EP3006852B1 - Air-conditioner air supply apparatus with airflow distribution assembly - Google Patents

Air-conditioner air supply apparatus with airflow distribution assembly Download PDF

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Publication number
EP3006852B1
EP3006852B1 EP14808155.7A EP14808155A EP3006852B1 EP 3006852 B1 EP3006852 B1 EP 3006852B1 EP 14808155 A EP14808155 A EP 14808155A EP 3006852 B1 EP3006852 B1 EP 3006852B1
Authority
EP
European Patent Office
Prior art keywords
air
annular
conditioner
heat
exchanged
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.)
Active
Application number
EP14808155.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3006852A4 (en
EP3006852A1 (en
Inventor
Yongtao Wang
Yihui Liu
Jingjing LV
Baosheng YAN
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
Haier Group Corp
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Haier Group 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
Priority claimed from CN 201320314744 external-priority patent/CN203274153U/zh
Priority claimed from CN201310216244.9A external-priority patent/CN103453638B/zh
Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Haier Group Corp filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Publication of EP3006852A1 publication Critical patent/EP3006852A1/en
Publication of EP3006852A4 publication Critical patent/EP3006852A4/en
Application granted granted Critical
Publication of EP3006852B1 publication Critical patent/EP3006852B1/en
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
    • F24F1/0011—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
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • 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
    • F24F13/062—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser having one or more bowls or cones diverging in the flow direction
    • 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
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew

Definitions

  • the present invention relates to the field of air conditioning technologies, and in particular, to an air-conditioner air supply apparatus provided with an airflow distribution assembly.
  • a conventional vertical air-conditioner supplies air
  • air is subjected to heat exchange by a heat exchanger and is directly blown out from an air outlet provided on the air-conditioner under the action of an internal fan, and all of the blown-out air is heat-exchanged air.
  • no additional air supply apparatus is disposed between the heat exchanger and the air outlet.
  • One disadvantage of such an air supply method of the air-conditioner is that indoor air circulation is slow because the supplied air is all heat-exchanged air and the air flow rate is low; another disadvantage is that the supplied air is not mild enough, and especially in the cooling mode, the blown-out cool air directly blows on a user, making the user feel uncomfortable.
  • the air-conditioner air supply apparatus includes an annular cover body.
  • a through-duct running through the annular cover body is formed in the middle of the annular cover body.
  • An annular opening is formed on a wall of the annular cover body.
  • a plurality of annular deflectors is disposed on the annular opening.
  • An annular air outlet duct is formed between adjacent annular deflectors.
  • the air intake volume of the air-conditioner can be increased, indoor air circulation can be accelerated, and the air-conditioner is enabled to supply milder air, thereby making the user feel more comfortable and improving the user experience.
  • the annular deflector and the annular air outlet duct are both formed on one annular cover body, it is not convenient to flexibly select and control the structure of the annular deflector and air outlet duct, resulting in a narrow application scope.
  • the fan of the air-conditioner supplies air from bottom to top
  • the heat-exchanged air is not uniformly distributed in the circumferential direction when entering the annular air outlet duct, and the air flow rate is high at the lower end of the annular air outlet duct but low at the left and right sides of the annular air outlet duct.
  • the air supplied by the air-conditioner air supply apparatus is not uniformly distributed in the entire circumferential direction, affecting the comfort of the user.
  • the air conditioner comprises a main body, wherein the main body is provided with an air suction hole, a space and an discharged main body which is arranged in the space; an opening part and an air outlet are arranged at the discharged main body; the opening part is provided with a discharging space; air is guided by the air outlet to discharge outside the space from the periphery of the opening part; the discharged main body comprises a first main body and a second main body; the first main body is provided with a discharging space; and the air outlet is jointly formed by the second main body and the first main body and is used for guiding air blowed from the main body to disperse towards the air outlet.
  • the air conditioner has the advantages of being capable of making the discharged main body look simple and cleanly keeping the discharge space.
  • One objective of the present invention is to provide an air-conditioner air supply apparatus provided with an airflow distribution assembly, and the airflow distribution assembly is used to distribute air in the circumferential direction of the air supply apparatus, so as to improve the uniformity of air supply.
  • the airflow distribution assembly for uniformly distributing, in a circumferential direction of the at least one annular heat-exchanged air duct, the heat-exchanged air that enters the at least one annular heat-exchanged air duct is disposed in the at least one annular heat-exchanged air duct.
  • the airflow distribution assembly is disposed in all the annular heat-exchanged air ducts.
  • the airflow distribution assembly is disposed on the annular air guiding body located in the middle position, and extends into inner and outer two annular heat-exchanged air ducts formed by the annular air guiding bodies.
  • the annular air guiding body located in the middle position is integrally formed with the airflow distribution assembly disposed on the annular air guiding body.
  • the present invention has the following advantages and positive effects:
  • each structural component as mentioned below is defined in terms of the position of the structural component in the normal use state relative to the user; front or rear, when used to describe the positions at which multiple structural components are arranged, is also defined in terms of the position of an apparatus formed by the multiple structural components in the normal use state relative to the user.
  • heat-exchanged air refers to air that is from the inside of an air-conditioner and has been subjected to heat exchange by a heat exchanger
  • non-heat-exchanged air refers to air from the environmental space in which the air-conditioner is located, is relative to the heat-exchanged air, and is part of air that is not directly from the heat exchanger
  • mixed air refers to air formed by mixing the heat-exchanged air with the non-heat-exchanged air.
  • shape being annular refers an enclosed structure formed by an annular enclosure, and is not limited to being circular.
  • an air-conditioner air supply apparatus that can produce and supply mixed air by mixing heat-exchanged air of a heat exchanger of an air-conditioner with external non-heat-exchanged air, the amount of air supplied can be increased and the temperature of air supplied can be ensured.
  • the fan inside the air-conditioner is located at the lower end, the heat-exchanged air is supplied from bottom to top after being subjected to heat exchange by the heat exchanger; in this case, once such an air-conditioner air supply apparatus is arranged in the air-conditioner, most of the heat-exchanged air enters the air-conditioner air supply apparatus from the bottom of the air-conditioner air supply apparatus under the action of the fan, and only a small amount of air enters the air-conditioner air supply apparatus from left and right sides and the top of the air-conditioner air supply apparatus, resulting in a non-uniform air supply in the circumferential direction of the air-conditioner air supply apparatus.
  • an airflow distribution assembly for distributing, particularly uniformly distributing heat-exchanged air that enters the annular heat-exchanged air duct from the heat exchanger of the air-conditioner may be disposed.
  • the airflow distribution assembly is disposed in all annular heat-exchanged air ducts of the air-conditioner air supply apparatus, so as to make the heat-exchanged air enter the heat-exchanged air duct uniformly in the circumferential direction, thereby improving the uniformity of air supply from the air-conditioner air supply apparatus.
  • FIG. 1 is a schematic structural view of an embodiment of an air-conditioner having an air-conditioner air supply apparatus 1.
  • the air-conditioner of this embodiment includes a front panel 2, a rear panel 3, a left panel, a right panel, a top plate and a bottom plate (not marked in the figure) that constitute a housing of the air-conditioner.
  • the housing defines an internal air duct 4 of the air-conditioner.
  • a mixed air outlet 21 is formed on an upper part of the front panel 2 of the air-conditioner, and a non-heat-exchanged air inlet 31 is formed on an upper part of the rear panel 3 of the air-conditioner and at a position corresponding to the mixed air outlet 21 on the front panel 2.
  • a blower 6, a heat exchanger 5 and an air-conditioner air supply apparatus 1 are disposed from bottom to top in the internal air duct 4, and the blower 6 is arranged in such a manner that air from the internal air duct 4 of the air-conditioner is blown out from the mixed air outlet 21 on the front panel 2.
  • FIG. 2 For the structure of the air-conditioner air supply apparatus 1, refer to the schematic three-dimensional structural view in FIG. 2 , the schematic view of a blast structure in FIG. 3 and the schematic structural rear view in FIG. 4 .
  • the air-conditioner air supply apparatus 1 of this embodiment includes three annular air guiding bodies, respectively being a front-end annular air guiding body 11, a first middle annular air guiding body 13, and a rear-end annular air guiding body 12.
  • Each annular air guiding body in the three annular air guiding bodies that are arranged sequentially from front to rear is a single component, and is formed independently.
  • the front-end annular air guiding body 11 is hollow and has front and rear two openings, respectively being a mixed air outlet 111 and an air inlet 112;
  • the first middle annular air guiding body 13 is hollow and has front and rear two openings, respectively being an air outlet 131 and an air inlet 132;
  • the rear-end annular air guiding body 12 is hollow and has front and rear two openings, respectively being an air outlet 121 and a non-heat-exchanged air inlet 122.
  • the front-end annular air guiding body 11 After the front-end annular air guiding body 11, the first middle annular air guiding body 13 and the rear-end annular air guiding body 12 are arranged sequentially from front to rear, a through-duct (not marked in the figure) that runs through all the three annular air guiding bodies from front to rear is formed in the middle.
  • a first annular heat-exchanged air duct 14 is formed between the front-end annular air guiding body 11 and the first middle annular air guiding body 13; a second annular heat-exchanged air duct 15 is formed between the first middle annular air guiding body 13 and the rear-end annular air guiding body 12; and the internal air duct 4 of the air-conditioner is connected to the through-duct in the air-conditioner air supply apparatus 1 by using the first annular heat-exchanged air duct 14 and the second annular heat-exchanged air duct 15.
  • An airflow distribution assembly 16 that extends into the first annular heat-exchanged air duct 14 and the second annular heat-exchanged air duct 15 is disposed on the first middle annular air guiding body 13.
  • the airflow distribution assembly 16 is preferably integrally formed with the first middle annular air guiding body 13.
  • they may also be separately formed, and then the airflow distribution assembly 16 is fixedly installed on the first middle annular air guiding body 13.
  • the rear-end annular air guiding body 12 is fixed to the rear panel 3 of the air-conditioner
  • the first middle annular air guiding body 13 is first fixed to the front-end annular air guiding body 11 by using a screw, and then the front-end annular air guiding body 11 that is fixed with the first middle annular air guiding body 13 is fixed to the front panel 2 of the air-conditioner.
  • the mixed air outlet 111 of the front-end annular air guiding body 11 used as an air outlet of the entire air-conditioner air supply apparatus 1 is assembled in an enclosed manner with the mixed air outlet 21 on the front panel 2; and the non-heat-exchanged air inlet 122 in the rear-end annular air guiding body 12 used as a non-heat-exchanged air inlet of the entire air-conditioner air supply apparatus 1 is assembled in an enclosed manner with the non-heat-exchanged air inlet 31 on the rear panel 3.
  • the heat-exchanged air is distributed by the airflow distribution assembly 16 to enter the first annular heat-exchanged air duct 14 and the second annular heat-exchanged air duct 15 uniformly in the circumferential direction, then enter the through-duct through the heat-exchanged air duct, and is blown out from the mixed air outlet 21 on the front panel 2 and the mixed air outlet 111 on the front-end annular air guiding body 11 through the through-duct.
  • the flow rate of the heat-exchanged air blown out from the annular heat-exchanged air duct is increased, so that the surface pressure of the corresponding annular air guiding body decreases to form a negative pressure in the through-duct.
  • Indoor air outside the air-conditioner is used as the non-heat-exchanged air.
  • the non-heat-exchanged air enters the through-duct from the non-heat-exchanged air inlet 122 on the rear-end annular air guiding body 12 and the non-heat-exchanged air inlet 31 on the rear panel 3, and is mixed with the heat-exchanged air blown out from the annular heat-exchanged air duct to form mixed air, and then sent to the indoors.
  • air flow test and temperature detection is performed on a vertical air-conditioner.
  • air flow of the inducted non-heat-exchanged air is about 1.1 times of air flow of the heat-exchanged air
  • air flow of the obtained mixed air is about 2.1 times of the air flow of the heat-exchanged air.
  • air flow of the air-conditioner increases about 1.1 times.
  • the room temperature is about 28°C
  • air blown out from the air-conditioner that does not use the air-conditioner air supply apparatus 1 is the heat-exchanged air, and a temperature of the heat-exchanged air is about 14°C; while after the air-conditioner air supply apparatus 1 is used, the mixed air sent out by the air-conditioner is about 19°C, and the temperature of the mixed air satisfies comfort requirements of the human body sensible temperature.
  • Such mixed air is mild, which makes the user feel more comfortable, thereby improving the comfort of the user.
  • part of external air that is not subjected to heat exchange is sucked under the negative pressure generated by the air supply apparatus 1, and becomes part of the air finally supplied from the air-conditioner, which increases the overall air intake volume of the air-conditioner, accelerates indoor air circulation, and further improves the overall uniformity of indoor air.
  • a plurality of annular air guiding bodies in a form of a single component is combined to form the air-conditioner air supply apparatus 1, so that it is convenient to control flexibly the structure of each annular air guiding body according to requirements of air supply, and to manufacture conveniently annular air guiding bodies of different structures, so as to ensure the uniformity of air supply and the speed of the air supply.
  • each annular air guiding body is a single component, an assembling method of the entire air-conditioner air supply apparatus 1 in the air-conditioner may be selected flexibly, thereby improving the application scope of the air-conditioner air supply apparatus 1 and the production efficiency of the air-conditioner.
  • the airflow distribution assembly 16 in this embodiment is implemented by using a plurality of airflow distribution plates.
  • the airflow distribution assembly 16 totally includes eight airflow distribution plates in pairs, namely, primary airflow distribution plates 161 and 162, first auxiliary airflow distribution plates 163 and 164, second auxiliary airflow distribution plates 165 and 166, and third auxiliary airflow distribution plates 167 and 168. All the airflow distribution plates are bent distribution plates of the same bending direction, and the surface of each of the airflow distribution plates is an arc-shaped curved surface, which can effectively guide the air, reduce pressure loss and noise during splitting of the air flow, and achieve a high-speed air supply at low noise.
  • the four pairs of airflow distribution plates are arranged bilaterally symmetrically in the circumferential direction of the first annular heat-exchanged air duct 14 and the second annular heat-exchanged air duct 15 in such a manner that the primary airflow distribution plates 161 and 162, the first auxiliary airflow distribution plates 163 and 164, the second auxiliary airflow distribution plates 165 and 166, and the third auxiliary airflow distribution plates 167 and 168 are sequentially arranged from bottom to top.
  • the primary airflow distribution plate 161, the first auxiliary airflow distribution plate 163, the second auxiliary airflow distribution plate 165 and the third auxiliary airflow distribution plate 167 are disposed from bottom to top on the left side of the air-conditioner air supply apparatus 1, and the primary airflow distribution plate 162, the first auxiliary airflow distribution plate 164, the second auxiliary airflow distribution plate 166 and the third auxiliary airflow distribution plate 168 are arranged bilaterally symmetrically on the right side of the air-conditioner air supply apparatus 1.
  • the bending direction of each of the airflow distribution plates is reverse to the air supply direction of the heat-exchanged air.
  • the air supply direction of the heat-exchanged air is from bottom to top, and accordingly, the bending direction of each of the airflow distribution plates will be reverse to the air supply direction, that is, each of the airflow distribution plates is bent in the anticlockwise direction shown in FIG. 4 .
  • the airflow distribution assembly 16 formed by a plurality of bent airflow distribution plates radially symmetrically arranged is disposed in the heat-exchanged air duct, so that the primary airflow distribution plates 161 and 162 can be used to divide the heat-exchanged air from the heat exchanger into left, middle and right parts, and the heat-exchanged air on the left and right sides is further divided by the auxiliary airflow distribution plates, uniform air intake and outtake in the circumferential direction of the heat-exchanged air duct of the air-conditioner air supply apparatus 1 are finally achieved, thereby improving the uniformity of air supply from the air-conditioner air supply apparatus 1.
  • the airflow distribution assembly 16 may not necessarily be implemented by a plurality of bent airflow distribution plates, and may also use other structures, as long as the heat-exchanged air from the heat exchanger 5 can be uniformly distributed in the circumferential direction.
  • the mixed air outlet 21 on the front panel 2 and the non-heat-exchanged air inlet 31 on the rear panel 3 are in the shape of a circle; and correspondingly, the annular air guiding bodies in the air-conditioner air supply apparatus 1 are in the shape of a circle.
  • the technical objectives of the present invention can also be achieved by using other combinations of shapes, for example, an ellipse and an elliptical ring, or a regular polygon and a regular polygonal ring.
  • the air-conditioner air supply apparatus 1 has three annular air guiding bodies, but is not limited to such three annular air guiding bodies, and may also only have the two annular air guiding bodies, namely, the front-end annular air guiding body 11 and the rear-end annular air guiding body 12, and the two annular air guiding bodies form a heat-exchanged air duct. Under this structure, an airflow distribution assembly fixed to one of the annular air guiding bodies may be disposed in the heat-exchanged air duct to implement distribution of the heat-exchanged air.
  • annular air guiding bodies for example, in addition to the front-end annular air guiding body 11 and the rear-end annular air guiding body 12, two or more first middle annular air guiding bodies 13 are further included to form an air-conditioner air supply apparatus that has four or more annular air guiding bodies. Under the structure, three or more heat-exchanged air ducts are formed. In such air-conditioner air supply apparatus, an airflow distribution assembly is preferably disposed in all heat-exchanged air ducts.
  • two heat-exchanged air ducts may use a same airflow distribution assembly, that is, the airflow distribution assembly is disposed on an annular air guiding body located in the middle position, and extends into inner and outer two annular heat-exchanged air ducts formed by the annular air guiding bodies.

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  • 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)
EP14808155.7A 2013-06-03 2014-05-23 Air-conditioner air supply apparatus with airflow distribution assembly Active EP3006852B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN 201320314744 CN203274153U (zh) 2013-06-03 2013-06-03 设有气流分配组件的空调送风装置
CN201310216244.9A CN103453638B (zh) 2013-06-03 2013-06-03 设有气流分配组件的空调送风装置
PCT/CN2014/078206 WO2014194765A1 (zh) 2013-06-03 2014-05-23 设有气流分配组件的空调送风装置

Publications (3)

Publication Number Publication Date
EP3006852A1 EP3006852A1 (en) 2016-04-13
EP3006852A4 EP3006852A4 (en) 2017-03-15
EP3006852B1 true EP3006852B1 (en) 2018-04-18

Family

ID=52007536

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14808155.7A Active EP3006852B1 (en) 2013-06-03 2014-05-23 Air-conditioner air supply apparatus with airflow distribution assembly

Country Status (3)

Country Link
EP (1) EP3006852B1 (zh)
ES (1) ES2667956T3 (zh)
WO (1) WO2014194765A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118009441B (zh) * 2024-02-19 2024-09-06 江苏航博机电设备工程有限公司 一种基于洁净系统的无尘车间送风装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06272949A (ja) * 1993-03-16 1994-09-27 Kajima Corp 空調ダクト装置
JP5351111B2 (ja) * 2010-08-17 2013-11-27 木村工機株式会社 誘引吹出口
CN202074660U (zh) * 2010-08-17 2011-12-14 木村工机株式会社 诱导吹出口
CN102840627B (zh) * 2011-12-08 2013-10-30 Lg电子株式会社 空气调节器
KR101203540B1 (ko) * 2011-12-20 2012-11-21 엘지전자 주식회사 공기조화기
KR101234065B1 (ko) * 2011-12-20 2013-02-15 엘지전자 주식회사 공기조화기
CN103453638B (zh) * 2013-06-03 2015-06-10 海尔集团公司 设有气流分配组件的空调送风装置
CN203274153U (zh) * 2013-06-03 2013-11-06 海尔集团公司 设有气流分配组件的空调送风装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3006852A4 (en) 2017-03-15
WO2014194765A1 (zh) 2014-12-11
EP3006852A1 (en) 2016-04-13
ES2667956T3 (es) 2018-05-16

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