WO2022120948A1 - Unité intérieure de climatiseur et climatiseur - Google Patents

Unité intérieure de climatiseur et climatiseur Download PDF

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Publication number
WO2022120948A1
WO2022120948A1 PCT/CN2020/138386 CN2020138386W WO2022120948A1 WO 2022120948 A1 WO2022120948 A1 WO 2022120948A1 CN 2020138386 W CN2020138386 W CN 2020138386W WO 2022120948 A1 WO2022120948 A1 WO 2022120948A1
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
air
heat
heat exchange
group
Prior art date
Application number
PCT/CN2020/138386
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English (en)
Chinese (zh)
Inventor
何家基
林晨
江晨钟
大森宏
江宇
Original Assignee
广东美的白色家电技术创新中心有限公司
广东美的暖通设备有限公司
美的集团股份有限公司
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Application filed by 广东美的白色家电技术创新中心有限公司, 广东美的暖通设备有限公司, 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
Publication of WO2022120948A1 publication Critical patent/WO2022120948A1/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
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • F24F1/01—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station in which secondary air is induced by injector action of the primary air
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • F24F2013/247—Active noise-suppression

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 operation of the air conditioner is always accompanied by the operation of the fan, and the problem of fan noise needs to be improved.
  • the present application aims to solve at least one of the technical problems existing in the prior art or related technologies.
  • a first aspect of the present application proposes an air conditioner indoor unit.
  • a second aspect of the present application proposes an air conditioner indoor unit.
  • a third aspect of the present application proposes an air conditioner.
  • a first aspect of the present application proposes an indoor unit for an air conditioner, comprising: a casing, the casing includes an air inlet and an air outlet, and along a first direction, the air outlet is located at the bottom of the casing; a first group of heat exchange The heat exchanger and the second group of heat exchangers are both arranged in the shell, and the air flows through the air inlet to the first group of heat exchangers and the second group of heat exchangers for heat exchange, and then flows out from the air outlet; the first group of heat exchangers Including: a first heat exchanger and a second heat exchanger; the second group of heat exchangers includes: a third heat exchanger and a fourth heat exchanger, the connection between the upper end and the lower end of the third heat exchanger The connection line between the upper end and the lower end of the fourth heat exchanger is inclined with respect to the first direction, and the lower end of the third heat exchanger is in phase with the lower end of the fourth heat exchanger.
  • the upper end of the third heat exchanger is away from the upper end of the fourth heat exchanger; wherein, along the second direction, the first heat exchanger, the third heat exchanger, the fourth heat exchanger and the second heat exchanger Arranged in sequence, the upper end of the first heat exchanger is connected with the upper end of the third heat exchanger, the upper end of the second heat exchanger is connected with the upper end of the fourth heat exchanger, and the lower end of the second heat exchanger is connected
  • the first direction is perpendicular to the second direction, and the first direction is the direction of gravity.
  • the air conditioner indoor unit provided by the present application is provided with a first set of heat exchangers and a second set of heat exchangers in the casing, wherein the second set of heat exchangers is provided on the first heat exchanger and the second set of heat exchangers in the first set of heat exchangers. Between the two heat exchangers, two groups of heat exchangers are enclosed into a heat exchange chamber.
  • the indoor air When the indoor unit of the air conditioner is performing natural convection cooling, the indoor air enters the casing from the air inlet of the casing, and exchanges heat with the first set of heat exchangers and the second set of heat exchangers.
  • the temperature of the air decreases after heat exchange and becomes cold air for cooling.
  • the density of cold air is greater than that of air.
  • the cold air flows from the heat exchange chamber to the air outlet below, and finally enters the room from the air outlet.
  • a negative pressure is formed in the shell after the cold air flows out, and then the air continues to be drawn into the shell from the air inlet, so far, a complete air cycle is completed.
  • the indoor air is heated by natural convection, and the entire heat exchange process does not require the fan to work, thereby avoiding the noise generated by the fan operation while ensuring a good heat exchange capacity.
  • a coordinate system with a first direction and a second direction perpendicular to each other is set in the space where the casing is located, wherein the first direction is the direction of gravity, and the second direction is the width direction of the casing.
  • the connecting line between the upper end and the lower end of the third heat exchanger is inclined relative to the first direction, and the connecting line between the upper end and the lower end of the fourth heat exchanger is inclined relative to the first direction, The lower end of the third heat exchanger overlaps with the lower end of the fourth heat exchanger.
  • the first heat exchanger, the third heat exchanger, the fourth heat exchanger and the second heat exchanger are arranged in sequence, and the upper end of the first heat exchanger and the upper end of the third heat exchanger
  • the upper end of the second heat exchanger is connected with the upper end of the fourth heat exchanger, so that the first heat exchanger and the third heat exchanger enclose a heat exchange chamber, and the fourth heat exchanger and The second heat exchanger encloses a heat exchange chamber, and by arranging the third heat exchanger and the fourth heat exchanger in the shell inclined relative to the first direction, compared with the horizontal or vertical arrangement of the heat exchanger,
  • the heat exchange area between the air and the heat exchanger is increased, thereby improving the output capacity of the air conditioner indoor unit and the heat exchange efficiency of the air conditioner indoor unit, so as to reach the user's set temperature as soon as possible, thereby improving the User comfort.
  • the air conditioner indoor unit in the above technical solution provided by the present application may also have the following additional technical features:
  • the number of the second group of heat exchangers is at least two groups, the upper ends of the adjacent two groups of the second group of heat exchangers are connected, and the adjacent two groups of the second group of heat exchangers are connected. The lower ends of the are arranged away from each other.
  • the number of the second group of heat exchangers is one group, and in the section perpendicular to the third direction, the cross-sectional shape of the second group of heat exchangers is V-shaped, and the first group of heat exchangers The cross-sectional shape formed by the heat exchanger and the second group of heat exchangers is M-shaped; wherein, the third direction is perpendicular to both the first direction and the second direction.
  • the lower ends of the second group of heat exchangers are flush with or higher than the lower ends of the first group of heat exchangers.
  • the first heat exchanger is inclined relative to the first direction
  • the second heat exchanger is inclined relative to the first direction
  • first heat exchanger and the second heat exchanger are arranged in parallel with respect to the first direction.
  • it further includes: a fifth heat exchanger, the fifth heat exchanger is arranged below the first heat exchanger, and the upper end of the fifth heat exchanger is connected to the upper end of the first heat exchanger.
  • the lower ends are connected and arranged;
  • the sixth heat exchanger is arranged below the second heat exchanger, and the upper end of the sixth heat exchanger is connected with the lower end of the second heat exchanger.
  • a jet nozzle which is arranged between two adjacent heat exchangers in the first group of heat exchangers and the second group of heat exchangers, and the jet nozzle is connected to the adjacent two heat exchangers.
  • the two heat exchangers are enclosed into a heat exchange chamber, and the heat exchange chamber is communicated with the air outlet.
  • it further includes: a jet air duct, which is communicated with the jet nozzle; wherein, along the flow direction of the air duct, the cross-sectional area of the jet air duct gradually decreases.
  • the housing includes: an air inlet cover, the air inlet is opened on the air inlet cover; a base, the air inlet cover is arranged on the base, and the air outlet is opened on the base.
  • the housing further includes: a support plate, the support plate is arranged between the base and the air inlet cover, and along the third direction, the support plates are located at both ends of the air inlet cover; wherein, The two ends of the second group of heat exchangers are respectively connected with the support plates on both sides, and some of the first group of heat exchangers are in contact with the support plates and the air inlet hood.
  • the air inlet hood includes: an installation groove, which is arranged on the top wall of the air inlet hood, the bottom of the installation groove is provided with an opening, and the jet nozzle is arranged at the opening; The upper ends of the two heat exchangers on both sides are in contact with the groove walls on both sides of the opening.
  • the air inlet includes a jet air inlet and a main air inlet; the jet air inlet is communicated with the jet nozzle, and the main air inlet passes through the first group of heat exchangers and the second group of heat exchangers.
  • the hot chambers are connected; the jet air inlet is opened on the side wall of the air inlet cover; the main air inlet is opened on the opposite side walls of the air inlet cover along the second direction; and the main air inlet is opened on the air inlet cover along the second direction.
  • the side walls in three directions, and/or the top wall of the air inlet hood.
  • it further includes: a flow guide structure, the flow guide structure is arranged at the lower end of the second group of heat exchangers; the flow guide structure includes a first flow guide surface and a second flow guide surface, the first The first flow guide surface and the second flow guide surface are symmetrical about the center line of the lower end of the second group of heat exchangers.
  • the number of air outlets is one
  • the projection of the air guide structure along the first direction is located in the air outlet
  • the first air guide surface is disposed facing the first heat exchanger and facing the first heat exchanger.
  • One side of the heat exchanger is convex
  • the second flow guiding surface is arranged facing the second heat exchanger and is convex toward the side of the second heat exchanger.
  • the number of air outlets is multiple, the projection of the air guide structure along the first direction is located between two adjacent air outlets, and the first air guide surface is disposed facing the first heat exchanger , and is recessed toward the side of the second heat exchanger, and the second guide surface is arranged facing the second heat exchanger and recessed toward the side of the first heat exchanger.
  • the first heat exchanger includes a plurality of first fins and a plurality of first heat exchange tubes, the plurality of first heat exchange tubes are arranged in a single row, and the plurality of first heat exchange tubes are arranged in a single row.
  • the fins are sleeved on the first heat exchange tube;
  • the second heat exchanger includes a plurality of second fins and a plurality of second heat exchange tubes, the plurality of second heat exchange tubes are arranged in a single row, and the plurality of second heat exchange tubes are arranged in a single row.
  • the third heat exchanger includes a plurality of third fins and a plurality of third heat exchange tubes, and the plurality of third heat exchange tubes are arranged in a single row.
  • the third fins are sleeved on the third heat exchange tubes;
  • the fourth heat exchanger includes multiple fourth fins and multiple fourth heat exchange tubes, the multiple fourth heat exchange tubes are arranged in a single row, and the multiple fourth heat exchange tubes are arranged in a single row.
  • the four fins are sleeved on the fourth heat exchange tube.
  • the first group of heat exchangers and the second group of heat exchangers are both arranged axisymmetrically, and the axis of symmetry of the axisymmetric arrangement is along the first direction extend.
  • the value range of the inclination angle of the third fin relative to the first direction is 0° to 45°; the value range of the inclination angle of the fourth fin relative to the first direction 0° to 45°.
  • the air inlet is higher than the lower end of the first group of heat exchangers.
  • the number of air outlets is 1; the ratio of the width of the air outlet along the second direction to the distance between the end face of the jet nozzle and the plane where the air outlet is located is in the range of 0.1 to 0.7.
  • the ratio of the distance between the center points of two adjacent jet nozzles to the width of the air outlet ranges from 0.5 to 2.
  • the angle between the central axis of the jet nozzle and the second direction of the casing is the first angle
  • the inclination angle of the third heat exchanger with respect to the first direction is the second angle
  • the value range of the first included angle is greater than or equal to 90° minus the difference between the second included angle and less than or equal to 90°.
  • it further includes: a Coanda effect element, and the Coanda effect element is arranged below the jet nozzle along the first direction; wherein, the cross section is carried out along the first direction, and on the obtained cross section, The Coanda effect element is symmetrical about the midline of the jet nozzle.
  • 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; and a heat exchanger is provided at the In the shell, the air flows through the air inlet to the heat exchanger for heat exchange, and then flows out from the air outlet; the heat exchanger includes a plurality of heat exchange sections arranged along the second direction, and a heat exchange section is formed between two adjacent heat exchange sections.
  • the heat exchanger is provided with a first heat exchange area and a second heat exchange area in sequence along the second direction; wherein, in the direction from the top of the shell to the bottom of the shell, the first heat exchange area is along the second direction.
  • the width gradually increases, and the width of the second heat exchange zone gradually decreases along the second direction; the first direction and the second direction are perpendicular, and the first direction is the direction of gravity.
  • a plurality of first heat exchange areas and a plurality of second heat exchange areas are formed between the plurality of heat exchange sections, and along the second direction, the first heat exchange areas and the second heat exchange areas are formed.
  • the hot spots are staggered.
  • the cross-sectional shapes of two adjacent heat exchange sections are V-shaped or inverted V-shaped; the cross-sections of the four heat exchange sections arranged in sequence The shape is M-shaped; wherein, the third direction is perpendicular to both the first direction and the second direction.
  • an air conditioner including the air conditioner indoor unit of any of the above technical solutions.
  • the air conditioner provided by the present application includes the air conditioner indoor unit of any one of the above technical solutions, it has all the beneficial effects of the air conditioner indoor unit, which will not be repeated here.
  • FIG. 1 shows a partial structural schematic diagram of an air conditioner indoor unit according to a first embodiment of the present application
  • FIG. 2 shows a schematic structural diagram of the indoor unit of the air conditioner including the embodiment shown in FIG. 1;
  • Fig. 3 shows a schematic diagram of airflow flow in the active jet mode of the air conditioner indoor unit of the embodiment shown in Fig. 2;
  • Fig. 4 shows the structural schematic diagram of the jet air duct and the jet nozzle in the air conditioner indoor unit of the embodiment shown in Fig. 2;
  • Fig. 5 shows the front view of the jet air duct and the jet nozzle in the air conditioner indoor unit of the embodiment shown in Fig. 4;
  • Fig. 6 shows the bottom view of the jet air duct and the jet nozzle in the air conditioner indoor unit of the embodiment shown in Fig. 4;
  • FIG. 7 is a schematic structural diagram of another angle of the indoor unit of the air conditioner of the embodiment shown in FIG. 1;
  • FIG. 8 shows a schematic structural diagram of an indoor unit of an air conditioner according to a second embodiment of the present application.
  • FIG. 9 shows a schematic structural diagram of an indoor unit of an air conditioner according to a third embodiment of the present application.
  • FIG. 10 shows a schematic structural diagram of an indoor unit of an air conditioner according to a fourth embodiment of the present application.
  • FIG. 11 shows a schematic structural diagram of an air conditioner indoor unit according to a fifth embodiment of the present application.
  • Fig. 12 shows a schematic structural diagram of the indoor unit of the air conditioner of the embodiment shown in Fig. 11 from another perspective;
  • Fig. 13 shows an exploded schematic diagram of the indoor unit of the air conditioner according to the sixth embodiment of the present application.
  • Fig. 14 shows a schematic structural diagram of another angle of the indoor unit of the air conditioner of the embodiment shown in Fig. 13;
  • Fig. 15 shows a schematic structural diagram of adding the third group of heat exchangers to the indoor unit of the air conditioner of the embodiment shown in Fig. 13;
  • Fig. 16 shows the effect diagram of heat exchange capacity under the condition of full passive natural convection and active air supply jet provided by the embodiment shown in Fig. 1;
  • FIG. 17 shows the effect diagram of the heat exchange capacity of the third group of heat exchangers using two straight pipes in an embodiment of the present application
  • Fig. 18 shows the effect diagram of the heat exchange capacity of the third group of heat exchangers using four straight pipes in an embodiment of the present application
  • Figure 19 shows a schematic diagram of the jet angle ⁇ in the embodiment shown in Figure 1;
  • FIG. 20 shows a schematic diagram of jet airflow distribution in an embodiment of the present application
  • Fig. 21 shows a schematic diagram of jet airflow distribution in still another embodiment of the present application.
  • Fig. 22 shows a speed effect diagram along the air supply direction of the jet air duct in an embodiment of the present application
  • Fig. 23 shows the effect diagram of the time-division speed of air supply along the jet nozzle in an embodiment of the present application
  • Figure 24 shows the effect diagram of the velocity corresponding to the jet nozzle using the elongated slit structure
  • Figure 25 shows the effect diagram of the sub-velocity corresponding to the use of the elongated slit structure for the jet nozzle
  • FIG. 26 shows a schematic diagram of the airflow direction of the jet of the jet nozzle in an embodiment of the present application
  • Figure 27 shows a schematic diagram of the airflow direction of the jet corresponding to the jet nozzle using the elongated slit structure
  • FIG. 28 shows the effect diagram of the heat exchange capacity using the Coanda effect element in an embodiment of the present application
  • FIG. 29 shows a schematic structural diagram of an air conditioner indoor unit according to still another embodiment of the present application.
  • FIG. 30 shows a schematic structural diagram of an air conditioner indoor unit according to still another embodiment of the present application.
  • FIG. 31 shows a schematic structural diagram of an air conditioner indoor unit according to another embodiment of the present application.
  • Fig. 32 shows a partial structural schematic diagram of the air conditioner indoor unit of the embodiment shown in Fig. 31;
  • Fig. 33 shows a partial structural schematic diagram of the air conditioner indoor unit of the embodiment shown in Fig. 31;
  • Fig. 34 shows a schematic structural diagram of the air inlet hood of the air conditioner indoor unit of the embodiment shown in Fig. 31;
  • Fig. 35 shows a schematic structural diagram of the jet nozzle and the jet air duct of the air conditioner indoor unit of the embodiment shown in Fig. 31;
  • Fig. 36 shows a schematic diagram of the base structure of the air conditioner indoor unit of the embodiment shown in Fig. 31;
  • Fig. 37 shows a schematic structural diagram of the water receiving tray of the indoor unit of the air conditioner according to the embodiment shown in Fig. 31;
  • FIG. 38 shows a partial structural schematic diagram of an air conditioner indoor unit according to still another embodiment of the present application.
  • FIG. 40 shows a schematic structural diagram of an air conditioner indoor unit according to still another embodiment of the present application.
  • FIG. 41 shows a schematic structural diagram of an air conditioner indoor unit according to another embodiment of the present application.
  • FIG. 42 shows a schematic structural diagram of an air conditioner indoor unit according to another embodiment of the present application.
  • 1 air conditioner indoor unit 10 shell, 110 air inlet cover, 1102 installation slot, 1104 opening, 120 base, 130 support plate, 101 air inlet, 1011 jet air inlet, 1012 main air inlet, 102 air outlet, 11 first Group heat exchanger, 111 first heat exchanger, 1110 first heat exchange tube, 1112 first fin, 112 second heat exchanger, 1122 second heat exchange tube, 1124 second fin, 12 second group heat exchanger Heater, 121 third heat exchanger, 1212 third heat exchange tube, 1214 third fin, 122 fourth heat exchanger, 1222 fourth heat exchange tube, 1224 fourth fin, 13 third group heat exchanger , 131 fifth heat exchanger, 1312 fifth heat exchange tube, 1314 fifth fin, 132 sixth heat exchanger, 1322 sixth heat exchange tube, 1324 sixth fin, 142 jet nozzle, 144 jet air duct, 15 fan, 16 heat exchange chamber, 18 first cavity, 20 second cavity, 22 diversion structure, 222 first diversion surface, 224 second diversion surface, 24 first water tray, 26 second Water receiving tray, 28 third water
  • 40 heat exchanger 402 heat exchange section, 404 first heat exchange area, 406 second heat exchange area.
  • the air conditioner indoor unit 1 and the air conditioner according to some embodiments provided by the present application will be described below with reference to FIGS. 1 to 42 .
  • an embodiment of the present application provides an air conditioner indoor unit 1, including: a casing 10, a first group of heat exchangers 11 and a second group of heat exchangers 12, the first group of heat exchangers
  • the heat exchanger 11 and the second set of heat exchangers 12 are arranged in the casing 10, and the casing 10 includes an air inlet 101 and an air outlet 102.
  • the air outlet 102 is located at the bottom of the casing 10; the air passes through the air inlet 101. After flowing to the first group of heat exchangers 11 and the second group of heat exchangers 12 for heat exchange, it flows out from the air outlet 102 .
  • the first group of heat exchangers 11 includes: a first heat exchanger 111 and a second heat exchanger 112;
  • the second group of heat exchangers 12 includes: a third heat exchanger 121 and a fourth heat exchanger 122, the third heat exchanger
  • the connecting line between the upper end and the lower end of the heat exchanger 121 is inclined with respect to the first direction, the connecting line between the upper end and the lower end of the fourth heat exchanger 122 is inclined with respect to the first direction, and the third heat exchange
  • the lower end of the heat exchanger 121 is connected to the lower end of the fourth heat exchanger 122, and the upper end of the third heat exchanger 121 is far away from the upper end of the fourth heat exchanger 122; wherein, along the second direction, the first heat exchanger 111, the third heat exchanger 121, the fourth heat exchanger 122 and the second heat exchanger 112 are arranged in sequence, the upper end of the first heat exchanger 111 is connected to the upper end of the third heat exchanger 121, and
  • the air conditioner indoor unit 1 provided by the present application is provided with a first group of heat exchangers 11 and a second group of heat exchangers 12 in the casing 10 , wherein the second group of heat exchangers 12 is arranged on the side of the first group of heat exchangers 11 . Between the first heat exchanger 111 and the second heat exchanger 112 , two sets of heat exchangers are enclosed into a heat exchange chamber 16 .
  • the arrow shown in FIG. 1 is the flow direction of the air flow when the air conditioner indoor unit 1 is running natural convection cooling.
  • the indoor air enters the casing from the air inlet 101 of the casing 10 10, and exchange heat with the first group of heat exchangers 11 and the second group of heat exchangers 12.
  • the temperature of the air decreases after heat exchange and becomes cold air for cooling.
  • the density of cold air is greater than that of air.
  • the cold air flows from the heat exchange chamber 16 to the air outlet 102 below, and finally from the air outlet 102 enters the room for cooling, and after the cold air flows out, a negative pressure is formed in the casing 10, and then the air continues to be drawn into the casing 10 from the air inlet 101, so far, a complete air cycle is completed.
  • the entire heat exchange process does not require the fan 15 to work, thereby avoiding the noise generated by the fan 15 under the condition of ensuring good heat exchange capacity.
  • a coordinate system with a first direction Z and a second direction Y perpendicular to each other is set in the space where the casing 10 is located, wherein the first direction is the direction of gravity, and the second direction is the direction of the casing 10 . width direction.
  • the connecting line between the upper end and the lower end of the third heat exchanger 121 is inclined relative to the first direction, which can be understood as the third fins 1214 of the third heat exchanger 121 are inclined relative to the first direction.
  • the connecting line between the upper end and the lower end of the fourth heat exchanger 122 is inclined relative to the first direction, which can be understood as the fourth fins 1224 are inclined relative to the first direction.
  • the first heat exchanger 111 , the third heat exchanger 121 , the fourth heat exchanger 122 and the second heat exchanger 112 are sequentially arranged in the casing 10 .
  • the upper end and the upper end of the third heat exchanger 121 are connected through the shell 10, and the upper end of the second heat exchanger 112 and the upper end of the fourth heat exchanger 122 are connected through the shell 10, so that the first heat exchanger
  • the heat exchanger 111 and the third heat exchanger 121 enclose the heat exchange chamber 16
  • the fourth heat exchanger 122 and the second heat exchanger 112 enclose the heat exchange chamber 16 .
  • the heat exchanger 122 is disposed in the casing 10 obliquely with respect to the first direction.
  • the heat exchange area between the air and the heat exchanger is increased in a limited space, thereby increasing the heat exchange area between the air and the heat exchanger.
  • the output capacity of the air-conditioning indoor unit 1 is improved, and the heat exchange efficiency of the air-conditioning indoor unit 1 is improved, so as to reach the user's set temperature as soon as possible, thereby improving the user's comfort.
  • air inlets 101 are provided on at least two surfaces of the casing 10 of the air conditioner indoor unit 1 , and air enters the casing 10 from multiple directions at the same time, thereby effectively improving the air conditioner indoor unit 1 . Cooling efficiency when using natural convection cooling.
  • the number of the second group of heat exchangers 12 is at least two groups, and the upper ends of the adjacent two groups of the second group of heat exchangers 12 are connected to each other. , the lower ends of the adjacent two groups of the second group of heat exchangers 12 are arranged away from each other.
  • At least two sets of second heat exchangers 12 are arranged between the first heat exchanger 111 and the second heat exchanger 112 , which is further increased by arranging multiple sets of heat exchangers.
  • the heat exchange area is increased, and the cooling capacity is increased, and the cooling demand can be satisfied, the noise can be reduced, and the user experience can be improved without turning on the fan 15 .
  • the number of the second group of heat exchangers 12 is one group, and in the section perpendicular to the third direction, the second group of heat exchangers
  • the cross-sectional shape of the heat exchanger 12 is V-shaped, and the cross-sectional shape composed of the first group of heat exchangers 11 and the second group of heat exchangers 12 is M-shaped; wherein, the third direction is perpendicular to the first direction and the second direction.
  • a third direction X perpendicular to the first direction and the second direction is set in the space where the casing 10 is located, and the third direction is the length direction of the casing 10 .
  • the cross-sectional shape of the second group of heat exchangers 12 is V-shaped
  • the cross-sectional shape of the first group of heat exchangers 11 and the second group of heat exchangers 12 is M-shaped
  • the M-shaped cross-sectional shape is The downward opening faces the air outlet 102, and the air entering from at least two directions can directly exchange heat with the first set of heat exchangers 11 and the second set of heat exchangers 12, compared to using a single heat exchange plane and a single direction
  • the way of air intake heat exchange greatly improves the heat exchange efficiency.
  • the distance from the lower end of the second group of heat exchangers 12 to the plane where the air outlet 102 is located is equal to the distance between the lower end of the first group of heat exchangers 11 and the plane where the air outlet 102 is located ; or the distance from the lower end of the second group of heat exchangers 12 to the plane where the air outlet 102 is located is greater than the distance between the lower end of the first group of heat exchangers 11 and the plane where the air outlet 102 is located.
  • the heat exchange area is increased, and on the other hand, the lower end of the first group of heat exchangers 11 and the lower end of the second group of heat exchangers 12 are at the same height or closer to the air outlet 102, which plays a role in guiding the flow.
  • the first heat exchanger 111 is inclined relative to the first direction
  • the second heat exchanger 112 is inclined relative to the first direction set up.
  • first heat exchanger 111 and the second heat exchanger 112 are disposed obliquely with respect to the first direction, that is, in a section perpendicular to the third direction, the first heat exchanger 111 and the third heat exchanger
  • the cross-sectional shape of 121 is combined into an inverted V shape
  • the cross-sectional shapes of the fourth heat exchanger 122 and the second heat exchanger 112 are combined into an inverted V shape.
  • the heat exchange area is further increased, thereby increasing the The air volume of natural convection is increased, and the heat exchange capacity and heat exchange efficiency of natural convection are improved.
  • the distance between the first heat exchanger 111 and the second heat exchanger 112 gradually increases.
  • the four heat exchangers together form an M-shaped arrangement, so that there are four heat exchangers that can be used for cooling in the housing 10 of the air conditioner indoor unit 1 , and all the four heat exchangers are It is installed in the housing 10 obliquely.
  • Air inlets 101 are provided on at least two walls of the housing 10 of the air conditioner indoor unit 1. Air enters the housing 10 from multiple directions at the same time, and the air entering from at least two directions can directly interact with the first set of heat exchangers. 11 and the second set of heat exchangers 12 perform heat exchange, thereby effectively improving the cooling efficiency of the air conditioner indoor unit 1 when using natural convection for cooling, and using natural convection to achieve cooling effect during operation with less noise.
  • the first heat exchanger 111 and the second heat exchanger 112 are arranged in parallel with respect to the first direction.
  • the first heat exchanger 111 and the second heat exchanger 112 are vertically arranged in the casing 10, and the heat exchange chamber 16 is enclosed with the second group of heat exchangers 12, within a limited space
  • the heat exchange area between the air and the heat exchanger is increased, thereby improving the output capacity of the air conditioner indoor unit 1, and improving the heat exchange efficiency of the air conditioner indoor unit 1, so as to reach the user's set temperature as soon as possible, thereby improving the user's use. comfort.
  • the air conditioner indoor unit 1 further includes: a fifth heat exchanger 131;
  • the fifth heat exchanger 131 is arranged below the first heat exchanger 111, and the upper end of the fifth heat exchanger 131 is connected to the lower end of the first heat exchanger 111; the sixth heat exchanger 132, the sixth heat exchanger
  • the heat exchanger 132 is arranged below the second heat exchanger 112 , and the upper end of the sixth heat exchanger 132 is connected to the lower end of the second heat exchanger 112 .
  • the fifth heat exchanger 131 and the sixth heat exchanger 132 are respectively arranged below the end of the first heat exchanger 111 facing the air outlet 102 and below the end of the second heat exchanger 112 facing the air outlet 102 .
  • the indoor unit provided by the present application can effectively utilize the internal space of the casing 10 by arranging the second set of heat exchangers 12 in the casing 10 obliquely, thereby reducing the size of the first set of heat exchangers 11 and the second set of heat exchangers.
  • the space occupied by the heat exchanger 12 in the vertical direction can be further provided with a fifth heat exchanger 131 and a sixth heat exchanger 132, thereby increasing the heat exchange area of the heat exchanger of the indoor unit, thereby increasing the The air intake air volume after heat exchange can meet the demand for cooling capacity during natural convection air intake.
  • the included angle between the line connecting the geometric centers of the plurality of heat exchange tubes of the fifth heat exchanger 131 and the first direction is the third included angle ⁇ 3.
  • the angle between the connection line defining the geometric centers of the plurality of heat exchange tubes of the sixth heat exchanger 132 and the first direction is the fourth angle ⁇ 4 , and the third angle is reasonably set according to the space in the shell 10 .
  • the value range of ⁇ 3 and the fourth included angle ⁇ 4 realizes the reasonable setting of the installation positions of the fifth heat exchanger 131 and the sixth heat exchanger 132, thereby improving the utilization rate of the inner space of the shell 10, so that the Under the condition that the body 10 is compact, it can provide a large heat exchange capacity and improve the energy efficiency of the air conditioner.
  • the first heat exchanger 111 includes a plurality of first fins 1112 and a plurality of first heat exchange tubes 1110 , and the plurality of first heat exchange tubes 1110 are Single row arrangement, a plurality of first fins 1112 are sleeved on the first heat exchange tube 1110;
  • the second heat exchanger 112 includes a plurality of second fins 1124 and a plurality of second heat exchange tubes 1122, a plurality of The second heat exchange tubes 1122 are arranged in a single row, and a plurality of second fins 1124 are sleeved on the second heat exchange tubes 1122;
  • the third heat exchanger 121 includes a plurality of third fins 1214 and a plurality of third heat exchangers The heat pipes 1212 and the plurality of third heat exchange pipes 1212 are arranged in a single row, and the plurality of third fins 1214 are sleeved on the third heat exchange pipes 1212; the fourth heat
  • the first heat exchanger 111, the second heat exchanger 112, the third heat exchanger 121 and the fourth heat exchanger 122, the fifth heat exchanger 131 and the sixth heat exchanger 132 all include multiple a plurality of heat exchange tubes, and a plurality of fins are sleeved on the plurality of heat exchange tubes; further, any of the plurality of heat exchange tubes are arranged in a single row, and by arranging in a single row, the volume, which can improve space utilization while ensuring heat exchange.
  • the sum of the number of heat exchange tubes in the first group of heat exchangers 11 and the number of heat exchange tubes in the fifth heat exchanger 131 and the sixth heat exchanger 132 is greater than that of the second group of heat exchangers 12 Number of heat exchange tubes. It can prevent that the distance between the two adjacent jet nozzles 142 is too large to cause the jet to impact the two side walls of the air outlet 102 , thereby affecting the performance of the air conditioner indoor unit 1 .
  • the specific experimental effect comparison is shown in Fig. 17 and Fig. 18, wherein, as shown in Fig. 17, the fifth heat exchanger 131 and the sixth heat exchanger 132 each have two vertical tubes, and the unit in the natural convection mode is The volume cooling capacity is 11168W/m 3 , as shown in FIG. 18 , there are four vertical tubes on each side of the fifth heat exchanger 131 and the sixth heat exchanger 132 , and the unit volume cooling capacity in natural convection mode is 12782W /m 3 .
  • the number of heat exchange tubes of the fifth heat exchanger 131 and the sixth heat exchanger 132 is greater than or equal to two.
  • the ratio of the fin pitch of two adjacent fins in the first group of heat exchangers 11 to the fin width of a single fin ranges from 0.1 to 0.45;
  • the ratio of the fin pitch of two adjacent fins to the fin width of a single fin ranges from 0.1 to 0.45;
  • the value of the ratio to the fin width of a single fin ranges from 0.1 to 0.45.
  • the air conditioner indoor unit 1 further includes: a jet nozzle 142 arranged on the Between two adjacent heat exchangers in the first group of heat exchangers 11 and the second group of heat exchangers 12, the jet nozzle 142 and the adjacent two heat exchangers are enclosed into a heat exchange chamber 16, and the heat exchange chamber The chamber 16 communicates with the air outlet 102 .
  • the air conditioner indoor unit 1 uses a combination of natural convection and active jet flow for cooling.
  • the jet nozzle 142 is located between the upper ends of two adjacent heat exchangers, the two adjacent heat exchangers are installed in the shell, and the upper ends of the two adjacent heat exchangers pass through the shell After the body is fixed, the two adjacent heat exchangers and the jet nozzles 142 together form a heat exchange chamber 16 .
  • the air enters the casing 10 from the air inlet 101 , passes through the first group of heat exchangers 11 and the second group of heat exchangers 12 for heat exchange, enters the heat exchange chamber 16 , and then enters the room through the air outlet 102 .
  • the air flow is introduced through the jet nozzle 142 to induce more air to pass through the first group of heat exchangers 11 and the second group of heat exchangers 12 into the heat exchange chamber 16, and perform heat exchange to achieve active cooling. wind.
  • the arrow shown in FIG. 3 is the flow direction of the air flow when the air conditioner indoor unit 1 is running fast cooling, the jet nozzle 142 ejects the air into the heat exchange chamber 16, and then flows out from the air outlet 102, at this time
  • the cool air flowing out of the air outlet 102 is a mixed airflow of the air provided by the jet nozzle 142 and the cool air provided by natural convection.
  • the jet nozzle 142 ejects air, the negative pressure in the area enclosed between two adjacent heat exchangers is also increased, so that more airflow can flow into the air inlet 101 .
  • the arrangement of the jet nozzles 142 further increases the air volume of natural convection, so that the air flow into the room through the air outlet 102 includes two parts of air flow: self-heating convection by the air inlet 101 and jet flow by the jet nozzle 142, which greatly improves the air flow of the indoor unit. Heat transfer capacity and cooling efficiency.
  • the shape of the jet nozzle 142 can be a circular hole, a strip hole or a polygonal hole. Specifically, the shape of the jet nozzle 142 is not limited to this, and also includes other unlisted through holes of different shapes. And the number of the jet nozzles 142 is plural. Alternatively, the jet nozzle 142 has a structure of an elongated opening 1104 that is consistent along the extending direction of the jet air channel 144 . By arranging the jet nozzles 142, the jet velocity of the incoming airflow can be further adjusted, and then injected into the heat exchange chamber 16 through the jet nozzles 142, so as to achieve the effect of guiding the natural convection incoming airflow and accelerate the heat exchange. efficiency.
  • the airflow of the jet in the active jet drainage mode, can be pre-cooled, and then the cooling capacity of 784W can be provided by the jet, which is The drained return air can provide a cooling capacity of 1144W.
  • the air sent out from the air outlet 102 is composed of two parts, one part is the jet air, and the other part is the diverted air.
  • the effect of providing greater air volume and greater cooling capacity with a small amount of active air supply is achieved. Therefore, when the active air volume maintains the air volume of the traditional air conditioner, the energy efficiency of the air conditioner can be improved.
  • the air conditioner indoor unit 1 further includes: a jet air duct 144 , and the jet air duct 144 communicates with the jet nozzle 142 ; In the flow direction of the air duct, the cross-sectional area of the jet air duct 144 gradually decreases.
  • the injection speed of the incoming air flow can be adjusted, and then injected into the heat exchange chamber 16 through the jet nozzle 142, so as to realize the natural resistance to the air flow.
  • the airflow that flows into the wind acts as a diversion to improve the heat exchange efficiency.
  • the cross-sectional area of the jet air duct 144 gradually decreases, so that the air flow can maintain a relatively stable wind pressure during the conveying process, thereby making the air flow from the jet flow.
  • the air flow out of the nozzle 142 is more uniform.
  • a fan 15 is also included, and the air supply port of the fan 15 is communicated with the jet air duct 144 to realize active air supply through the jet nozzle 142 .
  • the air sent out from the air outlet 102 is composed of two parts, one part is the jet air, and the other part is the diverted air.
  • the cross-sectional area of the air inlet end of the jet air duct 144 is taken as the first area
  • the cross-sectional area of the end of the jet air duct 144 is taken as the second area, wherein, the value of the second area is the first area.
  • 10% to 80% of the area by adjusting the tapering amplitude of the jet air duct 144, a reasonable structure can be set in combination with the overall structure of the air conditioner indoor unit 1, the heat exchange area of the heat exchanger, and the size of the heat exchange chamber 16. , in order to achieve the best air outlet speed and air volume, and improve the output capacity and comfort of the whole machine.
  • the port area of the air inlet end of the overall jet nozzle 142 is the third area
  • the flow area of the outlet end of all the jet nozzles 142 is the fourth area
  • the value of the fourth area is 50% to 95% of the third area
  • FIGS. 22 and 23 are the experimental effect diagrams of the jet air duct 144 and the jet nozzle 142 using the above structure, wherein, FIG. 22 shows the effect diagram of the jet flow along the length direction of the jet air duct 144, The spray speed is relatively uniform.
  • FIG. 23 shows the effect diagram of the sub-velocity of the jet along the length of the jet air channel 144, and the sub-velocity is small and uniform.
  • the jet nozzles 142 adopt elongated slits arranged along the length of the air duct instead of the structure of multiple jet nozzles 142 set in the present application.
  • Fig. 24 shows the effect diagram of the jet velocity along the length of the air duct, and the jet velocity is not uniform.
  • Figure 25 shows the effect of the partial velocity of the jet along the length of the air duct. The partial velocity is large and uneven.
  • the present application adopts the jet air duct 144 and the jet nozzle 142 , and the jetted air flows in a substantially vertical downward direction into the heat exchange chamber 16 , which corresponds to the air outlet 102 .
  • the jet nozzle 142 adopts a slit structure, and the flow direction of the air jetted through the entire slit is affected by the sub-velocity, and the overall flow direction is inclined forward, which further affects the flow direction of the air flow to the diversion direction. Influence, the air outlet area deviates from the air outlet 102 to affect the air outlet effect.
  • the structure adopted in the present application can realize the uniformity of the air outlet volume of the jet nozzle 142 and eliminate the partial velocity of the outlet air along the length direction of the jet air duct 144 .
  • the housing 10 includes: an air inlet cover 110 , and the air inlet 101 is opened in the air inlet cover 110
  • the base 120, the air inlet cover 110 is arranged on the base 120, and the air outlet 102 is opened on the base 120.
  • the housing 10 includes an air inlet cover 110 and a base 120 , the air inlet 101 is opened on the air inlet cover 110 , and the air outlet 102 is located on the base 120 .
  • the first group of heat exchangers 11 and the second group of heat exchangers 12 are arranged in the installation cavity enclosed by the air inlet cover 110 and the base 120, and the air flows from the air inlet 101 into the first group of heat exchangers 11 and the second group of heat exchangers.
  • the heat exchanger 12 enters the room through the air outlet 102 after heat exchange.
  • the housing 10 further includes: a support plate 130 , the support plate 130 is arranged between the base 120 and the air inlet cover 110 , and along the third direction, the support plate 130 is located in the air inlet cover
  • the two ends of the second group of heat exchangers 12 are respectively connected with the support plates 130 on both sides, and some of the first group of heat exchangers 11 are in contact with the support plates 130 and the air inlet cover 110 .
  • a support plate 130 is provided between the air inlet cover 110 and the base 120, wherein the two ends of the second group of heat exchangers 12 are fixed by the support plates 130; the first The two ends of the heat exchangers 11 are clamped and fixed by the support plates 130 and the air inlet cover 110, thereby realizing the installation and fixation of the heat exchangers. fixed installation of the device.
  • the heat exchange chamber 16 in the casing 10 can also be divided by the support plate 130 , and the heat exchange chamber 16 can be divided into the first cavity 18 and the second cavity 20 by the support plate 130 , and the first cavity 18 is provided with a first cavity 18 .
  • the second group of heat exchangers 12 and part of the first group of heat exchangers 11, part of the first group of heat exchangers 11 are located in the second cavity 20, the pre-cooling jets enter the air, and the air flow of the jets enters the air through the air inlet 101.
  • the first group of heat exchangers 11 enter the first cavity 18 after heat exchange and precooling, enter the first cavity 18 through the jet air duct 144 and the jet nozzle 142 , and then enter the indoor environment through the air outlet 102 .
  • the arrangement of the support plate 130 realizes the separation of the jet air inlet and the active air inlet flow channel, thereby realizing the improvement of heat exchange efficiency and heat exchange.
  • the air inlet hood 110 includes: an installation groove 1102 , which is arranged on the top wall of the air inlet hood 110 , an opening 1104 is provided at the bottom of the installation groove 1102 , and the jet nozzle 142 is arranged at the opening 1104 ; The upper ends of the two heat exchangers located on both sides of the jet nozzle 142 are in contact with the groove walls on both sides of the opening 1104 .
  • the top of the air inlet cover 110 is provided with an installation groove 1102, and the bottom of the installation groove 1102 has an opening 1104;
  • the installation of the jet air duct 144 is realized by setting the installation groove 1102, and the jet air duct 144 is installed in the installation In the groove 1102, the jet nozzle 142 corresponds to the opening 1104, and the jet nozzle 142 can extend out of the opening 1104 and enter the heat exchange chamber 16; the groove walls of the heat exchanger openings 1104 located on both sides of the jet nozzle 142 are in contact with The jet nozzles 142 are enclosed into a closed heat exchange chamber 16, thereby increasing the heat exchange heat and heat exchange efficiency of the airflow and avoiding the backflow of the airflow.
  • the air inlet 101 includes a jet air inlet 1011 and a main air inlet 1012 .
  • the jet air inlet 1011 is communicated with the jet nozzle 142, and the main air inlet 1012 is communicated with the heat exchange chamber 16 through the first group of heat exchangers 11 and the second group of heat exchangers 12; the jet air inlet 1011 is opened in the air inlet hood 110 sidewalls.
  • the main air inlet 1012 can be opened on the opposite side walls of the air inlet cover 110 along the second direction, the main air inlet 1012 can also be opened on the side wall of the air inlet cover 110 along the third direction, or opened in the air inlet cover.
  • a main air inlet 1012 is provided on the top wall of 110, or on the above-mentioned side walls and top walls at the same time.
  • the support plate 130 divides the air inlet 101 into a jet air inlet 1011 and a main air inlet 1012, the jet air inlet 1011 is communicated with the jet air duct 144, the air enters through the jet air inlet 1011, and passes through the first group of air inlets.
  • the heat exchanger 11 enters the jet air duct 144, enters the heat exchange chamber 16 from the jet nozzle 142, and then enters the room from the air outlet 102; part of the air main air inlet 1012 passes through part of the first group of heat exchangers 11 and the second group of heat exchangers 11.
  • the heat exchanger 12 enters the heat exchange chamber 16 after exchanging heat, and then enters the room through the air outlet 102 .
  • the jet air inlets 1011 are arranged on both sides of the air inlet cover 110 so that the airflow passes through the first group of heat exchangers 11 for heat exchange and then enters the jet air duct 144 ; the main air inlet 1012 is arranged on the air inlet cover 110 At least one of the side walls of the air inlet cover body 110 along the third direction and the top wall of the air inlet cover body 110 is also provided with a main air inlet 1012, thereby realizing multi-sided air intake,
  • the second group of heat exchangers 12 located in the middle part can also be fully utilized for heat exchange, thereby greatly improving the heat exchange and heat exchange efficiency. When users choose active air intake, they can quickly realize the cooling demand.
  • a flow guide structure 22 the flow guide structure 22 is arranged at the lower end of the second group of heat exchangers 12 ; the flow guide structure 22 includes a first The flow guide surface 222 and the second flow guide surface 224 , the first flow guide surface 222 and the second flow guide surface 224 are symmetrical with respect to the center line of the lower end of the second group of heat exchangers 12 .
  • the air conditioner indoor unit 1 is further provided with a flow guide structure 22, and the flow guide structure 22 is arranged on the side of the second group of heat exchangers 12 facing the air outlet 102.
  • the flow guide structure 22 has a symmetrical arrangement.
  • the first air guide surface 222 and the second air guide surface 224 are arranged so that the air guide structure 22 can divert the jets on both sides of the air guide structure 22, so that the air flow can flow out from the air outlet 102 smoothly, which further improves the cooling of the air conditioner indoor unit 1. performance and operational stability.
  • both the first guide surface 222 and the second guide surface 224 may be configured as curved surfaces or planes.
  • the number of the air outlet 102 is one
  • the projection of the air guide structure 22 along the first direction is located in the air outlet 102
  • the first air guide surface 222 is disposed facing the first heat exchanger 111 , and protrudes toward the side of the first heat exchanger 111
  • the second guide surface 224 is disposed facing the second heat exchanger 112 and protrudes toward the side of the second heat exchanger 112 .
  • an air outlet 102 is provided on the base 120, and an air outlet 102 is communicated with the heat exchange chamber 16 enclosed by the first group of heat exchangers 11 and the second group of heat exchangers 12, and conducts flow.
  • the structure 22 is arranged in a fluid shape.
  • the first guide surface 222 and the second guide surface 224 are arc-shaped and both protrude to the outside, thereby realizing that when the jet nozzle 142 is ejected During the jet flow, the air flow flows to the air outlet 102 along the outer wall of the guide structure 22, and under the influence of the Condall effect, the jet flow can smoothly flow out from the air outlet 102 without touching the walls on both sides of the air outlet 102, which further improves the air conditioning. Refrigeration performance and operation stability of the indoor unit 1.
  • the number of air outlets 102 is multiple, the projection of the air guide structure 22 along the first direction is located between two adjacent air outlets 102 , and the first air guide surface 222 faces the first heat exchange
  • the heat exchanger 111 is arranged and recessed toward the side of the second heat exchanger 112
  • the second flow guide surface 224 is arranged toward the side of the second heat exchanger 112 and recessed toward the side of the first heat exchanger 111 .
  • a plurality of air outlets 102 are provided, and the heat exchange chamber 16 enclosed by two adjacent heat exchangers and the jet nozzles 142 has one air outlet 102 correspondingly.
  • the second guide surfaces 224 are set in a concave shape, which can further realize the guide effect on the airflow, so that the airflow of each heat exchange chamber 16 can smoothly enter the room from the air outlet 102 .
  • the first group of heat exchangers 11 and The second group of heat exchangers 12 are all arranged axially symmetrically, and the axis of symmetry of the axially symmetrical arrangement extends along the first direction.
  • the first group of heat exchangers 11 and the second group of heat exchangers 12 are symmetrically arranged along the first direction, so that the first group of heat exchangers 11 and the second group of heat exchangers 12 can be used in a limited space
  • the heat exchange area is increased inside, so that the air completely passes through the heat exchanger for heat exchange and then flows out from the air outlet 102 .
  • the value range of the inclination angle ⁇ 2 of the third fins 1214 relative to the first direction is 0° to 45°; the inclination angle ⁇ 5 of the fourth fins 1224 relative to the first direction Values range from 0° to 45°.
  • the first group of heat exchangers 11 and the second group of heat exchangers 12 can be reasonably arranged according to the volume in the casing 10 to maximize the heat exchange area of the indoor unit, and it is beneficial to ensure that the air flow is arranged obliquely.
  • the third heat exchanger 121 and the fourth heat exchanger 122 have a good sinking effect, and at the same time, the condensed water on the third heat exchanger 121 and the fourth heat exchanger 122 can flow to the bottom along the inclined fins In the water receiving tray corresponding to the end of the air conditioner, the condensed water is prevented from dripping into the room from the air outlet 102 and causing environmental pollution, thereby improving the reliability and cleanliness of the product in the case of improving the heat exchange capacity of the air conditioner indoor unit 1 .
  • the air inlet 101 is higher than the lower end of the first group of heat exchangers 11 .
  • the airflow entering the interior of the shell 10 through the air inlet 101 passes through the first group of heat exchangers 11 and the second group of heat exchangers 11 .
  • the heat exchanger 12 can enter the heat exchange chamber 16 only after the heat exchanger 12 can enter the heat exchange chamber 16 without passing through the first set of heat exchangers 11 to cause return air and reduce the heat exchange capacity, thereby ensuring good heat exchange capacity.
  • the height of the air inlet located on the side wall of the casing 10 is Hin
  • the overall height of the heat exchanger group is H13
  • H13 is greater than Hin
  • the height of the heat exchanger group is H13.
  • the upper end is higher than the upper end of the air inlet
  • the lower end of the air inlet is higher than the lower end of the heat exchanger group.
  • the number of air outlets 102 is 1 ;
  • the value of the ratio ranges from 0.1 to 0.7.
  • the range of the ratio is 0.1 to 0.7, which is beneficial to The strength of natural convection is maintained, so that the jet angle of the jet nozzle 142 can better match the size of the air outlet 102, so that the jet area can match the size of the air outlet 102, which is beneficial to improve the jet performance and ensure good heat transfer capacity.
  • the space in the casing 10 is maximized, and the area other than the jet nozzle 142 in the width direction of the air-conditioning indoor unit 1 is Heat exchangers are installed.
  • the space occupancy rate of the heat exchanger inside the shell 10 is greatly improved, and the contact area between the air and the heat exchanger is increased in a limited space, thereby effectively improving the heat exchange efficiency of the air conditioner indoor unit 1 when using natural convection. .
  • this arrangement is beneficial to reduce the gaps between the first group of heat exchangers 11, the second group of heat exchangers 12 and the jet nozzles 142, so that the airflow flowing into the interior of the casing 10 through the first air inlet 101 is almost All heat exchanged through the first set of heat exchangers 11 and the second set of heat exchangers 12 flows out through the air outlet 102, which is beneficial to improve the heat exchange effect of the air conditioner indoor unit 1, reduce energy loss, and improve the energy efficiency of the air conditioner.
  • this arrangement is beneficial to reduce the gaps between the first group of heat exchangers 11, the second group of heat exchangers 12 and the jet nozzles 142, so that almost all the air flowing into the interior of the casing 10 through the air inlet 101 passes through the air inlet 101.
  • the first group of heat exchangers 11 and the second group of heat exchangers 12 flow out through the air outlet 102 after heat exchange, which is beneficial to improve the heat exchange effect of the air conditioner indoor unit 1, reduce energy loss, and improve the energy efficiency of the air conditioner.
  • the angle formed by the central axis of the jet nozzle 142 relative to the second direction extending from the third heat exchanger 121 to the first heat exchanger 111 is the first included angle ⁇ 1
  • the inclination angle of the third fin 1214 with respect to the first direction extending from the top to the bottom of the housing 10 is the second included angle ⁇ 2
  • the value range of the first included angle ⁇ 1 is : greater than or equal to 90° minus the second angle, and less than or equal to 90°.
  • the relationship between the first included angle ⁇ 1 and the second included angle ⁇ 2 satisfies: 90°- ⁇ 2 ⁇ 1 ⁇ 90°.
  • the first included angle is too small, that is, the first included angle ⁇ 90°-the second included angle
  • the ejected jet will impact the wall surface of the air outlet 102 close to the first heat exchanger 111, so that the ejected jet cannot be smoothly
  • the air-conditioning indoor unit 1 is discharged, which reduces the operation effect of the air-conditioning indoor unit 1 , and the long-term impact will also cause structural damage and noise problems to the air-conditioning indoor unit 1 . Therefore, setting the size of the first included angle within a reasonable range is beneficial to improve the performance of the air-conditioning indoor unit 1 and its stability during operation.
  • the size of the jet angle ⁇ can be reasonably limited, so that the jet angle ⁇ matches the air outlet 102, which is beneficial to improve the jet performance. And ensure good heat exchange capacity.
  • the jet angle ⁇ refers to the angle between the boundary of the jet and the centerline of the jet.
  • the width of the casing 10 is defined as the first width W 1
  • the width of the air outlet 102 is the second width W 2
  • two adjacent jets The distance between the center points of the nozzles 142 is the third width W 3 ; along the first direction, the distance between the outlet end face of the jet nozzle 142 and the plane where the air outlet 102 is located is the first height H, and the jet angle ⁇ of the jet nozzle 142 tan( ⁇ /2)>0.5 ⁇ (W 2 -W 3 )/H is satisfied with the size of the shell, so as to achieve the best jet effect.
  • the ratio of the distance between the center points of two adjacent jet nozzles 142 to the width of the air outlet 102 ranges from 0.5 to 2.
  • the condensed water can be effectively prevented from backflow at the air outlet 102 .
  • the airflow ejected by the jet nozzle 142 is effectively prevented from hitting the walls on both sides of the air outlet 102, which reduces the noise of equipment operation, improves the user's comfort, and enhances the operation stability and use of the air conditioner indoor unit 1. longevity and reduced maintenance costs.
  • the jet angle ⁇ of the jet nozzle 142 is within a reasonable range.
  • Figures 19 to 21 show the effects of different jet angles ⁇ on the airflow direction. Among them, as shown in FIG. 20, the jet angle ⁇ is too small, so that the jet area cannot cover the air outlet 102, and the wall surface of the casing 10 around the air outlet 102 will produce condensed water due to the backflow of the air outside the casing 10, which affects normal use. (The position indicated by the circle in Figure 20). As shown in FIG. 21 , if the jet angle ⁇ is too large, and the jet coverage area is too large to cover the air outlet 102 , more jets will impact the walls on both sides of the air outlet 102 to cause performance degradation (the circle in FIG. 21 ). location). As shown in Figure 19, the jet angle ⁇ is within a reasonable range, and the jet area matches the width of the air outlet 102, thereby improving the reliability of product use while ensuring that the jet has good heat exchange performance.
  • 0.1 ⁇ W 2 /H ⁇ 0.7 through the above parameter setting, it is beneficial to maintain the strength of natural convection, so that the jet angle ⁇ can better match the size of the air outlet 102, so that the jet area can be matched with the outlet.
  • the size of the tuyere 102 is consistent, which is beneficial to improve the jet performance and ensure a good heat exchange capacity.
  • the air conditioner indoor unit 1 further includes: a Coanda effect element 32 , and the Coanda effect element 32 is arranged below the jet nozzle 142 along the first direction. Wherein, the cross section is taken along the first direction, and on the obtained cross section, the Coanda effect element 32 is symmetrical about the center line of the jet nozzle 142 .
  • the Coanda effect element 32 is provided at the position where the jet nozzle 142 ejects air.
  • the Coanda effect element 32 is symmetrical about the center line of the jet nozzle 142.
  • the heat exchange effect of the air conditioner indoor unit 1 is further improved, and in the process of increasing the wind speed, no electrical components for active speed increase are used, which reduces the energy consumption of the air conditioner indoor unit 1 .
  • the Coanda effect element 32 is a cylinder.
  • the cross section is carried out perpendicular to the third direction, and on the obtained cross section, the center of the cylinder is located on the center line of the jet nozzle 142; the width of the jet nozzle 142 is the fourth width W 4 ; the center of the cylinder reaches the jet nozzle 142 The distance is the first distance D1.
  • the radius R of the cross-sectional circle of the Coanda effect element 32 is 0.2 ⁇ W 4 ⁇ R ⁇ 3 ⁇ W 4 .
  • the Coanda effect element 32 is an elliptical cylinder.
  • the cross section is taken along the first direction.
  • the focus of the ellipse body is located on the center line of the jet nozzle 142
  • the width of the jet nozzle 142 is the fourth width W 4
  • the ellipse center of the elliptical cylinder reaches the jet nozzle 142
  • the distance is the second distance D2.
  • the center of the ellipse refers to the midpoint of the line connecting the two foci of the ellipse.
  • the long-axis radius of the cross-sectional ellipse of the elliptical cylinder is A 1
  • the short-axis radius is B 1
  • the value range of A 1 is 0.2 ⁇ D2 ⁇ A 1 ⁇ 0.95 ⁇ D2
  • Fig. 19 is an effect diagram of the airflow flow rate without the Coanda effect element 32
  • Fig. 28 is an effect diagram of the flow rate after the Coanda effect element 32 is added. Comparing the two, it can be seen that the total cooling The cooling capacity increased from 1928.5W to 2015.6W, and the cooling capacity of the ejected air increased from 1144.4W to 1232.3W. Therefore, by adding the Coanda effect element 32, the technical effect of increasing the intake air volume and the intake air speed and improving the heat exchange efficiency can be better achieved.
  • the air conditioner indoor unit 1 further includes: a first water receiving tray 24 , a second water receiving tray 26 , a third water receiving tray
  • the water tray 28 , the first water tray 24 , the second water tray 26 , and the third water tray 28 are all disposed in the housing 10 .
  • the first water receiving pan 24 is located below the end of the fifth heat exchanger 131 facing the air outlet 102 , and is used for receiving or accommodating the condensed water generated by the first heat exchanger 111 and the fifth heat exchanger 131 .
  • the second water receiving pan 26 is located below the end of the sixth heat exchanger 132 facing the air outlet 102 , and is used for receiving or accommodating the condensed water of the second heat exchanger 112 and the sixth heat exchanger 132 .
  • the third water receiving pan 28 is located below the end of the second group of heat exchangers 12 facing the air outlet 102 , and is used for receiving condensed water generated by the second group of heat exchangers 12 .
  • the condensed water generated by the first heat exchanger 111, the second heat exchanger 112, the third heat exchanger 121, the fourth heat exchanger 122, the fifth heat exchanger 131 and the sixth heat exchanger 132 is prevented from flowing into the room It affects the normal use of users and improves the reliability of product use.
  • first water receiving tray 24, the second water receiving tray 26, and the third water receiving tray 28 are all inclined relative to the length direction of the casing 10, and the angle between the water receiving surface and the length direction of the casing 10 is greater than or equal to 3 ° According to the space in the housing 10, by reasonably setting the range of the angle between the water-receiving surface of the water-receiving pan and the length direction of the housing 10, the condensed water can be smoothly discharged along the water-receiving pan, so that the condensed water in the water-receiving pan can be timely discharge, and further improve the reliability of product use.
  • the air conditioner indoor unit 1 further includes a fourth water receiving tray 30, the fourth water receiving tray 30 extends along the second direction, and two ends of the fourth water receiving tray 30 are connected to the first water receiving tray 24 and the second water receiving tray 26 is connected, the third water receiving tray 28 is connected with the fourth water receiving tray 30, and the fourth water receiving tray 30 is used to collect the water in the first water receiving tray 24, the second water receiving tray 26 and the third water receiving tray 28. Condensed water.
  • the number of the fourth water receiving trays 30 is two, which are located at two ends of the base 120 respectively.
  • the top of the housing 10 is also provided with an air inlet 101 ; the air inlet 101 located at the top exchanges heat with the second group
  • the heat exchangers 12 are arranged opposite to each other, and the air can enter the housing 10 through the air inlet 101 at the top of the housing 10, and then enter the heat exchange chamber 16 through the second set of heat exchangers 12 after heat exchange, and enter the room near the air outlet 102.
  • a groove structure 34 is provided on the top of the housing 10 , and the air inlet 101 at the top is opened on the groove wall of the groove structure 34 , so that the side wall of the groove structure 34 exchanges heat with the third
  • the inclination angles of the heat exchanger 121 and the fourth heat exchanger 122 are consistent, thereby reducing the distance between the shell 10 and the third heat exchanger 121 and the fourth heat exchanger 122, reducing the resistance loss of the intake air flow, and further The amount of heat exchanged air entering the heat exchange chamber 16 is increased, so that the air conditioner indoor unit 1 can meet higher heat exchange requirements.
  • the groove structure 34 on the top of the casing 10, and the air inlet 101 at the top is opened on the groove wall of the groove structure 34, the air intake from both sides can be realized, so that when the whole machine is installed, it can be close to the roof. installation, reducing the footprint.
  • one end of the casing 10 is provided with a fan 15, and the air supply port of the fan 15 is communicated with the jet air duct 144, the structure is simple, and the production cost is reduced.
  • the number of fans 15 is two, and the two fans 15 are located at two ends of the housing 10 respectively;
  • the air supply port of one of the fans 15 is communicated with the jet air duct 144 on one side, and the air supply port of the other fan 15 of the two fans 15 is communicated with the jet air duct 144 on the other side.
  • One of the fans 15 provides airflow to the jet air duct 144 on the same side, and the other fan 15 provides airflow to the jet air duct 144 on the same side.
  • two fans 15 are used to participate in the active jet flow, which further increases the total air volume provided by the jet nozzle 142, improves the cooling effect of the air conditioner indoor unit 1, and can realize independent control, which is beneficial to meet various cooling needs.
  • the air conditioner indoor unit 1 provided in this embodiment further includes: a casing 10 , a first group of heat exchangers 11 and a second group of heat exchangers
  • the heat exchanger 12 , the first group of heat exchangers 11 and the second group of heat exchangers 12 are disposed in the casing 10 obliquely.
  • the housing 10 includes an air inlet 101 and two air outlets 102, the first group of heat exchangers 11 includes a first heat exchanger 111 and a second heat exchanger 112, and the second group of heat exchangers 12 includes a third heat exchanger heat exchanger 121 and fourth heat exchanger 122.
  • the first heat exchanger 111 , the third heat exchanger 121 , the fourth heat exchanger 122 and the second heat exchanger 112 are disposed in the casing 10 in an inclined manner relative to the first direction of the casing 10 in sequence.
  • the cross-sectional shapes of the first heat exchanger 111 and the third heat exchanger 121 are combined into an inverted V-shape, and the opening 1104 of the inverted V-shape faces one air outlet 102; the fourth The cross-sectional shapes of the heat exchanger 122 and the second heat exchanger 112 are combined into an inverted V-shaped opening 1104 facing the other air outlet 102 .
  • the cross-sectional shape of the first group of heat exchangers 11 and the cross-sectional shape of the second group of heat exchangers 12 are integrally combined into an M-shape.
  • the air conditioner indoor unit 1 also includes: two fans 15 and two sets of jet structures, one fan 15 communicates with the jet air duct 144 on one side, and the other fan 15 communicates with the jet air duct 144 on the other side.
  • each air outlet 102 corresponds to a set of obliquely arranged heat exchangers and a jet, so that the air inlet can be controlled separately, or the two jet structures can be controlled simultaneously.
  • the purpose of the air conditioner is to expand the use mode of the air conditioner to meet the different needs of users, and to turn on a fan 15 alone can also achieve the purpose of reducing energy consumption.
  • the air conditioner indoor unit 1 further includes: a third group of heat exchangers 13 , wherein the third group of heat exchangers 13 includes a fifth heat exchanger 131 and a sixth heat exchanger 132 .
  • the third set of heat exchangers 13 is disposed in the casing 10
  • the fifth heat exchanger 131 is disposed below the end of the first heat exchanger 111 facing the air outlet 102
  • the sixth heat exchanger 132 is disposed in the second heat exchanger 112 toward the bottom of one end of the air outlet 102 .
  • the internal space of the casing 10 can be effectively utilized, and the first set of heat exchangers 11 and the second set of heat exchangers 12 can be reduced in size.
  • the space occupied by the set of heat exchangers 12 in the vertical direction can be further provided with a third set of heat exchangers 13, thereby increasing the heat exchange area of the heat exchanger of the air conditioner indoor unit 1, and further improving the heat exchange
  • the hot air intake air volume can meet the demand for cooling capacity during natural convection air intake.
  • an embodiment of the present application provides an air conditioner indoor unit 1 including: a casing 10 and a heat exchanger 40 .
  • the housing 10 includes an air inlet 101 and an air outlet 102.
  • the air outlet 102 is located at the bottom of the housing 10
  • the heat exchanger 40 is arranged in the housing, and the air flows to the heat exchanger 40 through the air inlet 101. After heat exchange, it flows out from the air outlet 102;
  • the heat exchanger 40 includes a plurality of heat exchange sections 402 arranged in a wave shape along the second direction, and a heat exchange area is formed between two adjacent heat exchange sections 402, along the second direction.
  • the directional heat exchanger 40 is sequentially provided with a first heat exchange area 404 and a second heat exchange area 406; wherein, from the top of the casing 10 to the bottom of the casing 10, the first heat exchange area 404 is along the second direction.
  • the width gradually increases, and the width of the second heat exchange zone 406 along the second direction gradually decreases; the first direction and the second direction are perpendicular, and the first direction is the direction of gravity.
  • the air conditioner indoor unit 1 is provided with a heat exchanger 40 in the casing 10 , and the heat exchanger 40 includes a plurality of heat exchange sections 402 arranged in a wave shape along the second direction. A heat exchange area is formed between the segments 402, and the first heat exchange area 404 and the second heat exchange area 406 are arranged adjacent to each other in sequence.
  • the air conditioner indoor unit 1 is performing natural convection cooling, the indoor air enters the casing 10 from the air inlet 101 of the casing 10, and exchanges heat with the heat exchange section 402, and the heat-exchanged air flows from the heat exchange area to the lower
  • the air outlet 102 finally enters the room from the air outlet 102 for cooling.
  • the first direction is the direction of gravity
  • the second direction is the width direction of the casing 10 .
  • the width of the first heat exchange area 404 in the second direction gradually increases, and the width of the second heat exchange area 406 in the second direction gradually decreases. That is, at least a part of the heat exchange section 402 is inclined with respect to the first direction.
  • the heat exchange area between the air and the heat exchanger 40 is increased in a limited space.
  • the output capacity of the air-conditioning indoor unit 1 is improved, and the heat exchange efficiency of the air-conditioning indoor unit 1 is improved, so as to reach the user's set temperature as soon as possible, thereby improving the user's comfort.
  • first heat exchange areas 404 and a plurality of second heat exchange areas 406 are formed between the plurality of heat exchange sections 402, and along the second direction, the first heat exchange areas 404 and the second heat exchange areas 406 are staggered distributed.
  • the utilization rate of the space in the casing is further improved, so that the volume of the casing 10 is improved.
  • it provides a large heat exchange capacity and improves the energy efficiency of the air conditioner.
  • the third direction is perpendicular to both the first direction and the second direction, and in the section perpendicular to the third direction, the cross-sectional shapes of the two adjacent heat exchange sections 402 are V-shaped or inverted.
  • the cross-sectional shape of the four heat exchange sections 402 arranged in sequence is M type.
  • the heat exchange section 402 disposed on the outermost side can be segmented.
  • the side close to the top of the casing 10 is inclined and disposed close to the outlet.
  • One side of the tuyere is arranged vertically, and the space in the casing 10 is further utilized to achieve the best heat exchange efficiency.
  • the implementation of the heat exchange section 402 is not limited to the above two ways, and can also take a bending shape as shown in FIG. 41 , thereby increasing the heat exchange area in a limited space, Then increase the heat exchange and improve the heat exchange efficiency.
  • the heat exchange section 402 adopts a trapezoidal structure, which further increases the heat exchange area of the heat exchanger, so as to increase the heat exchange area in a limited space and improve the heat exchange efficiency.
  • an air conditioner which includes the air conditioner indoor unit 1 in any of the above-mentioned embodiments, and therefore has all the beneficial effects of the air conditioner indoor unit 1, which will not be repeated here.
  • the air conditioner further includes a control system, the control system can obtain the working mode instruction of the air conditioner, and control the air conditioner indoor unit 1 to perform natural convection heat exchange, jet heat exchange (starting the fan), or self-heating convection heat exchange according to the working mode instruction. Heat and jet heat transfer work together to meet the different needs of users and maximize user comfort.
  • the air conditioner indoor unit 1 provided by the present application can be applied to multiple products such as household air conditioners, central air conditioners, commercial air curtains, and indoor terminals of commercial air conditioners.
  • the term “plurality” refers to two or more than two. Unless otherwise expressly defined, the orientation or positional relationship indicated by the terms “upper” and “lower” is based on the orientation described in the drawings. Or the 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; term “Connected”, “connected”, “installed”, “fixed”, etc. should be understood in a broad sense.
  • connection and “connected” can be fixed connections, detachable connections, or integral connections; It can be directly connected or indirectly connected through an intermediary.
  • connection can be fixed connections, detachable connections, or integral connections; It can be directly connected or indirectly connected through an intermediary.
  • description of the terms “one embodiment,” “some embodiments,” “a specific embodiment,” etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in this application at least one embodiment or example of .
  • schematic representations of the above terms do not necessarily refer to the same embodiment or instance.
  • the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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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

Unité intérieure de climatiseur et climatiseur. L'unité intérieure (1) de climatiseur comprend : une enveloppe (10), l'enveloppe (10) comprenant une première entrée d'air (101) et une sortie d'air (102) ; un premier ensemble d'échangeurs de chaleur (11), qui est disposé de manière oblique dans l'enveloppe (10) par rapport à une paroi latérale de l'enveloppe (10) ; et un second ensemble d'échangeurs de chaleur (12), qui est disposé de manière oblique dans l'enveloppe (10) par rapport à une paroi latérale de l'enveloppe (10). Le premier ensemble d'échangeurs de chaleur (11) et le second ensemble d'échangeurs de chaleur (12) forment une chambre d'échange de chaleur, la chambre d'échange de chaleur est en communication avec la sortie d'air (102), et le premier ensemble d'échangeurs de chaleur (11) et le second ensemble d'échangeurs de chaleur (12) sont tous deux en communication avec la première entrée d'air (101).
PCT/CN2020/138386 2020-12-11 2020-12-22 Unité intérieure de climatiseur et climatiseur WO2022120948A1 (fr)

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CN202011443255.7A CN114623498B (zh) 2020-12-11 2020-12-11 空调室内机和空调器
CN202011443255.7 2020-12-11

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04306429A (ja) * 1991-04-03 1992-10-29 Kubota Corp 空調用熱交換装置
JPH10259953A (ja) * 1997-03-19 1998-09-29 Fujitsu General Ltd 空気調和機
JP2003185168A (ja) * 2001-12-20 2003-07-03 Fujitsu General Ltd 空気調和機
CN1746575A (zh) * 2004-09-06 2006-03-15 富士通将军股份有限公司 空调器
JP3846315B2 (ja) * 2002-01-18 2006-11-15 株式会社富士通ゼネラル 空気調和機
CN1967061A (zh) * 2005-11-14 2007-05-23 三洋电机株式会社 空气调和机
CN205991565U (zh) * 2016-08-25 2017-03-01 深圳沃海森科技有限公司 壁挂式室内机换热器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204693612U (zh) * 2015-03-31 2015-10-07 四川长虹电器股份有限公司 一种空调室内主机
CN105402821B (zh) * 2015-12-30 2018-06-12 海信（山东）空调有限公司 一种空调室内机
CN205919423U (zh) * 2016-07-26 2017-02-01 青岛海尔中央空调有限公司 一种室内机及空调
CN107860060A (zh) * 2017-10-31 2018-03-30 青岛海尔空调器有限总公司 壁挂式空调器室内机
CN107940579B (zh) * 2017-12-21 2024-04-26 广东美的制冷设备有限公司 空调器室内机和具有其的空调器
CN110056972A (zh) * 2019-05-10 2019-07-26 青岛海尔空调器有限总公司 壁挂式空调器室内机

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04306429A (ja) * 1991-04-03 1992-10-29 Kubota Corp 空調用熱交換装置
JPH10259953A (ja) * 1997-03-19 1998-09-29 Fujitsu General Ltd 空気調和機
JP2003185168A (ja) * 2001-12-20 2003-07-03 Fujitsu General Ltd 空気調和機
JP3846315B2 (ja) * 2002-01-18 2006-11-15 株式会社富士通ゼネラル 空気調和機
CN1746575A (zh) * 2004-09-06 2006-03-15 富士通将军股份有限公司 空调器
CN1967061A (zh) * 2005-11-14 2007-05-23 三洋电机株式会社 空气调和机
CN205991565U (zh) * 2016-08-25 2017-03-01 深圳沃海森科技有限公司 壁挂式室内机换热器

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