EP1686327A1 - Innenraumeinheit einer Klimaanlage - Google Patents

Innenraumeinheit einer Klimaanlage Download PDF

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Publication number
EP1686327A1
EP1686327A1 EP05258105A EP05258105A EP1686327A1 EP 1686327 A1 EP1686327 A1 EP 1686327A1 EP 05258105 A EP05258105 A EP 05258105A EP 05258105 A EP05258105 A EP 05258105A EP 1686327 A1 EP1686327 A1 EP 1686327A1
Authority
EP
European Patent Office
Prior art keywords
air
door
conditioning system
indoor unit
cabinet
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.)
Granted
Application number
EP05258105A
Other languages
English (en)
French (fr)
Other versions
EP1686327B1 (de
Inventor
Kang Young Kim
Min Ahn
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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
Priority claimed from KR1020040116241A external-priority patent/KR100758951B1/ko
Priority claimed from KR1020040116242A external-priority patent/KR100788809B1/ko
Priority claimed from KR1020050031473A external-priority patent/KR100688210B1/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1686327A1 publication Critical patent/EP1686327A1/de
Application granted granted Critical
Publication of EP1686327B1 publication Critical patent/EP1686327B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • 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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • 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
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members

Definitions

  • an air-conditioning system is equipped with a compressor and a heat exchanger to cool or heat indoor places such as living places, restaurants, libraries, or offices by flowing a refrigerant therein.
  • the air-conditioning system is generally divided into a separate air-conditioning system and an integral air-conditioning system.
  • the integral air-conditioning system includes an outdoor unit and an indoor unit formed in a single body without being separated from each other.
  • the outdoor unit and the indoor unit are directly provided in a house in a state that they are built in a wall or hung on a window.
  • the separate air-conditioning system includes an indoor unit provided with a heat exchanger that carries out room cooling or room heating, an outdoor unit provided with a heat exchanger that performs heat exchange with the outdoor air, and a refrigerant pipe that connects the indoor unit with the outdoor unit.
  • the air outlet formed at the upper portion of the front surface of the cabinet is referred to as the front air outlet 11a
  • the air outlets respectively formed at the left and right sides of the cabinet are referred to as the left air outlet 11b and the right air outlet 11c.
  • the air outlets 11a, 11b and 11c are respectively provided with vanes 13a, 13b and 13c.
  • the vanes 13a, 13b and 13c are rotatably formed to control the wind of the air discharged from the air outlets 11a, 11b and 11c.
  • the vanes 13a, 13b and 13c serve to open and close the air outlets 11a, 11b and 11c.
  • an indoor unit of an air-conditioning system includes a cabinet having at least one or more air inlets and air outlets and receiving a blower and a heat exchanger therein, the blower forcibly urging air flow and the air outlets being respectively formed at one side and the other side, and outlet doors movably provided in the cabinet to open and close the air outlets.
  • the first and second racks are engaged with a pinion gear that is rotated by the single motor provided in the driving portion.
  • the door driving gear further includes a guide that guides the door transfer unit.
  • the indoor unit of the air-conditioning system further includes a friction damper that minimizes friction between the door transfer unit and the cabinet.
  • the door transfer unit includes a transfer body of which one side is connected to any one of the outlet doors and the other side is connected to the other of the outlet doors.
  • the position sensor includes a photo sensor that senses at least one sensed portion provided at a predetermined portion of any one of the door transfer unit and the outlet doors.
  • the door guide includes door guide grooves formed at any one of each outlet door and the cabinet, and door guide bosses at formed at the other of each outlet door and the cabinet and inserted into the door guide grooves, the door guide bosses being transferred relatively with respect to the door guide grooves when the outlet door is transferred.
  • the air outlets are formed at left and right side portions of the cabinet.
  • the indoor unit of the air-conditioning system further includes a wind controller provided at the air outlets to control the wind of the air discharged through the air outlets.
  • the outlet doors 210 and 220 are preferably formed at left and right side portions of the cabinet 100.
  • the air outlet formed at the left side portion of the cabinet 100 is referred to as the left air outlet 101
  • the air outlet formed at the right side portion of the cabinet 100 is referred to as the right air outlet 102.
  • left and right air outlets 101 and 102 are preferably formed above the left and right side portions of the cabinet 100. More specifically, the left and right air outlets 101 and 102 are longitudinally formed above the left and right side portions of the cabinet 100 in up and down directions.
  • an upper air outlet 103 is preferably formed at an upper side of the cabinet 100.
  • At least one air inlet is preferably formed at a lower portion of the cabinet 100, so that the indoor air is sucked to the air inlet.
  • a front air inlet 104 is formed at a lower end of the front surface of the cabinet 100.
  • the front air inlet 104, the left air inlet 105, and the right air inlet 106 are formed at the lower portion of the cabinet 100.
  • a heat exchanger 300 and a blower 400 are received in the cabinet 100.
  • the heat exchanger 300 serves to cool and heat the air while the blower 400 serves to forcibly flow the air.
  • the blower 400 is provided at a lower portion inside the cabinet 100 and the heat exchanger 300 is slantingly provided above the blower 400 to perform heat exchange with the air discharged from the blower 400.
  • the cabinet 100 includes a front cabinet 110, a rear cabinet 120, and a base 130.
  • the base 130 supports lower portions of the front and rear cabinets 110 and 120.
  • the front cabinet 110 is fixed to the front end of the rear cabinet 120 to form a space that receives the blower 400 and the heat exchanger 300.
  • the front cabinet 110 has a rear side and a bottom that are opened.
  • the front cabinet 110 includes a front surface, left side portions 111 and 112, and right side portions 113 and 114.
  • the left and right side portions are provided at both sides of the front surface.
  • the cabinet 100 provided with the left and right air outlets 101 and 102 include the left and right side portions 111 to 114.
  • the left and right side portions of the front cabinet 110 may be extended toward the rear in a vertical direction from the front surface of the front cabinet 110.
  • the left and right side portions of the front cabinet 110 include a left slant surface 111a and a right slant surface 113a that are spaced apart from each other toward the rear at a predetermined angle from the front surface of the front cabinet 110.
  • a slant angle between the front surface of the front cabinet 110 and the left slant surface 111a and a slant angle between the front surface of the front cabinet 110 and the right slant surface 113a are preferably within the range of 15° to 25°, more specifically, 20°.
  • the slant angles are not limited to the above range.
  • the left slant surface 111a and the right slant surface 113a may be replaced with a left plane portion (not shown) and a right plane portion (not shown) that are substantially flush with the front surface of the front cabinet.
  • the left air outlet 101 and the right air outlet 102 may respectively be formed at the left plane portion and the right plane portion.
  • the left and right side portions 112 and 114 may be substantially vertical to the front surface of the front cabinet 110.
  • the upper half of the front cabinet 110 provided with the air outlets 101, 102 and 103 and the lower half of the front cabinet 110 provided with the left and right air inlets 105 and 106 may separately provided to be detached from each other.
  • the left lower half provided with the left air inlet 105 is made of a left lower panel separately provided.
  • the right lower half provided with the right air inlet 106 is also made of a right lower panel separately provided.
  • the left air outlet 101 and the right air outlet 102 are respectively formed at the left side portions 111 and 112 and the right side portions 113 and 114 corresponding to the upper half of the front cabinet.
  • the left and right air outlets 101 and 102 are respectively formed at the left slant surface 111a and the right slant surface 113a of the upper half of the front cabinet 110.
  • the left air inlet 105 and the right air inlet 106 are respectively formed at both sides 112b and 114b of the lower half of the front cabinet 110, i.e., at the left and right sides of the lower half.
  • a wind controller that controls the wind of the discharged air is respectively provided at the left air outlet 101 and the right air outlet 102.
  • a plate shaped left wind vane 141 is provided at the left air outlet 101 and a plate shaped right wind vane 142 is provided at the right air outlet 102.
  • Upper and lower ends of the left and right wind vanes 141 and 142 are rotatably connected with upper and lower ends of the left and right air outlets 101 and 102, and driving motors 141a and 142a are connected to any one of the upper and lower ends of the left and right wind vanes 141 and 142 to change the wind of the discharged air to left and right directions.
  • a door driving gear 600 is provided at the upper portion of the front surface of the front cabinet 110 to drive the left and right outlet doors 210 and 220.
  • the door driving gear is covered with a front cover 150 constituting the front surface of the upper half of the front cabinet 110, and a fitting plate 160 is provided at the rear of the front cover 150 to fit the door driving gear.
  • the door driving gear will be described later in detail with reference to FIG. 7 to FIG. 9.
  • the upper air outlet 103 is formed at an upper side 115 substantially vertical to the front surface of the front cabinet 110.
  • the upper air outlet 103 is provided with an upper door 230 rotated by a separate driving motor 231.
  • the upper door 230 opens and closes the upper air outlet 103 and at the same time controls the wind of the discharged air.
  • left and right inlet vanes 143 and 144 are rotatably provided at the left and right air inlets 105 and 106, respectively.
  • the left and right inlet vanes 143 and 144 open and close the left and right air inlets 105 and 106 and at the same time guide the sucked air.
  • Upper and lower ends of the left and right inlet vanes 143 and 144 are rotatably connected with upper and lower ends of the left and right air inlets 105 and 106, and separate driving motors 143a and 144a are connected to any one of the upper and lower ends of the left and right inlet vanes 143 and 144.
  • filter setting portions 161 and 162 are provided inside the left and right air inlets 105 and 106 so that left and right air filters 161a and 162a are set therein.
  • the air filters 161a and 162a are drawn out through the opened front surface of the lower half of the front cabinet 110.
  • a filter assembly 163 is preferably provided at the upper surface of the base 130, particularly, the upper side of the front air inlet 104.
  • the filter assembly 163 purges the air sucked through the front air inlet 104.
  • the filter assembly 163 includes a plurality of filters 163a, 163b and 163c arranged up and down.
  • the filters are comprised of hepa-filters and high performance filters such as nano-filters that remove odor particles or bacilli.
  • the rear cabinet 120 has an opened front surface and an opened bottom, and its horizontal section has a trapezoidal shape enlarged toward the front to improve space utility if the indoor unit is provided at a corner of a room.
  • An upper panel 121 downwardly slanted toward the rear to form a ceiling of the rear cabinet 120 is fixed to the upper portion of the rear cabinet 120.
  • a front door 170 is provided at the front of the aforementioned cabinet 100 to cover the front surface of the front cabinet 110.
  • One side at the lower end of the front door 170 is rotatably connected with the base 130 and one side at the upper end of the front door 170 is rotatably connected with the upper end of the front cabinet 110.
  • the door plate 172 is provided with an opening hole 172a, and a display 174 is provided at the rear side of the door plate 172 to display various information such as driving information through the opening hole 172a and the glass 171.
  • the blower 400 sucks the indoor air through the air inlets 104, 105 and 106 and forcibly urges air flow to allow the sucked air to be discharged out through the heat exchanger 300 and the air outlets 101, 102 and 103.
  • the blower 400 includes a blower housing 410 provided at the lower portion inside the cabinet 100 and a blower fan 420 provided inside the blower housing 410.
  • the blower housing 410 has an opened front surface to communicate with an orifice 430 that guides the air sucked through the air inlets.
  • An air outlet hole 411 is formed at the upper surface of the blower housing 410 to discharge the air toward an upward direction where the heat exchanger 300 is positioned.
  • blower fan 420 there is provided a turbo fan that axially sucks the air by means of driving of a blower motor 421 and radially discharges the air.
  • an electric dust collector 500 is preferably provided at the front of the orifice 430.
  • the electric dust collector 500 includes a high voltage generator 510, an ionizing portion 520, and a collecting portion 530.
  • the high voltage generator 510 applies a high voltage to the ionizing portion 520 to induce discharge.
  • the ionizing portion 520 ionizes dust in the air using energy generated during discharge and irradiates light energy.
  • the collecting portion 530 collects the ionized dust.
  • a fan 310 is arranged below the heat exchanger 300 to store condensed water therein.
  • the condensed water is generated on the surface of the heat exchanger 300 and dropped.
  • a drain hose (not shown) is connected to one side of the fan 310 to drain the condensed water outside the indoor unit.
  • the door driving gear 600 includes a door transfer unit transferring the left and right outlet doors 210 and 220, and a driving portion driving the door transfer unit.
  • the door transfer unit transfers the left and right outlet doors 210 and 220 in a horizontal direction so that the left and right air outlets 101 and 102 are opened and closed.
  • the door transfer unit includes a first transfer body 610 provided at the left outlet door 210 and a second transfer body 620 provided at the right outlet door 220.
  • the first transfer body 610 and the second transfer body 620 are rotatably connected to the left outlet door 210 and the right outlet door 220, respectively.
  • the first and second transfer bodies are not limited to such case.
  • the first and second transfer bodies may be formed in a single body in the same manner as those of the second embodiment that will be described later.
  • the first transfer body 610 and the second transfer body 620 are separately provided to respectively transfer the left outlet door 210 and the right outlet door 220.
  • At least one or more hooks 611 and 621 are provided at any one of the left outlet door 210 and the first transfer body 610.
  • At least one or more shafts 210a and 220a are provided at the other of the left outlet door 210 and the first transfer body 610 and caught in the hooks 611 and 621 to form rotational shafts, so that the left outlet door 210 is rotatably connected with the first transfer body 610 and at the same time the left outlet door 210 is detachably connected with the first transfer body 610.
  • a plurality of the shafts 210a are provided at the right side end of the left outlet door 210, and a plurality of the hooks 611 respectively connected to the shafts 210a are provided at the left end of the first transfer body 610.
  • the plurality of shafts 220a are provided at the left end of the right outlet door 220, and the plurality of hooks 621 respectively connected to the shafts 220a are provided at the right end of the second transfer body 220.
  • first transfer body 610 and the second transfer body 620 respectively connected to the left and right outlet doors 210 and 220 are preferably driven by a single motor 183.
  • the first transfer body 610 includes a first door link portion 612 and a first rack bar 613.
  • the first door link portion 612 is provided with the hooks 611 connected to the shafts 210a of the left outlet door.
  • the first rack bar 613 is extended from the right side of the first door link portion 612 to the second transfer body 620 at a predetermined length.
  • the first rack bar 613 and the second rack bar 623 are respectively provided with a first rack 613a and a second rack 623a.
  • the first rack 613a and the second rack 623a are preferably engaged with a pinion gear 631 rotated by a motor 630.
  • the motor 630 is provided in the driving portion.
  • the pinion gear 631 may directly be fixed to a shaft of the motor 630 to simplify its structure. Therefore, the door transfer unit can be driven by the single motor 630.
  • the driving portion including the motor 630 is provided at a middle portion of the fitting plate 160 provided with the door driving gear.
  • the first rack bar 613 is provided below the pinion gear 631, and the second rack bar 623 is provided above the pinion gear 631 in parallel with the first rack bar 613.
  • the first rack 613a is formed along the upper side of the first rack bar 613 to be engaged with the lower end of the pinion gear 631
  • the second rack 632a is formed along the lower side of the second rack bar 623 to be engaged with the upper end of the pinion gear 631.
  • the door driving gear is provided with a guide that guides the door transfer unit.
  • An example of the guide includes guide bosses 641 and 642 and guide slots 651 and 652.
  • the guide bosses 641 and 642 are formed at any one of the cabinet 100 and the door transfer unit.
  • the guide slots 651 and 652 are longitudinally formed at the other of the cabinet 100 and the door transfer unit in a transfer direction of the door transfer unit.
  • the guide slots 651 and 652 are formed at a part of the first transfer body 610 and the second transfer body 620, particularly, the door link portions 612 and 622.
  • the guide bosses 641 and 642 corresponding to the guide slots 651 and 652 are projected from the fitting plate 160 of the cabinet to the front and respectively inserted into the guide slots 651 and 652.
  • the guide bosses 641 and 642 and the guide slots 651 and 652 guide the first transfer body 610 and the second transfer body 620 when the first transfer body 610 and the second transfer body 620 are transferred in a horizontal direction by rotation of the pinion gear 631.
  • the guide further includes a support that guides the door transfer unit, i.e., the first transfer body 610 and the second transfer body 620 and at the same time prevents the first and second transfer bodies 610 and 620 from being detached from the door transfer unit.
  • a first support rib 653a and a second support rib 653b are provided in the indoor unit of the air-conditioning system according to the present invention.
  • the first support rib 653a supports one side of the first transfer body 610 while the second support rib 653b supports the second transfer body 620.
  • first support rib 653a is projected from the fitting plate 160 to the front to adjoin the lower side of the first rack bar 613 while the second support rib 653b is projected from the fitting plate 160 to the front to adjoin the upper side of the second rack bar 623.
  • the first support rib 653a has a ' ⁇ ' shaped vertical section to improve its strength and minimize friction.
  • the second support rib 653b has a ' ⁇ ' shaped vertical section.
  • the support may be formed in a rotatable roller type, particularly a train wheel shaped roller type.
  • the indoor unit of the air-conditioning system is preferably provided with a friction damper that minimizes friction between the door transfer unit and the cabinet 100.
  • the friction damper includes first and second slip ribs 661 and 662 projected at one side of the door transfer units 610 and 620 and the cabinet.
  • the slip ribs 661 and 662 are linearly in contact with the fitting plate 160 to minimize friction between the slip ribs 661 and 662 and the cabinet 100, particularly, between the slip ribs 661 and 662 and the front surface of the fitting plate 160.
  • the friction damper may be comprised of a roller (not shown) provided at least one side of the fitting plate 160 of the cabinet and the door transfer unit.
  • the door transfer unit further includes an interference preventing portion that prevents interference between the first transfer body 610 and the second transfer body 620 when the left and right outlet doors 210 and 220 are opened.
  • the interference preventing portion includes a first interference preventing groove 614 and a second interference preventing groove 624.
  • the first interference preventing groove 614 is formed in the first transfer body 610 to prevent interference with the second rack bar 623.
  • the second interference preventing groove 624 is formed in the second transfer body 620 to prevent interference with the first rack bar 613.
  • the indoor unit of the air-conditioning system according to the present invention further includes a door guide that guides the left and right outlet doors 210 and 220.
  • the first door guide groove 671a is formed at the left air outlet 101
  • the second door guide groove 671b is formed at the right air outlet 102.
  • the left outlet door 210 is provided with the first door guide boss 672a that moves along the first door guide groove 671a
  • the right outlet door 220 is provided with the second door guide boss 672b that moves along the second door guide groove 671b.
  • the respective door guide grooves 671a and 671b are longitudinally formed at the upper edges of the left and right air outlets 101 and 102 in left and right directions.
  • the respective door guide bosses 672a and 672b are provided at the upper portions of the left and right outlet doors 210 and 220.
  • the position sensor 680 includes a photo sensor that senses at least one sensed portion provided at a predetermined portion of any one of the door transfer bodies 610 and 620 and the left and right outlet doors 210 and 220.
  • the position sensor 680 senses the position of the second transfer body 620 to sense the positions of the left and right outlet doors 210 and 220. As a result, the position sensor 680 senses opening and closing of the left and right outlet doors 210 and 220.
  • the photo sensor is provided at a predetermined portion of the fitting plate 160, and the sensed portion includes a first sensed body 691 and a second sensed body 692 spaced apart from the second transfer body 620 at a predetermined interval.
  • the photo sensor includes a light-emitting portion 681 and a light-receiving portion 682 that faces the light-emitting portion and receives light emitted from the light-emitting portion 681.
  • the first sensed body 691 and the second sensed body 692 are provided at the rear side of the second transfer body to pass through a space between the light-emitting portion 681 and the light-receiving portion 682 when the left and right outlet doors are opened and closed.
  • the first sensed body 691 is positioned between the light-emitting portion 681 and the light-receiving portion 682 when the left and right outlet doors 210 and 220 are fully closed.
  • the second sensed body 692 is positioned between the light-emitting portion 681 and the light-receiving portion 682 when the left and right outlet doors 210 and 220 are fully opened.
  • the door driving gear is driven so that the left and right outlet doors 210 and 220 are simultaneously opened by horizontal movement, and the upper door 230 is also opened.
  • the left inlet vanes 143 and 144 are respectively opened by rotation to open the left and right air inlets 105 and 106.
  • the indoor air is sucked into the cabinet through the respective air inlets 104, 105 and 106 as the blower 400 is driven.
  • the sucked air is purged while passing through the air filters 161a and 162a and the filter assembly 163 constituting an air purging system.
  • the air that has passed through the air filters 161a and 162a and the filter assembly 163 passes through the electric dust collector 500 positioned at the front of the blower 400.
  • the electric dust collector 500 ionizes dust in the air and odor particles and then collects the ionized dust and the ionized odor particles.
  • the left and right wind vanes 141 and 142 control the discharged air.
  • the left and right outlet doors 210 and 220 are transferred in a horizontal direction by the first and second transfer bodies 610 and 620 transferred by rotation of the pinion gear 631 and at the same time are closed.
  • the upper door 230 and the left and right inlet vanes 143 and 144 are closed by the respective driving motors to prevent foreign matters from being flown into the cabinet 100.
  • the upper door and the inlet vanes depends on room cooling, room heating, and the air blowing amount for air purging.
  • the indoor unit is mainly driven for air purging, the left and right air inlets 105 and 106 are sealed and the air is sucked through the front air inlet 104 only.
  • an air purging mode may be carried out in a state that the air outlets 101, 102 and 103 are all opened, the left and right air outlets 101 and 102 are sealed by the left and right outlet doors 210 and 220 and the upper air outlet 103 is only opened considering balance with air suction.
  • the air flown into the cabinet 100 through the front air inlet 104 is purged so that fine dust and odor particles are removed from the air while passing through the filter assembly 163 and the electric dust collector 500. Then, the air is discharged to the indoor place through the upper air outlet 103.
  • a door driving gear 700 provided in the indoor unit according to the second embodiment is constructed in such a manner that one of the left and right air outlets 101 and 102 is opened while the other is closed.
  • the door transfer unit includes a transfer body 710 of which one side is connected to the left outlet door 210 and the other side is connected to the right outlet door 220.
  • the transfer body 710 is constructed in such a manner that it switches a rotational motion generated by the motor 630 provided in the driving portion to a rectilinear motion and transfers the rectilinear motion to the air outlet doors 210 and 220.
  • the door transfer unit is not limited to such construction.
  • the one side and the other side of the transfer body 710 i.e., the left side and the right side of the transfer body 710 are rotatably connected to the left and right outlet doors 210 and 220, respectively.
  • the transfer body 710 is not limited to such case.
  • At least one or more hooks 710a are provided at any one of the left outlet door 210 and the left side of the transfer body 710.
  • At least one or more shafts 210a are provided at the other of the left outlet door 210 and the left side of the transfer body 710 and caught in the hooks 710a to form rotational shafts, so that the left outlet door 210 is rotatably connected with the transfer body 710 and at the same time the left outlet door 210 is detachably connected with the transfer body 710.
  • a plurality of the shafts 210a are provided at the right side end of the left outlet door 210, and a plurality of the hooks 710a respectively connected to the shafts 210a are provided at the left end of the transfer body 710.
  • a plurality of shafts 220a are provided at the left end of the right outlet door 220, and a plurality of hooks 710b respectively connected to the shafts 220a are provided at the right end of the transfer body 710.
  • the transfer body 710 respectively connected to the left and right outlet doors 210 and 220 is preferably driven by a single motor 630.
  • the door driving gear is provided with a guide that guides the door transfer unit.
  • the guide slots 651 and 652 are formed at a predetermined portion of the transfer body 710, and the guide bosses 641and 642 are provided in the fitting plate 160.
  • the guide slot 651 is respectively formed at the first door link portion 711 and the second door link portion 712 in a transfer direction of the transfer body 710.
  • the guide bosses 641 and 642 corresponding to the guide slots 651 and 652 are projected from the fitting plate 160 of the cabinet to the front and respectively inserted into the guide slots 651 and 652.
  • the guide further includes a support that guides the door transfer unit, i.e., the transfer body 710 and at the same time prevents the transfer body 710 from being detached from the door transfer unit.
  • a support rib 720 that supports the transfer body 710 in this embodiment.
  • the support rib 720 has a ' ⁇ ' shaped vertical section to improve its strength and minimize friction.
  • the support rib 720 is provided to adjoin the upper side of the rack bar 713 if the rack bar 713 is provided above the pinion gear.
  • the indoor unit of the air-conditioning system is preferably provided with a friction damper that minimizes friction between the door transfer unit and the cabinet 100.
  • the friction damper includes at least one slip rib 730 projected at one side of the transfer body 710 and the cabinet 100.
  • the slip rib 730 is formed at the rear side of the transfer body 710.
  • slip rib 730 is respectively formed at the rear sides of the first door link portion 711 and the second door link portion 712.
  • the slip rib 730 is linearly in contact with the fitting plate 160 to minimize friction between the slip rib 730 and the cabinet 100, particularly, between the slip rib 730 and the front surface of the fitting plate 160.
  • the friction damper may be comprised of a roller (not shown) provided at least one side of the fitting plate 160 of the cabinet and the door transfer unit.
  • the indoor unit of the air-conditioning system according to the second embodiment can be operated in an opening mode of the left air outlet and an opening mode of the right air outlet.
  • the left air outlet is opened while the right air outlet is closed.
  • the right air outlet is opened while the left air outlet is closed.
  • the pinion gear 631 is rotated in one direction to transfer the transfer body 710 to the right.
  • the left outlet door 210 is opened and at the same time the right outlet door 220 is closed.
  • the upper door 230 can selectively be opened depending on operation conditions.
  • the left and right inlet vanes 143 and 144 are respectively opened so that the indoor air is flown into the cabinet 100 through the air inlets 104, 105 and 106 as the blower 400 is driven.
  • the indoor air is purged by the air filters 161a and 162a and the filter assembly 163 while flowing into the cabinet 100 through the air inlets 104, 105 and 106 and then is again purged by the electric dust collector 500.
  • the purged air is cooled or heated by the heat exchanger 300, and the cooled or heated air is then discharged into the room through the left air outlet 101. If the upper air outlet 103 is opened, the cooled or heated air is also discharged through the upper air outlet 103.
  • the pinion gear 631 is rotated in the other direction to transfer the transfer body 710 to the left.
  • the left and right inlet vanes 143 and 144 are respectively opened so that the indoor air is flown into the cabinet 100 through the air inlets 104, 105 and 106 as the blower 400 is driven.
  • the indoor air is purged by the air filters 161a and 162a and the filter assembly 163 while flowing into the cabinet 100 through the air inlets 104, 105 and 106 and then is again purged by the electric dust collector 500.
  • the indoor unit of the air-conditioning system can be operated in a state that both the left air outlet 101 and the right air outlet 102 are partially opened.
  • the indoor unit is preferably provided with a sensor such as the aforementioned position sensor 680.
  • the other construction of the indoor unit according to the second embodiment are the same as that of the indoor unit according to the first embodiment except for the wind controller that controls the wind of the air discharged through the left and right air outlets. Therefore, the same reference numbers will be used throughout the drawings to refer to the same or like parts and their repeated description will be omitted.
  • the wind controller provided in the indoor unit of the air-conditioning system according to the third embodiment of the present invention is constructed to change the wind of the air discharged from the left and right air outlets in up and down directions.
  • the wind controller includes a plurality of left and right outlet vanes 145 and 146 respectively arranged up and down in the left and right air outlets 101 and 102.
  • Each of the left outlet vanes 145 provided in the left air outlet 101 is rotatably provided up and down around a rotational shaft line parallel with the base 130.
  • the left outlet vanes 145 are interlocked by the left interlocking member 145a driven by a left vane driving motor 145b.
  • the left vane driving motor 145b ascends the left interlocking member 145a or rotates the left outlet vane 145.
  • Each of the right outlet vanes 146 provided in the right air outlet 102 is rotatably provided up and down around the rotational shaft line parallel with the base 130.
  • the right outlet vanes 146 are interlocked by a right interlocking member 146a.
  • the left and right inlet vanes 143 and 144 in the first embodiment are replaced with left and right inlet grills 147 and 148.
  • the left and right inlet grills 147 and 148 are respectively provided in the left and right air outlets 105 and 106.
  • the left and right inlet grills 147 and 148 are detachably provided.
  • the indoor unit of the air-conditioning system includes a left air inlet 107 and a right air inlet 108 respectively formed at the left and right slant surfaces 111b and 112b corresponding to the lower half of the front cabinet.
  • the left air inlet 107 and the right air inlet 108 are respectively provided with a left inlet vane (not shown) and a right inlet vane 144 that are rotatable.
  • the indoor unit of the air-conditioning system according to the present invention has the following advantages.
  • the door driving gear that drives the left and right outlet doors has a simple structure, its manufacturing work is easy and the manufacturing cost is reduced.
  • the left and right air outlets are formed at a portion different from that of the left and right air inlets, it is possible to prevent the air discharged from the cabinet from being mixed with the air sucked into the cabinet, thereby preventing the discharged air from again flowing into the cabinet.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Air Conditioning Control Device (AREA)
  • Air-Flow Control Members (AREA)
EP05258105A 2004-12-30 2005-12-29 Innenraumeinheit einer Klimaanlage Expired - Fee Related EP1686327B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020040116241A KR100758951B1 (ko) 2004-12-30 2004-12-30 공기조화기의 실내기
KR1020040116242A KR100788809B1 (ko) 2004-12-30 2004-12-30 공기조화기의 실내기
KR1020050031473A KR100688210B1 (ko) 2005-04-15 2005-04-15 공기 조화기의 실내기

Publications (2)

Publication Number Publication Date
EP1686327A1 true EP1686327A1 (de) 2006-08-02
EP1686327B1 EP1686327B1 (de) 2008-12-31

Family

ID=36096105

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05258105A Expired - Fee Related EP1686327B1 (de) 2004-12-30 2005-12-29 Innenraumeinheit einer Klimaanlage

Country Status (3)

Country Link
EP (1) EP1686327B1 (de)
DE (1) DE602005012048D1 (de)
WO (1) WO2006071070A2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2339250A3 (de) * 2009-12-28 2012-12-26 LG Electronics Inc. Klimaanlage
EP2835586A4 (de) * 2012-03-01 2015-12-23 Mitsubishi Electric Corp Klimaanlage vom fussbodentyp

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020045831A (ja) * 2018-09-20 2020-03-26 パナソニックＩｐマネジメント株式会社 送風装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585827A (en) * 1978-12-21 1980-06-28 Fuji Electric Co Ltd Air conditioner
JPH08178344A (ja) * 1994-12-27 1996-07-12 Toshiba Corp 空気調和装置
US5782688A (en) * 1996-03-21 1998-07-21 Samsung Electronics Co., Ltd Apparatus for closing an air outlet door of an air conditioner
JP2000249360A (ja) * 1999-02-24 2000-09-12 Lg Electronics Inc ３面吐出型空気調和機
US20010052240A1 (en) * 2000-06-12 2001-12-20 Jong-Whal Kim Air outlet opening apparatus for air conditioners
JP2003343871A (ja) 2002-05-29 2003-12-03 Daikin Ind Ltd 床置き形空気調和機

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585827A (en) * 1978-12-21 1980-06-28 Fuji Electric Co Ltd Air conditioner
JPH08178344A (ja) * 1994-12-27 1996-07-12 Toshiba Corp 空気調和装置
US5782688A (en) * 1996-03-21 1998-07-21 Samsung Electronics Co., Ltd Apparatus for closing an air outlet door of an air conditioner
JP2000249360A (ja) * 1999-02-24 2000-09-12 Lg Electronics Inc ３面吐出型空気調和機
US20010052240A1 (en) * 2000-06-12 2001-12-20 Jong-Whal Kim Air outlet opening apparatus for air conditioners
JP2003343871A (ja) 2002-05-29 2003-12-03 Daikin Ind Ltd 床置き形空気調和機

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 004, no. 128 (M - 031) 9 September 1980 (1980-09-09) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 11 29 November 1996 (1996-11-29) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 12 3 January 2001 (2001-01-03) *
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 12 5 December 2003 (2003-12-05) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2339250A3 (de) * 2009-12-28 2012-12-26 LG Electronics Inc. Klimaanlage
EP2835586A4 (de) * 2012-03-01 2015-12-23 Mitsubishi Electric Corp Klimaanlage vom fussbodentyp

Also Published As

Publication number Publication date
WO2006071070A2 (en) 2006-07-06
DE602005012048D1 (de) 2009-02-12
EP1686327B1 (de) 2008-12-31
WO2006071070A3 (en) 2009-04-30

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