CN201488287U - Smoke exhaust hood of flue type gas water heater - Google Patents
Smoke exhaust hood of flue type gas water heater Download PDFInfo
- Publication number
- CN201488287U CN201488287U CN2009201513926U CN200920151392U CN201488287U CN 201488287 U CN201488287 U CN 201488287U CN 2009201513926 U CN2009201513926 U CN 2009201513926U CN 200920151392 U CN200920151392 U CN 200920151392U CN 201488287 U CN201488287 U CN 201488287U
- Authority
- CN
- China
- Prior art keywords
- chimney
- side plate
- enclosure
- deflector
- type gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 18
- 239000011324 bead Substances 0.000 claims description 9
- 239000007789 gas Substances 0.000 abstract description 24
- 239000003517 fume Substances 0.000 abstract description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
Images
Landscapes
- Chimneys And Flues (AREA)
- Incineration Of Waste (AREA)
- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
Abstract
The fume exhaust hood for flue type gas water heater includes fume hood and fume pipe locating ring on the top of the fume hood, and the fume hood has over one back flow passage. The backflow air flow channel comprises a wind shield arranged below the smoke tube positioning ring and a guide plate arranged on the side edge, and the wind shield and the guide plate together form a first backflow air flow channel with the upper part of the smoke hood. A side plate is arranged below the guide plate, and a horn-shaped second inverted filling airflow channel is formed between the guide plate and the side plate. The lower ends of the front side plate and the rear side plate are provided with openings to form a third backward flow air flow channel. The utility model discloses set up many airflow channel that flows backward, when pouring backward wind from exhanst gas outlet portion and pouring into the petticoat pipe, the air current will be discharged the petticoat pipe outside through airflow channel that flows backward. Because the temperature controller is arranged on the upper edge of the guide plate, when the smoke exhaust channel is partially or completely blocked, the temperature controller acts to stop the water heater, and the smoke leakage accident caused by the blockage of the smoke exhaust channel is avoided.
Description
Technical field
The utility model relates to a kind of enclosure of chimney flue type gas heater, belongs to the new technology of the enclosure of gas heater.
Background technology
The effect of gas heater enclosure is to collect and discharge the flue gas that burning produces.At present, the enclosure of gas heater all has the function that most flue gas is drained, and the safety that the flue gas that also has part to fail to drain can stay within to the user causes very big threat.Existing enclosure does not have preventing air reverse flow and flue to stop up defencive function, will produce personal injury to the user in case generation downdraught or flue stop up.Chinese patent literature CN2828664 discloses a kind of gas fired water heater defroster on October 18th, 2006.It comprises the master controller that is arranged in the water heater body, gives tracheae, is arranged on to endotracheal blast pipe, giving tracheae and blast pipe is coaxitron, be provided with the device that prevents that cold air from pouring in down a chimney in the described blast pipe, described giving is provided with the locking device that the control air enters in the tracheae.Prevent the device that cold air pours in down a chimney and control the locking device that air enters by on the supply and exhaust pipe, being provided with respectively, when the water heater operate as normal, open to, exhaust outlet, close when quitting work to, exhaust outlet, cold air can't be entered in the water heater casing, avoid water in the heat exchanger because of catching a cold freezing and expansion even with the phenomenon of the water pipe spalling of heat exchanger.But its structure is complicated, is necessary further improvement and perfect.
The utility model content
The purpose of this utility model aims to provide a kind of simple and reasonable, and the minimizing flue gas remains in indoor, avoids because smoke evacuation is residual or the enclosure of the gas heater of the accident that the flue obstruction causes, to overcome weak point of the prior art.
Press the enclosure of a kind of chimney flue type gas heater of this purpose design, comprise the smoke pipe locating ring at petticoat pipe and top thereof, its architectural feature is the gas channel that pours in down a chimney that is provided with one or more in the petticoat pipe.
The described gas channel that pours in down a chimney comprises deep bead that is arranged on smoke pipe locating ring below and the deflector that is arranged on side, and deep bead and deflector constitute first with petticoat pipe top together and pour in down a chimney gas channel.Below deflector, be provided with side plate, form trumpet-shaped second between deflector and the side plate and pour in down a chimney gas channel.
Described petticoat pipe is a cube, side plate and upper cover plate before and after comprising, and the upper cover plate cross section is trapezoidal, the top is provided with exhaust opening, the smoke pipe locating ring is fixed on the upper cover plate end face, and the internal diameter of smoke pipe locating ring flows into heat exchanger greater than the external diameter of aforementioned exhaust opening so that prevent condensed water; The lower end of front and back side plate 6 is provided with opening, forms the 3rd and pours in down a chimney gas channel, and described open upper end has flange.
Described first pours in down a chimney gas channel and second pours in down a chimney gas channel and is splayed respectively and is symmetrical arranged, and outlet laterally.Deep bead, deflector and side plate are arc, and each plate is provided with location flanging or buckle and is connected with the front and back side plate respectively in both sides at least.Deflector is provided with temperature controller.
The utility model is provided with many and pours in down a chimney gas channel, and when smoke outlet pours into petticoat pipe, air-flow will be discharged to the petticoat pipe outside by pouring in down a chimney gas channel as downdraught.Because the deflector upper edge is provided with temperature controller 7, when discharge flue has some or all of obstruction, flue gas is discharged by deflector, the fume leakage of high temperature can make the temperature controller action, simultaneously send signal water heater is quit work, avoided because discharge flue stops up the smoke spillage accident that causes to the controller of water heater.It is simple and reasonable, and is safe and reliable, prevents that downdraught and flue from stopping up, and can protect user's safety when abnormal conditions take place.
Description of drawings
Fig. 1 is the utility model one example structure schematic diagram.
Fig. 2 is the schematic diagram that moves towards that pours in down a chimney air-flow when downdraught takes place.
Fig. 3 is the decomposition texture schematic diagram of Fig. 1.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 1-Fig. 3, the enclosure of this chimney flue type gas heater comprises the front and back side plate 6 and the temperature controller 7 of smoke pipe locating ring 1, deep bead 2, upper cover plate 3, symmetrical deflector 4, symmetrical side plate 5, front and back symmetry.Be provided with under the smoke pipe locating ring 1 be provided with side plate 5 below deep bead 2, the deflector 4, side plate 6 lower ends in front and back are provided with opening 6.1, open upper end has flange 6.2, forms three from top to bottom and pours in down a chimney gas channel 11,12 and 13.Temperature controller 7 is installed in deflector 4 upper edges.
As downdraught when smoke outlet pours into petticoat pipe, deep bead 2 can decompose to first between upper cover plate 3 and the deflector 4 with a part of air-flow and pour in down a chimney gas channel 11, thereby discharge petticoat pipe outside, another part air communication is crossed second between deflector 4 and the side plate 5 and is poured in down a chimney gas channel 12 discharge petticoat pipe outsides, and the 3rd of side plate 6 lower ends the poured in down a chimney outside the gas channel 13 discharge petticoat pipes before and after last nubbin air communication was crossed.By above three passages, the air-flow of downdraught all can be diverted to the petticoat pipe outside, thereby make the air-flow that may influence normal fume emission considerably less, be implemented under the downdraught state, the carbon monoxide of discharging does not exceed standard.
When discharge flue has some or all of obstruction, flue gas can let out by deflector 4, because deflector 4 upper edges are provided with temperature controller 7, the fume leakage of high temperature can make the temperature controller action, and simultaneously send signal to the controller of water heater water heater is quit work, avoid because discharge flue stops up the smoke spillage accident that causes.
Water heater is when operate as normal, and high-temperature flue gas can produce condensed water, because the internal diameter of smoke pipe locating ring 1 is greater than the exhaust opening external diameter of upper cover plate 3.When condensed water flows down along the smoke pipe inwall, can not drop onto on the heat exchanger, but flow between smoke pipe locating ring 1 and upper cover plate 3 exhaust openings, because the temperature of upper cover plate 3 is higher, condensed water evaporates immediately, can avoid condensing drip to fall on the heat exchanger and the corrosion heat exchanger.
Claims (7)
1. the enclosure of a chimney flue type gas heater comprises the smoke pipe locating ring (1) at petticoat pipe and top thereof, it is characterized in that being provided with in the petticoat pipe gas channel that pours in down a chimney of one or more.
2. according to the enclosure of the described chimney flue type gas heater of claim 1, it is characterized in that the described gas channel that pours in down a chimney comprises deep bead (2) that is arranged on smoke pipe locating ring (1) below and the deflector (4) that is arranged on side, deep bead and deflector constitute first with petticoat pipe top together and pour in down a chimney gas channel (11).
3. according to the enclosure of the described chimney flue type gas heater of claim 2, it is characterized in that described deflector (4) below is provided with side plate (5), forms trumpet-shaped second and pours in down a chimney gas channel (12) between deflector and the side plate.
4. according to the enclosure of claim 2 or 3 described chimney flue type gas heaters, it is characterized in that described petticoat pipe is a cube, side plate (6) and upper cover plate (3) before and after comprising, the upper cover plate cross section is trapezoidal, the top is provided with exhaust opening, smoke pipe locating ring (1) is fixed on the upper cover plate end face, and the internal diameter of smoke pipe locating ring is greater than the external diameter of aforementioned exhaust opening; The lower end of front and back side plate is provided with opening (6.1), forms the 3rd and pours in down a chimney gas channel (13), and described open upper end has flange (6.2).
5. according to the enclosure of the described chimney flue type gas heater of claim 3, it is characterized in that described first pours in down a chimney gas channel (11) and second and pour in down a chimney gas channel (12) and be splayed respectively and be symmetrical arranged, and outlet laterally.
6. according to the enclosure of the described chimney flue type gas heater of claim 4, it is characterized in that described deep bead (2), deflector (4) and side plate (5) are arc, and each plate is provided with location flanging or buckle and is connected with front and back side plate (6) respectively in both sides at least.
7. according to the enclosure of the described chimney flue type gas heater of claim 4, it is characterized in that described deflector (4) is provided with temperature controller (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201513926U CN201488287U (en) | 2009-04-20 | 2009-04-20 | Smoke exhaust hood of flue type gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201513926U CN201488287U (en) | 2009-04-20 | 2009-04-20 | Smoke exhaust hood of flue type gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201488287U true CN201488287U (en) | 2010-05-26 |
Family
ID=42427164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201513926U Expired - Lifetime CN201488287U (en) | 2009-04-20 | 2009-04-20 | Smoke exhaust hood of flue type gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201488287U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940088A (en) * | 2014-01-20 | 2014-07-23 | 芜湖美的厨卫电器制造有限公司 | Flue-type gas water heater and smoke exhaust hood thereof |
| CN105004034A (en) * | 2014-04-15 | 2015-10-28 | 樱花卫厨（中国）股份有限公司 | Anti-downdraft device for outdoor gas water heater |
-
2009
- 2009-04-20 CN CN2009201513926U patent/CN201488287U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940088A (en) * | 2014-01-20 | 2014-07-23 | 芜湖美的厨卫电器制造有限公司 | Flue-type gas water heater and smoke exhaust hood thereof |
| CN103940088B (en) * | 2014-01-20 | 2016-08-31 | 芜湖美的厨卫电器制造有限公司 | Flue-type gas water heater and enclosure thereof |
| CN105004034A (en) * | 2014-04-15 | 2015-10-28 | 樱花卫厨（中国）股份有限公司 | Anti-downdraft device for outdoor gas water heater |
| CN105004034B (en) * | 2014-04-15 | 2017-09-29 | 樱花卫厨（中国）股份有限公司 | Outdoor gas water heater backward-wind preventing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Midea kitchen and toilet electrical appliance manufacturing Co.,Ltd. Assignor: Midea Group Contract record no.: 2010440001013 Denomination of utility model: Exhaust hood of flue type gas water heater Granted publication date: 20100526 License type: Exclusive License Record date: 20100723 |
|
| C56 | Change in the name or address of the patentee |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER NAME: MEIDI GROUP CO. LTD. |
|
| CP03 | Change of name, title or address |
Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528300 Penglai Road, Beijiao Town, Shunde District, Guangdong, Foshan Patentee before: Midea Group |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100526 |