CN104776601A - Smoke exhaust system for gas water heater and gas water heater with smoke exhaust system - Google Patents
Smoke exhaust system for gas water heater and gas water heater with smoke exhaust system Download PDFInfo
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- CN104776601A CN104776601A CN201510159710.3A CN201510159710A CN104776601A CN 104776601 A CN104776601 A CN 104776601A CN 201510159710 A CN201510159710 A CN 201510159710A CN 104776601 A CN104776601 A CN 104776601A
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- pipeline
- pipe
- gas heater
- noise reduction
- smoke evacuation
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Abstract
The invention discloses a smoke exhaust system for a gas water heater and the gas water heater with the smoke exhaust system. The smoke exhaust system comprises a first pipeline, a second pipeline, a silencing component and an anti-freezing device, wherein the silencing component is connected between the first and second pipelines, and comprises an outer cover piece, first to third partition plates, a first silencing pipe, a second silencing piece and a communicating pipe; the two ends of the outer cover piece are connected with the first and second pipelines to define chambers respectively; the first to third partition plates are sequentially arranged at intervals in the circulation direction of air; the two ends of the first silencing pipe penetrate through the first and second partition plates respectively; the communicating pipe is arranged on the second partition plate in a penetration manner; the two ends of the second silencing pipe penetrate through the second and third partition plates respectively; the anti-freezing device is used for opening or closing a smoke circulation path. According to the smoke exhaust system for the gas water heater, the silencing component is matched with the anti-freezing device, so that the gas water heater has the advantages of low noise, anti-freezing property and the like.
Description
Technical field
The present invention relates to gas heater apparatus field, particularly relate to a kind of smoke evacuation system for gas heater and there is the gas heater of this smoke evacuation system.
Background technology
Gas heater in correlation technique, cold air can enter gas heater inside by smoke exhaust pipe of gas water heater, and can cause the water freezing in water tank when gas heater does not use and cannot use, time serious, freezing and expansion can be split up water tank.
Further, along with improving constantly of living standards of the people, require more and more higher to quality of life, what pursue is not only the continuous increase of using amount of hot water, temperature persistance is stablized, one opens and namely has hot water, simultaneously with water spot number increase etc., require also more and more higher to the noise performance of machine simultaneously, pursue low noise, easy, comfortable living environment, the main noise source of current gas heater is air power noise and combustion noise, wherein combustion noise can reduce single burner load and realizes, and air power noise is inevitable, mainly because current gas heater is forced-ventilated and strong odd test two kinds is main, all need blower fan to drive constantly to suck ozone and will maintain Thorough combustion, just air power noise can be produced, noise all discharges from smoke evacuation system.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, the present invention proposes a kind of smoke evacuation system for gas heater, by adopting noise reduction assembly and defroster to coordinate, makes gas heater have noise little, the advantages such as anti-freeze.
The invention allows for a kind of gas heater with above-mentioned smoke evacuation system.
According to the smoke evacuation system for gas heater of the present invention, comprising: the first pipeline, described first pipeline is suitable for being connected with the outlet flue on the petticoat pipe of described gas heater, second pipeline, the outlet of described second pipeline is suitable for being located at outdoor, noise reduction assembly, described noise reduction assembly is connected between described first pipeline and described second pipeline, described noise reduction assembly comprises outer casing, first to the 3rd dividing plate, first hush pipe, second hush pipe and communicating pipe, the two ends of described outer casing are connected to limit chamber with described second pipeline with described first pipeline respectively, described first to the 3rd dividing plate is interval setting successively on the circulating direction of air, the two ends of described first hush pipe are each passed through described first dividing plate and described second partition, described tube connector is located on described second partition, the two ends of described second hush pipe are each passed through described second partition and described 3rd dividing plate, the circulation area of wherein said first hush pipe is less than the circulation area of described first pipeline, the circulation area of described second hush pipe is less than the circulation area of described second pipeline, wherein said first pipeline, described second pipeline and described noise reduction assembly limit the circulation path of flue gas, for conducting or the defroster ending described circulation path.
According to the smoke evacuation system for gas heater of the present invention, by adopting noise reduction assembly and defroster to coordinate, gas heater is made to have noise little, the advantages such as anti-freeze.
Particularly, described defroster comprises the switch gate be located at rotationally in described first pipeline or described second pipeline, and described switch gate often ends described circulation path under gravity.
Further, described first pipeline comprises: outer tube, and described outer tube is connected with described outer casing; Interior pipe, described interior pipe be positioned at described outer tube at least partially, described switch gate be positioned at described outer tube and one end of described switch gate be located at described pipe rotationally periphery wall on to open or close the end of described pipe.
Particularly, described noise reduction assembly is multiple, and described multiple noise reduction assembly is connected successively, and described first hush pipe of adjacent two described noise reduction assemblies is communicated with described second hush pipe.
Further, the shape and size of the outer casing of described multiple noise reduction assembly are all identical.
Particularly, described noise reduction assembly is vertically arranged, and described second pipeline comprises bend pipe and straight tube, and the two ends of described bend pipe are connected with described straight tube with described noise reduction assembly respectively.
Further, the periphery wall of the part of the contiguous outlet of described straight tube is provided with multiple tap hole.
Further, described bend pipe is bellows.
Particularly, described first hush pipe, described second hush pipe are identical with the body radius of described tube connector.
In addition, the invention allows for a kind of gas heater, it comprises the above-mentioned smoke evacuation system for gas heater.
Accompanying drawing explanation
Fig. 1 is according to the schematic diagram under the smoke evacuation system duty of the gas heater of the embodiment of the present invention.
Reference numeral:
Smoke evacuation system 100;
First pipeline 1; Outer tube 11; Interior pipe 12;
Second pipeline 2; Bend pipe 21; Straight tube 22; Tap hole 221;
Noise reduction assembly 3; Outer casing 31; First dividing plate 32; Second partition 33; 3rd dividing plate 34; First hush pipe 35; Second hush pipe 36; Tube connector 37; First expanding chamber 38; Second expanding chamber 39;
Switch gate 4.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
Describe the smoke evacuation system 100 for gas heater according to the embodiment of the present invention referring to Fig. 1, this smoke evacuation system 100 is connected for discharging flue gas with the outlet flue on the petticoat pipe of gas heater.
As shown in Figure 1, according to the smoke evacuation system 100 for gas heater of the embodiment of the present invention, comprising: the first pipeline 1, second pipeline 2, noise reduction assembly 3 and defroster.
Particularly, the first pipeline 1 is suitable for being connected with the outlet flue (not shown) on the petticoat pipe of gas heater.Have flue gas when gas water heater working constantly to produce, flue gas can enter smoke evacuation system 100 from the first pipeline 1, and then smoke evacuation system 100 pairs of flue gases are further processed.
The outlet of the second pipeline 2 is suitable for being located at outdoor.Treated flue gas finally needs outside discharge chamber, and like this, the outlet of the second pipeline 2 can be disposed in the outdoor, thus the flue gas produced during gas water heater working is entered outdoor, avoids smoke pollution indoor environment.
Noise reduction assembly 3 is connected between the first pipeline 1 and the second pipeline 2.Specifically, shown in figure 1, flue gas enters smoke evacuation system 100 by the first pipeline 1, flue gas can through noise reduction assembly 3 subsequently, noise reduction assembly 3 can reduce the sound of the most of frequency in flue gas effectively, thus noise when effectively reducing gas water heater working, the flue gas processed through noise reduction assembly 3 is discharged to outdoor eventually through the second pipeline 2.
Particularly, shown in figure 1, noise reduction assembly 3 comprises: outer casing 31, first dividing plate 32, second partition 33, the 3rd dividing plate 34, first hush pipe 35, second hush pipe 36 and tube connector 37.
The two ends of outer casing 31 go out chamber with the first pipeline 1 and the second pipeline 2 associated retainer respectively, and the first to the 3rd dividing plate 32-34 is interval setting successively on the circulating direction of air.Specifically, shown in figure 1, the lower end of outer casing 31 is connected with the first pipeline 1, the upper end of outer casing 31 is connected with the second pipeline 2, like this, chamber can be formed in the inside of outer casing 31, first dividing plate 32, second partition 33 and the 3rd dividing plate 34 can be successively set in chamber along the circulating direction of flue gas (direction from bottom to top shown in figure), thus the first expanding chamber 38 can be limited between the first dividing plate 32 and second partition 33, the second expanding chamber 39 can be limited between second partition 33 and the 3rd dividing plate 34.
Shown in figure 1, the two ends of the first hush pipe 35 are each passed through the first dividing plate 32 and second partition 33, and tube connector 37 is located on second partition 33, and the two ends of the second hush pipe 36 are each passed through second partition 33 and the 3rd dividing plate 34.Specifically, first hush pipe 35 is communicated with the first pipeline 1 and the second expanding chamber 39 through the first expanding chamber 38, tube connector 37 is communicated with the first expanding chamber 38 through second partition 33 and the second expanding chamber 39, second hush pipe 36 is communicated with the first expanding chamber 38 and the second pipeline 2 through the second expanding chamber 39.
Like this, first flue gas enters the second expanding chamber 39 by the first hush pipe 35 from the first pipeline 1, because flue gas is when entering the second expanding chamber 39, an earth pressure release can be carried out, thus sound is decayed to a certain extent, then flue gas to be turned circulation downwards due to the stop of the 3rd dividing plate 34, thus partial sound can be converted into heat through turning friction, also upset the sound frequency in flue gas simultaneously, the all directions of the sound of various frequency in the second expanding chamber 39 are caused to be launched, and then balance out the noise of major part frequency, same principle, flue gas can enter the first expanding chamber 38 further by tube connector 37, thus flue gas is through second time earth pressure release, and then sound is decayed further to a certain extent, then flue gas upwards circulates because the stop of the first dividing plate 32 can be turned, sound can be converted into heat through friction portion again, the same sound balancing out some frequency further in the first expanding chamber 38, final flue gas enters the second pipeline 2 by the second hush pipe 36.
Simultaneously with reference to shown in figure 1, the circulation area of the first hush pipe 35 can be less than the circulation area of the first pipeline 1, like this, flue gas enters the first hush pipe 35 from the first pipeline 1 can through first compression, cause sound decay to a certain degree, correspondingly, the circulation area of the second hush pipe 36 can be less than the circulation area of the second pipeline 2, like this, flue gas enters the second pipeline 2 from the second hush pipe 36 can through an earth pressure release, cause the decay to a certain degree of sound again, finally carried out effectively reducing to the noise of the flue gas entering the second pipeline 2.Wherein be understandable that, in describing the invention, the circulation area of the first hush pipe 35 is less than the circulation area of the first pipeline 1, and the circulation area referring to the first hush pipe 35 is less than the minimum flow area of the first pipeline 1.
It can thus be appreciated that, by arranging noise reduction assembly 3 in smoke evacuation system 100, effectively can carry out filtration to the noise in flue gas and offsetting, thus noise when reducing gas water heater working.
Wherein the first pipeline 1, second pipeline 2 and noise reduction assembly 3 limit the circulation path of flue gas.Defroster is used for conducting or cut-off circulation path.
Specifically, shown in figure 1, when gas water heater working, defroster (switch gate 4 such as shown in Fig. 1) circulation path of conducting flue gas under the effect of flue gas, ensure the smooth circulation of flue gas, when gas heater quits work, defroster can cut out the circulation path of flue gas, prevent outside cold air from entering in the water tank of gas heater, avoid the water in water tank to freeze the problem causing gas heater not work on.
According to the smoke evacuation system 100 for gas heater of the embodiment of the present invention, by adopting noise reduction assembly 3 and defroster to coordinate, gas heater is made to have noise little, the advantages such as anti-freeze.
In one embodiment of the invention, defroster comprises the switch gate 4 be located at rotationally in the first pipeline 1 or the second pipeline 2, and switch gate 4 often ends circulation path under gravity.Shown in figure 1, defroster can be configured to switch gate 4, switch gate 4 is arranged in the first pipeline 1 or the second pipeline 2 rotationally, like this, when gas water heater working, switch gate 4 can be opened under the effect of flue gas, ensure the circulation of flue gas, when gas heater quits work, switch gate 4 can close the first pipeline 1 or the second pipeline 2 under gravity, effectively prevents outside cold air from entering gas heater.
Further, the first pipeline 1 comprises outer tube 11 and interior pipe 12.Specifically, shown in figure 1, outer tube 11 connects with outer casing 31, a part for interior pipe 12 can extend in outer tube 11, one end of switch gate 4 is located on the periphery wall of interior pipe 12 rotationally, like this, when gas water heater working, flue gas is by interior pipe 12, under the effect of flue gas upward pressure, open switch gate 4 enter outer tube 11, circulation area due to interior pipe 12 is less than the circulation area of outer tube 11, when flue gas enters outer tube 11 from interior pipe 12, flue gas can carry out a bulbs of pressure release, thus sound is decayed to a certain extent, efficiently reduce the noise of gas heater.
In one embodiment of the invention, noise reduction assembly 3 is multiple, and multiple noise reduction assembly 3 is connected successively, and the first hush pipe 35 of two adjacent noise reduction assemblies 3 is communicated with the second hush pipe 36.Specifically, shown in figure 1, flue gas is through a noise reduction assembly 3, twice expansion decay and twice expansion counteracting can be carried out to sound, so for powerful gas heater, can arrange multiple noise reduction assembly 3, two often adjacent noise reduction assemblies 3 are connected together by the first hush pipe 35 and the second hush pipe 36, multiple noise reduction assembly 3 can improve the disposal ability to noise effectively, reduces the noise of gas heater.
Further, the shape and size of the outer casing 31 of multiple noise reduction assembly 3 are all identical.Like this, outer casing 31 production stage of different noise reduction assembly 3 can be reduced, thus improve the production efficiency of the smoke evacuation system 100 of gas heater, and be convenient to install.
In one embodiment of the invention, noise reduction assembly 3 is vertically arranged, and the second pipeline 2 comprises bend pipe 21 and straight tube 22, and the two ends of bend pipe 21 are connected with straight tube 22 with noise reduction assembly 3 respectively.Specifically, shown in figure 1, flue gas is by entering bend pipe 21 after noise reduction assembly 3, and then enter straight tube 22 by bend pipe 21 and be discharged into outdoor, like this, client reasonably can arrange the circulation path of flue gas according to the actual requirements, reduce taking up room of smoke evacuation system 100, and be convenient to install.
Further, the periphery wall of the part of the contiguous outlet of straight tube 22 is provided with multiple tap hole 221.Shown in figure 1, by the periphery wall of the part of the contiguous outlet at straight tube 22 arranges multiple tap hole 221, effectively can reduce the pressure that straight tube 22 exit is brought by flue gas, increase the service life of straight tube 22, effectively improve the utilization rate of smoke evacuation system 100.
Further, shown in figure 1, bend pipe 21 can be configured to bellows, like this, the noise entering the flue gas of bend pipe 21 can be rubbed at the ripple place of bend pipe 21, thus consumption partial sound is converted into heat further, and then significantly reduces the noise of gas heater.
In one embodiment of the invention, shown in figure 1, the first hush pipe 35, second hush pipe 36 is identical with the body radius of tube connector 37.Thus, by being configured to identical by the body radius of the first hush pipe 35, second hush pipe 36 and tube connector 37, ensure that flue gas stably flows in circulation path, effectively increasing the stability of flue gas circulation, and be convenient to smoke evacuation system 100 is installed.
In addition, the invention allows for a kind of gas heater, it comprises the above-mentioned smoke evacuation system 100 for gas heater.
Below with reference to Fig. 1, smoke evacuation system 100 operation principle for gas heater according to the specific embodiment of the invention is described.
Shown in figure 1, when gas water heater working, flue gas overcomes gravity and is opened by switch gate 4 under blower fan provides the effect of power, flue gas enters outer tube 11 from interior pipe 12, the air pressure of the flue gas a part of pressure of release that expands makes sound receive decay to a certain degree, flue gas enters the second expanding chamber 39 by the first hush pipe 35 subsequently, the air pressure of the flue gas a part of pressure of release that expands makes sound receive decay to a certain degree, then flue gas needs turning to turn around to enter tube connector 37 due to the stop of the 3rd dividing plate 34, through turning, the friction portion sound consumption of turning around is converted into heat energy, digest the noise of a part of frequency, the flue gas turned around of simultaneously turning also has upset the original sound frequency of flue gas, and then the sound of various frequency is launched in all directions of the second expanding chamber 39, the noise of some frequency of then cancelling out each other enters the first expanding chamber 38 by tube connector 37 again, same principle, the air pressure of the flue gas a part of pressure of release that expands again makes sound receive decay to a certain degree again, due to the stop of the first dividing plate 32, flue gas needs again turning to turn around, again digest the noise of a part of frequency, various sound frequency is launched in all directions of the first expanding chamber 38 simultaneously, the noise of other frequencies of then cancelling out each other, the flue gas processed is discharged into the second pipeline 2 by the second hush pipe 36, thus the air pressure of flue gas reexpands, a part of pressure of release makes sound receive decay to a certain degree, finally the audible sound composition in frequency spectrum just can be made obviously to reduce, thus the interference reduced people and injury, when gas heater quits work, switch gate 4 can close under gravity closes interior pipe 12, like this, outside cold air just cannot enter gas heater by smoke evacuation system 100, thus avoids the water in water tank to freeze and cause continuing the problem of use.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. for a smoke evacuation system for gas heater, it is characterized in that, comprising:
First pipeline, described first pipeline is suitable for being connected with the outlet flue on the petticoat pipe of described gas heater;
Second pipeline, the outlet of described second pipeline is suitable for being located at outdoor;
Noise reduction assembly, described noise reduction assembly is connected between described first pipeline and described second pipeline, described noise reduction assembly comprises outer casing, first to the 3rd dividing plate, first hush pipe, second hush pipe and communicating pipe, the two ends of described outer casing are connected to limit chamber with described second pipeline with described first pipeline respectively, described first to the 3rd dividing plate is interval setting successively on the circulating direction of air, the two ends of described first hush pipe are each passed through described first dividing plate and described second partition, described tube connector is located on described second partition, the two ends of described second hush pipe are each passed through described second partition and described 3rd dividing plate, the circulation area of wherein said first hush pipe is less than the circulation area of described first pipeline, the circulation area of described second hush pipe is less than the circulation area of described second pipeline, wherein said first pipeline, described second pipeline and described noise reduction assembly limit the circulation path of flue gas,
For conducting or the defroster ending described circulation path.
2. the smoke evacuation system for gas heater according to claim 1, it is characterized in that, described defroster comprises the switch gate be located at rotationally in described first pipeline or described second pipeline, and described switch gate often ends described circulation path under gravity.
3. the smoke evacuation system for gas heater according to claim 2, is characterized in that, described first pipeline comprises:
Outer tube, described outer tube is connected with described outer casing;
Interior pipe, described interior pipe be positioned at described outer tube at least partially, described switch gate be positioned at described outer tube and one end of described switch gate be located at described pipe rotationally periphery wall on to open or close the end of described pipe.
4. the smoke evacuation system for gas heater according to claim 1, it is characterized in that, described noise reduction assembly is multiple, and described multiple noise reduction assembly is connected successively, and described first hush pipe of adjacent two described noise reduction assemblies is communicated with described second hush pipe.
5. the smoke evacuation system for gas heater according to claim 4, is characterized in that, the shape and size of the outer casing of described multiple noise reduction assembly are all identical.
6. the smoke evacuation system for gas heater according to claim 1, is characterized in that, described noise reduction assembly is vertically arranged, and described second pipeline comprises bend pipe and straight tube, and the two ends of described bend pipe are connected with described straight tube with described noise reduction assembly respectively.
7. the smoke evacuation system for gas heater according to claim 6, is characterized in that, the periphery wall of the part of the contiguous outlet of described straight tube is provided with multiple tap hole.
8. the smoke evacuation system for gas heater according to claim 6, is characterized in that, described bend pipe is bellows.
9. the smoke evacuation system for gas heater according to claim 1, is characterized in that, described first hush pipe, described second hush pipe are identical with the body radius of described tube connector.
10. a gas heater, is characterized in that, comprises the smoke evacuation system for gas heater according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510159710.3A CN104776601A (en) | 2015-04-03 | 2015-04-03 | Smoke exhaust system for gas water heater and gas water heater with smoke exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510159710.3A CN104776601A (en) | 2015-04-03 | 2015-04-03 | Smoke exhaust system for gas water heater and gas water heater with smoke exhaust system |
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| Publication Number | Publication Date |
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| CN104776601A true CN104776601A (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510159710.3A Pending CN104776601A (en) | 2015-04-03 | 2015-04-03 | Smoke exhaust system for gas water heater and gas water heater with smoke exhaust system |
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| CN (1) | CN104776601A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322751A (en) * | 2016-08-31 | 2017-01-11 | 芜湖美的厨卫电器制造有限公司 | Flue assembly of water heater and water heater |
| CN110749100A (en) * | 2019-11-08 | 2020-02-04 | 饶杨扬 | Water heater fume extractor for high-rise building |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029586A (en) * | 2006-02-28 | 2007-09-05 | 本田技研工业株式会社 | Vehicle exhausting device |
| CN201387148Y (en) * | 2009-03-23 | 2010-01-20 | 美的集团有限公司 | Anti-freezing device for gas water heater |
| CN201892316U (en) * | 2010-11-29 | 2011-07-06 | 福建省江南电器制造有限公司 | Smoke exhaust pipe of balance type gas water heater |
| CN202419936U (en) * | 2012-01-09 | 2012-09-05 | 广东万和新电气股份有限公司 | Gas water heater with antifreezing alarm function |
| CN103727676A (en) * | 2013-12-02 | 2014-04-16 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN104314642A (en) * | 2014-10-11 | 2015-01-28 | 诸城市海得威机械有限公司 | Resonant exhausting silencer |
| CN204535108U (en) * | 2015-04-03 | 2015-08-05 | 芜湖美的厨卫电器制造有限公司 | For gas heater smoke evacuation system and there is its gas heater |
-
2015
- 2015-04-03 CN CN201510159710.3A patent/CN104776601A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029586A (en) * | 2006-02-28 | 2007-09-05 | 本田技研工业株式会社 | Vehicle exhausting device |
| CN201387148Y (en) * | 2009-03-23 | 2010-01-20 | 美的集团有限公司 | Anti-freezing device for gas water heater |
| CN201892316U (en) * | 2010-11-29 | 2011-07-06 | 福建省江南电器制造有限公司 | Smoke exhaust pipe of balance type gas water heater |
| CN202419936U (en) * | 2012-01-09 | 2012-09-05 | 广东万和新电气股份有限公司 | Gas water heater with antifreezing alarm function |
| CN103727676A (en) * | 2013-12-02 | 2014-04-16 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN104314642A (en) * | 2014-10-11 | 2015-01-28 | 诸城市海得威机械有限公司 | Resonant exhausting silencer |
| CN204535108U (en) * | 2015-04-03 | 2015-08-05 | 芜湖美的厨卫电器制造有限公司 | For gas heater smoke evacuation system and there is its gas heater |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322751A (en) * | 2016-08-31 | 2017-01-11 | 芜湖美的厨卫电器制造有限公司 | Flue assembly of water heater and water heater |
| CN110749100A (en) * | 2019-11-08 | 2020-02-04 | 饶杨扬 | Water heater fume extractor for high-rise building |
| CN110749100B (en) * | 2019-11-08 | 2021-06-22 | 绍兴盛坤机械科技有限公司 | Water heater fume extractor for high-rise building |
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Application publication date: 20150715 |