CN211953014U - Air conditioner indoor unit - Google Patents
Air conditioner indoor unit Download PDFInfo
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- CN211953014U CN211953014U CN202020168252.6U CN202020168252U CN211953014U CN 211953014 U CN211953014 U CN 211953014U CN 202020168252 U CN202020168252 U CN 202020168252U CN 211953014 U CN211953014 U CN 211953014U
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- 238000005119 centrifugation Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 1
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Abstract
The utility model provides an indoor unit of air conditioner, include: the air conditioner comprises a shell, a first air outlet is formed in the top end of the shell, a second air outlet and an air inlet grille are formed in the middle of the shell, the first air outlet and the second air outlet face the front of the shell, and the air inlet grille is arranged behind the shell corresponding to the second air outlet; the centrifugal fan component is arranged at the upper end of the shell, a centrifugal air channel is arranged in the centrifugal fan component, and the centrifugal fan component is communicated with the first air outlet through the centrifugal air channel; the cross-flow fan component is arranged at the lower end of the casing, a cross-flow air channel is arranged in the cross-flow fan component, and the cross-flow fan component is communicated with the second air outlet through the cross-flow air channel; and the heat exchanger is arranged between the second air outlet and the air inlet grille, the upper end of the heat exchanger is enclosed outside the centrifugal fan component, and the lower end of the heat exchanger is enclosed outside the cross-flow fan component. The technical effects of the utility model: the upper end of the shell is provided with a centrifugal fan component, and the lower end of the shell is provided with a cross flow fan component, so that the air conditioner has two air outlet modes.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner, especially, relate to an indoor unit of air conditioner.
Background
At present, a single fan component is usually arranged inside an air conditioner indoor unit, and the single fan component only has one air outlet mode and cannot meet the requirements of the current market on multiple air outlet modes.
Disclosure of Invention
The utility model aims at the above-mentioned technical problem, a machine in air conditioning is proposed.
In order to achieve the above object, the utility model discloses a technical scheme be:
an indoor unit of an air conditioner, comprising:
the air conditioner comprises a shell, a first air outlet, a second air outlet and an air inlet grille, wherein the top end of the shell is provided with the first air outlet, the middle part of the shell is provided with the second air outlet and the air inlet grille, the first air outlet and the second air outlet face the front of the shell, and the air inlet grille is arranged at the rear of the shell corresponding to the second air outlet;
the combined air channel is arranged in the shell and comprises a centrifugal air channel and a through-flow air channel which are arranged oppositely up and down, and the ratio range of the length a of the centrifugal air channel in the vertical direction to the length b of the through-flow air channel in the vertical direction meets the requirements that a: b is (3: 7) - (2: 3); and
the centrifugal fan is arranged in the centrifugal air duct, and the cross-flow fan is arranged in the cross-flow air duct;
the heat exchanger is arranged in the shell and positioned between the air inlet grille and the combined air duct;
under the action of the centrifugal fan and the cross-flow fan, the air enters the shell from the air inlet grille, after heat exchange is carried out through the heat exchanger, one part of the air flows into the centrifugal air duct and is blown out from the first air outlet, and the other part of the air flows into the cross-flow air duct and is blown out from the second air outlet.
Preferably, the ratio of the length a of the centrifugal air duct in the vertical direction to the length b of the through-flow air duct in the vertical direction further satisfies: a: b is 7: 13.
Preferably, a rotation axis of the cross flow fan is parallel to a height direction of the casing.
Preferably, the heat exchanger is arranged around the outer side of the cross flow fan, and the cross flow fan sends air passing through the heat exchanger into the cross flow air duct.
Preferably, the outer side and the outer side of the centrifugal air duct are provided with a duplex centrifugal volute.
Preferably, the heat exchanger is a U-shaped steam heat exchanger, the closed end of the heat exchanger is close to the air inlet grille, and the open end of the heat exchanger is close to the second air outlet.
Preferably, the height direction of the heat exchanger is consistent with the height direction of the machine shell; the height direction of the air inlet grille is consistent with the height direction of the heat exchanger.
Preferably, the height of the air inlet grille is smaller than that of the heat exchanger.
Preferably, the heat exchanger completely covers the air intake grille, and air passing through the air intake grille flows through the heat exchanger.
Preferably, the casing is provided with a sliding door outside the second air outlet, and the sliding door is used for opening or closing the second air outlet.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
1. the utility model discloses set up centrifugation wind channel and through-flow wind channel in the casing, the inside centrifugal fan that is in centrifugation wind channel, the inside through-flow fan that is in through-flow wind channel, the air-out of first air outlet is followed in centrifugation wind channel, and the through-flow wind channel is from the casing middle part air-out, through setting up centrifugal fan and through-flow fan, makes the air conditioner have two kinds of air-out modes, a centrifugation air-out, a through-flow air-out has two kinds of air-out modes, satisfies the demand of user to the multiple air-out mode of air conditioner.
2. The utility model discloses control centrifugal wind channel at the length a of vertical direction and the length b ratio in vertical direction in through-flow wind channel, through control centrifugal wind channel and through-flow wind channel at the inside shared length of heat exchanger, distribution centrifugal fan and through-flow fan's intake and air output, through control centrifugal fan and through-flow fan's business turn over air output, make two kinds of air-out modes of air conditioner all satisfy the demand that the user goes out the amount of wind to the air conditioner, not only satisfy the demand of user to multiple air-out mode, also can satisfy the demand that the user goes out the amount of wind to the air conditioner.
3. The utility model discloses be provided with the heat exchanger in the casing, centrifugal wind channel sets up inside the first half of heat exchanger, the through-flow wind channel corresponds the setting in the lower half of heat exchanger, the direct heat exchanger air inlet from both sides of centrifugal fan part, the through-flow fan of through-flow fan part is direct from the heat exchanger air inlet, the heat exchanger air inlet is followed to centrifugal fan part both sides, the heat exchanger work efficiency of air conditioner and the air-out efficiency of centrifugal fan part have been improved, the through-flow fan part is from the heat exchanger air inlet, improve the air inlet efficiency of through-flow fan part, the air-out efficiency and the heat exchange efficiency of whole promotion air conditioner, and rationally set up the air conditioner inner space, reduce the.
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 perspective view of a housing;
FIG. 2 is a front view of the housing;
FIG. 3 is a front view of the housing with the sliding door removed;
FIG. 4 is a partial cross-sectional view of a centrifugal fan assembly;
FIG. 5 is a cross-sectional view of the upper half of the housing;
FIG. 6 is an enlarged view taken at A in FIG. 4;
FIG. 7 is a cross-sectional view of a centrifugal fan assembly from above;
FIG. 8 is a schematic view of crossflow blower components
Fig. 9 is a sectional view of the whole of the cabinet;
FIG. 10 is a schematic view of the centrifugal duct length and the cross-flow duct length;
FIG. 11 is a cross-sectional view of the housing in its entirety in a perspective view;
FIG. 12 is a schematic view of air flow during operation of the air conditioner;
in the above figures: 1. a housing; 11. a centrifugal fan component; 111. a first air outlet; 112. a centrifugal air duct; 113. a centrifugal fan; 114. an inlet of a centrifugal air duct; 115. an outlet of the centrifugal air duct 12 and a cross flow fan part; 121. a second air outlet; 122. a cross-flow fan; 123. a through-flow duct; 13. a heat exchanger; 2. A sliding door; 3. an air inlet grille; 4. the air flows in.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An indoor unit of an air conditioner generally includes a casing, a fan unit, and a heat exchanger, where an air outlet is provided in the casing, and air passing through the heat exchanger passes through the fan unit and then is supplied into a room from the air outlet.
Referring to fig. 1 and 2, in the embodiment of the present invention, the casing 1 is cylindrical, the upper end surface of the casing 1 is provided with the first air outlet 111 towards the direction of the user, the sliding door 2 is provided under the first air outlet 111, the sliding door 2 slides on the casing 1, the casing 1 is provided with the air inlet grille 3 opposite to the sliding door 2, and the air inlet grille 3 is used for air inlet and is therefore provided at the back of the casing 1.
Referring to fig. 1 and 3, the casing 1 is located right below the first air outlet 111, the second air outlet 121 is disposed on the inner side of the sliding door 2, the air outlet directions of the first air outlet 111 and the second air outlet 121 are the same and are both towards the user, the height direction of the second air outlet 121 is the same as the height direction of the casing 1, and the air outlet amount of the whole air conditioner is increased.
Referring to fig. 4, 5, 6, 9 and 10, in the embodiment of the present invention, the casing 1 is provided with a centrifugal fan unit 11 at the upper half portion, a heat exchanger 13 is enclosed at the outer side of the centrifugal fan unit 11, the heat exchanger 13 is located between the centrifugal fan unit 11 and the casing 1, centrifugal duct inlets 114 are provided at both sides of the centrifugal fan unit 11, the centrifugal duct inlets 114 at both sides correspond to the heat exchanger 13, a centrifugal air duct outlet 115 is arranged at the top of the centrifugal fan part 11, the centrifugal air duct outlet 115 is communicated with the first air outlet 111, a centrifugal air duct inlet 114 is communicated with the centrifugal air duct outlet 115 to form a centrifugal air duct 112, a centrifugal fan 113 is arranged in the centrifugal air duct 116 of the centrifugal fan part 11, the centrifugal fan 113 is used for sucking air from the centrifugal air duct inlet 114, air is driven to flow out of the first air outlet 111 through the centrifugal air duct 112 from the centrifugal air duct outlet 115 to the first air outlet 111.
Because the upper half of the heat exchanger 13 is surrounded on the outer side of the centrifugal fan component 11, the centrifugal air duct inlet 114 of the centrifugal fan component 11 directly corresponds to the heat exchanger 13, the air passing through the heat exchanger 13 directly enters the centrifugal air duct 112 of the centrifugal fan component 11, the centrifugal air duct outlet 115 directly corresponds to the first air outlet 111, the air is directly discharged from the first air outlet 111, the air outlet efficiency and the working efficiency of the air conditioner are improved, and the centrifugal fan component 11 is arranged inside the heat exchanger 13, so that the overall volume of the air conditioner is reduced, and the space utilization rate of the air conditioner is improved.
Referring to fig. 8, 9 and 10, a cross-flow fan 122 is disposed inside a cross-flow fan unit 12 disposed in a lower half portion of a heat exchanger 13, a part of the cross-flow fan 122 is disposed in the cross-flow fan unit 12, the other part of the cross-flow fan is surrounded by the heat exchanger 13, and a direction of a rotational central axis of the cross-flow fan 122 is identical to a height direction of the cabinet 1, so that a contact area between the cross-flow fan 122 and the heat exchanger 13 is large, the cross-flow fan 122 directly enters air through the heat exchanger 13, and the air passing through the heat exchanger 13 is sent into a cross-flow air duct 123 and is discharged from a second air.
Referring to fig. 10, in the present embodiment, the length of the centrifugal air duct 112 in the vertical direction is a, and the length of the cross-flow air duct 123 in the vertical direction is b, where the length a of the centrifugal air duct 112 is a linear distance from the bottom of the centrifugal air duct 112 closest to the cross-flow air duct 123 to the centrifugal air duct 115, and the length b of the cross-flow air duct 123 is a linear distance from the top end of the cross-flow air duct 123 close to the centrifugal air duct 112 to the bottom end of the cross-flow air duct 123 far from the centrifugal air duct 112.
In the present embodiment, the ratio of the length a of the centrifugal duct 112 in the vertical direction to the length b of the through-flow duct 123 in the vertical direction ranges from (1: 2) to (4: 7).
The ratio of the length a of the centrifugal air duct 112 in the vertical direction to the length b of the cross-flow air duct 123 in the vertical direction is selected to be 7: 13, the air conditioner can reasonably distribute air entering from the air inlet grille 3 by controlling the length ratio of the centrifugal air duct 112 to the cross-flow air duct 123, the centrifugal fan part 11 and the cross-flow fan part 12 can suck enough air, the condition that the work load of the fan is overloaded or the air inlet amount is insufficient is prevented, the centrifugal fan part 11 and the cross-flow fan part 12 can work in the best environment, the air outlet amount of the first air outlet 111 and the second air outlet 121 of the air conditioner is increased, and the air supply requirement of a user on the air conditioner is met.
Further, referring to fig. 6, 7, 8 and 9, the upper portion of the heat exchanger 13 is enclosed at the outer side of the centrifugal fan unit 11, the lower portion of the heat exchanger 13 is enclosed at the outer side of the cross flow fan unit 12, the ratio of the vertical length a of the centrifugal air duct 112 to the vertical length b of the cross flow air duct 123 is 7: 13, so that the cross flow fan 122 directly blows air from the heat exchanger 13 into the cross flow air duct 123, the heat exchanger 13 is a U-shaped heat exchanger as a whole, which has a closed end and an open end, the open end of which faces the second outlet 121, the closed end of the heat exchanger is close to the air inlet grille 13, the height direction of the heat exchanger 13 is consistent with the height direction of the machine shell 1, the area of the heat exchanger 13 is larger than that of the air inlet grille 13, so that the heat exchanger 13 can cover the whole air inlet grille 13 and prevent the air from flowing out of the air outlet without passing through the heat exchanger 13.
Referring to fig. 9 and 11, in the present application, a centrifugal fan component 11 is disposed on an upper portion of a casing 1, a centrifugal fan 113 is disposed inside the centrifugal fan component 11, a cross-flow fan component 12 is disposed at a bottom end of the casing 1, a cross-flow fan 122 is disposed inside the cross-flow fan component 12, an air conditioner has a centrifugal air duct 112 and a cross-flow air duct 123, the two air ducts respectively output air from a first air outlet 111 and a second air outlet 121, and a user may select an air output mode of the air conditioner according to his/her needs, such as a centrifugal air output mode, a cross-flow air output mode, or a combination of two air output modes, i.e..
Furthermore, a duplex centrifugal volute is arranged inside the centrifugal fan component 11, air is fed from the heat exchanger 13 enclosed outside the centrifugal fan component 11 through the centrifugal air duct inlets 114 on the two sides, a centrifugal air duct outlet 115 is arranged on the top of the centrifugal air duct outlet 115, the centrifugal air duct outlet 115 is directly arranged corresponding to the first air outlet 111, the centrifugal air duct inlets 114 and the centrifugal air duct outlet 115 are communicated to form a centrifugal air duct 116, the centrifugal fan component 11 is provided with a centrifugal fan 113 in the centrifugal air duct 116, the centrifugal fan 113 is used for sucking air from the centrifugal air to the inlets 114, the air is sucked from the centrifugal air duct outlet 115 to the first air outlet 111 through the centrifugal air duct 116, and the air is driven to flow out from the.
Referring to fig. 8 and 9, the height of the heat exchanger 13 inside the casing 1 is greater than the height of the air inlet grille 3, so that the heat exchanger 13 can completely cover the air inlet grille 3, and the air entering the air inlet grille 3 completely passes through the heat exchanger 13, and since the centrifugal fan unit 11 is disposed on the upper half portion of the heat exchanger 13 and the cross-flow fan unit 12 is disposed on the lower half portion of the heat exchanger 13, the heat exchanger 13 needs to prevent the air from entering the centrifugal fan unit 11 or the cross-flow fan unit 12 without heat exchange, thereby avoiding reduction of the heat exchange efficiency of the air conditioner.
Referring to fig. 9 and 12, when the air conditioner starts to work, air enters the centrifugal air duct 116 from the centrifugal air duct inlet 114, and the air flow direction 4 is driven by the centrifugal fan 113 to enter the first air outlet 111 from the centrifugal air duct outlet 115 and to exit from the first air outlet 111, and since the centrifugal fan part 11 is disposed in the upper half of the heat exchanger 13, the air passes through the heat exchanger 13 and directly enters the centrifugal air duct 112.
Meanwhile, the cross flow fan part 12 is arranged in the lower half part of the heat exchanger 13, the cross flow fan 122 is arranged in the cross flow fan part 12, the rotation central axis of the cross flow fan 122 is parallel to the height direction of the casing 1, therefore, the cross flow fan 122 is fully contacted with the heat exchanger 13, one part of the cross flow fan 122 is positioned in the cross flow air duct 123, the other part of the cross flow fan 122 is fully contacted with the heat exchanger 13, when the cross flow fan 122 rotates to work, air passing through the heat exchanger 13 is sent into the cross flow air duct 123 by the cross flow fan 122, the cross flow air duct 123 is communicated with the second air outlet 121, and a large amount of air passing through the heat exchanger 13 is driven by the cross flow fan 122 to be exhausted from the.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An indoor unit of an air conditioner, comprising:
the air conditioner comprises a shell, a first air outlet, a second air outlet and an air inlet grille, wherein the top end of the shell is provided with the first air outlet, the middle part of the shell is provided with the second air outlet and the air inlet grille, the first air outlet and the second air outlet face the front of the shell, and the air inlet grille is arranged at the rear of the shell corresponding to the second air outlet;
the combined air channel is arranged in the shell and comprises a centrifugal air channel and a through-flow air channel which are arranged oppositely up and down, and the ratio range of the length a of the centrifugal air channel in the vertical direction to the length b of the through-flow air channel in the vertical direction meets the requirements that a: b is (3: 7) - (2: 3); and
the centrifugal fan is arranged in the centrifugal air duct, and the cross-flow fan is arranged in the cross-flow air duct;
the heat exchanger is arranged in the shell and positioned between the air inlet grille and the combined air duct;
under the action of the centrifugal fan and the cross-flow fan, air enters the shell from the air inlet grille, after heat exchange is carried out through the heat exchanger, one part of air flows into the centrifugal air duct and is blown out from the first air outlet, and the other part of air flows into the cross-flow air duct and is blown out from the second air outlet.
2. An indoor unit of an air conditioner according to claim 1, wherein: the ratio of the length a of the centrifugal air duct in the vertical direction to the length b of the through-flow air duct in the vertical direction further satisfies the following conditions: a: b is 7: 13.
3. An indoor unit of an air conditioner according to claim 1, wherein: and the rotating axis of the cross-flow fan is parallel to the height direction of the casing.
4. An indoor unit of an air conditioner according to claim 3, wherein: the heat exchanger is arranged around the outer side of the cross flow fan, and the cross flow fan sends air passing through the heat exchanger into the cross flow air duct.
5. An indoor unit of an air conditioner according to claim 1, wherein: and a duplex centrifugal volute is arranged at the outer side and the outer part of the centrifugal air duct.
6. An indoor unit of an air conditioner according to claim 1, wherein: the heat exchanger is a U-shaped steam heat exchanger, the closed end of the heat exchanger is close to the air inlet grille, and the open end of the heat exchanger is close to the second air outlet.
7. An indoor unit of an air conditioner according to claim 1, wherein: the height direction of the heat exchanger is consistent with the height direction of the shell; the height direction of the air inlet grille is consistent with the height direction of the heat exchanger.
8. An indoor unit of an air conditioner according to claim 7, wherein: the height of the air inlet grille is smaller than that of the heat exchanger.
9. An indoor unit of an air conditioner according to claim 8, wherein: the heat exchanger completely covers the air inlet grille, so that air passing through the air inlet grille flows through the heat exchanger.
10. An indoor unit of an air conditioner according to claim 1, wherein: the shell is arranged on the outer side of the second air outlet and is provided with a sliding door, and the sliding door is used for opening or closing the second air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020168252.6U CN211953014U (en) | 2020-02-13 | 2020-02-13 | Air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020168252.6U CN211953014U (en) | 2020-02-13 | 2020-02-13 | Air conditioner indoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211953014U true CN211953014U (en) | 2020-11-17 |
Family
ID=73174363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020168252.6U Active CN211953014U (en) | 2020-02-13 | 2020-02-13 | Air conditioner indoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211953014U (en) |
-
2020
- 2020-02-13 CN CN202020168252.6U patent/CN211953014U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.1 Haixin Road, Nancun Town, Pingdu City, Qingdao City, Shandong Province Patentee after: Hisense Air Conditioning Co.,Ltd. Country or region after: China Address before: No. 151, Zhuzhou Road, Laoshan District, Qingdao, Shandong Patentee before: HISENSE (SHANDONG) AIR-CONDITIONING Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |