CN217357216U

CN217357216U - Air conditioner indoor unit

Info

Publication number: CN217357216U
Application number: CN202221359185.1U
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: 2022-09-02
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, a filter screen, a roller, an elastic piece, a self-cleaning piece and a driving component; 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 roller extends along the left-right direction and is rotatably arranged in the shell, and one end of the filter screen is connected to the roller; one end of the elastic piece is connected to the filter screen and the other end is connected to the shell; the drive assembly is used for driving the rotary drum to rotate to drive the filter screen to move relatively from the cleaning piece, so that the self-cleaning piece is sequentially arranged relatively to each subarea, the self-cleaning piece can clean the subarea relatively arranged to the self-cleaning piece, and the elastic piece can drive the filter screen to reset. The utility model discloses in through the setting of cylinder and elastic component for the filter screen can resume to the state that covers the air intake automatically under the elastic force effect, and drive filter screen rolling is less with open structural component quantity, has simplified the structure that can carry out the filter screen from the air conditioning indoor set that cleans.

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 the air inlet is provided with a filter screen to filter air entering the air-conditioning indoor unit and prevent impurities such as dust and the like from entering the air-conditioning indoor unit; after the air conditioner is used for a period of time, impurities such as dust and the like attached to the filter screen are too much, so that partial filter holes in the filter screen are blocked, the air intake is reduced, and the refrigeration or heating efficiency of the air conditioner is influenced. At present, in order to keep the air conditioner running efficiently, a self-cleaning piece is arranged in an indoor unit of the air conditioner, the filter screen can be cleaned automatically when the air conditioner is shut down, and the self-cleaning piece can be cleaned and maintained periodically.

However, in the current air conditioner indoor unit structure, in order to realize the movement of the filter screen relative to the self-cleaning piece, the structure is generally complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: provided is an air conditioning indoor unit which has a simple structure and can move a filter screen relative to a self-cleaning member.

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;

the filter screen is arranged in the shell and covers the air inlet, and the filter screen comprises a plurality of sub-areas;

the roller extends along the left-right direction and is rotatably installed in the machine shell, and one end of the filter screen is connected to the roller;

one end of the elastic piece is connected to the filter screen, and the other end of the elastic piece is connected to the machine shell;

a self-cleaning element mounted within the housing; and

the driving assembly is used for driving the roller to rotate and drive the filter screen to move relative to the self-cleaning piece, so that the self-cleaning piece is sequentially arranged relative to each sub-area, the self-cleaning piece can clean the sub-area which is arranged relative to the self-cleaning piece, and the elastic piece is used for driving the filter screen to reset.

In some embodiments, the elastic member includes a coil spring sleeved on the outer side of the drum, and the coil spring has a fixed end and a free end opposite to each other, the fixed end is connected to the casing by being installed on the outer side of the drum, and the free end is installed on the filter screen so that one end of the filter screen is connected to the drum.

In some embodiments, further comprising:

the mounting seat is arranged in the machine shell, a mounting cavity is formed in the mounting seat, the roller is arranged in the mounting cavity, a strip-shaped hole is formed in the front side of the mounting seat, and the free end extends out of the strip-shaped hole and is mounted on the filter screen;

the driving assembly is used for driving the roller to rotate and driving the filter screen to be wound into the mounting cavity from the strip-shaped hole through the coil spring.

In some embodiments, the drive assembly comprises:

a first motor;

the connecting rod extends along the left-right direction, and one end of the connecting rod is connected with the output shaft of the first motor and synchronously rotates with the output shaft of the first motor;

the first driving gear is arranged on the connecting rod and rotates along with the connecting rod; and

the first driven gear is meshed with the first driving gear, and the roller is connected with the first driven gear and synchronously rotates with the first driven gear.

In some embodiments, the number of the first driving gears and the first driven gears is two, the drum is located between the two first driven gears, and the two first driven gears are respectively connected with the ends of the drum.

In some embodiments, a groove is provided on an end of the first driven gear, and an end of the drum is snapped into the groove.

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 is used for driving the rolling brush to rotate; the air-conditioning indoor unit further comprises:

the base, the base is folded and is located the below of mount pad and have the opening orientation the dust collection chamber of mount pad, the round brush is in the dust collection intracavity and be used for with adnexed debris brush on the filter screen is removed to the dust collection intracavity, the scavenge port has been seted up to the downside of mount pad, the round brush passes the scavenge port in order with the filter screen contact.

In some embodiments, the drive assembly further comprises:

a second motor;

the second driving gear is connected with the output shaft of the second motor and synchronously rotates with the output shaft of the second motor; and

and the second driven gear is meshed with the second driving gear, and the rolling brush is connected with the second driven gear and synchronously rotates with the second driven gear.

In some embodiments, a gap extending in a left-right direction is formed on an outer side wall of the drum, and the fixing end is mounted on an outer side of the drum by being clamped in the gap.

In some embodiments, the number of the air inlets, the number of the filter screen, the number of the drum, and the number of the elastic members are respectively multiple and one-to-one, and the multiple air inlets are respectively arranged on the housing at intervals along the left-right direction.

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 works, the self-cleaning piece can clean the filter screen, specifically, the driving component works to drive the roller to rotate, so as to drive the filter screen connected to the roller to overcome the elastic force of the elastic piece and wind the filter screen on the roller, so that the filter screen can move relative to the self-cleaning piece, and during the period, the self-cleaning piece cleans all subareas on the filter screen; after cleaning, drive assembly no longer drives the cylinder and rotates, and under the elastic force effect of elastic component, the filter screen resumes to opening state and covers the air intake again by the rolling state, continues to play filtered air's effect, and simultaneously, the cylinder also is along with opening of filter screen and reverse rotation to initial condition, from this, realizes cleaning and restoring to the throne of filter screen.

Based on above-mentioned working process, the utility model discloses in, through the setting of cylinder and elastic component for the filter screen can restore to the state that covers the air intake automatically under the elastic force effect, and drive filter screen rolling is less with open structural component quantity, has simplified the structure that can carry out the filter screen from the air conditioning indoor set that cleans.

Drawings

Fig. 1 is an overall structure diagram of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 2 is a transverse sectional view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is a structural view of the indoor unit of an air conditioner of the embodiment of the present invention after the casing is removed.

Fig. 5 is a structural view of the indoor unit of an air conditioner according to the embodiment of the present invention, with the casing and the base removed.

Fig. 6 is a structural view of the indoor unit of an air conditioner according to an embodiment of the present invention, with the casing, the base, and the filter net removed.

Fig. 7 is a structural diagram of the indoor unit of an air conditioner of the embodiment of the present invention after removing the casing, the base, the filter screen and the coil spring.

Fig. 8 is an enlarged view at B in fig. 7.

Fig. 9 is a base structure view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 10 is a view showing a structure of a mount of an indoor unit of an air conditioner according to an embodiment of the present invention.

In the figure, 100, chassis; 110. an air inlet;

200. filtering with a screen;

300. a drum; 310. a gap;

400. an elastic member; 410. a fixed end; 420. a free end;

500. a mounting seat; 510. a mounting cavity; 520. a strip-shaped hole; 530. a cleaning port;

600. a drive assembly; 610. a first motor; 620. a connecting rod; 630. a first drive gear; 640. a first driven gear; 650. a second motor; 660. a second drive gear; 670. a second driven gear;

700. rolling and brushing;

800. a base; 810. a dust collection chamber.

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; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. 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 being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the field of air conditioning, an indoor unit of an air conditioner is provided with a heat exchanger inside, and the indoor unit is placed indoors and heats or cools indoor air through the built-in heat exchanger to achieve a heating or cooling effect, and generally includes a casing 100, a heat exchanger disposed inside the casing 100 and connected to an outdoor unit of the air conditioner, and a fan for sucking and pumping the indoor air, wherein when the air conditioner works, the fan rotates to suck the indoor air from an air inlet 110 of the casing 100, so that the indoor air is pumped out from an air outlet of 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, a filter screen 200, a drum 300, an elastic member 400, a self-cleaning member, and a driving assembly 600; the top side of the casing 100 is provided with an air inlet 110; the filter screen 200 is disposed in the casing 100 and covers the air inlet 110, and the filter screen 200 includes a plurality of sub-areas; the drum 300 extends in the left and right direction and is rotatably installed in the cabinet 100, and one end of the filter screen 200 is connected to the drum 300; one end of the elastic member 400 is connected to the filter screen 200 and the other end is connected to the cabinet 100; the self-cleaning element is arranged in the machine shell 100; the driving assembly 600 is used for driving the roller 300 to rotate to drive the filter screen 200 to move relatively to the self-cleaning element, so that the self-cleaning element is sequentially arranged relatively to each sub-area, the self-cleaning element can clean the sub-area arranged relatively to the self-cleaning element, and the elastic element 400 is used for driving the filter screen 200 to reset.

When the air conditioner indoor unit of the embodiment works, the self-cleaning element can clean the filter screen 200, specifically, the driving assembly 600 works to drive the drum 300 to rotate, and further drive the filter screen 200 connected to the drum 300 to overcome the elastic force of the elastic element 400 and wind the filter screen on the drum 300, so that the filter screen 200 can move relative to the self-cleaning element, and during the period, the self-cleaning element cleans each sub-area on the filter screen 200; after cleaning, the driving assembly 600 does not drive the roller 300 to rotate any more, and under the elastic force of the elastic element 400, the filter screen 200 is restored to the open state from the rolling state and covers the air inlet 110, so as to continue to filter air, and meanwhile, the roller 300 also rotates reversely to the initial state along with the opening of the filter screen 200, thereby realizing the cleaning and resetting of the filter screen 200.

Based on the above working process, in this embodiment, the arrangement of the roller 300 and the elastic element 400 enables the filter screen 200 to automatically return to the state of covering the air inlet 110 under the action of the elastic force, the number of the structural components for driving the filter screen 200 to wind and stretch is small, and the structure of the air conditioner indoor unit capable of cleaning the filter screen 200 by itself is simplified.

In some embodiments, referring to fig. 1 to 10, the elastic member 400 includes a coil spring which is sleeved on the outer side of the drum 300 and has opposite fixed end 410 and free end 420, the fixed end 410 is connected to the cabinet 100 by being mounted on the outer side of the drum 300, and the free end 420 is mounted on the screen 200 such that one end of the screen 200 is connected to the drum 300. In this embodiment, the coil spring is used as a part of the elastic element 400 and sleeved on the outer side of the drum 300 to reset the filter screen 200, so that the coil spring and the drum 300 occupy the whole space, and the structure of the air-conditioning indoor unit is further simplified; meanwhile, the coil spring can provide good elastic force, and the reset effect of the filter screen 200 is guaranteed.

In some embodiments, referring to fig. 1 to 10, a mounting seat 500 is further included; the mounting seat 500 is arranged in the machine shell 100, the mounting seat 500 is provided with a mounting cavity 510, the roller 300 is arranged in the mounting cavity 510, the front side of the mounting seat 500 is provided with a strip-shaped hole 520, and the free end 420 extends out of the strip-shaped hole 520 and is mounted on the filter screen 200; the driving assembly 600 is used for driving the drum 300 to rotate and rolling the filter screen 200 from the strip-shaped hole 520 into the installation cavity 510 through the coil spring. In this embodiment, the installation seat 500 and the strip-shaped holes 520 are arranged, so that the filter screen 200 can be smoothly rolled into the installation cavity 510.

In some embodiments, referring to fig. 1 to 10, the driving assembly 600 includes a first motor 610, a connecting rod 620, a first driving gear 630 and a first driven gear 640; the connecting rod 620 extends in the left-right direction, and one end of the connecting rod 620 is connected with the output shaft of the first motor 610 and rotates synchronously with the output shaft of the first motor 610; the first driving gear 630 is disposed on the connecting rod 620 and rotates with the connecting rod 620; the first driven gear 640 is engaged with the first driving gear 630, and the drum 300 is connected with the first driven gear 640 and rotates in synchronization with the first driven gear 640. In this embodiment, when the drum 300 rotates, the output shaft of the first motor 610 drives the connecting rod 620 to rotate, and the connecting rod 620 drives the first driving gear 630 disposed thereon to rotate, and further drives the first driven gear 640 to rotate, thereby finally realizing the rotation of the drum 300.

In some embodiments, referring to fig. 1 to 10, the number of the first driving gears 630 and the first driven gears 640 is two, the drum 300 is located between the two first driven gears 640, and the two first driven gears 640 are respectively connected to the ends of the drum 300. In this embodiment, the first motor 610 can simultaneously drive the two first driving gears 630 to rotate through the connecting rod 620, and further drive the two first driven gears 640 to rotate so as to drive the drum 300 to rotate from both sides, thereby improving the stability of the rotation of the drum 300.

In some embodiments, referring to fig. 1 to 10, a groove is formed on an end of the first driven gear 640, and an end of the drum 300 is snapped into the groove. In this embodiment, the end of the drum 300 is engaged with the groove, so that the first driven gear 640 and the drum 300 can be synchronously rotated, and the first motor 610 can drive the drum 300 to rotate the rolling screen 200 through the first driven gear 640.

In some embodiments, referring to fig. 1 to 10, the self-cleaning element includes a roller brush 700 extending in a left-right direction and rotatably installed in the housing 100; the driving assembly 600 is also used for driving the roller brush 700 to rotate; the indoor unit of the air conditioner further comprises a base 800, the base 800 is stacked below the mounting base 500 and has a dust collecting cavity 810 with an opening facing the mounting base 500, the roller brush 700 is located in the dust collecting cavity 810 and is used for brushing the sundries attached to the filter screen 200 to the dust collecting cavity 810, a cleaning opening 530 is formed in the lower side of the mounting base 500, and the roller brush 700 penetrates through the cleaning opening 530 to be in contact with the filter screen 200. In this embodiment, when the filter screen 200 is cleaned, the roller brush 700 rotates, and a portion passing through the cleaning opening 530 and the filter screen 200 move relatively to each other, thereby removing the impurities attached to the filter screen 200, and the removed impurities fall into the dust collecting chamber 810 in the base 800; this realizes the self-cleaning function of the filter 200.

In some embodiments, referring to fig. 1 to 10, the driving assembly 600 further includes a second motor 650, a second driving gear 660, and a second driven gear 670; the second driving gear 660 is connected with an output shaft of the second motor 650 and rotates in synchronization with the output shaft of the second motor 650; the second driven gear 670 is engaged with the second driving gear 660, and the roll brush 700 is connected with the second driven gear 670 and rotates in synchronization with the second driven gear 670. In this embodiment, the second motor 650 rotates to drive the second driving gear 660 to rotate, and further drives the second driven gear 670 to rotate, so as to finally drive the roller brush 700 to rotate to clean the filter screen 200.

In some embodiments, referring to fig. 1 to 10, a gap 310 extending in a left-right direction is formed on an outer sidewall of the drum 300, and the fixing end 410 is mounted on an outer side of the drum 300 by being clamped in the gap 310. In this embodiment, the coil spring is fixed on the outer side of the drum 300 to realize indirect connection to the casing 100, and at the same time, the fixing end 410 of the coil spring is clamped by the gap 310, so that the fixing effect is good, and the coil spring can be prevented from falling off the drum 300.

In some embodiments, referring to fig. 1 to 10, the number of the air inlets 110, the filter screen 200, the drum 300 and the elastic element 400 is plural and one-to-one, and the plural air inlets 110 are respectively disposed on the casing 100 at intervals along the left-right direction. In this embodiment, the air inlet 110, the filter screens 200, the rollers 300, and the elastic member 400 are provided to increase the air inlet amount and the air outlet amount of the indoor unit of the air conditioner of this embodiment, thereby improving the cooling or heating effect.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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;

the filter screen is arranged in the shell and covers the air inlet, and comprises a plurality of sub-areas;

a self-cleaning element mounted within the housing; and

2. An indoor unit of an air conditioner according to claim 1, wherein the elastic member includes a coil spring fitted over an outer side of the drum, and the coil spring has opposite fixed ends connected to the cabinet by being mounted on an outer side of the drum and free ends mounted to the filter net such that one end of the filter net is connected to the drum.

3. An indoor unit of an air conditioner according to claim 2, further comprising:

4. An indoor unit of an air conditioner according to claim 3, wherein the driving unit includes:

a first motor;

5. An indoor unit of an air conditioner according to claim 4, wherein the number of the first driving gears and the first driven gears is two, the drum is located between the two first driven gears, and the two first driven gears are connected to end portions of the drum, respectively.

6. An indoor unit of an air conditioner according to claim 4, wherein a groove is provided on an end of the first driven gear, and an end of the drum is caught in the groove.

7. An indoor unit of an air conditioner according to claim 3, wherein the self-cleaning member includes a roll brush extending in a left-right direction and rotatably installed in the casing; the driving assembly is used for driving the rolling brush to rotate;

the air-conditioning indoor unit further comprises:

8. An indoor unit of an air conditioner according to claim 7, wherein the driving assembly further comprises:

a second motor;

9. An indoor unit of an air conditioner according to claim 2, wherein a gap extending in a right and left direction is formed on an outer side wall of the drum, and the fixing end is installed on an outer side of the drum by being clamped in the gap.

10. An indoor unit of an air conditioner according to claim 1, wherein the number of the air inlets, the filter screen, the drum, and the elastic member is plural and one-to-one, and the plural air inlets are respectively provided on the casing at intervals in the left-right direction.