CN217402698U

CN217402698U - Air conditioner indoor unit

Info

Publication number: CN217402698U
Application number: CN202221360558.7U
Authority: CN
Inventors: 陈正忠; 郭华锋; 申亮; 黄民柱; 李德鹏
Original assignee: Hisense Guangdong Air Conditioning Co Ltd
Current assignee: Hisense Guangdong Air Conditioning Co Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-09
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to the technical field of air conditioners and discloses an air conditioner indoor unit, which comprises a casing and a filter screen; the top side of the shell is provided with an air inlet; the filter screen is arranged in the shell and covers the air inlet, the filter screen comprises a filtering area and a blocking area which are sequentially connected, the filtering area is used for filtering air entering from the air inlet, and the blocking area is used for blocking the air entering from the air inlet from entering the shell; wherein the filter screen is movable between a first position and a second position, the filter area covering the air inlet when the filter screen is in the first position; when the filter screen is in the second position, the plugging area covers the air inlet. The utility model discloses an air conditioning indoor unit is when shutting down, and the air can't see through the shutoff region of filter screen, and consequently tiny dust can't fall into indoor set inside, and indoor set is inside cleaner.

Description

Air conditioner indoor unit

Technical Field

The utility model relates to an air conditioning technology field especially relates to an indoor unit of air conditioner.

Background

The indoor unit of the air conditioner is used as a part of an air conditioning system and is arranged indoors and used for exchanging heat with indoor air so as to increase or decrease the indoor temperature.

The air-conditioning indoor unit is provided with an air inlet and an air outlet, wherein a filter screen is arranged at the air inlet to filter air entering the air-conditioning indoor unit and prevent impurities such as dust from entering the air-conditioning indoor unit.

At present, when an indoor unit of an air conditioner is shut down, part of air still passes through a filter screen under the action of irregular movement, so that impurities such as dust and the like attached to the air enter a shell and are attached to an indoor heat exchanger, and the refrigerating or heating effect of the air conditioner is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: provided is an air conditioning indoor unit capable of preventing foreign matter in the air from adhering to a filter screen when the air conditioning indoor unit is stopped.

In order to achieve the above object, the utility model provides an indoor unit of air conditioner, include:

the top side of the shell is provided with an air inlet; and

the filter screen is arranged in the shell and covers the air inlet, the filter screen comprises a filtering area and a blocking area which are sequentially connected, the filtering area is used for filtering air entering from the air inlet, and the blocking area is used for blocking air and dust entering from the air inlet from entering the shell;

wherein the filter screen is movable between a first position and a second position, the filter area covering the air inlet when the filter screen is in the first position; when the filter screen is in the second position, the plugging area covers the air inlet.

In some embodiments, the sealing region is made of a plastic film, and a hot-melt region is provided between the sealing region and the filter region for connecting the sealing region and the filter region.

In some embodiments, the area ratio of the plugging region to the filtration region is 1: 7 to 1: 5.

in some embodiments, further comprising:

a self-cleaning element mounted within the housing;

the filtering area comprises a plurality of sub-areas which are connected in sequence; when the filter screen moves between the first position and the second position, the self-cleaning piece is sequentially arranged opposite to each sub-area, and the self-cleaning piece can clean the sub-areas arranged opposite to the self-cleaning piece.

In some embodiments, further comprising:

a first reel extending in a left-right direction and rotatably installed in the housing; and

the second scroll extends along the left-right direction and is rotatably installed in the shell, and the first scroll and the second scroll are arranged at intervals;

the filter screen is arranged on the filter area, the first end of the filter screen is wound on the first reel, the second end of the filter screen is wound on the second reel, and the filter screen moves between the first position and the second position through winding on the first reel and the second reel.

In some embodiments, the first winding shaft is formed by splicing a first part and a second part which are detachably connected, the first part and the second part respectively extend along the left-right direction, and the cross section of the first part and the second part is arc-shaped; the second reel is formed by splicing a third part and a fourth part which are detachably connected, the third part and the fourth part respectively extend along the left-right direction, and the cross sections of the third part and the fourth part are arc-shaped; the first end is sandwiched between the first portion and the second portion, and the second end is sandwiched between the third portion and the fourth portion.

In some embodiments, the first portion and the second portion are removably connected by a snap, and the third portion and the fourth portion are removably connected by a snap.

In some embodiments, a first seat is disposed on an inner side surface of the first portion, a second seat is disposed on an inner side surface of the second portion, and the first end is clamped between the first seat and the second seat; a third seat body is arranged on the inner side surface of the third part, a fourth seat body is arranged on the inner side surface of the fourth part, and the second end is clamped between the third seat body and the fourth seat body.

In some embodiments, further comprising:

and the driving assembly can drive the filter screen to wind or unwind on the first reel and the second reel.

In some embodiments, the self-cleaning member includes a roll brush extending in a left-right direction and rotatably installed in the housing; the driving assembly comprises a motor and a transmission mechanism; the transmission mechanism comprises a driving gear, a first driven gear, a second driven gear, an intermediate gear and a third driven gear: the driving gear is connected to an output shaft of the motor; the first driven gear is meshed with the driving gear and is connected with the end part of the first reel, the second driven gear is meshed with the first driven gear and is connected with the end part of the second reel, and the intermediate gear is meshed with the first driven gear; the third driven gear is meshed with the intermediate gear and is connected with the end part of the rolling brush.

The embodiment of the utility model provides an indoor unit of air conditioner compares with prior art, and its beneficial effect lies in:

when the air conditioner indoor unit of the utility model normally works, the filter screen is positioned at the first position, and the filtering area covers the air inlet and plays a normal filtering function; when the air conditioner indoor unit is shut down, the filter screen moves from the first position to the second position, the air inlet is covered by the plugging area, and air and dust are blocked by the plugging area and cannot enter the interior of the shell.

Based on above-mentioned working process, the utility model discloses an air conditioning indoor unit is when shutting down, and the air can't see through the shutoff region of filter screen, therefore inside debris such as dust can not enter into the casing, indoor unit is inside cleaner to the refrigeration heating effect of air conditioner has been improved

Drawings

Fig. 1 is a structure view of a filter screen of an indoor unit of an air conditioner according to an embodiment of the present invention.

Fig. 2 is an overall structure view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 3 is a front view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 4 is a sectional view taken along a-a in fig. 3.

Fig. 5 is an exploded view of a first reel of an indoor unit of an air conditioner according to an embodiment of the present invention.

Fig. 6 is another exploded view of the first scroll of the indoor unit of an air conditioner according to the embodiment of the present invention.

Fig. 7 is an exploded view of a second reel of an indoor unit of an air conditioner according to an embodiment of the present invention.

Fig. 8 is another exploded view of the second winding shaft of the indoor unit of an air conditioner according to the embodiment of the present invention.

Fig. 9 is a structural view of the indoor unit of an air conditioner according to the embodiment of the present invention after the casing is removed.

Fig. 10 is an enlarged view at B in fig. 9.

In the figure, 100, a housing; 110. an air inlet;

200. filtering with a screen; 210. a filtration zone; 220. plugging the area; 230. a first end; 240. a second end;

300. rolling and brushing;

400. a first reel; 410. a first portion; 411. a first seat body; 420. a second portion; 421. a second seat body;

500. a second reel; 510. a third portion; 511. a third seat body; 520. a fourth part; 521. a fourth seat body;

600. a drive assembly; 610. a motor; 620. a transmission mechanism; 621. a drive gear; 622. a first driven gear; 623. a second driven gear; 624. an intermediate gear; 625. a third driven gear.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "left and right", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, 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, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the field of air conditioning, a heat exchanger is arranged in an indoor unit of an air conditioner, the indoor unit is arranged indoors and heats or cools indoor air through the built-in heat exchanger to achieve the heating or cooling effect, generally, the indoor unit comprises a casing 100, a heat exchanger arranged in the casing 100 and connected with an outdoor unit of the air conditioner, and a fan used for sucking and pumping the indoor air, wherein when the indoor unit works, the fan rotates to suck the indoor air from an air inlet 110 on the casing 100, so that the indoor air is pumped out from an air outlet on the casing 100 after passing through the heat exchanger to exchange heat with the heat exchanger.

As shown in fig. 1 to 10, an indoor unit of an air conditioner according to an embodiment of the present invention includes a casing 100 and a filter screen 200; the top side of the casing 100 is provided with an air inlet 110; the filter screen 200 is disposed in the chassis 100 and covers the air inlet 110, the filter screen 200 includes a filtering area 210 and a blocking area 220 connected in sequence, the filtering area 210 is used for filtering air entering from the air inlet 110, and the blocking area 220 is used for blocking air and dust entering from the air inlet 110 from entering into the chassis 100; wherein the filter screen 200 is capable of moving between a first position and a second position, and when the filter screen 200 is in the first position, the filter area 210 covers the intake vent 110; when the filter screen 200 is in the second position, the blocking area 220 covers the air inlet 110.

When the air conditioner indoor unit of the embodiment normally works, the filter screen 200 is located at the first position, and the filter area 210 covers the air inlet 110 and has a normal filter function; when the indoor unit of the air conditioner is stopped, the filter screen 200 moves from the first position to the second position, the blocking area 220 covers the air inlet 110, and air and dust are blocked by the blocking area 220, so that dust is prevented from entering the inside of the casing 100.

It can be understood that the filtering area 210 is an area provided with a plurality of through holes with smaller apertures, and air can enter the interior of the cabinet through the plurality of through holes on the filtering area 210, but large particles of dust and other impurities in the air cannot pass through the through holes, thereby performing a function of filtering the air conventionally. The blocked area 220 is an area without through holes through which air and dust cannot pass.

Based on the above working process, when the air-conditioning indoor unit of the embodiment is stopped, air and dust cannot penetrate through the blocking area 220 of the filter screen 200, so that impurities such as dust and the like are reduced and enter the casing 100 through the air inlet 110 and are attached to the heat exchanger or the fan, the interior of the indoor unit is cleaner, and the cooling or heating effect of the air-conditioning indoor unit is improved.

In some embodiments, referring to fig. 1 to 10, the sealing region 220 is made of plastic film, and a hot-melt region for connecting the sealing region 220 and the filtering region 210 is disposed between the sealing region 220 and the filtering region 210. In this embodiment, the filtering area 210 and the sealing area 220 are connected into a whole by hot melting, so that the connection effect is stable, and the sealing area 220 made of plastic film is not easy to be pulled and damaged.

In some embodiments, referring to fig. 1-10, the area ratio of the plugging region 220 to the filtering region 210 is 1: 7 to 1: 5. in this embodiment, through the area of rationally setting up shutoff region 220 and filtration region 210, can reach when the normal work of air conditioning indoor set, can effectively filter the air, when the machine is shut down to the air conditioning indoor set, can effectively keep apart the dust and enter into inside casing 100, can reduce the holistic volume size of filter screen 200 again to avoid filter screen 200 to occupy too big space.

In some embodiments, referring to fig. 1-10, a self-cleaning element is also included; the self-cleaning element is arranged in the machine shell 100; the filtering area 210 includes a plurality of sub-areas connected in sequence; when the filter screen 200 moves between the first position and the second position, the self-cleaning elements are sequentially disposed to face the respective sub-areas, and the self-cleaning elements can clean the sub-areas disposed to face the self-cleaning elements. In this embodiment, in combination with the provision of the self-cleaning element, when the air-conditioning indoor unit is stopped and the filter screen 200 moves from the first position to the second position, the filter screen 200 and the self-cleaning element move relative to each other, and the self-cleaning element can clean each sub-area of the filter area 210, and the filter screen 200 can be cleaned and maintained by the downtime of the air-conditioning indoor unit.

In some embodiments, please refer to fig. 1 to 10, further comprising a first reel 400 and a second reel 500; the first bobbin 400 extends in the left-right direction and is rotatably installed in the cabinet 100; the second scroll 500 extends in the left-right direction and is rotatably installed in the cabinet 100, and the first scroll 400 and the second scroll 500 are arranged at intervals; wherein the filtering area 210 is provided with a first end 230 wound on the first reel 400, the blocking area 220 is provided with a second end 240 wound on the second reel 500, and the filter screen 200 is moved between the first position and the second position by being wound on the first reel 400 and the second reel 500. In this embodiment, through the rolling and unreeling of first spool 400 and second spool 500, realize the removal of filter screen 200 between primary importance and second place, can guarantee that filter screen 200 is the tensioning all the time and make filter screen 200 can move between primary importance and second place smoothly.

In some embodiments, referring to fig. 1 to 10, the first reel 400 is formed by splicing a first portion 410 and a second portion 420 which are detachably connected, wherein the first portion 410 and the second portion 420 respectively extend in the left-right direction and have an arc-shaped cross section; the second reel 500 is formed by splicing a third part 510 and a fourth part 520 which are detachably connected, wherein the third part 510 and the fourth part 520 respectively extend along the left-right direction and have arc-shaped sections; the first end 230 is sandwiched between the first portion 410 and the second portion 420, and the second end 240 is sandwiched between the third portion 510 and the fourth portion 520. In this embodiment, the first and

second reels

400 and 500 are both configured as a two-part structure, and the first and second ends 230 and 240 are fixed to the first and

second reels

400 and 500 by clamping, so that the filter net 200 can be stably coupled to the first and

second reels

400 and 500, respectively.

In some embodiments, referring to fig. 1-10, the first portion 410 and the second portion 420 are detachably connected by a snap, and the third portion 510 and the fourth portion 520 are detachably connected by a snap. In this embodiment, the first portion 410 and the second portion 420 are connected by means of a snap, and the third portion 510 and the fourth portion 520 are connected by means of a snap, so that the filter screen 200 can be taken out for thorough cleaning.

In some embodiments, referring to fig. 1 to 10, a first seat 411 is disposed on an inner side surface of the first portion 410, a second seat 421 is disposed on an inner side surface of the second portion 420, and the first end 230 is clamped between the first seat 411 and the second seat 421; the third seat 511 is disposed on the inner side of the third portion 510, the fourth seat 521 is disposed on the inner side of the fourth portion 520, and the second end 240 is clamped between the third seat 511 and the fourth seat 521. In this embodiment, the positions of the snap connections are built in the first reel 400 and the second reel 500, so that the outsides of the first reel 400 and the second reel 500 are kept flat, and the filter screen 200 can be conveniently wound on the first reel 400 and the second reel 500.

In some embodiments, referring to fig. 1 to 10, a driving assembly 600 is further included; the driving assembly 600, the driving assembly 600 can drive the filter screen 200 to wind or unwind on the first roller 400 and the second roller 500. In this embodiment, the driving assembly 600 is disposed to enable the first reel 400 and the second reel 500 to rotate automatically, so as to drive the filter screen 200 to switch between the first position and the second position automatically.

In some embodiments, referring to fig. 1 to 10, the self-cleaning element includes a roller brush 300 extending in a left-right direction and rotatably installed in the housing 100; the driving assembly 600 includes a motor 610 and a transmission 620; the transmission mechanism 620 includes a drive gear 621, a first driven gear 622, a second driven gear 623, an intermediate gear 624, and a third driven gear 625: the driving gear 621 is connected to the output shaft of the motor 610; a first driven gear 622 is engaged with the driving gear 621 and connected to an end of the first reel 400, a second driven gear 623 is engaged with the first driven gear 622 and connected to an end of the second reel 500, and an intermediate gear 624 is engaged with the first driven gear 622; the third driven gear 625 is engaged with the intermediate gear 624 and connected with the end of the roll brush 300. In this embodiment, through the arrangement of the transmission mechanism 620, the motor 610 can synchronously drive the first reel 400, the second reel 500 and the rolling brush 300 to rotate by driving a plurality of components with the same power source, thereby simplifying the arrangement of the driving assembly 600.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An indoor unit of an air conditioner, comprising:

the top side of the shell is provided with an air inlet; and

the filter screen is arranged in the machine shell and covers the air inlet, the filter screen comprises a filtering area and a blocking area which are sequentially connected, the filtering area is used for filtering air entering from the air inlet, and the blocking area is used for blocking the air and dust entering from the air inlet from entering the machine shell;

wherein the filter screen is movable between a first position and a second position, the filter area covering the air inlet when the filter screen is in the first position; when the filter screen is in on the second position, the shutoff region covers the air intake.

2. An air conditioning indoor unit according to claim 1, wherein the blocking area is made of a plastic film, and a hot-melt area for connecting the blocking area and the filter area is provided between the blocking area and the filter area.

3. An indoor unit of an air conditioner according to claim 1, wherein an area ratio of the blocking area to the filtering area is 1: 7 to 1: 5.

4. an indoor unit of an air conditioner according to claim 1, further comprising:

a self-cleaning element mounted within the housing;

5. An indoor unit of an air conditioner according to claim 4, further comprising:

6. An indoor unit of an air conditioner according to claim 5, wherein the first winding shaft is formed by splicing a first part and a second part which are detachably connected, the first part and the second part extend in the left-right direction respectively, and the cross sections of the first part and the second part are arc-shaped;

the second reel is formed by splicing a third part and a fourth part which are detachably connected, the third part and the fourth part respectively extend along the left-right direction, and the cross sections of the third part and the fourth part are arc-shaped;

the first end is sandwiched between the first portion and the second portion, and the second end is sandwiched between the third portion and the fourth portion.

7. An indoor unit of an air conditioner according to claim 6, wherein the first part and the second part are detachably connected by a snap, and the third part and the fourth part are detachably connected by a snap.

8. An indoor unit of an air conditioner as claimed in claim 6, wherein a first seat is provided on an inner side surface of the first part, a second seat is provided on an inner side surface of the second part, and the first end is clamped between the first seat and the second seat;

a third seat body is arranged on the inner side surface of the third part, a fourth seat body is arranged on the inner side surface of the fourth part, and the second end is clamped between the third seat body and the fourth seat body.

9. An indoor unit of an air conditioner according to claim 5, further comprising:

10. An indoor unit of an air conditioner according to claim 9, wherein the self-cleaning member includes a roll brush extending in a left-right direction and rotatably installed in the casing;

the driving assembly comprises a motor and a transmission mechanism; the transmission mechanism comprises a driving gear, a first driven gear, a second driven gear, an intermediate gear and a third driven gear: the driving gear is connected to an output shaft of the motor; the first driven gear is meshed with the driving gear and is connected with the end part of the first reel, the second driven gear is meshed with the first driven gear and is connected with the end part of the second reel, and the intermediate gear is meshed with the first driven gear; the third driven gear is meshed with the intermediate gear and is connected with the end part of the rolling brush.