CN216693777U

CN216693777U - Indoor air conditioner

Info

Publication number: CN216693777U
Application number: CN202123402908.XU
Authority: CN
Inventors: 李冠群
Original assignee: Hisense Shandong Air Conditioning Co Ltd
Current assignee: Hisense Air Conditioning Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-07
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses an indoor air conditioner, which comprises a filter screen assembly, an indoor heat exchanger and a cleaning device, wherein the filter screen assembly is of an annular structure, a filter screen rotates circularly between the annular structures, the filter screen assembly also comprises a driving shaft for driving the filter screen to move, a synchronous belt group is arranged in the moving direction of the filter screen, a first synchronous wheel group is arranged on the driving shaft, and the problems of instability, overlarge noise and the like of the filter screen during movement are solved through the transmission of a synchronous belt and a synchronous wheel.

Description

Indoor air conditioner

Technical Field

The utility model relates to the technical field of cleaning of filter screens of air conditioners, in particular to an indoor air conditioner.

Background

The air conditioner mostly adopts a heat exchanger to regulate the indoor temperature, a filter screen for blocking dust is arranged on the air inlet side of the heat exchanger on the outer cover under the general condition, and more dust can be accumulated on the filter screen of the air conditioner along with the prolonging of the service life of the air conditioner, so that the ventilation is not smooth, the circulating air quantity of the air conditioner is reduced, the refrigerating and heating effects of the air conditioner are influenced, and the energy consumption is increased;

meanwhile, bacteria are easily bred in dust on the filter screen, and part of dust can enter the room again along with the air flow, so that the quality of indoor air is influenced.

In order to avoid the blocking of the filter screen by the dust, the dust on the filter screen needs to be cleaned after the air conditioner works for a period of time, and the filter screen of the air conditioner needs to be dedusted, however, the hanging machine needs to be manually operated to disassemble and clean the filter screen, which is troublesome.

The cleaning device is usually large, occupies most space of a casing of the air conditioner, influences appearance on one hand, and on the other hand, the casing needs to increase partial volume, especially in the thickness direction of the machine, so as to contain the thickness of the traditional self-cleaning machine, and the appearance proportion is not attractive.

In addition, current rack and pinion transmission coats a large amount of lubricating grease and lubricates, but this kind of transmission form has the big problem of motion noise, and the lubricating grease wearing and tearing volatilize after the time for a long time, just has the more serious noise problem of operation vibrations, greatly reduced user's use experience. And the condition of meshing dislocation with the gear exists in the operation process, which causes the cleaning mechanism to be invalid, and how to ensure the stable operation of the filter screen in the motion process is also a big pain point in the industry today.

SUMMERY OF THE UTILITY MODEL

In some embodiments of this application, for solving above-mentioned technical problem, an indoor air conditioner is provided, including the filter screen subassembly in the air conditioner, indoor heat exchanger and cleaning device, the filter screen subassembly is the loop configuration, the filter screen rotates in circulation between the loop configuration, the filter screen subassembly is still including the drive shaft of drive filter screen motion, set up the hold-in range group in the direction of motion of filter screen, set up first step wheelset in the drive shaft, through the transmission of hold-in range and synchronizing wheel, the filter screen has been solved when the motion, steady and the too big scheduling problem of noise inadequately.

In some embodiments of the application, the overall structure to the filter screen is improved, the filter screen subassembly includes that the filter screen encloses the frame and sets up the annular filter screen that encloses in the frame at the filter screen, annular filter screen is cyclic motion, the filter screen both ends are provided with drive shaft and driven shaft respectively, it rotates to drive the filter screen through the drive shaft, the driven shaft changes the direction of rotation at the other end, realize the annular cyclic motion of filter screen, the one end that encloses the frame at the filter screen and the position relative with the motion route of filter screen are provided with cleaning device, a bottom for in the motion process of filter screen still is provided with the dust collection box, be used for directly discharging absorbent dust, adopt the form of fixed cleaning device and movable filter screen, the space that cleaning device occupy has been reduced when reaching the clearance effect.

In some embodiments of this application, the transmission mode to the filter screen has improved, set up the hold-in range group on the direction of motion of filter screen, set up the hold-in range group in the drive shaft, utilize the cooperation transmission of hold-in range and synchronizing wheel, drive the motion of filter screen, because the filter screen is longer in the ascending motion of horizontal direction, current gear drive needs lubricating oil or easy meshing dislocation scheduling problem, synchronous pulley's transmission mode has improved filter screen transmission's stability, reduce the noise in utilization.

In some embodiments of the application, improve cleaning device, cleaning device is including the brush that is used for sweeping dust on the filter screen, the rotatory driving motor of drive brush and be used for installing the mounting bracket of fixed brush, when clean during the filter screen, the brush keeps in contact with a side of filter screen all the time, and the position relative with the brush on the mounting bracket still is provided with the dust removal comb, and dust removal comb tooth top is towards the brush for through constantly interfering the motion with the dust removal comb in brush rotation, will adhere to the dust on the brush and scrape off, the bottom of brush still is provided with the dust collection box, and the brush rotates and has improved and clean efficiency, and the dust removal comb is used for cleaning adnexed dust on the brush, avoids the secondary raise dust, and the dust collection box is used for collecting the dust that cleans.

Wherein, the brush among the cleaning device sets up respectively in the filter screen both sides with the drive shaft that drives the filter screen motion, and the two misplaces in vertical direction and sets up, ensures more steady reliable of filter screen motion.

The indoor air conditioner comprises a machine shell, a filter screen assembly, a heat exchange assembly and a fan assembly, wherein the top of the machine shell is provided with an air inlet; the screen assembly includes: the filter screen and the driving device are used for driving the filter screen to move; the synchronous belt group is arranged along the movement direction of the filter screen and is fixedly connected with the filter screen; the driving device comprises a driving shaft for driving the filter screen to move; the first synchronous wheel set is arranged on the driving shaft, and the synchronous belt set is matched and connected with the synchronous wheel set.

In some embodiments of the present application, the screen assembly comprises: the filter screen surrounding frame is arranged at the air inlet and is arranged to be a cavity structure; the filter screen is of an annular structure and is arranged along the trend of the filter screen surrounding frame; the driving device is used for driving the filter screen, so that the filter screen circularly moves in the filter screen surrounding frame by taking an annular structure as a path.

In some embodiments of the present application, the driving device further comprises: the driving shaft and the driven shaft are respectively arranged at two ends of the filter screen surrounding frame; the first synchronous wheel set is arranged at the shaft end of the driving shaft; a second synchronous wheel set is arranged at the shaft end of the driven shaft, and the inner side of the filter screen is provided with the synchronous belt set; the synchronous belt group is sleeved on the first synchronous wheel group and the second synchronous wheel group; the driving shaft rotates to drive the first synchronous wheel set to rotate and drive the synchronous belt set to transmit, and then the filter screen is driven to do circulating motion in the annular path.

In some embodiments of the present application, the filter screen and the timing belt assembly are an integrated structure.

In some embodiments of the present application, the first synchronous pulley set includes two synchronous pulleys respectively disposed at both ends of the driving shaft; the second synchronous wheel group comprises two synchronous wheels which are respectively arranged at two ends of the driven shaft; the synchronous belt group comprises two synchronous belts which are respectively arranged on two side edges of the filter screen.

Some embodiments of the present application further comprise: the cleaning device is fixedly arranged at one end of the filter screen assembly and used for cleaning dust on the filter screen, and the cleaning device is arranged at a position opposite to the movement path of the filter screen; the cleaning device comprises a brush, and the brush is used for continuously generating interference motion with the filter screen in the motion process of the filter screen so as to clean the surface of one side of the filter screen; the driving shaft and the hairbrush are respectively arranged at the upper side and the lower side of the filter screen, and the driving shaft and the hairbrush are arranged in a staggered manner in the vertical direction; the dust collecting box is correspondingly arranged at the bottom of the cleaning device and is used for collecting the dust swept off by the cleaning device in a centralized manner.

In some embodiments of the present application, the sweeping device further comprises: the driving motor drives the brush to rotate; the mounting rack is used for mounting and fixing the hairbrush; when the filter screen is cleaned, the brush is always in contact with one side face of the filter screen.

In some embodiments of the present application, the dust collecting box is detachably disposed inside the casing of the air conditioner, and after the panel of the casing is opened, the dust collecting box can be directly extracted for cleaning.

In some embodiments of the present application, the timing belt assembly uses polyurethane or rubber.

The beneficial effect of this application lies in:

the filter screen assembly with the annular structure is provided, the filter screen performs circular motion, the cleaning device is arranged at one end of the filter screen assembly and is fixed through the cleaning device, and the filter screen performs circular motion, so that the cleaning effect is achieved, meanwhile, the space occupied by the cleaning device is reduced, and the service life is prolonged; the synchronous belt group is arranged on the driving device of the filter screen, the synchronous wheels are arranged on the filter screen, the synchronous belts and the synchronous wheels are matched for transmission, the stability of the transmission process is improved, and compared with other transmission modes, the noise is lower.

Drawings

FIG. 1 is one of the structural diagrams of an indoor air conditioner in an embodiment of the present invention;

fig. 2 is one of the internal structure views of the indoor air conditioner in the embodiment of the present invention;

FIG. 3 is a block diagram of a screen assembly of an indoor air conditioner in an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a screen assembly in an embodiment of the present invention;

FIG. 5 is a partial view of a screen assembly in an embodiment of the present invention;

fig. 6 is a structural view of a cleaning device in an embodiment of the present invention.

Reference numerals:

the method comprises the following steps: 100. an indoor air conditioner; 101. an air inlet; 110. a screen assembly; 120. a heat exchange assembly; 111. a filter screen surrounding frame; 112. a filter screen; 200. a drive device; 211. a drive shaft; 212. a driven shaft; 220. a synchronous belt group; 221. a first synchronous wheel set; 222. a second synchronous wheel set; 300. a cleaning device; 400. a dust collecting box; 310. a brush; 320. and (7) mounting frames.

Detailed Description

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

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1-2, in a conventional indoor air conditioner 100, a heat exchange assembly 120 and a fan assembly are included.

The heat exchange assembly 120 is an indoor heat exchanger, and can be used as a condenser and an evaporator.

The fan assembly serves as a driving unit for air flow for driving air circulation of indoor air, and the indoor air conditioner 100 serves to exchange heat and air with respect to an indoor space.

In practical applications, the air conditioner system as a whole includes an indoor air conditioner 100 and an outdoor air conditioner, the outdoor air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor air conditioner 100 is connected to the indoor air conditioner 100 installed in an outdoor space through a pipe, the air-indoor air conditioner 100 includes an outdoor heat exchanger, and an expansion valve may be provided in the outdoor air conditioner.

The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator, and the air conditioner serves as a heater in a heating mode when the indoor heat exchanger serves as the condenser, and serves as a cooler in a cooling mode when the indoor heat exchanger serves as the evaporator.

The air conditioner system performs a cooling/heating cycle of an indoor space by using a compressor, a condenser, an expansion valve, and an evaporator, and the cooling/heating cycle includes a series of processes, for example, a cooling process, which involves compressing, condensing, expanding, and evaporating, and supplies refrigerant to air that has been conditioned and heat-exchanged.

The compressor compresses a refrigerant gas in a high temperature and high pressure state and discharges the compressed refrigerant gas, the discharged refrigerant gas flows into a condenser, the condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through a condensation process.

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant, the evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor, the evaporator can achieve a refrigerating effect by heat exchange with a material to be cooled using latent heat of evaporation of the refrigerant, and the air conditioner can adjust the temperature of an indoor space throughout the cycle.

For convenience of description, a more general cooling process of an air conditioner is exemplified in the present application, and an indoor heat exchanger is used as an evaporator in a cooling state of an air conditioner system.

As shown in fig. 3 and 4, an indoor air conditioner 100 according to the present invention includes a cabinet having an air inlet 101 at a top thereof, and a screen assembly 110 disposed in the cabinet and below the air inlet 101.

The screen assembly 110 includes a screen 112.

The filter screen 112 is disposed corresponding to the air inlet 101 and covers the entire area of the air inlet 101.

The filter screen 112 is used for filtering indoor air entering the interior of the housing from the air inlet 101, so as to prevent dust mixed in the air from entering the interior of the housing and breeding bacteria, and in addition, the dust in the air is easily attached to the surface of the heat exchange assembly 120 to affect the heat exchange efficiency of the air conditioner.

Air enters the housing from the air inlet 101, passes through the filter screen 112 to filter entrained dust and the like, exchanges heat with the heat exchanger, and is blown out from the air outlet by the fan.

During the long-term use of the filter screen 112, dust is gradually accumulated on the filter screen 112 to block the mesh, which affects the ventilation efficiency of the air inlet 101, and in order to clean the dust on the filter screen 112, a driving device 200 for driving the filter screen 112 to move and a cleaning device 300 for cleaning the dust collected by the filter screen 112 are further provided in the housing.

The drive device 200 is part of the screen assembly 110.

As shown in fig. 2 to 4, in an embodiment of the present application, the screen assembly 110 further includes a screen surrounding frame 111, the screen surrounding frame 111 is disposed at the air inlet 101, the screen surrounding frame 111 is disposed as a cavity structure, and the driving device 200 is configured to drive the screen 112 to perform a circular motion with a circular structure as a path.

The filter screen enclosure frame 111 is used for providing a space for accommodating the filter screen 112 at the position of the air inlet 101, so that the filter screen 112 and a transition piece and a transmission piece driven by the driving device 200 can protect the filter screen 112 on one hand and improve the motion stability of the filter screen 112 under the driving of the driving device 200 on the other hand.

In some embodiments of the present application, the filter screen 112 is formed by a grid plane formed by intersecting ribs, and after the middle of the grid plane is bent, two ends of the grid plane are fixedly connected to form a closed annular structure; the filter screen 112 is a fine-wire woven structure and is distributed in a grid plane formed by the filter screen 112 to filter dust entering the air inlet 101.

As shown in fig. 3-4, in one embodiment of the present application, the driving device 200 includes a driving shaft 211 and a driven shaft 212.

The driving shaft 211 and the driven shaft 212 are respectively provided at both ends of the screen enclosure frame 111.

The shaft ends of the driving shaft 211 and the driven shaft 212 are fixedly connected with synchronous wheel sets respectively, wherein the first synchronous wheel set 221 is arranged at the shaft end of the driving shaft 211, and the second synchronous wheel set 222 is arranged at the shaft end of the driven shaft 212.

The synchronous belt set 220 is sleeved on the first synchronous pulley set 221 and the second synchronous pulley set 222;

the driving shaft 211 rotates to drive the first synchronous pulley set 221 to rotate and drive the synchronous belt set 220 to transmit, thereby driving the filter screen 112 to make a circular motion in the circular path.

It should be noted that the driving shaft 211 is connected to a motor for rotating the driving shaft 211, and the filter screen 112 is disposed between the driving shaft 211 and the driven shaft 212 as a power source for rotating the driving shaft 211, and moves under the driving of the driving shaft 211.

In this embodiment, the filter screen 112 is a circular structure and is horizontally disposed, and is disposed along the direction of the filter screen enclosure frame, and is sleeved on the first synchronous wheel set 221 and the second synchronous wheel set 222 at the two ends of the driving shaft 211 and the driven shaft 212 through the synchronous belt set 220, the driving shaft 211 is located at the right end of the filter screen 112, and the driven shaft 212 is located at the left end of the filter screen 112.

Through setting up drive shaft 211, driven shaft 212, annular hold-in range and connecting the filter screen 112 on the hold-in range for drive arrangement 200 simple structure, occupation space is less, and the operation is firm reliable, and the fault rate is lower.

It should be further noted that the filter screen 112 is required to cover the whole air inlet 101, so that the opposite surface of the air inlet 101 is of a planar structure, and the cross section of the side surface of the filter screen assembly 110 is of an annular structure, so as to achieve circular rotation, so that the engagement between the first synchronous wheel set 221 and the synchronous belt set 220 on the driving shaft 211 provides power for the synchronous belt set 220, and the driven shaft 212 at the other end plays a role in changing the moving direction, so that the filter screen 112 bends at the driven shaft 212 and moves oppositely, so as to achieve circular motion, and by arranging the driven shaft 212, and arranging the second synchronous wheel set 222 on the driven shaft 212 to engage with the synchronous belt set 220, the stability of the circular motion is ensured.

It should be further noted that, in the above embodiments, the number of the synchronous belts in the synchronous belt group 220 and the number of the synchronous wheels in the synchronous wheel group are not limited, in the moving direction of the filter screen 112, the number of the synchronous belts may be multiple, the number of the synchronous wheels engaged therewith may also be increased, and the increase of the number of the racks may enhance the stability of the circular motion, and any number of the racks and the gears belong to the protection scope of the present application.

In one embodiment of the present application, the first synchronizing wheel set 221 includes two synchronizing wheels respectively disposed at two ends of the driving wheel, and the second synchronizing wheel set 222 includes two synchronizing wheels respectively disposed at two ends of the driven shaft 212; the synchronous belt group 220 comprises two synchronous belts which are respectively arranged on two side edges of the filter screen 112; through the cooperation that sets up a plurality of synchronous pulley, improve the stability of conveying.

In some embodiments of the present application, the material of the timing belt group 220 uses polyurethane or rubber, which has a vibration damping effect.

As shown in fig. 5 and 6, in one embodiment of the present application, the sweeping means 300 includes a brush 310 for sweeping dust on the filter screen 112, a driving motor for driving the brush 310 to rotate, and a mounting bracket 320 for mounting the brush 310.

Wherein, when cleaning the filter screen 112, the brush 310 always keeps in contact with one side of the filter screen 112.

The brush 310 comprises a cylindrical brush rod and bristles arranged on the outer cylindrical surface of the brush rod; so that the bristles of the brush 310 are always in contact with the filter mesh 112 when the filter mesh 112 is cleaned.

The cylindrical brush 310 is provided so that different bristles circularly clean the filter screen 112.

In the above embodiment, the brush 310 is provided with the bristles that are flexible and can partially enter the filter 112 (enter the gap between the filters 112), so that the effective area between the brush 310 and the filter 112 can be enlarged, and the filter 112 can be effectively cleaned.

It should be noted that, when the filter screen 112 is cleaned, the brush 310 rotates to clean the dust on the contact portion of the filter screen 112, and different portions of the filter screen 112 are respectively contacted with the brush 310 by the movement of the filter screen 112, so that the dust on the filter screen 112 is separated from the filter screen 112, and finally the filter screen 112 is cleaned; therefore, the brush 310 only needs to rotate when cleaning, and is not used for moving along the filter screen 112 in the machine shell, but the filter screen 112 is moved, so that different parts of the filter screen 112 are in contact with the brush 310.

Compared with the scheme of moving the brush 310 for cleaning, the driving device 200 of the present application is simpler and occupies a smaller space in the housing.

The driving means 200 drives the filter screen 112 to move horizontally, and the brush 310 is horizontally disposed in the front-rear direction. In this way, the height of the housing in the vertical direction is slightly increased by providing the driving device 200 and the cleaning device 300, but the thickness of the housing in the front-rear direction is not increased, so that the whole air conditioner is not heavy.

The driving shaft 211 driving the filter screen 112 to move and the brush 310 in the cleaning device 300 are respectively disposed at the upper and lower sides of the filter screen 112, and are disposed in a staggered manner in the vertical direction, so as to ensure that the filter screen 112 moves more stably and reliably.

Based on the two embodiments, the position of the brush 310 is fixed, the bristles reaching the contact position with the filter screen 112 contact the filter screen 112 in the rotation process of the brush 310, the bristles continuously reach the contact position with the filter screen 112 all the time due to the fact that the bristles are arranged on the outer cylindrical surface of the brush rod, the bristles are always in contact with the filter screen 112 in a circulating mode, and the bristles leave the filter screen 112 to comb off dust after the dust is attached to the bristles, so that the cleaning efficiency is high, and the cleaning is clean.

In some embodiments of the present application, the dust box 400 is detachably disposed inside the cabinet of the air conditioner, and after the panel of the cabinet is opened, the dust box 400 can be directly extracted for cleaning.

In some embodiments of the present application, a method for automatically cleaning the filter screen 112 by an air conditioner includes:

the driving device 200 is started, and the cleaning device 300 is started at the same time;

after the driving device 200 is started, the driving shaft 211 drives the filter screen 112 to move in the inner space of the filter screen enclosure frame 111 through the matching transmission of the synchronous belt pulley, the brush 310 contacts and rotates with one side surface of the filter screen 112 on the moving path of the filter screen 112 to clean the filter screen 112, in the cleaning process, the dust cleaned by the brush 310 on the filter screen 112 falls into the dust collection box 400 under the action of gravity, the filter screen 112 circularly moves by taking an annular structure as the path to be cleaned for a plurality of times, and after the cleanness of the filter screen 112 is determined, the cleaning of the filter screen 112 is finished;

the driving device 200 is turned off while the cleaning device 300 is turned off.

The cleaning device 300 can also be a whole module, and can be installed in the machine shell after being assembled into an assembly independently, so that the line body operation and the disassembly and maintenance are convenient.

The utility model discloses an indoor air conditioner 100, which comprises a machine shell with an air inlet 101 at the top and a filter screen assembly 110 arranged in the machine shell and positioned below the air inlet 101, wherein the filter screen assembly 110 comprises a filter screen surrounding frame 111 and a filter screen 112 arranged in the inner space of the filter screen surrounding frame 111, two ends of the filter screen surrounding frame 111 are respectively provided with a driving shaft 211 and a driven shaft 212, two ends of the two shafts are connected with synchronous wheels, the synchronous wheels are respectively matched with synchronous belts fixedly connected with two sides of the filter screen 112, the driving shaft 211 rotates to drive the synchronous wheels to rotate and drive the synchronous belts to transmit, and further drive the filter screen 112 to do circulating and circulating motion by taking an annular structure as a path, a cleaning device 300 is arranged at one end of the filter screen surrounding frame 111 and at a position opposite to the motion path of the filter screen 112, the cleaning device 300 comprises a brush 310 for cleaning dust on the filter screen 112, a driving motor for driving the brush 310 to rotate and an installation rack 320 for installing and fixing the brush 310, when the filter screen 112 is cleaned, the brush 310 is always in contact with one side surface of the filter screen 112, the bottom of the brush 310 is also provided with the dust collection box 400 for collecting the dust cleaned by the brush 310 in a centralized manner, when the filter screen 112 is cleaned, the bristles on the brush 310 clean the filter screen 112, the falling dust moves towards the dust collection box 400 below the brush 310, the actual good dust collection effect is achieved, the dust collection box 400 is detachably arranged inside the shell of the air conditioner, and after the panel of the shell is opened, the dust collection box 400 can be directly extracted for being detached for periodic cleaning.

The utility model provides a first design, the overall structure to the filter screen is improved, the filter screen subassembly includes that the filter screen encloses the frame and sets up the annular filter screen that encloses in the frame at the filter screen, annular filter screen is cyclic motion, the filter screen both ends are provided with drive shaft and driven shaft respectively, it rotates to drive the filter screen through the drive shaft, the driven shaft changes the direction of rotation at the other end, realize the annular cyclic motion of filter screen, the one end that encloses the frame at the filter screen and the position relative with the motion route of filter screen is provided with cleaning device, a bottom for in the motion process of filter screen still is provided with the dust collection box, a direct discharge is carried out to absorbent dust, adopt the form of fixed cleaning device and movable filter screen, the space that cleaning device occupy has been reduced when reaching the clearance effect.

The second of this application thinks about, the transmission mode to the filter screen has improved, set up the hold-in range group on the direction of motion of filter screen, set up the hold-in range group in the drive shaft, utilize the cooperation transmission of hold-in range and hold-in range, drive the motion of filter screen, because the filter screen is longer in the ascending motion of horizontal direction, current gear drive needs lubricating oil or easy meshing dislocation scheduling problem, synchronous pulley's transmission mode has improved filter screen transmission's stability, reduce the noise in utilization.

The third design of this application improves cleaning device, and cleaning device is including the brush that is used for sweeping dust on the filter screen, the rotatory driving motor of drive brush and be used for installing the mounting bracket of fixed brush, and when clean during the filter screen, the brush keeps in contact with a side of filter screen all the time, and the position relative with the brush on the mounting bracket still is provided with the dust removal comb, and dust removal comb tooth top is towards the brush for through constantly interfering the motion with the dust removal comb in brush rotation, will adhere to the dust on the brush and scrape off, the bottom of brush still is provided with the dust collection box, and the brush rotates and has improved and clean efficiency, and the dust removal comb is used for cleaning adnexed dust on the brush, avoids the secondary raise dust, and the dust collection box is used for collecting the dust that cleans.

Those of ordinary skill in the art will understand that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An indoor air conditioner comprises a machine shell, a filter screen assembly, a heat exchange assembly and a fan assembly, wherein the top of the machine shell is provided with an air inlet;

it is characterized in that the preparation method is characterized in that,

the screen assembly includes:

the filter screen and the driving device are used for driving the filter screen to move;

the synchronous belt group is arranged along the movement direction of the filter screen and is fixedly connected with the filter screen;

the driving device comprises a driving shaft for driving the filter screen to move;

the synchronous pulley set is arranged on the driving shaft, and the synchronous belt set is matched and connected with the first synchronous pulley set.

2. A room air conditioner as set forth in claim 1 wherein said screen assembly includes:

the filter screen surrounding frame is arranged at the air inlet and is of a cavity structure;

the filter screen is of an annular structure and is arranged along the trend of the filter screen surrounding frame;

the driving device is used for driving the filter screen, so that the filter screen circularly moves in the filter screen surrounding frame by taking an annular structure as a path.

3. A room air conditioner as set forth in claim 2, wherein said driving means further comprises:

the driving shaft and the driven shaft are respectively arranged at two ends of the filter screen surrounding frame;

the first synchronous wheel set is arranged at the shaft end of the driving shaft;

the shaft end of the driven shaft is provided with a second synchronous wheel set

The inner side of the filter screen is provided with the synchronous belt group;

the synchronous belt group is sleeved on the first synchronous wheel group and the second synchronous wheel group;

the driving shaft rotates to drive the first synchronous wheel set to rotate and drive the synchronous belt set to transmit, and then the filter screen is driven to do circular motion in the annular path.

4. A room air conditioner according to claim 3, wherein said filter net and said timing belt group are of an integrated structure.

5. A room air conditioner according to claim 3, wherein said first synchronizing wheel group includes two synchronizing wheels provided at both ends of said driving shaft, respectively;

the second synchronous wheel group comprises two synchronous wheels which are respectively arranged at two ends of the driven shaft;

the synchronous belt group comprises two synchronous belts which are respectively arranged on two side edges of the filter screen.

6. A room air conditioner as set forth in claim 1, further comprising:

the cleaning device is fixedly arranged at one end of the filter screen assembly and used for cleaning dust on the filter screen, and the cleaning device is arranged at a position opposite to the movement path of the filter screen;

the cleaning device comprises a brush, and the brush is used for continuously generating interference motion with the filter screen in the motion process of the filter screen so as to clean the surface of one side of the filter screen;

the driving shaft and the hairbrush are respectively arranged at the upper side and the lower side of the filter screen, and the driving shaft and the hairbrush are arranged in a staggered manner in the vertical direction;

the dust collecting box is correspondingly arranged at the bottom of the cleaning device and is used for collecting the dust swept off by the cleaning device in a centralized manner.

7. A room air conditioner according to claim 6, wherein said sweeping means further comprises:

the driving motor drives the brush to rotate;

the mounting rack is used for mounting and fixing the hairbrush;

when the filter screen is cleaned, the brush is always in contact with one side face of the filter screen.

8. A room air conditioner as claimed in claim 6, wherein said dust box is detachably provided in the interior of a cabinet of said air conditioner, and said dust box can be directly taken out for cleaning after a panel of said cabinet is opened.

9. The indoor air conditioner according to claim 1, wherein the timing belt group uses polyurethane or rubber.