CN210267516U - Indoor unit of air conditioner - Google Patents

Indoor unit of air conditioner Download PDF

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Publication number
CN210267516U
CN210267516U CN201921089956.8U CN201921089956U CN210267516U CN 210267516 U CN210267516 U CN 210267516U CN 201921089956 U CN201921089956 U CN 201921089956U CN 210267516 U CN210267516 U CN 210267516U
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China
Prior art keywords
air
duct assembly
fan
indoor unit
heat exchanger
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Active
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CN201921089956.8U
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Chinese (zh)
Inventor
孙合庆
曲明伟
赵现枫
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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Priority to CN201921089956.8U priority Critical patent/CN210267516U/en
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Abstract

The utility model provides an indoor unit of air conditioner belongs to air conditioning technology field. The air conditioner comprises a shell, wherein an upper air outlet and a lower air outlet which are vertically arranged are formed on the front side of the shell, and an air inlet is formed on the rear side of the shell; the heat exchanger is positioned in the shell and is arranged corresponding to the air inlet; the air duct assembly is used for guiding air from the heat exchanger to the upper air outlet and the lower air outlet and comprises an upper air duct assembly and a lower air duct assembly, a first fan is arranged in the upper air duct assembly, and a second fan is arranged in the lower air duct assembly; a gap between the air duct assembly and the heat exchanger forms an air inlet area; the partition plate is positioned between the upper air duct assembly and the lower air duct assembly and at least partially positioned in the air inlet area, and the projection of the part of the partition plate positioned in the air inlet area on the horizontal plane covers more than 70% of the projection of the air inlet area on the horizontal plane. The utility model discloses the effectual and energy-conserving advantage of air supply.

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 of the indoor unit of most of the existing cabinet air conditioners is arranged at the rear side of the shell, the centrifugal fan corresponds to the air intake, the air outlet is arranged at the upper part of the front side of the shell, air flows through the centrifugal fan from the air intake and then is sent out from the air outlet, the air flow flowing distance is long, the energy consumption is large, and then the structure of the upper fan and the lower fan is arranged, so that the distance between the air inlet and the air outlet is as small as possible, and the air flow at the joint of the upper fan and the lower fan.
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 air-conditioning indoor unit comprises
The air conditioner comprises a shell, a fan and a fan, wherein the front side of the shell is provided with an upper air outlet and a lower air outlet which are vertically arranged, and the rear side of the shell is provided with an air inlet;
the heat exchanger is positioned in the shell and is arranged corresponding to the air inlet;
the air duct assembly is used for guiding air from the heat exchanger to the upper air outlet and the lower air outlet and comprises an upper air duct assembly and a lower air duct assembly, a first fan is arranged in the upper air duct assembly, and a second fan is arranged in the lower air duct assembly; a gap between the air duct assembly and the heat exchanger forms an air inlet area;
the baffle is located between the upper air duct assembly and the lower air duct assembly and at least partially located in the air inlet area, and the projection of the part of the baffle located in the air inlet area on the horizontal plane covers more than 70% of the projection of the air inlet area on the horizontal plane.
Preferably, the first fan is a centrifugal fan, the second fan is a cross-flow fan, and the second fan is located below the first fan.
Preferably, the air suction openings of the upper air duct assembly face to two sides of the shell, and the air exhaust openings of the upper air duct assembly face to the upper side; the inlet scoop of wind channel subassembly orientation down in the rear side of casing, the air exit of wind channel subassembly orientation down the front side of casing.
Preferably, the partition plate may be integrally formed with the lower end of the upper duct assembly or the partition plate may be integrally formed with the upper end of the lower duct assembly.
Preferably, the upper end plate and the lower end plate are arranged at the upper end and the lower end of the lower air duct assembly, a side plate is connected between the upper end plate and the lower end plate, and the second 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 lower 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 lower air outlet, and the air guide plates are rotatably connected to the frame.
Preferably, the projections of the first fan and the second fan at the air inlet fall into the overcurrent area of the air inlet.
Preferably, the air inlet is formed by a grille.
Preferably, the upper air duct assembly is located above the lower air duct assembly, the heat exchanger is a vertically extending 'U' -shaped heat exchanger, an open end of the heat exchanger faces the front, and the upper air duct assembly and the lower air duct assembly are located on the inner side 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.
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 upper air channel assembly and the lower air channel assembly which are arranged up and down, can meet the requirements of users on different air volumes, and improves user experience; through set up the baffle between last wind channel subassembly and lower wind channel subassembly for both mutual independence, complementary interference avoids at last wind channel subassembly and the mutual interference of lower wind channel subassembly air inlet juncture 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 an exploded view of the upper duct assembly and the lower duct assembly of FIG. 1;
FIG. 4 is a schematic structural view of the upper duct assembly and the lower duct assembly of FIG. 1;
FIG. 5 is a front view of FIG. 1;
FIG. 6 is a sectional view taken along line F of FIG. 5;
FIG. 7 is a cross-sectional view of a portion of the heat exchanger, fan and air duct assembly of FIG. 1;
FIG. 8 is a schematic view of the lower duct assembly and the wind guiding structure of FIG. 1;
FIG. 9 is a schematic view of the lower duct assembly and the wind guiding structure shown in FIG. 1 from another perspective;
in the above figures: 1. a housing; 11. a lower air outlet; 12. an upper 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. an air duct assembly; 51. an upper duct assembly; 511. an upper air channel air suction opening; 512. an upper air duct exhaust port; 52. a lower duct assembly; 521. an upper end plate; 522. a lower end plate; 523. a side plate; 524. an air inlet of the lower air duct; 525. an air exhaust port of the lower air duct; 6. a wind guide structure; 61. a frame; 62. a longitudinal air deflector; 63. a transverse air deflector; 7. an air intake 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.
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, specifically, as shown in fig. 1-9, the indoor unit comprises a casing 1, a heat exchanger 2 and an air duct assembly 5, the air duct assembly 5 is used for guiding air to flow, the air duct assembly 5 comprises an upper air duct assembly 51 and a lower air duct assembly 52, a centrifugal fan 31 is positioned in the upper air duct assembly 51 and is internally provided with a first fan, and a second fan is arranged in the lower air duct assembly 52. Wherein, the inside of the casing 1 is enclosed to form an accommodating space, and the upper duct assembly 51 and the lower duct assembly 52 are located in the accommodating space. An air inlet 13 is formed at the back of the machine shell 1, the air inlet 13 is formed by a grille 131, and a plurality of air outlets are formed at the front of the air inlet 13 (here, "front" refers to the surface of the indoor unit facing the 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 upper duct assembly 51 and the lower duct assembly 52 are arranged up and down inside the housing 1, i.e. the upper duct assembly 51 is located above the lower duct assembly 52. The air outlets comprise an upper air outlet 12 and a lower air outlet 11, the upper air outlet 12 corresponds to the upper air duct component 51 and is positioned at the upper part of the indoor unit, the lower air outlet 11 corresponds to the lower air duct component 52 and is positioned at the middle part of the indoor unit, and the flow area of the lower air outlet 11 is two times or more than that of the upper air outlet 12.
Through the arrangement of the upper air duct assembly 51, the lower air duct assembly 52 and the corresponding air outlets, a large air supply area is realized, and the air supply efficiency is improved; air supply with different air quantities can be realized by controlling the work of the fans in different air channels; preferably, the first fan may be a centrifugal fan 31, the second fan 32 may be a cross-flow fan 32, and the centrifugal fan 31 and the cross-flow fan 32 are used as an example for description below: only the centrifugal fan 31 is started, and the cross flow fan 32 is closed, so that minimum air volume air supply can be realized; the cross flow fan 32 is turned on, the centrifugal fan 31 is turned off, and middle-level air volume air supply can be realized; and 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 upper air duct assembly 51 and the lower air duct assembly 52 act simultaneously, air flows at the joint of the air inlet area and the air outlet area interfere with each other, the air supply effect is weakened, and the air conditioner indoor unit is separated by arranging the partition plate 4 between the air inlet area and the air outlet area, so that the air inlets of the upper air duct assembly 51 and the lower air duct assembly 52 are independent from each other and do not intersect. Namely, the partition plate 4 is arranged between the upper air duct assembly 51 and the lower air duct assembly 52, air enters the machine shell 1 from the air inlet 13, after heat exchange through the heat exchanger 2, a part of air is guided by the upper air duct assembly 51 and sent out from the upper air outlet 12, a part of air is guided by the lower air duct assembly 52 and sent out from the lower air outlet 11, the air supply efficiency is ensured, and the air supply efficiency is independent and does not influence each other. The air conditioner indoor unit separates the upper air duct assembly 51 from the lower air duct assembly 52 through the partition plate 4, avoids the problem that air flow intersects in an air inlet area and reduces air supply efficiency, and has the advantage of high air supply efficiency.
In this air conditioning indoor unit, the clearance that is located between wind channel subassembly 3 and the heat exchanger 2 is the air inlet region 7 of indoor unit, baffle 4 is located between upper wind channel subassembly 51 and the lower wind channel subassembly 52, and the level sets up in air inlet region 7, the projection that the part that the baffle is located air inlet region 7 on the horizontal plane covers air inlet region 7 more than 70% of projection on the horizontal plane, thereby divide air inlet region 7 into two upper and lower intervals, this indoor unit is through setting up baffle 4 at air inlet region 7, can make even when sharing an air intake 13 at upper wind channel subassembly 51 and lower wind channel subassembly 52, can not produce the up-and-down air current and intersect yet. The air inlet 13 extends in the vertical direction and covers the air inlet areas of the upper air duct assembly 51 and the lower air duct assembly 52, 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 upper air duct assembly 51 and the lower air duct assembly 52 are located on the inner side of the front of the heat exchanger 2, and the projections of the centrifugal fan 31 and the cross-flow fan 32 in the direction of the air inlet 13 fall into the overcurrent area of the air inlet 13.
In some embodiments, as shown in fig. 6, there may be a slight gap between the partition 4 and the heat exchanger 2, which also provides an isolation effect and less stringent requirements on the precision of 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.
Referring to fig. 3 and 4, the upper end plate 521 and the lower end plate 522 are disposed at the upper end and the lower end of the lower duct assembly 52, the side plate 523 is connected between the upper end plate 521 and the lower end plate 522, and the crossflow blower 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 baffle plate 4 is integrally formed with the upper end plate 521, the upper end plate 521 serves as the baffle plate 4, and the rear side edge of the upper end plate 521 is shaped to conform to the inner wall of the heat exchanger 2.
Similarly, in another embodiment, a bottom plate may be disposed at the bottom end of the upper duct assembly 51, the partition plate 4 is integrally formed with the bottom plate of the upper duct assembly 51, and the bottom plate of the upper duct assembly 51 serves as the partition plate 4; or a separate partition plate 4 is provided between the upper duct assembly 51 and the lower duct assembly 52; as long as can separate the regional 7 of air inlet in upper and lower wind channel, play the effect of reposition of redundant personnel, all belong to the utility model discloses a protection scope.
In some embodiments, referring to fig. 1-4, the centrifugal fan 31 in the upper air duct assembly 51 is a duplex centrifugal fan, the upper air duct suction opening 511 faces the left and right sides of the housing 1, the upper air duct exhaust opening 512 faces the upper side, a machine head is connected above the upper air duct assembly 51, an upper air outlet 12 is formed on the machine head, and the upper air duct assembly 51 guides air to be sent out from the upper air duct suction opening 511 and the upper air duct exhaust opening 512 through the upper air outlet 12 on the machine head; the lower air channel suction opening 524 of the lower air channel assembly 52 faces the rear side of the casing 1, the lower air channel exhaust opening 525 faces the front side of the casing 1, and the lower air channel assembly 52 guides air to pass through the lower air outlet 11 and be discharged from the lower air channel suction opening 524 and the lower air channel exhaust opening 525.
Referring to fig. 5, 8 and 9, the lower air outlet 11 is rectangular; the air-conditioning indoor unit further comprises an air guide structure 6, wherein the air guide structure 6 is arranged corresponding to the lower air outlet 11 and comprises a frame 61, a longitudinal air guide plate 62 and a transverse air guide plate 62, the frame 61 is located on the periphery of the lower air outlet 11 and can be fixedly connected with the lower air duct assembly 52, and the longitudinal air guide plate 62 and the transverse air guide plate 62 can rotate relative to the frame 61 to change the air outlet direction of the lower 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 the front side of the shell is provided with an upper air outlet and a lower air outlet which are vertically arranged, and the rear side of the shell is provided with an air inlet;
the heat exchanger is positioned in the shell and is arranged corresponding to the air inlet;
the air duct assembly is used for guiding air from the heat exchanger to the upper air outlet and the lower air outlet and comprises an upper air duct assembly and a lower air duct assembly, a first fan is arranged in the upper air duct assembly, and a second fan is arranged in the lower air duct assembly; a gap between the air duct assembly and the heat exchanger forms an air inlet area;
the baffle is located between the upper air duct assembly and the lower air duct assembly and at least partially located in the air inlet area, and the projection of the part of the baffle located in the air inlet area on the horizontal plane covers more than 70% of the projection of the air inlet area on the horizontal plane.
2. An indoor unit of an air conditioner according to claim 1, wherein the first fan is a centrifugal fan, the second fan is a cross-flow fan, and the second fan is located below the first fan.
3. An indoor unit of an air conditioner according to claim 1, wherein the suction ports of the upper duct assembly face both sides of the casing, and the exhaust ports of the upper duct assembly face an upper side; the inlet scoop of wind channel subassembly orientation down the rear side of casing, the air exit of wind channel subassembly orientation down the front side of casing.
4. An indoor unit of an air conditioner according to claim 1, wherein the partition plate is formed integrally with a lower end of the upper duct assembly or the partition plate is formed integrally with an upper end of the lower duct assembly.
5. An indoor unit of an air conditioner according to claim 1, wherein an upper end plate and a lower end plate are arranged at the upper end and the lower end of the lower air duct assembly, a side plate is connected between the upper end plate and the lower end plate, and the second 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.
6. An indoor unit of an air conditioner according to claim 1,
the lower 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 lower air outlet, and the air guide plates are rotatably connected to the frame.
7. The indoor unit of claim 1, wherein a projection of the first fan and the second fan on the air inlet falls into an overcurrent area of the air inlet.
8. An indoor unit of an air conditioner according to claim 1, wherein the air inlet is formed of a grill.
9. An indoor unit of an air conditioner according to claim 1, wherein the upper duct assembly is located above the lower duct assembly, the heat exchanger is a vertically extending "U" -shaped heat exchanger with an open end facing forward, and the upper duct assembly and the lower duct assembly are located inside of the front of the heat exchanger.
10. An indoor unit of an air conditioner according to claim 9, wherein an end of the partition plate adjacent to the air intake side is attached to an inner side of the heat exchanger.
CN201921089956.8U 2019-07-12 2019-07-12 Indoor unit of air conditioner Active CN210267516U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921089956.8U CN210267516U (en) 2019-07-12 2019-07-12 Indoor unit of air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921089956.8U CN210267516U (en) 2019-07-12 2019-07-12 Indoor unit of air conditioner

Publications (1)

Publication Number Publication Date
CN210267516U true CN210267516U (en) 2020-04-07

Family

ID=70048898

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921089956.8U Active CN210267516U (en) 2019-07-12 2019-07-12 Indoor unit of air conditioner

Country Status (1)

Country Link
CN (1) CN210267516U (en)

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