CN111578386A - A structure and air conditioner for air conditioner filter screen is automatically cleaned - Google Patents
A structure and air conditioner for air conditioner filter screen is automatically cleaned Download PDFInfo
- Publication number
- CN111578386A CN111578386A CN202010388123.2A CN202010388123A CN111578386A CN 111578386 A CN111578386 A CN 111578386A CN 202010388123 A CN202010388123 A CN 202010388123A CN 111578386 A CN111578386 A CN 111578386A
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- CN
- China
- Prior art keywords
- filter screen
- heat exchanger
- air conditioner
- cleaning
- cleaning position
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
Abstract
The application relates to the technical field of air conditioners, and discloses a structure for automatically cleaning a filter screen of an air conditioner, which comprises the following components: a filter screen comprising a first end and a second end; the driving device is in driving connection with the first end part and is configured to drive the filter screen to move towards the direction close to the heat exchanger of the air conditioner and can move to a first cleaning position and a second cleaning position, wherein in the first cleaning position, a first area of the filter screen is abutted against the heat exchanger, in the second cleaning position, a second area of the filter screen is abutted against the heat exchanger, and the first area and the second area are at least partially not overlapped; a length adjustment device connected with the second end portion and configured to adjust an uncontained length of the filter screen so that the filter screen can be moved to the first cleaning position and the second cleaning position. The application also discloses an air conditioner.
Description
Technical Field
The application relates to the technical field of air conditioners, in particular to a self-cleaning structure for a filter screen of an air conditioner and the air conditioner.
Background
At present, when the filter screen of the air conditioner is cleaned, dust on the filter screen needs to be concentrated on the dust collecting box, and the dust collecting box is manually disassembled and cleaned by a user, so that the filter screen cleaning step is complicated, the cleaning is inconvenient, the user experience is poor, and the cleaning effect of the filter screen is poor.
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 a structure for self-cleaning of a filter screen of an air conditioner and the air conditioner, and aims to solve the problems that in the prior art, the filter screen is complex in cleaning step, inconvenient to clean and poor in cleaning effect.
According to a first aspect of embodiments of the present invention, there is provided a self-cleaning structure for an air conditioner filter screen, the self-cleaning structure comprising: a filter screen comprising a first end and a second end; a drive device, which is in drive connection with the first end part and is configured to drive the filter screen to move towards the direction close to the heat exchanger of the air conditioner, and can move to a first cleaning position and a second cleaning position, wherein, in the first cleaning position, a first area of the filter screen is abutted with the heat exchanger, and in the second cleaning position, a second area of the filter screen is abutted with the heat exchanger, and the first area and the second area are at least partially not overlapped; a length adjustment device coupled with the second end configured to adjust an uncocked length of the filter screen to enable the filter screen to move to the first cleaning position and the second cleaning position.
According to a second aspect of the embodiments of the present invention, there is provided a self-cleaning structure for a filter screen of an air conditioner, including: a heat exchanger; and a structure for self-cleaning a filter screen for an air conditioner as described in any one of the embodiments of the first aspect, the filter screen being provided on one side of the heat exchanger.
The structure for self-cleaning of the filter screen of the air conditioner and the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:
when needs wash the filter screen, drive arrangement drive filter screen is to the direction motion of being close to the heat exchanger, and length adjusting device increases not taking in length of filter screen for the filter screen can move to first washing position. In the first cleaning position, the first region of the filter screen is in contact with the heat exchanger, i.e. the first region is in contact with the surface of the heat exchanger, so that the first region 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. After the first region is cleaned, the length of not accomodating of filter screen is adjusted through length adjusting device for drive arrangement can drive the filter screen and move to second cleaning position, and at second cleaning position, the second region of filter screen pastes with the heat exchanger mutually and leans on, and the second region pastes and leans on the heat exchanger surface promptly, consequently can realize the cleanness to the second region of filter screen when cleaning the heat exchanger, in other words, make the cleanness of filter screen go on in step with the cleanness of heat exchanger.
On one hand, the filter screen can be driven to a first cleaning position and a second cleaning position through the matching of the driving device and the length adjusting device, and the first area and the second area can be cleaned at the first cleaning position and the second cleaning position respectively, so that the cleaning mode of the filter screen is simple and convenient, and the defect that the dust on the filter screen needs to be concentrated on the dust collecting box and then the dust collecting box needs to be manually disassembled and cleaned 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 area and the second area are at least partially not overlapped, so that the different positions of the filter screen can be cleaned at the first cleaning position and the second cleaning position, and the cleaning effect on the filter screen is improved.
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 view of a self-cleaning structure for a filter screen of an air conditioner according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a first view angle of an air conditioner according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a second perspective view of an air conditioner according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a third perspective of an air conditioner according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a fourth view angle of an air conditioner according to an embodiment of the present disclosure;
FIG. 6 is a schematic view of another self-cleaning structure for a filter screen of an air conditioner according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a first view angle of another air conditioner provided by the embodiment of the disclosure;
fig. 8 is a second perspective view of another air conditioner according to an embodiment of the present disclosure;
fig. 9 is a schematic structural diagram of another air conditioner according to a third perspective provided in the embodiment of the present disclosure.
Reference numerals:
the heat exchanger comprises a shell 1, an installation space 11, a heat exchanger 2, a first heat exchange section 21, a second heat exchange section 22, a third heat exchange section 23, a folded angle 24, a filter screen 3, a filter screen body 31, a connecting line 32, a first end 33, a second end 34, a driving device 4, a length adjusting device 5, a winding wheel 51, a guide part 7 and a moving part 8.
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.
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 9, an embodiment of the present disclosure provides a self-cleaning structure for a filter screen 3 of 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 comprises a heat exchanger 2, a wind wheel or a fan, a shell 1 and a structure for self-cleaning of a filter screen 3 of the air conditioner, wherein the structure for self-cleaning of the filter screen 3 of the air conditioner comprises the filter screen 3, the filter screen 3 is arranged on one side of the heat exchanger 2, for example, as shown in figure 3, the filter screen 3 is arranged above the heat exchanger 2. Casing 1 injects installation space 11, and heat exchanger 2 and filter screen 3 set up in installation space 11, are equipped with the air outlet that is linked together with installation space 11 on casing 1, and under the effect of wind wheel or fan, the air blows off through the air outlet after filter screen 3, heat exchanger 2 in proper order.
As shown in fig. 1, the structure for self-cleaning of the filter net 3 of the air conditioner includes the filter net 3, a driving device 4, and a length adjusting device 5.
The filter sieve 3 comprises a first end 33 and a second end 34.
The drive means 4 is drivingly connected to the first end 33 and is configured to drive the filter screen 3 towards the heat exchanger 2 of the air conditioner and is movable to a first cleaning position, in which a first region of the filter screen 3 abuts the heat exchanger 2, and a second cleaning position, in which a second region of the filter screen 3 abuts the heat exchanger 2, the first and second regions being at least partially non-coincident.
The length adjustment device 5 is connected to the second end 34 and is configured to adjust an uncontained length of the filter screen 3 so that the filter screen 3 can be moved to the first cleaning position and the second cleaning position. As illustrated in fig. 2, the three positions of the filter screen are respectively a working position (a position of the filter screen during normal cooling and heating or a position of the filter screen in a non-cleaning state), a first cleaning position and a second cleaning position. The filter screen is marked 3-C at the working position, the corresponding driving device is 4-C, the filter screen is marked 3-A at the first cleaning position, the corresponding driving device is 4-A, and the corresponding driving device is 4-B at the second cleaning position. The filter screen is in an operative position as in fig. 3, in a first cleaning position as in fig. 4, and in a second cleaning position as in fig. 5.
Alternatively, the first end 33 and the second end 34 are oppositely arranged, so that the driving device 4 and the length adjustment device 5 are oppositely arranged. Therefore, when the first end portion 33 moves towards the direction close to the heat exchanger 2 under the driving of the driving device 4, the length of the filter screen 3 between the driving device 4 and the length adjusting device 5 needs to be changed, and the length adjusting device 5 is located at the second end portion 34, so that the length of the filter screen 3 between the driving device 4 and the length adjusting device 5 can be effectively changed, and the driving device 4 can stably drive the filter screen 3 to move towards the direction close to the heat exchanger 2. Alternatively, the first end 33 and the second end 34 are opposite ends of the filter web 3 in the width direction, respectively. As shown in fig. 2 to 5, the first end 33 is a front end of the filter web 3, and the second end 34 is a rear end of the filter web 3, but it is understood that the first end 33 may be a rear end of the filter web 3, and the second end 34 is a front end of the filter web 3, and the present invention is also within the scope of the present application.
As shown in fig. 4 and 5, when the filter screen 3 needs to be cleaned, the driving device 4 drives the filter screen 3 to move from the position in fig. 3 to a direction close to the heat exchanger 2, and during the movement, the length adjustment device 5 increases the length of the filter screen 3 which is not accommodated, so that the filter screen 3 can move to the direction close to the heat exchanger 2 and move to the first cleaning position or the second cleaning position which is close to the heat exchanger 2.
As shown in fig. 4, in first washing position, first region and heat exchanger 2 paste mutually and lean on, thereby can utilize the frosting of heat exchanger 2 to change the frosting of the first region of frost realization filter screen 3, thereby can realize the washing to filter screen 3 first region when wasing heat exchanger 2, thereby it is simple to the washing mode of filter screen 3, and improved the clean efficiency to filter screen 3 and heat exchanger 2, user's action has been reduced, the drawback of having avoided the cleanness of filter screen 3 and the clean needs of heat exchanger 2 to go on respectively.
As shown in fig. 5, rinse the position at the second, the second region pastes with heat exchanger 2 mutually and leans on, thereby can utilize the frosting of heat exchanger 2 to defrost and realize the frosting of the second region of filter screen 3, thereby can realize the washing to the filter screen 3 second region when rinsing heat exchanger 2, thereby it is simple to the washing mode of filter screen 3, and improved the clean efficiency to filter screen 3 and heat exchanger 2, user's action has been reduced, the drawback of having avoided the cleanness of filter screen 3 and the clean needs difference of heat exchanger 2 to go on.
Because first region and second region have partially that does not coincide, consequently can realize the washing to filter screen 3 different parts in first washing position and second washing position, do not obtain abluent partial filter screen 3 in first washing position and can obtain the washing in second washing position to realize the comprehensive washing to filter screen 3, improve the cleaning performance to filter screen 3.
As shown in fig. 1 and 6, the length of the filter screen 3 between the length adjustment device 5 and the driving device 4 is an uncontained length, wherein, as shown in fig. 4 and 5, during the process in which the driving device 4 drives the filter screen 3 to move in a straight line in a direction (downward) toward the heat exchanger 2, the length adjustment device 5 is configured to increase the uncontained length of the filter screen 3 so that the filter screen 3 can move to a first cleaning position and a second cleaning position abutting against the heat exchanger 2, as shown in fig. 4, the filter screen is in the first cleaning position, and as shown in fig. 5, the filter screen is in the second cleaning position. As in fig. 7, the filter screen is in operating position (the position of filter screen when the air conditioner normally refrigerates and heats), as in fig. 8, drive arrangement 4 drives the filter screen along curve (for example pitch arc) to the direction (downwards) motion that is close to the heat exchanger, length adjustment device 5 increases not taking in length of filter screen, make filter screen 3 can move to the first washing position that leans on with the heat exchanger mutually, as in fig. 9 drive arrangement 4 drives the filter screen along curve (for example pitch arc) continue to the direction (downwards) motion that is close to the heat exchanger, the filter screen moves to second washing position.
For convenience of description, the position of the filter screen 3 during normal cooling and heating is defined as the working position. As shown in fig. 4, in the first cleaning position, the first area of the filter screen 3 abuts against the heat exchanger 2, wherein "abutting" means that the distance between the first area of the filter screen 3 and the heat exchanger 2 is smaller than the distance between the first area of the filter screen 3 and the heat exchanger 2 when the air conditioner is normally cooled and heated, and therefore "abutting" includes the case that the first area of the filter screen 3 at least partially abuts against the surface of the heat exchanger 2 (i.e. the distance between the first area of the filter screen 3 and the heat exchanger 2 is zero) and the case that the distance between the first area of the filter screen 3 and the heat exchanger 2 is smaller. Wherein, the distance between the first area of the filter screen 3 and the heat exchanger 2 is smaller, which means that the distance between the first area of the filter screen 3 and the heat exchanger 2 is smaller than the distance between the first area of the filter screen 3 and the heat exchanger 2 when the air conditioner normally refrigerates and heats, and the position of the first area of the filter screen 3 when the air conditioner normally refrigerates and heats is defined as the working position, so that the distance between the first area of the filter screen 3 and the heat exchanger 2 when the first area of the filter screen 3 and the heat exchanger 2 are "attached" to each other is smaller than the distance between the first area of the filter screen 3 and the heat exchanger 2 at the working position. In other words, when the first area of the filter screen 3 needs to be cleaned, the driving device 4 drives the filter screen 3 to move towards the direction close to the heat exchanger 2 and move to the first cleaning position, and after cleaning is finished, the driving device 4 drives the first area of the filter screen 3 to move towards the direction away from the heat exchanger 2 and move to the working position.
As shown in fig. 5, in the second cleaning position, the second area of the filter screen 3 abuts against the heat exchanger 2, wherein "abutting" means that the distance between the second area of the filter screen 3 and the heat exchanger 2 is smaller than the distance between the second area of the filter screen 3 and the heat exchanger 2 when the air conditioner is normally cooled and heated, and therefore "abutting" includes the case that the second area of the filter screen 3 at least partially abuts against the surface of the heat exchanger 2 (i.e. the distance between the second area of the filter screen 3 and the heat exchanger 2 is zero) and the case that the distance between the second area of the filter screen 3 and the heat exchanger 2 is smaller. Wherein, the distance between the second area of the filter screen 3 and the heat exchanger 2 is smaller, which means that the distance between the second area of the filter screen 3 and the heat exchanger 2 is smaller than the distance between the second area of the filter screen 3 and the heat exchanger 2 when the air conditioner normally refrigerates and heats, and the position of the second area of the filter screen 3 when the air conditioner normally refrigerates and heats is defined as the working position, so that the distance between the second area of the filter screen 3 and the heat exchanger 2 when the second area of the filter screen 3 and the heat exchanger 2 are "attached" to each other is smaller than the distance between the second area of the filter screen 3 and the heat exchanger 2 at the working position. In other words, when the second area of the filter screen 3 needs to be cleaned, the driving device 4 drives the filter screen 3 to move towards the direction close to the heat exchanger 2 and move to the second cleaning position, and after cleaning is finished, the driving device 4 drives the second area of the filter screen 3 to move towards the direction away from the heat exchanger 2 and move to the working position.
Optionally, the second end 34 is wound on a length adjustment device 5, the length adjustment device 5 being configured to adjust the unstored length by adjusting the windup length of the filter screen 3.
The length adjusting device 5 enables more filter screens 3 to be wound on the length adjusting device 5, so that the winding length of the filter screens 3 is increased, and the length which is not stored is reduced; the length adjusting device 5 enables fewer filter screens 3 to be wound on the length adjusting device 5, so that the winding length of the filter screens 3 is reduced, and the length is not stored in the increasing process.
The filter screen 3 comprises a filter screen body 31, and in the working position, the filter screen body 31 corresponds to the heat exchanger 2 and is used for filtering air. The first end 33 and the second end 34 of the filter screen 3 are respectively the first end 33 and the second end 34 of the filter screen body 31, and the first end 33 and the second end 34 of the filter screen body 31 are respectively connected with the driving device 4 and the length adjusting device 5. Alternatively, the filter screen 3 comprises a filter screen body 31 and a connecting line 32, the connecting line 32 is located at one end of the filter screen body 31, the one end corresponds to the second end 34 of the filter screen 3, and the filter screen body 31 is connected with the length adjusting device 5 through the connecting line 32. In other words, the filter screen body 31 may be directly connected to the length adjustment device 5, or may be connected to the length adjustment device 5 through the connection line 32.
Alternatively, the length adjusting means 5 includes a telescopic reel, on which the second end portion 34 of the filter net 3 is wound,
the flexible winder includes location fluted disc, volute spiral spring, center pin and connecting contact, and the center pin sets up in the center department of location fluted disc, and volute spiral spring sets up in the side of location fluted disc, and filter screen 3 sets up on the location fluted disc with the heliciform, and connecting contact sets up between filter screen 3 and center pin, and filter screen 3 passes through connecting contact and center pin contact. Optionally, the filter screen body 31 or the connecting cord 32 is wound on the telescopic reel.
Alternatively, as shown in fig. 1, the length adjustment device 5 includes a driving part and a winding wheel 51, the second end 34 is wound on the winding wheel 51, and the driving part is in driving connection with the winding wheel 51 and configured to drive the winding wheel 51 to rotate.
The second end 34 of the filter screen 3 is wound on the winding wheel 51, and the winding length and the non-storage length of the filter screen 3 are adjusted by adjusting the winding length of the filter screen 3 on the winding wheel 51. The first driving part is in driving connection with the winding wheel 51 and is used for driving the winding wheel 51 to rotate, so as to adjust the winding length of the filter screen 3 on the winding wheel 51.
The driving part can be a motor or a motor, and the driving part rotates in the positive direction to realize the adjustment of the length which is not stored.
The driving device drives the first end portion to move towards a direction close to or away from the heat exchanger, specifically, the driving device drives the first end portion to do linear motion so as to be close to or away from the heat exchanger, or the driving device drives the first end portion to do curvilinear motion so as to be close to or away from the heat exchanger, in fig. 1 to 5, the driving device drives the first end portion to do linear motion so as to be close to or away from the heat exchanger, for example, in fig. 6 to 9, the driving device drives the first end portion to do curvilinear motion so as to be close to or away from the heat exchanger.
Alternatively, in the first particular embodiment, the drive means 4 comprises a screw, a driver and a nut. The driver is in driving connection with the screw rod and is configured to drive the screw rod to rotate; the nut is sleeved outside the lead screw and is connected to the first end 33.
The driving device 4 can adopt a screw nut mechanism, and a screw nut machine head comprises a screw, a driver and a nut. For example, a nut is connected to the first end 33 of the filter screen 3, a driver drives a lead screw to rotate around the axis of the lead screw, the lead screw serves as the guide part 7, the nut serves as the moving part 8, the lead screw drives the nut to move, and the nut is connected to the first end 33 of the filter screen 3, so as to drive the filter screen 3 to linearly reciprocate.
The driver can be a motor or a motor, and an output shaft of the motor or the motor is connected with the lead screw and drives the lead screw to rotate.
Taking the filter screen 3 above the heat exchanger 2 as an example, the lead screw may have a smaller included angle between vertical and vertical directions along the vertical direction, in other words, the lead screw is generally disposed along the vertical direction.
In a second particular embodiment, the drive means 4 comprise a gear, a driver and a rack. The driver is in driving connection with the gear and is configured to drive the gear to rotate; the rack is meshed with the gear and is arranged on the filter screen 3.
The drive means 4 may take the form of a rack and pinion drive including a gear, a driver and a rack. For example, the rack is disposed at the first end 33 of the filter screen 3, the driver drives the gear to rotate, the gear is meshed with the rack, so as to drive the rack to move, and further drive the filter screen 3 to do linear reciprocating motion, the rack may be a linear rack or an arc rack, when the rack is a linear rack, the driving device drives the first end to do linear reciprocating motion, and when the rack is a non-linear (e.g., arc) rack, the driving device drives the first end to do curvilinear motion, e.g., to do arc motion.
The driver can be an electric motor or a motor, and an output shaft of the electric motor or the motor is connected with the gear and drives the gear to rotate.
In a third particular embodiment, the drive means 4 comprise a link, a drive, a guide and a slide.
The driver is in driving connection with one end of the connecting rod; the slider is slidably disposed in the guide rail, and the slider is rotatably connected to the other end of the link and connected to the first end 33.
The drive means 4 may take the form of a link-slider mechanism comprising a link, a drive, a guide and a slider. For example, a slider is connected to the first end 33 of the filter screen 3, the driver drives a connecting rod to move, the connecting rod drives the slider to slide in the guide rail and relative to the guide rail, the slider serves as the moving part 8, and the guide rail serves as the guiding part 7, so as to drive the filter screen 3 to make a linear reciprocating motion relative to the guide rail, and further drive the filter screen 3 to make a reciprocating motion between the working position, the first cleaning position and the second cleaning position.
Taking the filter screen 3 above the heat exchanger 2 as an example, the guide rail may have a smaller included angle between vertical and vertical along the vertical direction, in other words, the guide rail is generally arranged along the vertical direction.
The driving device 4 may adopt a worm and gear mechanism, a belt drive, and the like, in addition to the above screw nut mechanism, rack and pinion mechanism, and link slider mechanism.
Optionally, the driving device 4 comprises a driver, which is in driving connection with the first end portion 33, and the driver is driven forward or backward to drive the filter screen 3 to reciprocate in a direction close to or away from the heat exchanger 2.
Driver forward or back drive, when needs are washd filter screen 3 like this, drive arrangement 4 can drive filter screen 3 to the direction motion of being close to heat exchanger 2 to move to first washing position or second washing position, after the completion is washd filter screen 3, drive arrangement 4 drive filter screen 3 is to the direction motion of keeping away from heat exchanger 2, and move to operating position, thereby improve the intellectuality of filter screen 3 cleaning process, realize filter screen 3's automatically cleaning.
An embodiment of a second aspect of the present invention provides an air conditioner comprising a heat exchanger 2 and a structure for self-cleaning of a filter screen 3 of the air conditioner as in any one of the embodiments of the first aspect, the filter screen 3 being provided at one side of the heat exchanger 2.
The air conditioner provided by the embodiment of the present disclosure includes the structure for self-cleaning of the filter screen 3 of the air conditioner in any one of the above embodiments, so that the air conditioner has all the beneficial effects of the structure for self-cleaning of the filter screen 3 of the air conditioner in any one of the above embodiments, and details are not repeated herein.
Optionally, the air conditioner further comprises a controller, connected to the driving device 4, and configured to control the driving device 4 to drive the filter screen 3 to move to the first cleaning position, drive the filter screen 3 to move to the second cleaning position after frosting and defrosting on the surface of the heat exchanger 2, and drive the filter screen 3 to move away from the heat exchanger 2 to the working position after frosting and defrosting on the surface of the heat exchanger 2 in response to a cleaning instruction for cleaning the filter screen 3.
The controller is used to control the operation of the drive means 4 to adjust the position of the filter screen 3 relative to the heat exchanger 2. For example, the cleaning process of the filter screen 3 is described by taking the controller as an example that the controller controls the driving device 4 to drive the filter screen 3 to move to the first cleaning position and then controls the driving device 4 to drive the filter screen 3 to move to the second cleaning position, it can be understood that the controller can also control the driving device 4 to drive the filter screen 3 to move to the second cleaning position and then control the driving device 4 to drive the filter screen 3 to move to the first cleaning position.
When receiving the washing instruction of wasing filter screen 3, respond to the washing instruction of wasing filter screen 3, controller control drive arrangement 4 drives filter screen 3 and moves to the direction that is close to heat exchanger 2, and length adjusting device 5 releases more filter screens 3 this moment to increase filter screen 3 not accomodate length, until filter screen 3 is located first washing position, as shown in fig. 4, the first region of filter screen 3 can paste with heat exchanger 2 and lean on mutually. 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 2 frosts, the cold energy and the frost are diffused to the surface of the filter screen 3, the frost layer thickness is accumulated to ensure that the surface of the filter screen 3 frosts, the dust on the surface of the filter screen 3 is extruded in the frost forming process, finally, the extrusion of the dust on the surface of the filter screen 3 is achieved, the dust on the filter screen 3 is loosened, the adhesive force of the dust on the filter screen 3 is reduced, and then the controller controls the air conditioner to, optionally, the air outlet is closed this moment, avoids heating the mode and influences indoor temperature, and heat exchanger 2 defrosts, and frost layer formation rivers wash the dust on many filter screen surfaces, takes away the dust on filter screen 3 and heat exchanger 2 surfaces, and the rivers that have the dust flow into the water receiving box, and the washing of the first region department of filter screen 3 is accomplished through the drain pipe discharge is outdoor.
After the first area is cleaned, the controller controls the driving device 4 to drive the filter screen 3 to move to the second cleaning position, as shown in fig. 5, at the moment, the length adjusting device releases more filter screens, so that the length of the filter screen 3 which is not accommodated is increased, and the filter screen 3 can move to the second cleaning position, as shown in fig. 5. In the second cleaning position, a second region of the filter screen 3 can be brought into contact with the heat exchanger 2. 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 2 frosts, the cold energy and the frost are diffused to the surface of the filter screen 3, the frost layer thickness is accumulated to ensure that the surface of the filter screen 3 frosts, the dust on the surface of the filter screen 3 is extruded in the frost forming process, finally, the extrusion of the dust on the surface of the filter screen 3 is achieved, the dust on the filter screen 3 is loosened, the adhesive force of the dust on the filter screen 3 is reduced, and then the controller controls the air conditioner to, optionally, the air outlet is closed this moment, avoids heating the mode and influences indoor temperature, and heat exchanger 2 defrosts, and frost layer formation rivers wash the dust on many filter screen surfaces, takes away the dust on filter screen 3 and heat exchanger 2 surfaces, and the rivers that have the dust flow into the water receiving box, and the second region department of filter screen 3 washs the completion outside the drain pipe discharge chamber.
After the first area and the second area are cleaned, the controller controls the driving device 4 to drive the air conditioner to reset to the working position, and preparation is made for normal refrigeration and heating of the air conditioner.
Alternatively, as shown in fig. 3 and 4, the heat exchanger 2 comprises a first heat exchange section 21 and a second heat exchange section 22 which are connected, a folded angle 24 is arranged at the joint of the first heat exchange section 21 and the second heat exchange section 22, in the first cleaning position, part of the filter screen 3 (such as the area L3 on the filter screen in fig. 4) corresponds to the folded angle 24, and the second area comprises part of the filter screen 3 (such as the area L3) corresponding to the folded angle 24 in the first cleaning position.
In the first cleaning position, the filter screen 3 corresponding to the fold 24 cannot abut against the heat exchanger 2 and is therefore not cleaned. Because the second area includes filter screen 3 corresponding with dog-ear 24 in first washing position, consequently in second washing position, can wash filter screen 3 corresponding with dog-ear 24 in first washing position to realize the comprehensive washing to filter screen 3, improve the cleaning performance to filter screen 3.
Alternatively, the second area comprises all filter webs 3 which are not cleaned in the first cleaning position, such that all filter webs 3 which are not cleaned in the first cleaning position are cleaned in the second cleaning position. It will be appreciated that in addition to the first cleaning position and the second cleaning position, more cleaning positions can be provided, in which different areas of the filter screen 3 abut the heat exchanger 2. For example, a third cleaning position is also provided, in which a third region of the filter screen 3, which comprises the region of the filter screen 3 which is not cleaned in the first cleaning position and the second cleaning position, abuts against the heat exchanger 2, so that cleaning of the third region is possible.
As shown in fig. 4, the filter screen 3 is moved downward (toward the heat exchanger 2) by the driving device 4, and in the first cleaning position, the first region includes an L1 region abutting the first heat exchanger 2 section, an L2 region abutting the second heat exchanger 2 section, the L1 region and the L2 region are cleaned in the first cleaning position, but the L3 region at the junction of L1 and L2 is disposed corresponding to the bevel 24, and the L3 region is not cleaned. As shown in fig. 5, after the areas L1 and L2 are cleaned, the driving device 4 drives the filter screen 3 to move downwards to a second cleaning position, the area L3 moves downwards and abuts against the section of the second heat exchanger 2, and in the second cleaning position, the area L3 is cleaned.
Optionally, the second heat exchange section 22 is located below the first heat exchange section 21, and the controller is configured to control the driving device 4 to drive the filter screen 3 to reciprocate along the width direction of the second heat exchange section 22, in other words, from the first cleaning position to the second cleaning position or from the second cleaning position to the first cleaning position, the driving device 4 drives the filter screen 3 to reciprocate along the width direction of the second heat exchanger 2, so that the filter screen 3 can be always attached to the heat exchanger 2 in the first cleaning position and the second cleaning position.
Alternatively, as shown in fig. 5, the second heat exchange section 22 is disposed along the up-down direction, and at this time, the controller controls the driving device 4 to drive the filter screen 3 to move up and down.
Optionally, as shown in fig. 4, the heat exchanger 2 further includes a third heat exchange section 23, the first heat exchange section 21 is located between the second heat exchange section 22 and the third heat exchange section 23, and a bend is provided between the third heat exchange section 23 and the first heat exchange section 21. At least part of the filter screen 3 can be attached to the third heat exchange section 23 at the first cleaning position or the second cleaning position, and the part attached to the third heat exchange section 23 on the filter screen 3 is cleaned by utilizing frosting of the third heat exchange section 23.
The invention provides a self-cleaning structure of a coming net of an air conditioner, wherein a second end part 34 of a filter net 3 is fixed on a length adjusting device 5; the first end 33 is fixed on the driving device 4, and the driving device 4 drives the filter screen 3 to abut against the heat exchanger 2, so as to clean the filter screen 3.
The cleaning of the filter screen 3 is divided into two parts (at least two parts), the two parts are respectively a first area and a second area, the problem of automatic cleaning of the air conditioner network is solved by comprehensively cleaning the filter screen 3, and the air conditioner parts are not required to be manually disassembled and assembled. The specific principle is that the filter screen 3 is attached to the heat exchanger 2, the filter screen 3 frosts together when the heat exchanger 2 frosts, and the filter screen 3 is washed by utilizing condensed water during defrosting, so that the cleaning purpose is achieved.
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. A structure for self-cleaning of a filter screen of an air conditioner, comprising:
a filter screen comprising a first end and a second end;
a drive device, which is in drive connection with the first end part and is configured to drive the filter screen to move towards the direction close to the heat exchanger of the air conditioner, and can move to a first cleaning position and a second cleaning position, wherein, in the first cleaning position, a first area of the filter screen is abutted with the heat exchanger, and in the second cleaning position, a second area of the filter screen is abutted with the heat exchanger, and the first area and the second area are at least partially not overlapped;
a length adjustment device coupled with the second end configured to adjust an uncocked length of the filter screen to enable the filter screen to move to the first cleaning position and the second cleaning position.
2. The structure of claim 1,
the second end is wound on the length adjustment device configured to adjust the unstored length by adjusting a take-up length of the filter screen.
3. The structure of claim 2,
the length adjusting device comprises a telescopic winder, and the second end part is wound on the telescopic winder.
4. The structure of claim 2,
the length adjusting device comprises a driving part and a winding wheel, the second end part is wound on the winding wheel, and the driving part is in driving connection with the winding wheel and is configured to drive the winding wheel to rotate.
5. The structure according to any one of claims 1 to 4, characterized in that the drive means comprises:
and the driver is in driving connection with the first end part and is driven forwards or reversely to drive the filter screen to reciprocate in the direction close to or far away from the heat exchanger.
6. The structure according to any one of claims 1 to 4,
the first end part and the second end part are two opposite end parts in the width direction of the filter screen respectively.
7. An air conditioner, comprising:
a heat exchanger; and
the structure for self-cleaning a filter screen of an air conditioner as claimed in any one of claims 1 to 6, the filter screen being disposed at one side of the heat exchanger.
8. The air conditioner according to claim 7, further comprising:
the controller is connected with the driving device and is configured to respond to a cleaning instruction for cleaning the filter screen, control the driving device to drive the filter screen to move to a first cleaning position, drive the filter screen to move to a second cleaning position after the surface of the heat exchanger is frosted and defrosted, and drive the filter screen to move to a direction far away from the heat exchanger to a working position after the surface of the heat exchanger is frosted and defrosted.
9. The air conditioner according to claim 8,
the heat exchanger comprises a first heat exchange section and a second heat exchange section which are connected, a folded angle is arranged at the joint of the first heat exchange section and the second heat exchange section, part of the filter screen corresponds to the folded angle at the first cleaning position, and the second area comprises the part of the filter screen corresponding to the folded angle at the first cleaning position.
10. The air conditioner according to claim 9,
the second heat exchange section is positioned below the first heat exchange section, and the controller is configured to control the driving device to drive the filter screen to reciprocate along the width direction of the second heat exchange section.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010388123.2A CN111578386B (en) | 2020-05-09 | 2020-05-09 | A structure and air conditioner for air conditioner filter screen is automatically cleaned |
| PCT/CN2020/130667 WO2021227433A1 (en) | 2020-05-09 | 2020-11-20 | Structure for automatically cleaning filtering net of air conditioner, and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010388123.2A CN111578386B (en) | 2020-05-09 | 2020-05-09 | A structure and air conditioner for air conditioner filter screen is automatically cleaned |
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| Publication Number | Publication Date |
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| CN111578386A true CN111578386A (en) | 2020-08-25 |
| CN111578386B CN111578386B (en) | 2021-10-29 |
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| CN202010388123.2A Active CN111578386B (en) | 2020-05-09 | 2020-05-09 | A structure and air conditioner for air conditioner filter screen is automatically cleaned |
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| Country | Link |
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| CN (1) | CN111578386B (en) |
| WO (1) | WO2021227433A1 (en) |
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| CN111998438A (en) * | 2020-08-26 | 2020-11-27 | 珠海格力电器股份有限公司 | Air conditioner with automatic cleaning device and control method |
| CN112556018A (en) * | 2020-12-14 | 2021-03-26 | 珠海格力电器股份有限公司 | Self-cleaning filter screen and air conditioner |
| WO2021227422A1 (en) * | 2020-05-09 | 2021-11-18 | 青岛海尔空调器有限总公司 | Structure for self-cleaning of air conditioner filter, and air conditioner |
| WO2021227433A1 (en) * | 2020-05-09 | 2021-11-18 | 青岛海尔空调器有限总公司 | Structure for automatically cleaning filtering net of air conditioner, and air conditioner |
| WO2023056773A1 (en) * | 2021-10-08 | 2023-04-13 | 青岛海尔空调电子有限公司 | Method and device for self-cleaning of air conditioner filter, and air conditioner indoor unit |
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| WO2020155675A1 (en) * | 2019-01-31 | 2020-08-06 | 广东美的制冷设备有限公司 | Air-conditioner indoor unit and air conditioner |
| CN114146459B (en) * | 2021-12-15 | 2022-11-25 | 鹰潭市钲旺科技有限公司 | Multi-stage filtering device for copper-clad copper wire cleaning solution |
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| Publication number | Publication date |
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| CN111578386B (en) | 2021-10-29 |
| WO2021227433A1 (en) | 2021-11-18 |
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