CN216953273U - Indoor unit of air conditioner - Google Patents

Abstract

The utility model discloses an air conditioner indoor unit, which comprises a shell, an air detection device and a dustproof cover, wherein a cavity is formed in the shell, and a vent hole is formed in the surface of the shell; the air detection device is positioned in the cavity and is arranged near the vent hole, and is used for detecting air entering the cavity through the vent hole; the dust cover covers the air vent, is formed with the mesh on the dust cover, has first locking portion on the dust cover, has in the air vent with first locking portion complex second locking portion. According to the air-conditioning indoor unit provided by the embodiment of the utility model, the dust cover is detachably arranged on the air-conditioning shell through the matching of the first locking part and the second locking part, so that the cleaning efficiency of the dust cover is improved, the cleaning degree of the dust cover has great influence on the performance of an air conditioner, the installation mode of the dust cover is convenient for cleaning the dust cover, the improvement of the refrigeration and heating performance of the air conditioner is facilitated, the energy consumption of the air conditioner in operation is reduced, and the health hidden danger is further eliminated.

Description

Indoor unit of air conditioner

Technical Field

The utility model relates to the field of household appliances, in particular to an air conditioner indoor unit.

Background

In the air conditioner with the PM2.5 module, when the dustproof hole is designed on the face frame, the service life is long, the hole on the face frame is not easy to clean, and the research of a device convenient for cleaning the dustproof hole is very necessary.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, one object of the present invention is to provide an indoor unit of an air conditioner, which is beneficial to improving the cooling and heating performance of the air conditioner, reducing the energy consumption of the air conditioner, and further eliminating the health hidden trouble.

An air conditioning indoor unit according to an embodiment of the present invention includes:

the air detection device comprises a shell, an air detection device and a dustproof cover, wherein a cavity is formed in the shell, and a vent hole is formed in the surface of the shell; the air detection device is positioned in the cavity, is arranged near the vent hole, and detects air entering the cavity through the vent hole; the dustproof cover covers the vent hole, meshes are formed in the dustproof cover, a first locking portion is arranged on the dustproof cover, and a second locking portion matched with the first locking portion is arranged in the vent hole.

According to the air conditioner indoor unit provided by the embodiment of the utility model, the dust cover is detachably arranged at the vent hole, so that air can conveniently enter the cavity of the air conditioner through the vent hole, the air is in contact with the air detection device in the cavity after entering, the air detection device detects the air quality, when the filter screen of the dust cover needs to be cleaned, the dust cover is taken down from the vent hole, the first locking part and the second locking part are detachably connected, so that the filter screen on the dust cover can be cleaned, the dust cover is remounted at the vent hole after being cleaned, and dust substances accumulated on the filter screen of the dust cover are increased, so that the secondary pollution of indoor air can be caused, the air volume entering an air conditioning system is reduced, the air conditioning performance is further reduced, and the energy consumption is increased. The household air conditioner can inevitably accumulate a large amount of dust on the filter screen in the daily use process, when a large amount of dust and dirt are accumulated on the filter screen, a large amount of harmful microorganisms such as mould and dust mites are bred, and the harmful substances circulate indoors along with the operation of the air conditioner, pollute the air, spread diseases and seriously harm the health of human bodies. It is necessary to clean the filter mesh at irregular intervals. In addition, the air resistance can be increased after dust is accumulated on the filter screen, the air inlet and outlet quantity of the air conditioner is reduced, the refrigeration and heating performance of the air conditioner is further reduced, and the energy consumption is increased. The improvement of the cleaning efficiency of the filter screen of the dust cover is very important for improving the performance of the indoor unit of the air conditioner, reducing the energy consumption of the air conditioner and eliminating the hidden health danger.

According to the air-conditioning indoor unit provided by the embodiment of the utility model, the dust cover is detachably arranged on the air-conditioning shell through the matching of the first locking part and the second locking part, so that the cleaning efficiency of the dust cover is improved, the cleaning degree of the dust cover has great influence on the performance of an air conditioner, the installation mode of the dust cover is convenient for cleaning the dust cover, the improvement of the refrigeration and heating performance of the air conditioner is facilitated, the energy consumption of the air conditioner in operation is reduced, and the health hidden danger is further eliminated.

Further, one of the first locking portion and the second locking portion includes a hook, and the other of the first locking portion and the second locking portion includes a slot engaged with the hook.

Furthermore, the clamping groove and the hook head of the clamping hook extend along the circumferential direction, and the groove width of the clamping groove is larger than or equal to the width of the hook head.

Further, in the circumferential direction, the groove width of at least a part of the card grooves is gradually reduced.

Furthermore, the tail end of the clamping groove in the circumferential direction is provided with a limiting boss matched with the hook head.

Furthermore, the dustproof screen plate is positioned in the vent hole and positioned on one side, facing the cavity, of the dustproof cover, and the second locking part is positioned on the dustproof screen plate.

Further, the dustproof mesh plate and the shell are integrally formed.

Further, the side face, away from the cavity, of the dustproof cover is provided with an assembling portion, and the assembling portion comprises a buckle and/or a cutter groove.

Further, the first locking portion and the second locking portion are each provided in plurality at intervals in the circumferential direction.

According to the air conditioner indoor unit provided by the embodiment of the utility model, the air conditioner dustproof cover can filter dust and prevent the inside of the air conditioner from being polluted. The dust accumulated on the dust cover is cleaned in time, so that the secondary pollution of indoor air can be avoided, the performance of the air conditioner is improved, and the energy consumption is reduced. The dust cover is detachably arranged on the air conditioner shell through the matching of the first locking part and the second locking part, so that the cleaning efficiency of the dust cover is improved, the cleaning degree of the dust cover has great influence on the performance of an air conditioner, the installation mode of the dust cover is convenient for cleaning the dust cover, the refrigeration and heating performance of the air conditioner is improved, the energy consumption of the air conditioner in operation is reduced, and the health hidden danger is further eliminated.

According to the air conditioner provided by the embodiment of the utility model, the side, facing the vent hole, of the dustproof cover is provided with the filter screen, so that the service life of the air conditioner can be further prolonged, the performance of the air conditioner is improved, and the air conditioner is convenient to maintain in daily life.

Additional aspects and advantages of the utility model 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 utility model.

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 an enlarged view taken at II in FIG. 1;

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

FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;

FIG. 5 is an enlarged view of FIG. 4 without the dust cover installed;

FIG. 6 is an enlarged view of FIG. 4 with a dust cover installed and unlocked;

FIG. 7 is an enlarged view of FIG. 4 with the dust cover installed and locked at V;

fig. 8 is a schematic view showing a structure of one angle of a dust cap of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 9 is a structural view illustrating another angle of a dust cover of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 10 is a plan view of a dust cover of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 11 is a side view of a dust cover of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 12 is a bottom view of a dust cover of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 13 is a cross-sectional view D-D of fig. 12.

Reference numerals: 1-a shell; 2-a vent hole; 3, a dust cover; 31-mesh; 32-a first locking portion; 321-hook;

33-a second locking portion; 331-card slot; 34-a limit boss; 4-an assembly part; 41-handle; 42-knife grooves.

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.

An air conditioning indoor unit and an air conditioner according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1, according to the air conditioning indoor unit of the embodiment of the present invention, a casing 1, an air detection device and a dust cover 3, a cavity is provided in the casing 1, and a vent hole 2 is provided on the surface of the casing 1; the air detection device is positioned in the cavity and is arranged near the vent hole 2 to detect the air entering the cavity through the vent hole 2; the dust cover 3 covers the vent hole 2, a mesh 31 is formed on the dust cover 3, a first locking portion 32 is arranged on the dust cover 3, and a second locking portion 33 matched with the first locking portion 32 is arranged in the vent hole 2. Casing 1 still includes panel, aviation baffle and face frame, and panel and face frame constitution cavity, face frame become casing 1's square frame for enclosing the city, and the panel cooperatees with the top of face frame and constitutes casing 1, and 1 inside cavities that leave the installation function spare of casing leave the air intake and the air outlet that are used for business turn over air on the face frame, mainly include in the cavity: the compressor, the condenser, the evaporimeter, the four-way valve, check valve capillary tube subassembly etc.. The compressor sucks working medium steam with lower pressure from the evaporator, the working medium steam with lower pressure is sent into the condenser after the pressure of the working medium steam is increased, the working medium steam is condensed into liquid with higher pressure in the condenser, the liquid with lower pressure is sent into the evaporator after the liquid is throttled by the throttle valve, the liquid is evaporated by absorbing heat in the evaporator to form steam with lower pressure, and therefore the refrigeration cycle is completed. The evaporator is arranged in the indoor unit, and the evaporator is formed by tubes which are sleeved with fins. And a device for concentrating the solution or precipitating crystal grains from the solution by heating. Mainly comprises a heating chamber and an evaporation chamber. The air conditioner sucks indoor air through the air inlet, completes refrigeration or heating through the work, and blows the air into the room through the air outlet, so that comfortable temperature is provided for a user.

As shown in fig. 2 and 3, the indoor unit of an air conditioner includes: the air detection device is positioned in the cavity and is communicated with the vent hole 2; air detection device mainly used detects indoor air quality, feeds back air detection result to air conditioner control center, sets up air vent 2 on the casing 1 and is convenient for the cavity and contacts with the outside air, and more accurate detection air quality especially detects indoor PM 2.5's value, and indoor PM 2.5's main source includes indoor combustion process (including smoking, stove, stacte etc.), culinary art process, personnel's activity, equipment operation etc.. In addition, outdoor air has a great influence on the concentration of indoor particulate matters, and the main ways for atmospheric particulate matters to enter the room are an air conditioner fresh air system, natural ventilation, personnel carrying and the like. Control of PM2.5 concentration in a residential home should primarily come from control of its indoor and outdoor sources. The main means of control PM2.5 outdoor source reduces PM2.5 concentration in the air conditioner new trend system, and in time detect indoor PM 2.5's value, detect indoor PM 2.5's value through installation air conditioning indoor set, in order to prevent that indoor dust granule from getting into the cavity through air vent 2, cause the damage to the air conditioning function spare in the cavity, install shield 3 on air vent 2, shield 3 is under the prerequisite of guaranteeing that air detection device can contact room air, can guarantee again that external air dust gets into the cavity through air vent 2.

As shown in fig. 4 and 5, the dust cap 3 is installed in the vent hole 2, a mesh 31 is formed on the dust cap 3, a first locking portion 32 is formed on the dust cap 3, and a second locking portion 33 which is matched with the first locking portion 32 is formed in the vent hole 2; the air vent 2 is separated from the outside by the dustproof cover 3, the mesh 31 on the dustproof cover 3 can filter out dust in the air, the dust enters the cavity and is in direct contact with the air detection device, the air detection device detects the air quality of the entering air constantly in the operation process of the air conditioner, the dust can be left on the dustproof cover 3 after a long time, and the dust collection efficiency can be influenced due to the dust accumulation, so the dustproof cover 3 is very necessary to be cleaned frequently, the dustproof cover 3 is arranged to be detachable and washable for the purposes of combining cost and convenience, the dustproof cover 3 is detachably connected with the shell 1 through the matching of the first locking part 32 and the second locking part 33, when the dustproof cover 3 needs to be cleaned, the first locking part 32 and the second locking part 33 can be used for unlocking the dustproof cover 3 from the shell 1, and after the dustproof cover 3 is cleaned, the dust cap 3 is again attached to the ventilation hole 2 of the air-conditioning case 1 by fitting the first locking portion 32 and the second locking portion 33.

According to the air conditioner indoor unit provided by the embodiment of the utility model, the dustproof cover 3 of the household air conditioner is used for filtering dust of outside air and then enabling the dust to enter the air conditioner for working, some air is blown out after being used for refrigeration or heating, some air enters the air conditioner for detecting the air quality, no matter which air is used, the dustproof cover 3 is necessary to be arranged as long as the outside air is introduced into the air conditioner, when the dustproof cover 3 of the air conditioner is selected, different dustproof materials can be selected according to different use occasions and use conditions, most common is a black nylon net made of PP (polypropylene), a filter screen of the dustproof cover 3 is of a concave-convex honeycomb structure, and filter materials are selected from various choices such as an aluminum net, a stainless steel net, a non-woven fabric, a fiber net and an activated carbon filter screen. If the household air conditioner filter screen is not cleaned for a long time, when the air speed of the air conditioner is low, the filtering efficiency of indoor air is possibly negative, meanwhile, the filtering resistance is increased, and the energy consumption of the air conditioner is possibly influenced, so that the filter screen of the household air conditioner dust cover 3 needs to be cleaned at intervals, and the filter screen is washed by clean water or lightly brushed by a soft brush during cleaning. The household air conditioner has high indoor popularization rate, and if the filtering effect of the household air conditioner on indoor air can be enhanced, the household air conditioner has great practicability, so that the household air conditioner is very important for replacing materials for a filter screen of the air conditioner.

According to the air conditioner indoor unit provided by the embodiment of the utility model, the dust cover 3 is detachably arranged at the vent hole 2, so that air can conveniently enter a cavity of an air conditioner through the vent hole 2, the air can be in contact with an air detection device in the cavity after entering, the air detection device detects the air quality, when a filter screen of the dust cover 3 needs to be cleaned, the dust cover 3 is taken down from the vent hole 2, the first locking part 32 is detachably connected with the second locking part 33, so that the filter screen on the dust cover 3 can be cleaned, the dust cover 3 is re-arranged at the vent hole 2 after being cleaned, and dust substances accumulated on the filter screen of the dust cover 3 are increased, so that secondary pollution of indoor air can be caused, the air volume entering an air conditioning system is reduced, the air conditioning performance is further reduced, and the energy consumption is increased. The household air conditioner can inevitably accumulate a large amount of dust on the filter screen in the daily use process, when a large amount of dust and dirt are accumulated on the filter screen, a large amount of harmful microorganisms such as mould and dust mites are bred, and the harmful substances circulate indoors along with the operation of the air conditioner, pollute the air, spread diseases and seriously harm the health of human bodies. It is necessary to clean the filter mesh at irregular intervals. In addition, the air resistance can be increased after dust is accumulated on the filter screen, the air inlet and outlet quantity of the air conditioner is reduced, the refrigeration and heating performance of the air conditioner is further reduced, and the energy consumption is increased. The improvement of the cleaning efficiency of the filter screen of the dust cover 3 is very important for improving the performance of the indoor unit of the air conditioner, reducing the energy consumption of the air conditioner and eliminating the hidden health danger.

According to the air-conditioning indoor unit provided by the embodiment of the utility model, the dust cover 3 is detachably arranged on the air-conditioning shell 1 through the matching of the first locking part 32 and the second locking part 33, so that the cleaning efficiency of the dust cover 3 is improved, the cleaning degree of the dust cover 3 has great influence on the performance of an air conditioner, the installation mode of the dust cover 3 is convenient for cleaning the dust cover 3, the improvement of the refrigeration and heating performance of the air conditioner is facilitated, the energy consumption of the air conditioner in operation is reduced, and the health hidden danger is further eliminated.

As shown in fig. 8, 9 and 10, further, one of the first locking portion 32 and the second locking portion 33 includes a hook 321, and the other of the first locking portion 32 and the second locking portion 33 includes a catch 331 engaged with the hook 321; in one specific embodiment, the hook 321 is disposed on the first locking portion 32, the slot 331 is disposed on the second locking portion 33, and the first locking portion 32 is connected to the second locking portion 33 through the cooperation of the hook 321 and the slot 331, specifically, the slot 331 is disposed on the peripheral air conditioner casing 1 of the vent hole 2 and is matched with the hook 321, when the dust cap 3 is installed, the hook 321 on the dust cap 3 corresponds to the slot 331, the dust cap 3 is pushed into the slot 331, the hook 321 also extends into the slot 331, and then the dust cap 3 is rotated clockwise, so that the hook 321 is attached to the slot 331, and the dust cap 3 is fixed on the air conditioner casing 1; after long-time use, when the filter screen on the dust cap 3 needs to be cleaned, the dust cap 3 is rotated counterclockwise by a certain angle in the vent hole 2, the hook 321 is separated from the clamping groove 331, and then the dust cap 3 is taken out, so that the dust cap 3 is detached, and after the dust cap 3 is cleaned, the dust cap 3 is installed on the vent hole 2 by the method. The rotation direction of the installation can be changed according to actual use, namely, the installation can be carried out by anticlockwise rotating when the dust cover 3 is installed, and the installation can be carried out by clockwise rotating when the dust cover 3 is detached, so that the installation is not particularly limited.

Furthermore, the air detection device is set as a PM2.5 module, and the PM2.5 module has the functions of purification and detection, so that the requirement of people in a house on air exchange can be met, the concentrations of indoor PM2.5 and other dust pollutants can be reduced, and good indoor air quality is ensured. The dust cover 3 is provided with the high-medium efficiency filter, so that the dust cover has higher filtering efficiency on dust particles with the particle size not less than 1 mu m; firstly, a coarse filter is arranged to filter dust particles with the particle size not less than 5 mu m. And pressure difference monitoring systems can be arranged on two sides of the PM2.5 purifying equipment, when the pressure difference exceeds a set value, automatic alarm is given, and the dust cover 3 is taken down and cleaned. Can also set up the fly net on shield 3, filter the mosquito in the air, prevent that the mosquito from getting into the air conditioner inner chamber and taking out a time individual damage to the inside function piece of air conditioner.

Further, in a specific embodiment, for a common air conditioning system, one coarse air filter screen or one coarse air filter screen and one middle air filter screen can be arranged on the dust cover 3 to meet requirements, and for a clean room air conditioning system, three filter screens can be arranged on the dust cover 3, and one high-efficiency air filter screen is added besides the coarse air filter screen and the middle air filter screen. The filter screen of the dust cover 3 can be made of hydrophobic chemical fiber materials, and under the general condition, water does not damage static electricity on the electret materials. The filter screen can be cleaned by water flushing or hand rubbing, or by ultrasonic cleaning, which is to clean the filter screen by using the ultrasonic principle. The ultrasonic cleaning is not carried out, and the filtering material is generally not damaged. The selection of the filtering material needs to be firm, and the fiber can be selected from thicker fiber), which is an ideal material for manufacturing a coarse filter. The material of the filter screen can be selected from the angle of reducing the resistance of the filter screen, and besides the filter material with low resistance, high efficiency and large dust holding capacity, the structural parameters of the filter screen are reasonably designed, so that the filter area is effectively increased, and the filter resistance is reduced. The filter screen area can be effectively increased by increasing the pleat depth of the filter screen, and the resistance of the air flow penetrating through the filter screen is reduced, so that the resistance of the filter screen is reduced, and the energy consumption of the air conditioner is reduced.

As shown in fig. 5, 6 and 7, further, the hook heads of the card slot 331 and the hook 321 extend along the circumferential direction, and the slot width of the card slot 331 is greater than or equal to the width of the hook head; in a specific embodiment, the ventilation holes 2 may be circular or square, the dust-proof cover 3 may be arranged according to the shape of the ventilation holes 2, as further explained below with respect to the shape of the ventilation holes 2 being circular, the clamping grooves 331 may be arranged along the periphery of the ventilation holes 2, correspondingly, a corresponding number of the clamping hooks 321 are arranged circumferentially on the dust-proof cover 3, and the dust-proof cover 3 is mounted on the ventilation holes 2 through the cooperation of the plurality of the clamping hooks 321 and the plurality of the clamping grooves 331.

As shown in fig. 5 to 12, further, in the circumferential direction, the groove width of at least a part of the catching groove 331 is gradually reduced; when installing shield 3, the pothook 321 on shield 3 corresponds to the slot 331 first, push shield 3 into the slot 331, because the slot width of the slot 331 is gradually reduced, when the pothook 321 of shield 3 gets into the slot 331, the pothook 321 gets into through the wider slot 331, the pothook 321 goes deep into the slot 331, then clockwise rotates shield 3, because the slot width is gradually reduced, in the process of shield 3 rotation, the pothook 321 and the slot 331 are gradually clamped, make the pothook 321 and the slot 331 laminate, and then fix shield 3 on air conditioner casing 1.

Furthermore, the vent hole 2 can be used as an air inlet hole of the air detection device and a reserved access hole of the air conditioner, when the dust cover 3 is taken down and cleaned, whether the functional part of the inner cavity is obviously damaged or not can be observed through the vent hole 2, and the requirements of maintenance and repair are met; the shield 3 not only can be used for detecting the air, but also can be respectively installed in a fresh air section, an air return section and an air supply section, and other air sections are detected.

As shown in fig. 5, 6 and 7, further, the end of the locking groove 331 in the circumferential direction is formed with a limit boss 34 engaged with the hook head; in a specific embodiment, one or more of the hooks 321 is set to be L-shaped, when the dust-proof cover 3 is installed, the hook 321 on the dust-proof cover 3 corresponds to the slot 331, the dust-proof cover 3 is pushed into the slot 331, the hook 321 also extends into the slot 331, then the dust-proof cover 3 is rotated clockwise, so that the hook 321 is attached to the slot 331, the hook head of the hook 321 is clamped with the limiting bump, and the dust-proof cover 3 is fixed on the air conditioner casing 1; after long-time use, when the filter screen on the shield 3 needs to be cleaned, the shield 3 is rotated by a certain angle in the vent hole 2 in the anticlockwise direction, the hook head of the hook 321 is separated from the limit boss 34, the hook 321 is separated from the clamping groove 331, and then the shield 3 is taken out, so that the shield 3 is detached, and after the shield 3 is cleaned, the shield 3 is installed on the vent hole 2 by the method. The rotation direction of the installation can be changed according to actual use, namely, the installation can be carried out by anticlockwise rotation when the dustproof cover 3 is installed, and the installation can be carried out by clockwise rotation when the dustproof cover 3 is detached, so that no particular limitation is imposed on the installation.

As shown in fig. 6, 7 and 13, the locking slot 331 includes two types, one is a locking slot 331 with a limiting boss 34, the other is a locking slot 331 without a boss, the locking slot 331 with a boss is matched with the rigid hook 321, and the locking slot 331 without a boss is matched with the elastic hook 321.

As shown in fig. 9, 10 and 11, further, a dustproof mesh plate is further included, the dustproof mesh plate is located in the vent hole 2 and located on one side of the dustproof cover 3 facing the cavity, and the second locking portion 33 is located on the dustproof mesh plate; the dustproof screen plate is used for being connected with the dustproof cover 3, and the dustproof screen plate and the shell 1 are integrally formed, so that the dustproof screen plate is convenient to produce and process.

Further, the side of the dust cap 3 facing away from the cavity is formed with an assembly portion 4, and the assembly portion 4 includes a buckle 41 and/or a knife slot 42; when the dust cap 3 is installed, the clamping hook 321 on the dust cap 3 corresponds to the clamping groove 331 by holding the handle 41, the dust cap 3 is pushed into the clamping groove 331 by pressing the handle 41, the clamping hook 321 also extends into the clamping groove 331, then the clamping hook extends into the clamping groove 42 by the screwdriver matched with the clamping groove 42, the dust cap 3 is driven to rotate by the screwdriver, so that the clamping hook 321 is attached to the clamping groove 331, the hook head of the clamping hook 321 is clamped with the limiting bump, and the dust cap 3 is fixed on the air conditioner shell 1; after long-time use, when the filter screen on the shield 3 needs to be cleaned, the shield 3 is driven by the screwdriver to rotate counterclockwise by a certain angle in the vent hole 2, the hook head of the hook 321 is separated from the limit boss 34, the hook 321 is separated from the clamping groove 331, and then the shield 3 is pulled out.

Further, the first locking portion 32 and the second locking portion 33 are each provided in plurality at intervals in the circumferential direction; through the arrangement of the first locking parts 32 and the second locking parts 33, the dust-proof cover 3 is more tightly mounted on the vent hole 2.

According to the air conditioner indoor unit provided by the embodiment of the utility model, the influence of the particle size on the filtering efficiency is obvious, and the change of the particle size determines the size acted by each filter screen. For the same filter material, the porosity, the fiber diameter and the internal structure are unchanged, the inertia effect and the gravity effect of large-scale particles are much larger than those of small-scale particles, so that the larger the particles are, the higher the trapping efficiency is, the higher the diffusion effect of the small-scale particles is along with the reduction of the particles, the larger the porosity of the filter material is at different wind speeds, and the lower the filtering efficiency in each particle size range is, and because the porosity reflects the filling density of the filter material, the lower the filling density is, the lower the effect of the mechanism of trapping the particles by each fiber is, so that the filtering efficiency is reduced, and different filter net materials can be selected according to different use environments.

According to the air conditioner indoor unit provided by the embodiment of the utility model, the air conditioner dustproof cover 3 can filter dust and prevent the inside of the air conditioner from being polluted. The dust accumulated on the dust cover 3 is cleaned in time, so that the secondary pollution of indoor air can be avoided, the performance of the air conditioner is improved, and the energy consumption is reduced. The dust cover 3 is detachably arranged on the air conditioner shell 1 through the matching of the first locking part 32 and the second locking part 33, the cleaning efficiency of the dust cover 3 is improved, the cleaning degree of the dust cover 3 has great influence on the performance of an air conditioner, the installation mode of the dust cover 3 is convenient for cleaning the dust cover 3, the refrigeration and heating performance of the air conditioner is improved, the energy consumption of the air conditioner in operation is reduced, and the health hidden danger is further eliminated.

According to the air conditioner indoor unit provided by the embodiment of the utility model, the filter screen is arranged on one side of the dustproof cover 3 facing the vent hole 2, so that the service life of the air conditioner can be further prolonged, the performance of the air conditioner is improved, and the air conditioner is convenient to overhaul in daily life.

The air conditioning indoor unit according to the embodiment of the present invention and other configurations and operations are known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "some embodiments," "optionally," "further," or "some examples," 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 utility model. 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 utility model 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 utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

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

the air conditioner comprises a shell, a fan and a controller, wherein a cavity is formed in the shell, and a vent hole is formed in the surface of the shell;

the air detection device is positioned in the cavity, is arranged near the vent hole, and detects air entering the cavity through the vent hole;

the dustproof cover covers the vent hole, meshes are formed in the dustproof cover, a first locking portion is arranged on the dustproof cover, and a second locking portion matched with the first locking portion is arranged in the vent hole.

2. An indoor unit of an air conditioner according to claim 1, wherein one of the first locking portion and the second locking portion includes a hook, and the other of the first locking portion and the second locking portion includes a catch that engages with the hook.

3. An indoor unit of an air conditioner according to claim 2, wherein the engagement groove and the hook head of the hook each extend in the circumferential direction, and the groove width of the engagement groove is greater than or equal to the width of the hook head.

4. An indoor unit of an air conditioner according to claim 2, wherein at least a part of the notch grooves have a gradually decreasing groove width in a circumferential direction.

5. An indoor unit of an air conditioner according to claim 3, wherein a limit boss that engages with the hook is formed at a circumferential end of the engaging groove.

6. The indoor unit of claim 1, further comprising a dust screen positioned in the air vent and on a side of the dust cover facing the cavity, wherein the second locking portion is positioned on the dust screen.

7. An indoor unit of an air conditioner according to claim 6, wherein the dust-proof mesh plate and the casing are integrally formed.

8. An air conditioning indoor unit according to claim 1, wherein a fitting portion including a catch and/or a sipe is formed on a side of the dust cover facing away from the cavity.

9. An indoor unit of an air conditioner according to claim 1, wherein each of the first and second locking portions is provided in plurality at intervals in a circumferential direction.

10. An indoor unit of an air conditioner according to claim 1, wherein a filter net is provided on a side of the dust cover facing the air vent.

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