CN108006730B - Smoke exhaust fan and smoke exhaust system for gas water heater and gas water heater - Google Patents
Smoke exhaust fan and smoke exhaust system for gas water heater and gas water heater Download PDFInfo
- Publication number
- CN108006730B CN108006730B CN201611205321.0A CN201611205321A CN108006730B CN 108006730 B CN108006730 B CN 108006730B CN 201611205321 A CN201611205321 A CN 201611205321A CN 108006730 B CN108006730 B CN 108006730B
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- Prior art keywords
- smoke
- water heater
- gas water
- impeller
- motor
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- 239000000779 smoke Substances 0.000 title claims abstract description 136
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000001816 cooling Methods 0.000 claims abstract description 55
- 238000005086 pumping Methods 0.000 claims abstract description 25
- 238000005192 partition Methods 0.000 claims abstract description 18
- 230000000391 smoking effect Effects 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 60
- 238000002485 combustion reaction Methods 0.000 claims description 21
- 239000003517 fume Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 230000017525 heat dissipation Effects 0.000 abstract description 11
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 26
- 239000003546 flue gas Substances 0.000 description 26
- 238000002955 isolation Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
-
- 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
- F24H9/0005—Details for water heaters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a smoke exhaust fan and a smoke exhaust system for a gas water heater and the gas water heater, wherein the smoke exhaust fan comprises: the shell is provided with a smoke inlet, a cooling air inlet and a smoke outlet; the impeller is rotatably arranged in the shell, two end surfaces of the impeller respectively form a smoke suction port and an air suction port, and the peripheral surface of the impeller forms an air supply port; a partition plate for separating the smoking opening and the suction opening; the motor is positioned at the cooling air inlet, wherein the difference value between the radius of the cooling air inlet and the maximum radius of the outer contour of the motor is a first pumping force adjusting value A with adjustable size, and the distance between the motor and the cooling air inlet in the axial direction of the motor is a second pumping force adjusting value B with adjustable size. The smoke exhaust fan for the gas water heater provided by the embodiment of the invention not only can realize the strong extraction and discharge of smoke, but also can realize the heat dissipation of a motor, and has the advantages of simple structure, low cost, good heat dissipation effect, long service life, adjustable cooling air pumping force and the like.
Description
Technical Field
The invention relates to the technical field of electric appliance manufacturing, in particular to a smoke exhaust fan for a gas water heater, a smoke exhaust system for the gas water heater with the smoke exhaust fan for the gas water heater and the gas water heater with the smoke exhaust system for the gas water heater.
Background
When the forced-suction gas water heater works, the motor shaft of the smoke exhaust fan is heated by high-temperature smoke, and the service life of the motor can be influenced by the too high temperature, so that the motor must be effectively radiated.
In the related art, a forced air cooling mode is generally adopted for heat dissipation, specifically, a heat dissipation fan is additionally arranged for forced air cooling, so that the motor can be cooled, but the heat dissipation effect is not ideal, and the cooling of the motor is limited.
Disclosure of Invention
The present invention aims to solve at least one of the above-mentioned technical problems in the related art to some extent. Therefore, the invention provides the smoke exhaust fan for the gas water heater, which not only can realize the strong exhaust of smoke, but also can realize the heat dissipation of a motor, and has the advantages of simple structure, low cost, good heat dissipation effect, long service life, adjustable cooling air pumping force and the like.
The invention also provides a smoke exhaust system with the smoke exhaust fan for the gas water heater.
The invention also provides a gas water heater with the smoke exhausting system for the gas water heater.
To achieve the above object, an embodiment according to a first aspect of the present invention proposes a smoke exhaust fan for a gas water heater, the smoke exhaust fan for a gas water heater comprising: the shell is provided with a smoke inlet, a cooling air inlet and a smoke outlet; the impeller is rotatably arranged in the shell, two end surfaces of the impeller respectively form a smoke suction opening facing the smoke inlet and a suction opening facing the cooling air inlet, and the outer circumferential surface of the impeller forms a wind supply opening facing the smoke outlet; the baffle is arranged in the impeller and separates the smoking opening from the air suction opening; the motor is arranged on the shell and is positioned at the cooling air inlet, the motor is in transmission connection with the impeller, the difference value between the radius of the cooling air inlet and the maximum radius of the outer contour of the motor is a first pumping force adjusting value A with adjustable size, and the distance between the motor and the cooling air inlet in the axial direction of the motor is a second pumping force adjusting value B with adjustable size.
The smoke exhaust fan for the gas water heater provided by the embodiment of the invention not only can realize the strong extraction and discharge of smoke, but also can realize the heat dissipation of a motor, and has the advantages of simple structure, low cost, good heat dissipation effect, long service life, adjustable cooling air pumping force and the like.
In addition, the smoke exhaust fan for the gas water heater according to the embodiment of the invention can also have the following additional technical characteristics:
according to one embodiment of the invention, the cooling air inlet is an inner flanging hole, and the second suction adjusting value B is a distance between the motor and an inner end surface of the inner flanging of the cooling air inlet in an axial direction thereof.
According to one embodiment of the invention, the ratio of the outer diameter R0 of the partition to the outer diameter R1 of the impeller is 1/3-1.
According to one embodiment of the invention, the distance between the partition and the suction opening in the axial direction of the impeller is greater than the distance between the partition and the suction opening.
According to one embodiment of the invention, the relative position of the diaphragm and the impeller is fixed for rotation with the impeller.
According to one embodiment of the invention, the casing is provided with a volute structure, the flue gas inlet and the cooling air inlet are respectively arranged on two end faces of the casing, and the opening of the flue gas outlet faces upwards.
According to one embodiment of the invention, the distance between the impeller and the casing increases gradually in the circumferential direction of the casing in the direction of the flue gas outlet.
An embodiment according to a second aspect of the present invention proposes a smoke evacuation system for a gas water heater, the smoke evacuation system for a gas water heater comprising: a fume collecting hood for rectifying fume; the smoke exhaust fan is used for guiding smoke in the smoke collecting cover to be exhausted, the smoke exhaust fan is used for a gas water heater according to the embodiment of the first aspect of the invention, the smoke exhaust fan is arranged on the smoke collecting cover, the smoke inlet faces towards the inside of the smoke collecting cover, and the cooling air inlet faces towards the outside of the smoke collecting cover.
According to the smoke exhaust system for the gas water heater, the smoke exhaust fan for the gas water heater has the advantages of being simple in structure, low in cost, good in heat dissipation effect, long in service life, adjustable in motor cooling efficiency and the like.
An embodiment according to a third aspect of the present invention proposes a gas water heater comprising: a heat exchange system; a combustion system for heating the heat exchange system; a smoke exhaust system for exhausting smoke generated by the combustion system, wherein the smoke exhaust system is the smoke exhaust system for the gas water heater according to the embodiment of the first aspect of the invention.
According to the embodiment of the invention, the smoke exhaust system for the gas water heater has the advantages of simple structure, low cost, long service life, adjustable motor cooling efficiency and the like.
According to one embodiment of the invention, the gas water heater further comprises: the combustion heat exchange cavity, the heat exchange system and the combustion system are arranged in the combustion heat exchange cavity, and the fume collecting hood is arranged at the top of the combustion heat exchange cavity.
Drawings
Fig. 1 is a schematic structural view of a gas water heater according to an embodiment of the present invention.
Fig. 2 is a lengthwise cross-sectional view of a smoke evacuation system for a gas water heater according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view in a width direction of a smoke exhaust system for a gas water heater according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of an impeller and a partition plate of a smoke exhaust fan for a gas water heater according to an embodiment of the present invention.
Reference numerals:
a gas water heater 1,
Heat exchange system 10, combustion system 20, smoke evacuation system 30, combustion heat exchange cavity 40,
Fume collecting hood 100,
A smoke exhaust fan 200,
A casing 210, a flue gas inlet 211, a cooling air inlet 212, a flue gas outlet 213,
Impeller 220, smoke suction port 221, air suction port 222, air supply port 223,
A separator 230,
Motor 240, motor shaft 241.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
A smoke exhaust fan 200 for a gas water heater according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the smoke exhaust fan 200 for a gas water heater according to an embodiment of the present invention includes a housing 210, an impeller 220, a partition 230, and a motor 240.
The housing 210 is provided with a flue gas outlet 213, a cooling air inlet 212 and a flue gas outlet 213. The impeller 220 is rotatably disposed in the casing 210, and both end surfaces of the impeller 220 respectively form a smoke suction port 221 facing the smoke inlet 211 and a suction port 222 facing the cooling air inlet 212, and an outer peripheral surface of the impeller 220 forms a wind supply port 223 facing the smoke outlet 213, in other words, the impeller 220 is a double suction impeller. A partition 230 is provided within the impeller 220 and separates the suction inlet 221 from the suction inlet 222. A motor 240 is mounted on the housing 210 at the cooling air inlet 212 such that the motor 240 and the air suction opening 221 are separated by a partition 230, and the motor 240 is drivingly connected to the impeller 220 for driving the impeller 220 to rotate.
The difference between the radius of the cooling air inlet 212 and the maximum radius of the outer contour of the motor 240 is a first pumping force adjusting value a with adjustable magnitude, and the distance between the motor 240 and the cooling air inlet 212 in the axial direction of the motor 240 is a second pumping force adjusting value B with adjustable magnitude.
The operation of the smoke exhaust fan 200 for a gas water heater according to an embodiment of the present invention will be described with reference to the accompanying drawings.
The motor 240 is operated to drive the impeller 220 to rotate, the impeller 220 rotates to suck air, high-temperature flue gas is sucked by the smoke suction opening 221 through the flue gas inlet 211, ambient cold air is sucked by the air suction opening 222 through the cooling air inlet 212 and passes through the motor 240 in the sucked process, so that the motor 240 and a motor shaft 241 thereof are cooled, and the sucked high-temperature flue gas and the ambient cold air are sent to the flue gas outlet 213 through the air supply opening 223 and are mixed and discharged. Wherein, the baffle 230 is disposed between the smoke suction port 221 and the air suction port 222, and the high temperature smoke is blocked by the baffle 230 from contacting the motor 240 and the motor shaft 241 thereof after entering from the smoke inlet 211.
According to the smoke exhaust fan 200 for the gas water heater, provided by the embodiment of the invention, through arranging the impeller 220 with the smoke exhaust port 221 and the air suction port 222, smoke is sucked on one side to guide the smoke to be discharged by utilizing the double-suction principle, and ambient cold air is sucked on the other side to cool the motor 240 and the motor shaft 241 thereof, so that forced smoke exhaust can be realized, the motor 240 can be cooled, and an additional cooling fan is not required to be arranged, so that the structure is simplified, and the cost is reduced. And, through setting up baffle 230 in impeller 220, realize motor 240 and high temperature flue gas's isolation, reduce the direct heating of high temperature flue gas to motor 240, reach the purpose of cooling, further improved the cooling effect to motor 240. In addition, by setting the difference between the radius of the cooling air inlet 212 and the maximum radius of the outer contour of the motor 240 to be a first pumping force adjusting value a with adjustable size, and setting the distance between the motor 240 and the cooling air inlet 212 in the axial direction of the motor 240 to be a second pumping force adjusting value B with adjustable size, the magnitude of the pumping force of the ambient cold air can be controlled by jointly controlling the magnitude of the first pumping force adjusting value a and the second pumping force adjusting value B, and thus the air inflow of the ambient cold air can be controlled.
The smoke exhaust fan 200 for the gas water heater can realize the strong extraction and discharge of smoke, can realize the heat radiation of a motor, and has the advantages of simple structure, low cost, good heat radiation effect, long service life, adjustable cooling air pumping force and the like.
A smoke exhaust fan 200 for a gas water heater according to an embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the smoke exhaust fan 200 for a gas water heater according to an embodiment of the present invention includes a housing 210, an impeller 220, a partition 230, and a motor 240.
Further, as shown in fig. 3, the cooling air inlet 212 is an inner flange hole, and the second draft adjustment value B is a distance between the motor 240 and an inner end surface of the inner flange of the cooling air inlet 212 in an axial direction thereof.
Specifically, the first draft adjustment value a is positive, indicating that the radius of the cooling air inlet 212 is greater than the maximum radius of the outer profile of the motor 240; when the first draft adjustment value a is negative, it indicates that the maximum radius of the outer profile of the motor 240 is greater than the radius of the cooling air inlet 212.
The second draft adjustment value B is positive, indicating that the motor 240 is located outside the housing 210; when the second draft adjustment value B is negative, it indicates that the motor 240 is located inside the housing 210.
When the first pumping force adjusting value A is negative, the second pumping force adjusting value B can be positive only, and the magnitude of the cooling air pumping force is controlled by adjusting the magnitude of the second pumping force adjusting value B.
When the first pumping force regulating value A is positive, the second pumping force regulating value B can be positive or negative, and the magnitude of the cooling air pumping force is controlled by regulating the magnitude of the first pumping force regulating value A.
Optionally, the relative positions of the baffle 230 and the impeller 220 are fixed, i.e., the baffle 230 is fixedly installed in the impeller 220, so that the baffle 230 rotates with the impeller 220, thereby ensuring the stability of the impeller 220 and the baffle 230, and thus ensuring the isolation effect of the baffle 230 against high-temperature flue gas.
In some embodiments of the present invention, as shown in fig. 2, the partition 230 is a circular plate adapted to the shape of the impeller 220, and the ratio of the outer diameter R0 of the partition 230 to the outer diameter R1 of the impeller 220 is 1/3-1, so that the isolation effect on the high temperature flue gas can be further improved, the temperature rise of the motor 240 can be reduced, and the structural size of the smoke exhaust fan 200 can be reduced.
Advantageously, as shown in fig. 3 and 4, the distance between the partition 230 and the suction port 221 in the axial direction of the impeller 220 is greater than the distance between the partition 230 and the suction port 222, that is, the partition 230 is located further adjacent to the suction port 222 than the suction port 221. This can ensure the discharge efficiency and the discharge amount of the smoke while ensuring the cooling effect of the ambient cold air on the motor 240.
In some embodiments of the present invention, as shown in fig. 2, the casing 210 has a volute structure, i.e., the casing 210 is substantially shaped like a snail shell, the flue gas inlet 211 is disposed on one end surface of the casing 210 and corresponds to the position of the smoke suction port 221, the cooling air inlet 212 is disposed on the other end surface of the casing 210 and corresponds to the position of the air suction port 222, and the opening of the flue gas outlet 213 is upward. Thereby, the high-temperature flue gas can be conveniently sucked into the flue gas inlet 211, the cooling air inlet 212 can conveniently suck the ambient cold air, the installation of the smoke exhaust fan 200 and the isolation of the high-temperature flue gas and the motor 240 are facilitated, and the sucked high-temperature flue gas and the ambient cold air can be smoothly discharged from the flue gas outlet 213.
Further, as shown in fig. 2, the distance between the outer circumferential surface of the impeller 220 and the inner circumferential surface of the casing 210 gradually increases in the circumferential direction of the casing 210 toward the smoke outlet 213, and the impeller 220 is located adjacent to one side of the inner circumferential surface of the casing 210 at the smoke outlet 213 and away from the other side of the inner circumferential surface of the casing 210 at the smoke outlet 213. The sucked high-temperature flue gas and ambient cold air are sent out to the casing 210 by the outer peripheral surface of the impeller 220, and move along the circumferential direction of the casing 210 under the guidance of the inner peripheral surface of the casing 210, and finally are discharged by the flue gas outlet 213, the interval between the impeller 220 and the casing 210 is set to combine the air distribution of the high-temperature flue gas and the ambient cold air in the whole discharging process, namely, the interval between the small part of the air quantity and the large part of the air quantity is small, so that the fluency of the high-temperature flue gas and the ambient cold air in the whole discharging process is ensured.
A smoke evacuation system 30 for a gas water heater according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1-3, a smoke evacuation system 30 for a gas water heater according to an embodiment of the present invention includes a smoke collection hood 100 and a smoke evacuation fan 200.
The fume collection hood 100 is used to rectify the fume. The smoke exhaust fan 200 is used for guiding smoke in the smoke collecting hood 100 to be exhausted, the smoke exhaust fan 200 is installed on the smoke collecting hood 100, for example, the casing 210 is installed on the smoke collecting hood 100, the smoke inlet 211 faces the inside of the smoke collecting hood 100 to suck high-temperature smoke when the motor 240 operates, and the cooling wind inlet 212 faces the outside of the smoke collecting hood 100 to suck ambient cold wind when the motor 240 operates.
The smoke exhaust system 30 for the gas water heater according to the embodiment of the invention has the advantages of simple structure, low cost, good heat dissipation effect, long service life, adjustable motor cooling efficiency and the like by utilizing the smoke exhaust fan 200 for the gas water heater according to the embodiment of the invention.
The gas water heater 1 according to the embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1, a gas water heater 1 according to an embodiment of the present invention includes a heat exchange system 10, a combustion system 20, and a smoke evacuation system 30.
The combustion system 20 is used to heat the heat exchange system 10. The smoke evacuation system 30 is used to evacuate smoke generated by the combustion system 20.
The gas water heater 1 according to the embodiment of the invention has the advantages of simple structure, low cost, long service life, adjustable motor cooling efficiency and the like by utilizing the smoke discharging system 30 for the gas water heater according to the embodiment of the invention.
Further, as shown in fig. 1, the gas water heater 1 further includes a combustion heat exchange cavity 40, the heat exchange system 10 and the combustion system 20 are disposed in the combustion heat exchange cavity 40, and the fume collecting hood 100 is installed on top of the combustion heat exchange cavity 40. Therefore, not only can the heat loss be reduced, but also the smoke can be prevented from flowing to the inside of the gas water heater 1, and the smoke emission effect is ensured.
Other constructions and operations of the gas water heater 1 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (10)
1. A smoke exhaust ventilator for a gas water heater, comprising:
the shell is provided with a smoke inlet, a cooling air inlet and a smoke outlet;
the impeller is rotatably arranged in the shell, two end surfaces of the impeller respectively form a smoke suction opening facing the smoke inlet and a suction opening facing the cooling air inlet, and the outer circumferential surface of the impeller forms a wind supply opening facing the smoke outlet;
the baffle is arranged in the impeller and separates the smoking opening from the air suction opening;
the motor is arranged on the shell and positioned at the cooling air inlet, the motor is in transmission connection with the impeller,
the difference between the radius of the cooling air inlet and the maximum radius of the outer contour of the motor is a first pumping force adjusting value A with adjustable size, and the distance between the motor and the cooling air inlet in the axial direction of the motor is a second pumping force adjusting value B with adjustable size.
2. The smoke evacuation fan for a gas water heater as claimed in claim 1, wherein said cooling air inlet is an inner flange hole, and said second draft adjustment value B is a distance between said motor and an inner end surface of said inner flange of said cooling air inlet in an axial direction thereof.
3. The smoke exhaust ventilator for a gas water heater according to claim 1, wherein the ratio of the outer diameter R0 of the partition plate to the outer diameter R1 of the impeller is 1/3 to 1.
4. The smoke evacuation fan for a gas water heater as claimed in claim 1, wherein a distance between said partition and said smoke suction port is greater than a distance between said partition and said air suction port in an axial direction of said impeller.
5. The smoke evacuation fan for a gas water heater of claim 1 wherein the relative position of said partition and said impeller is fixed for rotation with said impeller.
6. The smoke exhaust ventilator for a gas water heater according to claim 1, wherein the housing has a volute structure, the smoke inlet and the cooling air inlet are provided at both end surfaces of the housing, respectively, and the opening of the smoke outlet is upward.
7. The smoke evacuation fan for a gas water heater of claim 6, wherein the distance between said impeller and said housing increases gradually in the circumferential direction of said housing in the direction of said smoke outlet.
8. A smoke evacuation system for a gas water heater, comprising:
a fume collecting hood for rectifying fume;
a smoke exhaust fan for guiding smoke in the smoke collecting hood, wherein the smoke exhaust fan is a smoke exhaust fan for a gas water heater according to any one of claims 1-7, the smoke exhaust fan is arranged on the smoke collecting hood, the smoke inlet faces the inside of the smoke collecting hood, and the cooling air inlet faces the outside of the smoke collecting hood.
9. A gas water heater, comprising:
a heat exchange system;
a combustion system for heating the heat exchange system;
a smoke evacuation system for evacuating smoke generated by the combustion system, the smoke evacuation system being the smoke evacuation system for a gas water heater according to claim 8.
10. The gas water heater as recited in claim 9, further comprising:
the combustion heat exchange cavity, the heat exchange system and the combustion system are arranged in the combustion heat exchange cavity, and the fume collecting hood is arranged at the top of the combustion heat exchange cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611205321.0A CN108006730B (en) | 2016-12-23 | 2016-12-23 | Smoke exhaust fan and smoke exhaust system for gas water heater and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611205321.0A CN108006730B (en) | 2016-12-23 | 2016-12-23 | Smoke exhaust fan and smoke exhaust system for gas water heater and gas water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108006730A CN108006730A (en) | 2018-05-08 |
| CN108006730B true CN108006730B (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611205321.0A Active CN108006730B (en) | 2016-12-23 | 2016-12-23 | Smoke exhaust fan and smoke exhaust system for gas water heater and gas water heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN108006730B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375349B (en) * | 2019-06-27 | 2021-05-18 | 宁波方太厨具有限公司 | Side-draft range hood |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335094Y (en) * | 1998-02-19 | 1999-08-25 | 高景绪 | Exhauster for gas water-heater |
| CN103486057A (en) * | 2013-09-29 | 2014-01-01 | 李锡坚 | Centrifugal fan and smoke collection and discharge device applying same |
| CN205225803U (en) * | 2015-12-24 | 2016-05-11 | 云南贵鼓风机有限公司 | Air -blower that radiating effect is good |
| CN106152479A (en) * | 2016-08-26 | 2016-11-23 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN206398805U (en) * | 2016-12-23 | 2017-08-11 | 芜湖美的厨卫电器制造有限公司 | Smoke exhaust fan and smoke evacuation system and gas heater for gas heater |
-
2016
- 2016-12-23 CN CN201611205321.0A patent/CN108006730B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335094Y (en) * | 1998-02-19 | 1999-08-25 | 高景绪 | Exhauster for gas water-heater |
| CN103486057A (en) * | 2013-09-29 | 2014-01-01 | 李锡坚 | Centrifugal fan and smoke collection and discharge device applying same |
| CN205225803U (en) * | 2015-12-24 | 2016-05-11 | 云南贵鼓风机有限公司 | Air -blower that radiating effect is good |
| CN106152479A (en) * | 2016-08-26 | 2016-11-23 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN206398805U (en) * | 2016-12-23 | 2017-08-11 | 芜湖美的厨卫电器制造有限公司 | Smoke exhaust fan and smoke evacuation system and gas heater for gas heater |
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| Publication number | Publication date |
|---|---|
| CN108006730A (en) | 2018-05-08 |
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