EP3078917A1 - Système climatiseur à unité d'environnement intérieur montée sur plafond - Google Patents

Système climatiseur à unité d'environnement intérieur montée sur plafond Download PDF

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Publication number
EP3078917A1
EP3078917A1 EP14867097.9A EP14867097A EP3078917A1 EP 3078917 A1 EP3078917 A1 EP 3078917A1 EP 14867097 A EP14867097 A EP 14867097A EP 3078917 A1 EP3078917 A1 EP 3078917A1
Authority
EP
European Patent Office
Prior art keywords
air
indoor unit
ceiling
air outlet
conditioner indoor
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
EP14867097.9A
Other languages
German (de)
English (en)
Other versions
EP3078917B1 (fr
EP3078917A4 (fr
Inventor
Mingzhu Dong
Jianming Tan
Yuhai Su
Hui Du
Cheng Wang
Xinjian Lei
Huoxi ZHOU
Huiyuan FENG
Chenglong ZHAO
Wenqi KUANG
Zebo CHEN
Yaobiao YUE
Weixue LIN
Bo Cai
Ziqi LI
Yingsong ZHANG
Yaqian PAN
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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 Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Publication of EP3078917A1 publication Critical patent/EP3078917A1/fr
Publication of EP3078917A4 publication Critical patent/EP3078917A4/fr
Application granted granted Critical
Publication of EP3078917B1 publication Critical patent/EP3078917B1/fr
Active 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
    • 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
    • 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
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0025—Cross-flow or tangential fans
    • 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
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • 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

Definitions

  • the disclosure relates to the field of air conditioners, and in particular to a ceiling-type air-conditioner indoor unit system.
  • a partial-ceiling type air conditioner serving as one of the hidden air conditioners is more space-efficient.
  • Conventional partial-ceiling type hidden indoor units on the market adopt an airflow circulating mode of laterally supplying air which is laterally returned or laterally supplying air which is downwardly returned.
  • the mounting height of a unit is about 2.8m, so that during heating of the unit, after hot air is laterally supplied, the hot air floats over an air-conditioning room by following a principle of thermal expansion, the hot air cannot reach an active area of people, and therefore the thermal comfort of the room is bad.
  • engineering aluminium frame type air ports or guide blade plastic type air ports adopted for a traditional unit cannot be closed, insects and dust cannot be prevented from entering the unit, and therefore the reliability of the unit is low.
  • the disclosure aims to provide a ceiling-type air-conditioner indoor unit system, which is intended to solve the technical problem of bad thermal comfort of a room in a traditional unit air supply mode.
  • the disclosure provides a ceiling-type air-conditioner indoor unit system.
  • An indoor unit may be provided in a ceiling.
  • the system may further comprise: a return air inlet, provided on a side surface of the ceiling; and an air outlet, provided on a bottom surface of the ceiling.
  • a closeable return air inlet apparatus may be provided at the return air inlet, and a closeable air outlet apparatus may be provided at the air outlet.
  • the air outlet apparatus may comprise an air output apparatus and an air guide portion movably sleeved inside the air output apparatus in a vertical direction.
  • the air guide portion may comprise a side wall, and a first air outlet may be formed at the bottom of the air guide portion.
  • the air guide portion may further comprise a second air outlet, provided on the side wall.
  • the second air outlet When the air guide portion retracts into the air output apparatus, the second air outlet may be closed. When the air guide portion extends out of the air output apparatus, the second air outlet may be opened.
  • the side wall may comprise two first side walls which are provided oppositely and two second side walls which are provided between the two first side walls, and the second air outlet may be provided on at least one of the two first side walls.
  • a first air outlet and a second air outlet independent of each other may be provided on the air guide portion.
  • the first air outlet may be provided with an air guide blade.
  • the air guide blade When the air guide blade is closed, the first air outlet is able to be closed by the air guide blade.
  • the first air outlet may be provided with a plurality of air guide blades. When the air guide blades are closed, the first air outlet is able to be closed by the air guide blades.
  • the indoor unit may be provided with a cross flow fan, comprising a volute and a fan blade.
  • a volute profile of the volute may comprise: a circular arc segment, provided at an air inlet of the fan; and a helix segment, smoothly connected to the circular arc segment and extending towards an air outlet direction of the fan, the helix segment and the circular arc segment being tangent to a first connecting point B.
  • volute profile may further comprise a straight-line segment, provided at an air outlet of the cross flow fan, the straight-line segment and the helix segment being tangent to a second connecting point A.
  • an evaporator may be provided at a return air inlet of an inner cavity of the indoor unit and may be detachably provided in the indoor unit.
  • the return air inlet of the inner cavity of the indoor unit may be configured to enable the evaporator to enter or exit from the inner cavity of the indoor unit.
  • the indoor unit may be provided with a centrifugal fan and a V-shaped evaporator matched with the centrifugal fan.
  • a sealing material may be provided at a joint of the indoor unit and the air outlet.
  • the disclosure has the beneficial effects as follows.
  • a air outlet direction of the air outlet is arranged to face the ground, so that hot air can be supplied to the lowest position in a room, the thermal comfort of the room is good, the size of a unit is smaller, the space is saved, much decoration space is reserved, and diversified demands are met.
  • the drawings comprise drawing marks: 10, indoor unit; 11, fan blade; 12, volute profile; 121, circular arc segment; 122, helix segment; 123, straight-line segment; 20, ceiling; 30, return air inlet; 31, return air inlet apparatus; 40, air outlet; 41, air outlet apparatus; 411, air output apparatus; 412, air guide portion; 4120, side wall; 4121, first air outlet; 4122, second air outlet; 42, air guide blade; and 50, sealing material.
  • an indoor unit 10 is provided in a ceiling 20.
  • the system further comprises: a return air inlet 30, provided on a side surface of the ceiling; and an air outlet 40, provided on a bottom surface of the ceiling 20.
  • a closeable return air inlet apparatus 31 is provided at the return air inlet 30, and a closeable air outlet apparatus 41 is provided at the air outlet 40.
  • a air outlet direction of the air outlet is arranged to face the ground, so that hot air can be supplied to the lowest position in a room, the thermal comfort of the room is good, the width of the ceiling 20 is reduced, the space is saved, much decoration space is reserved, and diversified demands are met.
  • the indoor unit 10 has the most important features that air is output downwardly; the air outlet 40 of the indoor unit 10 is connected to the lower side of the ceiling 20 to form an air duct, a connection mode may be an air duct flexible connection mode, or an air pipe specially configured to connect the air outlet 40 of the indoor unit 10 and an air port is designed and manufactured mainly in accordance with the sizes of the air outlet 40 of the indoor unit 10 and the air port; one end of the air pipe is connected to the air outlet 40 of the indoor unit 10, and the other end of the air pipe can be connected to a ceiling and communicated with the air port, or the air duct is connected to a side, close to the indoor unit 10, of the air port; under the two situations, the size of the ceiling 20 will be relatively large; and in order to lower the ceiling 20, a mode of providing soft sponge between the indoor unit 10 and the air port is also invented to achieve sealing, and the soft sponge can be replaced with other soft materials.
  • a connection mode may be an air duct flexible connection mode, or an air pipe specially configured to connect the air outlet
  • Components of the air outlet 40 can be fixed to the ceiling by using screws, can be fixed to the ceiling by using clips, can be fixed to the ceiling by the combination of the screws and the clips or can be fixed to the indoor unit 10.
  • the height of the indoor unit 10 can be adjusted by adjusting a lead screw which using lifting the indoor unit 10 at the position of the return air inlet 30 to achieve a needed size, and sealing sponge between the indoor unit 10 and the air outlet 40 also has a tiny height adjustment ability.
  • the return air inlet 30 of the indoor unit 10 is provided on the side surface of the indoor unit 10 and matched with an opening in the side surface of the ceiling 20 to form the return air inlet 30, an air duct for connection can be provided between the return air inlet 30 of the ceiling and the return air inlet 30 of the indoor unit 10, and therefore it can be guaranteed that air is returned only from the position of the return air inlet 30 provided herein; when the partial ceiling 20 is well sealed, the air can be returned without the arrangement of the air duct; when the indoor unit 10 operates, a centrifugal fan of the indoor unit 10 acts, and a negative pressure is formed at the return air inlet 30; and other parts of the partial ceiling 20, except the return air inlet 30, are sealed, and only the return air inlet 30 is not sealed, so that an air duct flow field is formed between the return air inlet 30 of the indoor unit 10 and the return air inlet 30 of the ceiling naturally by means of a pressure difference.
  • Components of the return air inlet 30 are
  • the closeable return air inlet apparatus 31 is provided at the return air inlet 30.
  • the closeable air outlet apparatus 41 is provided at the air outlet 40.
  • insects and dust can be prevented from entering the indoor unit 10 when the indoor unit 10 is closed.
  • the return air inlet 30 may be colsed in a single-panel type, a single panel is opened or closed by rotation, and the rotation of the panel is achieved by the associated movement of a connecting rod and a push rod.
  • the return air inlet apparatus 31 and the air outlet apparatus 41 can be closed and opened by the rotation of a plurality of air guide blades.
  • the air outlet 40 can be designed to have a single air guide blade. When the indoor unit 10 works, the blade extends out, and an air guide function is achieved by the rotation of the guide blade.
  • the air outlet apparatus 41 comprises an air output apparatus 411 and an air guide portion 412 movably sleeved inside the air output apparatus in a vertical direction.
  • the air guide portion 412 comprises a side wall 4120, and a first air outlet 4121 is formed at the bottom of the air guide portion 412.
  • the first air outlet 4121 and a second air outlet 4122 are provided on the air outlet apparatus 41.
  • the first air outlet 40 is provided with an air guide blade 42, or the first air outlet 40 is provided with a plurality of air guide blades 42.
  • the air outlet apparatus 41 is provided with double lift-type air outlets namely the first air outlet 4121 and the second air outlet 4122, which can be controlled to be closed and opened or can be partially closed or opened.
  • the first air outlet 4121 can be closed and opened by the rotation of a plurality of air guide blades.
  • the second air outlet 4122 can be closed and opened by lifting, is opened during stretching, and is closed during retraction.
  • the second air outlet 4122 can be unidirectional or multidirectional.
  • An evaporator is provided at a return air inlet of an inner cavity of the indoor unit 10 and is detachably provided in the indoor unit 10.
  • the return air inlet of the inner cavity of the indoor unit 10 is configured to enable the evaporator to enter or exit from the inner cavity of the indoor unit 10.
  • the indoor unit comprises a shell, the evaporator and a fixing assembly.
  • the shell is provided with an inner shell cavity, an air outlet and the return air inlet.
  • the evaporator is provided in the inner shell cavity and is located at the return air inlet.
  • the fixing assembly detachably fixes the evaporator to the interior of the shell.
  • the return air inlet is configured to enable the evaporator to enter or exit from the inner shell cavity
  • the fixing assembly is configured to be suitable for operating from the return air inlet.
  • the indoor unit may be provided with a cross flow fan or a centrifugal fan.
  • the cross flow fan is designed to be in an air suction type
  • the centrifugal fan may be designed to be in an air blowing type or an air suction type.
  • the cross flow fan is adopted for the indoor unit 10.
  • the indoor unit is provided with a V-shaped evaporator matched with the cross flow fan.
  • the size of the ceiling 20 needed by the indoor unit 10 is small due to the fact that the size of the indoor unit 10 is small and a connecting size between the air outlet 40 and the indoor unit 10 is small.
  • a traditional fan adopts the centrifugal fan, the size of the centrifugal fan is relatively large to achieve the needed air volume of the indoor unit 10, and centrifugal air output is intermittent.
  • the newly designed indoor unit 10 is provided with the cross flow fan and the V-shaped evaporator, the cross flow fan achieves the same air volume, the size of the fan is relatively small, the air volume of the cross flow fan is continuous, an air volume diffusion mixed region is not needed, the cross flow fan matchs with a V-shaped opening of the evaporator, and the size of the indoor unit 10 can be reduced.
  • the indoor unit 10 is provided with the cross flow fan, comprising a volute and a fan blade 11.
  • a volute profile 12 of the volute comprises: a circular arc segment 121, provided at an air inlet of the fan; and a helix segment 122, smoothly connected to the circular arc segment and extending towards an air outlet direction of the fan, the helix segment and the circular arc segment being tangent to a first connecting point B.
  • the volute profile further comprises a straight-line segment 123, provided at an air outlet of the cross flow fan, the straight-line segment 123 and the helix segment 122 being tangent to a second connecting point A.
  • the cross flow fan comprises the volute and the fan blade 11.
  • the volute profile 12 of the volute comprises: the circular arc segment 121, the helix segment 122 and the straight-line segment 123, wherein the circular arc segment 121 is provided at the air inlet of the fan.
  • the helix segment 122 is smoothly connected to the circular arc segment 121.
  • the straight-line segment 123 is provided at the air outlet of the fan and is smoothly connected to one end, away from the circular arc segment 121, of the helix segment 122.
  • the size of a sudden change structure generated at a joint can be reduced, or even the sudden change structure can be avoided, so that airflow can be prevented from eddying when flowing through the joint, and a ratio of the air volume of the fan to the noise is enabled to meet design requirements.
  • the helix segment 122 and the circular arc segment 121 are tangent to the first connecting point B.
  • the straight-line segment 123 and the helix segment 122 are tangent to the second connecting point A.
  • the three segments are connected end to end to form a smooth airflow guide line, and therefore a turbulent flow is not easily generated when the airflow is flowing, thereby achieving the aim of noise reduction.
  • the helix segment 122 plays a role in fitting with the fan blade 11 to form a uniform outlet air containing space.
  • the straight-line segment 123 is designed due to the fact that the fan blade 11 is no longer effective after the airflow passes through the helix segment 122, so it is necessary to design the straight-line segment 123 to guide the airflow to steadily flow out.
  • the effects of the circular arc segment 121 are as follows.
  • the helix segment 122 and the straight-line segment 123 of the fan belong to an air outlet segment, an air inlet segment corresponds to the air outlet segment, and an intersection point of the air inlet segment and the air outlet segment is a point closest to the fan blade 11 and also serves as a boundary point of air inlet and air outlet.
  • the circular arc segment 121 is designed to be of a reverse circular arc structure, namely the circular arc segment 121 bends and extends towards a direction away from the fan blade 11.
  • the circular arc segment can be designed as some other smoothly transitional curves.
  • a sealing material 50 is provided at a joint of the indoor unit and the air outlet 40.
  • the fit dimension of the indoor unit 10 and the air port can be reduced by means of sponge since it is difficult to guarantee the avoidance of air leakage when two hard objects are connected.
  • the surface of the air outlet 40 of the newly designed indoor unit 10 is a plane, and the aligned connection of the air port and the air duct can be realized conveniently by sponge-based flexible connection. Compared with a traditional flexibly connected air duct, the ceiling 20 occupies a smaller space.
  • the air port can be closed, insects and dust can be prevented from entering the indoor unit 10, and therefore the reliability of the indoor unit 10 is effectively improved.
  • the air outlet direction of the air outlet is set to face the ground, so that the hot air can be supplied to the lowest position in the room, and the thermal comfort of the room is good.
  • the air port is closed, the insects and the dust cannot enter the unit, and therefore the reliability of the unit is high.
  • the size of the unit is smaller, the space is saved, much decoration space is reserved, and the diversified demands are met.

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)
  • Duct Arrangements (AREA)
  • Air-Flow Control Members (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP14867097.9A 2013-12-04 2014-07-21 Système climatiseur à unité d'environnement intérieur montée sur plafond Active EP3078917B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310646597.2A CN104697041B (zh) 2013-12-04 2013-12-04 吊顶式空调内机系统
PCT/CN2014/082646 WO2015081704A1 (fr) 2013-12-04 2014-07-21 Système climatiseur à unité d'environnement intérieur montée sur plafond

Publications (3)

Publication Number Publication Date
EP3078917A1 true EP3078917A1 (fr) 2016-10-12
EP3078917A4 EP3078917A4 (fr) 2018-01-24
EP3078917B1 EP3078917B1 (fr) 2020-09-30

Family

ID=53272828

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14867097.9A Active EP3078917B1 (fr) 2013-12-04 2014-07-21 Système climatiseur à unité d'environnement intérieur montée sur plafond

Country Status (5)

Country Link
EP (1) EP3078917B1 (fr)
CN (1) CN104697041B (fr)
AU (2) AU2014360043A1 (fr)
ES (1) ES2837859T3 (fr)
WO (1) WO2015081704A1 (fr)

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WO2020130796A1 (fr) * 2018-12-20 2020-06-25 Daikin Research & Development Malaysia Sdn. Bhd. Unité de climatisation suspendue au plafond
CN112902349A (zh) * 2019-12-02 2021-06-04 Lg电子株式会社 定向气流装置和具有其的空气净化器

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CN105674414A (zh) * 2016-04-22 2016-06-15 苏州艾尔新净化科技有限公司 室内空气净化系统
CN105737320A (zh) * 2016-04-22 2016-07-06 苏州艾尔新净化科技有限公司 教室用集成式空气净化系统
CN105757874A (zh) * 2016-04-22 2016-07-13 苏州艾尔新净化科技有限公司 教室用新风净化系统
CN106123263B (zh) * 2016-06-20 2019-06-11 珠海格力电器股份有限公司 吊顶式空调及其出风装置
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CN110939986B (zh) * 2018-09-20 2023-05-23 青岛海尔智能技术研发有限公司 一种空调吊顶机
CN109282360A (zh) * 2018-11-08 2019-01-29 宁波奥克斯电气股份有限公司 一种风管机送风机构以及风管式空调器
CN111043665A (zh) * 2019-12-19 2020-04-21 宁波奥克斯电气股份有限公司 一种新风空调
CN113251521A (zh) * 2021-05-18 2021-08-13 上海珀尼环境节能工程有限责任公司 一种厨房空调系统
CN115406001A (zh) * 2022-08-30 2022-11-29 珠海格力电器股份有限公司 一种天井机的控制方法、控制装置及天井机
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Publication number Priority date Publication date Assignee Title
WO2020130796A1 (fr) * 2018-12-20 2020-06-25 Daikin Research & Development Malaysia Sdn. Bhd. Unité de climatisation suspendue au plafond
CN112902349A (zh) * 2019-12-02 2021-06-04 Lg电子株式会社 定向气流装置和具有其的空气净化器
EP3832215A1 (fr) * 2019-12-02 2021-06-09 LG Electronics Inc. Dispositif d'écoulement d'air directionnel

Also Published As

Publication number Publication date
EP3078917B1 (fr) 2020-09-30
AU2018250394A1 (en) 2018-11-08
AU2014360043A1 (en) 2016-07-21
ES2837859T3 (es) 2021-07-01
AU2018250394B2 (en) 2020-10-22
EP3078917A4 (fr) 2018-01-24
CN104697041B (zh) 2018-09-18
CN104697041A (zh) 2015-06-10
WO2015081704A1 (fr) 2015-06-11

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