EP2937640A1 - Climatiseur - Google Patents

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Publication number
EP2937640A1
EP2937640A1 EP13864660.9A EP13864660A EP2937640A1 EP 2937640 A1 EP2937640 A1 EP 2937640A1 EP 13864660 A EP13864660 A EP 13864660A EP 2937640 A1 EP2937640 A1 EP 2937640A1
Authority
EP
European Patent Office
Prior art keywords
flap
rotary shaft
air conditioner
rotary
flaps
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.)
Withdrawn
Application number
EP13864660.9A
Other languages
German (de)
English (en)
Other versions
EP2937640A4 (fr
Inventor
So Nakai
Takayuki Nishiguchi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP2937640A1 publication Critical patent/EP2937640A1/fr
Publication of EP2937640A4 publication Critical patent/EP2937640A4/fr
Withdrawn legal-status Critical Current

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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
    • F24F13/08—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
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
    • 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
    • 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
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • 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
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
    • 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
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1446—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with gearings

Definitions

  • the present invention relates to air conditioners configured to perform airflow control by flaps disposed at an outlet.
  • FIG. 8 is an exploded perspective view of a conventional air conditioner as viewed from the bottom surface side
  • FIG. 9 is an enlarged view of a portion B depicted FIG. 8
  • two flaps 103 and 104 are disposed at the front and back of an outlet 102 provided in the bottom surface.
  • the flap 103 has rotary shafts 1031 and the flap 104 has rotary shafts 1041 at the respective two ends in a widthwise (longitudinal) direction (only the rotary shaft 1031 is depicted in FIG. 9 ).
  • the flap 103 is configured to be rotatable outwardly with a motor coupled directly or through a gear box to either one of the rotary shafts 1031 at the two ends
  • the flap 104 is configured to be rotatable outwardly with a motor coupled directly or through a gear box to either one of the rotary shafts 1041 at the two ends.
  • the larger (longer) the surfaces of the flaps the better in terms of blowing an airflow far.
  • the weight thereof is heavier with the larger surfaces, and thus there is a problem such that a stronger torque is desired for the motor for performing rotational control of the flaps, which involves selection of an expensive motor.
  • the flaps take a larger area in the outer appearance, which causes a noticeable difference in shape between in operation and in stopping of the air conditioner, and thus there is also a problem such that the appearance is aesthetically impaired.
  • the present invention has been made to solve the foregoing problems, and an object of the invention is to provide an air conditioner capable of blowing an airflow far with a motor of a lower torque by using two flaps like one larger flap without aesthetically impairing the appearance, and capable of airflow control in a variety of ways.
  • An air conditioner includes: a second flap having a second rotary shaft at a front side of an outlet to be rotatable outwardly from a housing about the second rotary shaft; a second rotary mechanism that rotates the second flap; a third flap coupled with the second flap and disposed inside the housing, and having a third rotary shaft arranged on the same axial center as that of the second rotary shaft to be rotatable about the third rotary shaft; and a third rotary mechanism that rotates the third flap.
  • the present invention because of the above-described configuration, when the two flaps are used like one larger flap, an airflow is blown far with using a conventional lower-torque motor.
  • the third flap when the third flap is housed inside the housing, increase of the area of the flaps occupied in the outer appearance can be prevented, and the shape does not change greatly between in operation and in stopping of the air conditioner, so that the outer appearance is not aesthetically impaired.
  • FIG. 1 is a cross-sectional view depicting a configuration of an air conditioner 1 according to a first embodiment of the present invention.
  • the left side represents the front side of the air conditioner 1 and the right side represents the back side.
  • a housing 2 of the air conditioner 1 contains a heat exchanger 3 and a fan 4 for sending air that has been heat exchanged by the heat exchanger 3. Additionally, an outlet 5 that blows out air sent from the fan 4 to the outside is provided in the bottom surface of the housing 2.
  • the outlet 5 is provided with a front flap (second flap) 6 and a rear flap (first flap) 7 for performing airflow control.
  • the front flap 6 is disposed at the front side of the outlet 5, and a rotary shaft (second rotary shaft) 61 is provided at the rear end of the front flap. Then, the front flap 6 is configured to be rotatable by a rotary mechanism (second rotary mechanism) 62 to be described later about the rotary shaft 61 by about 90 degrees outwardly from the air conditioner 1.
  • the rear flap 7 is disposed at the back side of the outlet 5, and a rotary shaft (first rotary shaft) 71 is provided at the rear end of the rear flap. Then, the rear flap 7 is configured to be rotatable by a rotary mechanism (first rotary mechanism) (not shown) about the rotary shaft 71 by about 90 degrees outwardly from the air conditioner 1.
  • an auxiliary flap (third flap) 8 is disposed inside the housing 2, and coupled with the front flap 6 and operates in cooperation with the front flap 6 to thus constitute one larger flap.
  • a rotary shaft (third rotary shaft) 81 is disposed at the lower end of the auxiliary flap 8, such that the rotary shaft 81 is disposed on the same axial center as the rotary shaft 61 of the front flap 6.
  • the auxiliary flap 8 is configured to be rotatable by a rotary mechanism (third rotary mechanism) 82 to be described later about the rotary shaft 81 by about 45 degrees in each of the forward and backward directions.
  • the outlet 5 is in a state closed by the front flap 6 and the rear flap 7 (the state indicated with a solid line in FIG. 1 ). Therefore, the auxiliary flap 8 is not visible from the outside in this state, and the outer appearance looks the same as a conventional air conditioner 1.
  • FIG. 2 depicts a state in which the front flap 6 and the auxiliary flap 8 are arranged on a flat surface.
  • the rotary mechanisms 62 and 82 are not shown.
  • the front flap 6 is provided with a notch 63 into which the auxiliary flap 8 can be fit, and in which the rotary shaft 81 of the auxiliary flap 8 is disposed on the same axial center as that of its own rotary shaft 61. Additionally, insertion apertures 631 into which the rotary shaft 81 of the auxiliary flap 8 is insertable are prepared in the two side surfaces of the notch 63 portion.
  • the rotary mechanism 62 for rotating the front flap 6 about the rotary shaft 61 is disposed on the side at one end of the front flap 6 in its widthwise (longitudinal) direction and located at a position that is different from that on the axial center of the rotary shaft 61.
  • the rotary mechanism 62 is constituted by including an arcuate rack portion 621, and a gear portion 622 that meshes with the rack portion 621.
  • the gear portion 622 is fixedly positioned, and rotated in a predetermined direction by a motor (not shown) connected thereto to thus rotate the rack portion 621 in a predetermined direction.
  • the motor may be the one having a torque required to rotate the front flap 6.
  • the rotary mechanism 82 for rotating the auxiliary flap 8 about the rotary shaft 81 is disposed on the side at one end of the auxiliary flap 8 in its widthwise (longitudinal) direction and located at a position that is different from that on the axial center of the rotary shaft 81.
  • the rotary mechanism 82 is constituted by including an arcuate rack portion 821, and a gear portion 822 that meshes with the rack portion 821.
  • the gear portion 822 is fixedly positioned, and rotated in a predetermined direction by a motor (not shown) connected thereto to thus rotate the rack portion 821 in a predetermined direction.
  • the motor may be the one having a torque required to rotate the auxiliary flap 8.
  • the auxiliary flap 8 is provided with a notch 83 for housing the motor connected to the rotary mechanism 82.
  • a notch 83 for housing the motor connected to the rotary mechanism 82.
  • installed positions of the motors to be connected to the rotary mechanisms 62 and 82 overlap each other, which may hinder the housings. Therefore, providing the notch 83 in such a case can ensure a space for housing the motors.
  • the notch 83 is unnecessary.
  • the rotary shaft 81 of the auxiliary flap 8 is inserted into the insertion apertures 631 of the front flap 6 configured as mentioned above, and the auxiliary flap 8 is fit into the notch 63 portion of the front flap 6.
  • the front flap 6 is rotationally controlled by the rotary mechanism 62
  • the auxiliary flap 8 is rotationally controlled by the rotary mechanism 82.
  • the front flap 6 and the auxiliary flap 8 are rotationally controlled separately; however, the flaps have the rotary shafts 61 and 81 on the same axial center, which makes it possible to handle the flaps like one larger flap, and makes it possible to blow an airflow far. Further, since the auxiliary flap 8 is housed inside the housing 2, an area of the whole flaps occupied in the outer appearance is as large as that of the conventional air conditioner 1, and the appearance is not aesthetically impaired.
  • the flaps are configured to be formed in a downwardly arcuate shape. Therefore, in a case where a heating operation is performed, such airflow control as will blow a required airflow downward is difficult. Further, in order to blow the airflow far, larger (longer) flaps are required, but in a thin air conditioner, it is difficult to ensure such larger flaps.
  • the front flap 6 and the auxiliary flap 8 that is housed in the housing 2 are operated independently from and in cooperation with each other to provide a larger flap in a variety of shapes, which makes possible airflow control in various ways in cooling and heating operations.
  • the rotary mechanisms 62 and 82 rotate the front flap 6 and the auxiliary flap 8 to constitute a linear flap turning to a vertical direction with the front flap 6 and the auxiliary flap 8.
  • the rear flap 7 is rotated to turn to the vertical direction by the rotary mechanism (not shown). In this manner, it becomes possible to blow the airflow downward.
  • the front flap 6 and the auxiliary flap 8 may be rotated to constitute a pseudo-arcuate flap turning downward with the front flap 6 and the auxiliary flap 8.
  • the rotary mechanisms 62 and 82 rotates the front flap 6 and the auxiliary flap 8 to constitute the pseudo-arcuate flap turning downward with the front flap 6 and the auxiliary flap 8.
  • the rear flap 7 is rotated to turn obliquely downward by the rotary mechanism (not shown). In this manner, it becomes possible to blow the airflow far.
  • the rotary mechanism 82 rotates the auxiliary flap 8 to close a space between a wall surface of the outlet 5 and the front flap 6 (the front side of the outlet 5) with the auxiliary flap 8. In this manner, it becomes possible to reduce a blowout area of the airflow and increase a wind speed.
  • the front flap 6 that has the rotary shaft 61 at the front side of the outlet 5 to be rotatable outwardly from the housing 2 about the rotary shaft 61; and the auxiliary flap 8 coupled with the front flap 6 and disposed inside the housing 2, and having the rotary shaft 81 arranged on the same axial center as that of the rotary shaft 61 to be rotatable about the rotary shaft 81; thus, when the two flaps 6 and 8 are used like one larger flap, the airflow can be blown far with using a conventional lower-torque motor.
  • auxiliary flap 8 when the auxiliary flap 8 is housed inside the housing 2, increase of the area of the whole flaps occupied in the outer appearance can be prevented, and the shape does not change greatly between in operation and in stopping of the air conditioner 1, so that the outer appearance is not aesthetically impaired. Moreover, it becomes possible to perform airflow control in various ways with the flaps 6 and 8 using the above configuration.
  • the rotary mechanisms are intended to be directly connected to the rotary shaft 61 of the front flap 6 and to the rotary shaft 81 of the auxiliary flap 8, the structure becomes complicated because both the rotary shafts 61 and 81 are arranged on the same axial center.
  • the rotary mechanisms 62 and 82 are arranged at positions that are different from those on the axial centers of the above-mentioned rotary shafts 61 and 81, respectively, and thus the structure can be simplified.
  • FIG. 2 illustrates a case in which the front flap 6 is provided with the notch 63 to fit the auxiliary flap 8 in the front flap 6.
  • the auxiliary flap 8 may be provided with a notch, such that the front flap 6 is fitted in the auxiliary flap 8 to arrange the rotary shafts 61 and 81 on the same axial center.
  • the rotary mechanisms 62 and 82 of the front flap 6 and the auxiliary flap 8 are not limited to the configuration depicted in Fig. 4 , but shapes of the rack portions 621 and 821 and arranged places of the gear portions 622 and 822 may be appropriately changed according to the configuration of the air conditioner 1.
  • the air conditioner according to the present invention includes: the second flap having the second rotary shaft at the front side of the outlet to be rotatable outwardly from the housing about the second rotary shaft; and the third flap coupled with the second flap and disposed inside the housing, and having the third rotary shaft arranged on the same axial center as that of the second rotary shaft to be rotatable about the third rotary shaft; thus, when the two flaps are used like one larger flap, the airflow can be blown far with using the conventional lower-torque motor.
  • an air conditioner configured to perform airflow control by flaps disposed at an outlet.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
EP13864660.9A 2012-12-19 2013-09-04 Climatiseur Withdrawn EP2937640A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012277000 2012-12-19
PCT/JP2013/073820 WO2014097685A1 (fr) 2012-12-19 2013-09-04 Climatiseur

Publications (2)

Publication Number Publication Date
EP2937640A1 true EP2937640A1 (fr) 2015-10-28
EP2937640A4 EP2937640A4 (fr) 2016-08-17

Family

ID=50978036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13864660.9A Withdrawn EP2937640A4 (fr) 2012-12-19 2013-09-04 Climatiseur

Country Status (5)

Country Link
US (1) US20150192322A1 (fr)
EP (1) EP2937640A4 (fr)
JP (1) JP5908119B2 (fr)
CN (1) CN104854411B (fr)
WO (1) WO2014097685A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019119867A1 (fr) * 2017-12-22 2019-06-27 格力电器（武汉）有限公司 Structure d'aération et système de climatisation

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019119867A1 (fr) * 2017-12-22 2019-06-27 格力电器（武汉）有限公司 Structure d'aération et système de climatisation

Also Published As

Publication number Publication date
EP2937640A4 (fr) 2016-08-17
JP5908119B2 (ja) 2016-04-26
WO2014097685A1 (fr) 2014-06-26
CN104854411B (zh) 2017-06-13
JPWO2014097685A1 (ja) 2017-01-12
CN104854411A (zh) 2015-08-19
US20150192322A1 (en) 2015-07-09

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