 pumping Methods 0.000 claims description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 239000002912 waste gas Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000003546 flue gas Substances 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 239000002737 fuel gas Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 208000005374 Poisoning Diseases 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
Abstract
A gas water heater capable of preventing gas poisoning comprises a water heater shell, a fixing piece, a host, an air supply device, a box body, a first exhaust pipe, a gas leakage detection device and an alarm, wherein the host, the air supply device, the box body, the first exhaust pipe, the gas leakage detection device and the alarm are arranged on the water heater shell; the water heater shell is connected with the wall body through a fixing piece; a cold water pipe, a gas pipe for supplying and discharging gas, a hot water pipe and a second exhaust pipe are arranged on the shell of the water heater; the box body is provided with a gas collecting hood and an igniter; a heat exchange pipeline, a heat exchanger and a fire grate are arranged in the box body; the heat exchange pipeline is connected with a hot water pipe; the first exhaust pipe is connected with the gas collecting hood and the preheating pipe; the preheating pipe is connected with the second exhaust pipe; a preheating water pipe in the preheating pipe is connected with the cold water pipe and the heat exchange pipeline; the host is internally provided with a signal converter and a central processing unit which are electrically connected with the leakage gas detection device and the alarm. The utility model provides a gas heater can report to the police to the gas of leaking and remind in order to improve the security of its use, and conveniently carries out the dismouting with the wall body.
Description
Technical Field
The utility model relates to a gas heater technical field especially relates to a can prevent gas water heater of coal gas poisoning.
Background
The gas water heater is also called as a gas water heater, and refers to a gas appliance which takes gas as fuel and transfers heat to cold water flowing through a heat exchanger in a combustion heating mode so as to achieve the purpose of preparing hot water; although water heaters such as air energy water heaters and electric heating water heaters are available at present, part of the products also need a larger installation space due to the relatively higher price of the products; therefore, compared with the emerging products, the gas water heater has the advantages of price and use, so that the gas water heater is popular in the families at present; however, the biggest problem encountered when using a gas water heater is a safety problem, because most families are used to install the water heater directly in a narrow bathroom for convenient operation when using the gas water heater, due to various factors such as poor ventilation, no installation of an exhaust pipeline of the water heater, unreasonable installation, poor weather conditions and the like, the combustion waste gas of the water heater is difficult to be discharged out of the room completely and smoothly, so that a user who takes a bath in the bathroom inhales a large amount of waste gas to cause poisoning symptoms; and current gas heater direct and wall body contact when the installation, the direct contact of water that exists on the wall body and water heater shell can cause the corrosion to it, and current gas heater installs moreover and dismantles very inconveniently.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a can prevent gas water heater that coal gas is poisoned, the utility model provides a gas water heater can report to the police to the gas of leaking and remind in order to improve the security of its use, and conveniently installs with the wall body.
(II) technical scheme
In order to solve the problems, the utility model provides a gas water heater capable of preventing gas poisoning, which comprises a water heater shell, a water pumping device, a host, an air supply device, a gas leakage detection device, a box body, an alarm, a gas collecting hood, a first exhaust pipe, a preheating pipe and a fixing piece; the water pumping device, the host, the air supply device, the box body, the gas collecting hood, the first exhaust pipe and the preheating pipe are all arranged in the shell of the water heater; the leakage gas detection device and the alarm are both arranged on the shell of the water heater; one end of the fixing piece is connected with the shell of the water heater, and the other end of the fixing piece is connected with the wall body;
a cold water inlet hole, a first gas inlet hole, a hot water outlet hole, a waste gas exhaust hole and a first air inlet hole are formed in the shell of the water heater; a cold water pipe is arranged in the cold water inlet hole; a water pumping device is arranged on the cold water pipe; a gas pipe is arranged in the gas inlet hole; a gas control valve is arranged on the gas pipe; a hot water pipe is arranged in the hot water outlet hole; a second exhaust pipe is arranged in the exhaust hole;
an opening is formed in the upper end of the box body, a gas collecting hood is arranged at the opening of the box body in a sealing mode, and an igniter used for igniting a fire grate is arranged on the box body; the lower end surface of the box body is provided with a second gas inlet hole and a second gas inlet hole; a heat exchange pipeline, a heat exchanger and a fire grate for heating the heat exchanger are arranged in the box body; the heat exchange pipeline is arranged on the heat exchanger, and the water outlet end of the heat exchange pipeline is connected with the hot water pipe; the gas inlet end of the fire grate is connected with the second gas inlet hole, and the air inlet end of the fire grate is connected with the second gas inlet hole; the second air inlet is connected with the air outlet end of the air supply device; the air inlet end of the air supply device is connected with a first air inlet; the second gas inlet hole is connected with a gas pipe;
one end of the first exhaust pipe is connected with the air outlet end of the air collecting hood, and the other end of the first exhaust pipe is connected with the air inlet end of the preheating pipe; the exhaust end of the preheating pipe is connected with a second exhaust pipe; a preheating water pipe is arranged in the preheating pipe; one end of the preheating water pipe is connected with the cold water pipe, and the other end of the preheating pipe is connected with the water inlet end of the heat exchange pipeline;
the host is internally provided with a signal converter and a central processing unit; the central controller, the signal converter, the water pumping device, the air supply device, the igniter, the gas control valve, the leakage gas detection device and the alarm are electrically connected.
Preferably, the leaking gas detecting means includes a carbon monoxide sensor and a methane sensor.
Preferably, a display screen and a control button are arranged on the outer wall of the water heater shell; the display screen and the control button are electrically connected with the central processing unit.
Preferably, the outer wall of the preheating pipe is provided with a heat-insulating layer.
Preferably, the fixing piece comprises a first connecting part, a second connecting part and a fastening piece; the first connecting part comprises a first mounting plate, a second mounting plate, a third mounting plate and a fourth mounting plate; the second connecting part comprises a fifth mounting plate, a sixth mounting plate and a seventh mounting plate;
the first mounting plates are respectively arranged on the shell of the water heater; the second mounting plate, the third mounting plate and the fourth mounting plate are respectively arranged on the first mounting plate side by side, and vertical first through holes are formed in the second mounting plate, the third mounting plate and the fourth mounting plate; gaps are reserved between the second mounting plate and the third mounting plate and between the third mounting plate and the fourth mounting plate;
the fifth mounting plates are respectively arranged on the wall body; the sixth mounting plate and the seventh mounting plate are arranged on the fifth mounting plate side by side respectively, a gap is reserved between the sixth mounting plate and the seventh mounting plate, and vertical second through holes are formed in the sixth mounting plate and the seventh mounting plate; the sixth mounting plate is arranged between the second mounting plate and the third mounting plate respectively; the seventh mounting plate is respectively arranged between the third mounting plate and the fourth mounting plate; the tightening pieces are screwed into the first through holes and the second through holes in sequence and alternately.
Preferably, the fifth mounting plate is provided with a third through hole.
Preferably, the gap between the second mounting plate and the third mounting plate has the same value as the thickness of the sixth mounting plate.
Preferably, the gap between the third mounting plate and the fourth mounting plate has the same value as the thickness of the seventh mounting plate.
Preferably, a vertical fourth through hole is formed in the first mounting plate; the fourth through holes are internally provided with fastening bolts; a vertical threaded hole is formed in the water heater shell; the fastening bolts are screwed into the threaded holes respectively.
Preferably, a water return pipe is arranged on the hot water pipe; the other end of the water return pipe is connected with a cold water pipe; the water return pipe is internally provided with a one-way valve for controlling water flow to flow from the hot water pipe to the cold water pipe.
The above technical scheme of the utility model has following profitable technological effect: when the gas water heater is used, the gas water heater is electrified to operate, and the water pumping device operates to convey external cold water from the cold water pipe into the heat exchange pipeline; the igniter ignites the fuel gas conveyed from the fuel gas pipe to the fire grate, the fire grate heats the heat exchange pipeline, and cold water in the heat exchange pipeline is heated and then discharged from the hot water pipe; when cold water is heated, the air supply device conveys external air to the fire grate to supplement oxygen for gas combustion; high-temperature flue gas generated after combustion of the fuel gas enters the preheating pipe along the first exhaust pipe, and the high-temperature flue gas preheats cold water in the preheating water pipe in the preheating pipe, so that the utilization rate of heat energy is greatly improved; the low-temperature flue gas is exhausted out of the room from the second exhaust pipe; detecting the leaked smoke or fuel gas through a leakage gas detection device; and alarm reminding is carried out in time through an alarm; thereby greatly improving the safety of the gas water heater;
when the water heater shell is connected with the wall body through the fixing piece, the first connecting parts are respectively arranged on the water heater shell, and the second connecting parts are respectively arranged on the wall body according to the distance between the first connecting parts; after the first connecting portion and the second connecting portion are connected in an inserting mode, the first connecting portion and the second connecting portion are connected through the fastening piece, operation is simple, use is convenient, the water heater shell is connected with the wall body through the fixing piece, and the water heater shell is prevented from being directly contacted with the wall body.
Drawings
Fig. 1 is a schematic structural view of a gas water heater capable of preventing gas poisoning according to the present invention.
Fig. 2 is a front view of a gas water heater capable of preventing gas poisoning according to the present invention.
Fig. 3 is a schematic view of the installation structure of the water heater shell and the wall body in the gas water heater capable of preventing gas poisoning provided by the utility model.
Fig. 4 is a schematic perspective view of a first connection portion of a gas water heater capable of preventing gas poisoning according to the present invention.
Fig. 5 is a schematic perspective view of a second connecting portion of a gas water heater capable of preventing gas poisoning according to the present invention.
Fig. 6 is a schematic structural view of a part a of a gas water heater capable of preventing gas poisoning according to the present invention.
Reference numerals: 1. a water heater housing; 2. a water pumping device; 3. a cold water pipe; 4. a gas pipe; 5. a host; 6. a first air intake hole; 7. a hot water pipe; 8. an air supply device; 9. a leaking gas detecting device; 10. a box body; 11. an alarm; 12. a heat exchange line; 13. a heat exchanger; 14. a gas-collecting hood; 15. a first exhaust pipe; 16. a preheating pipe; 17. a second exhaust pipe; 18. fire grate; 19. an igniter; 20. a gas control valve; 21. A display screen; 22. a control button; 23. a fixing member; 231. a first connection portion; 2311. a first mounting plate; 2312. a second mounting plate; 2313. a third mounting plate; 2314. a fourth mounting plate; 2315. a first through hole; 232. a second connecting portion; 2321. a fifth mounting plate; 2322. a sixth mounting plate; 2323. a seventh mounting plate; 2324. a second through hole; 2325. a third via.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Fig. 1 is a schematic structural view of a gas water heater capable of preventing gas poisoning according to the present invention.
Fig. 2 is a front view of a gas water heater capable of preventing gas poisoning according to the present invention.
Fig. 3 is a schematic view of the installation structure of the water heater shell and the wall body in the gas water heater capable of preventing gas poisoning provided by the utility model.
Fig. 4 is a schematic perspective view of a first connection portion of a gas water heater capable of preventing gas poisoning according to the present invention.
Fig. 5 is a schematic perspective view of a second connecting portion of a gas water heater capable of preventing gas poisoning according to the present invention.
Fig. 6 is a schematic structural view of a part a of a gas water heater capable of preventing gas poisoning according to the present invention.
As shown in fig. 1-2, the gas water heater capable of preventing gas poisoning provided by the present invention comprises a water heater housing 1, a water pumping device 2, a main unit 5, an air supply device 8, a gas leakage detection device 9, a box body 10, an alarm 11, a gas collecting hood 14, a first exhaust pipe 15, a preheating pipe 16 and a fixing member 23; wherein, the water pumping device 2, the host 5, the air supply device 8, the box body 10, the gas collecting hood 14, the first exhaust pipe 15 and the preheating pipe 16 are all arranged in the water heater shell 1; the leakage gas detection device 9 and the alarm 11 are both arranged on the water heater shell 1; one end of the fixing piece 23 is connected with the water heater shell 1, and the other end of the fixing piece 23 is connected with the wall body;
a cold water inlet hole is arranged on the water heater shell 1; a cold water pipe 3 for conveying cold water into a heat exchange pipeline 12 in the water heater shell 1 is arranged in the cold water inlet hole; a water pumping device 2 is arranged on the cold water pipe 3; it should be noted that the water inlet pressure of the cold water pipe 3 can be increased by the provided water pumping device 2; the illustrated arrows indicate the flow direction of the water;
a first gas inlet hole is formed in the water heater shell 1; a gas pipe 4 for conveying gas to the fire grate 18 in the water heater shell 1 is arranged in the gas inlet hole; a gas control valve 20 is arranged on the gas pipe 4;
a hot water outlet is arranged on the water heater shell 1; a hot water pipe 7 for discharging hot water in the heat exchange pipeline 12 is arranged in the hot water outlet hole;
the water heater shell 1 is provided with a waste gas exhaust hole; a second exhaust pipe 17 is arranged in the exhaust hole;
a first air inlet 6 is arranged on the water heater shell 1; a dustproof filter screen is arranged in the first air inlet hole 6;
an opening is formed in the upper end of the box body 10, a gas collecting hood 14 is arranged at the opening of the box body 10 in a sealing mode, and an igniter 19 for igniting a fire bank 18 is arranged on the box body 10; a second gas inlet hole and a second gas inlet hole are formed in the lower end face of the box body 10;
a heat exchange pipeline 12, a heat exchanger 13 and a fire grate 18 for heating the heat exchanger 13 are arranged in the box body 10; the heat exchange pipeline 12 is arranged on the heat exchanger 13, and the water outlet end of the heat exchange pipeline 12 is connected with the hot water pipe 7; the gas inlet end of the fire grate 18 is connected with the second gas inlet hole, and the air inlet end of the fire grate 18 is connected with the second gas inlet hole;
the second air inlet is connected with the air outlet end of the air supply device 8; the air inlet end of the air supply device 8 is connected with the first air inlet 6; the second gas inlet hole is connected with a gas pipe 4;
further, the air supply device 8 adopts an exhaust fan;
one end of the first exhaust pipe 15 is connected with the air outlet end of the gas collecting hood 14, and the other end of the first exhaust pipe 15 is connected with the air inlet end of the preheating pipe 16; the exhaust end of the preheating pipe 16 is connected with a second exhaust pipe 17; a preheating water pipe is arranged in the preheating pipe 16; one end of the preheating water pipe is connected with the cold water pipe 3, and the other end of the preheating pipe is connected with the water inlet end of the heat exchange pipeline;
a signal converter and a central processing unit are arranged in the host 5; the central controller, the signal converter, the pumping device 2, the air supply device 8, the igniter 19, the gas control valve 20, the leakage gas detection device 9 and the alarm 11 are electrically connected;
the central controller, the signal converter, the water pumping device 2, the air blowing device 8, the igniter 19, the gas control valve 20, the leak gas detection device 9, and the alarm 11 are all electrically connected to an external power supply.
In the utility model, when in use, the gas water heater is powered on to operate, and the water pumping device 2 operates to convey external cold water from the cold water pipe 3 to the heat exchange pipeline 12; the igniter 19 ignites the gas delivered to the fire grate 18 from the gas pipe 4, the fire grate 18 heats the heat exchange pipeline 12, and cold water in the heat exchange pipeline 12 is heated and then discharged from the hot water pipe 7; when the cold water is heated, the air supply device 8 conveys external air to the fire grate 18 to supplement oxygen for gas combustion; high-temperature flue gas generated after combustion of the fuel gas enters the preheating pipe 16 along the first exhaust pipe 15, and the high-temperature flue gas preheats cold water in a preheating water pipe in the preheating pipe 16, so that the utilization rate of heat energy is greatly improved; the low-temperature flue gas is discharged out of the room from the second exhaust pipe 17; the leaked flue gas or fuel gas is detected by a leakage gas detection device 9; and alarm reminding is carried out in time through the alarm 11; thereby greatly improving the safety of the gas water heater.
In an alternative embodiment, the leaking gas detecting means 9 comprises a carbon monoxide sensor and a methane sensor.
In an alternative embodiment, the outer wall of the water heater shell 1 is provided with a display screen 21 and a control button 22; the display screen 21 and the control button 22 are electrically connected with the central processing unit.
In an alternative embodiment, the outer wall of the preheating pipe 16 is provided with an insulating layer.
It should be noted that the heat energy is prevented from being dissipated into the water heater case 1 by providing the heat insulating layer on the preheating pipe 16.
In an alternative embodiment, a water return pipe is arranged on the hot water pipe 7; the other end of the water return pipe is connected with a cold water pipe 3; a one-way valve for controlling water flow from the hot water pipe 7 to the cold water pipe 3 is arranged in the water return pipe.
It should be noted that cold water in the hot water pipe 7 before use can be pumped into the cold water pipe 3 through the water return pipe; the one-way valve is arranged to prevent cold water in the cold water pipe 3 from flowing back to the hot water pipe 7 to influence the effect of using hot water; one end of the cold water pipe 3 is connected with the water pumping device 2, and the other end of the cold water pipe 3 is connected with an external water source.
As shown in fig. 3 to 6, the fixing member 23 includes a first connecting portion 231, a second connecting portion 232, and a fastening member; wherein the first connection portion 231 includes a first mounting plate 2311, a second mounting plate 2312, a third mounting plate 2313 and a fourth mounting plate 2314; the second connection portion 232 includes a fifth mounting plate 2321, a sixth mounting plate 2322 and a seventh mounting plate 2323;
the first mounting plates 2311 are respectively arranged on the water heater shell 1; the second mounting plate 2312, the third mounting plate 2313 and the fourth mounting plate 2314 are respectively arranged on the first mounting plate 2311 side by side, and vertical first through holes 2315 are formed in the second mounting plate 2312, the third mounting plate 2313 and the fourth mounting plate 2314; gaps are left between the second mounting plate 2312 and the third mounting plate 2313 and between the third mounting plate 2313 and the fourth mounting plate 2314;
the fifth mounting plates 2321 are respectively arranged on the wall body; the sixth mounting plate 2322 and the seventh mounting plate 2323 are respectively arranged on the fifth mounting plate 2321 side by side, a gap is reserved between the sixth mounting plate 2322 and the seventh mounting plate 2323, and the sixth mounting plate 2322 and the seventh mounting plate 2323 are respectively provided with a vertical second through hole 2324; the sixth mounting plate 2322 is disposed between the second and third mounting plates 2312 and 2313, respectively; the seventh mounting plate 2323 is disposed between the third and fourth mounting plates 2313 and 2314, respectively; the tightening pieces are threaded into the first through hole 2315 and the second through hole 2324 alternately in sequence.
It should be noted that, the water heater shell 1 is connected to the wall through the fixing member 23, when the water heater shell 1 is installed, the first connecting portions 231 are respectively installed on the water heater shell 1, and then the second connecting portions 232 are respectively installed on the wall according to the distance between the first connecting portions 231; after the first connecting portion 231 and the second connecting portion 232 are connected in an inserting mode, the first connecting portion 231 and the second connecting portion 232 are connected through the fastening piece, operation is simple, use is convenient, the water heater shell 1 is connected with a wall body through the fixing piece 23, and the water heater shell 1 is prevented from being directly contacted with the wall body.
In an alternative embodiment, the fifth mounting plate 2321 is provided with a third through-hole 2325.
In an alternative embodiment, the gap between the second and third mounting plates 2312, 2313 has the same thickness as the sixth mounting plate 2322.
In an alternative embodiment, the gap between the third and fourth mounting plates 2313 and 2314 has the same thickness as the seventh mounting plate 2323.
In an alternative embodiment, the first mounting plate 2311 is provided with a vertical fourth through hole; the fourth through holes are internally provided with fastening bolts; a vertical threaded hole is formed in the water heater shell 1; the fastening bolts are screwed into the threaded holes respectively.
It should be noted that, the first mounting plate 2311 is fixedly connected with the wall through the fastening bolt, so that the first mounting plate 2311 is convenient to detach.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A gas water heater capable of preventing gas poisoning is characterized by comprising a water heater shell (1), a water pumping device (2), a host (5), an air supply device (8), a leaked gas detection device (9), a box body (10), an alarm (11), a gas collecting hood (14), a first exhaust pipe (15), a preheating pipe (16) and a fixing piece (23); wherein the water pumping device (2), the host (5), the air supply device (8), the box body (10), the gas collecting hood (14), the first exhaust pipe (15) and the preheating pipe (16) are all arranged in the water heater shell (1); the leakage gas detection device (9) and the alarm (11) are both arranged on the water heater shell (1); one end of the fixing piece (23) is connected with the water heater shell (1) respectively, and the other end of the fixing piece (23) is connected with the wall body respectively;
a cold water inlet hole, a first gas inlet hole, a hot water outlet hole, a waste gas exhaust hole and a first gas inlet hole (6) are formed in the water heater shell (1); a cold water pipe (3) is arranged in the cold water inlet hole; a water pumping device (2) is arranged on the cold water pipe (3); a gas pipe (4) is arranged in the gas inlet hole; a gas control valve (20) is arranged on the gas pipe (4); a hot water pipe (7) is arranged in the hot water outlet hole; a second exhaust pipe (17) is arranged in the exhaust hole;
an opening is formed in the upper end of the box body (10), a gas collecting hood (14) is hermetically arranged at the opening of the box body (10), and an igniter (19) for igniting the fire grate (18) is arranged on the box body (10); a second gas inlet hole and a second gas inlet hole are formed in the lower end face of the box body (10); a heat exchange pipeline (12), a heat exchanger (13) and a fire grate (18) for heating the heat exchanger (13) are arranged in the box body (10); the heat exchange pipeline (12) is arranged on the heat exchanger (13), and the water outlet end of the heat exchange pipeline (12) is connected with the hot water pipe (7); the gas inlet end of the fire grate (18) is connected with the second gas inlet hole, and the air inlet end of the fire grate (18) is connected with the second gas inlet hole; the second air inlet is connected with the air outlet end of the air supply device (8); the air inlet end of the air supply device (8) is connected with the first air inlet hole (6); the second gas inlet hole is connected with a gas pipe (4);
one end of the first exhaust pipe (15) is connected with the air outlet end of the air collecting hood (14), and the other end of the first exhaust pipe (15) is connected with the air inlet end of the preheating pipe (16); the exhaust end of the preheating pipe (16) is connected with a second exhaust pipe (17); a preheating water pipe is arranged in the preheating pipe (16); one end of the preheating water pipe is connected with the cold water pipe (3), and the other end of the preheating pipe is connected with the water inlet end of the heat exchange pipeline;
a signal converter and a central processing unit are arranged in the host (5); the central controller, the signal converter, the water pumping device (2), the air supply device (8), the igniter (19), the gas control valve (20), the leakage gas detection device (9) and the alarm (11) are electrically connected.
2. Gas water heater capable of preventing gas poisoning according to claim 1, wherein the leaking gas detecting means (9) includes a carbon monoxide sensor and a methane sensor.
3. The gas water heater capable of preventing gas poisoning according to claim 1, wherein a display screen (21) and a control button (22) are arranged on the outer wall of the water heater shell (1); the display screen (21) and the control button (22) are electrically connected with the central processing unit.
4. The gas water heater capable of preventing gas poisoning as claimed in claim 1, wherein the outer wall of the preheating pipe (16) is provided with an insulating layer.
5. Gas water heater capable of preventing gas poisoning according to claim 1, wherein the fixing member (23) comprises a first connecting portion (231), a second connecting portion (232) and a fastening member; wherein the first connection portion (231) includes a first mounting plate (2311), a second mounting plate (2312), a third mounting plate (2313), and a fourth mounting plate (2314); the second connecting portion (232) comprises a fifth mounting plate (2321), a sixth mounting plate (2322) and a seventh mounting plate (2323);
the first mounting plates (2311) are respectively arranged on the water heater shell (1); the second mounting plate (2312), the third mounting plate (2313) and the fourth mounting plate (2314) are arranged on the first mounting plate (2311) side by side respectively, and vertical first through holes (2315) are formed in the second mounting plate (2312), the third mounting plate (2313) and the fourth mounting plate (2314); gaps are reserved between the second mounting plate (2312) and the third mounting plate (2313) and between the third mounting plate (2313) and the fourth mounting plate (2314);
the fifth mounting plates (2321) are respectively arranged on the wall body; the sixth mounting plate (2322) and the seventh mounting plate (2323) are respectively arranged on the fifth mounting plate (2321) side by side, a gap is reserved between the sixth mounting plate (2322) and the seventh mounting plate (2323), and the sixth mounting plate (2322) and the seventh mounting plate (2323) are respectively provided with a vertical second through hole (2324); the sixth mounting plates (2322) are respectively arranged between the second mounting plate (2312) and the third mounting plate (2313); the seventh mounting plate (2323) is respectively arranged between the third mounting plate (2313) and the fourth mounting plate (2314); the tightening pieces are screwed into the first through hole (2315) and the second through hole (2324) alternately in sequence.
6. The gas water heater capable of preventing gas poisoning according to claim 5, wherein the fifth mounting plate (2321) is provided with a third through hole (2325).
7. Gas water heater capable of preventing gas poisoning according to claim 5, wherein the gap between the second mounting plate (2312) and the third mounting plate (2313) has the same value as the thickness of the sixth mounting plate (2322).
8. Gas water heater capable of preventing gas poisoning according to claim 5, wherein the gap between the third mounting plate (2313) and the fourth mounting plate (2314) has the same value as the thickness of the seventh mounting plate (2323).
9. The gas water heater capable of preventing gas poisoning according to claim 5, wherein the first mounting plate (2311) is provided with a vertical fourth through hole; the fourth through holes are internally provided with fastening bolts; a vertical threaded hole is formed in the water heater shell (1); the fastening bolts are screwed into the threaded holes respectively.
10. The gas water heater capable of preventing gas poisoning according to claim 1, wherein a water return pipe is provided on the hot water pipe (7); the other end of the water return pipe is connected with a cold water pipe (3); a one-way valve for controlling water flow from the hot water pipe (7) to the cold water pipe (3) is arranged in the water return pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666457.4U CN209910148U (en) | 2019-05-09 | 2019-05-09 | Gas water heater capable of preventing gas poisoning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666457.4U CN209910148U (en) | 2019-05-09 | 2019-05-09 | Gas water heater capable of preventing gas poisoning |
Publications (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460844A (en) * | 2020-11-20 | 2021-03-09 | 温州瘦玫机械科技有限公司 | Energy-saving environment-friendly air source gas heat pump unit |
| CN112556205A (en) * | 2021-01-13 | 2021-03-26 | 杭州朵聪日用品有限公司 | Gas water heater preventing device for preventing carbon monoxide leakage and poisoning |
| EP4056919A1 (en) * | 2021-03-11 | 2022-09-14 | ebm-papst Landshut GmbH | Heating device comprising a gas sensor and method for its operation |
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2019
- 2019-05-09 CN CN201920666457.4U patent/CN209910148U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460844A (en) * | 2020-11-20 | 2021-03-09 | 温州瘦玫机械科技有限公司 | Energy-saving environment-friendly air source gas heat pump unit |
| CN112556205A (en) * | 2021-01-13 | 2021-03-26 | 杭州朵聪日用品有限公司 | Gas water heater preventing device for preventing carbon monoxide leakage and poisoning |
| EP4056919A1 (en) * | 2021-03-11 | 2022-09-14 | ebm-papst Landshut GmbH | Heating device comprising a gas sensor and method for its operation |
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