WO2022120814A1 - Unité de climatisation intérieure et climatiseur - Google Patents

Unité de climatisation intérieure et climatiseur Download PDF

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Publication number
WO2022120814A1
WO2022120814A1 PCT/CN2020/135823 CN2020135823W WO2022120814A1 WO 2022120814 A1 WO2022120814 A1 WO 2022120814A1 CN 2020135823 W CN2020135823 W CN 2020135823W WO 2022120814 A1 WO2022120814 A1 WO 2022120814A1
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WO
WIPO (PCT)
Prior art keywords
heat exchange
cavity
air
heat exchanger
air inlet
Prior art date
Application number
PCT/CN2020/135823
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English (en)
Chinese (zh)
Inventor
何家基
林晨
大森宏
江晨钟
詹东文
Original Assignee
广东美的白色家电技术创新中心有限公司
美的集团股份有限公司
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 广东美的白色家电技术创新中心有限公司, 美的集团股份有限公司 filed Critical 广东美的白色家电技术创新中心有限公司
Priority to CN202080003485.3A priority Critical patent/CN114930088A/zh
Priority to PCT/CN2020/135823 priority patent/WO2022120814A1/fr
Publication of WO2022120814A1 publication Critical patent/WO2022120814A1/fr

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    • 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
    • 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
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • 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
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins

Definitions

  • the present application relates to the technical field of air conditioners, and in particular, to an air conditioner indoor unit and an air conditioner.
  • the heat exchanger of the air conditioning system has a single working mode, and the passive refrigeration has low efficiency and large volume.
  • the present application aims to solve at least one of the technical problems existing in the prior art.
  • a first aspect of the present application provides an air conditioner indoor unit.
  • a second aspect of the present application provides an air conditioner.
  • a first aspect of the present application provides an indoor unit for an air conditioner, comprising: a casing, the casing includes an air inlet and an air outlet, and along the first direction, the air outlet is located at the bottom of the casing; the casing further includes: The first cavity and the second cavity, the first cavity and the second cavity are distributed along the second direction, the first cavity and the second cavity are both connected with the air inlet and the air outlet; the first heat exchange part, are arranged in the first cavity and the second cavity; the second heat exchange part is arranged in the first cavity and the second cavity, along the first direction, the first heat exchange part is located above the second heat exchange part, A heat exchange part and a second heat exchange part are both located between the air inlet and the air outlet; the jet assembly is arranged in the second cavity, and the air inlet end of the jet assembly is communicated with the air inlet through the first heat exchange part, and the jet assembly The air outlet end of the air outlet is communicated with the air outlet; wherein, the first direction is perpendicular
  • the air conditioner indoor unit provided by the present application includes a casing, a first heat exchange part, a second heat exchange part and a jet assembly.
  • the housing includes an air inlet and an air outlet, and the air outlet is arranged at the bottom of the housing along the first direction.
  • the air conditioner indoor unit works, the air sinks under the action of gravity, which is conducive to the discharge of the air.
  • the housing further includes a first cavity and a second cavity, and the first cavity and the second cavity are distributed along the second direction. Wherein, the first direction is perpendicular to the second direction, the first direction is the direction of gravity, and both the first cavity and the second cavity are communicated with the air inlet and the air outlet.
  • both the first cavity and the second cavity are provided with a first heat exchange part and a second heat exchange part, thereby improving the heat exchange in the natural convection heat exchange mode of the indoor unit of the air conditioner, that is, without When the fan is turned on, the heat exchange efficiency in the natural convection heat exchange mode is improved to meet the cooling needs of users, realize no fan noise, and improve the user experience.
  • a jet assembly is arranged in the second cavity, the air inlet end of the jet assembly is communicated with the air inlet through the first heat exchange part, and the air outlet end is communicated with the air outlet.
  • the value of the jet assembly is set in the second cavity.
  • the space occupied by the jet assembly in the casing is reduced, thereby improving the overall space utilization rate and reducing the overall space occupation rate of the air conditioner indoor unit.
  • the jet assembly in the active heat exchange mode, the jet assembly is turned on, and a part of the air flow enters the jet assembly after heat exchange through the first heat exchange part, enters the second cavity through the air outlet of the jet assembly, and then flows out from the air outlet. Under the action of the air flow entering the second cavity, part of the air flow directly enters the second cavity after heat exchange through the second heat exchange part, and then flows out through the air outlet, so that in the active heat exchange mode, the air flow through the air outlet
  • the outgoing air volume is composed of two parts, thereby increasing the heat exchange and improving the heat exchange efficiency.
  • the housing includes: a cover body, the air inlet is arranged on the cover body; a cover body, the cover body is connected with the cover body, and the air outlet is located between the cover body and the cover body;
  • the plate divides the housing into a first cavity and a second cavity, and the jet assembly is connected with the partition.
  • the air inlet includes: a first air inlet, the first air inlet is arranged on the top wall of the cover body, and both the first cavity and the second cavity are communicated with the first air inlet;
  • the second air inlet is arranged on the side wall of the cover body opposite to the cover body, and both the first cavity and the second cavity are communicated with the second air inlet.
  • the partition plate includes: a first partition plate, the number of the first partition plate is at least one, and the at least one first partition plate is arranged in the casing, and divides the casing along the second direction. are a first cavity and the second cavity; a second partition, the second partition is located in the second cavity, and the jet assembly is connected with the second partition.
  • the second partition divides the second cavity into an air inlet cavity and an air outlet cavity, part of the first heat exchange part is located in the air intake cavity, and part of the second heat exchange part is located in the air outlet cavity;
  • the air inlet end of the jet assembly is communicated with the air intake cavity, and the air outlet end of the jet assembly is communicated with the air outlet cavity.
  • the jet assembly includes: a fan, the fan is arranged on the second baffle, and the fan is located in the air inlet cavity; a nozzle, the nozzle is communicated with the outlet of the fan, and the air outlet end of the nozzle is connected with the air outlet chamber Pass.
  • the first heat exchange part includes: a first heat exchanger, the first heat exchanger is inclined relative to the first direction; a second heat exchanger, the second heat exchanger is relatively It is arranged obliquely in the first direction; wherein, along the third direction, the first heat exchanger and the second heat exchanger are arranged opposite to each other, and the upper end of the first heat exchanger and the upper end of the second heat exchanger are connected,
  • the third direction is perpendicular to the first direction and the second direction.
  • the second heat exchange part includes: a third heat exchanger, and along the first direction, the third heat exchanger is arranged below the first heat exchanger.
  • the first heat exchange part further includes: a fourth heat exchanger, and along the first direction, the fourth heat exchanger is arranged between the second heat exchanger and the third heat exchanger , the upper end of the fourth heat exchanger is connected with the lower end of the second heat exchanger.
  • the angle between the connection line between the upper end and the lower end of the first heat exchanger and the first direction is ⁇ 1, and ⁇ 1 is greater than or equal to 10°, and less than or is equal to 45°; the angle between the connection line between the upper end and the lower end of the second heat exchanger and the first direction is ⁇ 2, and ⁇ 2 is greater than or equal to 10° and less than or equal to 45°.
  • the first heat exchange part includes a plurality of first fins and a plurality of first heat exchange tubes, and the plurality of first heat exchange tubes are arranged in a single row or in multiple rows.
  • the first fins are sleeved on the first heat exchange tubes;
  • the second heat exchange part includes a plurality of second fins and a plurality of second heat exchange tubes, and the plurality of second heat exchange tubes are arranged in a single row or in multiple rows , a plurality of second fins are sleeved on the second heat exchange tube.
  • the ratio of the spacing between the two adjacent first fins of the first heat exchange part to the spacing between the two adjacent second fins of the second heat exchange part greater than or equal to 0.3 and less than or equal to 0.8; and/or the ratio of the width of the first fin of the first heat exchange part to the width of the second fin of the second heat exchange part is greater than or equal to 1 and less than or equal to 4.
  • a mounting seat which is arranged on the side wall opposite to the cover body and the cover body, and the mounting seat protrudes from the air inlet.
  • the distance from the second air inlet to the wall is greater than or equal to 20mm.
  • a second aspect of the present application provides an air conditioner, comprising: the air conditioner indoor unit described in any of the above technical solutions.
  • the air conditioner provided by the second aspect of the present application includes the air conditioner indoor unit as proposed in any of the technical solutions of the first aspect, it has all the beneficial effects of the air conditioner indoor unit.
  • FIG. 1 is a schematic structural diagram of an air conditioner indoor unit according to an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of the air-conditioning indoor unit of the embodiment shown in FIG. 1 after removing the cover;
  • FIG. 3 is a cross-sectional view of a first cavity in the air conditioner indoor unit of the embodiment shown in FIG. 1;
  • FIG. 4 is a cross-sectional view of a second cavity in the air conditioner indoor unit of the embodiment shown in FIG. 1;
  • FIG. 5 is an air flow operation diagram under the active heat exchange mode of the second cavity in the indoor unit of the air conditioner of the embodiment shown in FIG. 4;
  • FIG. 6 is an air flow operation diagram under the natural convection heat transfer mode of the second cavity in the air conditioner indoor unit of the embodiment shown in FIG. 4;
  • FIG. 7 is an air flow operation diagram under the natural convection heat transfer mode of the first cavity in the air conditioner indoor unit of the embodiment shown in FIG. 3;
  • FIG. 8 is a schematic structural diagram of an air conditioner indoor unit according to another embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a side view of the cover of the indoor unit of the air conditioner according to the embodiment shown in FIG. 1 of the present application;
  • FIG. 10 is a schematic structural diagram of an installation method of an air inlet of an indoor unit of an air conditioner against a wall according to another embodiment of the present application;
  • Fig. 11 is a cross-sectional view of a second cavity in the air conditioner indoor unit of the embodiment shown in Fig. 10;
  • FIG. 12 is a schematic diagram of the distribution of the first cavity and the second cavity of the air conditioner indoor unit according to still another embodiment of the present application.
  • FIG. 13 is a schematic diagram of the distribution of the first cavity and the second cavity of the air conditioner indoor unit according to still another embodiment of the present application.
  • FIG. 14 is a schematic diagram of the distribution of the first cavity and the second cavity of the air conditioner indoor unit according to still another embodiment of the present application.
  • 10 air conditioner indoor unit 100 shell, 102 air inlet, 1022 first air inlet, 1024 second air inlet, 104 air outlet, 106 first cavity, 108 second cavity, 1082 air inlet cavity, 1084 air outlet cavity, 110 cover, 112 cover, 114 partition, 1142 first partition, 1144 second partition, 200 first heat exchange part, 202 first heat exchanger, 204 second heat exchanger, 206 fourth heat exchange Heater, 300 second heat exchange part, 302 third heat exchanger, 400 jet assembly, 402 fan, 404 nozzle, 500 mounting seat, 600 first water tray, 700 second water tray, 800 third water tray , 900 support base.
  • the air conditioner indoor unit 10 and the air conditioner provided according to some embodiments of the present application will be described below with reference to FIGS. 1 to 14 .
  • an embodiment of the present application provides an air conditioner indoor unit 10 .
  • the air conditioner indoor unit 10 includes a casing 100 , a first heat exchange part 200 , a second heat exchange part 300 and a jet assembly 400 .
  • the housing 100 includes an air inlet 102 and an air outlet 104, and the air outlet 104 is located at the bottom of the housing 100 along the first direction; the housing 100 further includes a first cavity 106 and a second cavity 108.
  • the first cavity 106 and the second cavity 108 are distributed along the second direction, the first cavity 106 and the second cavity 108 are both connected with the air inlet 102 and the air outlet 104;
  • the first heat exchange part 200 is arranged in the first cavity 106 and Inside the second cavity 108;
  • the second heat exchange part 300 is arranged in the first cavity 106 and the second cavity 108, along the first direction, the first heat exchange part 200 is located above the second heat exchange part 300,
  • the first heat exchange part 200 and the second heat exchange part 300 are both located between the air inlet 102 and the air outlet 104 ;
  • the jet assembly 400 is arranged in the second cavity 108 , and the air inlet end of the jet assembly 400 passes through the first heat exchange part 200 In communication with the air inlet 102, the
  • the air conditioner indoor unit 10 provided by the present application includes a casing 100 , a first heat exchange part 200 , a second heat exchange part 300 and a jet assembly 400 .
  • the housing 100 includes an air inlet 102 and an air outlet 104.
  • the air outlet 104 is arranged at the bottom of the housing 100 along the first direction.
  • the housing 100 further includes a first cavity 106 and a second cavity 108 , and the first cavity 106 and the second cavity 108 are distributed along the second direction.
  • the first direction is perpendicular to the second direction, the first direction is the direction of gravity, and both the first cavity 106 and the second cavity 108 communicate with the air inlet 102 and the air outlet 104 .
  • both the first cavity 106 and the second cavity 108 are provided with the first heat exchange part 200 and the second heat exchange part 300 , thereby improving the heat exchange in the natural convection heat exchange mode of the air conditioner indoor unit 10
  • the heat exchange efficiency in the natural convection heat exchange mode is improved without turning on the fan 402, so as to meet the cooling demand of the user, realize no noise from the fan 402, and improve the user experience.
  • a jet assembly 400 is arranged in the second cavity 108 , the air inlet end of the jet assembly 400 is communicated with the air inlet 102 through the first heat exchange part 200 , and the air outlet end is connected to the air outlet 102 .
  • the air outlet 104 is connected.
  • the jet assembly 400 is arranged in the second cavity 108, which reduces the space occupied by the jet assembly 400 in the casing 100, thereby improving the overall space utilization rate and reducing the air conditioner indoor unit. 10 Overall space occupancy.
  • the jet assembly 400 in the active heat exchange mode, the jet assembly 400 is turned on, and a part of the air flow enters the jet assembly 400 after heat exchange through the first heat exchange part 200 , enters the second cavity 108 through the air outlet end of the jet assembly 400 , and then flows from The air outlet 104 flows out, and at the same time, under the action of the air flow entering the second cavity 108 , part of the air flow directly enters the second cavity 108 after heat exchange through the second heat exchange part 300 , and then flows out through the air outlet 104 , so that in the active heat exchange mode, the air volume flowing out of the air outlet 104 is composed of two parts, thereby increasing the heat exchange amount and improving the heat exchange efficiency.
  • the user can choose to turn on the natural convection heat exchange mode or the active heat exchange mode according to their own needs, so as to meet the different use needs of the user and improve the use experience.
  • the flow direction of the airflow is as shown in FIG. 6 and FIG. 7 .
  • the airflow direction of the second cavity 108 in the natural convection heat exchange mode (the dashed arrow in the figure is the airflow direction)
  • the cold air flows sink, and flow into the room from the air outlet 104.
  • the flow direction of the air flow in the first cavity 106 is that the air enters the casing through the air inlet.
  • a cavity 106 sinks in and flows into the room through the air outlet 104.
  • the flow direction of the air flow is shown in FIG.
  • the air outlet end of the heat sink enters the second cavity 108, and then flows out from the air outlet 104.
  • part of the air flow passes through the second heat exchange part 300 after heat exchange and directly Enter into the second cavity 108, and then flow out through the air outlet 104, so that in the active heat exchange mode, the air volume flowing out from the air outlet 104 is composed of two parts, thereby increasing the heat exchange and improving the heat exchange efficiency. .
  • the first direction (gravity direction) is defined along the height direction of the casing 100 , that is, the direction shown by the arrow A in the figure, and the length direction of the casing 100 , that is, the direction shown by the arrow B in the figure.
  • the second direction is the third direction along the width direction of the casing 100 , that is, the direction indicated by the arrow C in the figure.
  • the third direction is perpendicular to both the first direction and the second direction.
  • the housing 100 includes: a cover body 110 , a cover body 112 and a partition 114 .
  • the air inlet 102 is disposed on the cover body 110, the cover body 112 is connected with the cover body 110, and the air outlet 104 is located between the cover body 112 and the cover body 110;
  • the jet assembly 400 is connected with the partition plate 114 .
  • the housing 100 includes a cover body 110 and a cover body 112 , the air inlet 102 is disposed on the cover body 110 , and an air outlet 104 is formed between the cover body 112 and the cover body 110 .
  • the casing 100 is divided into the first cavity 106 and the second cavity 108 by the partition plate 114 , the jet assembly 400 is connected to the partition plate 114 , and the first heat exchange part 200 and the second heat exchange part 200 are connected to the partition plate 114 along the first direction.
  • the heat parts 300 are distributed in the first cavity 106, so that the natural convection heat exchange can be realized when the jet assembly 400 is not activated. Outflow from the air outlet 104 .
  • the first heat exchange part 200 and the second heat exchange part 300 are also arranged, and the jet assembly 400 is installed on the In the second cavity 108, when the jet assembly 400 is not turned on, the air flows through the second heat exchange part 300 and enters the second cavity 108, and then flows out through the air outlet 104. Therefore, the air flows along the air conditioner indoor unit 10 In the second direction, natural convection heat exchange can be realized, that is, the heat exchange area of natural convection is increased in a limited space, thereby improving the heat exchange efficiency of natural convection.
  • the jet assembly 400 is turned on, and part of the air flow passes through the first heat exchange part 200 and enters the second cavity 108 from the air outlet end of the jet assembly 400 and then flows out through the air outlet 104. , part of the air flow will pass through the air inlet 102 directly through the second heat exchange part 300 and then enter the second cavity 108, and then flow out through the air outlet 104, that is, the active heat exchange air flow includes two parts, one part is the first heat exchange part
  • the heat exchange part 200 enters the second cavity 108 through the jet assembly 400 after heat exchange, and the other part directly enters the second cavity 108 after heat exchange through the second heat exchange part 300. It flows into the room, thereby increasing the heat exchange air volume in the active heat exchange mode and improving the heat exchange efficiency.
  • the air inlet 102 includes: a first air inlet 1022 , the first air inlet 1022 is arranged on the top wall of the cover body 110 , and the first cavity 106 and the second cavity 108 are connected with the first air inlet 1022; the second air inlet 1024, the second air inlet 1024 is arranged on the side wall of the cover body 110 opposite to the cover body 112, the first cavity 106 and the second air inlet 1024 Both of the two cavities 108 communicate with the second air inlet 1024 .
  • the air inlet 102 includes a first air inlet 1022 and a second air inlet 1024 .
  • the first air inlet 1022 is disposed on the top wall of the cover body 110 and communicated with the first cavity 106 and the second cavity 108 .
  • the second air inlet 1024 is disposed on the side wall of the cover body 110 opposite to the cover body 112 , and communicates with the first cavity 106 and the second cavity 108 .
  • the air inlets 102 are provided on both the top wall and the side walls of the cover body 110, so that when the air conditioner indoor unit 10 is working, the air flow can enter the first cavity 106 and the second cavity through the first air inlet 1022 and the second air inlet 1024.
  • the cavity 108 increases the flow of gas entering the casing 100, thereby improving the heat exchange through the first heat exchange part 200 and the second heat exchange part 300, and further improving the heat exchange efficiency of the whole machine.
  • the partition plate 114 includes: a first partition plate 1142 , the number of the first partition plate 1142 is at least one, and at least one first partition plate 1142
  • the plate 1142 is disposed in the casing 100 and divides the casing 100 into the first cavity 106 and the second cavity 108 along the second direction; the second partition 1144 is located in the second cavity 108 , the jet assembly 400 is connected with the second partition 1144 .
  • the separator 114 includes a first separator 1142 and a second separator 1144 .
  • the number of the first partitions 1142 is one, the first partitions 1142 extend along the first direction, and divide the housing 100 into first cavities distributed along the second direction 106 and the second cavity 108, the second partition 1144 is located in the second cavity 108, and the two ends of the second partition 1144 are respectively connected with the partition 114 on one side and the cover 110 on the other side,
  • the fluidic assembly 400 is connected to the second baffle 1144 .
  • the number of the first partitions 1142 is at least two, and the housing 100 is divided into the first cavity 106 and the first cavity 106 and the spaced one along the second direction
  • the second cavity 108 divides the housing 100 into the first cavity 106 and the second cavity 108 which are alternately arranged.
  • the second partitions 1144 located in the second cavity 108 are connected to the first partitions 1142 on both sides, and the jet assembly 400 is connected to the second partitions 1144 .
  • the number of the first partitions 1142 is three, and the three first partitions 1142 divide the housing 100 into two first cavities 106 , two second cavities 108 , and two first cavities 108 .
  • a cavity 106 and a second cavity 108 are alternately distributed in the casing 100 .
  • the number of the second partitions 1144 is four, and the housing 100 is divided into the first cavity 106 and the second cavity 108 which are staggered.
  • Different layouts of the first heat exchange part 200 , the second heat exchange part 300 and the jet assembly 400 in the casing 100 are realized through the above embodiments, so as to meet the size and performance requirements of air conditioner indoor units of different specifications.
  • the effects of the two working modes are superimposed on each other, so as to achieve the purpose of the gain effect.
  • the second partition 1144 divides the second cavity 108 into an air inlet chamber 1082 and an air outlet chamber 1084 .
  • a heat exchange part 200 is located in the air inlet cavity 1082, and part of the second heat exchange part 300 is located in the air outlet cavity 1084; wherein, the air inlet end of the jet assembly 400 is communicated with the air intake cavity 1082, and the air outlet end of the jet assembly 400 is connected with the air outlet cavity 1084 is connected.
  • part of the first heat exchange part 200 can be arranged in the air inlet cavity 1082, and part of the second heat exchange part 300 It is arranged in the air outlet cavity 1084, and the air inlet end and the air outlet end of the jet assembly 400 are communicated with the air inlet cavity 1082 and the air outlet cavity respectively, so that the air enters the air inlet cavity 1082, flows through the first heat exchange part 200, and is in the first heat exchange part 200.
  • the first heat exchange part 200 enters the jet assembly 400 after the heat exchange is achieved, and is discharged into the air outlet cavity 1084 under the action of the jet assembly 400, and then blown into the room.
  • the hot part 300 enters into the air outlet cavity 1084 after heat exchange, so that the effects of the active heat exchange mode and the natural convection heat exchange mode are superimposed, and the effect of the gain effect is achieved.
  • the jet assembly 400 includes: a fan 402 , the fan 402 is arranged on the second partition 1144 , and the fan 402 It is located in the air inlet chamber 1082; the nozzle 404 is in communication with the outlet of the fan 402, and the air outlet end of the nozzle 404 is in communication with the air outlet chamber 1084.
  • the jet assembly 400 includes a fan 402 and a nozzle 404 .
  • the fan 402 is arranged on the second partition 1144 and located in the air inlet cavity 1082 , so that the airflow can enter the fan 402 in the air inlet chamber 1082 after passing through the first heat exchange part 200 , and then under the action of the fan 402 blow out.
  • the nozzle 404 is arranged on the outlet of the fan 402, and the air outlet end of the nozzle 404 is communicated with the air outlet cavity 1084, so that under the action of the fan 402, the airflow is sprayed to the air outlet chamber 1084 through the nozzle 404, and is discharged from the air outlet 104 through the air outlet chamber 1084. Enter indoors.
  • the airflow is blown by the fan 402, and a negative pressure area is generated in the air outlet cavity 1084, which drives more air to enter the air outlet cavity 1084 after heat exchange through the second heat exchange part 300, thereby realizing that the airflow in the active heat exchange mode is changed from 2 to 2.
  • It is composed of the jet air flow sucked by the fan 402 and the natural convection air flow heat exchanged by the second heat exchange part 300, which improves the heat exchange of the whole machine, that is, the active heat exchange mode and the natural convection heat exchange mode are realized.
  • the effects are superimposed on each other, acting as a gain effect, and at the same time enhancing the heat exchange effect in the active heat exchange mode.
  • the fan 402 can be a cross-flow fan, and the air inlet end of the cross-flow fan can be arranged opposite to the air inlet of the side wall of the cover body 110 to increase the air intake volume, and the airflow direction can be changed to guide the air flow toward the outlet.
  • the direction of the air outlet improves the smoothness of the airflow.
  • the first heat exchange part 200 includes: a first heat exchanger 202 , a first heat exchanger
  • the heat exchanger 202 is arranged obliquely with respect to the first direction
  • the second heat exchanger 204 is arranged obliquely with respect to the first direction
  • the first heat exchanger 202 and the second heat exchanger 204 are arranged obliquely with respect to the first direction
  • the heat exchangers 204 are disposed opposite to each other, and the upper end of the first heat exchanger 202 and the upper end of the second heat exchanger 204 are connected, and the third direction is perpendicular to the first direction and the second direction.
  • the first heat exchange part 200 includes a first heat exchanger 202 and a second heat exchanger 204 .
  • the first connecting line between the upper end and the lower end of the first heat exchanger 202 is inclined relative to the first direction
  • the first connecting line between the upper end and the lower end of the second heat exchanger 204 is relative to the first direction.
  • One direction is inclined and the first heat exchanger 202 and the second heat exchanger 204 are opposite to each other in the third direction, and the upper end of the first heat exchanger 202 and the upper end of the second heat exchanger 204 are connected.
  • the inner space of the casing 100 can be effectively utilized, and the first heat exchanger 202 and the second heat exchanger can be reduced in size
  • the space occupied by the 204 in the vertical direction increases the heat exchange area of the heat exchanger, which in turn increases the intake air volume after heat exchange to meet the demand for cooling capacity during natural convection intake air, greatly improving the
  • the air conditioner that can be used in the bedroom scene will not be affected by wind blowing and noise when the user has a good body temperature when sleeping, that is, the indoor unit 10 of the air conditioner has no wind feeling and air output. No noise effect, suitable for popularization and application.
  • the cross-sectional shape of the composition of the first heat exchanger 202 and the second heat exchanger 204 is an inverted V-shape. It can be understood that the above-mentioned V-shape refers to a shape similar to the V-shape. Specifically, after the airflow entering the inside of the casing 100 through the air inlet 102 acts on the first heat exchanger 202 and the second heat exchanger 204 arranged obliquely, it can sink smoothly and quickly in the casing 100.
  • the heat exchanger 204 strengthens the effect of natural convection air sinking, and cooperates with the second heat exchange part 300 to improve the heat exchange capacity of the air conditioner indoor unit 10, and to make the air flow after heat exchange flowing to the air outlet 104 more uniform, and further It is beneficial for the indoor temperature to quickly reach the user's comfort level and maintain it within the comfortable range for a long time, ensuring a good heat exchange effect, such as a good cooling effect.
  • the second heat exchange part 300 includes: a third heat exchanger 302 , and the third heat exchanger 302 is arranged along the first direction below the first heat exchanger 202 .
  • the second heat exchange portion 300 includes a third heat exchanger 302 .
  • the third heat exchanger 302 is disposed below the first heat exchanger 202 along the first direction, and is disposed corresponding to the second air inlet 1024 .
  • the airflow can enter the casing 100 through the air inlet 102, and after passing through the first heat exchange part 200 and the third heat exchanger 302, it can sink smoothly and quickly in the casing 100, and then pass through the first heat exchange part 200 and the third heat exchanger 302.
  • the air outlet 104 at the bottom of the casing 100 flows into the room.
  • the airflow entering from the second air inlet 1024 can be blown into the room again after heat exchange with the third heat exchanger 302 to enhance the air flow in the active heat exchange mode.
  • the third heat exchanger 302 is located below the first heat exchanger 202 , there is a gap between the third heat exchanger 302 and the first heat exchanger 202 , and the setting position of the jet assembly 400 is at The interval is set correspondingly, and the distribution position and distribution quantity of the heat exchangers can be increased or decreased according to the installation position of the jet assembly 400, so as to improve the heat exchange effect, and at the same time, the layout of the heat exchangers of the air conditioner indoor unit 10 is better. .
  • the first heat exchange part 200 further includes: a fourth heat exchanger 206 along the In one direction, the fourth heat exchanger 206 is disposed between the second heat exchanger 204 and the third heat exchanger 302 , and the upper end of the fourth heat exchanger 206 is connected to the lower end of the second heat exchanger 204 .
  • the first heat exchange part 200 further includes a fourth heat exchanger 206 .
  • the fourth heat exchange part is disposed between the second heat exchange part 300 and the third heat exchanger 302 along the first direction, and the upper end of the fourth heat exchange part is connected to the lower end of the second heat exchange part 300 .
  • the first heat exchanger 202 cooperates with the first heat exchanger 202, the second heat exchanger 204 and the third heat exchanger 302 to form a cavity structure, which is beneficial to the heat exchange of the incoming airflow, enhances the air drainage effect, and realizes active heat exchange.
  • the effects of the mode and the natural convection heat transfer mode are superimposed on each other, which plays the role of a gain effect.
  • the angle between the connection line between the upper end and the lower end of the first heat exchanger 202 and the first direction is ⁇ 1, and ⁇ 1 is greater than or equal to 10° and less than or equal to 45°; the angle between the connection line between the upper end and the lower end of the second heat exchanger 204 and the first direction is ⁇ 2, and ⁇ 2 is greater than or equal to 10° and less than or equal to 45°.
  • the first heat exchanger 202 is inclined at an angle ⁇ 1 with the first direction
  • the second heat exchanger 204 is inclined at an angle ⁇ 2 with the first direction, wherein both ⁇ 1 and ⁇ 2 are greater than or equal to 10°, less than or is equal to 45°.
  • the inclination angles of the first heat exchanger 202 and the second heat exchanger 204 can be reasonably set according to the volume in the casing 100, so as to realize the heat exchange area , and it is beneficial for the airflow to have a good sinking effect after passing through the inclined first heat exchanger 202 and the second heat exchanger 204.
  • the inclined arrangement of the first heat exchanger 202 and the second heat exchanger 204, and the inclination angle is reasonably set, so that the condensed water on the first heat exchanger 202 and the second heat exchanger 204 flows along the inclined first heat exchanger 202 and the second heat exchanger 204 to the bottom, avoiding This prevents the condensed water of the first heat exchanger 202 and the second heat exchanger 204 from dripping into the room from the air outlet 104 to cause environmental pollution, thereby improving the heat exchange capacity of the air-conditioning indoor unit 10 and improving the use of the product. Reliability and cleanliness.
  • the air conditioner indoor unit 10 further includes: a first water receiving tray 600 and a second water receiving tray 700 , and the first water receiving tray 600 and the second water receiving tray 700 are provided with Inside the shell 100, the first water receiving pan 600 is located below the fourth heat exchanger 206, and is used to collect or accommodate the condensed water of the first heat exchanger 202 and the fourth heat exchanger 206, and the second water receiving pan 600
  • the water pan 700 is located below the second heat exchanger 204 and is used to collect or accommodate the condensed water of the second heat exchanger 204 to avoid the The condensed water flows into the room and affects the normal use of the user, improving the reliability of the product.
  • the air conditioner indoor unit 10 further includes: a third water receiving tray 800 , which is arranged inside the casing 100 , and the third water receiving tray 800 is located on the side of the third heat exchanger 302 .
  • the bottom part is used to collect the condensed water generated by the third heat exchanger 302 to prevent the condensed water from flowing into the room and affecting the user experience.
  • the first heat exchange part 200 includes a plurality of first fins and a plurality of first heat exchange tubes, and a plurality of first heat exchange tubes.
  • the heat pipes are arranged in a single row or in multiple rows, and a plurality of first fins are sleeved on the first heat exchange pipe;
  • the second heat exchange part 300 includes a plurality of second fins and a plurality of second heat exchange pipes, and the The second heat exchange tubes are arranged in a single row or in multiple rows, and a plurality of second fins are sleeved on the second heat exchange tubes.
  • the first heat exchange part 200 includes a plurality of first fins and a plurality of first heat exchange tubes
  • the second heat exchange part 300 includes a plurality of second fins and a plurality of second heat exchange tubes.
  • the thickness of the whole machine can be made thinner under the condition of ensuring the heat exchange effect, thereby reducing the occupied space of the whole machine.
  • a plurality of first heat exchange tubes and a plurality of second heat exchange tubes can be arranged in multiple rows, a plurality of first fins are sleeved on the first heat exchange tubes, and a plurality of second fins are sleeved It is arranged on the second heat exchange tube, and the more heat exchange tubes are arranged, the more obvious the improvement of the heat exchange performance is.
  • the airflow enters from the first air inlet 1022 under the attraction of the fan 402, and when passing through the first heat exchange part 200, it exchanges with the first heat exchanger 202 and the second heat exchanger 202.
  • the heat exchange between the heat exchanger 204 and the fourth heat exchanger 206 ensures that the incoming airflow can fully exchange heat, and effectively improves the efficiency and quality of the heat exchange.
  • the airflow enters from the second air inlet, and when passing through the second heat exchange part 300, it exchanges heat with the third heat exchanger 302, thereby ensuring that the return airflow can be fully heat exchange.
  • the distance between two adjacent first fins of the first heat exchange part 200 and the distance between two adjacent second fins of the second heat exchange part 300 The ratio is greater than or equal to 0.3 and less than or equal to 0.8; and/or the ratio of the width of the first fin of the first heat exchange part 200 to the width of the second fin of the second heat exchange part 300 is greater than or equal to 1, less than or equals 4.
  • the fin width of the first heat exchange portion 200 is greater than that of the second heat exchange portion 300 .
  • FIG. 10 further includes: a mounting seat 500 disposed on the side wall of the cover body 110 opposite to the cover body 112 , and the mounting seat 500 protrudes from the air inlet 102 .
  • the air conditioner indoor unit 10 further includes a mounting seat 500 . It is arranged on the side wall of the cover body 110 opposite to the cover body 112 . In order to realize the support and installation of the mounting seat 500 to the air conditioner indoor unit 10, it is also arranged on the side wall opposite to the cover body 110 and the cover body 112, so that the air inlet 102 faces the side of the installed wall, so that the air conditioner indoor unit 10 faces the indoor one.
  • the appearance of the side is relatively complete, so as to improve the aesthetics of the appearance of the whole machine.
  • the distance from the second air inlet to the wall is greater than or equal to 20 mm.
  • the distance from the second air inlet to the wall is set to be greater than or equal to 20 mm.
  • the effect on the attenuation of cooling capacity is small.
  • Table 1 the distance between different walls and the second air inlet 1024 corresponds to the corresponding relationship of the attenuation rate of cooling capacity. It can be seen that between the wall and the second air inlet When the distance of the air inlet 1024 is greater than or equal to 20 mm, the attenuation rate is small, and the working efficiency of the air conditioner indoor unit 10 can be improved by reasonably setting the height of the mounting seat 500 .
  • the distance from the second air inlet to the wall can be set to 20mm, 25mm, 40mm or 45mm.
  • the specific setting value is selected according to the specific installation environment.
  • the indoor unit 10 of the air conditioner can be installed on the wall by setting the mounting seat 500, so that the distance between the second air inlet 1024 and the wall is greater than or equal to 20mm, thereby ensuring that the wall and the second The distance of the air inlet 1024 is within a certain range.
  • the mounting seat 500 may also be provided on the cover body 112, and the air-conditioning indoor unit 10 can be mounted on the wall through the mounting seat 500.
  • the second embodiment of the present application proposes an air conditioner, which includes the air conditioner indoor unit 10 provided in any of the above embodiments, and thus has all the beneficial effects of the air conditioner indoor unit 10 .
  • the present application provides an air conditioner indoor unit 10, including a housing 100, a first air inlet 1022, a second air inlet 1024, a first heat exchanger 202, a second heat exchanger 204, a third heat exchanger 302, a Four heat exchangers 206 , air outlet 104 , jet assembly 400 , first water receiving tray 600 , second water receiving tray 700 and third water receiving tray 800 .
  • the partition 114 divides the housing 100 into two parts, wherein the region without the jet assembly 400 is the first cavity 106 , and the region with the jet assembly 400 is the second cavity 108 .
  • Cross-sectional views of the first cavity 106 and the second cavity 108 are shown in FIGS. 3 and 4 .
  • the first cavity 106 is located on both sides of the air conditioner indoor unit 10 , and is formed by the first partition 1142 , the cover 112 , the side wall of the cover 110 and the first heat exchanger 202 , the second heat exchanger The area enclosed by the heat exchanger 204 , the third heat exchanger 302 and the fourth heat exchanger 206 .
  • the second cavity 108 is located in the middle of the air conditioner indoor unit 10 .
  • the second partition 1144 divides this part into two sections, the upper section and the lower section. Specifically, the upper section is the air inlet cavity 1082, and the lower section is the air outlet cavity 1084.
  • the air inlet cavity 1082 includes the first heat exchanger 202, the second heat exchanger 204, the The third heat exchanger 302 and the fan 402, specifically, the fan 402 can be a cross-flow fan; the air outlet cavity 1084 includes the fourth heat exchanger 206 and the space between the cover body 112 and the fourth heat exchanger 206 .
  • the operating modes include active heat transfer mode and natural convection heat transfer mode:
  • the fan 402 In the second cavity 108, the fan 402 is turned on, and the air in the room enters the air conditioner indoor unit 10 from the upper side of the partition plate 114 through the first air inlet 1022 and the second air inlet 1024, and communicates with the first heat exchanger 202, the second air inlet 102 and the second air inlet 1024.
  • the heat exchanger 204 and the third heat exchanger 302 enter the fan 402 after heat exchange, and then return to the room through the nozzle 404 and the air outlet 104 in sequence.
  • the first cavity 106 its operation effect is shown in FIG. 7.
  • the density increases due to the decrease in temperature, and the cold air with higher density sinks under the action of gravity, so that the first cavity 106 sinks.
  • a low pressure area is formed under the heat exchanger 202 , the second heat exchanger 204 , the third heat exchanger 302 and the fourth heat exchanger 206 , which drives more air to flow through the heat exchanger to form a chimney effect.
  • the second cavity 108 its operating effect is shown in FIG. 6.
  • the density increases due to the decrease in temperature, and the cold air with higher density sinks under the action of gravity, causing the first cavity to sink.
  • a low pressure area is formed under the heat exchanger 202 , the second heat exchanger 204 , the third heat exchanger 302 and the fourth heat exchanger 206 , which drives more air to flow through the heat exchanger to form a chimney effect.
  • the air induction effect in the active heat exchange mode is enhanced.
  • the coils are arranged in a single row of heat exchange tubes, as shown in Figure 3.
  • first heat exchanger 202 forms an inclination angle ⁇ 1 with the first direction
  • second heat exchanger 204 forms an inclination angle ⁇ 2 with the first direction.
  • the values of the inclination angles ⁇ 1 and ⁇ 2 are in the range of 10° to 45°.
  • the third heat exchanger 302 and the fourth heat exchanger 206 are substantially parallel to the first direction, and in order to retain a certain installation error, the angle between the third heat exchanger 302 and the second direction is ⁇ 10°.
  • the cover body 112 is installed against the wall, as shown in FIG. 9 , to realize the support and installation of the installation seat 500 to the air conditioner indoor unit 10 .
  • the air inlet 102 faces the side of the installed wall, so that the appearance of the air conditioner indoor unit 10 towards the indoor side is more complete, so as to improve the appearance of the whole machine.
  • the second air inlet 1024 is installed against the wall, as shown in FIG. Through experimental research, it is found that when the distance between the wall and the second air inlet 1024 is more than 45mm, the influence on the cooling capacity attenuation is small.
  • first cavity 106 and the second cavity 108 are changed, such as various arrangements shown in FIGS. 12 to 14 , to meet the needs of different models.
  • the air conditioner indoor unit 10 provided in the present application, through the optimization of heat exchanger parameters and the innovative arrangement of condensate water collection, a large natural convection cooling capacity output can be provided in a compact volume, completely free of fan noise, and no The condensed water droplets fall into the room; and the two modes of active heat exchange mode and natural convection heat exchange mode are integrated, and the effects of jet drainage and natural convection can be superimposed on each other. Improve the effect to achieve the effect of the gain effect.
  • the term “plurality” refers to two or more than two, unless otherwise expressly defined, the orientation or positional relationship indicated by the terms “upper”, “lower” etc. is based on what is shown in the accompanying drawings The orientation or positional relationship is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the application;
  • the terms “connected”, “installed”, “fixed”, etc. should be understood in a broad sense.
  • connection can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or through the middle media are indirectly connected.
  • connection can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or through the middle media are indirectly connected.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

La présente demande concerne une unité de climatisation intérieure et un climatiseur. L'unité de climatisation intérieure comprend un boîtier, une première partie d'échange de chaleur, une seconde partie d'échange de chaleur, un ensemble à jet et une base de montage. Le boîtier comprend une entrée d'air, une sortie d'air, une première cavité et une seconde cavité ; la première cavité et la seconde cavité communiquent toutes deux avec l'entrée d'air et la sortie d'air ; la première partie d'échange de chaleur est disposée dans la première cavité et la seconde cavité ; la seconde partie d'échange de chaleur est disposée dans la première cavité et la seconde cavité ; l'ensemble à jet est disposé dans la seconde cavité ; l'extrémité d'entrée d'air de l'ensemble à jet communique avec l'entrée d'air au moyen de la première partie d'échange de chaleur, et l'extrémité de sortie d'air de l'ensemble à jet communique avec la sortie d'air. La présente demande augmente le taux d'utilisation global de l'espace, réduit le taux d'occupation global de l'espace de l'unité de climatisation intérieure, met en œuvre une superposition mutuelle d'un mode d'échange de chaleur actif et d'un mode d'échange de chaleur par convection naturelle, permet d'obtenir un effet de gain et améliore également l'effet d'échange de chaleur dans un mode actif de jet.
PCT/CN2020/135823 2020-12-11 2020-12-11 Unité de climatisation intérieure et climatiseur WO2022120814A1 (fr)

Priority Applications (2)

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CN202080003485.3A CN114930088A (zh) 2020-12-11 2020-12-11 空调室内机和空调器
PCT/CN2020/135823 WO2022120814A1 (fr) 2020-12-11 2020-12-11 Unité de climatisation intérieure et climatiseur

Applications Claiming Priority (1)

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US20190212031A1 (en) * 2011-04-29 2019-07-11 Trane International Inc. Blower Assembly
CN211781451U (zh) * 2019-12-06 2020-10-27 广东美的白色家电技术创新中心有限公司 空调室内机
CN111829074A (zh) * 2020-07-30 2020-10-27 广东美的白色家电技术创新中心有限公司 空调室内机和空调器

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CN1746575A (zh) * 2004-09-06 2006-03-15 富士通将军股份有限公司 空调器
EP2602561B1 (fr) * 2010-08-04 2020-03-18 Mitsubishi Electric Corporation Unité intérieure pour climatiseur et climatiseur
CN105091106B (zh) * 2015-08-31 2018-03-27 广东美的制冷设备有限公司 立式空调净化器一体机
WO2018010340A1 (fr) * 2016-07-14 2018-01-18 海信科龙电器股份有限公司 Unité intérieure de climatiseur à montage mural

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Publication number Priority date Publication date Assignee Title
US20190212031A1 (en) * 2011-04-29 2019-07-11 Trane International Inc. Blower Assembly
CN103940064A (zh) * 2013-01-18 2014-07-23 珠海格力电器股份有限公司 一种空调器风道结构、空调器及增加空调进风量的方法
CN211781451U (zh) * 2019-12-06 2020-10-27 广东美的白色家电技术创新中心有限公司 空调室内机
CN111829074A (zh) * 2020-07-30 2020-10-27 广东美的白色家电技术创新中心有限公司 空调室内机和空调器

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