CN210267509U - Indoor unit of air conditioner - Google Patents

Indoor unit of air conditioner Download PDF

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Publication number
CN210267509U
CN210267509U CN201921101044.8U CN201921101044U CN210267509U CN 210267509 U CN210267509 U CN 210267509U CN 201921101044 U CN201921101044 U CN 201921101044U CN 210267509 U CN210267509 U CN 210267509U
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China
Prior art keywords
air
fan
indoor unit
heat exchanger
cross
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CN201921101044.8U
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Chinese (zh)
Inventor
孙合庆
赵现枫
曲明伟
张江
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Hisense Shandong Air Conditioning Co Ltd
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Hisense Shandong Air Conditioning Co Ltd
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Abstract

The utility model provides an air-conditioning indoor unit, which belongs to the technical field of air-conditioning, and comprises a casing, wherein at least two air outlets which are vertically arranged are formed on the front side of the casing, and an air inlet is formed on the rear side of the casing; the heat exchanger is arranged in the shell; a fan, comprising: the centrifugal fan and the cross flow fan are arranged in the casing up and down, and the diameter ratio of the centrifugal fan to the cross flow fan is 0.2-5; the baffle is positioned between the centrifugal fan and the cross-flow fan and at least partially positioned in a gap between the fan and the heat exchanger so as to divide the air subjected to heat exchange by the heat exchanger into two parts; and air enters the shell from the air inlet, after heat exchange is carried out by the heat exchanger, one part of the air is sent out from the air outlet corresponding to the centrifugal fan, and the other part of the air is sent out from the air outlet corresponding to the cross-flow fan. The utility model has the advantages of good air supply effect and energy conservation.

Description

Indoor unit of air conditioner
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, the air intake setting of current most cabinet air conditioner indoor set is in the rear side of casing, and centrifugal fan corresponds in air intake department, and the air outlet setting is on the positive side upper portion of casing, and the air is followed the air intake, sees off from the air outlet behind the centrifugal fan of flowing through, and the air current flow distance of flowing through is longer, and energy consumption is great, and then has appeared setting up the structure of fan from top to bottom for distance between the business turn over wind gap is minimum as far as possible, nevertheless how to avoid upper and lower air current to disturb, it is to realize the effect of supplying air the biggest the utility model discloses the.
Disclosure of Invention
The utility model discloses to foretell technical problem, provide an air conditioning indoor unit that air supply is effectual, energy-conserving.
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 fan and a fan, wherein at least two air outlets which are vertically distributed are formed in the front side of the shell, and air inlets are formed in the rear side of the shell;
the heat exchanger is arranged in the shell;
a fan, comprising:
the centrifugal fan and the cross flow fan are arranged in the casing up and down, and the diameter ratio of the centrifugal fan to the cross flow fan is 0.2-5; and
a partition plate positioned between the centrifugal fan and the cross flow fan and at least partially positioned in a gap between the fan and the heat exchanger to divide the air subjected to heat exchange by the heat exchanger into two parts;
and air enters the shell from the air inlet, after heat exchange is carried out by the heat exchanger, one part of the air is sent out from the air outlet corresponding to the centrifugal fan, and the other part of the air is sent out from the air outlet corresponding to the cross-flow fan.
Preferably, the centrifugal fan is located above the cross-flow fan, the heat exchanger is a vertically extending "U" -shaped heat exchanger with an open end facing forward, and the centrifugal fan and the cross-flow fan are located inside the heat exchanger in front of the heat exchanger.
Preferably, one end of the partition board close to the air inlet side is attached to the inner side of the heat exchanger.
Preferably, the indoor unit of the air conditioner further comprises an upper volute and a lower volute, the centrifugal fan is located in the upper volute, and the cross-flow fan is located in the lower volute.
Preferably, the partition is horizontally disposed between the upper volute and the lower volute.
Preferably, the partition plate is integrally formed with a lower end of the upper scroll casing, or the partition plate is integrally formed with an upper end of the lower scroll casing.
Preferably, the upper end plate and the lower end plate are arranged at the upper end and the lower end of the lower volute, a side plate is connected between the upper end plate and the lower end plate, and the cross-flow fan is positioned in a space defined by the side plate, the upper end plate and the lower end plate; the partition plate is the upper end plate.
Preferably, the air outlet includes:
the first air outlet corresponds to the cross flow fan and is positioned in the middle of the indoor unit of the air conditioner;
the second air outlet corresponds to the centrifugal fan and is positioned at the upper part of the indoor unit of the air conditioner;
the flow area of the second air outlet is two times or more than that of the first air outlet.
Preferably, the second air outlet is rectangular;
the air conditioner indoor unit further comprises an air guide structure, the air guide structure comprises a frame and a plurality of air guide plates arranged at the second air outlet, and the air guide plates are rotatably connected to the frame and can rotate synchronously to change the air outlet direction of the second air outlet.
Preferably, the projections of the centrifugal fan and the cross-flow fan in the direction of the air inlet fall into the overcurrent area of the air inlet.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
the air conditioner indoor unit realizes control of different air volumes through the centrifugal fan and the cross flow fan which are arranged up and down, can meet the requirements of users on different air volumes, and improves the user experience; through set up the baffle between centrifugal fan and cross-flow fan, can play the reposition of redundant personnel effect, avoid at the air current intersection of centrifugal fan and cross-flow fan, the mutual interference of air current can reach fine air supply effect and practiced thrift energy consumption simultaneously, has that the air supply is effectual, energy-conserving advantage.
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 structural view of the indoor unit of the air conditioner of the present invention;
FIG. 2 is an exploded view of the heat exchange module of FIG. 1;
FIG. 3 is a schematic view of the upper and lower volutes of FIG. 1;
FIG. 4 is a front view of FIG. 1;
FIG. 5 is a sectional view taken along line F of FIG. 4;
FIG. 6 is a cross-sectional view of the heat exchanger, fan and volute portions of FIG. 1;
FIG. 7 is a schematic view of the lower volute and the air guiding structure in FIG. 1;
FIG. 8 is a schematic view of the lower volute and the air guiding structure shown in FIG. 1 from another perspective;
in the above figures: 1. a housing; 11. a second air outlet; 12. a first air outlet; 13. an air inlet; 131. A grid; 2. a heat exchanger; 3. a fan; 31. a centrifugal fan; 32. a cross-flow fan; 4. a partition plate; 5. a volute; 51. an upper volute; 52. a lower volute; 521. an upper end plate; 522. a lower end plate; 523. a side plate; 6. a wind guide structure; 61. a frame; 62. a longitudinal air deflector; 63. a transverse air deflector; 7. and an air inlet area.
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.
The utility model discloses an air-conditioning indoor unit integrates the functions of air-conditioning heat exchange, purification, fresh air and humidification, wherein, the modules of purification, fresh air and humidification are positioned at the bottom of the indoor unit, and the air-conditioning heat exchange module is positioned above; the indoor unit of the air conditioner is designed with a structure of middle air supply and upper rotary air supply, and particularly, as shown in figures 1-8, the indoor unit comprises a casing 1, a heat exchanger 2, a centrifugal fan 31 and a cross-flow fan 32. Wherein, the casing 1 is enclosed with a containing space, and the heat exchanger 2, the centrifugal fan 31 and the cross flow fan 32 are positioned in the containing space. An air inlet 13 is formed at the back of the machine shell 1, the air inlet 13 can be formed by a grid 131, and a plurality of air outlets are formed at the front of the machine shell 1 (the front refers to the surface of the indoor unit facing a user when in use, and the opposite surface is the back); the heat exchanger 2 is arranged in the casing 1 and corresponds to the air inlet 13, and forms a circulating system together with the compressor, the condenser, the throttling device, the connecting pipeline and the like, so that the refrigeration and heating of the air conditioner are realized.
The centrifugal fan 31 and the cross flow fan 32 are arranged up and down in the casing 1, namely the cross flow fan 32 is positioned below the centrifugal fan 31, in the indoor unit, the diameter ratio of the centrifugal fan 31 to the cross flow fan 32 is 0.2-5, and the optimal value is 0.7-1.3, so that the maximum fan power is realized on the premise of ensuring the compact structure of the product. The air outlets comprise a first air outlet 12 and a second air outlet 11, the first air outlet 12 corresponds to the centrifugal fan 31 and is positioned at the upper part of the indoor unit, the second air outlet 11 corresponds to the cross flow fan 32 and is positioned at the middle part of the indoor unit, and the flow area of the second air outlet 11 is two times or more than that of the first air outlet 12. Since the centrifugal fan 31 is an upper outlet, the first outlet 12 is located above the centrifugal fan 31 in the vertical direction, and the centrifugal fan 31 is preferably a duplex centrifugal fan with the air suction openings facing the left and right sides of the casing 1. The centrifugal fan 31 and the cross flow fan 32 are arranged up and down, and the corresponding air outlets are arranged, so that a large air supply area is realized, and the air supply efficiency is improved; moreover, the air supply with different air volumes can be realized by controlling the work of different fans, for example, the air supply with the minimum air volume can be realized by only starting the centrifugal fan 31 and closing the cross flow fan 32; the cross flow fan 32 is turned on, and the centrifugal fan 31 is turned off, so that middle-level air volume air supply can be realized; the centrifugal fan 31 and the cross flow fan 32 are simultaneously started to realize the air supply with the maximum air quantity. Furthermore, by changing the wind speeds of the two fans, more kinds of air supply modes can be obtained, so that various requirements of users can be met, and the use experience of the users is improved.
When the centrifugal fan 31 and the cross flow fan 32 are used at the same time, as the centrifugal fan 31 and the cross flow fan 32 simultaneously suck air from the air inlet 13, air flows at the intersection of the air inlet area and the cross flow fan 32 will interfere with each other, and the air supply effect is weakened, the air conditioner indoor unit is separated between the air inlet area and the cross flow fan 32 through the partition plate 4, so that the air inlets of the centrifugal fan 31 and the cross flow fan 32 are independent from each other, and no intersection is generated. That is, the partition plate 4 is arranged between the centrifugal fan 31 and the cross flow fan 32, air enters the casing 1 from the air inlet 131, after heat exchange is performed by the heat exchanger 2, a part of air is sent out from the first air outlet 12 corresponding to the centrifugal fan 31, and a part of air is sent out from the second air outlet 11 corresponding to the cross flow fan 32, the air and the air are independent from each other and do not affect each other, and respective air supply efficiency is ensured. The centrifugal fan 31 and the cross flow fan 32 are separated by the partition plate 4, the problem that air flows of the centrifugal fan and the cross flow fan are intersected in an air inlet area to reduce air supply efficiency is solved, and the air conditioner indoor unit has the advantage of high air supply efficiency.
In the indoor unit of the air conditioner, as shown in fig. 6, the area between the fan 3 and the heat exchanger 2 is the air inlet area 7 of the indoor unit, and one end of the partition plate 4 close to the air inlet side extends towards the direction of the heat exchanger 2, so that the air inlet area 7 is divided into an upper section and a lower section, that is, at least part of the partition plate 4 is positioned in the air inlet area 7 to separate an upper air passage and a lower air passage, and the indoor unit can prevent the upper air flow and the lower air flow from intersecting even when the centrifugal fan 31 and the cross flow fan 32 share one air inlet 13 by arranging the partition plate 4 in the air inlet area 7; the air inlet 13 extends in the vertical direction, the heat exchanger 2 is arranged corresponding to the air inlet 13 and also extends in the vertical direction, the heat exchanger 2 is a U-shaped heat exchanger, the opening end of the heat exchanger faces the front, the centrifugal fan 31 and the cross flow fan 32 are located on the inner side of the front of the heat exchanger 2, and the projection of the centrifugal fan 31 and the cross flow fan 32 in the direction of the air inlet 13 falls into the overcurrent area of the air inlet 13.
In some embodiments, as shown in fig. 5, the partition 4 and the heat exchanger 2 may have a slight gap therebetween, which also provides an isolation effect and requires less precision for the partition 4. As a preferred embodiment, one end of the partition plate 4 close to the air inlet side is attached to the inner side of the heat exchanger 2, so that the function of completely separating air flow can be achieved.
The indoor unit of the air conditioner further comprises a volute 5, wherein the volute 5 comprises an upper volute 51 and a lower volute 52, the upper volute 51 and the lower volute 52 form an air channel and guide the air flow subjected to heat exchange by the heat exchanger 2 to be sent out from an air outlet, the centrifugal fan 31 is positioned in the upper volute 51, and the cross-flow fan 32 is positioned in the lower volute 52.
The upper and lower ends of the lower scroll 52 have an upper end plate 521 and a lower end plate 522, a side plate 523 is connected between the upper end plate 521 and the lower end plate 522, and the cross flow fan 32 is located in a space surrounded by the upper end plate 521, the lower end plate 522 and the side plate 523.
In some embodiments, the partition plate 4 is integrally formed with the upper end plate 521, i.e., the upper end plate 521 serves as the partition plate 4, and the rear side edge of the upper end plate 521 corresponds in shape to the inner wall of the heat exchanger 2.
Similarly, in another embodiment, a bottom plate may be provided at the bottom end of the upper volute 51, and the partition plate 4 is integrally formed with the bottom plate of the upper volute 51, and the bottom plate of the upper volute 51 serves as the partition plate 4; or a separate partition plate 4 is provided between the upper volute 51 and the lower volute 52; as long as baffle 4 is located between centrifugal fan 31 and the cross-flow fan 32, and the rear end of baffle 4 extends to heat exchanger 2 direction, plays the effect of reposition of redundant personnel, all belongs to the utility model discloses a scope of protection.
Referring to fig. 4, 7 and 8, the second air outlet 11 is rectangular; the air-conditioning indoor unit further comprises an air guiding structure 6, wherein the air guiding structure 6 is arranged corresponding to the second air outlet 11 and comprises a frame 61, a longitudinal air deflector 62 and a transverse air deflector 63, the frame 61 is located on the periphery of the second air outlet 11 and can be fixedly connected with the lower volute 52, and the longitudinal air deflector 62 and the transverse air deflector 63 can rotate relative to the frame 61 to change the air outlet direction of the second air outlet 11.
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 fan and a fan, wherein at least two air outlets which are vertically distributed are formed in the front side of the shell, and air inlets are formed in the rear side of the shell;
the heat exchanger is arranged in the shell;
a fan, comprising:
the centrifugal fan and the cross flow fan are arranged in the casing up and down, and the diameter ratio of the centrifugal fan to the cross flow fan is 0.2-5; and
the baffle is positioned between the centrifugal fan and the cross-flow fan and at least partially positioned in a gap between the fan and the heat exchanger so as to divide the air subjected to heat exchange by the heat exchanger into an upper part and a lower part;
and air enters the shell from the air inlet, after heat exchange is carried out by the heat exchanger, one part of the air is sent out from the air outlet corresponding to the centrifugal fan, and the other part of the air is sent out from the air outlet corresponding to the cross-flow fan.
2. An indoor unit of an air conditioner according to claim 1, wherein the centrifugal fan is located above the cross-flow fan, the heat exchanger is a vertically extending "U" -shaped heat exchanger having an open end facing forward, and the centrifugal fan and the cross-flow fan are located inside of the front of the heat exchanger.
3. An indoor unit of an air conditioner according to claim 2, wherein an end of the partition plate adjacent to the air inlet side is attached to an inner side of the heat exchanger.
4. The indoor unit of claim 1, further comprising an upper scroll casing and a lower scroll casing, wherein the centrifugal fan is located in the upper scroll casing, and wherein the cross-flow fan is located in the lower scroll casing.
5. An indoor unit of an air conditioner according to claim 4, wherein the partition is horizontally provided between the upper scroll and the lower scroll.
6. An indoor unit of an air conditioner according to claim 4, wherein the partition plate is formed integrally with a lower end of the upper scroll casing, or the partition plate is formed integrally with an upper end of the lower scroll casing.
7. An indoor unit of an air conditioner as claimed in claim 4, wherein the upper and lower ends of the lower scroll casing have an upper end plate and a lower end plate, a side plate is connected between the upper end plate and the lower end plate, and the cross flow fan is located in a space defined by the side plate, the upper end plate and the lower end plate; the partition plate is the upper end plate.
8. An indoor unit of an air conditioner according to claim 1,
the air outlet includes:
the first air outlet corresponds to the cross flow fan and is positioned at the upper part of the indoor unit of the air conditioner;
the second air outlet corresponds to the centrifugal fan and is positioned in the middle of the indoor unit of the air conditioner;
the flow area of the second air outlet is two times or more than that of the first air outlet.
9. An indoor unit of an air conditioner according to claim 8,
the second air outlet is rectangular;
the air conditioner indoor unit further comprises an air guide structure, the air guide structure comprises a frame and a plurality of air guide plates arranged at the second air outlet, and the air guide plates are rotatably connected to the frame.
10. The indoor unit of claim 1, wherein a projection of the centrifugal fan and the cross-flow fan on the intake port falls within an overcurrent area of the intake port.
CN201921101044.8U 2019-07-12 2019-07-12 Indoor unit of air conditioner Active CN210267509U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921101044.8U CN210267509U (en) 2019-07-12 2019-07-12 Indoor unit of air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921101044.8U CN210267509U (en) 2019-07-12 2019-07-12 Indoor unit of air conditioner

Publications (1)

Publication Number Publication Date
CN210267509U true CN210267509U (en) 2020-04-07

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CN201921101044.8U Active CN210267509U (en) 2019-07-12 2019-07-12 Indoor unit of air conditioner

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111623414A (en) * 2020-04-29 2020-09-04 海信(山东)空调有限公司 Air conditioner with double air outlets
CN112594784A (en) * 2020-12-23 2021-04-02 青岛海尔空调器有限总公司 Vertical air conditioner and control method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111623414A (en) * 2020-04-29 2020-09-04 海信(山东)空调有限公司 Air conditioner with double air outlets
CN111623414B (en) * 2020-04-29 2021-09-28 海信(山东)空调有限公司 Air conditioner with double air outlets
CN112594784A (en) * 2020-12-23 2021-04-02 青岛海尔空调器有限总公司 Vertical air conditioner and control method thereof

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