CN115507440A - Air conditioner - Google Patents

Abstract

The invention discloses an air conditioner, comprising: the air conditioner comprises a shell, a first air inlet, a first air outlet, a second air inlet, a second air outlet and a dismounting port, wherein the shell defines a first air channel space and a second air channel space; the air duct assembly drives air to flow from the first air inlet to the first air outlet; the air treatment component is arranged in the second air channel space and comprises: the shell defines a gas flow channel communicated with the second air inlet and the second air outlet; the wind wheel is arranged in the gas flow channel; a first filter assembly installed in the gas flow passage; the second filtering component is detachably arranged in the gas flow channel through the dismounting opening, and the second filtering component is positioned on the air inlet side of the first filtering component in the gas flow direction. According to the air conditioner provided by the embodiment of the invention, the second filtering component and the first filtering component sequentially filter, so that the service life of the first filtering component is prolonged, the shell does not need to be disassembled when the second filtering component is disassembled, and the operation is convenient.

Description

Air conditioner

Technical Field

The invention relates to the technical field of air conditioning, in particular to an air conditioner.

Background

In the related art, after the air conditioner is used for a long time, foreign matters such as hairs are easily accumulated in the air duct and are not easy to clean, and the foreign matters are adhered to functional components such as a HEPA net through the air duct, so that the service life of the functional components is shortened.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. To this end, it is an object of the present invention to provide an air conditioner that improves the service life of the first filter assembly and facilitates the disassembly and cleaning of the second filter assembly.

An air conditioner according to an embodiment of the present invention includes: the air conditioner comprises a shell, a first air channel space and a second air channel space are defined in the shell, the shell is also provided with a first air inlet and a first air outlet which correspond to the first air channel space, and a second air inlet, a second air outlet and a dismounting port which correspond to the second air channel space; the air duct assembly is arranged in the first air duct space to drive air to flow from the first air inlet to the first air outlet; an air handling assembly, the air handling assembly is located the second wind channel space just includes: a housing defining a gas flow passage communicating the second air inlet and the second air outlet; the wind wheel is arranged in the gas flow channel; a first filter assembly mounted within the gas flow passage; and the second filtering component is detachably arranged in the gas flow channel through the dismounting and mounting port, and is positioned on the air inlet side of the first filtering component in the gas flow direction.

According to the air conditioner provided by the embodiment of the invention, the air channel assembly and the air treatment assembly are arranged in the shell, so that the air conditioner has a refrigerating and heating function and an air treatment function, and the air is primarily filtered by the second filter assembly and then filtered by the first filter assembly, so that the air treatment effect and the service life of the first filter assembly are improved, the second filter assembly can be detached and installed through the detaching port on the shell, the replacement and the cleaning are convenient, the operation is simple, the shell does not need to be detached, and the use experience of a user is improved.

In addition, the air conditioner according to the above embodiment of the present invention may further have the following additional technical features:

according to some embodiments of the present invention, the inner side wall of the gas flow channel is provided with a guide sliding groove, an insertion opening of the guide sliding groove is opposite to the mounting and dismounting opening, and the second filter assembly is inserted into the guide sliding groove to be slidably mounted and dismounted along the guide sliding groove.

According to some embodiments of the invention, the housing comprises: the wind wheel is arranged in the volute; the air inlet support is arranged on one side, close to the second air inlet, of the volute, and at least one of the volute and the air inlet support is limited to the guide sliding groove.

According to some embodiments of the invention, at least one of the side wall of the volute and the side wall of the air inlet bracket is provided with a protrusion between the side wall of the volute and the side wall of the air inlet bracket to space the side wall of the volute and the side wall of the air inlet bracket to define the guide chute.

According to some embodiments of the invention, the housing is provided with a receiving groove, the receiving groove is communicated with the dismounting port, and the second filtering assembly comprises: the handle part is accommodated in the accommodating groove; a filter portion connected with the handle portion and located in the gas flow passage.

According to some embodiments of the invention, two opposite guide portions are arranged in the accommodating groove, and the distance between the two guide portions decreases progressively along the insertion direction of the second filter assembly.

According to some embodiments of the present invention, the guide part includes at least one guide rib provided at a groove wall of the receiving groove, or the groove wall of the receiving groove extends obliquely to form the guide part.

According to some embodiments of the invention, the handle portion is provided with a buckling portion, the accommodating groove is internally provided with a buckling matching portion, and the buckling portion is suitable for being buckled with the buckling matching portion when the second filtering assembly is installed in place.

According to some embodiments of the invention, one of the fastening portion and the fastening matching portion is a snap fastener, and the other is provided with a fastening groove.

According to some embodiments of the invention, the filter part is a filter net, and the handle part comprises: the base plate is used for sealing the dismounting opening; the connecting portion are arranged on one side of the base plate, facing the gas flow channel, and connected with one side edge of the filter screen, the number of the buckling portions is two, and the buckling portions are arranged on two sides of the connecting portion in the length direction of one side edge of the filter screen.

According to some embodiments of the present invention, the accommodating groove is provided with two positioning portions arranged at an interval to divide the accommodating groove into an installation region and a fastening region, the fastening mating portion is arranged in the fastening region, and the connecting portion is arranged in the installation region and is in clearance fit with the positioning portions.

According to some embodiments of the invention, the first filter assembly comprises a HEPA screen and the second filter assembly comprises a primary filter screen.

According to some embodiments of the invention, the second filter assembly is located on an air inlet side of the wind wheel, and the first filter assembly is located on an air outlet side or an air inlet side of the wind wheel.

According to some embodiments of the invention, the second air inlet includes a fresh air inlet and an internal circulation air inlet, and the disassembly and assembly port is disposed adjacent to the internal circulation air inlet.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of an air conditioner according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an air conditioner according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an air conditioner according to an embodiment of the present invention;

fig. 4 is an exploded view of an air conditioner according to an embodiment of the present invention;

fig. 5 is a partial structural schematic view of an air conditioner according to an embodiment of the present invention;

fig. 6 is an exploded view of a structure of an air handling unit of an air conditioner according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of FIG. 5;

fig. 8 is a partial structural sectional view of an air conditioner according to an embodiment of the present invention;

FIG. 9 is an enlarged schematic view of FIG. 8 at block A;

fig. 10 is a partial structural view of a case of an air conditioner according to an embodiment of the present invention;

FIG. 11 is an enlarged schematic view of FIG. 10 at circle B;

FIG. 12 is an enlarged schematic view of FIG. 10 at circle C;

fig. 13 is a schematic structural view of an air intake bracket of an air conditioner according to an embodiment of the present invention;

fig. 14 is a partial structural view of a scroll casing of an air conditioner according to an embodiment of the present invention;

fig. 15 is a schematic structural view of a rear case of a cabinet of an air conditioner according to an embodiment of the present invention;

FIG. 16 is an enlarged structural view taken at block D in FIG. 15;

fig. 17 is a schematic structural view of a second filter assembly of an air conditioner according to an embodiment of the present invention;

fig. 18 is a schematic structural view of a handle part of a second filter assembly of an air conditioner according to an embodiment of the present invention.

Reference numerals:

an air conditioner 100;

a housing 10; a first air duct space 11; a first air inlet 111; a first air outlet 112; a second tunnel space 12; the second air inlet 121; a second outlet opening 122; a disassembly and assembly port 123; a fresh air inlet 124; an internal circulation air inlet 125; an accommodating tank 13; a guide portion 131; a guide rib 132; a snap fit portion 133; a positioning portion 134; a mounting area 135; a snap-fit region 136; a top cover 14; an upper panel 15; a lower panel 16; a rear case 17; a heat exchanger 18; a base 19;

an air duct assembly 20;

an air treatment assembly 30; a housing 31; a gas flow passage 311; a guide chute 312; an insertion port 313; a volute 314; an air intake bracket 315; a convex portion 316; an air outlet part 317; a fresh air component 318; a first inlet 319; a second inlet 320; a wind wheel 32; a first filter assembly 33; a second filter assembly 34; a handle portion 341; a filter portion 342; a fastening portion 343; a substrate 344; a connecting portion 345.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

In the description of the present invention, "a first feature" or "a second feature" may include one or more of the features, and "a plurality" means two or more, and the first feature may be "on" or "under" the second feature, and may include the first and second features being in direct contact, or may include the first and second features being not in direct contact but being in contact with another feature therebetween, and the first feature being "on", "above" and "above" the second feature may include the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is higher in level than the second feature.

With the gradual rise of health consciousness of consumers, the air conditioner with the fresh air function has become a development direction of high-end products at present. In the air conditioner with the fresh air function in the related art, the fresh air inlet side does not generally have a primary filtering device. After long-term use, foreign matters such as hair are easily accumulated in the air duct, and the air duct is not easy to clean. Meanwhile, the foreign matters are adhered to the functional modules such as the HEPA network through the air duct, so that the service life of the functional modules is shortened.

Based on the above findings, the present invention provides an air conditioner 100, which has a fresh air function (here, the fresh air function can be fresh air introduced from the outside, or fresh air obtained by air-treating indoor air), and a second filtering component 34 for primary filtering is disposed at the air inlet side, so as to filter out foreign matters such as hair, and the first filtering component 33 performs functional treatments such as dust and sterilization, so that the inside of the air duct is kept clean, and meanwhile, the first filtering component 33 has a long service life.

An air conditioner 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

Referring to fig. 1 to 5, an air conditioner 100 according to an embodiment of the present invention may include: a cabinet 10, a duct assembly 20, and an air handling assembly 30.

Specifically, as shown in fig. 1-4, a first plenum space 11 and a second plenum space 12 may be defined within the enclosure 10. The first air duct space 11 and the second air duct space 12 can be communicated with each other, so that air can flow between the first air duct space 11 and the second air duct space 12, and the air inlet area or the air outlet area can be increased; alternatively, the first tunnel space 11 and the second tunnel space 12 may be isolated from each other.

As shown in fig. 1 to 4, the casing 10 may further have a first air inlet 111, a first air outlet 112, a second air inlet 121, and a second air outlet 122. The first air inlet 111 and the first air outlet 112 may correspond to the first air duct space 11, so that the air flowing into the casing 10 from the first air inlet 111 may flow out from the first air outlet 112 after being processed by the components in the first air duct space 11. The second air inlet 121 and the second air outlet 122 may correspond to the second air channel space 12, so that the air flowing into the casing 10 from the second air inlet 121 may flow out from the second air outlet 122 after being processed by the components in the second air channel space 12.

In the embodiment shown in fig. 4, the housing 10 comprises a rear box 17, a top cover 14, a base 19 and a front shell, the rear box 17 may be made of one or more pieces, the front shell may be made of one or more pieces, and the front shell comprises an upper panel 15 and a lower panel 16 as an example. The lower end of the rear cabinet 17 is connected to the rear of the base 19, the lower end of the lower panel 16 is connected to the front of the base 19, the upper panel 15 is located above the lower panel 16, the upper panel 15 and the lower panel 16 are connected to both side edges of the rear cabinet 17, and the top cover 14 is connected to the upper ends of the upper panel 15 and the rear cabinet 17, thereby forming the cabinet 10 outside the air conditioner 100.

The space between the upper portion of the rear box 17 and the upper panel 15 forms a first air duct space 11, the upper portion of the rear box 17 is provided with a first air inlet 111, and the left and right sides of the upper panel 15 are respectively provided with a first air outlet 112. An outlet opening and closing door may be disposed at the first outlet 112 for opening or closing the first outlet 112. A space between the lower portion of the rear cabinet 17 and the lower panel 16 is formed as the second air passage space 12. The second outlet 122 may be disposed in the rear box 17 or the lower panel 16. In the example shown in fig. 4, the lower portion of the rear box 17 is provided with a second air inlet 121 and a second air outlet 122, the second air outlet 122 is located above the second air inlet 121, and the two second air outlets 122 are respectively provided on the left side portion and the right side portion of the lower portion of the rear box 17.

In some embodiments of the present invention, as shown in fig. 7 and 8, the second air inlet 121 may include a fresh air inlet 124, and the fresh air inlet 124 may introduce external fresh air into the second air duct space 12, so that the fresh air is processed by components in the second air duct space 12 and then exhausted into a room through the second air outlet 122, so as to achieve a fresh air function of providing fresh air into the room.

In some embodiments of the present invention, as shown in fig. 7 and 8, the second inlet opening 121 may include an internal circulation inlet opening 125, and the indoor air may enter the second air channel space 12 through the internal circulation inlet opening 125, so as to be processed by the components in the second air channel space 12 and then return to the indoor through the second outlet opening 122, so that the indoor air can be purified.

In some embodiments including both the fresh air inlet 124 and the internal circulation air inlet 125, the fresh air inlet 124 and the internal circulation air inlet 125 may be respectively provided with a switch valve, and the on/off of the fresh air inlet 124 and the internal circulation air inlet 125 may be respectively controlled by the switch valves, so as to implement the independent or simultaneous performance of the fresh air function and the indoor air purification function.

In the embodiment shown in fig. 3 to 8, the second air inlet 121 includes two inner circulation air inlets 125 and a fresh air inlet 124, the two inner circulation air inlets 125 are respectively disposed at the left side and the right side of the lower portion of the rear cabinet 17 for indoor air circulation treatment, and the fresh air inlet 124 is disposed between the two inner circulation air inlets 125 for communication with the outside and for aesthetic appearance of the air conditioner 100.

According to some embodiments of the present invention, as shown in fig. 4, the air duct assembly 20 may be disposed in the first air duct space 11, and the air duct assembly 20 may operate to drive air to flow from the first air inlet 111 to the first air outlet 112, so as to improve cooling or heating efficiency. In some embodiments of the present invention, the air conditioner 100 further includes a heat exchanger 18, the heat exchanger 18 is disposed in the first air duct space 11, and the air flows through the heat exchanger 18 to exchange heat with the heat exchanger 18 under the driving of the air duct assembly 20, so as to implement a cooling function or a heating function.

Referring to fig. 4-8, an air treatment assembly 30 may be provided in the second plenum space 12, and the air treatment assembly 30 includes a housing 31, a wind wheel 32, a first filter assembly 33, and a second filter assembly 34. Wherein, the housing 31 defines a gas flow passage 311, and the gas flow passage 311 communicates the second air inlet 121 and the second air outlet 122. The wind wheel 32 is disposed in the air flow passage 311 to drive the air to flow from the second air inlet 121 to the second air outlet 122. The first filter element 33 and the second filter element 34 are installed in the air flowing channel 311, and the second filter element 34 is located at the air inlet side of the first filter element 33 in the air flowing direction, in other words, the air flows through the second filter element 34 first and then flows through the first filter element 33.

Thus, the gas is doubly treated by the first filter module 33 and the second filter module 34, and a better purification effect can be achieved.

In some embodiments of the present invention, as shown in fig. 6 and 7, in the air flowing direction, the second filter assembly 34 may be located on the air inlet side of the wind wheel 32, so that the air flows through the wind wheel 32 after being filtered by the second filter assembly 34, thereby preventing the foreign matters such as hair and dust in the air from attaching to or winding on the wind wheel 32 to affect the normal rotation of the wind wheel 32, and also keeping the inside of the air flowing channel 311 clean.

In some embodiments of the present invention, as shown in fig. 6 and 7, the first filter assembly 33 may be located on the air outlet side of the wind wheel 32, or may be located on the air inlet side of the wind wheel 32, i.e. between the wind wheel 32 and the second filter assembly 34, in the air flowing direction, which is within the protection scope of the present invention. In the example shown in fig. 6, the first filter assembly 33 is located on the air outlet side of the wind wheel 32, i.e., the wind wheel 32 is located between the first filter assembly 33 and the second filter assembly 34, so that the wind wheel 32 can provide an efficient air driving force at both the first filter assembly 33 and the second filter assembly 34, thereby improving the efficiency of filtering which is kept efficient at both places.

In some embodiments of the present invention, as shown in fig. 3 to 8, the housing 10 may further include a mounting/dismounting opening 123, and the mounting/dismounting opening 123 corresponds to the second air duct space 12, so that the second filter assembly 34 can be dismounted through the mounting/dismounting opening 123. In the working process of the air treatment assembly 30, the second filter assembly 34 pretreats air, filters most of foreign matters such as hairs, prevents the foreign matters from adhering to the first filter assembly 33, and prolongs the service life of the first filter assembly 33. And can dismantle and install by dismouting mouth 123 through second filtering component 34, make the user can pull down second filtering component 34 in order to wash and change, and need not to dismantle the casing 10 of air conditioner 100 among the dismouting process, can directly operate by dismouting mouth 123, need not the professional, the user can dismantle the washing to second filtering component 34 by oneself, has improved the convenience and the use experience of user operation greatly.

In some embodiments, the second filter assembly 34 may comprise a primary filter screen and the first filter assembly 33 may comprise a HEPA screen. The primary filter screen is mainly used for filtering dust particles with the particle size of more than 5 microns, for example, the primary filter screen can filter foreign matters such as hairs so as to prevent the foreign matters from being adhered to the HEPA screen and reduce the service life of the HEPA screen, and the primary filter screen can be cleaned for reuse, so that the use cost is reduced. The HEPA net can perform dust, sterilization and other functional treatments on the primarily filtered gas, the removal efficiency of particles with the particle size of more than 0.3 mu m can reach more than 99.97 percent, and pollutants such as smoke, dust, bacteria and the like can be effectively removed. The cooperation of primary filter screen and HEPA net can realize excellent air purification treatment effect, and of course, first filter component 33 and second filter component 34's filtration includes but not limited to primary filter screen and HEPA net.

In some embodiments where the second air inlet 121 includes an inner circulation air inlet 125 and a fresh air inlet 124, as shown in fig. 5 and 7, the detaching opening 123 may be disposed adjacent to the inner circulation air inlet 125, for example, may be disposed on a left side portion or a right side portion of the lower portion of the rear box 17, so as to facilitate detachment of the second filter assembly 34 by a user and facilitate better shielding of a connecting pipe and other structures at the fresh air inlet 124.

According to the air conditioner 100 provided by the embodiment of the invention, the air duct assembly 20 and the air processing assembly 30 are arranged in the casing 10, so that the air conditioner 100 has a refrigerating and heating function and an air processing function, the air is primarily filtered by the second filtering assembly 34 and then filtered by the first filtering assembly 33, the air processing effect and the service life of the first filtering assembly 33 are improved, the second filtering assembly 34 can be detached and installed through the detaching port 123 on the casing 10, the replacement and the cleaning are convenient, the operation is simple, the casing 10 does not need to be detached, and the use experience of a user is improved.

According to some embodiments of the present invention, as shown in fig. 7 to 12, the inner side wall of the gas flow channel 311 may be provided with a guide sliding groove 312, and an insertion opening 313 of the guide sliding groove 312 is disposed opposite to the detachment and installation opening 123, so that the second filter assembly 34 can be inserted into the guide sliding groove 312 through the detachment and installation opening 123 and inserted into the insertion opening 313, and slide along the guide sliding groove 312 under the guidance of the guide sliding groove 312, so as to achieve detachment and installation, wherein detachment is simple and convenient, and installation can ensure that the second filter assembly 34 is installed in place, so as to perform sufficient purification treatment on the gas in the gas flow channel 311.

In some embodiments of the present invention, as shown in fig. 7, the gas flows from the back to the front in the area of the guide chute 312, the guide chute 312 extends substantially in the left-right direction, so that the second filter assembly 34 can be slidably mounted and dismounted in the left-right direction, and after being mounted in place, the second filter assembly 34 extends substantially in the left-right direction and the up-down direction, so as to form a larger area of the filtering area, thereby improving the gas flow and the filtering efficiency.

In some embodiments of the present invention, as shown in fig. 10, two guide chutes 312 may be provided, and the two guide chutes 312 are respectively matched with the two side edges of the second filter assembly 34 for guiding, so as to improve the overall movement consistency of the second filter assembly 34 and prevent the second filter assembly 34 from deforming to affect the assembly and disassembly.

In the embodiment of the present invention, the arrangement position and the specific structure of the guide chute 312 can be flexibly arranged according to the actual situation.

In some embodiments of the present invention, as shown in fig. 8-12, the housing 31 may include a volute 314 and an air inlet bracket 315, and the volute 314 and the air inlet bracket 315 may define at least a portion of the gas flow passage 311. The wind wheel 32 may be disposed in the volute 314 to drive the gas flow in the entire gas flow path 311. The air inlet bracket 315 may be disposed at a side of the scroll case 314 near (in the gas flow direction) the second air inlet 121, and the air inlet bracket 315 is connected to the scroll case 314 to communicate the inner spaces thereof. At least one of the volute 314 and the air inlet bracket 315 may define a guide chute 312 to limit the second filter assembly 34 at the air inlet side of the wind wheel 32, so that the air flows through the wind wheel 32 after being filtered by the second filter assembly 34, and the wind wheel 32 is prevented from being wound.

In some embodiments of the present invention, the volute 314 and the intake bracket 315 cooperate to define a guide chute 312. Specifically, as shown in fig. 10 to 14, the side wall of the volute 314 and the side wall of the air inlet bracket 315 are respectively provided with a protrusion 316, and the protrusion 316 is located between the side wall of the volute 314 and the side wall of the air inlet bracket 315, so that the side wall of the volute 314 and the side wall of the air inlet bracket 315 may be spaced apart by a predetermined gap to define the guide chute 312, wherein the protrusion 316 may be formed as a groove bottom wall of the guide chute 312, and the side wall of the volute 314 and the side wall of the air inlet bracket 315 may be formed as a groove side wall of the guide chute 312. Compared with the case that the volute 314 or the air inlet bracket 315 is provided with a groove to form the guide sliding groove 312, the guide sliding groove 312 is limited by the cooperation of the volute 314 and the air inlet bracket 315, so that the structure of the volute 314 and the air inlet bracket 315 is simple and easy to form, the structural strength of the groove wall of the guide sliding groove 312 is high, and the structural strength of the volute 314 and the air inlet bracket 315 can be further improved by the convex part 316.

In the specific embodiment shown in fig. 10-14, the sidewall of the volute 314 may be provided with two protrusions 316, which are referred to as first protrusions 316, the two first protrusions 316 are respectively located at two sides of the gas flow channel 311, the sidewall of the air inlet bracket 315 is also provided with two protrusions 316, which are referred to as second protrusions 316, the two second protrusions 316 and the two first protrusions 316 are arranged in a one-to-one correspondence, and the two first protrusions 316 are respectively located at the sides of the two second protrusions 316 close to or away from each other, so that the adjacent first protrusions 316 and second protrusions 316 can be supported and matched with each other, thereby not only defining the guide chute 312 and improving the strength of the volute 314 and the air inlet bracket 315, but also limiting the volute 314 and the air inlet bracket 315, and further facilitating to reduce or avoid gas leakage from a matching gap between the volute 314 and the air inlet bracket 315.

Of course, the protrusion 316 may be only disposed on the sidewall of the volute 314 or only disposed on the sidewall of the air intake bracket 315, and it is only necessary that the protrusion 316 is located between the sidewall of the volute 314 and the sidewall of the air intake bracket 315 to cooperate with the sidewall of the volute 314 and the sidewall of the air intake bracket 315 to define the guide chute 312. In some embodiments of the invention, the protrusions 316 may be ribs extending perpendicular to the direction of gas flow.

According to some embodiments of the present invention, as shown in fig. 5 and 6, the housing 31 may further include a fresh air component 318 and an air outlet component 317. The wind wheel 32 is a single cross flow wind wheel 32 or a double cross flow wind wheel 32. The fresh air component 318 has a first inlet 319, and the fresh air component 318 is connected to the air inlet bracket 315 and the casing 10, so that the first inlet 319 is communicated with the fresh air inlet 124 on the casing 10. The side of the air inlet bracket 315 is provided with a second inlet 320, and the air inlet bracket 315 is connected to the casing 10 such that the second inlet 320 is communicated with the internal circulation air inlet 125 of the casing 10. The air outlet part 317 is disposed at the upper side of the volute 314 and is communicated with the top opening of the volute 314, the first filter assembly 33 can be mounted on the air outlet part 317, and the air outlet part 317 is connected to the cabinet 10, so that the outlet of the air outlet part 317 is communicated with the second air outlet 122.

According to some embodiments of the present invention, as shown in fig. 5, 9, and 17, the second filter assembly 34 may include a handle portion 341 and a filter portion 342. The filter portion 342 may be positioned in the gas flow passage 311 to filter the gas, and the filter portion 342 may cooperate with the guide chute 312 to guide the removal and installation of the second filter assembly 34. The handle portion 341 is connected to the filter portion 342 to facilitate the user's removal operation.

Further, as shown in fig. 9 and 15 to 16, the housing case 10 may be provided with a receiving groove 13, and the receiving groove 13 communicates with the attaching and detaching port 123. Under the installation state of the second filter assembly 34, the handle portion 341 can be received in the receiving groove 13 to reduce or avoid the protrusion of the handle portion 341 from the outer surface of the casing 10, thereby preventing the second filter assembly 34 from being knocked out by mistake, and making the appearance of the air conditioner 100 more neat and beautiful.

In some embodiments of the present invention, as shown in fig. 15 and 16, two guide portions 131 may be provided in the receiving groove 13, the two guide portions 131 are oppositely disposed, and the distance between the two guide portions 131 decreases in the insertion direction of the second filter assembly 34. Therefore, the opening of the accommodating groove 13 at the end close to the mounting/dismounting opening 123 is large, the opening of the accommodating groove 13 at the end close to the guide sliding groove 312 is small, the mounting/dismounting opening 123 and the accommodating groove 13 can be inserted more easily when the second filter assembly 34 is mounted, the second filter assembly can move into the guide sliding groove 312 under the guidance of the two guide portions 131, the second filter assembly can be aligned with the guide sliding groove 312 more easily, the handle portion 341 can be accommodated in the accommodating groove 13 with enough space, and the user can pull the handle portion 341 more easily.

The present invention is not particularly limited with respect to the specific structure of the guide portion 131. In some embodiments of the present invention, as shown in fig. 16, the guiding portion 131 may include at least one guiding rib 132, the guiding rib 132 is disposed on a groove wall of the receiving groove 13, and a height of the guiding rib 132 protruding from the groove wall of the receiving groove 13 increases along the insertion direction of the second filter assembly 34, so that a distance between the opposite guiding ribs 132 decreases. The guide rib 132 is simple in structure and can improve the structural strength of the casing 10.

In other embodiments, the groove wall of the receiving groove 13 may be obliquely extended to form the guide 131. For example, two groove walls of the receiving groove 13 facing each other may extend close to each other in the insertion direction of the second filter assembly 34, the structure of the cabinet 10 is simpler, and the second filter assembly 34 moves more smoothly along the inclined groove walls.

According to some embodiments of the present invention, the handle portion 341 and the housing 10 may be detachably fastened, so that when the second filter element 34 is installed in place, the handle portion 341 is fastened to the housing 10 to stably fix the second filter element 34 in the housing 10, which is not easy to be dislocated, deformed or dropped, and is convenient to detach.

Specifically, as shown in fig. 15 to 18, the handle portion 341 may be provided with a fastening portion 343, and the receiving groove 13 may be provided therein with a fastening mating portion 133. In a state that the second filter assembly 34 is mounted in place, the fastening portion 343 is located in the receiving groove 13 to fasten with the fastening fitting portion 133, thereby achieving detachable connection of the second filter assembly 34 with the cabinet 10.

The specific structure of the fastening part 343 and the fastening matching part 133 can be flexibly set according to actual situations. In some embodiments of the present invention, one of the fastening portion 343 and the fastening matching portion 133 may be a snap, and the other of the fastening portion 343 and the fastening matching portion 133 may be provided with a fastening groove. The elastic buckle can elastically deform to move into the buckling eraser when being subjected to force action (such as resisting force action), and can recover to deform to be buckled and limited with the edge of the buckling groove after force cancellation, so that the elastic buckle is prevented from being separated from the buckling groove. The elastic buckle structure is beneficial to realizing frequent and repeated disassembly and assembly of the buckling part 343 and the buckling matching part 133, and has long service life, low probability of fatigue and reliable buckling. In some embodiments, the other of the locking portion 343 and the locking mating portion 133 may be a pin defining a locking slot for locking with the snap.

According to some embodiments of the present invention, as shown in fig. 18, the handle portion 341 may include a base plate 344 and a connecting portion 345, the connecting portion 345 is disposed on a side of the base plate 344 facing the gas flow channel 311 to be connected to the filter portion 342, so that the filter portion 342 may extend into the gas flow channel 311, and the base plate 344 may be located at the mounting/dismounting opening 123 and close the mounting/dismounting opening 123, so that the external appearance of the cabinet 10 of the air conditioner 100 is neat and beautiful. The fastening portion 343 may also be disposed on a side of the substrate 344 facing the gas flowing channel 311, so that the fastening structure can be shielded by the substrate 344, thereby preventing the fastening structure from being damaged by touch and providing an attractive appearance.

In some embodiments of the present invention, the side of the base plate 344 facing away from the gas flow channel 311 may be provided with a locking groove, so that the locking groove may be exposed when the removal/installation opening 123 is closed, for facilitating the removal of the second filter assembly 34.

In some embodiments of the present invention, as shown in fig. 17 and 18, the filtering portion 342 may be a filtering net, and the connecting portion 345 may be connected to a side edge of the filtering net, so as to not only achieve connection, but also reduce deformation of the filtering net. The buckling parts 343 are two, in the length direction of the side edge of the filter screen connected with the connecting part 345, the two buckling parts 343 can be respectively arranged at the two sides of the connecting part 345, in other words, the two buckling parts 343 are respectively arranged at the two end parts of the length direction of the base plate 344, so that the anti-deformation effect of the filter screen is further improved, the buckling parts are more reliably connected with the machine shell 10, the edge of the base plate 344 is not easy to tilt, the edge matching gap with the dismounting opening 123 is more uniform, and dust, hair and the like are prevented from entering the air flow channel 311 through the gap.

According to some embodiments of the present invention, as shown in fig. 15 and 16, two positioning portions 134 may be disposed in the receiving groove 13, and the two positioning portions 134 are spaced apart from each other to divide the receiving groove 13 into a mounting area 135 and a fastening area 136. The engaging portion 133 can be disposed in the engaging region 136, and the engaging portion 343 can extend into the engaging region 136 to engage with the engaging portion 133. The connecting portion 345 may extend into the mounting region 135 such that the filter portion 342 extends through the mounting region 135 and into the gas flow passage 311. In addition, the connection parts 345 may be in a clearance fit with the positioning parts 134, for example, in a contact fit or spaced apart by a small distance, whereby the two positioning parts 134 may position the connection parts 345 so that the filter parts 342 connected with the connection parts 345 can be aligned with the guide chutes 312 in the gas flow channel 311, the installation is easier, and the shaking or deformation is less likely to occur.

An air conditioner 100 according to an embodiment of the present invention will be described with reference to the accompanying drawings, it being understood that the following description is illustrative only and should not be taken as limiting the invention.

According to some embodiments of the present invention, as shown in fig. 1-8, an air conditioner 100 may include a cabinet 10, a heat exchanger 18, a duct assembly 20, a control assembly, and an air handling assembly 30. As shown in fig. 4, the casing 10 may include a front casing, a rear box 17, a base 19 and a top cover 14, the front casing may include an upper panel 15 and a lower panel 16, the front casing is provided with a first air outlet 112, and an air outlet opening and closing door may be disposed at a position corresponding to the first air outlet 112, and the air outlet opening and closing door is used to open and close the first air outlet 112; the rear box 17 may be composed of one or more than one block, the rear box 17 may be provided with a first air inlet 111, and the first air inlet 111 may be provided with an air-conditioning return air grille filter screen. Two sides of the rear box 17 are provided with columns for mounting and fixing the evaporator, the air treatment assembly 30 and the control assembly. The rear box 17 may be provided with a second air outlet 122, a detachable opening 123, and a receiving groove 13.

As shown in fig. 4-8, the air treatment assembly 30 may include a housing 31, a first filter assembly 33, a second filter assembly 34, and a wind wheel 32. The housing 31 may include a fresh air component 318, an air inlet bracket 315, a volute 314, and an air outlet component 317, wherein the rear end of the fresh air component 318 is provided with a first inlet 319, the front end of the fresh air component is connected to the rear end of the air inlet bracket 315, the lateral portion of the air inlet bracket 315 is provided with a second inlet 320, the rear end of the volute 314 is connected to the front end of the air inlet bracket 315, the lower end of the air outlet component 317 is connected to the lower end of the volute 314, and the left side and the right side of the air outlet component 317 are respectively provided with outlets to be respectively communicated with the two second air outlets 122 on the housing 10. Thus, the fresh air component 318, the air inlet bracket 315, the volute 314 and the air outlet component 317 cooperate to define the air flow channel 311. The wind wheel 32 is a cross-flow wind wheel or a double cross-flow wind wheel, the wind wheel 32 is disposed in the volute 314, and the rotation circumference of the wind wheel 32 extends in the front-back direction to drive the air in the volute 314 to enter air along the circumferential direction of the wind wheel 32 and to exit air along the radial direction, so as to drive the outdoor air to flow through the air inlet bracket 315 from the fresh air part 318 and enter the volute 314, drive the indoor air to directly enter the volute 314 from the air inlet bracket 315, and drive the air in the volute 314 to flow upward to the air outlet part 317, and finally flow out to the indoor from the second air outlet 122.

In addition, the first filter assembly 33 is installed at the air outlet part 317 and opposite to the upper end outlet of the volute 314 to filter the gas flowing out of the volute 314. The second filter assembly 34 is installed between the volute 314 and the intake bracket 315, so that the indoor air or the outdoor air flowing from the second intake opening 121 flows into the volute 314 after being filtered by the second filter assembly 34. In the air flowing direction, the second filter assembly 34 is disposed on the air inlet side of the wind wheel 32, the first filter assembly 33 is disposed on the air outlet side of the wind wheel 32, the first inlet 319 of the fresh air component 318 is opposite to and communicated with the fresh air inlet 124 of the casing 10, and the second inlet 320 of the air inlet bracket 315 is opposite to and communicated with the internal circulation air inlet 125 of the casing 10, so that the fresh air inlet 124 and the internal circulation air inlet 125 are respectively communicated with the air flowing channel 311. The air flowing in from the fresh air inlet 124 and the internal circulation inlet 125 passes through the second filter assembly 34, then flows through the wind wheel 32, etc., and flows to the first filter assembly 33, and further flows indoors from the second air outlet 122. Therefore, the foreign matters such as hair contained in the indoor/outdoor air are filtered by the second filter assembly 34 and then flow to the first filter assembly 33, so that the service life of the first filter assembly 33 can be prolonged, and the inside of the air flow passage 311 is cleaner.

As shown in fig. 9-18, the second filter assembly 34 may include a handle portion 341 and a filter portion 342. Wherein, the filtering part 342 can be a primary filter screen. The handle portion 341 may include a base 344, latches (i.e., snap-fit portions 343) provided at both ends of the base 344, and a connecting portion 345 for mounting the filter portion 342. The second filter assembly 34 may be removed and cleaned. Protrusions 316 are provided at the mating portions of the volute 314 and the air intake bracket 315, and the guide chutes 312 of the second filter assembly 34 are formed by the mating of the protrusions 316. The accommodating groove 13 of the housing case 10 is provided with a snap (i.e., a snap-fit portion 133), a guiding rib 132 (i.e., a guiding portion 131), and a positioning rib (i.e., a positioning portion 134), a through hole for the second filter assembly 34 to pass through is formed in a bottom wall of the accommodating groove 13, and a notch of the accommodating groove 13 is formed as a mounting/dismounting hole 123. The positioning ribs divide the accommodating groove 13 into three parts: the two fastening regions 136 and the mounting region 135 located between the two fastening regions 136, the fastening region 136 is provided with a snap fastener, the snap fastener can be detachably connected with a latch on the handle portion 341 of the second filter assembly 34 in a matching manner, the mounting region 135 is provided with a guiding convex rib 132, so that the second filter assembly 34 can be smoothly guided into a through hole when being mounted, and then the second filter assembly is mounted into the guiding chute 312 between the volute 314 and the air inlet bracket 315.

Other configurations and operations of the air conditioner 100 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the terms "embodiment," "particular embodiment," "example," etc., 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 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 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 (14)

1. An air conditioner, comprising:

the air conditioner comprises a shell, a first air duct space and a second air duct space are defined in the shell, the shell is further provided with a first air inlet and a first air outlet corresponding to the first air duct space, and a second air inlet, a second air outlet and a dismounting opening corresponding to the second air duct space;

the air duct assembly is arranged in the first air duct space to drive air to flow from the first air inlet to the first air outlet;

an air handling assembly, the air handling assembly is located the second wind channel space just includes:

a housing defining a gas flow passage communicating the second air inlet and the second air outlet;

the wind wheel is arranged in the gas flow channel;

a first filter assembly mounted within the gas flow passage;

and the second filtering component is detachably arranged in the gas flow channel through the dismounting and mounting port, and is positioned on the air inlet side of the first filtering component in the gas flow direction.

2. The air conditioner according to claim 1, wherein the inner side wall of the gas flow passage is provided with a guide sliding groove, an insertion opening of the guide sliding groove is opposite to the mounting and dismounting opening, and the second filter assembly is inserted into the guide sliding groove to be slidably mounted and dismounted along the guide sliding groove.

3. The air conditioner according to claim 2, wherein the housing comprises:

the wind wheel is arranged in the volute;

the air inlet support is arranged on one side, close to the second air inlet, of the volute, and at least one of the volute and the air inlet support limits the guide sliding groove.

4. The air conditioner according to claim 3, wherein at least one of the side wall of the scroll casing and the side wall of the air intake bracket is provided with a protrusion, the protrusion being located between the side wall of the scroll casing and the side wall of the air intake bracket to space the side wall of the scroll casing and the side wall of the air intake bracket apart to define the guide chute.

5. The air conditioner according to any one of claims 1 to 4, wherein the cabinet is provided with a receiving groove communicating with the attaching and detaching port, and the second filter assembly includes:

the handle part is accommodated in the accommodating groove;

the filtering part is connected with the handle part and is positioned in the gas flow channel.

6. The air conditioner as claimed in claim 5, wherein two guide portions are oppositely disposed in the receiving groove, and a distance between the two guide portions decreases in an insertion direction of the second filter assembly.

7. The air conditioner according to claim 6,

the guide part comprises at least one guide convex rib arranged on the groove wall of the accommodating groove, or,

the groove wall of the receiving groove extends obliquely to form the guide portion.

8. The air conditioner as claimed in claim 5, wherein the handle portion has a fastening portion, the receiving groove has a fastening engagement portion, and the fastening portion is adapted to be fastened with the fastening engagement portion when the second filter assembly is mounted in place.

9. The air conditioner according to claim 8, wherein one of the fastening portion and the fastening engagement portion is a snap fastener, and the other is provided with a fastening groove.

10. The air conditioner of claim 8, wherein the filter part is a filter net, and the handle part comprises:

the base plate is used for sealing the dismounting opening;

a connection part arranged on one side of the substrate facing the gas flow passage and connected with one side edge of the filter screen,

the filter screen comprises a filter screen body, a connecting part and two buckling parts, wherein the two buckling parts are arranged on the two sides of the connecting part in the length direction of one side edge of the filter screen.

11. The air conditioner according to claim 10, wherein the receiving groove is provided with two positioning portions arranged at an interval to divide the receiving groove into a mounting region and a fastening region, the fastening engagement portion is provided in the fastening region, and the connection portion is located in the mounting region and is in clearance fit with the positioning portions.

12. The air conditioner of claim 1, wherein the first filter assembly comprises a HEPA screen and the second filter assembly comprises a primary filter screen.

13. The air conditioner according to claim 1, wherein the second filter assembly is located on an air inlet side of the wind wheel, and the first filter assembly is located on an air outlet side or an air inlet side of the wind wheel.

14. The air conditioner of claim 1, wherein the second air inlet comprises a fresh air inlet and an internal circulation air inlet, and the disassembly and assembly port is disposed adjacent to the internal circulation air inlet.

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