CN109323330A - A kind of air conditioner indoor unit, control method, control device - Google Patents
A kind of air conditioner indoor unit, control method, control device Download PDFInfo
- Publication number
- CN109323330A CN109323330A CN201811277738.7A CN201811277738A CN109323330A CN 109323330 A CN109323330 A CN 109323330A CN 201811277738 A CN201811277738 A CN 201811277738A CN 109323330 A CN109323330 A CN 109323330A
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- China
- Prior art keywords
- axial
- flow fan
- air conditioner
- indoor unit
- conditioner indoor
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004140 cleaning Methods 0.000 claims abstract description 93
- 239000000428 dust Substances 0.000 claims abstract description 88
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 241000883990 Flabellum Species 0.000 claims abstract description 24
- 238000013517 stratification Methods 0.000 claims description 27
- 238000001514 detection method Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 230000008450 motivation Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- 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
- F24F11/32—Responding to malfunctions or emergencies
-
- 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
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention discloses a kind of air conditioner indoor unit, control method, control devices, belong to air-conditioner field.The air conditioner indoor unit includes housing, and axial-flow fan is arranged in housing, further includes: in axial-flow fan side, along the cleaning brush of axial-flow fan length extending direction setting；First driving mechanism makes the bristle of cleaning brush be in contact in a second direction with the flabellum of axial-flow fan for driving cleaning brush to turn to second direction from first direction.The present invention drives cleaning brush to turn to second direction by the first driving mechanism of control, cleaning brush is set to be in contact with the flabellum of axial-flow fan, when axial-flow fan rotation, flabellum is successively inswept from the bristle of cleaning brush, dust falls off and is collected by dust collecting structure, to realize the collection processing of the automatically cleaning and dust of axial-flow fan；It controls the first driving mechanism driving cleaning brush and turns to first direction, avoid touching axial-flow fan and other components, reduce the occupancy to air conditioner indoor unit inner space, avoid space waste.
Description
Technical field
The present invention relates to air conditioner technical field, in particular to a kind of air conditioner indoor unit, control method, control device.
Background technique
The dirt filtrating screen that the circulated air of air-conditioning first passes through air-conditioning air inlet is cleaned, and can be adhered to through the dust of dirt filtrating screen
On evaporator, then it can be fallen on axial-flow fan by the dust of evaporator.The axial-flow fan of air-conditioning is that air-conditioning is most difficult to dismantle
One of part, disassembly fan certainly will need part used all to remove, and bring very to the dust on cleaning axial-flow fan in this way
Big trouble.Axial-flow fan can not pass through frosting as evaporator automatically cleaning and be cleared up.The dust saved bit by bit can directly from
It throws away on fan, is traveled in the air in room by air duct, influence air quality.If axial-flow fan cannot be clear in time
Reason, the wind of air-conditioning blowout still can be with the dusts on fan.
Summary of the invention
The embodiment of the invention provides a kind of air conditioner indoor unit, control method, control devices, realize to axial-flow fan
It cleans.In order to which some aspects of the embodiment to disclosure have a basic understanding, simple summary is shown below.The summary
Part is not extensive overview, nor to determine key/critical component or describe the protection scope of these embodiments.It is only
One purpose is that some concepts are presented with simple form, in this, as the preamble of following detailed description.
According to a first aspect of the embodiments of the present invention, a kind of air conditioner indoor unit, including housing, setting in the housing are provided
Axial-flow fan, further includes: in the axial-flow fan side, along the cleaning brush of axial-flow fan length extending direction setting；The
One driving mechanism makes the bristle of the cleaning brush in institute for driving the cleaning brush to turn to second direction from first direction
It states and is in contact in second direction with the flabellum of the axial-flow fan.
In some optional embodiments, the cleaning brush includes first rotating shaft, and the first rotating shaft is along the axial-flow fan
Length direction extends, and the first rotating shaft is equipped with bristle.
In some optional embodiments, casing interior further includes dust collecting structure, and the dust collecting structure is set to the cleaning
The lower section of brush.
In some optional embodiments, airflow channel, the gas are set between the dust collecting structure and the axial-flow fan
Circulation road is connected to the air outlet of the housing, in the housing further include: retaining piece and the second driving mechanism, described second drives
Motivation structure is connect with the retaining piece, and the second driving mechanism driving retaining piece rotation is to block the airflow channel.
In some optional embodiments, the retaining piece includes: the second shaft and baffle, and second shaft is passed through described in
Flow fan length direction extends, and for the baffle plate setting in second shaft, second driving mechanism drives described second
Shaft rotates so that the baffle blocks the airflow channel.
In some optional embodiments, the dust collecting structure is drip tray.
According to a second aspect of the embodiments of the present invention, a kind of control method of air conditioner indoor unit is provided, for aforementioned any
Air conditioner indoor unit described in item alternative embodiment, comprising: the electric current of the motor of detection driving axial-flow fan rotation；According to electric current feelings
Condition judges the dust stratification degree on axial-flow fan surface；According to the dust stratification degree on axial-flow fan surface, it is clear to control air conditioner indoor unit starting
Sweep mode.
In some optional embodiments, the dust stratification degree according to axial-flow fan surface, control starting of air conditioner clean mould
Formula, comprising: control cleaning brush turns to second direction, and controls axial-flow fan and rotate backward.
It in some optional embodiments, when the dust stratification degree when axial-flow fan surface reaches preset condition, further include controlling
Retaining piece closes airflow channel.
According to a third aspect of the embodiments of the present invention, a kind of control device of air conditioner indoor unit is provided, comprising: current sense
Device, the electric current of the motor for detecting driving axial-flow fan rotation；Controller judges axial-flow fan surface according to current conditions
Dust stratification degree, and according to the dust stratification degree on axial-flow fan surface, it controls air conditioner indoor unit and starts cleaning modes.
Technical solution provided in an embodiment of the present invention can include the following benefits:
Cleaning brush is arranged in the present invention in housing, and control the first driving mechanism driving cleaning brush turns to second direction, makes
Cleaning brush is in contact with the flabellum of axial-flow fan, and when axial-flow fan rotation, flabellum is successively inswept from the bristle of cleaning brush, dust
It falls off and is collected by dust collecting structure, to realize the collection processing of the automatically cleaning and dust of axial-flow fan；Control first is driven
Motivation structure driving cleaning brush turns to first direction, avoids touching axial-flow fan and other components, reduces to air conditioner indoor unit
The occupancy of inner space, avoids space waste.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of structural schematic diagram of air conditioner indoor unit shown according to an exemplary embodiment；
Fig. 2 is the portion the A enlarged drawing of Fig. 1；
Fig. 3 is the structural schematic diagram under a kind of cleaning state of air conditioner indoor unit shown according to an exemplary embodiment；
Fig. 4 is the portion the B enlarged drawing of Fig. 3；
Fig. 5 is a kind of partial structural diagram of the air conditioner indoor unit shown according to another exemplary embodiment；
Fig. 6 is that the partial structurtes under a kind of cleaning state of the air conditioner indoor unit shown according to another exemplary embodiment are shown
It is intended to；
Fig. 7 is a kind of structural schematic diagram of the air conditioner indoor unit shown according to another exemplary embodiment；
Fig. 8 is a kind of structural schematic diagram of the gear set of air conditioner indoor unit shown according to an exemplary embodiment；
Fig. 9 is the first gear and second gear diameter ratio of a kind of air conditioner indoor unit shown according to an exemplary embodiment
Structural schematic diagram when for 2:1；
Figure 10 is the state switching of the cleaning brush and baffle of a kind of air conditioner indoor unit shown according to an exemplary embodiment
Schematic diagram；
Figure 11 is a kind of flow diagram of the control method of air conditioner indoor unit shown according to an exemplary embodiment；
Figure 12 is a kind of block diagram of the control device of air conditioner indoor unit shown according to an exemplary embodiment.
In figure, 1, housing；2, axial-flow fan；20, flabellum；3, dust collecting structure；4, cleaning brush；41, first rotating shaft；42, it brushes
Hair；5, retaining piece；51, the second shaft；52, baffle；6, airflow channel；71, first gear；72, second gear；800, control dress
It sets；810, current sensor；820, controller；821, judging unit；822, first control unit.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Practice them.Other embodiments may include structure, logic, it is electrical, process and other change.Embodiment
Only represent possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and the sequence operated can be with
Variation.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The range of bright embodiment includes equivalent obtained by the entire scope of claims and all of claims
Object.Herein, each embodiment individually or can be indicated generally with term " invention ", and it is convenient that this is used for the purpose of,
And if in fact disclosing the invention more than one, the range for being not meant to automatically limit the application is any single invention
Or inventive concept.Herein, relational terms such as first and second and the like be used only for by an entity or operation with
Another entity or operation distinguish, and without requiring or implying, there are any actual relationships between these entities or operation
Or sequence.Moreover, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, thus
So that process, method or equipment including a series of elements not only include those elements, but also including being not explicitly listed
Other element, or further include for this process, method or the intrinsic element of equipment.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in process, method or equipment including the element
In there is also other identical elements.Each embodiment herein is described in a progressive manner, and each embodiment stresses
Be the difference from other embodiments, the same or similar parts in each embodiment may refer to each other.For implementing
For method, product etc. disclosed in example, since it is corresponding with method part disclosed in embodiment, so the comparison of description is simple
Single, reference may be made to the description of the method.
Herein, term " first ", " second " etc. are used only for distinguishing an element and another element, without
It is required that implying that there are any actual relationship or sequences between these elements.Actually the first element can also be referred to as
Second element, vice versa.Moreover, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include, so that process, method or equipment including a series of elements not only include those elements, but also including not having
The other element being expressly recited, or further include for this process, method or the intrinsic element of equipment.Not more
In the case where limitation, the element that is limited by sentence "including a ...", it is not excluded that in the process, method including the element
Or there is also other identical elements in equipment.Each embodiment herein is described in a progressive manner, each embodiment
What is stressed is the difference from other embodiments, and the same or similar parts in each embodiment may refer to each other.
For method, product disclosed in the embodiment etc., since it is corresponding with method part disclosed in embodiment, so description
Fairly simple, reference may be made to the description of the method.
Term " longitudinal direction " herein, " transverse direction ", "upper", "lower", "front", "rear", "left", "right", "vertical", " water
It is flat ", "top", "bottom" "inner", the instructions such as "outside" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, only
It is to be described herein with simplified for ease of description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In description herein, unless separately
There are regulation and restriction, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being mechanically connected or being electrically connected
Connect, the connection being also possible to inside two elements can be directly connected, can also indirectly connected through an intermediary, for
For those skilled in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Herein, unless otherwise indicated, term " multiple " indicates two or more.
Herein, character "/" indicates that front and back object is a kind of relationship of "or".For example, A/B is indicated: A or B.
Herein, term "and/or" is a kind of incidence relation of description object, indicates may exist three kinds of relationships.For example,
A and/or B is indicated: A or B, or, these three relationships of A and B.
Fig. 1 is a kind of structural schematic diagram of air conditioner indoor unit shown according to an exemplary embodiment；Fig. 2 is the portion A of Fig. 1
Enlarged drawing；Fig. 3 is the structural schematic diagram under a kind of cleaning state of air conditioner indoor unit shown according to an exemplary embodiment；Figure
4 be the portion the B enlarged drawing of Fig. 3.
As shown in Figure 1, a kind of air conditioner indoor unit, including housing 1, housing 1 is interior to be arranged axial-flow fan 2, further includes: described
2 side of axial-flow fan, along the cleaning brush 4 of the 2 length extending direction of axial-flow fan setting；First driving mechanism, for driving
Cleaning brush 4 turns to second direction from first direction, makes the bristle 42 of cleaning brush 4 fan with axial-flow fan 2 in a second direction
Leaf 20 is in contact.
In the present embodiment, the first driving mechanism driving cleaning brush 4 turns to second direction from first direction, makes cleaning brush
4 bristle 42 is in contact with the flabellum 20 of axial-flow fan 2.When axial-flow fan 2 rotates, the successively inswept cleaning brush 4 of flabellum 20
Bristle 42, the dust on flabellum 20 are swept by bristle 42.When the hollow levelling of the embodiment is often used, cleaning brush 4 is not to through-flow wind
2 interference of fan, when starting cleaning modes, cleaning brush 4 cleans flabellum 20 by turning to suitable position, avoids because of air-conditioning for a long time
It uses, dust is gathered on axial-flow fan 2, and then influence the cleanliness of outlet air.
It optionally, further include heat exchanger inside housing 1, cleaning brush 4 is set between heat exchanger and axial-flow fan 2.In this way,
The space inside housing 1 can rationally be utilized.
Optionally, first direction is vertical direction.Optionally, between the cleaning brush of first direction 4 and heat exchanger
Distance is a, 0.5cm≤a≤1cm.Optionally, the hanging down close to cleaning brush 4 positioned at the cleaning brush of first direction 4 and axial-flow fan 2
The distance between straight tangent line is b, 1.5cm≤b≤2cm.In this way, being not only avoided that cleaning brush 4 under non-cleaning state to through-flow
The interference of fan 2, moreover it is possible to reduce the resistance generated to air-flow outflow.
Optionally, second direction is horizontal direction.In this way, the cleaning dynamics to axial-flow fan 2 is moderate.
Optionally, second direction for upward heeling condition or tilts down state.Optionally, second direction and horizontal direction
Angle be 30~45 °.It so, it is possible to shorten the distance between cleaning brush 4 and axial-flow fan 2, save more spaces.When second
Direction be upward heeling condition when, active force increases relative to horizontal direction between cleaning brush 4 and flabellum 20, clean dynamics compared with
By force, the situation for being suitble to dust more, when second direction is to tilt down state, active force phase between cleaning brush 4 and flabellum 20
Horizontal direction is reduced, the influence to flabellum 20 is smaller, the situation for being suitble to dust less.
Optionally, the length of cleaning brush 4 is adapted with the length of axial-flow fan 2.Optionally, cleaning brush 4 includes first turn
Axis 41, first rotating shaft 41 extend along 2 length direction of axial-flow fan, and first rotating shaft 41 is equipped with bristle 42, and the first driving mechanism is driven
Dynamic first rotating shaft 41 rotates.Optionally, the radially extending along first rotating shaft 41 of bristle 42, bristle 42 with first rotating shaft 41 be axis from
First direction turns to second direction.For example, when air conditioner indoor unit operate normally (refrigerating/heating/dehumidification mode) when, as Fig. 1,
Shown in 2, straight up, at this point, the flabellum 20 of bristle 42 and axial-flow fan 2 is contactless, cleaning brush 4 is or not the bristle 42 of cleaning brush 4
The rotation of axial-flow fan 2 can be interfered；When starting cleaning modes, as shown in Figure 3,4, under the driving of the first driving mechanism, clearly
Brush 4 is rotated from vertical direction to the side close to axial-flow fan 2, until bristle 42 is horizontal direction, thus with 20 phase of flabellum
Contact.In this way, multiple flabellums 20 are successively inswept from the bristle 42 of cleaning brush 4 when axial-flow fan 2 rotates, the dust quilt on flabellum 20
Bristle 42, which is swept, to be fallen.Flabellum 20 has certain radian, and in the normal operating mode, axial-flow fan 2 rotates forward, and rotation direction is such as
In Fig. 2 shown in dotted line, under cleaning modes, axial-flow fan 2 is rotated backward, and rotation direction is as shown in phantom in Figure 4, to increase fan
The contact area of leaf 20 and cleaning brush 4 improves and cleans effect.
Optionally, the first driving mechanism is motor.The drive shaft of motor is connect with first rotating shaft 41 to drive first rotating shaft
41 rotations.Motor is fixedly installed in inside housing 1, and the inner wall of first rotating shaft 41 and housing 1 is rotatablely connected.Optionally, motor is
Stepper motor, model 28BYJ48.It so, it is possible driving cleaning brush stable rotation, and reduce to the sky inside air conditioner indoor unit
Between occupy.
It optionally, further include dust collecting structure 3 inside housing 1, the dust collecting structure 3 is set to the lower section of the cleaning brush 4.
Optionally, dust collecting structure 3 can be dust-collecting box or dust collecting trough.Dust-collecting box or dust collecting trough after a period of use, need to be taken
Out to clear up dust.In this way, air conditioner indoor unit can be collected to the dust generated is cleaned.Optionally, dust collecting structure 3 is along passing through
2 length direction of flow fan extends, and dust collecting structure 3 is adapted with the length of cleaning brush 4.It so, it is possible to the greatest extent may be used the dust that generated
Collecting more than energy.
Optionally, dust collecting structure 3 is drip tray.For collecting the condensed water generated inside housing 1, dust is fallen into drip tray
In drip tray, after mixing with condensed water, it is not easy to blow out from drip tray.Optionally, drip tray includes drainpipe.In this way, dust
Air conditioner indoor unit can be washed out.The embodiment rationally utilizes the drip tray in air conditioner indoor unit, can collect dust and
Dust can be handled, improve the self-cleaning effect of air conditioner indoor unit.
As shown in Fig. 2, airflow channel 6 is arranged between dust collecting structure 3 and axial-flow fan 2, airflow channel 6 goes out with housing 1
Air port is connected to, in housing 1 further include: retaining piece 5 and the second driving mechanism, the second driving mechanism are connect with retaining piece 5, and second drives
Motivation structure drives the rotation of retaining piece 5 to block airflow channel 6.
In the present embodiment, airflow channel 6 is for making the air inside housing 1 flow to air outlet, and then flows out housing 1.
When cleaning brush 4 cleans axial-flow fan 2, airflow channel 6 is blocked in the rotation of retaining piece 5, can be avoided the ash for cleaning and generating
Dirt diffuses to the outside of air conditioner indoor unit.
In air conditioner indoor unit, it is also provided with airflow channel 6 between side of the axial-flow fan 2 far from cleaning brush 4 and housing 1,
Airflow channel 6 is connected to air outlet.Therefore, when retaining piece 5 blocks the airflow channel 6 between dust collecting structure 3 and axial-flow fan 2
When, air can still be flowed out from another airflow channel 6, will not make air conditioner indoor unit to outlet air be affected.
As figures 2-6, retaining piece 5 includes: the second shaft 51 and baffle 52, and the second shaft 51 is along 2 length of axial-flow fan
Direction extends, and baffle 52 is set in the second shaft 51, and the second shaft 51 is driven to rotate for the second driving mechanism so that baffle 52 hides
Keep off airflow channel 6.In this way, air conditioner indoor unit is in the normal mode, can normal outlet air can stop ash under cleaning modes
Dirt is blown out.
Optionally, the second driving mechanism driving baffle 52 turns to fourth direction from third direction, turns to retaining piece 5
Airflow channel 6 is blocked when fourth direction.The embodiment can reduce blocking of the retaining piece 5 to air conditioner indoor unit inner air, and
Reduce space hold.
Optionally, as shown in Fig. 2, third direction is parallel to dust collecting structure 3.Baffle 52 turns to third direction, can drop
The low interference to air-flow.
Optionally, as shown in figure 4, the angle of fourth direction and horizontal direction is α, 20 °≤α≤60 °.In this way, not only may be used
With blocks dust, moreover it is possible to import the dust dropped down on baffle 52 in dust collecting structure 3.
Optionally, retaining piece 5 extends along 2 length direction of axial-flow fan.Optionally, the length of retaining piece 5 and dust collecting structure 3
It matches.It so, it is possible abundant blocks dust and enter airflow channel 6.
Fig. 5 is a kind of partial structural diagram of the air conditioner indoor unit shown according to another exemplary embodiment；Fig. 6 is root
According to the partial structural diagram under a kind of cleaning state of air conditioner indoor unit shown in another exemplary embodiment.
As shown in Figure 5,6, retaining piece 5 is set to dust collecting structure 3 close to the top of the side of axial-flow fan 2.In this way, barrier
When part 5 turns to fourth direction from third direction, the angle turned over reduces relative to previous embodiment, can be faster two sides
Switch between.
Optionally, as shown in fig. 7, first direction straight down.Optionally, as shown in figure 8, the second driving mechanism includes:
Intermeshing first gear 71 and second gear 72, first gear 71 are placed in first rotating shaft 41, and second gear 72 is nested with
In in the second shaft 51.In the present embodiment, the driving force of the first driving mechanism is passed by first gear 71 and second gear 72
It is dynamic, so that the second shaft 51 is rotated.The embodiment drives cleaning brush 4 and baffle 52 by a motor simultaneously, simplifies function
The structure of component, has saved space, convenient for control.
Optionally, as shown in figure 9, the angle between third direction and fourth direction is 180 °, first direction and second party
Angle between is 90 degree, and the diameter ratio of first gear 71 and second gear 72 is 2:1.In this way, when first gear 71 turns over
At 90 °, second gear 72 can turn over 180 °, and as shown in Figure 10, dotted line indicates that cleaning brush 4 and baffle 52 are not cleaning shape in figure
Position under state, solid line indicates that cleaning brush 4 and baffle 52 turn to the position of cleaning state, when first gear 71 and second gear
When 72 diameter ratio is 2:1, cleaning brush 4 rotates 90 ° to second direction from first direction, and baffle 52 rotates 180 from third direction
Spend fourth direction.
Optionally, the second driving mechanism is motor.The drive shaft of motor is connect with the second shaft 51 to drive the second shaft
51 rotations.Motor is fixedly installed in inside housing 1, and the second shaft 51 and the inner wall of housing 1 are rotatablely connected.Optionally, motor is
Stepper motor.Optionally, stepper motor model is 28BYJ48.
Figure 11 is a kind of flow diagram of the control method of air conditioner indoor unit shown according to an exemplary embodiment.
As shown in figure 11, a kind of control method of air conditioner indoor unit, comprising:
The electric current for the motor that S701, detection driving axial-flow fan rotate.
It can detecte electric current by the way that current sensor is arranged.
S702, the dust stratification degree that axial-flow fan surface is judged according to current conditions.
In the present embodiment, the weight of axial-flow fan is bigger, and the electric current for the motor for driving it to rotate is bigger.
S703, the dust stratification degree according to axial-flow fan surface, control air conditioner indoor unit start cleaning modes.
When axial-flow fan superficial dust, axial-flow fan weight increases, and required electric current also increases when being driven, therefore examines
The electric current for surveying the motor of driving axial-flow fan rotation, can know the dust stratification degree on axial-flow fan surface.The embodiment is according to passing through
The dust stratification degree on flow fan surface starts the cleaning to axial-flow fan, and it is more reasonable to make to clean.
Optionally, according to the dust stratification degree on axial-flow fan surface, starting of air conditioner cleaning modes are controlled, comprising: when through-flow wind
When the dust stratification degree on fan surface reaches preset condition, control cleaning brush turns to second direction, and controls axial-flow fan and reversely turn
It is dynamic.
Optionally, the counter-rotational revolving speed of axial-flow fan is 50~100r/min.
Optionally, second direction is horizontal direction.In this way, the cleaning dynamics to axial-flow fan is moderate.
Optionally, second direction for upward heeling condition or tilts down state.Optionally, second direction and horizontal direction
Angle be 30~45 °.It so, it is possible to shorten the distance between cleaning brush and axial-flow fan, save more spaces.Work as second party
When to for upward heeling condition, active force is larger between cleaning brush and flabellum, cleans the feelings that dynamics is stronger, is suitble to dust more
Condition, when second direction is to tilt down state, active force is smaller between cleaning brush and flabellum, and the influence to flabellum is smaller, fits
Close the less situation of dust.
Optionally, preset condition is current differential 0mA < △ I≤0.5mA, △ I=I2-I1, wherein I1For axial-flow fan
The electric current passed through when the free from dust of surface, I2Electric current for the axial-flow fan detected.After axial-flow fan has run a period of time
Detect the electric current of axial-flow fan.In this way, can be used to know the dust stratification degree on axial-flow fan surface.
It optionally, when the dust stratification degree when axial-flow fan surface reaches preset condition, further include that control retaining piece closes gas
Circulation road.Optionally, control retaining piece turns to fourth direction from third direction.In this way, stopping ash when cleaning axial-flow fan
Dirt is blown out from airflow channel.
Optionally, as shown in Fig. 2, third direction is parallel to dust collecting structure.Flapper, can be non-clear to third direction
Sweep the interference reduced under state to air-flow.
Optionally, as shown in figure 4, the angle of fourth direction and horizontal direction is α, 20 °≤α≤60 °.In this way, relative to
The effect of horizontal direction blocks dust is more preferable, moreover it is possible to import the dust dropped down on baffle in dust collecting structure.
Figure 12 is a kind of block diagram of the control device of air conditioner indoor unit shown according to an exemplary embodiment.
As shown in figure 12, a kind of control device of air conditioner indoor unit, control device 800 include: current sensor 810, are used
In the electric current of the motor of detection driving axial-flow fan rotation；Controller 820, for judging axial-flow fan surface according to current conditions
Dust stratification degree control air conditioner indoor unit and start cleaning modes and according to the dust stratification degree on axial-flow fan surface.Due to through-flow wind
The dust stratification on fan surface can result in the increase of its weight, and then while being driven required electric current also increases, therefore passes through detection driving
The electric current of the motor of axial-flow fan rotation, can know the dust stratification degree on axial-flow fan surface.The control device 800 makes air conditioning chamber
Interior machine can be according to dust stratification degree automatic cleaning axial-flow fan, convenience and high-efficiency.
Optionally, controller 820 includes: judging unit 821, for judging whether the dust stratification degree on axial-flow fan surface reaches
To preset condition；First control unit 822 controls cleaning brush and turns to for the judging result according to the judging unit 821
Second direction, and control axial-flow fan and rotate backward.
Wherein, preset condition is current differential 0mA < △ I≤0.5mA, △ I=I2-I1, wherein I1For axial-flow fan table
The electric current passed through when the free from dust of face, I2Electric current for the axial-flow fan detected.In this way, can be used to know axial-flow fan surface
Dust stratification degree.
In the present embodiment, control axial-flow fan rotates backward, and keeps the contact area of flabellum and cleaning brush larger, cleans effect
Fruit is preferable.
Optionally, first control unit 822, are also used to the judging result according to judging unit, and control retaining piece closes gas
Circulation road.
Optionally, first control unit controls retaining piece and turns to from third direction according to the judging result of judging unit
Fourth direction closes airflow channel.In this way, when cleaning axial-flow fan, can blocks dust blow out from airflow channel.
Optionally, as shown in Fig. 2, third direction is parallel to dust collecting structure.Flapper can reduce pair to third direction
The interference of air-flow.
Optionally, as shown in figure 4, the angle of fourth direction and horizontal direction is α, 20 °≤α≤60 °.In this way, not only may be used
With blocks dust, moreover it is possible to import the dust dropped down on baffle in dust collecting structure.
In embodiments disclosed herein, it should be understood that disclosed method, product (including but not limited to device, set
It is standby etc.), it may be implemented in other ways.For example, the apparatus embodiments described above are merely exemplary, for example,
The division of the unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple
Unit or assembly can be combined or can be integrated into another system, or some features can be ignored or not executed.It is another
Point, shown or discussed mutual coupling, direct-coupling or communication connection can be through some interfaces, device or
The indirect coupling or communication connection of unit can be electrical property, mechanical or other forms.It is described single as illustrated by the separation member
Member may or may not be physically separated, and component shown as a unit may or may not be physics
Unit, it can it is in one place, or may be distributed over multiple network units.It can select according to the actual needs
Some or all of unit therein achieves the purpose of the solution of this embodiment.In addition, in each embodiment of the present invention each
Functional unit can integrate in one processing unit, is also possible to each unit and physically exists alone, can also be two or two
A above unit is integrated in one unit.
It should be understood that the flow chart and block diagram in the drawings show the system of multiple embodiments according to the present invention,
The architecture, function and operation in the cards of method and computer program product.In this regard, in flowchart or block diagram
Each box can represent a part of a module, section or code, a part packet of the module, section or code
Containing one or more executable instructions for implementing the specified logical function.It should also be noted that in some realities as replacement
In existing, function marked in the box can also occur in a different order than that indicated in the drawings.For example, two continuous sides
Frame can actually be basically executed in parallel, they can also be executed in the opposite order sometimes, this according to related function and
It is fixed.It is also noted that the group of each box in block diagram and or flow chart and the box in block diagram and or flow chart
It closes, can be realized with the dedicated hardware based system for executing defined function or movement, or specialized hardware can be used
Combination with computer instruction is realized.The invention is not limited to the process for being described above and being shown in the accompanying drawings and knots
Structure, and various modifications and changes may be made without departing from the scope thereof.The scope of the present invention only by the attached claims Lai
Limitation.
Claims (10)
1. a kind of air conditioner indoor unit, including housing, the housing is interior to be arranged axial-flow fan, which is characterized in that further include:
In the axial-flow fan side, along the cleaning brush of axial-flow fan length extending direction setting；
First driving mechanism makes the brush of the cleaning brush for driving the cleaning brush to turn to second direction from first direction
Hair is in contact with the flabellum of the axial-flow fan in this second direction.
2. air conditioner indoor unit according to claim 1, which is characterized in that the cleaning brush includes first rotating shaft, and described
One shaft extends along the axial-flow fan length direction, and the first rotating shaft is equipped with bristle.
3. air conditioner indoor unit according to claim 1, which is characterized in that casing interior further includes dust collecting structure, the collection
Dirt structure setting is in the lower section of the cleaning brush.
4. air conditioner indoor unit according to claim 3, which is characterized in that between the dust collecting structure and the axial-flow fan
Airflow channel is set, and the airflow channel is connected to the air outlet of the housing, in the housing further include: retaining piece and second
Driving mechanism, second driving mechanism are connect with the retaining piece, and the second driving mechanism driving retaining piece rotation is to hide
Keep off the airflow channel.
5. air conditioner indoor unit according to claim 4, which is characterized in that the retaining piece includes: the second shaft and baffle,
Second shaft extends along the axial-flow fan length direction, and the baffle plate setting is in second shaft, and described second
Driving mechanism drives the second shaft rotation so that the baffle blocks the airflow channel.
6. air conditioner indoor unit according to claim 1, which is characterized in that the dust collecting structure is drip tray.
7. a kind of control method of air conditioner indoor unit is used for such as air conditioner indoor unit according to any one of claims 1 to 6,
It is characterized in that, comprising:
The electric current of the motor of detection driving axial-flow fan rotation；
The dust stratification degree on axial-flow fan surface is judged according to current conditions；
According to the dust stratification degree on axial-flow fan surface, controls air conditioner indoor unit and start cleaning modes.
8. the control method of air conditioner indoor unit according to claim 7, which is characterized in that described according to axial-flow fan surface
Dust stratification degree, control starting of air conditioner cleaning modes, comprising:
Control cleaning brush turns to second direction, and controls axial-flow fan and rotate backward.
9. the control method of air conditioner indoor unit according to claim 8, it is characterised in that when the dust stratification on axial-flow fan surface
It when degree reaches preset condition, further include that control retaining piece closes airflow channel.
10. a kind of control device of air conditioner indoor unit characterized by comprising
Current sensor, the electric current of the motor for detecting driving axial-flow fan rotation；
Controller judges the dust stratification degree on axial-flow fan surface according to current conditions, and according to the dust stratification journey on axial-flow fan surface
Degree, control air conditioner indoor unit start cleaning modes.
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| CN201811277738.7A CN109323330B (en) | 2018-10-30 | 2018-10-30 | Air conditioner indoor unit, control method and control device |
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| CN201811277738.7A CN109323330B (en) | 2018-10-30 | 2018-10-30 | Air conditioner indoor unit, control method and control device |
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| CN109827246A (en) * | 2019-03-26 | 2019-05-31 | 广州华凌制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
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| CN110608468A (en) * | 2019-06-17 | 2019-12-24 | 宁波奥克斯电气股份有限公司 | Air conditioner fan blade dust collector and air conditioner |
| CN111089414A (en) * | 2019-12-03 | 2020-05-01 | 珠海格力电器股份有限公司 | Cleaning assembly, indoor unit cleaning method, indoor unit and air conditioner |
| WO2020253346A1 (en) * | 2019-06-17 | 2020-12-24 | 宁波奥克斯电气股份有限公司 | Air conditioner fan blade dust removing device and method, and air conditioner |
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| CN112484151B (en) * | 2020-11-19 | 2021-11-05 | 珠海格力电器股份有限公司 | Air conditioner |
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| CN112682844A (en) * | 2020-12-24 | 2021-04-20 | Tcl空调器(中山)有限公司 | Wind wheel cleaning mechanism and air conditioner |
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Effective date of registration: 20201230 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. |
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