CN203518026U - air conditioner - Google Patents
air conditioner Download PDFInfo
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- CN203518026U CN203518026U CN201320665995.4U CN201320665995U CN203518026U CN 203518026 U CN203518026 U CN 203518026U CN 201320665995 U CN201320665995 U CN 201320665995U CN 203518026 U CN203518026 U CN 203518026U
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- air inlet
- air
- wind wheel
- centrifugal wind
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- 238000005192 partition Methods 0.000 claims abstract description 26
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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Abstract
The utility model discloses an air conditioner, which comprises a centrifugal wind wheel (1), a volute (2) and a shell, wherein the centrifugal wind wheel (1) is a double-suction centrifugal wind wheel and comprises a partition plate (13), an upper-layer impeller (12) arranged on one side of the partition plate (13) and a lower-layer impeller (11) arranged on the other side of the partition plate; the volute (2) is provided with a first air suction opening (21) which is arranged corresponding to the lower-layer impeller (11) and a second air suction opening (22) which is arranged corresponding to the upper-layer impeller (12); the shell is provided with a first air inlet (31) arranged corresponding to the first air suction opening (21) and a second air inlet arranged corresponding to the second air suction opening (22). The utility model provides an air conditioner has increased the intake effectively, and then has improved the efficiency of air conditioner.
Description
Technical Field
The utility model relates to a refrigeration plant technical field, in particular to air conditioner.
Background
With the continuous promotion of energy conservation and emission reduction, the awareness of people on energy conservation is continuously enhanced. The energy efficiency requirements and comfort for the household appliances are also increased. Among them, the air conditioner is one of the home appliances that consume the most power.
At present, in a vertical air conditioner, an air inlet is formed in a back panel of a shell of the vertical air conditioner, and an air suction blade is arranged corresponding to the air inlet, so that outside air enters from the air inlet under the guide of the air suction blade, and air is guided to an evaporator through an air suction opening in a volute correspondingly arranged with the air suction blade. However, the air intake of the air conditioner has not been able to meet the increasing energy efficiency requirements of the air conditioner.
Therefore, how to increase the intake air to improve the energy efficiency of the air conditioner is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an air conditioner to increase the intake, improve the air conditioner efficiency.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an air conditioner, which comprises a centrifugal wind wheel, a volute and a shell,
the centrifugal wind wheel is a double-suction type centrifugal wind wheel and comprises a partition plate, an upper-layer impeller arranged on one side of the partition plate and a lower-layer impeller arranged on the other side of the partition plate;
the volute is provided with a first air suction opening corresponding to the lower-layer impeller and a second air suction opening corresponding to the upper-layer impeller;
and the shell is provided with a first air inlet arranged corresponding to the first air suction opening and a second air inlet arranged corresponding to the second air suction opening.
Preferably, in the air conditioner, the housing includes a casing and a base disposed at the bottom of the casing, the first air inlet is disposed on the casing, and the second air inlet is disposed on the base.
Preferably, in the air conditioner, the first air suction opening is provided at a rear surface of the casing.
Preferably, in the air conditioner, the air conditioner further includes a third air inlet disposed at two sides of the housing, and the third air inlet is communicated with the second air inlet.
Preferably, in the air conditioner, the ratio of the upper layer to the lower layer of the centrifugal wind wheel is 1, and the sum of the air inlet areas of the second air inlet and the third air inlet is the same as the air inlet area of the first air inlet;
or the ratio of the upper layer to the lower layer of the centrifugal wind wheel is less than 1, and the sum of the air inlet areas of the second air inlet and the third air inlet is less than the air inlet area of the first air suction port;
or the ratio of the upper layer to the lower layer of the centrifugal wind wheel is larger than 1, and the sum of the air inlet areas of the second air inlet and the third air inlet is larger than the air inlet area of the first air suction opening.
Preferably, in the air conditioner, the second air inlet includes a front air inlet provided in a front panel of the base and/or a rear air inlet provided in a rear panel of the base.
Preferably, in the air conditioner, the front air inlet is disposed at a bottom end of the base.
Preferably, in the air conditioner, an intermediate partition plate is arranged between the shell and the base, and an air inlet opening communicated with the inner cavity of the base and the second air suction opening is formed in the intermediate partition plate.
Preferably, in the air conditioner, a ratio of an upper layer to a lower layer of the centrifugal wind wheel is 0.2-5, wherein the ratio of the upper layer to the lower layer of the centrifugal wind wheel is a ratio of a height of the upper layer impeller to a height of the lower layer impeller.
Preferably, in the air conditioner, the ratio of the upper layer to the lower layer of the centrifugal wind wheel is 1, and the air inlet area of the second air inlet is the same as the air inlet area of the first air inlet;
or the ratio of the upper layer to the lower layer of the centrifugal wind wheel is less than 1, and the air inlet area of the second air inlet is smaller than the air inlet area of the first air inlet and is the same as the air inlet area of the first air inlet;
or the ratio of the upper layer to the lower layer of the centrifugal wind wheel is larger than 1, and the air inlet area of the second air inlet is smaller than that of the first air inlet and is the same.
According to the technical scheme, the air conditioner provided by the utility model designs the centrifugal wind wheel into the double-suction centrifugal wind wheel, and sets independent air inlet channels for the upper-layer impeller and the lower-layer impeller of the double-suction centrifugal wind wheel, wherein the air inlet channel of the lower-layer impeller supplies air to the evaporator through the first air suction port from the shell air inlet on the shell; the air inlet channel of the upper impeller supplies air to the evaporator through a second air inlet from a base air inlet on the base. By using the double-suction type centrifugal wind wheel and the two mutually independent air inlet channels, the air inlet volume is effectively increased, and the energy efficiency of the air conditioner is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic sectional view of a volute and a centrifugal wind wheel provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention.
Wherein,
the centrifugal fan comprises a centrifugal wind wheel 1, a lower-layer impeller 11, an upper-layer impeller 12, a partition plate 13, a volute 2, a first air suction opening 21, a second air suction opening 22, a shell 3, a first air inlet 31, a third air inlet 32, a base 4, a front air inlet 41, a rear air inlet 42, a middle partition plate 5 and an air inlet opening 51.
Detailed Description
The utility model discloses an air conditioner to increase the intake, improve the air conditioner efficiency.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention.
The embodiment of the utility model provides an air conditioner, which comprises a centrifugal wind wheel 1, a volute 2 and a shell, wherein the centrifugal wind wheel 1 is a double-suction centrifugal wind wheel and comprises a partition plate 13, an upper-layer impeller 12 arranged on one side of the partition plate 13 and a lower-layer impeller 11 arranged on the other side of the partition plate; the volute 2 is provided with a first air suction opening 21 corresponding to the lower-layer impeller 11 and a second air suction opening 22 corresponding to the upper-layer impeller 12; the housing is provided with a first air inlet 31 arranged corresponding to the first air suction opening 21 and a second air inlet arranged corresponding to the second air suction opening 22.
The embodiment of the utility model provides an air conditioner, design centrifugal wind wheel 1 into two formula centrifugal wind wheels of induced drafting, set up independent inlet air channel to upper impeller 12 and lower floor's impeller 11 of the formula centrifugal wind wheel of induced drafting of two, wherein, the inlet air channel of lower floor's impeller 11 is by the first air intake 31 on the shell to the evaporimeter air supply through first inlet scoop 21; the air inlet channel of the upper impeller 12 is formed by supplying air to the evaporator through a second air inlet 22 on the housing. By using the double-suction type centrifugal wind wheel and the two mutually independent air inlet channels, the air inlet volume is effectively increased, and the energy efficiency of the air conditioner is further improved.
As shown in fig. 1 and 2, the partition 13 is disposed along the vertical direction of the casing, so that the axes of the lower impeller 11 and the upper impeller 12 are horizontally disposed, and the air inlet is more conveniently disposed. The partition 13 can also be arranged in the horizontal direction of the housing or at a certain inclination angle, which is not described here and is within the scope of protection.
Wherein, the vertical direction of shell is the vertical direction of shell when the air conditioner normally places.
Further, the housing in this embodiment includes a housing 3 and a base 4 disposed at the bottom of the housing 3, the first air inlet 21 is disposed on the housing 3, and the second air inlet is disposed on the base 4.
Preferably, the first suction port 21 is provided at the rear surface of the housing 3.
As shown in fig. 3, in order to further increase the intake air amount, third air inlets 32 are provided at both sides of the housing, and the third air inlets 32 communicate with the second air suction opening 22. The number of the third air inlets 32 is two, one group of the third air inlets 32 is arranged on one side of the shell, the other group of the third air inlets 32 is arranged on the other side of the shell, and the third air inlets 32 independent of the second air inlets are arranged, so that the area of the air inlets is enlarged, and the air inlet amount is further increased.
Wherein, the upper layer and the lower layer of the centrifugal wind wheel are in proportion to the height of the upper layer impeller 12 and the height of the lower layer impeller 11, namely the distance between the outer edge of the upper layer impeller 12 and the partition plate 13 and the distance between the outer edge of the lower layer impeller 11 and the partition plate 13.
In the first embodiment, the ratio of the upper layer to the lower layer of the centrifugal wind wheel is 1, and the sum of the air inlet areas of the second air inlet and the third air inlet 32 is the same as the air inlet area of the first air inlet 21.
In the second embodiment, the ratio of the upper layer to the lower layer of the centrifugal wind wheel is less than 1, and the sum of the air inlet areas of the second air inlet and the third air inlet 32 is less than the air inlet area of the first air inlet 21.
In the third embodiment, the ratio of the upper layer to the lower layer of the centrifugal wind wheel is greater than 1, and the sum of the air inlet areas of the second air inlet and the third air inlet 32 is greater than the air inlet area of the first air inlet 21.
Preferably, in the above embodiment, the second air inlet includes the front air inlet 41 disposed on the front panel of the base 4 and the rear air inlet 42 disposed on the rear panel of the base 4. Base air inlets may be formed in both sides of the base 4, only the front air inlet 41 may be formed in the base 4, and only the rear air inlet 42 may be formed in the base 4, which are not described one by one and are all within the protection range.
In order to avoid the influence of the front air inlet 41 provided on the front panel of the base 4 on the appearance and the reduction of the strength of the front panel, the front air inlet 41 is preferably provided at the bottom end of the base 4, i.e., between the front panel of the base 4 and the legs thereof.
As shown in fig. 1, in order to facilitate the setting of the air inlet channel of the lower impeller 11 and the air inlet channel of the upper impeller 12, an embodiment of the present invention provides an air conditioner, wherein an intermediate partition plate 5 is disposed between the casing 3 and the base 4, and the intermediate partition plate 5 is provided with an air inlet hole 51 communicating the inner cavity of the base 4 with the second air suction opening 22.
In order to reduce noise, the proportion of the upper layer to the lower layer of the centrifugal wind wheel is preferably 0.2-5. Wherein, the upper layer and the lower layer of the centrifugal wind wheel are in proportion to the height of the upper layer impeller 12 and the height of the lower layer impeller 11, namely the distance between the outer edge of the upper layer impeller 12 and the partition plate 13 and the distance between the outer edge of the lower layer impeller 11 and the partition plate 13. Compared with the air conditioner with a single centrifugal wind wheel in the prior art, the air intake is improved by 5-30%, the noise is reduced by 10-0.5 dB, wherein the increase of the air intake is inversely proportional to the reduction of the noise. The impeller height is in direct proportion to the work power of the fan blades, namely the larger the impeller height is, the larger the air inlet amount is. In order to enable the air inlet volume and the air inlet area to be correspondingly arranged to achieve the optimal air inlet proportion, a certain proportional relation exists between the air inlet area of the shell air inlet and the air inlet area of the base air inlet.
The third air inlet 32 may not be provided, and only the first air inlet 31 and the second air inlet may be provided. As described above, in the first embodiment, when the ratio of the upper layer to the lower layer of the centrifugal wind wheel is 1, the air inlet area of the second air inlet is the same as the air inlet area of the first air inlet 21.
In the second embodiment, when the ratio of the upper layer to the lower layer of the centrifugal wind wheel is less than 1, the air inlet area of the second air inlet is smaller than the air inlet area of the first air inlet 21.
In the third embodiment, when the ratio of the upper layer to the lower layer of the centrifugal wind wheel is greater than 1, the air inlet area of the second air inlet is greater than the air inlet area of the first air inlet 21.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An air conditioner comprises a centrifugal wind wheel (1), a volute (2) and a shell, and is characterized in that,
the centrifugal wind wheel (1) is a double-suction type centrifugal wind wheel and comprises a partition plate (13), an upper-layer impeller (12) arranged on one side of the partition plate (13) and a lower-layer impeller (11) arranged on the other side of the partition plate;
the volute (2) is provided with a first air suction opening (21) which is arranged corresponding to the lower-layer impeller (11) and a second air suction opening (22) which is arranged corresponding to the upper-layer impeller (12);
the shell is provided with a first air inlet (31) arranged corresponding to the first air suction opening (21) and a second air inlet arranged corresponding to the second air suction opening (22).
2. The air conditioner according to claim 1, wherein the casing comprises a case (3) and a base (4) provided at a bottom of the case (3), the first air intake opening (21) is provided at the case (3), and the second air intake opening is provided at the base (4).
3. The air conditioner according to claim 2, wherein the first suction port (21) is provided at a rear surface of the case (3).
4. The air conditioner according to claim 2, further comprising third air inlets (32) provided at both sides of the case (3), the third air inlets (32) communicating with the second air suction opening (22).
5. The air conditioner according to claim 4, characterized in that the ratio of the upper layer to the lower layer of the centrifugal wind wheel (1) is 1, and the sum of the air intake areas of the second air intake opening and the third air intake opening (32) is the same as the air intake area of the first air intake opening (21);
or the ratio of the upper layer to the lower layer of the centrifugal wind wheel (1) is less than 1, and the sum of the air inlet areas of the second air inlet and the third air inlet (32) is less than the air inlet area of the first air inlet (21);
or the ratio of the upper layer to the lower layer of the centrifugal wind wheel (1) is larger than 1, and the sum of the air inlet areas of the second air inlet and the third air inlet (32) is larger than the air inlet area of the first air inlet (21).
6. The air conditioner according to claim 2, wherein the second air inlet includes a front air inlet (41) provided to a front panel of the base (4) and/or a rear air inlet (42) provided to a rear panel of the base (4).
7. The air conditioner according to claim 6, wherein the forward air inlet (41) is provided at a bottom end of the base (4).
8. The air conditioner according to any one of claims 2 to 7, wherein an intermediate partition (5) is provided between the housing (3) and the base (4), and the intermediate partition (5) is provided with an air inlet opening (51) communicating an inner cavity of the base (4) with the second air suction opening (22).
9. The air conditioner according to any one of claims 1 to 3, wherein the centrifugal wind wheel (1) has an upper and lower layer ratio of 0.2 to 5, wherein the upper and lower layer ratio of the centrifugal wind wheel is a ratio of a height of the upper layer impeller (12) to a height of the lower layer impeller (11).
10. The air conditioner according to any one of claims 1 to 3, characterized in that the ratio of the upper layer to the lower layer of the centrifugal wind wheel (1) is 1, and the air inlet area of the second air inlet is the same as the air inlet area of the first air inlet (21);
or the ratio of the upper layer to the lower layer of the centrifugal wind wheel (1) is less than 1, and the air inlet area of the second air inlet is smaller than the air inlet area of the first air inlet (21) and is the same;
or the ratio of the upper layer to the lower layer of the centrifugal wind wheel (1) is larger than 1, and the air inlet area of the second air inlet is smaller than that of the first air inlet (21) and is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665995.4U CN203518026U (en) | 2013-10-24 | 2013-10-24 | air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665995.4U CN203518026U (en) | 2013-10-24 | 2013-10-24 | air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203518026U true CN203518026U (en) | 2014-04-02 |
Family
ID=50376954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320665995.4U Expired - Fee Related CN203518026U (en) | 2013-10-24 | 2013-10-24 | air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203518026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566634A (en) * | 2013-10-24 | 2015-04-29 | 珠海格力电器股份有限公司 | Air conditioner |
| CN107529605A (en) * | 2017-07-25 | 2018-01-02 | 广东美的制冷设备有限公司 | Cabinet type air conditioner indoor machine and there is its air conditioner |
-
2013
- 2013-10-24 CN CN201320665995.4U patent/CN203518026U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566634A (en) * | 2013-10-24 | 2015-04-29 | 珠海格力电器股份有限公司 | Air conditioner |
| CN104566634B (en) * | 2013-10-24 | 2018-07-03 | 珠海格力电器股份有限公司 | Air conditioner |
| CN107529605A (en) * | 2017-07-25 | 2018-01-02 | 广东美的制冷设备有限公司 | Cabinet type air conditioner indoor machine and there is its air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20211024 |