CN220319952U - Fan assembly with silencing cover and gas water heater - Google Patents
Fan assembly with silencing cover and gas water heater Download PDFInfo
- Publication number
- CN220319952U CN220319952U CN202321952523.7U CN202321952523U CN220319952U CN 220319952 U CN220319952 U CN 220319952U CN 202321952523 U CN202321952523 U CN 202321952523U CN 220319952 U CN220319952 U CN 220319952U
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- air inlet
- silencing cover
- fan
- air
- cover
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- 230000030279 gene silencing Effects 0.000 title claims abstract description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 241000886569 Cyprogenia stegaria Species 0.000 claims abstract description 12
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 20
- 238000002485 combustion reaction Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 241000255925 Diptera Species 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of kitchen electricity, in particular to a fan assembly with a silencing cover and a gas water heater, wherein the fan assembly with the silencing cover comprises a fan shell, a fan cover and a gas water heater, wherein the fan shell is provided with an air inlet for air flow to enter and an air outlet for discharging the air flow to enter; the first silencing cover is used for blocking airflow to flow and covers the air inlet, and a plurality of silencing covers are arranged on the silencing cover: the air supply flow enters a first inflow hole in the fan shell; the second amortization cover, its suit is in the periphery of first amortization cover, and is equipped with a plurality of on the second amortization cover: the supply air flow enters the second inlet hole of the first inlet hole. According to the fan assembly with the silencing cover, the silencing cover is arranged, so that the running noise of the impeller is prevented from being transmitted, the user experience is optimized, meanwhile, the air flow sucked into the fan can be filtered, impurities in the air flow are prevented from entering the fan, and the service life of the fan is prolonged.
Description
Technical Field
The utility model relates to the technical field of kitchen electricity, in particular to a fan assembly with a silencing cover and a gas water heater.
Background
The gas water heater is the most convenient and economic device for quickly heating water at present, has high energy conversion efficiency, saves more energy compared with an electric water heater, and meets the requirement of double carbon.
The forced exhaust gas water heater is widely used as one of the gas water heaters, and is divided into an exhaust gas water heater and a blast gas water heater according to different exhaust modes.
The existing forced-air (blowing) type gas water heater has the main function that the fan is arranged below the burner and is used for providing combustion-supporting oxygen for a combustion system, and the air inlet of the fan is open and free from shielding. During use, it was found that: because of the open structure of the air inlet of the fan, impurities and mosquitoes are easily sucked into the fan and the combustion system in the operation process of the fan, so that the combustion system is blocked, and the service life of the gas water heater is damaged; on the other hand, the running noise of the fan impeller is easily transmitted outwards from the open air inlet, so that the user experience is poor.
Disclosure of Invention
One of the purposes of the utility model is to provide a fan assembly with a silencing cover, which aims at overcoming the defects of the prior art, and by arranging the silencing cover, the running noise of an impeller is prevented from being transmitted, so that the user experience is optimized, the air flow sucked into the fan can be filtered, the impurities in the air flow are prevented from entering the fan, and the service life of the fan is prolonged.
The second object of the present utility model is to provide a gas water heater having the fan assembly with the noise reduction cover.
The technical solution of the utility model is as follows:
a fan assembly with a sound attenuating cap, comprising:
a fan housing having an air inlet through which an air flow enters and an air outlet through which the air flow enters is discharged;
the first silencing cover is used for blocking airflow to flow and covers the air inlet, and a plurality of silencing covers are arranged on the first silencing cover: the air supply flow enters a first air inlet hole in the fan shell;
the second amortization cover, its suit in the periphery of first amortization cover, just be equipped with a plurality of on the second amortization cover: the air supply flow enters the second inlet hole of the first inlet hole.
In the scheme, the requirements of airflow filtration and noise blocking exist based on the open structure of the air inlet of the fan, the silencing cover with the inflow hole is arranged to cover the air inlet, so that the air inlet requirement is met, meanwhile, the air flow can be screened and filtered through the size of the inflow hole, impurities in the air flow are filtered, the impurities in the air flow are prevented from entering the fan, and the service life of the fan is prolonged; noise that still can pass through the noise reduction cover and not set up the barrier of inlet hole part and carry out the separation to the noise that spreads out from the air intake to weaken the noise value that spreads out, optimize user experience.
Meanwhile, in the scheme, the first silencing cover and the second silencing cover are arranged to form a multi-layer structure, so that double-layer filtering can be carried out on air flow, and the filtering effect on the air flow is further improved; the double-layer attenuation can be carried out on the noise so as to better attenuate the noise transmission.
Further preferably, the first silencing cover is arranged on the outer side of the fan shell.
Further preferably, the first silencing cover is convexly disposed on one side of the air inlet, and an interval between the first silencing cover and the air inlet is formed with: and the drainage cavity is communicated with the first inflow hole and the air inlet.
Further preferably, the end of the first silencing cover, which is close to the air inlet, is provided with a first inclined guide wall, and the first inclined guide wall guides the air flow in the guide cavity to enter the air inlet.
Further preferably, the first silencing cover is located at one end far away from the air inlet: and a portion protruding toward the air inlet to form a first drainage groove at the end.
Further preferably, the second silencing cover is located at an end far away from the air inlet: and a portion protruding toward the air inlet to form a second drainage groove at the end.
Further preferably, a drainage part for guiding the air flow into the air inlet is arranged in the air inlet.
Further as the preferred scheme, be connected with the air inlet board between fan casing and the first amortization cover, the air inlet board is equipped with counterpoint intercommunication the air inlet board area flow hole of air intake, drainage portion by the edge turn-ups in air inlet board area flow hole forms.
Further preferably, the first silencing cover and/or the second silencing cover are/is detachably connected to the fan housing.
A gas water heater comprising a fan assembly with a noise dampening cover as described in any of the above aspects.
The technical scheme has the main beneficial effects that:
when the air inlet requirement is met, the air flow can be screened and filtered through the size of the air inlet hole, impurities in the air flow are prevented from entering the fan, and the service life of the fan is prolonged; noise that still can pass through the amortization cover is kept away from the air intake outgoing to weaken the noise value of outgoing, optimize user experience. Especially when the fan assembly is used for the gas water heater, the service life of the gas water heater can be prolonged.
Further or more detailed benefits will be described in connection with specific embodiments.
Drawings
The utility model is further described with reference to the accompanying drawings:
FIG. 1 is a schematic cross-sectional view of an overall assembly of a blower assembly.
FIG. 2 is a schematic diagram of an overall assembly of a fan assembly.
Fig. 3 is a schematic view of the structure of the first muffler cover.
Fig. 4 is a schematic view of a second muffler cover.
FIG. 5 is a schematic diagram of a gas water heater.
The figure shows: fan assembly-a, fan housing-a 1, intake-a 101, drain-a 1011, outlet-a 102, first muffler-a 2, first intake-hole-a 201, first guide-wall-a 202, first drain-groove-a 203, first cylinder wall-a 204, first face-wall-a 205, first flange-a 206, second muffler-a 3, second intake-hole-a 301, second guide-wall-a 302, second intake-groove-a 303, second straight-cylinder wall-a 304, second face-wall-a 305, second flange-a 306, intake plate-a 4, intake plate first intake-hole-a 401, impeller-a 5, driving device-a 6, water heater housing-b, burner-c, heat exchanger-d.
Detailed Description
The utility model is illustrated by the following examples in which:
embodiment one:
a fan assembly is provided for providing oxygen for combustion supporting to a burner system in a strong drum type (blast type) gas water heater.
The strong-drum (blowing) gas water heater comprises a water heater shell b, a fan assembly a, a burner c and a heat exchanger d which are arranged in the water heater shell b, as shown in figure 5.
Specifically, as shown in fig. 5, inside the water heater housing b, a fan assembly a, a burner c and a heat exchanger d are sequentially communicated from bottom to top. The fan assembly a comprises a fan shell a1, a rotatable impeller a5 is arranged in the fan shell a1, and the impeller a5 is connected with a rotating shaft of a driving device a6 (such as a rotating motor) so that the driving device a6 can drive the impeller a5 to rotate in the fan shell a 1. The fan housing a1 has an air inlet a101 into which the air flow enters, and an air outlet a102 through which the air flow enters is discharged, and the air outlet a102 communicates with the burner c.
When the fan assembly a works, external air is introduced from the air inlet a101 through the rotation of the impeller a5 and flows through the inside of the fan shell a1, and then is discharged from the air outlet a102 to the combustor c for combustion of the combustor c, and high-temperature flue gas formed by combustion of the combustor c is conveyed to the heat exchanger d, subjected to heat exchange with materials in the heat exchanger d, and discharged outwards.
Because of the air inlet requirement of the fan assembly a, an air inlet a101 on the fan shell a1 is generally of an open structure, so that impurities and mosquitoes are easily sucked into the fan and the combustion system in the operation process of the fan assembly a, the combustion system is blocked, and the service life of the gas water heater is damaged; on the other hand, the operation noise of the impeller a5 is easily transmitted to the outside from the open air inlet a101, resulting in poor user experience.
Based on this, one of the main improvements in the present embodiment is to add a muffler cover.
As shown in fig. 1 to fig. 4, the first silencing cover a2 blocks the airflow from flowing and covers the air inlet a101, and a plurality of silencing covers a2 are provided with: the air flow enters the fan housing a1 and is screened and filtered through the first inlet opening a201. Meanwhile, the second silencing cover a3 is sleeved on the periphery of the first silencing cover a2, and a plurality of silencing covers are arranged on the second silencing cover a 3: the air flow enters the first inlet hole a201 and the second inlet hole a301 for screening and filtering the air flow.
Specifically, the end of the first silencing cover a2 near the air inlet a101 is provided with a first flange portion a206, for example, screws are used to detachably connect the flange portion-a 206 to the fan housing a1, so that the fan housing a1 can provide stable support for the first silencing cover a2, and the first silencing cover a2 is convenient to detach and clean. After the connection, the first flange portion a206 is attached to the fan housing a1, so as to improve connection stability.
Similarly, a second flange portion a306 is disposed at an end, close to the air inlet a101, of the second silencing cover a3, for example, a screw is used to detachably connect the flange portion-a 206 to the fan housing a1, so that the fan housing a1 can provide stable support for the second silencing cover a3, and the second silencing cover a3 is convenient to detach, replace and clean. The first and second muffler covers a2 and a3 may be fixed by the same screw. After the connection, the second flange portion a306 is attached to the fan housing a1 or attached to the first flange portion a206, so as to improve connection stability.
Therefore, the silencing cover with the inflow hole is arranged to cover the air inlet a101, so that the air inlet requirement is met, and meanwhile, the air flow can be screened and filtered through the size of the inflow hole, impurities in the air flow are filtered, the impurities in the air flow are prevented from entering the fan, and the service life of the fan is prolonged; noise that the noise cover did not set up first inlet opening a201 part can also block from air intake a101 outgoing to weaken the noise value that the outgoing, optimize user experience. Particularly, the first silencing cover a2 and the second silencing cover a3 are arranged to form a multi-layer structure, so that double-layer filtering can be carried out on air flow, and the filtering effect on the air flow is further improved; the double-layer attenuation can be carried out on the noise so as to better attenuate the noise transmission.
The fan assembly a with the silencing cover is applied to the forced-air type blast gas water heater, impurities in air flow can be prevented from entering the combustor c through the inside of the fan assembly a, the possibility of blocking a combustion system due to the impurities is reduced, combustion stability is kept, and the service life of the gas water heater can be prolonged.
As for the first muffler cover a2, fig. 1, fig. 2, and fig. 3 show.
Based on the limitation of the internal space of the fan housing a1 and the installation and movement requirements of the impeller a5, the first silencing cover a2 in the embodiment is arranged on the outer side of the fan housing a1 so as to avoid interference influence on the impeller a 5.
As shown in fig. 1, in order to increase the air intake area to ensure a stable air intake amount, the first silencing cover a2 in the present embodiment is preferably disposed at one side of the air intake a101 in a protruding manner; specifically, as shown in fig. 3, the structure is a cover structure formed by connecting an annular first guide wall a202, an annular first straight cylinder wall a204 and an annular first surface flow wall a205, the air inlet a101 is covered on the air inlet side of the air inlet a101, and a space between the first silencing cover a2 and the air inlet a101 is formed with: a drainage cavity communicating the first inflow hole a201 with the air inlet a 101.
As shown in fig. 1, the first guide wall a202 of the first silencing cover a2 near one end of the air inlet a101 is preferably inclined, so as to guide the air flow in the guide cavity to enter the air inlet a101 more smoothly, and ensure stable and smooth air intake.
The end of the first silencing cover a2 far away from the air inlet a101 can be a flat end opposite to the air inlet a101, namely, the end of the first silencing cover a2 far away from the air inlet a101 is preferably of a planar structure and opposite to the air inlet a101, so that a direct current channel with a larger area is formed between the air inlet a101 and the flat end, air flow can be better introduced, and the air inlet effect is optimized.
Or as shown in fig. 1, fig. 2 and fig. 3, an end of the first silencing cover a2 away from the air inlet a101 may be: a portion protruding toward the air intake a101 to form a first drainage groove a203 at the end. So that one end of the first silencing cover a2 far away from the air inlet a101 forms a first diversion trench a203 for guiding the nearby air flow into the first silencing cover a2, and the air inlet effect is optimized; meanwhile, the provision of the first drainage groove a203 also reduces the possibility of vortex generation at the end of the first muffler cover a2 at the moment of start-up.
For the second silencing cover a3, in order to be well sleeved on the periphery of the first silencing cover a2, the structure of the second silencing cover a3 is matched with that of the first silencing cover a2, and the second silencing cover a3 is particularly shown in fig. 1, fig. 2 and fig. 4.
As shown in fig. 4, the second silencing cover a3 has a cover-like structure formed by connecting an annular second guide wall a302, an annular second straight pipe wall a304, and an annular second surface flow wall a305, and covers the outer periphery of the first silencing cover a2, and a space capable of flowing the air flow exists between the first silencing cover a2 and the second silencing cover a 3.
As shown in fig. 1, in order to adapt to the drainage of the first guide wall a202, the second guide wall a302 of the second silencing cover a3 near one end of the air inlet a101 is preferably also inclined, so as to guide the air flow between the first silencing cover a2 and the second silencing cover a3 to enter the air inlet a101 more smoothly, and ensure stable and smooth air intake.
The end of the second silencing cover a3 far away from the air inlet a101 can be a flat end opposite to the air inlet a101, namely, the end of the second silencing cover a3 far away from the air inlet a101 is preferably of a planar structure and opposite to the air inlet a101, so that a direct current channel with a larger area is formed between the air inlet a101 and the flat end, air flow can be better introduced, and the air inlet effect is optimized.
Or as shown in fig. 1, fig. 2 and fig. 4, an end of the second silencing cover a3 away from the air inlet a101 may be: a portion protruding toward the air intake a101 to form a second drainage groove a303 at the end. So that one end of the second silencing cover a3 far away from the air inlet a101 forms a second diversion trench a303 for guiding the nearby air flow into the second silencing cover a3, and the air inlet effect is optimized; meanwhile, the provision of the second drainage groove a303 also reduces the possibility of vortex generation at the end of the second muffler cover a3 at the moment of starting.
Further, as shown in fig. 1 and fig. 4, it is preferable that a drainage portion a1011 for guiding the air flow into the air inlet a101 is provided in the air inlet a101, and the drainage portion a1011 may be formed by the edge of the air inlet a101 or may be formed by installing other components, so that the air flow can be better guided into the fan housing a1, and the smoothness of air intake is improved.
As shown in fig. 4, an air inlet plate a3 is connected between the fan housing a1 and the first silencing cover a2, the air inlet plate a3 is preferably detachably connected to the fan housing a1 or the first silencing cover a2 by using screws, at this time, a first flange portion a206 of the first silencing cover a2 is attached to the fan housing a1 through the air inlet plate a3, the air inlet plate a3 is provided with an air inlet plate inlet hole a301 aligned with the air inlet a101, the drainage portion a1011 is formed by flanging edges of the air inlet plate inlet hole a301, and the flanging direction is compliant with the air inlet direction. Thus, the air inlet plate a3 can be detached to clean the drainage part a1011 which is in contact with the air flow and is easy to accumulate dirt, and the convenience of detaching and replacing the drainage part a1011 is improved.
Embodiment two:
a gas water heater, as shown in fig. 5, includes a fan assembly a according to any one of the first embodiments.
The foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model. In addition, references to the terms "vertical", "horizontal", "front", "rear", etc., in the embodiments of the present utility model indicate that the apparatus or element in question has been put into practice, based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product is conventionally put in use, merely for convenience of description and to simplify the description, but do not indicate or imply that the apparatus or element in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. It should be further noted that, unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," and the like in the description are to be construed broadly as, for example, "connected," either permanently connected, detachably connected, or integrally connected; either directly or indirectly through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A fan assembly with a sound attenuation hood, comprising:
a fan housing (a 1) having an air inlet (a 101) into which an air flow enters, and an air outlet (a 102) from which the entered air flow is discharged;
the first silencing cover (a 2) is used for blocking airflow to flow and covers the air inlet (a 101), and a plurality of silencing covers (a 2) are arranged: a first inlet aperture (a 201) for air flow into the blower housing (a 1);
the second silencing cover (a 3) is sleeved on the periphery of the first silencing cover (a 2), and a plurality of silencing covers are arranged on the second silencing cover (a 3): the air supply flow enters a second inlet hole (a 301) of the first inlet hole (a 201).
2. The fan assembly with a sound attenuation hood of claim 1, wherein: the first silencing cover (a 2) is arranged on the outer side of the fan shell (a 1).
3. The fan assembly with a sound attenuation hood of claim 1, wherein: the first silencing cover (a 2) is convexly arranged on one side of the air inlet (a 101), and the interval between the first silencing cover (a 2) and the air inlet (a 101) is formed with: and a drainage cavity for communicating the first inflow hole (a 201) with the air inlet (a 101).
4. A fan assembly with a sound attenuation hood as set forth in claim 3, wherein: the end of the first silencing cover (a 2) close to the air inlet (a 101) is provided with a first inclined guide wall (a 202) which guides the air flow in the guide cavity into the air inlet (a 101).
5. A fan assembly with a sound attenuation hood as set forth in claim 3, wherein: the first silencing cover (a 2) is arranged at one end far away from the air inlet (a 101): a portion protruding toward the air intake (a 101) to form a first drainage groove (a 203) at the end.
6. A fan assembly with a sound attenuation hood as set forth in claim 3, wherein: the second silencing cover (a 3) is arranged at one end far away from the air inlet (a 101): a portion protruding toward the air inlet (a 101) to form a second drainage groove (a 303) at the end.
7. The fan assembly with a sound attenuation hood of claim 1, wherein: a drainage part (101 a) for guiding the air flow into the air inlet (a 101) is arranged in the air inlet (a 101).
8. The fan assembly with a sound attenuation hood of claim 7, wherein: an air inlet plate (a 4) is connected between the fan shell (a 1) and the first silencing cover (a 2), the air inlet plate (a 4) is provided with an air inlet plate flow hole (a 401) which is communicated with the air inlet (a 101) in a counterpoint mode, and the drainage part (101 a) is formed by edge flanging of the air inlet plate flow hole (a 401).
9. The fan assembly with a sound attenuation hood according to any one of claims 1 to 8, wherein: the first silencing cover (a 2) and/or the second silencing cover (a 3) are/is detachably connected to the fan housing (a 1).
10. A gas water heater, characterized in that: a fan assembly comprising a sound-deadening hood according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321952523.7U CN220319952U (en) | 2023-07-24 | 2023-07-24 | Fan assembly with silencing cover and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321952523.7U CN220319952U (en) | 2023-07-24 | 2023-07-24 | Fan assembly with silencing cover and gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220319952U true CN220319952U (en) | 2024-01-09 |
Family
ID=89409870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321952523.7U Active CN220319952U (en) | 2023-07-24 | 2023-07-24 | Fan assembly with silencing cover and gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220319952U (en) |
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2023
- 2023-07-24 CN CN202321952523.7U patent/CN220319952U/en active Active
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