CN112944486A - Cleaning mechanism for air conditioner, air conditioner and control method - Google Patents
Cleaning mechanism for air conditioner, air conditioner and control method Download PDFInfo
- Publication number
- CN112944486A CN112944486A CN202110249018.5A CN202110249018A CN112944486A CN 112944486 A CN112944486 A CN 112944486A CN 202110249018 A CN202110249018 A CN 202110249018A CN 112944486 A CN112944486 A CN 112944486A
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- Prior art keywords
- filter screen
- brush
- air conditioner
- driving motor
- rack
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
- F24F2221/225—Cleaning ducts or apparatus using a liquid
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The invention provides a cleaning mechanism for an air conditioner, the air conditioner and a control method, wherein the cleaning mechanism is provided with a filter screen assembly and a brush assembly; the filter screen assembly is provided with a filter screen, a first driving motor and a gear-rack mechanism and is arranged between the lower part of the air inlet of the air conditioner and the front part of the evaporator; the brush component is provided with a brush and is arranged between the air conditioner evaporator and the filter screen component; when the cleaning mechanism is applied to an air conditioner, the controller controls the first driving motor to act, so that the filter screen can reciprocate between a first cleaning position and a second cleaning position, and the brush cleans the filter screen; the brush can be washed by the condensed water generated by the air-conditioning evaporator and dried by the generated heat; the brush is adopted to clean dust on the surface of the filter screen, so that the influence of the water washing filter screen on the electric appliance parts of the air conditioner is avoided; the cleaned brush is dried, so that bacteria on the surface of the brush are avoided; simple structure, degree of automation are high, and the filter screen cleans effectually.
Description
Technical Field
The invention belongs to the technical field of air conditioning equipment, and particularly relates to a cleaning mechanism for an air conditioner, the air conditioner and a control method.
Background
A filter screen of an air conditioner generally plays a role of preventing impurities such as dust and the like from entering an indoor unit to filter indoor air; however, when the air conditioner is used for a period of time, dust is accumulated on the filter screen, which not only reduces the intake of the indoor unit, but also affects the air quality of the blown air. To solve such a problem, dry brushing or water washing self-cleaning of a filter screen of an air conditioner is conceivable. The invention patent CN107525127A proposes a wall-mounted air conditioner and a cleaning control method thereof, which needs to collect condensed water on an evaporator and enter a cleaning tank to clean a filter screen, and has a complex structure; in addition, the rolling brush is always in a cleaning groove for storing condensed water, so that bacteria are easy to breed to cause secondary pollution.
Disclosure of Invention
In view of this, the invention provides a cleaning mechanism for an air conditioner, an air conditioner and a control method, so as to solve the problems of complex cleaning structure, poor cleaning effect and the like of a filter screen in the prior art.
The invention provides a cleaning mechanism for an air conditioner, wherein the air conditioner is provided with a shell and an evaporator, and the top of the shell is provided with an air inlet; the sweeping mechanism comprises:
the filter screen assembly is arranged between the lower part of the air inlet and the front part of the evaporator, and is provided with a filter screen and a first driving device, and the first driving device drives the filter screen to do one-way circulating motion or two-way reciprocating motion between the lower part of the air inlet and the front part of the evaporator;
the brush assembly is arranged between the evaporator and the filter screen assembly and is provided with a brush and a second driving device; when the first driving device drives the filter screen to move to the front of the brush, the second driving device drives the brush to move, so that the brush cleans the filter screen.
Further optionally, the first drive device has a first drive motor and a rack-and-pinion mechanism; the gear-rack mechanism is provided with a driving gear, a driven gear and a rack; the first driving motor is in driving connection with the driving gear; the driving gear or the driven gear is arranged below the air inlet, and the driven gear or the driving gear is arranged in front of the evaporator; the rack is arranged between the driving gear and the driven gear in a surrounding manner, one end of the rack is meshed with the driving gear, and the other end of the rack is meshed with the driven gear; the driving gear drives the rack to do unidirectional circulation motion or bidirectional reciprocating motion between the driving gear and the driven gear.
Further optionally, the filter screen is fixed on the rack; under the action of the first driving motor, the driving gear drives the rack to move, so that the filter screen can move to the front of the brush from the lower part of the air inlet and is in contact with the brush, and the brush cleans the filter screen.
Further optionally, the filter screen assembly further comprises an arc-shaped frame, is arranged on the housing, and is located between the driving gear and the driven gear; the cross section of the arc-shaped frame corresponds to that of the shell; the arc-shaped frame has a limiting effect on the rack, so that the rack can move according to a fixed track.
Further optionally, a guide rail or a guide groove is arranged on the arc-shaped frame, and correspondingly, a guide groove or a guide rail is arranged on the rack; the guide rail is matched with the guide groove, so that the rack can move along the arc-shaped frame.
Further optionally, under the effect of first driving motor, rack and driving gear, driven gear meshing, guide rail and guide slot cooperation make the rack along arc frame motion, and then the filter screen can by the below of air intake move to the place ahead of brush or by the place ahead of brush moves to the below of air intake realizes the brush cleans the filter screen with the filter screen filters the air of air intake department.
Further optionally, the second driving device has a second driving motor, and an output shaft of the second driving motor is in driving connection with the brush; under the action of the second driving motor, the brush can be in contact with the filter screen and clean the filter screen.
The invention also provides an air conditioner, which comprises a shell, an evaporator, a controller, a detection module and the cleaning mechanism for the air conditioner, wherein the cleaning mechanism is as defined in any one of the preceding claims; the top of the shell is provided with an air inlet; the filter screen assembly is arranged between the lower part of the air inlet and the front part of the evaporator; the brush component is arranged between the evaporator and the filter screen component; the detection module is provided with a position sensor and is used for detecting the position of the filter screen;
the controller is electrically connected with the first driving motor, the second driving motor and the detection module respectively, receives the data transmitted by the detection module, and controls the first driving motor and the second driving motor to act, so that the brush cleans the filter screen.
Further optionally, the filter screen has a first cleaning position and a second cleaning position; when the filter screen is at the first cleaning position, the front boundary of the filter screen is positioned in front of the brush; when the filter screen is in the second cleaning position, the rear boundary of the filter screen is positioned in front of the brush.
Further optionally, the controller controls the first driving motor to rotate, and the driving gear drives the rack to move forwards along the arc-shaped frame; when the filter screen moves to a first cleaning position, the position sensor transmits data to the controller; the controller controls the second driving motor to drive the brush to rotate, so that the brush is in contact with and cleans the filter screen;
when the filter screen moves to a second cleaning position, the position sensor transmits data to the controller; the controller controls the first driving motor to rotate reversely, the driving gear drives the rack to move back along the arc-shaped frame, and the brush cleans the filter screen;
when the filter screen moves to the first cleaning position again, the position sensor transmits data to the controller; the controller controls the first driving motor to rotate, the driving gear drives the rack to move forwards along the arc-shaped frame, and the brush cleans the filter screen.
Further optionally, after cleaning the filter screen, the controller controls the first driving motor to rotate, and the driving gear drives the rack to move forward along the arc-shaped frame; when the filter screen moves to the position below the air inlet, the controller controls the first driving motor to stop rotating, and at the moment, the filter screen can filter air entering the air conditioner from the air inlet.
Further optionally, after cleaning the filter screen is finished, the controller controls the air conditioner to start a refrigeration mode; the controller controls the second driving motor to rotate, so that the brush is repeatedly contacted with the evaporator, and the brush is cleaned by using condensed water generated by the evaporator.
Further optionally, after the brush is cleaned, the controller controls the air conditioner to start a heating mode; the controller controls the second driving motor to rotate, so that the brush is repeatedly contacted with the evaporator, water on the brush is evaporated, and bacteria breeding is avoided.
Further optionally, a dust collecting box is arranged on the housing, and is located below the brush and used for collecting dust dropping from the brush when the brush cleans the filter screen.
The invention also provides a control method of the air conditioner, wherein the method for cleaning the filter screen by the air conditioner comprises the following steps:
s1, the controller controls the first driving motor to rotate, so that the driving gear drives the rack to move forwards along the arc-shaped frame, and the filter screen moves from the lower part of the air inlet to a first cleaning position;
s2, when the filter screen moves to a first cleaning position, the controller receives data transmitted by the position sensor and controls the second driving motor to drive the brush to rotate, so that the brush contacts and cleans the filter screen; the filter screen continues to move to a second cleaning position;
s3, when the filter screen moves to a second cleaning position, the controller receives data transmitted by the position sensor and controls the first driving motor to rotate reversely, the driving gear drives the rack to move back along the arc-shaped frame, and the brush cleans the filter screen; the filter screen continues to move to the first cleaning position;
s4, when the filter screen moves to the first cleaning position again, the controller receives data transmitted by the position sensor and controls the first driving motor to rotate, the driving gear drives the rack to move forwards along the arc-shaped frame, and the brush cleans the filter screen; the filter screen continues to move to a second cleaning position;
s5, repeating the steps S3 and S4 until the cleaning of the filter screen is finished;
further optionally, after the step of S5, the method further includes:
s6, the controller controls the first driving motor to rotate, and the driving gear drives the rack to move forwards along the arc-shaped frame; when the filter screen moves to the position below the air inlet, the controller controls the first driving motor to stop rotating, and at the moment, the filter screen can filter air entering the air conditioner from the air inlet;
s7, the controller controls the air conditioner to start a refrigeration mode and controls the second driving motor to rotate, so that the brush is repeatedly contacted with the evaporator, and the brush is cleaned by the condensed water generated by the evaporator until the brush cleaning is finished;
further optionally, after the step of S7, the method further includes:
and S8, controlling the air conditioner to start a heating mode and controlling the second driving motor to rotate by the controller, so that the brush is repeatedly contacted with the evaporator, and water on the brush is evaporated by utilizing heat generated by the evaporator.
Further optionally, after the step of S8, the method further includes:
and S9, the controller controls the second driving motor to rotate, so that the brush is separated from the evaporator and the filter screen assembly.
The invention provides a cleaning mechanism for an air conditioner, which is provided with a filter screen assembly and a brush assembly, wherein the filter screen assembly is arranged between the lower part of an air inlet of the air conditioner and the front part of an evaporator; under the action of a first driving motor, the gear-rack mechanism drives the filter screen to move to the front of the hairbrush along the arc-shaped frame; under the action of a second driving motor, the brush contacts and cleans the filter screen; when the cleaning mechanism is applied to an air conditioner, the air conditioner controller controls the first driving motor to rotate, so that the filter screen moves to and fro between a first cleaning position and a second cleaning position, and the controller controls the second driving motor to act, so that the brush contacts and cleans the filter screen; after cleaning, the condensed water generated by the air conditioner evaporator can be controlled to flush the brush and the heat generated by the evaporator is controlled to dry the brush; the brush is adopted to clean dust on the surface of the filter screen, so that the influence of the water washing filter screen on the electric appliance parts of the air conditioner is avoided; the brush is further cleaned and dried by adopting the condensed water and heat generated by the evaporator, so that bacteria generated on the surface of the brush are avoided, and the service life of the brush is prolonged; simple structure, degree of automation are high, clean effectual to the filter screen.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic structural diagram of an embodiment of an air conditioner provided by the present invention;
FIG. 2a is a schematic structural diagram of an embodiment of an air conditioner provided by the present invention when a filter screen is cleaned;
FIG. 2b is a schematic structural diagram of an embodiment of an air conditioner according to the present invention when a brush is cleaned;
FIG. 3 is a schematic structural view of an embodiment of an air conditioner provided by the present invention when a brush is in an upright position;
in the figure:
1-a screen assembly; 11-a drive gear; 12-a driven gear; 13-a rack;
2-a brush assembly; 21-a brush; 22-a second drive motor;
3-an arc-shaped frame;
4-air conditioning; 41-a housing; 411-an air inlet; 412-a dust collection box; 42-evaporator.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
The invention provides a cleaning mechanism for an air conditioner, which is provided with a filter screen assembly and a brush assembly, wherein the filter screen assembly is arranged between the lower part of an air inlet of the air conditioner and the front part of an evaporator; under the action of a first driving motor, the gear-rack mechanism drives the filter screen to move to the front of the hairbrush along the arc-shaped frame; under the action of a second driving motor, the brush contacts and cleans the filter screen; when the cleaning mechanism is applied to an air conditioner, the air conditioner controller controls the first driving motor to rotate, so that the filter screen moves to and fro between a first cleaning position and a second cleaning position, and the controller controls the second driving motor to act, so that the brush contacts and cleans the filter screen; after cleaning, the condensed water generated by the air conditioner evaporator can be controlled to flush the brush and the heat generated by the evaporator can be controlled to dry the brush.
Examples
< cleaning mechanism >
As shown in fig. 1, the present embodiment provides a cleaning mechanism for an air conditioner, wherein the air conditioner 4 has a housing 41 and an evaporator 42, and the top of the housing 41 is provided with an air inlet 411; the cleaning mechanism comprises a filter screen component 1 and a brush component 2; the filter screen assembly 1 is arranged between the lower part of the air inlet 411 and the front part of the evaporator 42, is provided with a filter screen and a first driving device, drives the filter screen to move to the lower part of the air inlet 411 or the front part of the evaporator 42, and performs one-way circulating motion or two-way reciprocating motion between the lower part of the air inlet 411 and the front part of the evaporator 42; the brush component 2 is arranged between the evaporator 42 and the filter screen component 1 and is provided with a brush 21 and a second driving device; when the first driving device drives the filter screen to move to the front of the brush 21, the second driving device drives the brush 21 to move, so that the brush 21 contacts and cleans the filter screen.
Preferably, the first driving means has a first driving motor and a rack-and-pinion mechanism; the gear-rack mechanism is provided with a driving gear 11, a driven gear 12 and a rack 13; the first driving motor is in driving connection with the driving gear 11 and drives the driving gear 11 to move; the driving gear 11 or the driven gear 12 is arranged below the air inlet 411, and the driven gear 12 or the driving gear 11 is arranged in front of the evaporator 42; the rack 13 is enclosed between the driving gear 11 and the driven gear 12, one end of the rack is meshed with the driving gear 11, and the other end of the rack is meshed with the driven gear 12; the driving gear 11 drives the rack 13 to move between the driving gear 11 and the driven gear 12 in a unidirectional circulating motion or a bidirectional reciprocating motion; in addition, in order to make the filter screen move quickly and stably, two driving gears can be arranged to drive the rack to move together;
specifically, the rack 13 is made of flexible material, is in an annular structure and surrounds between the driving gear 11 and the driven gear 12, and is provided with a rack in the inner circle, one end of the rack is meshed with the driving gear 11, and the other end of the rack is meshed with the driven gear 12; when the driving gear 11 rotates, the driving gear 11 drives the rack 13 to move towards the driven gear 12, the rack 13 is meshed with the driven gear 12, and the driven gear 12 drives the rack 13 to move towards the driving gear 11, so that the rack 13 can reciprocate between the driving gear 11 and the driven gear 12.
It should be noted that the first driving device is not limited to the gear-rack mechanism, and may be a belt wheel mechanism or a chain wheel mechanism, which can drive the filter screen to move between the position below the air inlet and the position in front of the evaporator.
Preferably, the filter screen is fixed on the rack 13; specifically, the size of the filter screen corresponds to that of the air inlet 411, and the filter screen is connected with the rack 13 through a detachable structure, so that the filter screen is convenient to replace; under the action of a first driving motor, the driving gear 11 drives the rack 13 to move, the rack 13 moves circularly between the driving gear 11 and the driven gear 12, and the filter screen moves along with the rack and can move from the lower part of the air inlet 411 to the front part of the brush 21 or from the front part of the brush 21 to the lower part of the air inlet 411; when the brush 21 moves to the front of the brush 21 and contacts with the brush 21, the brush 21 can clean the filter screen.
Preferably, the filter screen assembly 1 further has an arc-shaped frame 3, and is disposed on the housing 41 and between the driving gear 11 and the driven gear 12; the cross section of the arc frame 3 corresponds to that of the shell 41 and forms an annular structure surrounding between the driving gear 11 and the driven gear 12; the rack 13 can be clamped in the arc-shaped frame 3, so that the arc-shaped frame 3 can limit the rack 13, and the rack 13 can move according to a fixed track.
Preferably, the arc frame 3 is provided with a guide rail or a guide groove, and correspondingly, the rack 13 is provided with a guide groove or a guide rail; the guide rail on the arc frame 13 is matched with the guide groove on the rack 13, or the guide groove on the arc frame 13 is matched with the guide rail on the rack 13, so that the rack 13 can move along the annular structure of the arc frame 3, and the stable movement of the rack 13 is ensured.
Preferably, under the action of the first driving motor, the rack 13 is meshed with the driving gear 11 and the driven gear 12, the guide rail is matched with the guide groove, so that the rack 13 moves along the arc-shaped frame 3, the filter screen can move to the front of the brush 21 from the lower part of the air inlet 411, and the brush 21 can clean the filter screen; or the air brush 21 moves from the front to the lower part of the air inlet 411, and the filter screen can filter the air entering the air conditioner 4 from the air inlet 411.
Preferably, the second driving device is provided with a second driving motor 22, and an output shaft of the second driving motor 22 is in driving connection with the brush 21; under the action of the second driving motor 22, the brush 21 can contact with the filter screen and clean the filter screen; specifically, the brush 21 has a sector-shaped or 1/4-shaped cross section, and under the action of the second motor 22, the brush can be rotated to the right to contact with the filter screen assembly 1, and rotated to the left to contact with the evaporator 42, and when the brush is in a vertical state, the brush does not contact with the filter screen assembly 1 and the evaporator 42.
< air Conditioning >
As shown in fig. 2a and 2b, the present embodiment provides an air conditioner having a case 41, an evaporator 42, a controller, a detection module, and a sweeping mechanism for an air conditioner as described in any one of the above; the top of the shell 41 is provided with an air inlet; the filter screen assembly 1 is arranged between the lower part of the air inlet 411 and the front part of the evaporator 42; specifically, formed in an arc-shaped configuration; the brush assembly 2 is arranged between the evaporator 42 and the filter screen assembly 1, so that the brush 21 can clean the filter screen and the brush 21; the detection module is provided with a position sensor and is used for detecting the position of the filter screen; specifically, the position sensor is arranged between the brush 21 and the filter screen assembly 1;
the controller is electrically connected with the first driving motor, the second driving motor 22 and the detection module respectively, receives the data transmitted by the detection module, and controls the first driving motor and the second driving motor 22 to act so that the brush 21 cleans the filter screen; in addition, the controller can control the second driving motor 22 to drive the brush 21 to rotate, so as to clean and dry the brush 21.
Preferably, the filter screen moves with the rack 13 under the driving of the driving gear 11, and can move below the air inlet 411 and in front of the evaporator 42; to ensure the integrity of the cleaning screen, the screen is set to have a first cleaning position and a second cleaning position when the screen is moved in front of the evaporator 42; when the filter screen is at the first cleaning position, the front boundary of the filter screen is positioned in front of the brush 21; when the filter screen is at the second cleaning position, the rear boundary of the filter screen is positioned in front of the brush 21;
along the movement direction of the filter screen, the two ends of the filter screen are respectively the front boundary and the rear boundary of the filter screen, the front boundary of the filter screen is the first boundary in the filter screen to reach the front of the brush, and the rear boundary of the filter screen is the last boundary in the filter screen to reach the front of the brush; when the front boundary of the filter screen moves to the front of the brush, the filter screen is in a first cleaning position; when the rear boundary of the filter screen moves to the front of the brush, the filter screen is in a second cleaning position.
Preferably, the controller controls the first driving motor to rotate, the driving gear 11 drives the rack 13 to move forward along the arc-shaped frame 3, and the filter screen moves along with the rack 13 and moves from the lower part of the air inlet 411 to the first cleaning position; when the filter screen moves to the first cleaning position, the position sensor transmits data to the controller; the controller controls the second driving motor 22 to drive the brush 21 to rotate, so that the brush 21 contacts and cleans the filter screen; the filter screen continues to move to the second cleaning position;
when the filter screen moves to the second cleaning position, the position sensor transmits data to the controller; the controller controls the first driving motor to rotate reversely, the driving gear 11 drives the rack 13 to move back along the arc-shaped frame 3, and the brush 21 cleans the filter screen; the filter screen continues to move to the first cleaning position;
when the filter screen moves to the first cleaning position again, the position sensor transmits data to the controller; the controller controls the first driving motor to rotate, the driving gear 11 drives the rack 13 to move forwards along the arc-shaped frame 3, and the brush 21 cleans the filter screen.
Preferably, after the cleaning of the filter screen is finished, the controller controls the first driving motor to rotate, the driving gear 11 drives the rack 13 to move forward along the arc-shaped frame 3, and the filter screen moves below the air inlet 411 along with the rack 13; when the filter screen moves to the lower side of the air inlet 411, the controller controls the first driving motor to stop rotating, and at this time, the filter screen can filter the air entering the air conditioner 4 from the air inlet 411.
Preferably, after the filter screen is cleaned, the controller controls the air conditioner 4 to start a refrigeration mode; the controller controls the second driving motor 22 to rotate, so that the brush 21 repeatedly contacts with the evaporator 42, and the brush 21 is cleaned by the condensed water generated by the evaporator 42.
Preferably, after the brush 21 is cleaned, the controller controls the air conditioner 4 to start the heating mode; the controller controls the second driving motor 22 to rotate, so that the brush 21 and the evaporator 42 repeatedly contact with each other, and the heat generated by the evaporator 42 can evaporate water on the brush 21, thereby preventing bacteria from breeding on the brush 21.
Preferably, the housing 41 is provided with a dust collecting box 412 and a water collecting box, which are located below the brush 21, and the dust collecting box 412 is used for collecting dust dropped when the brush 21 cleans the filter screen; the water collecting box is used for collecting condensed water when the brush 21 is cleaned.
As shown in fig. 1, after the brush 21 is cleaned and dried, the controller controls the second driving motor 22 to rotate so that the brush 21 is directed downward and separated from the evaporator 42 and the filter screen assembly 1;
in another embodiment, as shown in fig. 3, after the brush 21 is cleaned and dried, the controller controls the second driving motor 22 to rotate so that the brush 21 is upwardly separated from the evaporator 42 and the filter screen assembly 1.
< control method >
In this embodiment, a method for cleaning a filter screen by the air conditioner 4 includes:
s1, the controller controls the first driving motor to rotate, so that the driving gear 11 drives the rack 13 to move forwards along the arc-shaped frame 3, and the filter screen moves from the lower part of the air inlet 411 to the first cleaning position;
s2, when the filter screen moves to the first cleaning position, the controller receives the data transmitted by the position sensor and controls the second driving motor 22 to drive the brush 21 to rotate, so that the brush 21 contacts and cleans the filter screen; the filter screen continues to move to the second cleaning position;
s3, when the filter screen moves to the second cleaning position, the controller receives the data transmitted by the position sensor and controls the first driving motor to rotate reversely, the driving gear 11 drives the rack 13 to move back along the arc-shaped frame 3, and the brush 21 cleans the filter screen; the filter screen continues to move to the first cleaning position;
s4, when the filter screen moves to the first cleaning position again, the controller receives data transmitted by the position sensor and controls the first driving motor to rotate, the driving gear 11 drives the rack 13 to move forwards along the arc-shaped frame 3, and the brush 21 cleans the filter screen; the filter screen continues to move to the second cleaning position;
s5, repeating the steps S3 and S4 until the cleaning of the filter screen is finished;
s6, the controller controls the first driving motor to rotate, and the driving gear 11 drives the rack 13 to move forwards along the arc-shaped frame 3; when the filter screen moves to the lower part of the air inlet 411, the controller controls the first driving motor to stop rotating, and at the moment, the filter screen can filter the air entering the air conditioner 4 from the air inlet 411;
s7, the controller controls the air conditioner 4 to start a refrigeration mode and controls the second driving motor 22 to rotate, so that the hairbrush 21 is repeatedly contacted with the evaporator 42, and the hairbrush 21 is cleaned by the condensed water generated by the evaporator 42 until the hairbrush 21 is cleaned;
s8, the controller controls the air conditioner 4 to start a heating mode and controls the second driving motor 22 to rotate, so that the brush 21 is repeatedly contacted with the evaporator 42, the heat generated by the evaporator 42 evaporates water on the brush 21, and bacteria are prevented from breeding on the brush 21;
and S9, the controller controls the second driving motor 22 to rotate, so that the brush 21 is separated from the evaporator 42 and the filter screen assembly 1.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (18)
1. A cleaning mechanism for an air conditioner is provided with a shell and an evaporator, wherein the top of the shell is provided with an air inlet; it is characterized in that the cleaning mechanism comprises:
the filter screen assembly is arranged between the lower part of the air inlet and the front part of the evaporator, and is provided with a filter screen and a first driving device, and the first driving device drives the filter screen to do one-way circulating motion or two-way reciprocating motion between the lower part of the air inlet and the front part of the evaporator;
the brush assembly is arranged between the evaporator and the filter screen assembly and is provided with a brush and a second driving device; when the first driving device drives the filter screen to move to the front of the brush, the second driving device drives the brush to move, so that the brush cleans the filter screen.
2. The sweeping mechanism for an air conditioner according to claim 1, wherein the first driving means has a first driving motor and a rack-and-pinion mechanism; the gear-rack mechanism is provided with a driving gear, a driven gear and a rack; the first driving motor is in driving connection with the driving gear; the driving gear or the driven gear is arranged below the air inlet, and the driven gear or the driving gear is arranged in front of the evaporator; the rack is arranged between the driving gear and the driven gear in a surrounding manner, one end of the rack is meshed with the driving gear, and the other end of the rack is meshed with the driven gear; the driving gear drives the rack to do unidirectional circulation motion or bidirectional reciprocating motion between the driving gear and the driven gear.
3. The sweeping mechanism for an air conditioner according to claim 2, wherein the filter net is fixed to the rack; under the action of the first driving motor, the driving gear drives the rack to move, so that the filter screen can move to the front of the brush from the lower part of the air inlet and is in contact with the brush, and the brush cleans the filter screen.
4. The sweeping mechanism for an air conditioner according to claim 2, wherein the filter screen assembly further has an arc-shaped frame and is disposed on the housing between the driving gear and the driven gear; the cross section of the arc-shaped frame corresponds to that of the shell; the arc-shaped frame has a limiting effect on the rack, so that the rack can move according to a fixed track.
5. The sweeping mechanism for an air conditioner according to claim 4, wherein the arc-shaped frame is provided with a guide rail or a guide groove, and correspondingly, the rack is provided with a guide groove or a guide rail; the guide rail is matched with the guide groove, so that the rack can move along the arc-shaped frame.
6. The cleaning mechanism as claimed in claim 5, wherein under the action of the first driving motor, the rack is engaged with the driving gear and the driven gear, and the guide rail is engaged with the guide groove, so that the rack moves along the arc-shaped frame, and the filter screen can move from the lower part of the air inlet to the front of the brush or from the front of the brush to the lower part of the air inlet, thereby cleaning the filter screen by the brush and filtering the air at the air inlet by the filter screen.
7. A sweeping mechanism for an air conditioner according to claim 1, wherein said second driving means has a second driving motor, an output shaft of said second driving motor being drivingly connected to said brush; under the action of the second driving motor, the brush can be in contact with the filter screen and clean the filter screen.
8. An air conditioner, characterized by having a housing, an evaporator, a controller, a detection module and a sweeping mechanism for an air conditioner according to any one of claims 1 to 7; the top of the shell is provided with an air inlet; the filter screen assembly is arranged between the lower part of the air inlet and the front part of the evaporator; the brush component is arranged between the evaporator and the filter screen component; the detection module is provided with a position sensor and is used for detecting the position of the filter screen;
the controller is electrically connected with the first driving motor, the second driving motor and the detection module respectively, receives the data transmitted by the detection module, and controls the first driving motor and the second driving motor to act, so that the brush cleans the filter screen.
9. The air conditioner of claim 8, wherein the filter screen has a first cleaning position and a second cleaning position; when the filter screen is at the first cleaning position, the front boundary of the filter screen is positioned in front of the brush; when the filter screen is in the second cleaning position, the rear boundary of the filter screen is positioned in front of the brush.
10. The air conditioner according to claim 9, wherein the controller controls the first driving motor to rotate, and the driving gear drives the rack to move forward along the arc frame; when the filter screen moves to a first cleaning position, the position sensor transmits data to the controller; the controller controls the second driving motor to drive the brush to rotate, so that the brush is in contact with and cleans the filter screen;
when the filter screen moves to a second cleaning position, the position sensor transmits data to the controller; the controller controls the first driving motor to rotate reversely, the driving gear drives the rack to move back along the arc-shaped frame, and the brush cleans the filter screen;
when the filter screen moves to the first cleaning position again, the position sensor transmits data to the controller; the controller controls the first driving motor to rotate, the driving gear drives the rack to move forwards along the arc-shaped frame, and the brush cleans the filter screen.
11. The air conditioner according to claim 10, wherein the controller controls the first driving motor to rotate after the cleaning of the filter screen is finished, and the driving gear drives the rack to move forward along the arc-shaped frame; when the filter screen moves to the position below the air inlet, the controller controls the first driving motor to stop rotating, and at the moment, the filter screen can filter air entering the air conditioner from the air inlet.
12. The air conditioner according to claim 10, wherein the controller controls the air conditioner to turn on a cooling mode after cleaning the filter screen is finished; the controller controls the second driving motor to rotate, so that the brush is repeatedly contacted with the evaporator, and the brush is cleaned by using condensed water generated by the evaporator.
13. The air conditioner according to claim 12, wherein the controller controls the air conditioner to turn on a heating mode after the brush is washed; the controller controls the second driving motor to rotate, so that the brush is repeatedly contacted with the evaporator, and water on the brush is evaporated.
14. The air conditioner as claimed in claim 8, wherein a dust collecting box is provided on the housing, below the brush, for collecting dust dropped from the brush when the brush cleans the filter screen.
15. A control method of an air conditioner according to any one of claims 8 to 14, wherein the method of the air conditioner cleaning the filter screen includes:
s1, the controller controls the first driving motor to rotate, so that the driving gear drives the rack to move forwards along the arc-shaped frame, and the filter screen moves from the lower part of the air inlet to a first cleaning position;
s2, when the filter screen moves to a first cleaning position, the controller receives data transmitted by the position sensor and controls the second driving motor to drive the brush to rotate, so that the brush contacts and cleans the filter screen; the filter screen continues to move to a second cleaning position;
s3, when the filter screen moves to a second cleaning position, the controller receives data transmitted by the position sensor and controls the first driving motor to rotate reversely, the driving gear drives the rack to move back along the arc-shaped frame, and the brush cleans the filter screen; the filter screen continues to move to the first cleaning position;
s4, when the filter screen moves to the first cleaning position again, the controller receives data transmitted by the position sensor and controls the first driving motor to rotate, the driving gear drives the rack to move forwards along the arc-shaped frame, and the brush cleans the filter screen; the filter screen continues to move to a second cleaning position;
and S5, repeating the steps S3 and S4 until the cleaning of the filter screen is finished.
16. The method for controlling an air conditioner according to claim 15, further comprising, after the step of S5:
s6, the controller controls the first driving motor to rotate, and the driving gear drives the rack to move forwards along the arc-shaped frame; when the filter screen moves to the position below the air inlet, the controller controls the first driving motor to stop rotating, and at the moment, the filter screen can filter air entering the air conditioner from the air inlet;
and S7, controlling the air conditioner to start a refrigeration mode and controlling the second driving motor to rotate by the controller, so that the brush is repeatedly contacted with the evaporator, and the brush is cleaned by using the condensed water generated by the evaporator until the brush cleaning is finished.
17. The method for controlling an air conditioner according to claim 16, further comprising, after the step of S7:
and S8, controlling the air conditioner to start a heating mode and controlling the second driving motor to rotate by the controller, so that the brush is repeatedly contacted with the evaporator, and water on the brush is evaporated by utilizing heat generated by the evaporator.
18. The method for controlling an air conditioner according to claim 17, further comprising, after the step of S8:
and S9, the controller controls the second driving motor to rotate, so that the brush is separated from the evaporator and the filter screen assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110249018.5A CN112944486A (en) | 2021-03-08 | 2021-03-08 | Cleaning mechanism for air conditioner, air conditioner and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110249018.5A CN112944486A (en) | 2021-03-08 | 2021-03-08 | Cleaning mechanism for air conditioner, air conditioner and control method |
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| CN112944486A true CN112944486A (en) | 2021-06-11 |
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| CN202110249018.5A Pending CN112944486A (en) | 2021-03-08 | 2021-03-08 | Cleaning mechanism for air conditioner, air conditioner and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115325660A (en) * | 2022-08-19 | 2022-11-11 | 珠海格力电器股份有限公司 | Dust removal device, dust removal control method and device, air conditioner and storage medium |
-
2021
- 2021-03-08 CN CN202110249018.5A patent/CN112944486A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115325660A (en) * | 2022-08-19 | 2022-11-11 | 珠海格力电器股份有限公司 | Dust removal device, dust removal control method and device, air conditioner and storage medium |
| CN115325660B (en) * | 2022-08-19 | 2024-05-28 | 珠海格力电器股份有限公司 | Dust removal device, dust removal control method and device, air conditioner and storage medium |
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