CN106705288B

CN106705288B - Automatic dust removal device and automatic dust removal method

Info

Publication number: CN106705288B
Application number: CN201710016552.5A
Authority: CN
Inventors: 张哲源; 姜凤华; 田镇龙
Original assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2017-01-10
Filing date: 2017-01-10
Publication date: 2020-05-22
Anticipated expiration: 2037-01-10
Also published as: CN106705288A

Abstract

The invention provides an automatic dust removing device, which is used for an air conditioner, wherein the air conditioner comprises an air inlet and a face frame, the air inlet is arranged on the upper end face of the face frame, and the automatic dust removing device comprises: the grating component comprises a support shell, a filter screen, a driving device and a rolling brush component; the support casing has the open-ended cavity for upper and lower both ends, is provided with the pin joint hole on the lateral wall of support casing, and the round brush subassembly pin joint is downthehole at the pin joint, and the filter screen is end to end's closed loop construction, and the filter screen covers the opening at the support casing, and the filter screen is convoluteed on the round brush subassembly, and the border of filter screen is provided with the conveyer belt, and the round brush subassembly passes through the operation of conveyer belt drive filter screen, and the drive arrangement drive round brush subassembly of air conditioner is rotatory. The automatic dust removal device provided by the invention is arranged at the air inlet of the split wall-mounted air conditioner, and the automatic dust removal device realizes the effect of automatically cleaning dust, so that the automatic dust removal device is convenient for users to use to the greatest extent.

Description

Automatic dust removal device and automatic dust removal method

Technical Field

The invention relates to the technical field of air conditioner production, in particular to an automatic dust removal device and an automatic dust removal method.

Background

At present, in the correlation technique, the wall-hanging air conditioner of components of a whole that can function independently often needs the manual washing filter screen, throws and washs the filter screen and is not to say that a thing that is not only dirty but also tired and troublesome is thrown, takes off filter screen itself from hanging on the higher air conditioner that leaves ground also has certain danger, and in addition, the filter screen that piles up the dust also breeds the bacterium more easily, is unfavorable for people's health and the maintenance of air conditioner performance.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art or the related art.

Therefore, the first purpose of the invention is to provide an automatic dust removing device.

The second purpose of the invention is to provide an automatic dust removal method.

In view of the above, according to a first object of the present invention, there is provided an automatic dust removing device for an air conditioner, the air conditioner including an air inlet and a face frame, the air inlet being disposed on an upper end surface of the face frame, the automatic dust removing device comprising: the grating component comprises a support shell, a filter screen, a driving device and a rolling brush component; the support casing has the open-ended cavity for upper and lower both ends, is provided with the pin joint hole on the lateral wall of support casing, and the round brush subassembly pin joint is downthehole at the pin joint, and the filter screen is end to end's closed loop construction, and the filter screen covers the opening at the support casing, and the filter screen is convoluteed on the round brush subassembly, and the border of filter screen is provided with the conveyer belt, and the round brush subassembly passes through the operation of conveyer belt drive filter screen, and the drive arrangement drive round brush subassembly of air conditioner is rotatory.

The automatic dust removal device provided by the invention is arranged at the air inlet of the split wall-mounted air conditioner, the automatic dust removal device realizes the effect of automatically cleaning dust, the dust on the filter screen is cleaned more thoroughly, the use of a user is facilitated to the greatest extent, and a grid assembly in the automatic dust removal device is an independent module, so that the automatic dust removal device can be conveniently taken down from and installed at the air inlet of the face frame, and the maintenance or cleaning is facilitated. Wherein, the support casing has the open-ended cavity for upper and lower both ends, and the up end of support casing is for opening the structure, does not have promptly to shelter from, and the terminal surface sets up to the grid down, and the lateral wall of support casing also can set up the grid, has guaranteed the overall structure stability of support casing, and save material cost does not influence the air inlet demand of air conditioner again, supports casing detachable simultaneously and installs on the lateral wall of air intake, has made things convenient for the maintenance and has washd the grid subassembly. The round brush subassembly is cylindric structure, the outside covers has the clearance brush of clearance dust, corresponding pin joint hole pin joint on the diaxon end of round brush subassembly and the support shell lateral wall, the filter screen is convoluteed on the circumference of round brush subassembly simultaneously, when clearance dust, drive arrangement drive round brush subassembly is at pin joint downthehole rotation, be provided with on the round brush subassembly simultaneously with conveyer belt complex drive mechanism, make the round brush subassembly drive conveyer belt operation, thereby it operates round the round brush subassembly to drive the filter screen package, because it has the ventilation aperture to gather on the filter screen, can be covered with the dust above the aperture, the plastic filament of the clearance brush on the round brush subassembly can pierce through the aperture, and then clear up the dust from the filter screen, it is more thorough to clear up the dust. Because the filter screen is end to end's closed loop structure, along with the continuous drive filter screen circulation operation of round brush subassembly, and then the dust of whole filter screen can be cleared up by whole, realizes the effect of automatic clearance dust, and the furthest is convenient for user's use.

In addition, the automatic dust removing device provided by the embodiment of the invention also has the following additional technical characteristics:

in the above technical solution, preferably, the rolling brush assembly includes a first rolling brush, a second rolling brush and a third rolling brush; one end of the filter screen is wound on the second rolling brush, the other end of the filter screen is wound on the third rolling brush, the second rolling brush drives the third rolling brush to rotate through the conveying belt, and the first rolling brush abuts against the second rolling brush.

In the technical scheme, the first rolling brush, the second rolling brush and the third rolling brush can be of the same or similar structure, the first rolling brush, the second rolling brush and the third rolling brush are arranged on the supporting shell in parallel, the first rolling brush abuts against the second rolling brush and is arranged at one end of the supporting shell, the third rolling brush is arranged at the other end of the supporting shell, one end of the filter screen is wound on the second rolling brush, namely one end of the filter screen is clamped between the first rolling brush and the second rolling brush, and the other end of the filter screen is wound on the third rolling brush, so that the filter screen is divided into an upper layer and a lower layer, and the opening of the supporting shell is sealed by the filter screen. Wherein, drive arrangement sets up to two, the first round brush of a drive arrangement drive, another drive arrangement drive second round brush, the second round brush passes through conveyer belt on the filter screen and constitutes banding drive mechanism with the third round brush, thereby when the second round brush is rotatory, also can move together as driven third round brush, the operation of third round brush can be not hard up the processing to the dust on the filter screen, when the filter screen that does not hard up the dust moves the contact surface that first round brush and second round brush counterbalance leaned on, can clear away the processing to the dust on the filter screen, simultaneously because first round brush and second round brush mutual extrusion rotate, can increase the clear dynamics to the filter screen, thereby make the dust on the filter screen clear up more thoroughly. When dust is removed, the two driving devices are started simultaneously, the first rolling brush and the second rolling brush rotate in different rotation directions simultaneously, the rotation time of the filter screens is controlled by software, after the filter screens run for 1 period (the definition of 1 period is that when the upper layer of filter screens return to the position of the upper layer for the first time, the first rolling brush changes the rotation direction, the second rolling brush keeps rotating continuously, and when the filter screens run for 0.5 period (the definition of 0.5 period is that when the upper layer of filter screens just completely run to the position of the lower layer of filter screens for the first time, the first rolling brush and the second rolling brush stop running after the first rolling brush and the second rolling brush are just completely run for 0.5 period).

Specifically, during the whole dust removing process, the filter screen needs to rotate for 1.5 cycles, and when the 1 st cycle of the whole 1.5 cycles occurs, the filter screen on the upper layer will return to the original position again (at this time, the filter screen on the lower layer will be at the original position), and during the rotation process, the first rolling brush will rotate in the direction opposite to that of the second rolling brush (when viewed from the front of the air conditioner, the second rolling brush will rotate in the counterclockwise direction). The first roller brush will therefore contribute to the removal of the larger dust on the filter screen, and in addition, some of the larger dust will automatically fall down into the corresponding dust collecting device due to the effect of gravity; in the following 0.5 period, the first rolling brush turns the same as the second rolling brush, at this time, the cleaning brush is beneficial to sweeping the fine dust on the filter screen. Like this, when sweeping the dirt end, the part filter screen that originally was located the upper strata just is located the position of lower floor, and the filter screen of lower floor also just is located the position of upper strata, will be favorable to the effect of removing dust promptly to do so, is favorable to delaying the deformation of filter screen again and prolongs the life-span of filter screen.

In any one of the above technical solutions, preferably, the first rolling brush, the second rolling brush, and the third rolling brush each include: the brush is used for removing dust on the filter screen; the brush is wound and fixed on the rotating shaft; the transmission gear is connected with the end part of the rotating shaft through a key; wherein, the rotating shaft is pivoted with the pivoting hole.

In the technical scheme, two shaft ends of a rotating shaft are pivoted in a pivoting hole, a brush is wound and connected on the circumference of the rotating shaft, the rotating shaft can drive the brush to rotate along with the rotating shaft, a shaft end of a first rolling brush is connected with a transmission gear, and a driving device drives the transmission gear of the first rolling brush to enable the first rolling brush to rotate. Because in order to guarantee the consistency and stability of the operation of the filter screen, two conveyor belts are arranged on the two edges of the filter screen, two shaft ends of the second rolling brush are respectively connected with a transmission gear, two shaft ends of the third rolling brush are also respectively connected with a transmission gear, the transmission gears at the two ends of the second rolling brush and the transmission gears at the two ends of the third rolling brush are respectively connected through the conveyor belts at the two edges of the filter screen to form two synchronous belt transmission structures, and further, when the second rolling brush drives the third rolling brush to rotate, the consistency and stability of the operation of the filter screen can be guaranteed, and the phenomenon that the filter screen deviates due to the inconsistent operation of the two edges is avoided. Meanwhile, one shaft end of the second rolling brush is additionally connected with a transmission gear, namely, one shaft end of the second rolling brush is connected with two transmission gears, one transmission gear is connected with the conveying belt, the other transmission gear is connected with the other driving device, so that the second rolling brush rotates, the third rolling brush is driven to rotate, the filter screen operates, and automatic dust removal is realized.

In any of the above technical solutions, preferably, the conveyor belt is a rack arranged on the edge of the filter screen, and the transmission gears on the second rolling brush and the third rolling brush are meshed with the rack.

In the technical scheme, a toothed belt can be arranged on the edge of the filter screen, a transmission gear of the second rolling brush and a transmission gear of the third rolling brush are connected through the toothed belt to form a synchronous belt transmission structure, the tooth form of the toothed belt is matched with the tooth form of the transmission gear, so that the second rolling brush drives the filter screen to not slip when in operation, the accuracy of the operation of the filter screen is further ensured, the accuracy of the automatic dust removal device when reading the operation period data of the filter screen is ensured, and dust at all positions on the filter screen can be completely removed. The tooth belt also can set up on the both ends border of filter screen, and then when the second round brush drives the rotation of third round brush, can guarantee filter screen moving uniformity and stability, avoids both sides operation nonconformity to lead to the skew position of filter screen.

In any one of the above technical solutions, preferably, the driving device includes: the first motor drives the first rolling brush to rotate, and the second motor drives the second rolling brush to rotate.

In this technical scheme, first motor and second motor can be the motor of the same type also can be the motor of different grade type, through selecting for use the motor as drive arrangement, simple structure, and the power supply is convenient. Wherein, first motor and second motor drive first round brush rotation and second round brush rotation respectively, can make things convenient for the respective round brush of independent control, especially when the dust removal in-process, first round brush needs the redirecting rotation, just can realize through the solitary control of first motor, and can not disturb the second round brush rotation, and then realize cleaing away the more thorough effect of dust.

In any of the above technical solutions, preferably, an output shaft of the first motor is connected with a first driving gear, an output shaft of the second motor is connected with a second driving gear, the first driving gear is externally engaged with a transmission gear of the first rolling brush, and the second driving gear is externally engaged with a transmission gear of the second rolling brush.

In the technical scheme, in order to ensure the compactness of the structure of the grating component, the power output by the first motor is transmitted to the transmission gear of the first rolling brush through the first driving gear and the transmission gear of the second rolling brush through the second driving gear by arranging the corresponding motion transmission mechanism (namely the first driving gear and the second driving gear), and the power output by the second motor is transmitted to the transmission gear of the second rolling brush through the second driving gear.

In any of the above technical solutions, preferably, a transmission cavity is provided on a side wall of the support housing, a transmission gear of the second rolling brush is engaged with a driving gear of the second motor in the transmission cavity, and the first motor is also disposed in the transmission cavity.

In the technical scheme, the motor and the gear assembly are arranged in the transmission cavity by arranging the transmission cavity, so that the motor and the gear assembly are protected, dust is prevented from being splashed onto a gear meshing surface or into the motor, the transmission effect or the service life of the motor is prevented from being influenced, and the automatic dust removal effect is further influenced.

In any of the above technical solutions, preferably, the automatic dust removing device includes: the first clamping plate is buckled and covered at the opening of the transmission cavity.

In this technical scheme, the concrete shape of first cardboard can with the opening shape looks adaptation of transmission cavity, through setting up the opening part that first cardboard detachable installed at the transmission cavity, both avoided in the dust splashes the transmission cavity, damaged motor and gear assembly, convenient maintenance and maintenance again make the effect of automatic dust removal better.

In any of the above technical solutions, preferably, the grill assembly includes: and the ash scraping plate is arranged on the circumference of the second rolling brush and is abutted against the filter screen, so that the filter screen is extruded between the second rolling brush and the ash scraping plate.

In the technical scheme, the dust scraping plate is arranged on the circumference of the second rolling brush, and the filter screen is extruded between the second rolling brush and the dust scraping plate, so that dust on the filter screen can be effectively and thoroughly removed when the second rolling brush and the filter screen run, particularly dust which is not easy to fall off can be removed, and the filter screen is cleaner. The selection of the position is arranged to the scraping board, can arrange the scraping board in the filter screen and be about to break away from the position department of second round brush, because the filter screen has passed through the extrusion clearance effect of first round brush and second round brush, most dust has been can be disposed, only a small part of stubborn dust glues on the filter screen, but the processing through first round brush and second round brush is in not hard up state, and then can make stubborn dust dispose through the scraping effect of scraping board. The dust scraper on the support housing will always play an important role in the removal of dust from the filter screen during the dust removal process.

In any of the above solutions, preferably, the scraper extends along an axial direction of the second rolling brush.

In the technical scheme, because the filter screen wraps on the second round brush, through setting up the ash scraping plate that is the same length as the second round brush, and make the extending direction of ash scraping plate and the axial of second round brush unanimous, when second round brush and filter screen operation, can ensure that the ash scraping plate can scrape the dust on all positions of filter screen to make the dust removal cleaner, more comprehensive.

In any of the above technical solutions, preferably, the grill assembly includes: the apron, the apron is arranged on first round brush, and the one end of apron articulates on supporting shell's upper end border, and the other end of apron is taken on supporting shell's upper end another border, and the other end of apron can be round the pin joint rotation.

In the technical scheme, when dust removal is needed, the cover plate positioned at the top of the grating can be automatically opened to a position of 90 degrees; within 3 seconds after the dust sweeping is finished, the cover plate is reset and automatically closed, the cover plate has the functions of protecting the motor and the gear assembly on one hand and blocking dust from splashing outside in the dust sweeping process on the other hand.

In any one of the above technical solutions, preferably, the automatic dust removing device includes a dust box made of a transparent material, a lower dust opening is provided on a lower end surface of the supporting housing, and the lower dust opening is disposed above a box opening of the dust box.

In the technical scheme, the dust box is arranged to collect dust, so that the dust does not need to be processed every time, the time cost is saved, and the dust processed from the filter screen falls into the dust box through the dust outlet. A transparent observation window can be arranged in front of the dust box, so that a user can conveniently observe whether the dust box is full of dust or not.

In any of the above technical solutions, preferably, the ash discharging port includes: the one end of dust deflector articulates on supporting housing, and the other end is taken up and is leaned on the box opening border of dust box, and the one end of dust deflector is located the top of the other end of dust deflector, and the face of dust deflector is arranged under the contact surface that first round brush and second round brush counterbalance leaned on.

In this technical scheme, through setting up the dust deflector of slope, can make from the filter screen on the dust that handles down fall into the face of dust deflector, under the effect of gravity along the one end of slope face landing to the dust deflector who leans on at the box mouth border of dust box, and then fall into the dust box, guaranteed that the dust can fall into in the dust box fast completely. Meanwhile, the dust guide plate is connected to the supporting shell in a hinged mode, the rotating angle of the dust guide plate can be adjusted, the size of the lower dust opening is adjusted, more dust can conveniently fall off when the lower dust opening is adjusted, and the lower dust opening is adjusted to be smaller so as to prevent the dust in the dust box from flying upwards to pollute the transmission dust removal mechanism.

In any of the above technical solutions, preferably, the ash discharging port includes: the side wall of the supporting shell close to the first rolling brush is provided with a baffle extending downwards, and the end part of the baffle is close to the box opening direction of the dust box.

In this technical scheme, through set up the baffle of slope on the lateral wall that supports the casing, make the dust that spatters to the lateral wall that supports the casing fall at the baffle to in the dust box is fallen to the effect gliding of gravity, make in the dust box can fall fast completely to the dust, simple structure.

In the specific embodiment, the dust guide plate is combined with the baffle plate to form a V-shaped funnel structure, the swept dust can automatically fall into the dust box from the V-shaped dust outlet, and the dust can be ensured to fall into the dust box quickly and completely to the maximum extent.

In any of the above technical solutions, preferably, a distance is provided between the axis of the first rolling brush and a side wall of the support housing close to the first rolling brush, and the distance is greater than a radius of the first rolling brush.

In this technical scheme, through set up certain width gap between the lateral wall that first round brush and support casing, can make the dust that gets off from first round brush, follow this gap and pass to drop down grey mouthful department, make the dust can drop in the dust box fast completely.

In any of the above technical solutions, preferably, the face frame is provided with a positioning groove, and the dust box is provided with a convex edge, and the convex edge can slide in the positioning groove.

In this technical scheme, protruding edge sets up on the outer wall of dust box lateral wall, and the constant head tank setting is on the face frame, and protruding edge can slide in the constant head tank to the dust box can be manually taken out and put back, conveniently emptys the dust, and the realization can be dismantled.

In any of the above technical solutions, preferably, the distance between two opposite edges of the opening of the dust box and the bottom of the dust box is not consistent, and the two convex edges are respectively disposed on the two opposite edges of the opening of the dust box.

In this technical scheme, dust box both sides edge design of inequality height has the foolproof function itself, avoids dust box mounted position to make mistakes.

In any of the above solutions, preferably, a side wall of the dust scraper facing away from the filter screen is connected to the hinged end of the dust guide plate.

In this technical scheme, through setting the ash scraping plate together with the dust deflector, the ash scraping plate is directly fallen to the dust deflector from the dust ash that the filter screen was scraped, and then makes the dust can fall in the dust box fast completely.

In any one of the above technical solutions, preferably, the face frame is provided with a dust box accommodating cavity, and the automatic dust removing device includes: the second clamping plate is buckled and covered at the opening of the dust box accommodating cavity; wherein, the dust box is placed in the accommodating cavity.

In this technical scheme, be provided with the constant head tank on the lateral wall that holds the chamber, protruding edge on the dust box can slide into the constant head tank in, makes the dust box install and holds the intracavity, and the location of dust box is held the rear location structure in chamber and preceding second cardboard by being located the face frame and is constituteed to the dust box is fixed, conveniently connects the dust.

In any of the above technical solutions, preferably, an inner wall of the air inlet is provided with a plurality of grooves, an outer side wall of the support housing is provided with a plurality of positioning fasteners, and the plurality of positioning fasteners and the plurality of grooves are adapted to each other one by one.

In the technical scheme, the assembly of the grating assembly and the face frame can be realized by means of the matching installation of a plurality of positioning buckles on the back of the supporting shell and a plurality of grooves on the face frame. Specifically, the number of the positioning buckles at the back of the supporting shell is four, the two ends of the supporting shell are main positioning buckles, and the middle two positioning buckles are auxiliary positioning buckles, so that the positioning firmness is guaranteed, and the supporting shell is convenient to detach.

In any of the above technical solutions, preferably, another inner wall of the air inlet is provided with a limit card, and an outer side wall of the support housing is clamped in the limit card.

In the technical scheme, the grid component can be fixed at the air inlet by arranging the limiting clamps at the left end and the right end of the front frame.

In the specific embodiment, the assembly of the grating component and the face frame is realized by matching the positioning buckle and the groove at the back of the supporting shell and two limiting clamps at the left and right of the front face frame, the structure is simple, and the assembly and the disassembly are convenient.

According to the second object of the invention, the invention also provides an automatic dust removing method, which adopts the automatic dust removing device of any one technical scheme, and the automatic dust removing method comprises the following steps: receiving a dust sweeping signal, and opening the cover plate; the first motor drives the first rolling brush to rotate, the second motor drives the second rolling brush to rotate, the first rolling brush and the second rolling brush rotate in different rotating directions simultaneously, and the second rolling brush drives the filter screen to rotate and the third rolling brush to rotate through the conveyor belt; after the filter screen runs for a first preset stroke, the first motor controls the first rolling brush to change the rotating direction, and the second rolling brush continues to rotate; when the filter screen runs for a second preset stroke, the first motor and the second motor are stopped so as to stop the first rolling brush and the second rolling brush; wherein, the first rolling brush and the second rolling brush extrude each other to rotate.

The second object of the present invention is to provide an automatic dust removing method, which includes the automatic dust removing apparatus of the first object, thereby having all the advantages of the automatic dust removing apparatus. When dust is removed, the two motors are started simultaneously, the first rolling brush and the second rolling brush rotate in different rotation directions simultaneously, the length of the rotation time of the filter screen is controlled by software, after the filter screen runs for 1 period (the 1 period is defined as one period when the upper layer of the filter screen returns to the upper layer for the first time), the first rolling brush changes the rotation direction, the second rolling brush continues to rotate, and after the filter screen runs for 0.5 period (the 0.5 period is defined as a half period when the upper layer of the filter screen runs to the lower layer of the filter screen for the first time, namely 0.5 period), the first rolling brush and the second rolling brush stop running. The first preset stroke is 1 period of filter screen operation, and the second preset stroke is 0.5 period of filter screen operation.

In any of the above technical solutions, preferably, after receiving the dust sweeping signal and before the first motor drives the first rolling brush to rotate, the cover plate rotates around the hinge point from the upper end edge of the support housing to a position where the plate surface of the cover plate is perpendicular to the horizontal plane; and resetting the cover plate within a third preset time after the dust sweeping is finished.

In the technical scheme, when dust removal is needed, the cover plate positioned at the top of the grating can be automatically opened; within 3 seconds after the dust sweeping is finished, the cover plate is reset and automatically closed, the cover plate has the functions of protecting the motor and the gear assembly on one hand and blocking dust from splashing outside in the dust sweeping process on the other hand. The third preset duration may be within 3 seconds.

In any of the above technical solutions, preferably, the rotation angle of the cover plate from the upper end edge of the support housing to the position where the plate surface of the cover plate is perpendicular to the horizontal plane is 90 degrees.

In the technical scheme, when dust removal is needed, the cover plate positioned at the top of the grating can be automatically opened to a 90-degree position, and the effect of preventing dust from splashing outwards is achieved in the dust sweeping process.

In summary, the automatic dust removing device provided by the invention is arranged at the air inlet of the split wall-hanging type air conditioner, and consists of a grating component and a dust box, wherein the grating component is an independent module and can be conveniently taken down from and installed at the air inlet of the face frame. The second motor drives the second driving gear to rotate, the transmission gear of the second rolling brush obtains power through meshing with the second driving gear, the brush of the second rolling brush is driven to rotate, the second rolling brush drives the filter screen to move through a mode that the transmission gear is meshed with the rack, and the transmission gear at the two ends of the rotating shaft of the third rolling brush and the edge of the filter screen are also in a gear and rack meshing mode, so that the third rolling brush as a driven roller brush also starts to operate. When the second motor is started, the first motor can act simultaneously to drive the first driving gear, and the first driving gear drives the transmission gear of the first rolling brush to further drive the brush of the first rolling brush to rotate.

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

Drawings

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

FIG. 1 is a three-dimensional schematic view of an automatic dust extraction apparatus according to an embodiment of the present invention mounted on a wall-mounted air conditioner;

FIG. 2 shows a three-dimensional schematic view of an automatic dust extraction apparatus according to one embodiment of the present invention;

FIG. 3 illustrates an exploded view of a grill assembly in accordance with one embodiment of the present invention;

FIG. 4 illustrates a front view of an automatic dust extraction device according to one embodiment of the present invention;

FIG. 5 shows an enlarged schematic view of section E of the automatic dust extraction device of FIG. 4 according to one embodiment of the present invention;

FIG. 6 illustrates a three-dimensional schematic view of a support housing in a grid assembly according to one embodiment of the present invention;

FIG. 7 shows a top view of an automatic dust extraction device according to one embodiment of the present invention;

FIG. 8 illustrates a cross-sectional view A-A of the automated dust extraction apparatus of FIG. 7, according to one embodiment of the present invention;

FIG. 9 shows an enlarged schematic view of section F of the automatic dust extraction device of FIG. 8 according to one embodiment of the present invention;

FIG. 10 shows a three-dimensional schematic view of a face frame according to one embodiment of the invention;

FIG. 11 illustrates a rear view of the assembly of the grill assembly with the face frame, in accordance with one embodiment of the present invention;

FIG. 12 illustrates a B-B cross-sectional view of the assembly of the grill assembly of FIG. 11 with a face frame, in accordance with one embodiment of the present invention;

FIG. 13 illustrates a C-C cross-sectional view of the assembly of the grill assembly with the face frame of FIG. 11 in accordance with one embodiment of the present invention;

FIG. 14 shows a three-dimensional schematic view of a grid assembly according to one embodiment of the present invention;

FIG. 15 shows a three-dimensional schematic view of a grid assembly according to one embodiment of the present invention;

FIG. 16 shows an enlarged schematic view of the G-section of FIG. 12 assembled with a face frame in accordance with one embodiment of the present invention;

FIG. 17 illustrates an enlarged schematic view of section H of FIG. 13 showing the assembly of the grill assembly with the face frame, in accordance with one embodiment of the present invention;

fig. 18 shows a flow chart of an automatic dust removal method according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 18 is:

2 air inlet, 22 grooves, 24 limit clamps, 4 frames, 42 positioning grooves, 6 grid components, 61 support shells, 610 pivoting holes, 612 transmission cavities, 614 first clamping plates, 616 dust outlet, 6160 dust guide plates, 6162 baffle plates, 618 positioning buckles, 62 filter screens, 630 first motors, 632 second motors, 634 first driving gears, 636 second driving gears, 640 first rolling brushes, 642 second rolling brushes, 644 third rolling brushes, 646 brushes, 648 rotating shafts, 649 transmission gears, 65 dust scraping plates, 66 cover plates, 8 dust boxes, 82 convex edges and 83 second clamping plates.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The automatic dust removing apparatus and the automatic dust removing method according to some embodiments of the present invention are described below with reference to fig. 1 to 18.

As shown in fig. 1 to 18, the present invention provides an automatic dust removing device for an air conditioner, the air conditioner includes an air inlet 2 and a surface frame 4, the air inlet 2 is disposed on an upper end surface of the surface frame 4, the automatic dust removing device includes: the grating component 6, the grating component 6 includes the supporting shell 61, the filter screen 62, the driving device and the rolling brush component; support casing 61 has the open-ended cavity for upper and lower both ends, is provided with pin joint hole 610 on the lateral wall of support casing 61, and the round brush subassembly pin joint is in pin joint hole 610, and filter screen 62 is end to end's closed loop structure, and filter screen 62 covers the opening at support casing 61, and filter screen 62 convolutes on the round brush subassembly, and the border of filter screen 62 is provided with the conveyer belt, and the round brush subassembly passes through the operation of conveyer belt drive filter screen 62, and the drive arrangement drive round brush subassembly of air conditioner is rotatory.

The automatic dust removing device provided by the invention is arranged at the position of the air inlet 2 of the split wall-mounted air conditioner, the automatic dust removing device realizes the effect of automatically cleaning dust, the dust on the filter screen 62 is cleaned more thoroughly, the use by a user is facilitated to the greatest extent, and the grid assembly 6 in the automatic dust removing device is an independent module, can be conveniently taken down from and installed at the position of the air inlet 2 of the face frame 4, and is convenient to maintain or clean. Wherein, support casing 61 has the open-ended cavity for upper and lower both ends, and the up end of supporting casing 61 is for opening the structure, does not have promptly and shelters from, and the lower terminal surface sets up to the grid, and the lateral wall of supporting casing 61 also can set up the grid, has guaranteed the overall structure stability of supporting casing 61, and save material cost does not influence the air inlet demand of air conditioner again, supports casing 61 detachable simultaneously and installs on the lateral wall of air intake 2, has made things convenient for maintenance and washing grid assembly 6. The round brush subassembly is cylindric structure, the outside covers has the clearance brush of clearance dust, corresponding pin joint hole 610 pin joint on the diaxon end of round brush subassembly and the support housing 61 lateral wall, filter screen 62 is convoluteed on the circumference of round brush subassembly simultaneously, when clearance dust, drive arrangement drive round brush subassembly is at pin joint hole 610 internal rotation, be provided with on the round brush subassembly simultaneously with conveyer belt complex drive mechanism, make the round brush subassembly drive conveyer belt operation, thereby it operates to drive filter screen 62 and wrapping up the round brush subassembly, because it has the ventilation aperture to gather on the filter screen 62, can be covered with the dust above the aperture, the plastic filament of the clearance brush on the round brush subassembly can pierce through the aperture, and then clear up the dust from the filter screen, it is more thorough to clear up the dust. Because filter screen 62 is end to end's closed loop structure, along with the continuous drive filter screen 62 circulation operation of round brush subassembly, and then whole filter screen 62's dust can be cleared up by whole, realizes the effect of automatic clearance dust, and the furthest convenience of customers ' use.

as shown in fig. 2, 4, 8, 14 and 15, in one embodiment of the present invention, it is preferable that the roll brush assembly includes a first roll brush 640, a second roll brush 642 and a third roll brush 644; one end of the filter screen 62 is wound around the second rolling brush 642, the other end of the filter screen is wound around the third rolling brush 644, the second rolling brush 642 drives the third rolling brush 644 to rotate through the conveyor belt, and the first rolling brush 640 abuts against the second rolling brush 642.

In this embodiment, the first rolling brush 640, the second rolling brush 642 and the third rolling brush 644 may have the same or similar structure, the first rolling brush 640, the second rolling brush 642 and the third rolling brush 644 are arranged on the support housing 61 in parallel, wherein the first rolling brush 640 abuts against the second rolling brush 642 and is arranged at one end of the support housing 61, the third rolling brush 644 is arranged at the other end of the support housing 61, one end of the filter net 62 is wound around the second rolling brush 642, that is, one end of the filter net 62 is sandwiched between the first rolling brush 640 and the second rolling brush 642, and the other end of the filter net 62 is wound around the third rolling brush 644, so that the filter net 62 is divided into an upper layer and a lower layer, and the filter net 62 seals the opening of the support housing 61. The two driving devices are arranged, one driving device drives the first rolling brush 640, the other driving device drives the second rolling brush 642, the second rolling brush 642 and the third rolling brush 644 form a belt transmission mechanism through a conveyor belt on the filter screen 62, so that when the second rolling brush 642 rotates, the driven third rolling brush 644 can also operate together, the third rolling brush 644 can operate to loosen dust on the filter screen 62, when the filter screen 62 with loosened dust operates to a contact surface where the first rolling brush 640 abuts against the second rolling brush 642, the dust on the filter screen 62 can be cleaned, and meanwhile, as the first rolling brush 640 and the second rolling brush 642 are pressed to rotate mutually, the cleaning force on the filter screen 62 can be increased, and the dust on the filter screen 62 can be cleaned more thoroughly. When dust is removed, the two driving devices are started simultaneously, the first rolling brush 640 and the second rolling brush 642 rotate simultaneously in different rotation directions, the length of the rotation time of the filter screen 62 is controlled by software, after the filter screen 62 runs for 1 period (the 1 period is defined as one period when the upper layer filter screen 62 returns to the upper layer position for the first time), the first rolling brush 640 changes the rotation direction, the second rolling brush 642 keeps rotating continuously, and after the filter screen 62 runs for 0.5 period (the 0.5 period is defined as one half period when the upper layer filter screen 62 runs to the lower layer filter screen 62 for the first time, namely 0.5 period), the first rolling brush 640 and the second rolling brush 642 stop running.

Specifically, during the whole dust removing process, the filter screen 62 needs to rotate for 1.5 cycles, and when the 1 st cycle of the whole 1.5 cycles occurs, the upper filter screen 62 will return to the original position again (at this time, the lower filter screen 62 will be at the original position), and during the rotation process, the first rolling brush 640 will rotate in the opposite direction to the second rolling brush 642 (when viewed from the front of the air conditioner, the second rolling brush 642 will rotate in the counterclockwise direction). Therefore, the first rolling brush 640 will help to discharge the larger dust on the filter net 62, and in addition, part of the dust with larger mass will automatically fall into the corresponding dust collecting device due to gravity; in the latter 0.5 cycles, the first rolling brush 640 turns the same as the second rolling brush 642, which is beneficial for the cleaning brush to sweep away the fine dust on the filter net 62. Thus, when dust sweeping is finished, the part of the filter screen 62 originally positioned on the upper layer is just positioned on the lower layer, and the filter screen 62 on the lower layer is also just positioned on the upper layer, so that the dust removing effect is facilitated, the deformation of the filter screen 62 is delayed, and the service life of the filter screen is prolonged.

As shown in fig. 3, 14 and 15, in one embodiment of the present invention, it is preferable that the first, second and third roll brushes 640, 642 and 644 each include: a brush 646 for removing dust on the filter net 62; a rotating shaft 648, the brush 646 is wound and fixed on the rotating shaft 648; the transmission gear 649 is in key connection with the end part of the rotating shaft 648; wherein, the rotating shaft 648 is pivotally connected to the pivot hole 610.

In this embodiment, two shaft ends of the rotating shaft 648 are pivoted in the pivot hole 610, the rotating shaft 648 is circumferentially wrapped and connected with the brush 646, the rotating shaft 648 can drive the brush 646 to rotate along with the rotating shaft, one shaft end of the first rolling brush 640 is connected with the transmission gear 649, and a driving device drives the transmission gear 649 of the first rolling brush 640 to rotate the first rolling brush 640. Because two conveyor belts are arranged at two edges of the filter screen 62 in order to ensure the running consistency and stability of the filter screen 62, two shaft ends of the second rolling brush 642 are respectively connected with a transmission gear 649, two shaft ends of the third rolling brush 644 are also respectively connected with a transmission gear 649, the transmission gears 649 at two ends of the second rolling brush 642 and the transmission gears 649 at two ends of the third rolling brush 644 are respectively connected through the conveyor belts at two edges of the filter screen 62 to form two synchronous belt transmission structures, so that when the second rolling brush 642 drives the third rolling brush 644 to rotate, the running consistency and stability of the filter screen 62 can be ensured, and the situation that the filter screen 62 deviates from the position due to inconsistent running at two edges is avoided. Meanwhile, one shaft end of the second rolling brush 642 is additionally connected with a transmission gear 649, that is, one shaft end of the second rolling brush 642 is connected with two transmission gears 649, one transmission gear 649 is connected with the conveyor belt, and the other transmission gear 649 is connected with another driving device, so that the second rolling brush 642 rotates and drives the third rolling brush 644 to rotate, the filter screen 62 operates, and automatic dust removal is realized.

In one embodiment of the present invention, the conveyor belt is preferably a rack disposed on the edge of the filter screen 62, and the transmission gears 649 on the second rolling brush 642 and the third rolling brush 644 are engaged with the rack.

In this embodiment, a toothed belt may be disposed on the edge of the filter screen 62, the transmission gear 649 of the second rolling brush 642 and the transmission gear 649 of the third rolling brush 644 are connected by the toothed belt to form a synchronous belt transmission structure, and the tooth form of the toothed belt is matched with the tooth form of the transmission gear 649, so that the second rolling brush 642 drives the filter screen 62 to run without slipping, thereby ensuring the running accuracy of the filter screen 62, ensuring the accuracy of the automatic dust removing device in reading the running cycle data of the filter screen 62, and thus enabling dust at all positions on the filter screen 62 to be removed comprehensively. The toothed belt can also be arranged on the edges of the two ends of the filter screen 62, so that when the second rolling brush 642 drives the third rolling brush 644 to rotate, the running consistency and stability of the filter screen 62 can be ensured, and the phenomenon that the filter screen 62 deviates due to inconsistent running of the two sides is avoided.

As shown in fig. 14 and 15, in one embodiment of the present invention, preferably, the driving means includes: a first motor 630 and a second motor 632, the first motor 630 driving the first roll brush 640 to rotate, and the second motor 632 driving the second roll brush 642 to rotate.

In this embodiment, the first motor 630 and the second motor 632 may be the same type of motor or different types of motors, and the motors are selected as the driving devices, so that the structure is simple and the power supply is convenient. The first motor 630 and the second motor 632 respectively drive the first rolling brush 640 and the second rolling brush 642 to rotate, so that respective rolling brushes can be conveniently and independently controlled, particularly, in the dust removal process, the first rolling brush 640 needs to change the direction to rotate, and the independent control of the first motor 630 can be realized without interfering with the rotation of the second rolling brush 642, so that the dust removal effect is more thorough.

As shown in fig. 3, 14 and 15, in one embodiment of the present invention, it is preferable that a first driving gear 634 is connected to an output shaft of the first motor 630, a second driving gear 636 is connected to an output shaft of the second motor 632, the first driving gear 634 is externally engaged with a transmission gear 649 of the first drum brush 640, and the second driving gear 636 is externally engaged with a transmission gear 649 of the second drum brush 642.

In this embodiment, in order to ensure the compactness of the structure of the grid assembly 6, the power output by the first motor 630 is transmitted to the transmission gear 649 of the first rolling brush 640 through the first driving gear 634 and the power output by the second motor 632 is transmitted to the transmission gear 649 of the second rolling brush 642 through the second driving gear 636 by providing corresponding motion transmission mechanisms (i.e. the first driving gear 634 and the second driving gear 636), and the arrangement of the motors is flexible and changeable, and can be arranged in the vacant position of the grid assembly 6, thereby avoiding the influence of the motor on the volume of the grid assembly 6 caused by the fact that the motor is placed at the shaft end of the first rolling brush 640 or the second rolling brush 642.

As shown in fig. 2, in one embodiment of the present invention, it is preferable that a transmission cavity 612 is provided on a side wall of the support case 61, a transmission gear 649 of the second roll brush 642 is engaged with a driving gear of the second motor 632 in the transmission cavity 612, and the first motor 630 is also disposed in the transmission cavity 612.

In this embodiment, the transmission cavity 612 is provided to arrange the motor and the gear assembly in the transmission cavity 612, so that the motor and the gear assembly are protected, and dust is prevented from splashing on a gear meshing surface or in the motor to influence a transmission effect or the service life of the motor, and further influence an automatic dust removal effect.

As shown in fig. 1 and 3, in one embodiment of the present invention, preferably, the automatic dust removing device includes: and a first catch plate 614, wherein the first catch plate 614 covers the opening of the transmission cavity 612.

In this embodiment, the specific shape of the first engaging plate 614 may be adapted to the shape of the opening of the transmission cavity 612, and the first engaging plate 614 is detachably mounted at the opening of the transmission cavity 612, so as to prevent dust from splashing into the transmission cavity 612 and damaging the motor and gear assembly, facilitate maintenance and repair, and improve the automatic dust removal effect.

As shown in fig. 6, in one embodiment of the present invention, preferably, the grill assembly 6 includes: and a dust scraping plate 65, the dust scraping plate 65 being arranged on the circumference of the second rolling brush 642, and the dust scraping plate 65 abutting against the filter screen 62, so that the filter screen 62 is pressed between the second rolling brush 642 and the dust scraping plate 65.

In this embodiment, since the dust scraping plate 65 is disposed on the circumference of the second rolling brush 642 and the filter screen 62 is pressed between the second rolling brush 642 and the dust scraping plate 65, dust on the filter screen 62, particularly dust which is not easily detached, can be effectively and thoroughly removed when the second rolling brush 642 and the filter screen 62 are operated, thereby making the filter screen 62 cleaner. For the selection of the arrangement position of the dust scraping plate 65, the dust scraping plate 65 can be arranged at the position where the filter screen 62 is about to be separated from the second rolling brush 642, most of dust can be removed due to the squeezing and removing action of the first rolling brush 640 and the second rolling brush 642, only a small part of stubborn dust is adhered on the filter screen 62, but the filter screen is in a loose state through the treatment of the first rolling brush 640 and the second rolling brush 642, and then the stubborn dust can be removed through the scraping action of the dust scraping plate 65. The dust scraper 65 on the support housing 61 will always play an important role in removing dust from the filter net 62 during dust removal.

In one embodiment of the present invention, it is preferable that the scraper 65 extends in an axial direction of the second roll brush 642.

In this embodiment, since the filter screen 62 is wrapped around the second rolling brush 642, by arranging the dust scraping plate 65 with the same length as the second rolling brush 642 and making the extending direction of the dust scraping plate 65 coincide with the axial direction of the second rolling brush 642, when the second rolling brush 642 and the filter screen 62 are operated, the dust scraping plate 65 can be ensured to scrape dust on all positions of the filter screen 62, thereby making dust removal cleaner and more comprehensive.

As shown in fig. 2 to 4, 8 and 9, 14 and 15, in one embodiment of the present invention, preferably, the grill assembly 6 includes: and a cover plate 66, the cover plate 66 being disposed over the first rolling brush 640, and one end of the cover plate 66 being hinged to one edge of the upper end of the support case 61, and the other end of the cover plate 66 being rested on the other edge of the upper end of the support case 61, the other end of the cover plate 66 being rotatable about the hinge point.

In this embodiment, the cover plate 66 on top of the grille will automatically open to a 90 degree position when dust removal is required; within 3 seconds after dust sweeping is finished, the cover plate 66 is reset and automatically closed, and the cover plate 66 has the functions of protecting the motor and the gear assembly on one hand and blocking dust from splashing outside in the dust sweeping process on the other hand.

As shown in fig. 2, 4, 5, 8, 9, 14 and 15, in one embodiment of the present invention, preferably, the automatic dust removing apparatus includes a dust box 8, the dust box 8 is made of a transparent material, a lower dust port 616 is provided on a lower end surface of the support housing 61, and the lower dust port 616 is disposed above a box port of the dust box 8.

In this embodiment, collecting dust by providing the dust box 8, in which dust processed from the filter net 62 falls down into the dust box 8 through the lower dust port 616, can be performed without having to process dust every time, saving time cost. A transparent observation window can be arranged in front of the dust box 8, so that a user can conveniently observe whether the dust box is full of dust or not.

As shown in fig. 9, in one embodiment of the present invention, preferably, the lower ash port 616 includes: one end of the dust guide plate 6160 is hinged to the support housing 61, the other end of the dust guide plate 6160 abuts against the edge of the box opening of the dust box 8, one end of the dust guide plate 6160 is located above the other end of the dust guide plate 6160, and the plate surface of the dust guide plate 6160 is arranged below the contact surface, against which the first rolling brush 640 abuts against the second rolling brush 642.

In this embodiment, by providing the inclined dust guide plate 6160, the dust processed from the filter screen 62 falls onto the plate surface of the dust guide plate 6160, and slides down to the end of the dust guide plate 6160 abutting against the edge of the box opening of the dust box 8 along the inclined plate surface under the action of gravity, and then falls into the dust box 8, thereby ensuring that the dust can fall into the dust box 8 quickly and completely. Meanwhile, the dust guide plate 6160 is connected to the supporting shell 61 in a hinged mode, the rotation angle of the dust guide plate 6160 can be adjusted, the size of the lower dust opening 616 can be adjusted, more dust can conveniently fall off when the size of the lower dust opening 616 is adjusted, and the size of the lower dust opening 616 can prevent the dust in the dust box 8 from flying to pollute the transmission dust removal mechanism.

As shown in fig. 9, in one embodiment of the present invention, preferably, the lower ash port 616 includes: a baffle 6162 extending downwards is arranged on the side wall of the supporting shell 61 close to the first rolling brush 640, and the end part of the baffle 6162 is close to the direction of the box opening of the dust box 8.

In this embodiment, by providing the inclined baffle 6162 on the side wall of the supporting housing 61, the dust splashed toward the side wall of the supporting housing 61 falls on the baffle 6162 and slides down into the dust box 8 under the action of gravity, so that the dust can quickly and completely fall into the dust box 8, and the structure is simple.

In the specific embodiment, the combination of the dust guiding plate 6160 and the baffle 6162 forms a V-shaped funnel structure, and the swept dust will automatically fall into the dust box 8 through the V-shaped dust outlet 616, so as to ensure that the dust can quickly and completely fall into the dust box 8 to the maximum extent.

As shown in fig. 9, in one embodiment of the present invention, it is preferable that the axial center of the first rolling brush 640 has a distance from the side wall of the support case 61 adjacent to the first rolling brush 640, and the distance is greater than the radius of the first rolling brush 640.

In this embodiment, by providing a gap of a certain width between the first rolling brush 640 and the side wall of the support housing 61, the dust brushed down from the first rolling brush 640 may pass through the gap and fall down to the dust drop port 616, so that the dust can quickly and completely fall down into the dust box 8.

As shown in fig. 4, 5 and 10, in one embodiment of the present invention, it is preferable that the face frame 4 is provided with a positioning groove 42, and the dust box 8 is provided with a ledge 82, and the ledge 82 can slide in the positioning groove 42.

In this embodiment, the protruding edge 82 is disposed on the outer wall of the sidewall of the dust box 8, the positioning groove 42 is disposed on the face frame 4, and the protruding edge 82 can slide in the positioning groove 42, so that the dust box 8 can be manually drawn out and put back, the dust can be poured conveniently, and the dust box can be detached.

In one embodiment of the present invention, as shown in fig. 5, two opposite edges of the opening of the dust box 8 are preferably at different distances from the bottom of the dust box 8, and two convex edges 82 are respectively provided on the two opposite edges of the opening of the dust box 8.

In this embodiment, the design that the two edges of the dust box 8 are not equal in height has a fool-proof function, so that the error in the installation position of the dust box 8 is avoided.

In one embodiment of the present invention, a side wall of the dust scraping plate 65 facing away from the filter screen 62 is preferably connected to the hinged end of the dust guide plate 6160.

In this embodiment, by arranging the dust scraping plate 65 and the dust guide plate 6160 together, the dust scraped from the filter screen 62 by the dust scraping plate 65 directly falls onto the dust guide plate 6160, so that the dust can quickly and completely fall into the dust box 8.

As shown in fig. 1, in an embodiment of the present invention, it is preferable that a dust box 8 receiving chamber is provided on the face frame 4, and the automatic dust removing apparatus includes: the second clamping plate 83 is buckled and covered at the opening of the accommodating cavity of the dust box 8; wherein the dust box 8 is placed in the accommodating chamber.

In this embodiment, the side wall of the containing cavity is provided with a positioning groove 42, the raised edge 82 of the dust box 8 can slide into the positioning groove 42, so that the dust box 8 is installed in the containing cavity, and the positioning of the dust box 8 is composed of a positioning structure located at the back of the containing cavity of the face frame 4 and a second clamping plate 83 located at the front, so that the dust box 8 is fixed and is convenient for receiving dust.

As shown in fig. 10 to 13, 16 and 17, in an embodiment of the present invention, preferably, a plurality of grooves 22 are disposed on an inner wall of the air inlet 2, a plurality of positioning buckles 618 are disposed on an outer side wall of the support housing 61, and the plurality of positioning buckles 618 are respectively fitted into the plurality of grooves 22.

In this embodiment, the assembly of the grill assembly 6 to the face frame 4 may be accomplished by means of a plurality of detents 618 on the rear of the support housing 61 that fit into a plurality of grooves 22 on the face frame 4. Specifically, the number of the positioning buckles 618 at the back of the supporting shell 61 is four, the two ends of the supporting shell 61 are the main positioning buckles 618, and the middle two are the auxiliary positioning buckles 618, so that the positioning firmness is ensured, and the disassembly is convenient.

As shown in fig. 10, in an embodiment of the present invention, it is preferable that the other inner wall of the air inlet 2 is provided with a position-limiting clip 24, and the outer side wall of the support housing 61 is clipped in the position-limiting clip 24.

In this embodiment, the grill assembly 6 can be fixed to the intake vent 2 by providing the stopper clips 24 at both left and right ends of the front frame 4.

In the specific embodiment, the assembly of the grille component 6 and the face frame 4 is realized by the cooperation of the positioning buckle 618 on the back of the supporting shell 61 and the groove 22, and the two limiting clamps 24 on the left and right of the front face frame 4, and the structure is simple, and the assembly and disassembly are convenient.

According to the second object of the invention, the invention also provides an automatic dust removing method, which adopts the automatic dust removing device of any one technical scheme, and the automatic dust removing method comprises the following steps: receiving a dust sweeping signal, and opening the cover plate; the first motor 630 drives the first rolling brush 640 to rotate, the second motor 632 drives the second rolling brush 642 to rotate, the first rolling brush 640 and the second rolling brush 642 rotate simultaneously in different rotating directions, and the second rolling brush 642 drives the filter screen 62 and the third rolling brush 644 to rotate through the conveyor belt; after the filter screen 62 runs for a first preset stroke, the first motor 630 controls the first rolling brush 640 to change the rotation direction, and the second rolling brush 642 keeps rotating continuously; when the filter screen 62 runs for a second preset stroke, the first motor 630 and the second motor 632 are stopped, so that the first rolling brush 640 and the second rolling brush 642 stop running; wherein, the first rolling brush 640 and the second rolling brush 642 are pressed against each other to rotate.

The second object of the present invention is to provide an automatic dust removing method, which includes the automatic dust removing apparatus of the first object, thereby having all the advantages of the automatic dust removing apparatus. When dust is removed, the two motors are started simultaneously, the first rolling brush 640 and the second rolling brush 642 rotate simultaneously in different rotation directions, the rotation time of the filter screen 62 is controlled by software, after the filter screen 62 runs for 1 period (the 1 period is defined as one period when the upper layer filter screen 62 returns to the upper layer position for the first time), the first rolling brush 640 changes the rotation direction, the second rolling brush 642 keeps rotating continuously, and after the filter screen 62 runs for 0.5 period (the 0.5 period is defined as one half period when the upper layer filter screen 62 runs to the lower layer filter screen 62 for the first time, namely 0.5 period), the first rolling brush 640 and the second rolling brush 642 stop running. The first predetermined stroke is 1 period of the filter screen 62, and the second predetermined stroke is 0.5 period of the filter screen 62.

In one embodiment of the present invention, preferably, after receiving the dust-sweeping signal and before the first motor 630 drives the first rolling brush 640 to rotate, the cover plate 66 rotates around the hinge point from the upper end edge of the support case 61 to a position where the plate surface of the cover plate 66 is perpendicular to the horizontal plane; within a third predetermined time period after the dust is swept, the cover plate 66 is reset.

In this embodiment, the cover plate 66 on top of the grille will automatically open when dust removal is required; within 3 seconds after dust sweeping is finished, the cover plate 66 is reset and automatically closed, and the cover plate 66 has the functions of protecting the motor and the gear assembly on one hand and blocking dust from splashing outside in the dust sweeping process on the other hand. The third preset duration may be within 3 seconds.

In one embodiment of the present invention, it is preferable that the rotation angle of the cover plate 66 from the upper end edge of the support case 61 to a position where the plate surface of the cover plate 66 is perpendicular to the horizontal plane is 90 degrees.

In this embodiment, when dust removal is required, the cover plate 66 on top of the grille will automatically open to a 90 degree position, which will act as a barrier to dust splashing during dust removal.

As shown in fig. 18, the automatic dust removing method according to the embodiment of the present invention includes:

step 401, receiving a dust sweeping signal, and opening a cover plate;

step 403, driving the first rolling brush to rotate by the first motor, driving the second rolling brush to rotate by the second motor, simultaneously rotating the first rolling brush and the second rolling brush in different rotation directions, and driving the filter screen and the third rolling brush to rotate by the second rolling brush through the conveyor belt;

step 405, after the filter screen runs for a first preset stroke, the first motor controls the first rolling brush to change the rotation direction, and the second rolling brush continues to rotate;

step 407, after the filter screen runs for a second preset stroke, stopping the first motor and the second motor to stop the first rolling brush and the second rolling brush from running;

and 409, resetting the cover plate within a third preset time after dust sweeping is finished.

The specific implementation of the present invention is not limited by the above-mentioned manner, and in short, any insubstantial modifications made by the method concept and technical scheme of the present invention are within the scope of the present invention.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 automatic dust collector for an air conditioner, the air conditioner comprises an air inlet and a face frame, the air inlet is arranged on the upper end face of the face frame, and the automatic dust collector is characterized by comprising:

the grating component comprises a support shell, a filter screen, a driving device and a rolling brush component;

the supporting shell is a cavity with openings at the upper end and the lower end, the side wall of the supporting shell is provided with a pivoting hole, the rolling brush component is pivoted in the pivoting hole,

the filter screen is of a closed loop structure connected end to end, the filter screen covers the opening of the supporting shell, the filter screen is wound on the rolling brush component, a conveyor belt is arranged at the edge of the filter screen, the rolling brush component drives the filter screen to run through the conveyor belt,

the driving device of the air conditioner drives the rolling brush assembly to rotate;

the rolling brush assembly comprises a first rolling brush, a second rolling brush and a third rolling brush;

the driving device comprises a first motor and a second motor;

the first motor drives the first rolling brush to rotate, the second motor drives the second rolling brush to rotate, the first rolling brush and the second rolling brush rotate in different rotating directions simultaneously, and the second rolling brush drives the filter screen to operate and the third rolling brush to rotate through the conveying belt;

after the filter screen runs for a first preset stroke, the first motor controls the first rolling brush to change the rotating direction, and the second rolling brush continues to rotate;

when the filter screen runs for a second preset stroke, the first motor and the second motor are stopped, so that the first rolling brush and the second rolling brush stop running;

wherein the first rolling brush and the second rolling brush are pressed against each other to rotate.

2. The automatic dust removing apparatus according to claim 1,

one end of the filter screen is wound on the second rolling brush, the other end of the filter screen is wound on the third rolling brush, the second rolling brush drives the third rolling brush to rotate through the conveyor belt, and the first rolling brush abuts against the second rolling brush.

3. The automatic dust removing device according to claim 2, wherein the first rolling brush, the second rolling brush, and the third rolling brush each comprise:

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

the brush is wound and fixed on the rotating shaft;

the transmission gear is connected with the end part of the rotating shaft through a key;

wherein, the rotating shaft is pivoted with the pivoting hole.

4. The automatic dust removing device according to claim 3, wherein the conveyor belt is a rack arranged on the edge of the filter screen, and the transmission gears on the second rolling brush and the third rolling brush are meshed and connected with the rack.

5. The automatic dust removing device according to claim 3, wherein a first driving gear is connected to an output shaft of the first motor, a second driving gear is connected to an output shaft of the second motor, the first driving gear is externally engaged with the transmission gear of the first rolling brush, and the second driving gear is externally engaged with the transmission gear of the second rolling brush.

6. The automatic dust removing device according to claim 5, wherein a transmission cavity is provided on a side wall of the support housing, the transmission gear of the second rolling brush and the driving gear of the second motor are engaged in the transmission cavity, and the first motor is also disposed in the transmission cavity.

7. The automatic dust removal device according to claim 6, wherein the automatic dust removal device comprises:

the first clamping plate covers the opening of the transmission cavity in a buckled mode.

8. The automatic dust extraction apparatus of claim 2, wherein the grille assembly comprises:

and the ash scraping plate is arranged on the circumference of the second rolling brush and is abutted against the filter screen, so that the filter screen is extruded between the second rolling brush and the ash scraping plate.

9. The automatic dust removing device according to claim 8, wherein the dust scraping plate extends in an axial direction of the second roll brush.

10. The automatic dust extraction apparatus of claim 2, wherein the grille assembly comprises:

the cover plate is arranged on the first rolling brush, one end of the cover plate is hinged to one edge of the upper end of the supporting shell, the other end of the cover plate is abutted to the other edge of the upper end of the supporting shell, and the other end of the cover plate can rotate around a hinged point.

11. The automatic dust removing device according to claim 8, wherein the automatic dust removing device comprises a dust box made of a transparent material, and a lower dust opening is provided on a lower end surface of the support housing and arranged above a box opening of the dust box.

12. The automatic dust extraction device of claim 11, wherein the lower ash port comprises:

the dust deflector, the one end of dust deflector articulates on the support housing, and the other end is taken and is leaned on the box mouth border of dust box, just the one end of dust deflector is located the top of the other end of dust deflector, the face of dust deflector is arranged first round brush with under the contact surface that the second round brush counterbalance leaned on.

13. The automatic dust extraction device of claim 12, wherein the lower ash port comprises:

the side wall of the supporting shell, which is close to the first rolling brush, is provided with a baffle extending downwards, and the end part of the baffle is close to the box opening of the dust box.

14. The automatic dust removing device according to claim 13, wherein a distance is provided between the axial center of the first rolling brush and the side wall of the support housing near the first rolling brush, and the distance is greater than the radius of the first rolling brush.

15. The automatic dust removing device according to claim 14, wherein the face frame is provided with a positioning groove, and the dust box is provided with a convex edge, and the convex edge can slide in the positioning groove.

16. The automatic dust removing device according to claim 15, wherein the two opposite edges of the box opening of the dust box are at different distances from the box bottom of the dust box, and the two convex edges are respectively arranged on the two opposite edges of the box opening of the dust box.

17. The automatic dust removing device according to claim 16, wherein a side wall of the dust scraping plate facing away from the filter screen is connected to a hinged end of the dust guide plate.

18. The automatic dust removing device according to any one of claims 1 to 14, wherein a dust box accommodating chamber is provided on the face frame, the automatic dust removing device comprising:

the second clamping plate is buckled and covered at the opening of the dust box accommodating cavity;

wherein, the dust box is placed in the accommodating cavity.

19. The automatic dust removing device according to any one of claims 1 to 14, wherein a plurality of grooves are formed on an inner wall of the air inlet, a plurality of positioning fasteners are arranged on an outer side wall of the supporting shell, and the plurality of positioning fasteners are fitted with the plurality of grooves one by one.

20. The automatic dust removing device of claim 19, wherein a limiting clip is disposed on another inner wall of the air inlet, and an outer side wall of the supporting housing is clipped in the limiting clip.

21. An automatic dust removing method using the automatic dust removing apparatus according to any one of claims 1 to 20, the automatic dust removing method comprising:

receiving a dust sweeping signal, and opening a cover plate;

22. The automatic dust removing method according to claim 21,

after the dust sweeping signal is received and before the first motor drives the first rolling brush to rotate, the cover plate rotates around a hinge point from the upper end edge of the supporting shell to a position where the plate surface of the cover plate is vertical to the horizontal plane;

and resetting the cover plate within a third preset time after dust sweeping is finished.

23. The automatic dust removing method according to claim 22, wherein the rotation angle of the cover plate from the upper end edge of the support case to a position where the plate surface of the cover plate is perpendicular to the horizontal plane is 90 degrees.