WO2024251308A2 - Structure autonettoyante pour crépine de climatiseur, et climatiseur - Google Patents

Structure autonettoyante pour crépine de climatiseur, et climatiseur Download PDF

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Publication number
WO2024251308A2
WO2024251308A2 PCT/CN2024/109164 CN2024109164W WO2024251308A2 WO 2024251308 A2 WO2024251308 A2 WO 2024251308A2 CN 2024109164 W CN2024109164 W CN 2024109164W WO 2024251308 A2 WO2024251308 A2 WO 2024251308A2
Authority
WO
WIPO (PCT)
Prior art keywords
reel
filter
gear
filter screen
installation space
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.)
Ceased
Application number
PCT/CN2024/109164
Other languages
English (en)
Chinese (zh)
Other versions
WO2024251308A3 (fr
Inventor
董元伟
刘伟彤
庄佳兰
亓晓莉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Publication of WO2024251308A2 publication Critical patent/WO2024251308A2/fr
Publication of WO2024251308A3 publication Critical patent/WO2024251308A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/90—Cleaning of purification apparatus
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements

Definitions

  • the present application relates to the technical field of air conditioning, for example, to a self-cleaning structure for an air conditioning filter and an air conditioner.
  • the current air conditioner indoor unit exchanges indoor air through a fan system, wherein a filter is arranged in front of the fan system, which can intercept dust, lint and other dirt in the air.
  • a filter is arranged in front of the fan system, which can intercept dust, lint and other dirt in the air.
  • more and more dirt accumulates on the surface of the filter. If it is not removed in time, it may breed bacteria and even produce odor, causing secondary pollution of indoor air; in addition, it will also affect the air intake, thereby affecting the performance of the air conditioner.
  • the filter is mainly cleaned in the following ways: using a dust suction device to absorb dust on the filter; or using a brush to clean the dust on the filter; or using a driving mechanism to drive the filter and the brush or dust suction device to move simultaneously to clean the dust.
  • a filter dust removal mechanism is provided in the related art.
  • the filter dust removal mechanism includes a winding device and an unfolding device for winding and unfolding the filter, respectively, wherein a dust removal part is provided on the winding device, and during the winding and/or unfolding process of the filter, the dust on the filter will be removed by the dust removal part. In this way, the automatic cleaning of dust on the filter is achieved, the purification degree of the air outlet of the air conditioner is improved, and the air outlet quality of the air conditioner is improved.
  • a filter guide mechanism and a dust removal mechanism are integrated in the air conditioner indoor unit, but the filter is set between the air inlet and the heat exchanger of the air conditioner indoor unit.
  • the filter guide mechanism may be deformed, resulting in guide failure, and the filter movement is prone to deformation, which not only affects the cleaning of the filter, but also causes the filter stack to jam or get stuck.
  • the disclosed embodiments provide a self-cleaning structure for an air conditioning filter and an air conditioner, which can effectively prevent the filter from being deformed when cleaning the filter, and can not only make the filter move more smoothly but also make the filter clean more cleanly.
  • a self-cleaning structure for an air conditioning filter includes a filter mounting frame, a rotating reel group, a filter and a dust collecting device.
  • the filter mounting frame is constructed with a first reel mounting space and a second reel mounting space, and a keel frame is provided between the first reel mounting space and the second reel mounting space; wherein the first reel mounting space and/or the second reel mounting space has an opening, and a support plate is formed on the side of the opening;
  • the rotating reel group includes a first reel and a second reel, the first reel is rotatably arranged in the first reel mounting space, and the second reel is rotatably arranged in the second reel mounting space;
  • the filter is arranged on the supporting surface of the keel frame and the supporting plate, and the first side is connected to the first reel, and the second side is connected to the second reel; wherein the filter is pre-wound on the first reel or the second reel, and the pre-wound length is greater than or equal to the path distance of the filter movement; the dust
  • the surface of the keel frame in contact with the filter screen is a second supporting surface, and a sliding structure and/or a rolling structure is provided on the second supporting surface.
  • a first mounting structure is provided on the axial surface of the first reel, and the first side of the filter is detachably connected to the first mounting structure;
  • a second mounting structure is provided on the axial surface of the second reel, and the second side of the filter is detachably connected to the second mounting structure.
  • the dust collection device includes: a dust box, which is arranged on the first supporting surface side of the support plate, and the dust box has an opening facing the first supporting surface side; wherein, the brush assembly is arranged in the dust box, and the bristles of the brush assembly are exposed from the opening.
  • the dust collection device further includes: a cleaning structure, disposed in the dust removal box, for cleaning the bristles in the brush assembly.
  • the self-cleaning structure for the air conditioning filter further includes: a driving device, which is arranged on the side of the filter mounting frame and drives the second reel and the brush assembly to rotate synchronously through a transmission gear set.
  • the transmission gear set includes: a first gear, which is arranged on the second reel installation space side and connected to the end of the second reel; a second gear, which is arranged on the dust collecting device side and connected to the end of the brush assembly; a third gear, which is arranged close to the first gear and the second gear and meshes with the first gear and the second gear respectively; a fourth gear, which is arranged on the filter mounting frame side and meshes with the third gear; wherein the fourth gear is connected to the driving end of the driving device.
  • diameters of the first gear, the second gear, and the fourth gear are all smaller than a diameter of the third gear.
  • a set distance is provided between the circumferential surface of the first reel and the inner wall of the first reel installation space; and a set distance is provided between the circumferential surface of the second reel and the inner wall of the second reel installation space.
  • an air conditioner includes: an air conditioner body having an air inlet; a self-cleaning structure for an air conditioning filter as described in the aforementioned implementation, a filter mounting frame of the self-cleaning structure is arranged at the air inlet, and a filter is arranged on the filter mounting frame.
  • the first reel installation space and/or the second reel installation space have an opening, and a support plate is formed on the side of the opening.
  • the first reel is rotatably arranged in the first reel installation space
  • the second reel is rotatably arranged in the second reel installation space.
  • the keel frame and the support plate can provide effective support to the surface of the entire filter screen, thereby preventing the side of the filter screen from bending or deforming, and can
  • a dust collecting device is also arranged below the first supporting surface of the supporting plate, and the filter screen at the first supporting surface is cleaned by the brush assembly, so that the brush assembly can fully contact the filter screen, and the cleaning effect is better.
  • FIG1 is a schematic diagram of a self-cleaning structure for an air conditioning filter provided by an embodiment of the present disclosure
  • FIG2 is a second schematic diagram of a self-cleaning structure for an air conditioning filter provided by an embodiment of the present disclosure
  • FIG3 is a schematic diagram of the structure of a frame provided by an embodiment of the present disclosure.
  • FIG4 is a top view of a frame provided by an embodiment of the present disclosure.
  • Fig. 5 is a schematic cross-sectional view taken along line A-A in Fig. 4;
  • FIG6 is a side view of a frame provided by an embodiment of the present disclosure.
  • FIG. 7 is a first structural diagram of a rotating reel assembly provided by an embodiment of the present disclosure.
  • FIG8 is a second structural schematic diagram of a rotating reel assembly provided in an embodiment of the present disclosure.
  • FIG9 is a cross-sectional view of a first reel provided by an embodiment of the present disclosure.
  • FIG10 is a vertical cross-sectional view of a first reel provided in an embodiment of the present disclosure.
  • FIG11 is a first structural schematic diagram of a filter mounting frame and a dust collecting device provided in an embodiment of the present disclosure
  • FIG12 is a second structural schematic diagram of a filter mounting frame and a dust collecting device provided in an embodiment of the present disclosure
  • FIG13 is a third structural schematic diagram of a filter mounting frame and a dust collecting device provided in an embodiment of the present disclosure
  • FIG14 is a fourth structural schematic diagram of a filter mounting frame and a dust collecting device provided in an embodiment of the present disclosure
  • FIG15 is a schematic structural diagram of a dust collection box provided in an embodiment of the present disclosure.
  • FIG16 is a structural schematic diagram 1 of a filter mounting frame and a driving device provided in an embodiment of the present disclosure
  • FIG17 is a second structural schematic diagram of a filter mounting frame and a driving device provided in an embodiment of the present disclosure
  • FIG. 18 is a third structural schematic diagram of the filter mounting frame and the driving device provided in an embodiment of the present disclosure.
  • the terms “upper”, “lower”, “inside”, “middle”, “outside”, “front”, “back” and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term “upper” may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.
  • connection can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components.
  • connection can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components.
  • the character "/" indicates that the preceding and following objects are in an "or" relationship.
  • A/B indicates: A or B.
  • a and/or B means: A or B, or, A and B.
  • the self-cleaning structure of the filter comprises a filter mounting frame 10, a rotating reel group, a filter 104 and a dust collecting device 40.
  • the filter mounting frame 10 is configured with a first reel mounting space 11 and a second reel mounting space 12 on opposite sides, and a keel frame 13 is provided between the first reel mounting space 11 and the second reel mounting space 12; wherein the first reel mounting space 11 and/or the second reel mounting space 12 has an opening, and a support plate 14 is formed on the side of the opening;
  • the rotating reel group comprises a first reel 20 and a second reel 30, the first reel 20 is rotatably arranged in the first reel mounting space 11, and the second reel 30 is rotatably arranged in the second reel mounting space 12;
  • the filter The net is arranged on the first supporting surface 141 of the keel frame 13 and the supporting plate 14, and the first side is detachably connected to the first reel 20, and the second side is detachably connected to the second reel 30; wherein the filter 104 is pre-wound on the first reel 20 or the second reel 30, and the pre-wound length is greater than or equal to the path distance of the filter 104 moving;
  • the self-cleaning structure of the air conditioning filter provided by the embodiment of the present disclosure is adopted, and there is a keel frame 13 with a curved surface structure between the first reel installation space 11 and the second reel installation space 12, and the first reel installation space 11 and/or the second reel installation space 12 have a downward opening side formed with a support plate 14, and the first reel 20 is rotatably arranged in the first reel installation space 11, and the second reel 12 is rotatably arranged in the second reel installation space 12.
  • the keel frame 13 and the support plate 14 with a curved surface structure can provide effective support for the surface of the entire filter 104, thereby preventing the side of the filter from bending or deforming, and enabling the filter to fully play the role of filtering.
  • the filter 104 is pre-wound on the first reel 20 or the second reel 30, and the length of the pre-wound is greater than or equal to the path distance of the filter 104 movement. In this way, even when the filter is being cleaned, the pre-wound part of the filter can still play a filtering role.
  • a dust collecting device 40 is further provided below the first supporting surface 141 of the supporting plate 14. The filter screen 104 at the first supporting surface 141 is cleaned by the brush assembly 42, so that the brush assembly 42 can fully contact with the filter screen 104, resulting in a better cleaning effect.
  • the filter screen mounting frame 10 is configured with a first reel mounting space 11 and a second reel mounting space 12 on opposite sides, and a keel frame 13 with a curved surface structure is provided between the first reel mounting space 11 and the second reel mounting space 12.
  • the first reel mounting space 11 has an opening facing downward, and a support plate 14 is formed on a side of the opening.
  • the second reel mounting space 12 has an opening facing downward, and a support plate 14 is formed on a side of the opening.
  • both the first reel mounting space 11 and the second reel mounting space 12 have an opening facing downward, and a support plate 14 is formed on a side of the opening.
  • the curved keel frame 13 and the support plate 14 between the first reel installation space 11 and the second reel installation space 12 can support the filter 104, ensuring that the filter 104 will not bend or deform, and there is no need to set a guide structure on the side. In addition, in the case of cooling or heating, the movement of the filter 104 will not be affected.
  • the first reel 20 can realize the unfolding of the filter or the reeling of the filter
  • the second reel 30 can also realize the unfolding of the filter or the reeling of the filter.
  • the length of the filter is long enough, and the filter can achieve the filtering function whether unfolded or reeled. In this way, the unfolding or reeling of the filter is completed by the coordinated use of the first reel 20 and the second reel 30.
  • the first reel 20 of the rotating reel group is rotatably arranged in the first reel installation space 11, and the second reel 30 of the rotating reel group is rotatably arranged in the second reel installation space 12.
  • the first side of the filter 104 is detachably connected to the first reel 20, and the second side of the filter 104 is detachably connected to the second reel 30; the filter 104 can be wound on the reel by winding, which can make the force on both sides of the filter more uniform, prevent local deformation of both sides of the filter, and avoid problems such as filter stacking.
  • the filter 104 is pre-wound on the first reel 20 or the second reel 30, and the pre-wound length is greater than or equal to the path distance of the filter 104; even when the filter is cleaned, the pre-wound part of the filter can still play a filtering role.
  • the volume of the entire self-cleaning structure is reduced, so that the air inlet area of the air inlet is not blocked, thereby increasing the air volume of the air conditioner and improving the cooling and heating effects.
  • the dust collecting device 40 is disposed below the first supporting surface 141 of the supporting plate 14, and the dust collecting device 40 has a brush assembly 42 that abuts against the filter screen.
  • the first supporting surface 141 of the supporting plate 14 can provide effective support for the filter screen 104 to prevent the filter screen from deforming.
  • the brush can fully contact the filter screen 104, thereby achieving a better cleaning effect.
  • the surface of the keel frame 13 that contacts the filter screen is the second supporting surface, and a sliding structure and/or a rolling structure is provided on the second supporting surface. Since the filter screen is a flexible mesh structure, the keel frame 13 can provide effective support to the surface of the entire filter screen 10, preventing the filter screen from bending, deforming and other problems, thereby enabling the filter screen to fully play its filtering role.
  • a sliding structure and/or a rolling structure is provided on the second supporting surface of the keel frame 13, and the surface of the filter screen contacts the sliding structure and/or the rolling structure.
  • the friction with the keel frame 13 can be reduced, which can not only reduce the noise generated by the movement of the filter screen, but also prevent problems such as filter screen damage.
  • the filter mounting frame 10 is used to be arranged below the air inlet of the air conditioner and above the heat exchanger 100, and is used to filter dust, impurities, etc. at the air inlet of the air conditioner.
  • the filter mounting frame 10 includes a frame 101 and an air conditioner connecting frame 102.
  • the shapes of the frame 101 and the air conditioner connecting frame 102 match, the air conditioner connecting frame 102 is fixedly installed above the heat exchanger 100, and the frame 101 can be detachably installed on the air conditioner connecting frame 102.
  • the filter 104 is disposed above the keel frame 13.
  • the keel frame 13 is composed of a plurality of ribs, and a large spacing is provided between the plurality of ribs for air intake of the air conditioner.
  • the skeleton frame 13 may be composed of a plurality of vertical ribs arranged in an array, and the vertical ribs are arranged perpendicular to the moving direction of the filter screen.
  • the skeleton frame 13 may be composed of a plurality of transverse ribs arranged in an array, and the transverse ribs are arranged parallel to the moving direction of the filter screen.
  • the skeleton frame 13 may be composed of a plurality of transverse ribs and vertical ribs arranged in an interlaced manner.
  • the skeleton frame 13 may be composed of a plurality of oblique ribs.
  • a sliding structure and/or a rolling structure are provided on the second support surface side of the keel frame 13, that is, a sliding structure and/or a rolling structure are provided on the rib side, so as to effectively reduce the contact area between the filter screen and the keel frame 13.
  • the resistance of the keel frame 13 to the filter screen can be reduced.
  • the noise generated by the movement of the filter screen can also be reduced.
  • the filter screen is a flexible mesh cloth, it can slide in contact with the sliding structure and/or the rolling structure, which can also prevent the filter screen from being damaged.
  • the sliding structure 131 includes a The multiple arc-shaped protrusions enable the filter to slide smoothly on the keel frame 13.
  • a keel frame 13 is taken as an example, which is composed of a plurality of staggered transverse ribs and vertical ribs.
  • the transverse ribs serve to fix and connect the plurality of vertical ribs together, ensure the stability of the entire keel frame 13, and prevent the vertical ribs from bending or breaking.
  • the sliding structure 131 includes a plurality of arc-shaped protrusions, which are arranged on the vertical ribs, that is, the number of the arc-shaped protrusions is the same as the number of the vertical ribs.
  • the length of the arc-shaped protrusions matches the length of the vertical ribs, and the cross-section of the arc-shaped protrusions is an arched structure.
  • the filter screen contacts the uppermost part of the arc-shaped protrusions, which greatly reduces the contact area compared to the contact with the ribs, thereby not only playing a supporting role, but also enabling the filter screen to slide smoothly on the keel frame 13, avoiding the filter screen stack from being stuck on the frame 101.
  • the rolling structure includes a plurality of rotating rollers disposed on the keel frame 13 , so that the filter can move smoothly on the keel frame 13 .
  • the keel frame 13 is taken as an example to be composed of a plurality of staggered transverse ribs and vertical ribs.
  • the sliding structure 131 includes a plurality of rotating rollers (not shown in the figure), which are arranged on the vertical ribs, and the number of the rotating rollers is the same as the number of the vertical ribs.
  • the rotating roller includes a through groove opened on the vertical rib, and the shaft of the roller rotates in the through groove. In this way, during the movement of the filter screen, the sliding friction can be changed into rolling friction, further reducing the resistance to the filter screen, so that the filter screen can move smoothly on the keel frame 13, and avoid being stuck on the frame 101.
  • the cross section of the keel frame 13 is a curved structure, so that the filter screen can be ensured to always be in contact with the keel frame 13 and the filter screen can be fully opened.
  • the filter since the filter is a flexible mesh, it is easy to wrinkle and deform itself in the absence of supporting force. Therefore, the filter can be stretched straight by the force at both ends.
  • the filter can be stretched straight by the first reel 20 and the second reel 30, and the keel frame 13 can support the filter so that the filter is always in contact with the keel frame 13.
  • a side end connection portion 103 detachably connected to the air conditioner connection frame 102 is provided on the side frame of the frame body 101.
  • a corresponding matching structure is provided on the air conditioner connection frame 102 for detachably connecting to the side end connection portion 103.
  • the side connection portion 103 includes a fixing structure 1031 disposed in the middle of the side frame of the frame 101 , and used to connect and fix the air conditioner connecting frame 102 to the frame 101 .
  • a fixing structure 1031 is provided in the middle of the side frame of the frame 101, and correspondingly, a corresponding fixing matching structure is provided on the air conditioning connecting frame 102.
  • the fixing structure 1031 and the fixing matching structure can fix the frame 101 on the air conditioning connecting frame 102.
  • one of the fixing structure 1031 and the fixing matching structure is a buckle
  • the other of the fixing structure 1031 and the fixing matching structure is a slot.
  • the fixing matching structure is a slot
  • the fixing matching structure is a buckle.
  • the fixing matching structure is a buckle.
  • the side connection portion 103 further includes a positioning structure 1032 , which is disposed at both ends of the side frame of the frame 101 , and is used to position the air conditioner connection frame 102 and the frame 101 .
  • a positioning structure 1032 is provided in the middle of the side frame of the frame 101, and correspondingly, a corresponding positioning and matching structure is provided on the air conditioning connection frame 102.
  • the side frame of the frame 101 is provided with a fixing structure 1031 and a positioning structure 1032
  • the air conditioning connection frame 102 is provided with a fixing and matching structure and a positioning and matching structure, and the fixing structure 1031 and the fixing and matching structure are engaged at the engaging position in the orientation direction of the positioning structure 1032 and the positioning and matching structure.
  • the fixing structure 1031 and the fixing and matching structure are used to ensure the connection stability between the frame 101 and the air conditioning connection frame 102; the positioning structure 1032 and the positioning and matching structure are used to ensure the connection accuracy between the frame 101 and the air conditioning connection frame 102. In this way, the connection and fixation between the frame 101 and the air conditioning connection frame 102 are facilitated.
  • one of the positioning structure 1032 and the positioning matching structure is a positioning rail
  • the other of the positioning structure 1032 and the positioning matching structure is a positioning slot.
  • the positioning matching structure is a positioning slot
  • the positioning matching structure is a positioning rail.
  • a first mounting structure 21 is provided on the axial surface of the first reel 20, and the first side of the filter is detachably connected to the first mounting structure 21;
  • a second mounting structure 31 is provided on the axial surface of the second reel 30, and the second side of the filter is detachably connected to the second mounting structure 31.
  • both reels of the rotating reel group are used to install the filter screen, so that the first reel 20 and the second reel 30 can form a rotating structure.
  • the first reel 20 and the second reel 30 are both round rod structures.
  • the filter screen can be moved in a variety of ways.
  • the second reel 30 is driven to rotate by the active rotation of the first reel 20.
  • the first reel 20 is driven to rotate by the active rotation of the second reel 30.
  • the first reel 20 and the second reel 30 are driven to rotate by synchronization.
  • the filter is pre-wound on the first reel 20 or the second reel 30, and the pre-wound length is greater than or equal to the path distance of the filter movement, in order to prevent the filter installation frame 10 from hindering the movement of the filter 104, in some embodiments, there is a set distance between the circumferential surface of the first reel 20 and the inner wall of the first reel installation space 11; there is a set distance between the circumferential surface of the second reel 30 and the inner wall of the second reel installation space 12. In this way, it can be ensured that the filter on the first reel 20 or the second reel 30 will not contact the first reel installation space 11 or the second reel installation space 12, so that the filter can move smoothly.
  • the first reel installation space 11 and the second reel installation space 12 are both arc-shaped trough structures. Since the first reel 20 and the second reel 30 are both round rod structures, the installation form of the first reel 20 in the first reel installation space 11 is the same as the installation form of the second reel 30 in the second reel installation space 12.
  • the two ends of the first reel 20 are respectively connected to the two ends of the arc-shaped trough, and there is a specific set spacing between the outer surface of the first reel 20 and the inner wall of the arc-shaped trough.
  • the path distance of the set spacing must at least meet the thickness of the stacked filter after the filter is pre-wound. In this way, it can be ensured that the filter on the first reel 20 or the second reel 30 will not come into contact with the filter on the first reel installation space 11 or the second reel.
  • the shaft installation space 12 contacts, so that the filter can move smoothly.
  • the first side of the filter screen is installed on the first mounting structure 21, and the filter screen is partially pre-wound along the outer circumference of the first reel 20.
  • the first mounting structure 21 includes a first strip groove 211 opened on the surface of the first reel 20 and a first clamping strip 212 arranged in the first strip groove 211, and the first side of the filter screen is clamped in the first strip groove 211 by the first clamping strip 212.
  • the first mounting structure 21 includes a bonding portion, and the first side of the filter screen can also be directly fixed to the axial surface of the first reel 20 by bonding.
  • the first strip groove 211 is a through groove opened along the axial surface of the first reel 20, and the length of the first clamping strip 212 matches the length of the first strip groove 211.
  • a second mounting structure 31 is provided on the surface of the second reel 30 along its axial direction.
  • the second mounting structure 31 includes a second strip groove 311 opened on the surface of the second reel 30 and a second clamping strip 312 provided in the second strip groove 311.
  • the second side edge of the filter screen is clamped in the second strip groove 311 by the second clamping strip 312.
  • the second mounting structure 31 includes a bonding portion, and the second side edge of the filter screen can also be directly fixed to the axial surface of the second reel 30 by bonding.
  • the form in which the filter screen is installed on the second mounting structure 31 is the same as the form in which the filter screen is installed on the first mounting structure 21, and no further description is given.
  • one side of the filter screen is fixed by clamping, and the other side can also be fixed by bonding.
  • the first reel 20 includes: a first shaft rod 22, whose axial middle portion is at least partially hollow; a first sleeve 23, one end of which is plugged and fixed to the first end of the first shaft rod 22, and the other end is rotatably connected to the first end of the first reel installation space 11; an elastic reset assembly 24, one end of which is plugged and fixed to the second end of the first shaft rod 22, and the other end is fixedly connected to the second end of the first reel installation space 11.
  • At least part of the axial middle portion of the first shaft 22 is a hollow cavity, which allows the elastic reset assembly 24 to extend into.
  • a first strip groove 211 is provided on the surface of the first shaft 22. The two ends of the first strip groove 211 are blocked by the first sleeve 23 and the elastic reset assembly 24.
  • the first reel 20 is driven to rotate, and the second reel 30 is actively rotated.
  • the first reel 20 includes a first shaft rod 22 and a first sleeve 23 and an elastic reset assembly 24 arranged at both ends.
  • the first sleeve 23 is rotatably connected to the first end of the first reel installation space 11, and is used for the rotation of the first shaft rod 22.
  • the elastic reset assembly 24 is fixedly connected to the second end of the first reel installation space 11, and is used for the first shaft rod 22 to perform reset rotation.
  • the filter screen will move accordingly, and the first reel 20 will also rotate accordingly.
  • the second reel 30 rotates in the opposite direction.
  • the first reel 20 performs reset rotation through the elastic reset assembly 24, so that the filter screen can return to its original position.
  • the first reel 20 performs the reeling action of the filter screen through the elastic reset assembly 24, and the second reel 30 performs the reeling action of the filter screen.
  • the elastic reset component 24 includes: a connecting seat 241, which is inserted into the second end of the first shaft 22, and a socket 242 is provided in the middle of the connecting seat 241; a pin shaft 243, one end of which extends into the hollow cavity of the first shaft 22 through the socket 242, and the other end is used to be fixedly connected to the second end of the first reel installation space 11; a torsion spring 244, which is sleeved on the pin shaft 243, and one end is fixedly connected to the connecting seat 241, and the other end is fixedly connected to the end of the pin shaft 243 located in the hollow cavity.
  • the elastic reset assembly 24 includes a connection seat 241, a pin 243 and a torsion spring 244. Since the axial middle portion of the first shaft 22 is a hollow through cavity, after the connection seat 241 is inserted and fixed, the pin 243 can extend into the hollow through cavity through the insertion hole 242, and the torsion spring 244 is sleeved on the pin 243, one end of the torsion spring 244 is fixedly connected to the connection seat 241, and the other end of the torsion spring 244 is fixedly connected to the end of the pin 243 located in the hollow through cavity.
  • the first shaft rod 22 drives the connecting seat 241 in the elastic reset assembly 24 to rotate, so that the connecting seat 241 rotates on the pin 243. Since one end of the torsion spring 244 is fixedly connected to the connecting seat 241, and the other end of the torsion spring 244 is fixedly connected to the pin 243, the connecting seat 241 and the pin 243 rotate relative to each other, so that the torsion spring 244 is torsionally elastically deformed to generate elastic force; when the second reel 30 rotates in the opposite direction, the elastic force of the torsion spring 244 forces the first shaft rod 22 to rotate back to its original position.
  • the axial length of the pin shaft 243 is greater than the axial length of the torsion spring 244, wherein a fixing groove 247 is opened at the end of the pin shaft 243 located in the hollow cavity, and the other end of the torsion spring 244 is fixedly connected to the fixing groove 247.
  • the length of the torsion spring 244 or the spacing between the coils of the torsion spring 244 can be changed according to the torque or rotational force required by the first shaft 22.
  • the first end of the torsion spring 244 is fixed on the connecting seat 241, and the second end of the torsion spring 244 is fixed on the pin 243.
  • a fixing groove 247 is provided at the end of the pin 243, and the axial end of the torsion spring 244 is inserted and fixed in the fixing groove 247.
  • the end of the torsion spring 244 is a steel wire, and the steel wire is fixedly inserted in the fixing groove 247.
  • the pin shaft 243 is located on the side of the connecting seat 241 and is provided with a connecting slot 245, and the elastic reset assembly 24 also includes: a fixing plate 246, one end of which is inserted into the connecting slot 245, and the other end is fixedly connected to the second end of the first reel installation space 11.
  • a connecting notch 245 is provided on the pin shaft 243, and the notch is a square notch.
  • the fixing plate 246 is located at one side of the second end of the first reel installation space 11 and is provided at a fixing hole, and the fixing plate 246 is fixed to the second end of the first reel installation space 11 by screws passing through the fixing hole.
  • the second reel 30 includes: a second shaft rod 32; a transmission member 33, one end of which is plugged and fixed to the first end of the second shaft rod 32, and the other end is connected to the driving end of the second reel installation space 12; a second sleeve 34, one end of which is plugged and fixed to the second end of the second shaft rod 32, and the other end is rotatably connected to the rotating end of the second reel installation space 12.
  • the second shaft rod 32 is a solid rod, and a second strip is provided on the surface of the second shaft rod 32.
  • the second strip groove 311 is provided at two ends of the second strip groove 311. The two ends of the second strip groove 311 are blocked by the second sleeve 34 and the transmission member 33.
  • the second sleeve 34 and the transmission member 33 can be fixed at two ends of the second shaft rod 32 by screw connection.
  • the second reel 30 is actively rotated.
  • the second reel 30 includes a second shaft rod 32 and a second sleeve 34 and a transmission member 33 arranged at both ends.
  • the second sleeve 34 is rotatably connected to the rotating end of the second reel installation space 12 for rotating the second shaft rod 32.
  • the transmission member 33 is connected to the driving end of the second reel installation space 12 for actively rotating the second shaft rod 32.
  • a driving motor is provided on the driving end side of the second reel installation space 12, and the driving motor is connected to the transmission member 33.
  • the first sleeve 23 and the second sleeve 34 are both made of self-lubricating material, so that the friction between each reel and the connecting part can be reduced.
  • the dust collecting device 40 includes: a dust collecting box 41, which is arranged below the first supporting surface 141 of the supporting plate 14, and the dust collecting box 41 has an opening facing the first supporting surface 141 side; wherein, the brush assembly 42 is arranged in the dust collecting box 41, located below the opening, and the bristles of the brush assembly 42 are exposed from the opening, and the support plate 14 through which the filter screen passes is arranged at the opening of the dust collecting box 41 to provide effective support for the filter screen and prevent the filter screen from deforming.
  • the brush assembly 42 is arranged in the dust collecting box 41, and the bristles of the brush assembly 42 abut against the filter screen.
  • the first supporting surface 141 can provide effective support for the filter screen, avoiding excessive deformation after contacting with the bristles of the brush assembly 42, so that the bristles of the brush assembly 42 can fully contact with the filter screen, which is convenient for cleaning the dust and impurities of the filter screen, thereby improving the cleaning effect of the dust removal structure.
  • the first support surface 141 of the support plate 14 is an arched surface structure or a plane structure, wherein the first support surface 141 of the support plate 14 is further provided with a support protrusion 142 to support the filter passing through the first support surface 141 .
  • the first support surface 141 of the support plate 14 can support the filter screen
  • the first support surface 141 is an arched surface structure or a plane structure.
  • the arched surface structure refers to that the support plate 14 is an arc-shaped plate
  • the plane structure refers to that the support plate 14 is a flat plate.
  • the filter screen abuts against the first support surface 141, and at the same time, the bristles of the brush assembly 42 also abut against the filter screen, so that the first support surface 141 can ensure that the brush assembly 42 will not deform the filter screen.
  • a support protrusion 142 is also provided on the first support surface 141, and the support protrusion 142 has a certain height on the first support surface 141. Therefore, the filter screen at this position is separated from the first support surface 141. In this way, the bristles of the brush assembly 42 can pass through the filter holes of the filter screen to further clean the filter screen.
  • the first support surface 141 is further provided with an avoidance groove 143, which is located on the moving path side of the brush assembly 42, and the bristles of the brush assembly 42 can enter the avoidance groove 143 after passing through the filter.
  • the bristles of the brush assembly 42 can be reduced, so as to prevent the bristles of the brush assembly 42 from being squeezed by the first support surface 141 for a long time, causing the bristles of the brush assembly 42 to bend.
  • the side edge of the first support surface 141 of the support plate 14 is an arc-shaped edge. This can prevent the side edge of the support plate 14 from scratching the filter screen.
  • the filter screen passes through the entire first support surface 141, but the filter screen is wound on the support plate 14, that is, the filter screen can abut against the side edge of the first support surface 141.
  • the edge of the first support surface 141 is a rounded structure, which can not only reduce the resistance of the side edge to the filter screen, but also prevent the side edge of the support plate 14 from scratching the filter screen.
  • the dust collecting device 40 also includes: a cleaning structure 43, which is arranged in the dust collecting box 41 and/or at the opening of the dust collecting box 41, and is used to clean the bristles in the brush assembly 42.
  • a cleaning structure 43 may be provided in the dust box 41.
  • a cleaning structure 43 may be provided at the opening of the dust box 41.
  • a cleaning structure 43 may be provided both in the dust box 41 and at the opening of the dust box 41.
  • the cleaning structure 43 includes: a first cleaning part 431, which is arranged in the dust box 41 and is located below the first supporting surface 141 of the support plate 14, and the first cleaning part 431 has a first cleaning edge that abuts against the bristles of the brush assembly 42.
  • the first cleaning portion 431 and the support plate 14 are arranged opposite to each other, and the distance between the first cleaning portion 431 and the first support surface 141 is smaller than the diameter of the brush assembly 42. Therefore, during the rotation of the brush assembly 42, it can not only abut against the side of the filter, but also abut against the first cleaning edge of the first cleaning portion 431. In this way, after the brush assembly 42 cleans the dust on the filter, the first cleaning edge of the first cleaning portion 431 cleans the remaining dust on the brush assembly 42.
  • the first cleaning portion 431 includes one or more vertical plates 4311 that are sequentially connected, wherein the vertical surface of each vertical plate 4311 has an angle with the axis of the brush assembly 42, and each vertical plate 4311 is a serrated structure facing the side of the brush assembly 42, and a plurality of serrated structures form a first cleaning edge.
  • a plurality of vertical plates 4311 are obliquely arranged at the bottom of the dust box 41, and a serrated structure is arranged on the vertical plate 4311, and the serrated structure is also obliquely arranged. In this way, the serrated structure can be arranged more densely, and the cleaning can be cleaner.
  • the cleaning structure 43 also includes: a second cleaning portion 432, which is arranged on the open side of the dust box 41 and is located on the side of the support plate 14, and the second cleaning portion 432 has a second cleaning edge that abuts against the bristles of the brush assembly 42.
  • the brush assembly 42 first cleans the filter screen of the first support surface 141, and then the brush assembly 42 passes through the second cleaning portion 432, which performs a rough cleaning on the brush assembly 42 to remove the larger dust particles on the brush assembly 42; then the brush assembly 42 passes through the first cleaning portion 431, which performs a fine cleaning on the brush assembly 42 to remove the remaining fine dust particles on the brush assembly 42.
  • the brush assembly 42 can be cleaned by the second cleaning portion 432 and the first cleaning portion 431, and most of the dust and impurities of the brush assembly 42 can be removed, ensuring that the clean brush assembly 42 cleans the filter screen.
  • the second cleaning portion 432 includes an extended edge 4321 extending from the opening of the dust box 41 toward the support plate 14, and the side of the extended edge 4321 is a serrated structure, and the continuous serrated structure constitutes the second cleaning edge.
  • the extended edge 4321 is toward the support plate 14 and is bent toward the bottom of the dust box 41, so that the dust and impurities of the brush assembly 42 can enter the dust box 41 and avoid falling outside the dust box 41.
  • a sticker or coating of antibacterial material is attached to the inner wall of the dust box 41. In this way, it is convenient to clean the dust collected in the dust box 41, and it is also possible to prevent the dust in the dust box 41 from generating bacteria and flowing into the room.
  • the antibacterial material includes inorganic antibacterial agents, organic (synthetic) antibacterial agents, natural organic antibacterial agents, polymer antibacterial agents or composite antibacterial agents, etc.
  • inorganic antibacterial agents organic (synthetic) antibacterial agents, natural organic antibacterial agents, polymer antibacterial agents or composite antibacterial agents, etc.
  • organic antibacterial agents are used to make a sticker, and the sticker is applied to the inner wall of the dust box 41.
  • one or more antibacterial agents mentioned above may be used to make a coating, and the coating may be applied to the inner wall of the dust box 41 .
  • a corresponding sensor may be provided in the dust box 41 , and when it is detected that the dust in the dust box 41 has reached a set threshold, the dust box 41 is cleaned.
  • the self-cleaning structure for the air conditioning filter also includes: a driving device 50, which is arranged on the side of the filter mounting frame 10, and drives the second reel 30 and the brush assembly 42 to rotate synchronously through the transmission gear set 60.
  • the second reel 30 is actively rotated, and a driving device 50 is provided on the side of the second reel 30.
  • the driving device 50 can use a driving motor that can rotate forward and reverse. In this way, when the filter needs to be cleaned, the driving motor rotates forward to unfold the filter through the second reel 30; after the filter needs to be cleaned, the driving motor reverses and reels the filter through the first reel 20 and the second reel 30.
  • the driving device 50 can drive the second reel 30 and the brush assembly 42 to rotate synchronously through the transmission gear set 60. In this way, it can be ensured that as long as the filter moves, the brush assembly 42 can clean the filter.
  • the transmission gear set 60 includes: a first gear 61, which is arranged on the side of the second reel installation space 12 and connected to the end of the second reel 30; a second gear 62, which is arranged on the side of the dust collecting device 40 and connected to the end of the brush assembly 42; the second gear 62 is arranged close to the first gear 61 and the second gear 62, and is respectively meshed with the first gear 61 and the second gear 62; a fourth gear 64, which is arranged on the side of the filter mounting frame 10 and is meshed with the third gear 63; wherein the fourth gear 64 is connected to the driving end of the driving device 50.
  • the transmission gear set 60 includes a plurality of gears, including a first gear 61, a second gear 62, a third gear 63 and a fourth gear 64.
  • the first gear 61 and the second gear 62 are direct gears of the second reel 30 and the brush assembly 42
  • the third gear 63 is a synchronous transmission gear
  • the fourth gear 64 is a driving gear.
  • the third gear 63 can simultaneously drive the first gear 61 and the second gear 62 to rotate, so that the second reel 30 and the brush assembly 42 rotate synchronously.
  • the diameters of the first gear 61, the second gear 62, and the fourth gear 64 are all smaller than the diameter of the third gear 63.
  • the driving device 50 can more conveniently control the rotation angles of the first gear 61 and the second gear 62 through the third gear 63, thereby controlling the moving speed of the filter.
  • the driving device 50 can be installed in more positions, and does not need to be set in a specific position to affect the use of other components. For example, if the driving device 50 is installed on the side of the dust collecting device 40, it may affect the user's cleaning of dust.
  • the power torque and resistance torque on the gear transmission side should meet the following conditions: M 1 *Z 2 /Z 1 >M n *Z 2 /Z 4 +M b *Z 2 /Z 3
  • M1 is the torque of the driving device 50
  • Mn is the resistance torque of the reel
  • Mb is the resistance torque of the brush assembly 42
  • Z1 is the diameter of the fourth gear 64
  • Z2 is the diameter of the third gear 63
  • Z3 is the diameter of the second gear 62
  • Z4 is the diameter of the first gear 61.
  • R4 is the radius of the second scroll shaft 30
  • Fn is the resistance torque of the second scroll shaft 30.
  • K is the stiffness of the torsion spring 244
  • S is the distance the filter moves
  • R5 is the radius of the first reel 20
  • f2 is the resistance between the filter 104 and the brush assembly 42
  • f3 is the resistance between the filter 104 and the filter mounting frame 10.
  • R 3 is the radius of the brush assembly 42 .
  • the ratio of the power torque to the resistance torque on the gear transmission side is in the range of [1.1, 1.9], that is, the power torque is greater than the resistance torque.
  • the ratio of the power torque to the resistance torque is in the range of [1.2, 1.8].
  • the ratio of the power torque to the resistance torque is in the range of [1.3, 1.7].
  • the ratio of the power torque to the resistance torque is in the range of [1.4, 1.6].
  • the range of the set angle is 1.5.
  • the ratio of the dynamic torque to the resistance torque is 1.5.
  • the ratio of the dynamic torque to the resistance torque can be selected from any ratio within [1.1, 1.9] and can be set according to actual needs.
  • the filter screen is very thin and the number of winding layers of the filter screen on the first reel 20 and the second reel 20 is limited, the change in the total diameter size of the two reels during the winding process of the filter screen is ignored.
  • the disclosed embodiment also provides an air conditioner, comprising: an air conditioner body having an air inlet; a self-cleaning structure for an air conditioner filter as described in the aforementioned embodiment, wherein a filter mounting frame 10 of the self-cleaning structure is disposed below the air inlet, and a filter is disposed on the filter mounting frame 10.
  • the air conditioner includes the above self-cleaning structure for the air conditioning filter. Referring to the above embodiment, it at least has the beneficial effects brought by the technical solutions of the above embodiment, which will not be described one by one here.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

La présente demande se rapporte au domaine technique des climatiseurs. L'invention concerne une structure d'auto-nettoyage pour une crépine de climatiseur. Un cadre de montage de crépine est conçu pour présenter un premier espace de montage de bobine et un second espace de montage de bobine, une première bobine d'un groupe de bobines rotatives étant disposée de manière rotative dans le premier espace de montage de bobine, et une seconde bobine du groupe de bobines rotatives étant disposée de manière rotative dans le second espace de montage de bobine ; une crépine est disposée sur les surfaces d'une poutre caisson et d'une plaque de support du cadre de montage de crépine, un premier bord latéral de la crépine étant relié de manière amovible à la première bobine, et un second bord latéral de la crépine étant relié de manière amovible à la seconde bobine ; et un dispositif de collecte de poussière est disposé sur un côté de la plaque de support, et est pourvu d'un ensemble brosse venant en butée contre la crépine sur une première surface de support de la plaque de support. De cette manière, lorsqu'une crépine est nettoyée, la déformation de la crépine peut être efficacement empêchée ; et la crépine peut se déplacer plus facilement, et peut également être nettoyée plus soigneusement. La présente demande divulgue également un climatiseur.
PCT/CN2024/109164 2023-06-07 2024-08-01 Structure autonettoyante pour crépine de climatiseur, et climatiseur Ceased WO2024251308A2 (fr)

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CN202310672298.XA CN116857747A (zh) 2023-06-07 2023-06-07 用于空调滤网的自清扫结构和空调器
CN202310672298.X 2023-06-07

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WO2025161907A1 (fr) * 2024-02-01 2025-08-07 青岛海尔空调器有限总公司 Mécanisme d'auto-nettoyage de filtre et unité intérieure de climatiseur

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