CN215832056U

CN215832056U - Indoor air conditioner

Info

Publication number: CN215832056U
Application number: CN202121449937.9U
Authority: CN
Inventors: 李冠群
Original assignee: Hisense Shandong Air Conditioning Co Ltd
Current assignee: Hisense Shandong Air Conditioning Co Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-02-15
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses an indoor air conditioner, which comprises a fresh air module for introducing fresh air into a room, a cleaning device for cleaning a filter screen and a dust collecting box arranged at the bottom of the cleaning device for collecting the cleaned dust, wherein the filter screen is horizontally moved, the cleaning form of the cleaning device is fixed on the motion path of the filter screen, the dust collecting box is provided with a dust exhaust port which is communicated with a dust exhaust pipe, the dust exhaust pipe is communicated with a fresh air pipe, a get rid of the problem that dust needs manual processing in can solving the dust collecting box for discharging the dust of collecting in the dust collecting box by the new trend pipe guide, directly arrange the dust in the new trend pipe through the dust exhaust pipe, lead to the filthy stifled problem of new trend pipe after long to the dust accumulation, this scheme relies on the wind pressure of new trend unit will collect the timely getting rid of dust in the new trend pipe outdoor to prevent that the dust time from leading to the new trend pipe to block up after caking for a long time.

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

Along with the extension of air conditioner live time, can accumulate more dust on the filter screen of air conditioner, in order to avoid the dust to block up the filter screen, influence the heat transfer effect of air conditioner, need remove dust to the filter screen of air conditioner.

However, the hanging machine needs manual operation for disassembling and cleaning the filter screen, which is troublesome.

The existing air conditioner with the automatic filter screen cleaning function in the industry cleans the screen surface of the filter screen by arranging the automatic cleaning device, collects the cleaned dust in the dust collecting box, and improves the convenience for cleaning the filter screen by a user.

To the dust by the cleaning device in the dust collecting box, the technical scheme in the dust collecting box, the dust that the dust collecting box regularly collected need be manual to dismantle the cleaning to the dust collecting box after full, has caused some unnecessary troubles, and user's use experience is not good.

SUMMERY OF THE UTILITY MODEL

In some embodiments of this application, for solving above-mentioned technical problem, an indoor air conditioner is provided, this indoor air conditioner has automatic cleaning device and sets up the dust collection box in the cleaning device bottom, a dust exhaust mouth has been seted up to the dust collection box bottom, and communicate the dust exhaust mouth through the dust exhaust pipe with the fresh air duct of air conditioner, the automatic dust exhaust of dust collection box has been realized, the problem of current automatic dust pelletizing system of filter screen needs the user to empty the dust collection box manually after using a period of time, the clearance is solved.

In some embodiments of the application, the structure of the dust collecting box is improved, the dust exhaust port is formed in the bottom of the dust collecting box, the dust exhaust port is communicated with a fresh air pipe of an indoor air conditioner through a dust exhaust pipeline, and dust in the dust collecting box is exhausted outdoors through the dust exhaust pipe, so that the dust collecting box is automatically cleaned.

In some embodiments of the application, the structure of the dust collecting box is improved, a dust collecting assembly is correspondingly arranged at the position of the dust exhaust port, the dust collecting assembly comprises a motor and a fan fixed on the shaft of the motor, the motor drives the fan to rotate so as to form negative pressure, and dust is sucked into the dust collecting box as far as possible and is guided into the fresh air pipe by the dust exhaust pipe.

When carrying out the filter screen cleanness, cleaning device starts, clean the filter screen, dust absorption component starts simultaneously, the dust of cleaning device clearance is inhaled in the dust-collecting box and is discharged into in the new trend pipe by the dust exhaust pipe under the negative pressure, after the filter screen cleans, when the dust is handled to the demand, the new trend fan through new trend unit reverses, produce from indoor to outdoor air supply wind pressure in the new trend pipe, blow the dust of arranging in the new trend pipe before to the outdoor side, accomplish the processing of dust.

The fresh air fan in the fresh air unit is relied on to collect the timely dust that is arranged in the fresh air pipe and get rid of outdoor to prevent that the dust time from caking for a long time and then leading to the fresh air pipe to block up.

In some embodiments of the application, an indoor air conditioner, including the top be provided with the casing of air intake and set up in the casing and be located filter screen, heat exchange assembly and the fan subassembly of air intake below, the air conditioner is still including being used for leading the new trend unit of new trend in to the air conditioner from outdoor space, new trend unit and outdoor space intercommunication have fresh air pipe.

In some embodiments of the application, a driving device for driving the filter screen to move and a cleaning device for cleaning dust on the filter screen are also arranged in the casing;

the bottom of the cleaning device is correspondingly provided with a dust collecting box which is used for collecting the dust swept by the cleaning device in a centralized way.

In some embodiments of the application, a dust exhaust port is formed in the bottom of the dust collection box, the dust exhaust port is communicated with a dust exhaust pipe, and the dust exhaust pipe is communicated with a fresh air pipe and used for guiding and discharging dust collected in the dust collection box through the fresh air pipe.

In some embodiments of the present application, a dust collection assembly is correspondingly disposed at the position of the dust discharge port, and the dust collection assembly is used for driving and guiding dust in the dust collection box to enter the fresh air duct through the dust discharge duct.

In some embodiments of the present application, the dust collection assembly includes a motor and a fan fixed to a motor shaft of the motor, and the motor drives the fan to rotate to form a negative pressure to draw dust into the dust collection box as much as possible and guide the dust into the dust exhaust pipe through the dust exhaust port.

In some embodiments of this application, be provided with the three-way pipe on the fresh air pipe, the fresh air pipe is communicate respectively at three-way pipe both ends, and the other end and the dust exhaust pipe intercommunication of three-way pipe.

In some embodiments of the present application, the driving device includes a driving shaft and a driven shaft, the driving shaft and the driven shaft are respectively disposed at two ends of the air inlet, two ends of the driving shaft and the driven shaft are respectively and fixedly connected with gears, and the gears on the same side at two ends of the two shafts are respectively divided into a first gear set and a second gear set;

the driving device further comprises a rack, the rack is a flexible rack, the racks are provided with two racks, the racks are respectively a first rack and a second rack, the first rack is sleeved on two gears of the first gear set, teeth of the first rack are respectively meshed with teeth of two gears of the first gear set, the second rack is sleeved on two gears of the second gear set, teeth of the second rack are respectively meshed with teeth of two gears of the second gear set, two sides of the filter screen are respectively and fixedly connected to the first rack and the second rack, the driving shaft rotates to drive the gears to rotate and drive the two racks to transmit, and then the filter screen is driven to reciprocate in the air inlet position.

In some embodiments of the present application, the sweeping means includes a brush for sweeping dust on the filter screen, a driving motor for driving the brush to rotate, and a mounting bracket for mounting the brush, wherein the brush is always in contact with a side surface of the filter screen when the filter screen is cleaned.

In some embodiments of the application, the cleaning device further comprises a dust removing comb, the dust removing comb is fixedly installed on the installation frame and is arranged opposite to the brush, and the top of the dust removing comb faces the brush and is used for continuously interfering with the dust removing comb to move in the rotating motion of the brush so as to scrape off dust attached to the brush.

In some embodiments of the present application, a photoelectric component is disposed inside the casing opposite to the air inlet, and the photoelectric component is used for confirming the cleaning position of the filter screen, so as to confirm the cleaning times and cleaning time and confirm whether the filter screen is normally reset.

In some embodiments of the present application, the optoelectronic component and the driving motor are electrically connected to an electronic control unit, and the electronic control unit is configured to:

controlling the motion mode of a driving motor according to the current motion information of the filter screen transmitted by the photoelectric component;

the moving direction of the filter screen is always opposite to the rotating direction of the brush.

In some embodiments of this application, the inside absorption net that is provided with of dust collection box for adsorb the dust in the dust collection box, avoid the interior secondary raise dust of dust collection box.

In some embodiments of the present application, flexible ribs are attached to the surface of the filter screen to increase the tensile strength of the filter screen.

The beneficial effect of this application lies in:

the bottom of the dust collecting box is provided with a dust discharging port, and a dust discharging pipe connected with the dust discharging port is communicated with a fresh air pipe of the indoor air conditioner, a dust collection component is arranged at the position of the dust discharge port, dust is sucked into a fresh air pipe of the indoor air conditioner by utilizing negative pressure, can solve the problem that the dust in the dust collecting box needs to be manually treated, directly discharge the dust into the fresh air pipe through the pipe, then the dust is discharged to the outside through the fresh air pipe, and the pipe is easy to be clogged after the dust is accumulated for a long time, the dust can be further reversed through the fresh air fan of the fresh air unit, produce from indoor to outdoor air supply wind pressure in the new trend intraductal, blow the indoor side to the dust of arranging in the new trend intraductal before, accomplish the processing of dust, rely on the new trend fan in the new trend unit will collect the timely getting rid of the intraductal dust of new trend outdoor to lead to the new trend pipe to block up after preventing the dust time caking for a long time.

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 structural diagrams of an indoor air conditioner in an embodiment of the present invention;

fig. 3 is one of the internal structure views of the indoor air conditioner in the embodiment of the present invention;

fig. 4 is one of the internal structure views of the indoor air conditioner in the embodiment of the present invention;

fig. 5 is one of the internal structure views of the indoor air conditioner in the embodiment of the present invention;

FIG. 6 is a schematic view of the internal structure of the dust collecting box of the driving device and the cleaning device in the embodiment of the present invention;

FIG. 7 is a partial internal structure diagram of a dust collecting box of a driving device and a cleaning device in an embodiment of the utility model;

fig. 8 is a schematic 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; 102. a fresh air duct; 103. a fresh air unit; 104. a three-way pipe; 110. a filter screen; 120. a heat exchange assembly; 130. a fan assembly; 200. a drive device; 300. a cleaning device; 400. a dust collecting box; 211. a drive shaft; 212. A driven shaft; 221. a first gear set; 222. a second gear set; 230. a rack; 231. a first rack; 232. a second rack; 310. a brush; 330. a mounting frame; 331. a dust removal comb; 410. A dust collection assembly; 420. an adsorption net; 430. a dust exhaust pipe.

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 130 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 130 serves as a driving unit for air flow for driving air circulation of indoor air, and the indoor air conditioner 100 is used for exchanging heat and air in 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. 1 to 5, an indoor air conditioner 100 according to the present invention includes a cabinet having an air inlet 101 at a top thereof, and a filter screen 110 disposed in the cabinet and below the air inlet 101.

The filter screen 110 is disposed corresponding to the air inlet 101 and covers the entire area of the air inlet 101.

The filter screen 110 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 easy to adhere to the surface of the heat exchange component 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 110 to filter carried dust and the like, exchanges heat with the heat exchanger, and is blown out from the air outlet through the fan.

In order to clean the dust on the filter screen 110, a driving device 200 for driving the filter screen 110 to move and a cleaning device 300 for cleaning the dust collected by the filter screen 110 are further disposed in the housing.

The bottom of the cleaning device 300 is correspondingly provided with a dust collecting box 400, and the dust collecting box 400 is used for collecting the dust swept by the cleaning device 300.

The room air conditioner 100 further includes a fresh air unit 103.

The fresh air unit 103 is disposed on the left side of the indoor air conditioner 100, and is used for introducing fresh air into the air conditioner from an outdoor space and performing indoor and outdoor fresh air exchange.

The fresh air unit 103 comprises a shell which forms the external shape and structure of the fresh air unit 103, and a fresh air port for introducing fresh air into the fresh air unit 103 is arranged on the shell.

Set up the new trend fan in the shell inside.

The fresh air fan is used for driving air circulation in the fresh air unit 103.

The fresh air inlet is correspondingly connected with a fresh air pipe 102, and the fresh air pipe 102 is used for communicating the fresh air unit 103 with the outdoor space.

As shown in fig. 1 to 5, the dust collecting box 400 is provided with a dust discharging opening, the dust discharging opening is communicated with a dust discharging pipe 430, and the dust discharging pipe 430 is communicated with the fresh air pipe 102 and is used for guiding and discharging the dust collected in the dust collecting box 400 through the fresh air pipe 102.

It should be noted that, after the driving device 200 and the cleaning device 300 are started, the filter screen 110 moves relative to the cleaning device 300 to clean the filter screen 110, and in the cleaning process, the dust cleaned by the brush 310 on the filter screen 110 falls into the dust collecting box 400 under the action of gravity, is guided by the dust exhaust port and enters the fresh air duct 102 through the dust exhaust duct 430, and is further discharged out of the room through the fresh air duct 102, so that the problem that the dust in the dust collecting box 400 needs to be manually treated can be solved, and the dust in the dust collecting box 400 can be automatically discharged.

As shown in fig. 1 to 7, in one embodiment of the present application, a dust suction assembly 410 is disposed at a position corresponding to the dust discharge port.

The dust suction assembly 410 includes a motor and a fan fixed on a motor shaft of the motor, and the motor rotates the fan to form a negative pressure to suck dust into the dust box as much as possible and guide the dust into the dust exhaust pipe 430 through the dust exhaust port.

It should be noted that, a motor with a fan is disposed on a side surface of the dust collecting box 400, and the motor drives the fan to rotate to form a negative pressure, so as to suck dust into the dust collecting box as completely as possible, and the dust enters the fresh air duct 102 through the dust exhaust port and the dust exhaust pipe 430, and is driven to guide the dust into the fresh air duct 102 completely.

The fresh air pipe 102 is provided with a three-way pipe 104.

Two ends of the three-way pipe 104 are respectively communicated with the fresh air pipe 102, and the other end of the three-way pipe 104 is communicated with the dust exhaust pipe 430.

Three openings of the tee 104 are respectively dust inflow, air flow outflow and air flow outflow mixed with dust.

Based on the above embodiment, after the driving device 200 and the cleaning device 300 are started, the filter screen 110 moves relative to the cleaning device 300, so as to remove dust on the filter screen 110, and the dust falls into the dust collection box 400, the dust collection assembly 410 is arranged at the dust discharge port of the dust collection box 400, and then the dust is sucked into the fresh air pipe 102 as completely as possible through the dust discharge pipe 430, the connection position of the dust discharge pipe 430 and the fresh air pipe 102 is a three-way pipe 104, one end of three joints of the three-way pipe 104 is connected with dust discharge so that the dust can fall into the fresh air pipe 102, one end is communicated with the fresh air unit 103 through the fresh air pipe 102, and the other end is communicated with the outdoor space through the fresh air pipe 102 so that the dust can be discharged to the outdoor side.

Further the new trend fan of accessible new trend unit 103 reverses, produces the air supply wind pressure from indoor to outdoor in new trend pipe 102, blows outdoor side to the dust of arranging in the new trend pipe 102 before, accomplishes the processing of dust, and the wind pressure that relies on new trend fan to produce will be collected the timely getting rid of dust in the new trend pipe 102 outdoor to lead to new trend pipe 102 to block up after preventing the dust time caking for a long time.

It should be noted that, in the fresh air mode of the indoor air conditioner 100, the fresh air unit 103 introduces fresh air from the outdoor space to the indoor space through the fresh air duct 102, the fresh air blower provides driving air pressure for air circulation between the indoor and the outdoor, when the dust collecting box 400 is cleaned after the dust cleaning is completed, compared with the above fresh air mode, the fresh air blower is reversed, and the dust in the dust exhaust duct 430 and the dust in the fresh air duct 102 is exhausted to the outdoor space through the fresh air duct 102.

As shown in fig. 3 to 8, the dust cleaned off the filter screen 110 is collected at the position of the three-way pipe 104, and finally blown out of the outdoor side through the fresh air pipe 102 by the wind pressure of the fresh air fan of the fresh air unit 103.

As shown in fig. 3 to 8, in one embodiment of the present application, an adsorption net 420 is provided inside the dust box 400 to adsorb dust inside the dust box 400.

The adsorption net 420 is a HEPA (high efficiency air filter) net, and a HEPA net for dust adhesion is provided in the dust box 400.

It should be noted that the motor drives the fan to rotate to form negative pressure, so as to suck dust into the dust collecting box as completely as possible, and the dust is adsorbed by the HEPA net, so that the dust is prevented from suspending in the dust collecting box 400 to cause secondary pollution, and a good dust collecting effect is achieved.

As shown in fig. 3-8, 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 intake port 101.

Gears are fixedly connected to both ends of the driving shaft 211 and the driven shaft 212, respectively, and the gears on the same side on both ends of the two shafts are divided into a first gear set 221 and a second gear set 222, respectively.

The drive device 200 further comprises a rack 230.

The rack 230 is a flexible rack 230, and two racks are provided, namely a first rack 231 and a second rack 232.

The first rack 231 is sleeved on the two gears of the first gear set 221, teeth of the first rack 231 are respectively engaged with teeth of the two gears of the first gear set 221, the second rack 232 is sleeved on the two gears of the second gear set 222, teeth of the second rack 232 are respectively engaged with teeth of the two gears of the second gear set 222, two sides of the filter screen 110 are respectively and fixedly connected to the first rack 231 and the second rack 232, and the driving shaft 211 rotates to drive the gears to rotate and drive the two racks 230 to perform transmission.

It should be noted that the driving shaft 211 is connected to a motor for rotating the driving shaft 211, and the filter screen 110 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 110 is in a ring structure and is horizontally disposed, two sides of the filter screen are respectively engaged with the first gear set 221 and the second gear set 222 at two ends of the driving shaft 211 and the driven shaft 212 through the first rack 231 and the second rack 232 in a sleeved manner, the driving shaft 211 is located at the right end of the filter screen 110, and the driven shaft 212 is located at the left end of the filter screen 110.

Through the arrangement of the driving shaft 211, the driven shaft 212, the annular rack 230 and the filter screen 110 connected to the rack 230, the driving device 200 has a simple structure, occupies a small space, and has firm and reliable operation and low failure rate.

It should be noted that the filter screen 110 can repeatedly move up and down in the internal space of the air inlet 101 by the forward rotation and the reverse rotation of the driving shaft 211, and the cleaning device 300 can be combined to clean the filter screen for an unlimited number of times, and the cleaning process can be continuous.

In the above embodiment, the transmission form of the driving shaft 211 driving the filter screen 110 to slide in the air inlet 101 is selected to be the engagement of the gear and the rack 230, and in other forms of the present application, various forms of transmission such as a chain, a transmission belt, etc. may also be adopted. After the drive shaft 211 starts, give chain or conveyer belt with power transmission, and then drive filter screen 110 and remove, consequently, based on the transmission principle of this application, no matter what kind of transmission form is selected for use by drive arrangement 200 all belongs to the scope of protection of this application.

As shown in fig. 3 to 8, in one embodiment of the present application, the sweeping means 300 includes a brush 310 for sweeping dust on the filter screen 110, a driving motor for driving the brush 310 to rotate, and a mounting bracket 330 for mounting the brush 310.

Wherein, when the filter screen 110 is cleaned, the brush 310 is always in contact with one side of the filter screen 110.

The driving means 200 drives the filter screen 110 to horizontally move leftward or rightward, and the fur 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.

In an embodiment of the present application, the driving shaft 211 driving the filter screen 112 to move and the brush 310 in the cleaning device 300 are respectively disposed on 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.

It should be noted that, when the filter screen 110 is cleaned, the brush 310 rotates to clean the dust on the contact portion of the filter screen 110, and different portions of the filter screen 110 are respectively contacted with the brush 310 by the movement of the filter screen 110, so that the dust on the filter screen 110 is separated from the filter screen 110, and finally the filter screen 110 is cleaned; therefore, the brush 310 only needs to rotate when cleaning, and the brush is not used for moving along the filter screen 110 in the machine shell, but the movement of the filter screen 110 is arranged, so that different parts of the filter screen 110 are in contact with the brush 310.

As shown in fig. 3 to 8, the dust is swept from the filter screen 110 by the brush 310, falls into the dust collecting box 400, is sucked by the dust suction assembly 410, and then enters the fresh air duct 102 through the dust exhaust pipe 430.

The fresh air fan of the fresh air unit 103 is rotated reversely, so that air supply pressure from the indoor to the outdoor is generated in the fresh air duct 102, and dust which is previously discharged into the fresh air duct 102 is blown to the outdoor side, thereby completing dust treatment.

As shown in fig. 8, in one embodiment of the present application, the sweeping device 300 further includes a dust removing comb 331.

In an embodiment of the present application, one side of the dust removing comb 331 is provided with a plurality of flexible thin sheets as comb teeth of the dust removing comb 331, the comb teeth can be made of rubber, and the other side of the dust removing comb 331 is fixed on the mounting frame 330.

The dust removing comb 331 is fixedly installed on the mounting frame 330, the dust removing comb 331 is disposed opposite to the brush 310, and the teeth of the dust removing comb 331 face the brush 310, and are configured to scrape off dust attached to the brush 310 by continuously interfering with the dust removing comb 331 during the rotation of the brush 310.

When the cleaning device 300 is used for cleaning, the filter screen 110 is cleaned through the rotation of the hairbrush 310, dust is attached to the hairbrush 310 and rotates along with the rotation of the hairbrush 310, the dust is combed off the hairbrush 310 and falls into the dust collection box 400 below the hairbrush 310 through the combing of the dust removal comb 331, the surface of the filter screen 110 is cleaned through the hairbrush 310, the dust removal comb 331 enables the dust attached to the hairbrush 310 after the filter screen 110 is cleaned to completely fall off, the cleaning capacity of the hairbrush 310 is increased, and the cleaning speed of the filter screen 110 is improved.

Certainly, when the brush 310 rotates to clean the filter screen 110, part of dust may fall into the dust collecting box 400 after directly separating from the filter screen 110, and part of dust floats in the air at the brush 310, and because the brush 310 rotates at a fixed position in the housing, the floating dust is mainly concentrated at the position, thereby avoiding large-area floating of dust in the housing; and the dust box 400 is located under the brush 310, and finally most of the floating dust falls into the dust box 400. Therefore, the separated dust is prevented from falling on other parts in the machine shell again in the cleaning process.

In some embodiments of the present application, the intake vent 101 is provided with an optoelectronic assembly (not shown) at one end.

The photoelectric assembly is used to confirm the cleaning position of the filter screen 110, so as to confirm the number of times and the cleaning time of cleaning, and to confirm whether the filter screen 110 is normally reset.

controlling the motion mode of the driving motor according to the current motion information of the filter screen 110 transmitted by the photoelectric component;

when the cleaning device 300 is in a cleaning state, the electric control unit controls the movement direction of the filter screen 112 and the rotation direction of the brush 310 to be opposite to the movement direction of the tangent position of the filter screen 112 and the brush 310, and the two move relatively, so that the joint time of the brush 310 and the filter screen 112 is increased, the contact stress between the two is increased, and the cleaning efficiency of the brush 310 is improved.

When the filter screen 112 is blocked in the moving process, the electronic control unit controls the moving direction of the filter screen 112 to be the same as the moving direction of the brush 310 at the tangent position of the filter screen 112 and the brush 310, so as to play a role in assisting to drive the filter screen 112 to move in the rotating process of the brush 310.

It should be noted that, based on the above embodiment, when the brush 310 cleans the filter screen 110, the photoelectric component and the electronic control unit are arranged to make the filter screen 110 reciprocate relative to the brush 310, and the number of times that the filter screen 110 passes through the cleaning device 300 is recorded according to the measurement data of the photoelectric component, so as to achieve the purpose of automatically and repeatedly cleaning the filter screen 110.

It should be further noted that, in order to increase the force applied to the dust when the brush 310 cleans, when cleaning the filter screen 110, at the contact position between the brush 310 and the filter screen 110, the movement information including the movement direction of the filter screen 110, which is transmitted to the electronic control unit through the photoelectric component, the rotation direction of the brush 310 is controlled by the electronic control unit to be opposite to the movement direction of the filter screen 110, so that the brush 310 applies a larger force to the filter screen 110, which is beneficial to the dust on the filter screen 110 to separate from the filter screen 110, thereby improving the cleaning effect, when the filter screen 112 is blocked in the movement process, through the same direction movement of the brush 310 and the filter screen 112, the brush 310 can play a role in assisting the movement of the filter screen 112 in the rotation process, and the filter screen 112 can move more smoothly.

In this embodiment, as shown in fig. 7, the brush 310 is set to rotate clockwise, and the filter screen 110 of the brush 310 is set to move partially from right to left.

In the practical application test, the flexible filter screen 110 is easily torn off by pulling the driving device 200, so the user needs to frequently replace the filter screen 110, the use cost is increased, and the design of the scheme is contrary to the original purpose, therefore, for the technical problem, the following embodiments are proposed in the present application:

flexible reinforcing ribs are attached to the surface of the filter screen 110 to increase the tensile strength of the filter screen 110.

The reinforcing ribs can be made of soft, bendable and high-tensile-strength materials such as flexible plastics and rubber strips.

In some embodiments of the present application, a method for automatically cleaning the filter screen 110 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 110 to move through the meshing of the gear rack 230, on the moving path of the filter screen 110, the brush 310 contacts with one side surface of the filter screen and rotates to clean the filter screen 110, in the cleaning process, the dust cleaned by the brush 310 on the filter screen 110 falls into the dust collection box 400 under the action of gravity, the photoelectric component confirms the cleaning position of the filter screen 110 so as to confirm the cleaning times and cleaning time and confirm whether the filter screen 110 is normally reset, meanwhile, the electric control unit controls the rotating direction of the brush 310 through the information transmitted by the photoelectric component, and after the filter screen 110 is determined to be clean, the cleaning is finished;

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

The brush 310 cleans the filter screen 110, and the method includes the following steps:

the fur brush 310 on the fur brush 310 cleans the filter screen 110, and then the fur brush 310 with the attached dust rotates in the direction of the dust removing comb 331, and the dust removing comb 331 combs the fur brush 310 to drop the attached dust and moves to the dust collecting case 400 below the fur brush 310.

In other embodiments, the cleaning time may be preset by the electronic control unit, for example, the preset time is 5-15 minutes, and after the air conditioner automatically cleans the filter screen 1105-15 minutes, the cleaning of the filter screen 110 is finished.

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 dust discharging in the dust box 400 has the following steps:

after the driving device 200 and the cleaning device 300 are started, the filter screen 110 moves relative to the cleaning device 300, so that the dust on the filter screen 110 is removed and falls into the dust collection box 400;

the dust collection assembly 410 is started, the motor drives the fan to rotate, dust is sucked into the fresh air pipe 102 as completely as possible, the connecting position of the dust exhaust pipe 430 and the fresh air pipe 102 is a three-way pipe 104, one end of three joints of the three-way pipe 104 is connected with dust exhaust so that the dust can fall into the fresh air pipe 102, the other end of the three-way pipe is communicated with the fresh air receiving unit 103 through the fresh air pipe 102, and the other end of the three-way pipe is communicated with the outdoor space through the fresh air pipe 102 so that the dust can be exhausted to the outdoor;

furthermore, the fresh air fan of the fresh air unit 103 can be used for reversing, so that air supply pressure from the indoor to the outdoor is generated in the fresh air pipe 102, and dust which is discharged into the fresh air pipe 102 before is blown to the outdoor side, so that the dust treatment is completed.

The first conception of this application improves the structure of dust collection box, has seted up the dust exhaust mouth in dust collection box bottom to communicate the dust exhaust mouth through the dust exhaust pipeline with the new tuber pipe of indoor air conditioner from taking, pass through the dust exhaust pipe with the dust in the dust collection box and discharge outdoor, realize that the dust collection box is automatic to be cleared up.

The second design of this application, improved the structure of dust collection box, correspond at the dust exhaust mouth position and be provided with dust absorption subassembly, dust absorption subassembly includes the motor and fixes the fan on the motor shaft of motor, and the motor drives the fan rotation in order to form the negative pressure, inhales the dust as far as possible in the dust collection box and gets into in the new trend pipe by the guide of dust exhaust pipe.

The third of this application thinks about, when carrying out the filter screen cleanness, cleaning device starts, clean the filter screen, dust absorption component starts simultaneously, the dust of cleaning device clearance is inhaled in the dust-collecting box and is discharged into the new trend by the dust exhaust pipe under the negative pressure, the filter screen cleans after finishing, motor through the new trend unit reverses, produce the air supply pressure from indoor to outdoor in the new trend intraductal, blow the outdoor side to the dust of arranging the new trend intraductal before, accomplish the processing of dust, the wind pressure that relies on the new trend fan to produce will collect the interior timely getting rid of dust of new trend is outdoor, lead to the new trend pipe to block up after preventing the dust time caking of a specified duration.

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, a heat exchange assembly and a fan assembly, wherein the top of the machine shell is provided with an air inlet;

the indoor air conditioner also comprises a fresh air unit used for introducing fresh air into the air conditioner from an outdoor space, a fresh air fan is arranged in the fresh air unit, and the fresh air unit is communicated with the outdoor space by a fresh air pipe;

the dust cleaner is characterized in that a driving device for driving the filter screen to move and a cleaning device for cleaning dust on the filter screen are also arranged in the machine shell;

the bottom of the cleaning device is correspondingly provided with a dust collecting box which is used for collecting the dust swept by the cleaning device in a centralized manner;

the dust collecting box is provided with a dust exhaust port which is communicated with a dust exhaust pipe, and the dust exhaust pipe is communicated with the fresh air pipe and used for guiding and discharging the dust collected in the dust collecting box through the fresh air pipe.

2. A room air conditioner according to claim 1, wherein a dust suction unit is provided at a position corresponding to said dust discharge port;

the dust collection assembly comprises a motor and a fan fixed on a motor shaft of the motor;

the motor drives the fan to rotate so as to form negative pressure, dust is sucked into the dust collecting box as far as possible and is guided into the dust exhaust pipe through the dust exhaust port.

3. The room air conditioner of claim 1, wherein said fresh air duct is provided with a tee;

two ends of the three-way pipe are respectively communicated with the fresh air pipe, and the other end of the three-way pipe is communicated with the dust exhaust pipe.

4. A room air conditioner according to claim 1, wherein said driving means comprises:

the driving shaft and the driven shaft are respectively arranged at two ends of the air inlet;

the two ends of the driving shaft and the driven shaft are respectively and fixedly connected with gears, and the gears on the same side on the two ends of the two shafts are respectively divided into a first gear set and a second gear set;

the rack is a flexible rack, and the number of the racks is two, namely a first rack and a second rack;

the first rack is sleeved on the two gears of the first gear set, and the teeth of the first rack are respectively meshed with the teeth of the two gears of the first gear set;

the second rack is sleeved on the two gears of the second gear set, and the teeth of the second rack are respectively meshed with the teeth of the two gears of the second gear set;

two sides of the filter screen are respectively and fixedly connected to the first rack and the second rack;

and the driving shaft rotates to drive the gear to rotate and drive the two racks to transmit, so that the filter screen is driven to reciprocate in the air inlet position.

5. A room air conditioner according to claim 1, wherein said cleaning means comprises:

the brush is used for sweeping dust on the filter screen;

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.

6. The room air conditioner of claim 5, wherein said sweeping means further comprises a dust removing comb;

the dust removing comb is fixedly arranged on the mounting frame and is opposite to the hairbrush;

the top of the dust removal comb teeth faces the brush and is used for interfering with the dust removal comb continuously in the rotating motion of the brush to scrape off dust attached to the brush.

7. The indoor air conditioner according to claim 5, wherein a photoelectric module is provided in the casing at a position opposite to the air inlet, and the photoelectric module is used for confirming the cleaning position of the filter screen, so as to confirm the number of times and the cleaning time of cleaning and confirm whether the filter screen is normally reset;

the photoelectric assembly and the driving motor are both electrically connected with an electric control unit, and the electric control unit is configured to:

controlling the motion mode of the driving motor according to the current motion information of the filter screen, which is transmitted by the photoelectric assembly;

the movement direction of the filter screen is always opposite to the rotation direction of the brush.

8. A room air conditioner as claimed in claim 1, wherein an adsorption net for adsorbing dust in said dust box is provided inside said dust box.

9. A room air conditioner as claimed in claim 1, wherein flexible ribs are attached to a surface of said filter net to increase a tensile strength of said filter net.