CN111720893A - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN111720893A CN111720893A CN202010522984.5A CN202010522984A CN111720893A CN 111720893 A CN111720893 A CN 111720893A CN 202010522984 A CN202010522984 A CN 202010522984A CN 111720893 A CN111720893 A CN 111720893A
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- Prior art keywords
- filter screen
- heat exchanger
- air conditioner
- driving device
- driving
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
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- 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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The application relates to the technical field of refrigeration equipment, and discloses an air conditioner, including: an air conditioner main body including a heat exchanger; the filter screen is arranged on one side of the heat exchanger, and at least part of the filter screen is attached to the heat exchanger; and the driving device is in driving connection with the filter screen and is configured to drive the filter screen to move between a first position and a second position relative to the heat exchanger, wherein, in the first position, a first area of the filter screen is attached to the heat exchanger, in the second position, a second area of the filter screen is attached to the heat exchanger, and at least part of the first area and the second area are not overlapped, so that the cleaning of different positions of the filter screen can be realized in the first position and the second position, the cleaning effect of the filter screen is improved, and the cleaning blind zone on the filter screen is avoided.
Description
Technical Field
The application relates to the technical field of refrigeration equipment, for example to an air conditioner.
Background
The filter screen of the air conditioner is not cleaned for a long time, dust and the like can be accumulated on the surface of the filter screen, and mildew is easy to breed in a humid environment to influence the indoor air quality. Meanwhile, if the meshes of the filter screen are blocked, the circulating air volume of the air conditioner can be reduced, and the refrigerating and heating effects of the air conditioner are influenced.
At present, the filter screen is cleaned by a brush, in the cleaning mode, the filter screen is driven by a driving wheel to reciprocate around a driving gear in a preset track, the periphery of the filter screen is provided with a rotatable brush, the brush hair is contacted with the filter screen, and the filter screen and the brush hair move relatively, so that the brush hair can remove dust and the like on the surface of the filter screen.
The existing brush cleaning mode needs to be provided with a dust collecting box for collecting dust on the surface of a filter screen, and mainly has the following defects: the dust collecting box is easy to grow mildew for a long time and needs to be taken out and cleaned regularly.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides an air conditioner, which aims to solve the problems that a dust collecting box is easy to breed bacteria and needs to be cleaned regularly in the existing brush cleaning mode.
According to an embodiment of the present invention, there is provided an air conditioner including: an air conditioner main body including a heat exchanger; the filter screen is arranged on one side of the heat exchanger, and at least part of the filter screen is attached to the heat exchanger; and a drive arrangement in driving connection with the filter screen and configured to drive the filter screen to move relative to the heat exchanger between a first position in which a first region of the filter screen is in abutment with the heat exchanger and a second position in which a second region of the filter screen is in abutment with the heat exchanger, the first and second regions being at least partially non-coincident.
The air conditioner provided by the embodiment of the disclosure can realize the following technical effects:
in the first position, the first area of the filter screen is in contact with the heat exchanger, i.e. the first area is in contact with the surface of the heat exchanger, so that the first area of the filter screen can be cleaned simultaneously with the cleaning of the heat exchanger, in other words, the cleaning of the filter screen is synchronized with the cleaning of the heat exchanger. When the driving device drives the filter screen to the second position, in the second position, the second area of the filter screen is attached to the heat exchanger, namely the second area is attached to the surface of the heat exchanger, so that the second area of the filter screen can be cleaned while the heat exchanger is cleaned, in other words, the cleaning of the filter screen and the cleaning of the heat exchanger are performed synchronously.
On one hand, the filter screen can be driven to the first position and the second position through the driving device, and the first area and the second area are cleaned at the first position and the second position respectively, so that the cleaning mode of the filter screen is simple and convenient, and the defect of a brush cleaning mode in the prior art is avoided; on the other hand, when the filter screen is cleaned, the defects that the filter screen and the heat exchanger need to be cleaned respectively are overcome, and the cleaning efficiency of the filter screen and the heat exchanger is improved.
The first region and the second region are at least partially not overlapped, so that the different positions of the filter screen can be cleaned at the first position and the second position, the cleaning effect on the filter screen is improved, and the cleaning blind area on the filter screen is avoided.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
fig. 1 is a schematic cross-sectional structural view of an air conditioner according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a filter screen according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a torsion spring according to an embodiment of the present disclosure;
fig. 4 is a schematic view of another filter screen and driving device matching structure provided by the embodiment of the disclosure;
fig. 5 is a schematic view of a matching structure of a filter screen and a driving device according to an embodiment of the disclosure;
fig. 6 is a schematic view of a matching structure of a filter screen and a driving device according to another embodiment of the disclosure;
fig. 7 is a schematic view of a matching structure of a filter screen and a driving device according to another embodiment of the disclosure.
Reference numerals:
the air conditioner comprises an air conditioner main body 10, a shell 101, an installation space 102, a heat exchanger 20, a first heat exchange section 201, a second heat exchange section 202, a third heat exchange section 203, a recess 204, a first driving device 40, a first rotating shaft 401, a second driving device 50, a second rotating shaft 501, a filter screen 60, a first end part 601, a second end part 602, a coil spring 70, a first magnetic attraction part 80, a second magnetic attraction part 90, a torsion spring 100 and a moving device 200.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.
In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.
The term "plurality" means two or more unless otherwise specified.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.
Referring to fig. 1 to 7, an embodiment of the present disclosure provides an air conditioner, which may be a wall-mounted air conditioner or a cabinet air conditioner. The following description will specifically take a wall-mounted air conditioner as an example.
The air conditioner includes an air conditioner main body 10, a filter screen 60, and a driving device. The air conditioner main body 10 includes a heat exchanger 20, a wind wheel or a fan, and a case 101. Casing 101 defines installation space 102, and heat exchanger 20 and filter screen 60 set up in installation space 102, and filter screen 60 sets up in one side of heat exchanger 20, and at least part filter screen 60 pastes to and leans on with heat exchanger 20, and under the condition of cleaning filter screen 60 and not cleaning filter screen 60, filter screen 60 pastes to and leans on with heat exchanger 20 all the time, in other words, no matter filter screen 60 is in the state of cleaning, filter screen 60 pastes to and leans on with heat exchanger 20 all the time.
An air outlet communicated with the installation space 102 is formed in the casing 101, and air is blown out through the air outlet after sequentially passing through the filter screen 60 and the heat exchanger 20 under the action of a wind wheel or a fan. The air outlet is provided with an air deflector for adjusting the air outlet direction of the air outlet, and the filter screen 60 is used for filtering the air passing through the filter screen 60.
The filter 60 is disposed at one side of the heat exchanger 20, and at least a portion of the filter 60 abuts against the heat exchanger 20. The term "abutting" includes both the case where the filter 60 abuts against the surface of the heat exchanger 20 (i.e., the distance between the filter 60 and the heat exchanger 20 is zero) and the case where the distance between the filter 60 and the heat exchanger 20 is small. For example, as shown in fig. 1, the filter 60 is disposed above the heat exchanger 20 and attached to the upper surface of the heat exchanger 20, and the distance between the filter 60 and the heat exchanger 20 is zero. The smaller distance between the filter screen 60 and the heat exchanger 20 means that the distance satisfies the requirement that the frosting and the defrosting of the filter screen 60 can be driven by the frosting and the defrosting of the heat exchanger 20, and then the filter screen 60 is cleaned by the frosting and the defrosting of the filter screen 60.
The drive arrangement is in driving connection with the filter 60 and is configured to drive the filter 60 relative to the heat exchanger 20 between a first position, in which a first area of the filter 60 abuts the heat exchanger 20, and a second position, in which a second area of the filter 60 abuts the heat exchanger 20, the first and second areas being at least partially non-coincident.
Adopt the air conditioner that this disclosed embodiment provided, filter screen 60 pastes and leans on heat exchanger 20 surface, filter screen 60 laminates mutually with heat exchanger 20 (the distance between filter screen 60 and the heat exchanger 20 is zero) and the distance between filter screen 60 and the heat exchanger 20 is less (this distance is less than the distance between operating position filter screen 60 and the heat exchanger 20), can utilize frosting of heat exchanger 20 to change the frosting of frost realization filter screen 60 and change the frost, thereby can realize the washing to filter screen 60 when wasing heat exchanger 20, thereby the washing mode to filter screen 60 is simple, and improved the clean efficiency to filter screen 60 and heat exchanger 20, user's action has been reduced, the drawback that the cleanness of filter screen 60 and the cleanness of heat exchanger 20 need to go on respectively has been avoided.
Because the filter screen 60 is attached to the heat exchanger 20 all the time, the rotating speed of the fan or the wind wheel motor can be increased, the air quantity of the fan or the wind wheel can be increased, the air quantity of the air conditioner during operation can be ensured, and the wind resistance can be ensured.
Under the condition of guaranteeing the windage, filter screen 60 tightly attaches on heat exchanger 20 surface, accomplishes coarse filtration, carries out the surface frosting when the surface collection volume reaches the certain degree and washs, through frosting and changing the frost, washes and disinfect filter screen 60 surface dust, and the water melting after the final frost flows to the water collector, and the flow direction is outdoor, need not the user and moves.
In the first position, first region pastes with heat exchanger 20 mutually and leans on, thereby can utilize frosting of heat exchanger 20 to frost and change the frost of the first region of filter screen 60, thereby can realize the washing to filter screen 60 first region when wasing heat exchanger 20, thereby it is simple to the washing mode of filter screen 60, and improved the clean efficiency to filter screen 60 and heat exchanger 20, user's action has been reduced, the drawback that the cleanness of filter screen 60 and the clean needs of heat exchanger 20 were carried out respectively is avoided.
In the second position, the second region is leaned on with heat exchanger 20 mutually, thereby can utilize the frosting of heat exchanger 20 to change the frosting of the second region that the frost realized filter screen 60, thereby can realize the washing to the filter screen 60 second region when wasing heat exchanger 20, thereby the washing mode to filter screen 60 is simple, and improved the clean efficiency to filter screen 60 and heat exchanger 20, user's action has been reduced, the drawback that the clean needs of the clean of filter screen 60 and heat exchanger 20 were carried out respectively is avoided.
Specifically, when needing to wash first region or second area, the user moves through the remote controller, the sensor receives filter screen 60 and cleans the signal, the air conditioner includes the controller, controller control drive arrangement drives filter screen 60 and moves to first position or second position, heat exchanger 20 carries out the state of frosting, stretch cold volume and frost layer to first region or second area on, it is not hard up with first region or second area surface dust finally to utilize frosting, when the frost layer reaches certain thickness, the process of defrosting, the cross valve of air conditioner commutates, heat exchanger 20 switches into the heating state, defrost, form rivers and wash the filter screen 60 surface, finally reach abluent effect, normally get into the running state after the washing finishes.
The heat exchanger 20 is typically bent or spliced into a shape to surround the fan for heat exchange. Because of bending or splicing, the surface of the heat exchanger 20 is provided with the recess 204, when the filter screen 60 is attached to the heat exchanger 20, a part of the filter screen 60 corresponding to the recess 204 is suspended and cannot frost together with the heat exchanger 20, and the filter screen 60 in the region cannot be cleaned and has a cleaning blind area.
Because the first area and the second area have parts which are not overlapped, different parts of the filter screen 60 can be cleaned at the first position and the second position, and the part of the filter screen 60 which is not cleaned at the first position can be cleaned at the second position, so that the filter screen 60 can be cleaned comprehensively, and the cleaning effect on the filter screen 60 is improved.
Alternatively, as shown in fig. 1 and 2, filter screen 60 includes a first end 601 and a second end 602 disposed opposite to each other; the drive means comprises a first drive means 40 and a second drive means 50. The first driving device 40 is in driving connection with the first end 601; the second drive means 50 is drivingly connected to the second end portion 602 and cooperates with the first drive means 40 to drive the filter screen 60 along the surface of the heat exchanger 20 between the first and second positions.
The first driving device 40 is disposed near the first end 601, the second driving device 50 is disposed near the second end 602, and the first end 601 and the second end 602 are disposed oppositely, so that on one hand, the first driving device 40 and the second driving device 50 are disposed oppositely, so that the first driving device 40 and the second driving device 50 have a larger installation space, and the installation positions of the first driving device 40 and the second driving device 50 are prevented from interfering; on the other hand, the cooperation of the first driving device 40 and the second driving device 50 is more facilitated, and the reciprocating motion of the filter screen 60 between the first position and the second position is realized.
Optionally, as shown in fig. 1, the surface of the heat exchanger 20 has a recess 204, the first end 601 and the second end 602 are opposite ends of the filter screen 60 in the width direction, and the driving device drives the filter screen 60 to move along the width direction of the filter screen 60, so that when the filter screen 60 is located at different positions, different areas on the filter screen 60 correspond to the recess 204, and thus, at different positions, different parts of the filter screen 60 can be cleaned. Alternatively, one of the first end 601 and the second end 602 is a front end of the filter 60, and the other is a rear end of the filter 60, wherein the front-rear direction is a width direction of the filter 60.
The driving device can also drive the filter screen 60 to move along a direction which forms a non-angle with the width direction, in other words, the driving device can drive the filter screen 60 to move along a non-length direction, and when the filter screen 60 is located at different positions, different areas on the filter screen 60 correspond to the depressions 204, so that different parts of the filter screen 60 can be cleaned at different positions.
Optionally, the driving device drives the filter screen 60 to move between the first position and the second position along the surface of the heat exchanger 20, in other words, at least a partial area of the filter screen 60 is always in contact with the heat exchanger 20 during the driving device drives the filter screen 60 to move, optionally, the distance between the filter screen 60 and the surface of the heat exchanger 20 is kept constant during the driving device drives the filter screen 60 to move, for example, the filter screen 60 is always in contact with the surface of the heat exchanger 20 during the driving device drives the filter screen 60 to move, and the distance between the filter screen 60 and the heat exchanger 20 is always zero.
With respect to the specific forms of the first driving device 40 and the second driving device 50, in a first specific embodiment, the first driving device 40 includes a moving device 200, and the moving device 200 is in driving connection with the first end 601 and configured to move the first end 601 between a first position and a second position; the second drive means 50 comprises a tensioning means, which is connected to the second end 602; wherein, in the process of driving the filter screen 60 to move by the driving device, the driving direction of the second end portion 602 by the tensioning device is opposite to the driving direction of the first end portion 601 by the moving device 200, so as to tension the filter screen 60.
Moving device 200 moves first end 601 between the first position and the second position to power the movement of filter 60, thereby moving filter 60 between the first position and the second position. The force applied by the tensioning device to the second end portion 602 is opposite to the force applied by the moving device 200 to the first end portion 601, so that the filter screen 60 can be tensioned, the filter screen 60 is flat, and when the filter screen 60 is attached to the heat exchanger 20 (the distance between the filter screen 60 and the heat exchanger 20 is zero), the filter screen 60 can be tensioned, so that the filter screen 60 can be closely attached to the surface of the heat exchanger 20. The moving device 200 and the tensioning device can make the filter screen cling to the surface of the heat exchanger 20, and can move the filter screen 60 to eliminate the blind zone cleaned by the filter screen 60.
The moving device 200 comprises a rotating shaft, the first end 601 can be wound on the rotating shaft, and the filter screen 60 is driven by the moving device 200 to move between the first position and the second position by changing the winding length of the first end 601 on the rotating shaft. Alternatively, the moving device 200 pulls the first end portion 601 to move along a straight line or a curved line (non-winding), for example, the moving device 200 is a rack and pinion mechanism, a cam mechanism, a lead screw nut mechanism, a linear motor, an electromagnetic push rod, a belt transmission, a link slider, or the like, and the first end portion 601 moves along a straight line or a curved line. Alternatively, the moving device 200 includes a rotating shaft, the first end 601 can be wound on the rotating shaft, the winding length of the first end 601 on the rotating shaft can be changed, and the moving device 200 can also pull the first end 601 to move along a straight line or a curve (non-winding).
The tightening device flexible connector includes an elastic member, or the flexible connector includes a first magnetic engaging member 80 and a second magnetic engaging member 90.
For example, as shown in fig. 6 and 7, the moving device 200 includes a motor and a rotating shaft, the motor drives the rotating shaft to rotate, the first end 601 is connected to the rotating shaft and can be wound on the rotating shaft, the tightening device includes a first magnetic attraction part 80 and a second magnetic attraction part 90, the first magnetic attraction part 80 is disposed on the second end 602, the second magnetic attraction part 90 is disposed on the air conditioner body, the air conditioner body includes a framework, and the second magnetic attraction part 90 can be disposed on the framework. One of the first magnetic engaging member 80 and the second magnetic engaging member 90 may be a magnet, and the other may be a magnet or a magnetic metal, and the first magnetic engaging member 80 and the second magnetic engaging member 90 are attracted to each other. The filter 60 is attracted to the initial position (first position) by the attractive force between the first magnetic engaging member 80 and the second magnetic engaging member 90.
When the rotating shaft rotates to wind or release the filter screen 60, the distance between the first magnetic attraction part 80 and the second magnetic attraction part 90 changes, but the first magnetic attraction part 80 and the second magnetic attraction part 90 always have attraction force, so that the filter screen 60 can move between the first position and the second position by clinging to the surface of the heat exchanger 20.
For another example, as shown in fig. 4 and 5, the moving device 200 includes a motor and a rotating shaft, the motor drives the rotating shaft to rotate, and the first end 601 is connected to the rotating shaft and can be wound around the rotating shaft.
The second end 602 is connected to one end of an elastic member (e.g., a coil spring 70, a spring plate, or an elastic string), and the other end of the elastic member is connected to the air conditioner body.
When the motor drives the rotating shaft to rotate and the filter screen 60 is curled, the elastic piece extends along with the movement of the filter screen 60, or when the motor drives the rotating shaft to rotate and the filter screen 60 is released, the elastic piece can be contracted and pull the filter screen 60, so that the filter screen 60 is reset. Due to the elastic member, the filter screen 60 can be moved against the surface of the heat exchanger 20.
For another example, the moving device 200 includes a rack-and-pinion mechanism and a motor, the motor is drivingly connected to a gear, the gear drives the rack to engage with the gear, the rack is disposed at the first end 601, the motor drives the gear to rotate, the gear drives the rack to move, so as to drive the filter screen 60 to move, the tightening device includes an elastic member, the second end 602 is connected to one end of the elastic member (e.g., the coil spring 70, the elastic piece, or the elastic string), and the other end of the elastic member is connected to the air conditioner body.
When the motor drives the gear to rotate and drives the filter screen 60 to move in the direction away from the elastic member, the elastic member extends along with the movement of the filter screen 60. When the motor rotates in the reverse direction, the filter screen 60 is reset under the action of the elastic member. Due to the elastic member, the filter screen 60 can be moved against the surface of the heat exchanger 20.
In a second specific embodiment, the first driving device 40 includes a first moving device, the first moving device is in driving connection with the first end 601, and the first moving device is configured to move the first end 601 between a first position and a second position; the second driving device 50 includes a second moving device, the second moving device is in driving connection with the second end 602, and the second moving device is configured to move the second end 602 between the first position and the second position; during the process of driving the filter screen 60 by the driving device, the driving direction of the second end portion 602 by the second driving device 50 is the same as the driving direction of the first end portion 601 by the first driving device 40.
The first moving means powers the movement of the first end 601, the second moving means powers the movement of the second end 602, and the direction of the power provided to the first end 601 by the first moving means is the same as the direction of the power provided to the second end 602 by the second driving, so that the first moving means and the second moving means drive the filter screen 60 to move in the same direction. The first moving device and the second moving device can enable the filter screen to be tightly attached to the surface of the heat exchanger 20, and can move the filter screen 60 to eliminate blind areas cleaned by the filter screen 60.
The first moving device comprises a first rotating shaft 401, the first end 601 can be wound on the first rotating shaft 401, and the first moving device drives the filter screen 60 to move between the first position and the second position by changing the winding length of the first end 601 on the first rotating shaft 401. Alternatively, the first moving device pulls the first end portion 601 to move along a straight line or a curved line (non-winding), for example, the first moving device is a first rack and pinion mechanism, a first cam mechanism, a first lead screw nut mechanism, a first linear motor, a first electromagnetic push rod, a first belt transmission, a first link slider, or the like, and the first end portion 601 moves along a straight line or a curved line. Alternatively, the first moving device comprises a rotating shaft, the first end 601 can be wound on the first rotating shaft 401, the winding length of the first end 601 on the first rotating shaft 401 can be changed, and the first moving device can also pull the first end 601 to move along a straight line or a curve (non-winding).
The second moving device includes a second rotating shaft 501, the second end portion 602 can be wound on the second rotating shaft 501, and the second moving device drives the filter screen 60 to move between the first position and the second position by changing the winding length of the second end portion 602 on the second rotating shaft 501. Alternatively, the second moving device pulls the second end portion 602 to move along a straight line or a curved line (non-winding), for example, the second moving device is a second rack and pinion mechanism, a second cam mechanism, a second lead screw and nut mechanism, a second linear motor, a second electromagnetic push rod, a second belt transmission, a second link slider, or the like, so as to realize that the second end portion 602 moves along a straight line or a curved line. Alternatively, the second moving device includes a rotating shaft, the second end 602 can be wound on the second rotating shaft 501, the winding length of the second end 602 on the second rotating shaft 501 can be changed, and the second moving device can also pull the second end 602 to move along a straight line or a curve (non-winding).
For example, as shown in fig. 1, the first moving device includes a first motor and a first rotating shaft 401, the second moving device includes a second motor and a second rotating shaft 501, a first end 601 and a second end 602 are respectively connected to the first rotating shaft 401 and the second rotating shaft 501, and the first end 601 and the second end 602 can be respectively wound on the first rotating shaft 401 and the second rotating shaft 501, and the first motor and the second motor respectively drive the first rotating shaft 401 and the second rotating shaft 501 to rotate, so that the first rotating shaft 401 and the second rotating shaft 501 wind or release the filter screen 60.
The cleaning process of the filter screen 60 includes:
the filter 60 is in a first position (initial position) in which the first region abuts against the surface of the heat exchanger 20 (the first region abuts against the heat exchanger 20).
Through program control, the surface of the heat exchanger 20 is frosted, and the filter screen 60 is frosted synchronously.
The frosting process is completed, the heating mode is switched, and the water flow generated by defrosting is utilized to wash the surface of the filter screen 60.
The first rotating shaft 401 and the second rotating shaft 501 rotate clockwise or counterclockwise synchronously, so that the filter screen 60 moves relative to the surface of the heat exchanger 20, the filter screen 60 at the position corresponding to the recess 204 is moved to a position close to the surface of the heat exchanger 20, and the filter screen 60 reaches the second position.
Through program control, the surface of the heat exchanger 20 is frosted, and the filter screen 60 is frosted synchronously.
The frosting process is completed, the heating mode is switched, water flow generated by defrosting is utilized to wash the surface of the filter screen 60, and therefore the filter screen 60 at the position corresponding to the recess 204 is cleaned.
After the above cleaning processes are performed at least twice, the filter screen 60 is completely cleaned without a cleaning blind area.
The first motor and the second motor rotate in opposite directions, so that the first rotating shaft 401 and the second rotating shaft 501 rotate in opposite directions, and the filter screen 60 is driven to reset to an initial position.
For another example, as shown in fig. 3, the first moving device includes a motor and a first rotating shaft 401, the motor drives the first rotating shaft 401 to rotate, a first end 601 is connected to the first rotating shaft 401 and can be wound around the first rotating shaft 401, the second moving device includes a second rotating shaft 501 and a torsion spring 100, the second rotating shaft 501 is connected to the torsion spring 100, the torsion spring 100 is sleeved outside the second rotating shaft 501, the second rotating shaft 501 passes through the center of the torsion spring 100, the second rotating shaft 501 is fixedly connected to the torsion spring 100, and in a first position (initial position), the second end 602 is wound around the second rotating shaft 501.
The cleaning process of the filter screen 60 includes:
the filter screen 60 is in an initial position, and the first region is closely attached to the surface of the heat exchanger 20.
Through program control, the surface of the heat exchanger 20 is frosted, and the filter screen 60 is frosted synchronously.
The frosting process is completed, the heating mode is switched, and the water flow generated by defrosting is utilized to wash the surface of the filter screen 60.
The motor drives the first rotating shaft 401, and the filter screen 60 is wound on the first rotating shaft 401. The second rotating shaft 501 rotates along with the rotation, and the filter screen 60 wound on the second rotating shaft 501 is synchronously released.
The filter 60 moves along the surface of the heat exchanger 20 near the first rotating shaft 401, the filter 60 at the position corresponding to the recess 204 is moved to a position close to the surface of the heat exchanger 20, and the filter 60 is moved to the second position.
Through program control, the surface of the heat exchanger 20 is frosted, and the filter screen 60 is frosted synchronously.
The frosting process is completed, the heating mode is switched, and the water flow generated by defrosting is utilized to wash the surface of the filter screen 60.
The filter screen 60 is completely cleaned through the above cleaning processes at least twice.
The motor antiport for first pivot 401 antiport releases filter screen 60, and under torsion spring 100 effect, second pivot 501 antiport accomodates filter screen 60, drives filter screen 60 and resets to the first position.
The above motor and torsion spring 100 positions may be interchanged.
For another example, the first moving device includes a motor and a first rotating shaft 401, the motor drives the first rotating shaft 401 to rotate, the first end 601 is connected to the first rotating shaft 401 and wound around the first rotating shaft 401, the second moving device includes a second rotating shaft 501 and a torsion spring 100, the second rotating shaft 501 is connected to the torsion spring 100, the torsion spring 100 is sleeved outside the second rotating shaft 501, the second rotating shaft 501 passes through the center of the torsion spring 100, the second rotating shaft 501 is fixedly connected to the torsion spring 100, and the second end 602 can be wound around the second rotating shaft 501.
The cleaning process of the filter screen 60 includes:
the filter 60 is located at an initial position (first position), and the first region is closely attached to the surface of the heat exchanger 20.
Through program control, the surface of the heat exchanger 20 is frosted, and the filter screen 60 is frosted synchronously.
The frosting process is completed, the heating mode is switched, and the water flow generated by defrosting is utilized to wash the surface of the filter screen 60.
The motor drives the first rotating shaft 401 to release the filter 60 wound on the first rotating shaft 401. The second shaft 501 is driven by the torsion spring 100 to rotate, and the second end 602 is wound around the second shaft 501, and is wound around the filter screen 60.
The filter 60 moves along the surface of the heat exchanger 20 toward the second rotating shaft 501, the filter 60 at the position corresponding to the recess 204 is moved to a position close to the surface of the heat exchanger 20, and the filter 60 is moved to the second position.
Through program control, the surface of the heat exchanger 20 is frosted, and the filter screen 60 is frosted synchronously.
The frosting process is completed, the heating mode is switched, and the water flow generated by defrosting is utilized to wash the surface of the filter screen 60.
The filter screen 60 is completely cleaned through the above cleaning processes at least twice.
The motor rotates reversely, so that the first rotating shaft 401 rotates reversely to wind the filter screen 60, and under the action of the torsion spring 100, the second rotating shaft 501 rotates reversely to release the filter screen 60, so as to drive the filter screen 60 to reset to the first position.
The above motor and torsion spring 100 positions may be interchanged.
Optionally, the air conditioner further comprises a limiting part, and the limiting part is arranged on the filter screen 60 and/or the driving device; the air conditioner main body 10 further includes a limit fitting part, and the limit fitting part is fitted with the limit part at the first position or the second position to limit the filter screen 60 at the first position or the second position.
In the process that the driving device drives the filter screen 60 to move between the first position and the second position, the filter screen 60 can accurately reach the first position or the second position through the matching of the limiting part and the limiting matching part.
Optionally, in the first position or the second position, the limiting portion abuts against the limiting matching portion to limit the driving device and/or the filter screen 60, so that the driving device and/or the filter screen 60 is prevented from moving continuously, and the filter screen 60 is accurately stopped at the first position or the second position.
For example, one of the limit part and the limit fitting part includes a limit protrusion, and the other includes a limit switch, and the limit switch is turned on or off by the collision of the limit protrusion with the limit switch, so as to prevent the driving device and/or the filter screen 60 from moving further, and the filter screen 60 is accurately stopped at the first position or the second position.
For another example, one of the limiting part and the limiting matching part comprises a first limiting protrusion, the other comprises a second limiting protrusion, and the first limiting protrusion and the second limiting protrusion are abutted at the first position or the second position, so that the second limiting protrusion can prevent the first limiting protrusion from moving continuously, and the filter screen can be accurately stopped at the first position or the second position.
Alternatively, as shown in FIG. 1, the heat exchanger 20 includes a first heat exchange section 201 and a second heat exchange section 202.
The second heat exchange section 202 is connected with the first heat exchange section 201, and a bevel is arranged at the connection position; wherein in the first position, a portion of the filter 60 corresponds to the break angle, and the second region includes the portion of the filter 60 corresponding to the break angle in the first position.
In the first position, the filter 60 corresponding to the fold (at the recess 204) cannot abut the heat exchanger 20 and is therefore not cleaned. Since the second area includes the filter screen 60 corresponding to the break angle at the first position, the filter screen 60 corresponding to the break angle at the first position can be cleaned at the second position, thereby realizing the overall cleaning of the filter screen 60 and improving the cleaning effect of the filter screen 60.
Optionally, the second area includes all of filter 60 that is not cleaned in the first position, such that filter 60 that is not cleaned in the first position is all cleaned in the second position. It will be appreciated that more positions may be provided in addition to the first and second positions, with different areas of the screen 60 abutting the heat exchanger 20 at different positions. For example, a third position in which a third area of the filter 60 abuts the heat exchanger 20, such that the third area can be cleaned, including areas where no cleaning of the filter 60 is available in the first and second positions.
In the first position, the first zone comprises the region L1 abutting the first heat exchange section 201, the region L2 abutting the second heat exchange section 202, the region L1 and the region L2 are cleaned in the first position, but the region L3 at the junction of L1 and L2 is disposed corresponding to the break angle and the region L3 is not cleaned. After the cleaning of the region L1 and the region L2 is completed, the driving device drives the filter screen 60 to move downwards continuously to the second position, the region L3 moves downwards and abuts against the second heat exchange section 202, and in the second position, the region L3 is cleaned.
Alternatively, the controller is configured to control the driving device to drive the filter screen 60 to reciprocate along the width direction of the second heat exchange section 202, in other words, from the first position to the second position or from the second position to the first position, the driving device drives the filter screen 60 to reciprocate along the width direction of the heat exchanger 20, so that the filter screen 60 can be always abutted against the heat exchanger 20 in the first position and the second position.
Optionally, the heat exchanger 20 further comprises a third heat exchange section 203, the first heat exchange section 201 is located between the second heat exchange section 202 and the third heat exchange section 203, and a bend (a recess 204) is provided between the third heat exchange section 203 and the first heat exchange section 201. At least part of the filter screen 60 can also abut against the third heat exchange section 203 in the first position or the second position, and the part of the filter screen 60 abutting against the third heat exchange section 203 is cleaned by utilizing frosting of the third heat exchange section 203.
The cleaning of the filter screen 60 is carried out in two parts (at least two parts), which are respectively a first area and a second area, so that the problem of automatic cleaning of the air conditioner network is solved by comprehensively cleaning the filter screen 60, and the air conditioner parts do not need to be manually disassembled and assembled. The specific principle is that the filter screen 60 is attached to the heat exchanger 20, the filter screen 60 frosts together when the heat exchanger 20 frosts, and the filter screen 60 is washed by using condensed water during defrosting, so that the cleaning purpose is achieved.
Optionally, the air conditioner further comprises a controller connected to the driving device and configured to drive the filter 60 to move to the second position after the frost is formed and removed on the surface of the heat exchanger 20 and drive the filter 60 to return to the first position after the frost is formed and removed on the surface of the heat exchanger 20 in response to a cleaning command for cleaning the filter 60.
The controller is used to control the operation of the driving means to adjust the position of the filter screen 60 relative to the heat exchanger 20. For example, the first position is taken as the initial position. The filter screen 60 is located at the first position, when a cleaning instruction for cleaning the filter screen 60 is received, the controller controls the air conditioner to operate in a refrigeration mode, optionally, the air outlet is closed at the moment, the refrigeration mode is prevented from influencing the indoor temperature, the heat exchanger 20 frosts, the refrigeration quantity and frost are dispersed to the surface of the first area, the frost accumulation of the thickness of a frost layer ensures that the surface of the first area frosts, the frost forming process extrudes the dust on the surface of the first area, the extrusion of the dust on the surface of the first area is finally achieved, the dust on the first area is loosened, the adhesive force of the dust on the first area is reduced, then the controller controls the air conditioner to operate in a heating mode, optionally, the air outlet is closed at the moment, the heating mode is prevented from influencing the indoor temperature, the heat exchanger 20 defrosts, the frost layer forms water flow to wash the dust on the surface of the, the water flow with dust flows into the water receiving box and is discharged to the outside through the drain pipe, and the first area of the filter screen 60 is cleaned.
After the first area is cleaned, the controller controls the driving device to drive the filter screen 60 to move to the second position. In the second position, a second region of the filter screen 60 can abut against the heat exchanger 20. The controller controls the air conditioner to operate in a refrigeration mode, optionally, the air outlet is closed at the moment, the refrigeration mode is prevented from influencing the indoor temperature, the heat exchanger 20 frosts, the cooling capacity and the frost are diffused to the surface of the second area, the frost layer thickness is accumulated to ensure that the surface of the second area frosts, the process of frost formation extrudes the dust on the surface of the second area, finally, the extrusion of the dust on the surface of the second area is achieved, the dust on the second area is loosened, the adhesive force of the dust on the second area is reduced, and then the controller controls the air conditioner to operate in a heating mode, optionally, the air outlet is closed at this moment, the heating mode is prevented from influencing the indoor temperature, the heat exchanger 20 defrosts, the frost layer forms water flow to wash dust on the surface of the filter screen 60, the dust on the surfaces of the filter screen 60 and the heat exchanger 20 is taken away, the water flow with the dust flows into the water receiving box and is discharged outdoors through the drain pipe, and the cleaning of the second area of the filter screen 60 is completed.
After the first area and the second area are cleaned, the controller controls the driving device to drive the filter screen to reset to the first position, and preparation is made for normal refrigeration and heating of the air conditioner.
The controller is connected with the moving device 200, and the filter screen 60 is driven to move between the first position and the second position by the moving device 200, or the controller is connected with both the first moving device and the second moving device, and the filter screen 60 is driven to move between the first position and the second position by the first moving device and the second moving device.
Optionally, filter 60 is a flexible filter 60.
The flexible filter screen 60 has better deformability, and can move smoothly between a first position and a second position, so that the first area of the filter screen 60 is attached to the heat exchanger 20 at the first position and the second area of the filter screen 60 is attached to the heat exchanger 20 at the second position on the premise of not damaging the filter screen 60.
Optionally, the filter 60 is a plastic filter 60, such as a nylon filter 60 or a polyimide filter 60. It is understood that the filter screen 60 may also be a metal filter screen 60 with good deformability.
Optionally, the filter screen 60 is provided with a hydrophobic coating, so that the adhesion of dust on the filter screen 60 is small, and the separation of dust from the filter screen 60 is easy to realize.
The hydrophobic coating may be a fluoro/silicone material or other hydrophobic material, for example other synthetic high molecular melt polymers such as polyolefins, polycarbonates, polyamides, polyacrylonitriles, polyesters, non-fluorinated acrylates, molten paraffin and the like may also be rendered superhydrophobic in combination with certain processing techniques.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. An air conditioner, comprising:
an air conditioner main body including a heat exchanger;
the filter screen is arranged on one side of the heat exchanger, and at least part of the filter screen is attached to the heat exchanger; and
a drive arrangement in driving connection with the filter screen and configured to drive the filter screen to move relative to the heat exchanger between a first position in which a first region of the filter screen abuts the heat exchanger and a second position in which a second region of the filter screen abuts the heat exchanger, the first and second regions being at least partially non-coincident.
2. The air conditioner according to claim 1,
the filter screen comprises a first end part and a second end part which are oppositely arranged and connected;
the driving device includes:
the first driving device is in driving connection with the first end part; and
and the second driving device is in driving connection with the second end part and is matched with the first driving device so as to drive the filter screen to move between the first position and the second position.
3. The air conditioner according to claim 2,
the first driving device comprises a moving device which is in driving connection with the first end part and is configured to drive the first end part to move between the first position and the second position;
the second driving device comprises a tensioning device connected with the second end part;
in the process that the driving device drives the filter screen to move, the driving direction of the second end part by the tensioning device is opposite to the driving direction of the first end part by the moving device, so that the filter screen is tensioned.
4. The air conditioner according to claim 2,
the first driving device includes: a first moving device in driving connection with the first end portion and configured to move the first end portion between the first position and the second position;
the second driving device includes: the second moving device is in driving connection with the second end part and is configured to drive the second end part to move between the first position and the second position;
and in the process that the driving device drives the filter screen to move, the driving direction of the second end part by the second driving device is the same as the driving direction of the first end part by the first driving device.
5. The air conditioner according to claim 2,
the first end portion and the second end portion are opposite end portions in the width direction of the filter screen, and the driving device is configured to drive the filter screen to move in the width direction of the filter screen.
6. The air conditioner according to any one of claims 1 to 5, further comprising:
the limiting part is arranged on the filter screen and/or the driving device;
the air conditioner main part also comprises a limiting matching part, and the limiting matching part is matched with the limiting part at the first position or the second position so as to limit the filter screen at the first position or the second position.
7. The air conditioner according to any one of claims 1 to 5, wherein the heat exchanger comprises:
a first heat exchange section;
the second heat exchange section is connected with the first heat exchange section, and a folded angle is arranged at the joint;
wherein, in the first position, part of the filter screen corresponds to the break angle, and the second area comprises the part of the filter screen corresponding to the break angle in the first position.
8. The air conditioner according to any one of claims 1 to 5, further comprising:
and the controller is connected with the driving device and is configured to respond to a cleaning instruction for cleaning the filter screen, drive the filter screen to move to the second position after the frost is formed and removed on the surface of the heat exchanger, and drive the filter screen to return to the first position after the frost is formed and removed on the surface of the heat exchanger.
9. The air conditioner according to any one of claims 1 to 5,
the filter screen is a flexible filter screen.
10. The air conditioner according to any one of claims 1 to 5,
and the filter screen is provided with a hydrophobic coating.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010522984.5A CN111720893B (en) | 2020-06-10 | 2020-06-10 | Air conditioner |
| PCT/CN2020/130672 WO2021248841A1 (en) | 2020-06-10 | 2020-11-20 | Air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010522984.5A CN111720893B (en) | 2020-06-10 | 2020-06-10 | Air conditioner |
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| CN111720893A true CN111720893A (en) | 2020-09-29 |
| CN111720893B CN111720893B (en) | 2021-10-29 |
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| CN202010522984.5A Active CN111720893B (en) | 2020-06-10 | 2020-06-10 | Air conditioner |
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| CN (1) | CN111720893B (en) |
| WO (1) | WO2021248841A1 (en) |
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| CN115479402B (en) * | 2022-10-08 | 2024-08-02 | 浙江迈金环境科技股份有限公司 | Double source modular cold water (heat pump) unit |
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Also Published As
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| WO2021248841A1 (en) | 2021-12-16 |
| CN111720893B (en) | 2021-10-29 |
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