CN108826644B - Shell assembly, warm air blower and air conditioner - Google Patents
Shell assembly, warm air blower and air conditioner Download PDFInfo
- Publication number
- CN108826644B CN108826644B CN201810886617.6A CN201810886617A CN108826644B CN 108826644 B CN108826644 B CN 108826644B CN 201810886617 A CN201810886617 A CN 201810886617A CN 108826644 B CN108826644 B CN 108826644B
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- China
- Prior art keywords
- air inlet
- housing assembly
- water
- housing
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000009434 installation Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 14
- 230000001965 increasing effect Effects 0.000 description 5
- 210000005069 ears Anatomy 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application discloses a shell assembly, a warm air blower and an air conditioner, wherein the shell assembly comprises a shell and an air inlet arranged at the upper part of the shell, the opening direction of the air inlet faces to the rear of the shell, and the rear of the shell is a shell installation side. According to the technical scheme, noise can be effectively reduced, and the risk that water drops enter the shell is reduced.
Description
Technical Field
The application relates to the technical field of shell air inlet structures, in particular to a shell assembly, a fan heater and an air conditioner.
Background
With the improvement of living standard of people, the use proportion of heating devices is increased year by year, wherein the fan heater directly sending hot air has the characteristics of direct high efficiency and the like. In the prior art, the air inlet of the fan heater is usually arranged at the position of the top close to the front side, and noise generated by factors such as the working of an internal fan of the fan heater (particularly when the installation position is lower) can be directly transmitted into human ears through the front air inlet, so that the noise experience is poor. In addition, the mounting position of the fan heater is generally 1.5m to 1.8m high, the requirements and related functions of the fan heater mounted in a bathroom are considered, the conditions of high humidity, direct spraying by a spray header, contact dripping and the like exist in the environment, and once water enters the fan heater through the front air inlet, the fan heater can generate non-negligible influence on the safety of electric appliances of the fan heater.
Disclosure of Invention
The embodiment of the application provides a shell assembly, a fan heater and an air conditioner, which can reduce noise and reduce the risk of water drops entering the interior.
In order to achieve the above object, the present application provides a housing assembly, which includes a housing and an air inlet disposed at an upper portion of the housing, wherein an opening direction of the air inlet faces a rear of the housing, and a rear of the housing is a housing mounting side.
Further, the air inlet is inclined, and the opening direction of the air inlet is close to the top of the shell.
Further, the front structure of the housing is completely closed.
Further, the housing assembly further includes a water blocking structure disposed at the air inlet.
Further, the water retaining structure comprises a plurality of water retaining plates, the water retaining plates are arranged from the upper edge of the air inlet to the lower edge of the air inlet at intervals, and each water retaining plate extends transversely along the air inlet and divides the air inlet into a plurality of sub air inlets.
Further, the vertical distance between two adjacent water baffles is h1, the vertical distance between the uppermost one of the water baffles and the upper edge of the air inlet is h2, the vertical distance between the lowermost one of the water baffles and the lower edge of the air inlet is h3, and the vertical distance between 0.ltoreq.min (h 2, h 3). Ltoreq.max (h 2, h 3). Ltoreq.h1.
Further, two adjacent water baffles at least partially overlap in the vertical direction.
Further, the vertical distance between two adjacent water baffles is h1, the width of the overlapping part of the two adjacent water baffles in the vertical direction is L, wherein h1 is less than or equal to 4L 2 /5。
Further, each water baffle is obliquely arranged, and the included angle between the water baffle and the horizontal plane is beta, wherein the included angle is more than 0 degrees and less than 10 degrees.
Further, the casing includes the top panel, front panel, lower panel and the rear panel that connect gradually and enclose into the cavity, has spiral case and the volute tongue of relative setting in the cavity, and the back border of top panel forms the upper edge of air intake, and the top border of spiral case forms the lower border of air intake, and the top border of rear panel upwards protrudes in the top border of spiral case and forms the opening with between the back border of top panel, and the casing subassembly is still including setting up the air inlet grid at the opening part.
According to another aspect of the present application, there is provided a fan heater comprising a housing assembly as described above.
According to another aspect of the present application, there is provided an air conditioner including a housing assembly, the housing assembly being the housing assembly described above.
By applying the technical scheme of the application, on the basis of not influencing the air inlet quantity, the opening direction of the air inlet is set to face the rear of the shell. The structure can lead the noise in the shell to be firstly transmitted backwards through the air inlet and then reflected forwards, thus increasing the transmission path length and the tortuosity of the noise, further attenuating the noise and reducing the noise perceived by human ears, thereby achieving the purpose of noise reduction. In addition, because the opening direction of the air inlet is towards the rear of the shell, water drops in the environments such as bathrooms generally fall from the front of the shell assembly, the probability of the air inlet contacting water can be reduced, the risk of external water drops entering the shell is reduced, and the electrical safety is improved.
Drawings
FIG. 1 is a schematic view of a housing assembly according to a first embodiment of the present application;
FIG. 2 is an enlarged schematic view of the housing assembly of FIG. 1 at A;
FIG. 3 is a schematic view of the noise propagation path of the housing assembly of FIG. 1;
FIG. 4 is a schematic structural view of a housing assembly according to a second embodiment of the present application;
FIG. 5 is a schematic view of a housing assembly according to a third embodiment of the present application; and
fig. 6 is a schematic structural view of a housing assembly according to a fourth embodiment of the present application.
Reference numerals illustrate:
10. an air inlet; 20. a water retaining structure; 21. a water baffle; 31. an upper panel; 32. a front panel; 33. a lower panel; 34. a rear panel; 41. a volute; 42. a volute tongue; 50. an opening; 60. an air inlet grille; 70. a cross flow fan; 80. an air outlet; 90. an electric heating member; 100. a wall; h1, vertical spacing between two adjacent water baffles; h2, vertically spacing between the uppermost one of the water baffles and the upper edge of the air inlet; h3, vertical spacing between the lowest water baffle and the lower edge of the air inlet; l, the width of the overlapped part of two adjacent water baffles in the vertical direction; beta, the included angle between the water baffle and the horizontal plane.
Detailed Description
The application will now be described in further detail with reference to the drawings and specific examples, which are not intended to limit the application thereto.
As shown in fig. 1 and 3, a first embodiment of the present application provides a housing assembly. The housing assembly includes a housing and an air inlet 10 provided at an upper portion of the housing. The opening direction of the air intake 10 is directed to the rear of the case, which is the case mounting side.
By applying the housing assembly of the present embodiment, the opening direction of the air intake 10 is set to face the rear of the housing without affecting the air intake. The above structure can make the noise inside the housing spread backward through the air inlet 10, and then reflect forward after touching the wall 100 where the housing assembly is installed (see arrow direction in fig. 3), thus increasing the propagation path length and tortuosity of the noise, further attenuating the noise, and reducing the noise perceived by human ears, thereby achieving the purpose of noise reduction. In addition, since the opening direction of the air inlet 10 faces the rear of the housing, and water drops in the bathroom or other environments generally fall from the front of the housing assembly, the probability of the air inlet 10 contacting water can be reduced, the risk of external water drops entering the housing can be reduced, and the electrical safety can be improved.
As shown in fig. 1 and 3, in the housing assembly of the first embodiment, the air inlet 10 is inclined, and the opening direction of the air inlet 10 is close to the top of the housing, that is, the opening direction of the air inlet 10 faces obliquely backward and upward of the housing, so that a space as large as possible is formed between the air inlet 10 and the wall 100 where the housing assembly is mounted, thereby ensuring the air intake. In this embodiment, the front structure of the housing is completely closed, so that noise in the housing assembly can be prevented from being directly transmitted into the human ear from the front side of the housing as much as possible, and most of the noise is emitted from the air inlet 10 to be directly aligned with the rear wall, thereby enhancing the noise reduction effect.
As shown in fig. 1 to 3, in the housing assembly of the first embodiment, the housing assembly further includes a water blocking structure 20 disposed at the air intake 10, and the water blocking structure 20 can further prevent water droplets from entering the housing interior from the air intake 10.
Specifically, in the present embodiment, the water blocking structure 20 includes a plurality of water blocking plates 21. The water baffles 21 are arranged at intervals from the upper edge of the air inlet 10 to the lower edge of the air inlet 10. Each of the water blocking plates 21 extends in the lateral direction of the air inlet 10 and divides the air inlet 10 into a plurality of sub-air inlets, and the opening direction of each sub-air inlet is inclined downward toward the rear of the housing, that is, each water blocking plate 21 is inclined downward toward the rear of the housing. Adjacent two water deflectors 21 overlap at least in the vertical direction. The above-mentioned arrangement of a plurality of breakwater 21 can be spread over whole air intake 10 to play fine shielding effect to air intake 10. Each water baffle 21 is arranged to incline downwards at the rear side of the shell, and when water drops fall on the water baffle 21, the water drops can flow to the outside of the air inlet 10 along the inclined water baffle 21, so that the water drops are prevented from entering the inside of the shell. In addition, the adjacent two water deflectors 21 are partially overlapped in the vertical direction, so that no gap exists between the adjacent water deflectors 21, and water drops are further prevented from entering the inside of the housing.
The water retaining structure 20 utilizes the bionics principle of poultry feather drainage, and on the basis of ensuring the flow of the air inlet 10 as much as possible, the water spraying or dripping refusing function is achieved, namely, when water drops impact or splash to the shell assembly from the front side or the upper side, the water drops can be effectively induced to be reserved outside the shell to be discharged, the water drops are prevented from entering the inside of the shell, and electric safety accidents are avoided.
It should be noted that the specific form of the water blocking structure 20 is not limited thereto, and in other embodiments not shown in the drawings, the water blocking structure may be other forms of water blocking structures, for example, may be a one-piece inclined water blocking plate. In addition, in the present embodiment, the water blocking structure 20 further includes a longitudinal rib (not shown in the drawings) for fixedly restraining the plurality of water blocking plates 21, and the specific form of the longitudinal rib is not limited. Of course, in other embodiments, no longitudinal ribs may be provided.
As shown in fig. 1 and 2, in the case assembly of the first embodiment, the vertical distance between the adjacent two water deflectors 21 is h1, the vertical distance between the uppermost one of the water deflectors 21 and the upper edge of the air intake 10 is h2, the vertical distance between the lowermost one of the water deflectors 21 and the lower edge of the air intake 10 is h3, and the width of the overlapping portion of the adjacent two water deflectors 21 in the vertical direction is L. Each water baffle 21 is obliquely arranged, and the included angle between the water baffle 21 and the horizontal plane is beta. The above parameters should meet the following conditions:
1)0≤min(h2,h3)≤max(h2,h3)≤h1≤4L 2 /5；
2) 0 ° < β < 10 °, preferably β=6.2 °.
As shown in fig. 1 and 3, in the case assembly of the first embodiment, the case includes an upper panel 31, a front panel 32, a lower panel 33, and a rear panel 34, which are sequentially connected and enclose a cavity. The cavity is provided with a volute 41 and a volute tongue 42 which are oppositely arranged. An air outlet 80 is formed between the lower edge of the front panel 32 and the front edge of the lower panel 33, the air outlet 80 faces to the front side, and the air outlet 80 includes, but is not limited to, air outlet grids, guide vanes, air deflectors and other structures. The volute tongue 42 is attached to the front panel 32 and is located along the upper edge of the air outlet 80. The scroll 41 is connected to the rear panel 34, and an air passage is formed between the scroll 41 and the scroll tongue 42. The width of the upper panel 31 is approximately half of the overall width of the housing, and the air inlet 10 is formed between the rear edge of the upper panel 31 and the top edge of the volute 41, that is, the rear edge of the upper panel 31 forms the upper edge of the air inlet 10, and the top edge of the volute 41 forms the lower edge of the air inlet 10.
As shown in fig. 4, a second embodiment of the present application provides a housing assembly. The main difference between the above-mentioned housing assembly and the first embodiment is that the width of the upper panel 31 is smaller, and the width of the upper panel is close to the width of the water baffle 21, so that the air inlet area of the air inlet 10 can be as large as possible, and the air inlet quantity can be improved. The housing assembly of the second embodiment is substantially the same as the other structures of the first embodiment, and will not be described herein.
As shown in fig. 5, a third embodiment of the present application provides a housing assembly. The main difference between the above-described housing assembly and the housing assembly of the first embodiment is that the opening direction of the air intake 10 is directed to the right rear of the housing, and the adjacent two water blocking plates 21 are completely overlapped in the vertical direction. The structure can also make the noise diffuse backward and reflect, thereby increasing the propagation path length and tortuosity of the noise and achieving the purpose of noise reduction. Meanwhile, the water spraying or dripping rejection function can be achieved, water drops are effectively induced to be discharged to the outside along the arc structures at the tops of the water baffle 21 and the volute 41, and the water drops are prevented from entering the inside of the shell. The housing assembly of the third embodiment is substantially the same as the other structures of the first embodiment, and will not be described again here.
As shown in fig. 6, a fourth embodiment of the present application provides a housing assembly. The main difference between the above-mentioned housing assembly and the housing assembly of the first embodiment is that the top edge of the rear panel 34 protrudes upward from the top edge of the scroll case 41 and forms an opening 50 with the rear edge of the upper panel 31, and the housing assembly further includes an air inlet grill 60 disposed at the opening 50. Noise inside the shell is firstly transmitted to the rear through the air inlet 10, is reflected forwards after hitting the rear panel 34, and finally is transmitted out through the air inlet grille 60, so that the transmission path length and the tortuosity of the noise are increased, the noise can be further attenuated, the noise perceived by human ears is reduced, and the purpose of noise reduction is achieved. In addition, the air inlet grille 60 can further play a role in dust prevention and water prevention. The housing assembly of the fourth embodiment is substantially the same as the other structures of the first embodiment, and will not be described here again.
The application also provides a warm-air drier, which comprises a shell component according to the embodiment of the warm-air drier. The housing assembly is the housing assembly of the first to fourth embodiments. Specifically, the fan heater also includes a cross-flow fan 70 and an electrical heating element 90. The cross flow fan 70 is completely positioned in the shell, the front panel 32 is arranged at one side of the cross flow fan 70, the rear panel 34 and the front panel 32 are oppositely distributed at two sides of the cross flow fan 70, and a front-back package is formed on the cross flow fan 70. The rear panel 34 will be secured to the indoor wall 100 during installation. The upper panel 31 is fixed to the upper side of the front panel 32. The volute tongue 42 is attached to the front panel 32 and is located along the upper edge of the air outlet 80. The scroll 41 is connected to the rear panel 34, and an air passage is formed between the scroll 41 and the scroll tongue 42. An electric heating member 90 (an electric heating block in this embodiment) is fixed between the scroll casing 41 and the scroll tongue 42 and between the cross flow fan 70 and the air outlet 80.
In addition, the application also provides an air conditioner (not shown in the figure), which comprises a shell assembly according to the embodiment of the air conditioner. The housing assembly is the housing assembly of the first to fourth embodiments.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.
Of course, the above is a preferred embodiment of the present application. It should be noted that it will be apparent to those skilled in the art that several modifications and adaptations can be made without departing from the general principles of the present application, and such modifications and adaptations are intended to be comprehended within the scope of the present application.
Claims (9)
1. A housing assembly comprising a housing and an air inlet (10) arranged at the upper part of the housing, characterized in that the opening direction of the air inlet (10) faces the rear of the housing, and the rear of the housing is the housing mounting side;
the air inlet (10) is inclined, the opening direction of the air inlet (10) is close to the top of the shell, the front side structure of the shell is completely closed, and the shell assembly further comprises a water retaining structure (20) arranged at the air inlet (10).
2. The housing assembly according to claim 1, wherein the water deflector (20) comprises a plurality of water deflectors (21), the water deflectors (21) being arranged at intervals from an upper edge of the air inlet (10) to a lower edge of the air inlet (10), each water deflector (21) extending in a transverse direction of the air inlet (10) and dividing the air inlet (10) into a plurality of sub-air inlets.
3. The housing assembly according to claim 2, characterized in that the vertical distance between two adjacent water baffles (21) is h1, the vertical distance between the uppermost one of the water baffles (21) and the upper edge of the air intake (10) is h2, and the vertical distance between the lowermost one of the water baffles (21) and the lower edge of the air intake (10) is h3, wherein 0.ltoreq.min (h 2, h 3). Ltoreq.max (h 2, h 3). Ltoreq.h1.
4. The housing assembly according to claim 2, wherein two adjacent water deflectors (21) overlap at least partially in the vertical direction.
5. The housing assembly according to claim 4, wherein a vertical distance between two adjacent water baffles (21) is h1, and a width of an overlapping portion of two adjacent water baffles (21) in a vertical direction is L, wherein h1 is equal to or less than 4L 2 /5。
6. The housing assembly according to claim 2, wherein each water deflector (21) is arranged obliquely, the angle between the water deflector (21) and the horizontal being β, wherein 0 ° < β < 10 °.
7. The housing assembly according to any one of claims 1 to 6, wherein the housing comprises an upper panel (31), a front panel (32), a lower panel (33) and a rear panel (34) which are sequentially connected and enclose a cavity, wherein the cavity is provided with a volute (41) and a volute tongue (42) which are arranged oppositely, the rear edge of the upper panel (31) forms the upper edge of the air inlet (10), the top edge of the volute (41) forms the lower edge of the air inlet (10), the top edge of the rear panel (34) protrudes upwards from the top edge of the volute (41) and forms an opening (50) with the rear edge of the upper panel (31), and the housing assembly further comprises an air inlet grille (60) arranged at the opening (50).
8. A fan heater comprising a housing assembly, wherein the housing assembly is as claimed in any one of claims 1 to 7.
9. An air conditioner comprising a housing assembly, wherein the housing assembly is the housing assembly of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810886617.6A CN108826644B (en) | 2018-08-06 | 2018-08-06 | Shell assembly, warm air blower and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810886617.6A CN108826644B (en) | 2018-08-06 | 2018-08-06 | Shell assembly, warm air blower and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108826644A CN108826644A (en) | 2018-11-16 |
| CN108826644B true CN108826644B (en) | 2023-10-27 |
Family
ID=64152785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810886617.6A Active CN108826644B (en) | 2018-08-06 | 2018-08-06 | Shell assembly, warm air blower and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108826644B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076283A (en) * | 2019-12-25 | 2020-04-28 | 珠海格力电器股份有限公司 | Indoor unit shell and air conditioner indoor unit with same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017025A (en) * | 2007-02-15 | 2007-08-15 | 周海坚 | Electric heating device for warm air heater |
| JP2012189282A (en) * | 2011-03-11 | 2012-10-04 | Sharp Corp | Air conditioner |
| CN204301261U (en) * | 2014-11-29 | 2015-04-29 | 青岛海尔空调器有限总公司 | A kind of Split wall-mounted type air conditioner |
| CN208779660U (en) * | 2018-08-06 | 2019-04-23 | 珠海格力电器股份有限公司 | Shell assembly, fan heater and air conditioner |
-
2018
- 2018-08-06 CN CN201810886617.6A patent/CN108826644B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017025A (en) * | 2007-02-15 | 2007-08-15 | 周海坚 | Electric heating device for warm air heater |
| JP2012189282A (en) * | 2011-03-11 | 2012-10-04 | Sharp Corp | Air conditioner |
| CN204301261U (en) * | 2014-11-29 | 2015-04-29 | 青岛海尔空调器有限总公司 | A kind of Split wall-mounted type air conditioner |
| CN208779660U (en) * | 2018-08-06 | 2019-04-23 | 珠海格力电器股份有限公司 | Shell assembly, fan heater and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108826644A (en) | 2018-11-16 |
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