CN114110779B - Cross-flow fan assembly and air conditioner indoor unit - Google Patents
Cross-flow fan assembly and air conditioner indoor unit Download PDFInfo
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- CN114110779B CN114110779B CN202111316265.9A CN202111316265A CN114110779B CN 114110779 B CN114110779 B CN 114110779B CN 202111316265 A CN202111316265 A CN 202111316265A CN 114110779 B CN114110779 B CN 114110779B
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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
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
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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
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/003—Control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a cross-flow fan assembly and an air conditioner indoor unit, wherein the cross-flow fan assembly comprises a cross-flow fan and a cleaning mechanism, the cross-flow fan comprises cross-flow blades, a hub and a hub motor, and the cleaning mechanism is arranged in the hub and comprises a cleaning unit; when the cross-flow fan assembly is required to provide a cleaning function, the hub motor is controlled to enable the hub to rotate to a position, corresponding to the area to be cleaned, of the cleaning mechanism, and then the cleaning fan blade motor is controlled to drive the cleaning fan blades to blow air to the area to be cleaned; the structure is simple, the cleaning range is expanded, the cleaning process is simplified, the cleaning effect is good, and the user experience is high; the cleaning mechanism also comprises a mounting frame arranged on the hub, and the plurality of cleaning units are sequentially arranged on the mounting frame; the mounting bracket and a plurality of clean unit rotate along with wheel hub is synchronous, and a plurality of clean fan blade motor drive correspond clean fan blade rotate simultaneously, realize treating the thorough cleanness in clean district, effectively avoid debris such as dust to pile up in treating clean district.
Description
Technical Field
The invention belongs to the technical field of air conditioning equipment, and particularly relates to a cross-flow fan assembly and an air conditioner indoor unit.
Background
The cross-flow fan is widely applied to multiple fields of production and life due to the advantages of no limit on axial length, long distance of air conveying, uniform air outlet and the like; when in actual use, need set up cross flow fan in the wind channel, the time is long afterwards, can get into a lot of dusts in the wind channel, and when cross flow fan opened, these dusts can be along with cross flow fan's air-out arrange to the environment in, have reduced the quality of air in the environment, and user's experience sense worsens. In the prior art, a cross-flow fan and a cleaning device are not combined for cleaning, and the cleaning device is fixed in position and narrow in cleaning range, can only clean a specific area and cannot clean other areas or even all areas where the cross-flow fan is located; if each area is correspondingly provided with one cleaning device, the structure of the cleaning device is complicated, the occupied space is increased, the cleaning process is complicated, and the cleaning efficiency is reduced.
Disclosure of Invention
In view of this, the invention provides a cross-flow fan assembly and an air conditioner indoor unit, so as to solve the problems of narrow cleaning range, incomplete cleaning, complex cleaning process, low cleaning efficiency and the like of a cleaning device in the prior art.
The present invention provides a crossflow blower assembly comprising:
the cross-flow fan comprises a hub, cross-flow blades and a hub motor for driving the hub and the cross-flow blades to rotate;
the cleaning mechanism is arranged in the hub and fixedly connected with the hub, the cleaning mechanism comprises one or more cleaning units which are sequentially arranged along the axial direction of the hub, and each cleaning unit comprises a cleaning fan blade and a cleaning fan blade motor for driving the cleaning fan blade to rotate; preferably, the cleaning fan blades are used for radially blowing air out;
when the cross-flow fan assembly is required to provide a cleaning function, the hub motor is controlled to enable the hub to rotate to the position, corresponding to the cleaning area, of the cleaning mechanism, and then the cleaning fan blade motor is controlled to drive the cleaning fan blades to blow air to the cleaning area.
Further optionally, the cleaning blades of each cleaning unit are axial flow blades, and the axial directions of the cleaning blades are parallel to each other in the axial direction perpendicular to the hub.
Further alternatively, the cleaning blade motors of a plurality of the cleaning units can be controlled to integrally or independently rotate.
Further optionally, each cleaning unit is a cleaning fan provided with the cleaning fan blade and a cleaning fan blade motor.
Further optionally, the cleaning mechanism further comprises a mounting bracket; two ends of the mounting frame are detachably arranged on the end face of the hub or a rotating shaft of the hub respectively, and the length direction of the mounting frame is consistent with the axial direction of the hub;
the cleaning unit is arranged on the mounting frame;
when the cleaning unit includes a plurality of, a plurality of the cleaning unit sets gradually on the mounting bracket along the length direction of mounting bracket.
Further optionally, the mounting comprises a plurality of sub-mounts arranged along a circumference of the hub; the plurality of sub-mounting frames can be integrally or independently arranged on the rotating shaft of the hub; each sub-mounting frame is provided with a plurality of cleaning units.
Further optionally, the sub-mount is formed with a plurality of mounting positions sequentially arranged along the length direction of the sub-mount; the cleaning unit further comprises a support, the structure of the support is matched with that of the mounting position, and the support is matched with the mounting position to enable the cleaning unit to be detachably arranged on the sub-mounting frame.
Further optionally, the cleaning fan blade and the cleaning fan blade motor are both detachably arranged on the bracket;
under the action of the hub motor, the cleaning units synchronously rotate along with the hub to the position corresponding to the area to be cleaned, then the cleaning fan motors are controlled to drive the corresponding cleaning fan blades to rotate, and then the cleaning fan blades blow air to the area to be cleaned.
Further optionally, the cleaning mechanism further comprises a mounting frame, the mounting frame is arranged on the rotating shaft of the hub, and the length direction of the mounting frame is consistent with the axial direction of the hub; the mounting frame comprises a plurality of sub-mounting frames which are sequentially arranged along the length direction of the mounting frame, and the sub-mounting frames are circular and coaxial with the hub; each sub-mount follows the circumference of wheel hub all is equipped with a plurality ofly clean the unit.
Further optionally, the hub motor may operate at different powers, and the rotation speed of the hub when the hub motor operates at the first power is less than the rotation speed of the hub when the hub motor operates at the second power; when the cleaning fan blade motor operates, the rotating speed of the cleaning fan blade is less than that of the hub when the hub motor operates at a first power;
when the cross-flow fan assembly is required to provide a cleaning function, the hub motor is controlled to operate at a first power and drive the hub to rotate, the cleaning mechanism rotates to a position corresponding to the area to be cleaned along with the hub, and then the cleaning fan blade motor is controlled to drive the cleaning fan blades to rotate;
when the cross-flow fan assembly is required to provide an air supply function, the hub motor is controlled to operate at a second power and drive the hub to rotate, and meanwhile, the cleaning fan blade motor is controlled to stop operating.
The invention also provides an air-conditioning indoor unit, which comprises a shell, an evaporator and a volute tongue which are arranged in the shell, and the cross-flow fan assembly of any one of the above parts; the shell is provided with an air duct, and the evaporator is arranged at the air inlet end of the air duct; a bottom shell is formed at the bottom of the shell, an air outlet is formed in the bottom shell, and the volute tongue is arranged at the air outlet; the cross-flow fan is arranged in the air duct and is positioned between the evaporator and the air outlet; the cleaning mechanism is arranged in the hub and is fixedly connected with the hub;
the hub is provided with a first preset position, a second preset position and a third preset position in the rotation direction of the hub; when dust needs to be cleaned in the air conditioner indoor unit, when the hub rotates to a first preset position, the output air of the cleaning fan blade can clean the dust on the rear wall of the bottom shell; when the hub rotates to a second preset position, the output air of the cleaning fan blade can clean dust on the volute tongue; when the hub rotates to a third preset position, the output air of the cleaning fan blade can clean dust on the evaporator.
Further optionally, the indoor unit of the air conditioner further includes a controller and a position detection element, where the position detection element includes a first position detection element, a second position detection element, and a third position detection element disposed in the casing, and corresponds to the first preset position, the second preset position, and the third preset position, respectively; the controller is respectively electrically connected with the first position detection piece, the second position detection piece and the third position detection piece and controls the hub motor and the cleaning fan blade motor to act;
when dust on the rear wall of the bottom shell needs to be cleaned, the controller controls the hub motor to drive the hub to swing at a first preset position and the cleaning fan blade motor to act according to the data of the first position detection piece; when dust on the volute tongue needs to be cleaned, the controller controls the hub motor to drive the hub to swing at a second preset position and the cleaning fan blade motor to act according to the data of the second position detection piece; when dust on the evaporator needs to be cleaned, the controller controls the hub motor to drive the hub to swing at a third preset position and the cleaning fan blade motor to act according to data of the third position detection piece.
The invention provides a cross-flow fan assembly which comprises a cross-flow fan and a cleaning mechanism, wherein the cross-flow fan comprises cross-flow fan blades, a hub and a hub motor, and the cleaning mechanism is arranged in the hub and comprises a cleaning unit; when the cross-flow fan assembly is required to provide a cleaning function, the hub motor is controlled to enable the hub to rotate to a position, corresponding to the area to be cleaned, of the cleaning mechanism, and then the cleaning fan blade motor is controlled to drive the cleaning fan blades to blow air to the area to be cleaned; the cleaning device has the advantages that the cleaning device can comprehensively clean the area to be cleaned, is simple in structure, enlarges the cleaning range, simplifies the cleaning process, has good cleaning effect and is high in user experience; the cleaning mechanism also comprises a mounting frame arranged on the hub, and the plurality of cleaning units are sequentially arranged on the mounting frame; the mounting bracket and the cleaning units synchronously rotate along with the hub, and the cleaning fan blades corresponding to the cleaning fan blade motors are driven to rotate by the cleaning fan blades, so that dust in the cleaning area to be cleaned is cleaned by the output air of the cleaning fan blades, thorough cleaning of the cleaning area to be cleaned is realized, the cleaning of the cleaning area to be cleaned is ensured to the maximum extent, and the dust and other impurities are effectively prevented from being accumulated in the cleaning area to be cleaned.
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. 1a is a schematic structural view of an embodiment of a crossflow blower and a cleaning mechanism provided in accordance with the present invention assembled together;
FIG. 1b is a schematic structural view of an embodiment of a crossflow blower and cleaning mechanism provided by the present invention;
FIG. 2a is a schematic structural diagram of an embodiment of a cleaning mechanism provided in the present invention;
FIG. 2b is a schematic structural view of an embodiment of a crossflow blower provided in accordance with the present invention;
FIG. 3a is a schematic structural view of an embodiment of an air conditioner indoor unit assembled with a cleaning mechanism according to the present invention;
FIG. 3b is a schematic structural diagram of an embodiment of an explosion of the cleaning mechanism and the indoor unit of the air conditioner according to the present invention;
FIG. 4a is a schematic structural view of an embodiment of a crossflow blower provided in accordance with the present invention in a first predetermined position;
FIG. 4b is a schematic structural view of an embodiment of a crossflow blower of the present invention in a second predetermined position;
FIG. 4c is a schematic structural view of an embodiment of a crossflow blower of the present invention in a third predetermined position;
in the figure:
1-an indoor unit of an air conditioner; 11-a housing; 111-a bottom shell; 112-an air inlet; 113-an air outlet; 114-an air duct; 12-an evaporator; 13-cross flow fan; 131-a hub; 132-the end face of the hub; 133-a hub motor; 14-volute tongue; 15-panel body;
2-a cleaning mechanism; 21-a first submount; 22-a second submount; 23-a mounting location; 24-a cleaning unit; 241-a support; 242-cleaning fan blades; 243-cleaning fan blade motor.
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 should also be 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 phrases "comprising one of \8230;" does not exclude the presence of additional like elements in an article or system comprising the element.
In the existing air duct cleaning device, the position is fixed, the cleaning range is narrow, only specific parts can be cleaned, and other parts in the air duct and even all parts in the air duct cannot be cleaned; if each part is correspondingly provided with one cleaning device, the structure of the cleaning device is complicated, the occupied space is increased, the cleaning process is complicated, and the cleaning efficiency is reduced;
the invention creatively provides a cross-flow fan assembly, which comprises a cross-flow fan and a cleaning mechanism, wherein the cross-flow fan comprises cross-flow fan blades, a hub and a hub motor, and the cleaning mechanism is arranged in the hub and comprises a cleaning unit; when the cross-flow fan assembly is required to provide a cleaning function, the hub motor is controlled to enable the hub to rotate to a position, corresponding to the area to be cleaned, of the cleaning mechanism, and then the cleaning fan blade motor is controlled to drive the cleaning fan blades to blow air to the area to be cleaned; can treat the clean district and carry out comprehensive cleanness, simple structure, enlarged clean scope, simplified clean process and clean effectual, realize treating the thorough cleanness in clean district, furthest guarantees to treat the cleanness in clean district, effectively avoids debris such as dust to pile up in treating the clean district, and user experience degree is high.
Example 1
As shown in FIGS. 1a and 2b, the present embodiment provides a crossflow blower assembly comprising a crossflow blower 13 and a cleaning mechanism 2; the cross-flow fan 13 comprises cross-flow blades, a hub 131 and a hub motor 133 capable of driving the hub 131 and the cross-flow blades to rotate; the cleaning mechanism 2 is arranged in the hub 131 and fixedly connected with the hub 131, the cleaning mechanism 2 comprises one or more cleaning units 24 which are sequentially arranged along the axial direction of the hub 131, and each cleaning unit 24 comprises a cleaning fan blade and a cleaning fan blade motor for driving the cleaning fan blade to rotate;
when the cross-flow fan assembly is required to provide a cleaning function, the hub motor is controlled to enable the hub to rotate to a position, corresponding to the area to be cleaned, of the cleaning mechanism, and then the cleaning fan blade motor is controlled to drive the cleaning fan blades to blow air to the area to be cleaned;
preferably, the cleaning fan blade discharges air in the radial direction. Crossflow blower assemblies provide a cleaning function in two ways:
firstly, controlling a hub motor to enable a hub to rotate to a position, corresponding to a to-be-cleaned area, of a cleaning mechanism, stopping the hub motor or swinging in the to-be-cleaned area, and then controlling a cleaning fan blade motor to drive a cleaning fan blade to blow air to the to-be-cleaned area to clean dust;
and secondly, controlling a hub motor to enable the hub to rotate for 360 degrees, intermittently corresponding the cleaning mechanism to the area to be cleaned, and simultaneously controlling a cleaning fan blade motor to drive the cleaning fan blades to blow air to the area to be cleaned so as to clean dust.
In conclusion, the cleaning mechanism 2 has a simple structure and a wide cleaning range, can completely and thoroughly clean the area to be cleaned, simplifies the cleaning process, and has good cleaning effect, high cleaning efficiency and high user experience; the cleaning of the area to be cleaned is ensured to the maximum extent, and dust and other impurities are effectively prevented from being accumulated in the area to be cleaned; the problem of among the prior art cleaning device can't clean the district of treating to clean comprehensively, clean not thorough, clean loaded down with trivial details and clean efficiency reduction etc is solved.
As a preferred embodiment, the cleaning blades of each cleaning unit are axial flow blades, and the axial directions of the cleaning blades are parallel to each other in the direction perpendicular to the hub axial direction. Preferably, the cleaning blade motors of the plurality of cleaning units can be controlled to integrally or independently rotate. As will be understood by those skilled in the art, each cleaning unit may be formed by a cleaning fan having cleaning blades and cleaning blade motors in one-to-one correspondence.
As shown in fig. 1b and 2a, the cleaning mechanism 2 further comprises a mounting bracket; two ends of the mounting frame are respectively detachably arranged on the end surface of the hub 131 or a rotating shaft of the hub 131, and the length direction of the mounting frame is consistent with the axial direction of the hub 131; specifically, the mounting bracket can be fixed on the hub 131 by screws;
the cleaning units 24 comprise one or more cleaning units, the cleaning units 24 are sequentially arranged on the mounting rack along the length direction of the mounting rack, and each cleaning unit 24 can be independently controlled to operate, so that efficient cleaning is realized; the cleaning unit 24 can clean the region of the region to be cleaned along the length direction of the mounting frame when rotating; the cleaning mechanism 2 can clean the area to be cleaned comprehensively, thoroughly and quickly by combining the rotation of the hub 131, so that dust is prevented from being accumulated in the area to be cleaned; preferably, the axial direction of the cleaning unit 24 coincides with the radial direction of the hub 131.
Preferably, the mounting bracket is arranged on the rotating shaft of the hub 131 and comprises a plurality of sub-mounting brackets arranged along the circumferential direction of the hub 131; the plurality of sub-mounts may be integrally or individually provided on the rotation shaft of the hub 131; a plurality of cleaning units 24 are arranged on each sub-mounting rack, so that the covering surface of each cleaning unit 24 in the length direction of the mounting rack is ensured, and each cleaning unit 24 can be independently controlled to operate or integrally operate; specifically, the sub-mount is integrally formed or detachably connected with the mount.
In other embodiments, the cleaning mechanism 2 further comprises a mounting bracket, the mounting bracket is arranged on the rotating shaft of the hub 131, and the length direction of the mounting bracket is consistent with the axial direction of the hub 131; the mounting frame comprises a plurality of sub-mounting frames which are sequentially arranged along the length direction of the mounting frame, and the sub-mounting frames are circular and coaxial with the hub 131; each sub-mount is provided with a plurality of cleaning units 24 along the circumferential direction of the hub 131, the cleaning units 24 can clean the area along the circumferential direction of the hub 131 when rotating, and the cleaning mechanism 2 can completely clean the inside of the air duct 114 by combining the rotation of the hub 131.
As shown in fig. 2a, the mounting bracket in this embodiment includes a first sub-mounting bracket 21 and a second sub-mounting bracket 22 which are oppositely arranged; the first sub-mount 21 and the second sub-mount 22 are respectively located at two ends of the hub 131 in the diameter direction, and the first sub-mount 21 and the second sub-mount 22 are integrally or independently arranged on the rotating shaft of the hub 131; the air outlet of the cleaning unit 24 faces the radial direction of the hub 131, the air output of the cleaning unit 24 is increased, the output air of the cleaning units 24 is prevented from forming vortex in the hub 131 to cause air output loss, and cleaning efficiency is guaranteed.
In order to realize the connection between the cleaning unit 24 and the mounting rack, the cleaning unit 24 includes a bracket 241, and the sub-mounting rack is formed with a plurality of mounting positions 23 arranged in sequence along the length direction of the sub-mounting rack; the structure of the bracket 241 is matched with that of the mounting position 23, and the bracket 241 is matched with the mounting position 23 to realize that the cleaning unit 24 is detachably arranged on the sub-mounting rack; specifically, the bracket 241 is a square frame, the mounting position 23 is a square groove, and the bracket 241 and the mounting position 23 can be connected by a snap structure or a screw.
Further, the cleaning unit 24 further includes a cleaning blade 242 and a cleaning blade motor 243 drivingly connected to the cleaning blade 242; the cleaning fan 242 and the cleaning fan motor 243 are detachably arranged on the bracket 241; each cleaning fan motor 243 can be independently controlled to drive the corresponding cleaning fan to rotate;
under the action of the hub motor 133, the sub-mounting frames and the cleaning units 24 rotate synchronously with the hub 131, and meanwhile, the cleaning blade motors 243 drive the corresponding cleaning blades 242 to rotate, so that the output air of the cleaning blades 242 cleans dust in the area to be cleaned.
In order to improve the cleaning efficiency of the cleaning mechanism 2, the hub motor 133 can be operated at different powers, and the rotation speed of the hub 131 when the hub motor 133 operates at the first power is less than the rotation speed of the hub 131 when the hub motor 133 operates at the second power; when the cleaning blade motor 243 operates, the rotating speed of the cleaning blade 242 is less than that of the hub 131 when the hub motor 133 operates at the first power;
when the cross-flow fan assembly is required to provide a cleaning function, the hub motor 133 is controlled to operate at a first power and drive the hub 131 to rotate, and the cleaning fan motor 243 is controlled to operate and drive the cleaning fan blades 242 to rotate, so that the exhaust volume of the hub fan 13 is small, the exhaust volume of the cleaning fan blades 242 is large, the exhaust volume of the hub fan 13 does not influence the exhaust volume of the cleaning fan blades 242, the cleaning efficiency is improved, the cleaning range is expanded, and the area to be cleaned is comprehensively, thoroughly and quickly cleaned;
when the cross-flow fan assembly is required to provide an air supply function, the hub motor 133 is controlled to operate at a second power and drive the hub 131 to rotate, and meanwhile, the cleaning fan blade motor 243 is controlled to stop operating; the exhaust volume of the hub fan 13 is large, and the cleaning fan blades 242 do not exhaust air, so that the air supply volume of the cross-flow fan is enough;
the dust of the cleaning zone may be cleaned first before the cross flow fan 13 is normally moved.
Example 2
As shown in fig. 3a and 3b, the present embodiment provides an air conditioning indoor unit 1, which includes a casing 11, a panel body, an evaporator 12 and a volute tongue 14 disposed in the casing 11, and a cross-flow fan assembly as described in embodiment 1; the casing 11 is formed with an air duct 114, a bottom shell 111 is formed at the bottom of the casing 11, an air outlet 113 is formed on the bottom shell 111, and the volute tongue 14 is arranged at the air outlet 113; the cross-flow fan 13 is arranged in the air duct 114 and positioned between the evaporator 12 and the air outlet 113; an air inlet 112 is formed at the top of the housing 11, one end of an air duct 114 is communicated with the air inlet 112, and the other end is communicated with an air outlet 113; the air inlet ends of the air inlet 112 and the air duct 114 are provided with an evaporator 12; the volute tongue 14 is arranged at the rear side of the panel body 15 and at the air outlet 113 of the bottom shell 111;
the hub motor 133 drives the hub 131 to rotate, indoor air enters from the air inlet 112, passes through the evaporator 12, completes heat exchange with the evaporator 12, and is discharged from the air outlet 113 through the air duct 114; under the action of the hub motor 133, the hub 131 and the cleaning mechanism 2 rotate synchronously, and then the cleaning unit 24 cleans dust inside the indoor unit 1 of the air conditioner;
in conclusion, the cleaning mechanism 2 can completely and thoroughly clean the interior of the indoor unit 1 of the air conditioner, the cleaning process is simplified, the cleaning effect is good, the cleaning efficiency is high, and the user experience is high; the cleanness inside the air-conditioning indoor unit 1 is ensured to the maximum extent, and dust and other sundries are effectively prevented from being accumulated inside the air-conditioning indoor unit 1, so that the air blown out from the inside of the air-conditioning indoor unit 1 is completely dried, and the health of a user is facilitated.
When the hub motor 133 drives the hub 131 to rotate, the sub-mounting frames and the cleaning units 24 rotate synchronously, and the cleaning blade motor 243 drives the corresponding cleaning blades 242 to rotate, so that the outlet air of the cleaning blades 242 enters the indoor air conditioner 1 through the hub 131, blows off dust on each part inside the indoor air conditioner 1, and is discharged through the air outlet 113.
When the interior of the indoor air-conditioning unit 1 needs to be cleaned, the hub motor 133 is controlled to operate at a first power and drive the hub 131 to rotate, and meanwhile, the cleaning fan motor 243 is controlled to drive the cleaning fan 242 to rotate, so that the interior of the indoor air-conditioning unit 1 can be completely, thoroughly and quickly cleaned;
when the indoor unit 1 of the air conditioner normally moves, the hub motor 133 is controlled to operate at the second power and drive the hub 131 to rotate, and meanwhile, the blade cleaning motor 243 is controlled to stop rotating, so that the indoor unit 1 of the air conditioner is ensured to operate reliably.
Before the air conditioning indoor unit 1 normally moves, the dust inside the air conditioning indoor unit 1 may be cleaned first.
The hub 131 has a first preset position, a second preset position and a third preset position in the rotation direction of the hub 131, and corresponds to different parts, and when the hub 131 rotates to different preset positions, dust on different parts can be cleaned;
as shown in fig. 4a, when the inside of the air conditioning indoor unit 1 is cleaned, and the hub 131 rotates to the first preset position, the output air of the cleaning blade 242 can clean the dust on the rear wall of the bottom casing 111; as shown in fig. 4b, when the hub 131 rotates to the second preset position, the output wind of the cleaning fan 242 can clean the dust on the volute tongue 14; as shown in fig. 4c, when the hub 131 rotates to the third preset position, the output air of the cleaning fan 242 can clean the dust on the evaporator 12; corresponding parts can be cleaned continuously by controlling the stay or swing of the hub 131 at a certain preset position, or the hub 131 can be controlled to rotate continuously for 360 degrees, so that the corresponding parts can be cleaned intermittently for multiple times, and the cleaning efficiency is improved;
further, the air-conditioning indoor unit 1 further includes a controller and a position detection element, and the position detection element includes a first position detection element, a second position detection element and a third position detection element which are arranged in the casing 11 and respectively correspond to the first preset position, the second preset position and the third preset position; the controller is respectively electrically connected with the first position detection piece, the second position detection piece and the third position detection piece, and controls the actions of the hub motor 133 and the cleaning fan blade motor 243 according to the detection data of the first position detection piece, the second position detection piece and the third position detection piece, so as to clean dust on a part corresponding to a preset position;
as shown in fig. 4a, when dust on the rear wall of the bottom case 111 needs to be cleaned, the controller controls the hub motor 133 to operate at a first power according to data of the first position detection element, and drives the hub 131 to swing at a first preset position, and controls the cleaning blade motor 243 to drive the cleaning blade 242 to rotate, the output air of the cleaning blade 242 reaches the rear wall of the bottom case 111 through the hub 131 and blows off the dust on the rear wall of the bottom case 111, and the blown-off dust is discharged from the air outlet 113 along with the output air;
as shown in fig. 4b, when dust on the volute tongue 14 needs to be cleaned, the controller controls the hub motor 133 to operate at the first power according to data of the second position detection element, and drives the hub 131 to swing at the second preset position, controls the cleaning blade motor 243 to drive the cleaning blade 242 to rotate, and controls the output air of the cleaning blade 242 to reach the volute tongue 14 through the hub 131 and blow off the dust on the volute tongue 14, and the blown-off dust is discharged from the air outlet 113 along with the output air;
as shown in fig. 4c, when dust on the evaporator 12 needs to be cleaned, the controller controls the hub motor 133 to operate at the first power according to data of the third position detection element, and drives the hub 131 to swing at the third preset position, and controls the cleaning blade motor 243 to drive the cleaning blade 242 to rotate, the output air of the cleaning blade 242 reaches the evaporator 12 through the hub 131 and blows off the dust on the evaporator 12, and the blown-off dust is discharged from the air outlet 113 along with the output air.
In summary, by controlling the rotation of the cross-flow fan 13 and the cleaning blade 242, the dust on the rear wall of the bottom casing 111, the volute tongue 14, the evaporator 12, and the like can be effectively cleaned, so as to thoroughly clean the interior of the indoor unit 1 of the air conditioner, ensure the cleaning of the interior of the indoor unit 1 of the air conditioner to the maximum extent, and effectively prevent the dust and other impurities from accumulating inside the indoor unit 1 of the air conditioner, thereby ensuring that the air blown from the interior of the indoor unit 1 of the air conditioner is dried completely, and being beneficial to the health of the user.
It should be noted that the number of the preset positions of the hub 131 and the number of the position detecting members of the indoor unit 1 of the air conditioner are not limited, and a plurality of the position detecting members may be provided according to actual needs.
The embodiment also provides an air conditioner, which comprises the air conditioner indoor unit.
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 (12)
1. A crossflow blower assembly comprising:
the cross-flow fan comprises a hub, cross-flow blades and a hub motor for driving the hub and the cross-flow blades to rotate;
the cleaning mechanism is arranged in the hub and fixedly connected with the hub, the cleaning mechanism comprises one or more cleaning units which are sequentially arranged along the axial direction of the hub, and each cleaning unit comprises a cleaning fan blade and a cleaning fan blade motor for driving the cleaning fan blade to rotate;
when the cross-flow fan assembly is required to provide a cleaning function, the hub motor is controlled to enable the hub to rotate to the position, corresponding to the cleaning area, of the cleaning mechanism, and then the cleaning fan blade motor is controlled to drive the cleaning fan blades to blow air to the cleaning area.
2. The crossflow blower assembly of claim 1 wherein the cleaning blades of each cleaning unit are axial flow blades, and the axial directions of the cleaning blades are parallel to each other in an axial direction perpendicular to the hub.
3. The crossflow blower assembly of claim 1 wherein the cleaning blade motors of a plurality of the cleaning units are controlled to rotate in unison or independently.
4. The crossflow blower assembly of claim 1 wherein the cleaning blades of each cleaning unit are radially directed.
5. The crossflow blower assembly of claim 1 wherein the cleaning mechanism further comprises a mounting bracket; two ends of the mounting frame are detachably arranged on the end face of the hub or a rotating shaft of the hub respectively, and the length direction of the mounting frame is consistent with the axial direction of the hub;
the cleaning unit is arranged on the mounting frame;
when the cleaning unit includes a plurality of, a plurality of the cleaning unit sets gradually on the mounting bracket along the length direction of mounting bracket.
6. The crossflow blower assembly of claim 5 wherein the mounting bracket comprises a plurality of sub-mounting brackets disposed circumferentially of the hub; the plurality of sub-mounting frames can be integrally or independently arranged on the rotating shaft of the hub; each sub-mounting frame is provided with a plurality of cleaning units.
7. The crossflow blower assembly of claim 6, wherein the sub-mount is formed with a plurality of mounting sites arranged in series along a length of the sub-mount; the cleaning unit further comprises a support, the structure of the support is matched with that of the mounting position, and the support is matched with the mounting position to enable the cleaning unit to be detachably arranged on the sub-mounting frame.
8. The crossflow blower assembly of claim 7 wherein the cleaning blades and cleaning blade motor are both removably disposed on the support;
under the action of the hub motor, the cleaning units synchronously rotate along with the hub to the position corresponding to the area to be cleaned, then the cleaning fan motors are controlled to drive the corresponding cleaning fan blades to rotate, and then the cleaning fan blades blow air to the area to be cleaned.
9. The crossflow blower assembly of claim 1, wherein the cleaning mechanism further comprises a mounting bracket arranged on the rotating shaft of the hub, and the length direction of the mounting bracket is consistent with the axial direction of the hub; the mounting frame comprises a plurality of sub-mounting frames which are sequentially arranged along the length direction of the mounting frame, and the sub-mounting frames are circular and coaxial with the hub; each sub-mount follows the circumference of wheel hub all is equipped with a plurality ofly clean the unit.
10. The crossflow blower assembly of claim 1 wherein the in-wheel motor is operable at different powers, the rotational speed of the in-wheel motor when operating at a first power being less than the rotational speed of the in-wheel motor when operating at a second power; when the cleaning fan blade motor operates, the rotating speed of the cleaning fan blade is less than that of the hub when the hub motor operates at a first power;
when the cross-flow fan assembly is required to provide a cleaning function, the hub motor is controlled to operate at a first power and drive the hub to rotate, the cleaning mechanism rotates to a position corresponding to the area to be cleaned along with the hub, and then the cleaning fan blade motor is controlled to drive the cleaning fan blades to rotate;
when the cross-flow fan assembly is required to provide an air supply function, the hub motor is controlled to operate at a second power and drive the hub to rotate, and meanwhile, the cleaning fan blade motor is controlled to stop operating.
11. An indoor unit of an air conditioner, comprising a casing, an evaporator and a volute tongue arranged in the casing, and the cross-flow fan assembly of any one of claims 1 to 10; the shell is provided with an air duct, and the evaporator is arranged at the air inlet end of the air duct; a bottom shell is formed at the bottom of the shell, an air outlet is formed in the bottom shell, and the volute tongue is arranged at the air outlet; the cross-flow fan is arranged in the air duct and is positioned between the evaporator and the air outlet; the cleaning mechanism is arranged in the hub and is fixedly connected with the hub;
the hub is provided with a first preset position, a second preset position and a third preset position in the rotation direction of the hub; when dust needs to be cleaned in the air conditioner indoor unit, when the hub rotates to a first preset position, the output air of the cleaning fan blade can clean the dust on the rear wall of the bottom shell; when the hub rotates to a second preset position, the output air of the cleaning fan blade can clean dust on the volute tongue; when the hub rotates to a third preset position, the output air of the cleaning fan blade can clean dust on the evaporator.
12. An indoor unit of an air conditioner according to claim 11, further comprising a controller and a position detecting member, wherein the position detecting member includes a first position detecting member, a second position detecting member and a third position detecting member provided in the casing and corresponding to the first preset position, the second preset position and the third preset position, respectively; the controller is respectively electrically connected with the first position detection piece, the second position detection piece and the third position detection piece and controls the hub motor and the cleaning fan blade motor to act;
when dust on the rear wall of the bottom shell needs to be cleaned, the controller controls the hub motor to drive the hub to swing at a first preset position and the cleaning fan blade motor to act according to the data of the first position detection piece; when dust on the volute tongue needs to be cleaned, the controller controls the hub motor to drive the hub to swing at a second preset position and the cleaning fan blade motor to act according to the data of the second position detection piece; when dust on the evaporator needs to be cleaned, the controller controls the hub motor to drive the hub to swing at a third preset position and the cleaning fan blade motor to act according to data of the third position detection piece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111316265.9A CN114110779B (en) | 2021-11-08 | 2021-11-08 | Cross-flow fan assembly and air conditioner indoor unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111316265.9A CN114110779B (en) | 2021-11-08 | 2021-11-08 | Cross-flow fan assembly and air conditioner indoor unit |
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| CN114110779A CN114110779A (en) | 2022-03-01 |
| CN114110779B true CN114110779B (en) | 2023-01-31 |
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| CN115597111A (en) * | 2022-09-05 | 2023-01-13 | 珠海格力电器股份有限公司（Cn） | Cleaning device for air conditioner, cleaning method for air conditioner and air conditioner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008045822A (en) * | 2006-08-17 | 2008-02-28 | Toshiba Kyaria Kk | Indoor unit of air conditioner |
| JP2009014264A (en) * | 2007-07-04 | 2009-01-22 | Fujitsu General Ltd | Air conditioner |
| CN111412545A (en) * | 2020-03-02 | 2020-07-14 | 珠海格力电器股份有限公司 | Fan assembly and air conditioner |
| CN213777919U (en) * | 2019-02-18 | 2021-07-23 | 青岛海尔空调器有限总公司 | Indoor unit of air conditioner |
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2021
- 2021-11-08 CN CN202111316265.9A patent/CN114110779B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008045822A (en) * | 2006-08-17 | 2008-02-28 | Toshiba Kyaria Kk | Indoor unit of air conditioner |
| JP2009014264A (en) * | 2007-07-04 | 2009-01-22 | Fujitsu General Ltd | Air conditioner |
| CN213777919U (en) * | 2019-02-18 | 2021-07-23 | 青岛海尔空调器有限总公司 | Indoor unit of air conditioner |
| CN111412545A (en) * | 2020-03-02 | 2020-07-14 | 珠海格力电器股份有限公司 | Fan assembly and air conditioner |
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| CN114110779A (en) | 2022-03-01 |
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