WO2021017207A1 - Unité intérieure de climatiseur à montage mural - Google Patents

Unité intérieure de climatiseur à montage mural Download PDF

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Publication number
WO2021017207A1
WO2021017207A1 PCT/CN2019/113052 CN2019113052W WO2021017207A1 WO 2021017207 A1 WO2021017207 A1 WO 2021017207A1 CN 2019113052 W CN2019113052 W CN 2019113052W WO 2021017207 A1 WO2021017207 A1 WO 2021017207A1
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
heat exchange
indoor unit
wall
conditioner indoor
Prior art date
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PCT/CN2019/113052
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English (en)
Chinese (zh)
Inventor
赵夫峰
Original Assignee
广东美的制冷设备有限公司
美的集团股份有限公司
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Publication of WO2021017207A1 publication Critical patent/WO2021017207A1/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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0025—Cross-flow or tangential fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers

Definitions

  • This application relates to the technical field of air conditioners, in particular to a wall-mounted air conditioner indoor unit.
  • Some air conditioners in the related art are affected by the use environment, so that the external dimensions of the wall-mounted air conditioner indoor unit cannot be too large, resulting in limited and small internal space of the wall-mounted air conditioner indoor unit. Therefore, it will be affected to a certain extent. Affect the energy efficiency rating of the wall-mounted air conditioner indoor unit
  • This application aims to solve at least one of the technical problems existing in related technologies. For this reason, this application is to propose a wall-mounted air conditioner indoor unit with a higher energy efficiency level.
  • the wall-mounted air conditioner indoor unit includes: a housing with an air inlet at the top and an air outlet at the bottom of the housing; a heat exchange assembly, where the heat exchange assembly is provided
  • the housing includes a rear heat exchanger arranged below the air inlet, and the rear heat exchanger extends obliquely backwards in a first direction from top to bottom; an air duct assembly, where the air duct assembly is arranged
  • the housing includes a front air duct member and a rear air duct member arranged behind the front air duct member.
  • An air outlet is defined between the rear air duct member and the front air duct member.
  • the air outlet duct extends from the heat exchange assembly to the air outlet; the cross-flow wind wheel, the cross-flow wind wheel is placed transversely at the inlet of the outlet air duct, and the upper end of the rear air duct is extended Enters between the through-flow wind wheel and the rear heat exchanger, the diameter of the through-flow wind wheel is D; the water receiving component, the water receiving component is arranged in the housing, the water receiving component defines The rear water tank is arranged below the rear heat exchanger and behind the rear air duct member, wherein, on the preset cross section of the wall-mounted air conditioner indoor unit, the The lowest point in the water tank is connected as a horizontal line, and the straight line distance between the intersection of the horizontal line and the rear air duct member and the upper end point of the rear air duct member is Y1, passing the upper end point of the rear air duct member An orthographic projection is made to the leeward surface of the rear heat exchanger to obtain a projection point.
  • the linear distance between the projection point and the lower end of the leeward surface of the rear heat exchanger is Y2, and the air inlet is in the front-rear direction
  • the horizontal length of the rear heat exchanger is M
  • the horizontal distance between the rear end of the rear heat exchanger and the rear end of the shell is L
  • the vertical height of the rear heat exchanger is H
  • the rear heat exchanger is at
  • the length in the first direction is L1, where 1.3 ⁇ Y1/D ⁇ 2.6, 1.1 ⁇ Y1/Y2 ⁇ 1.35, 0.06 ⁇ L/M ⁇ 0.17, 0.48 ⁇ H/L1 ⁇ 0.8.
  • the wall-mounted air conditioner indoor unit of the present application by setting as: 1.3 ⁇ Y1/D ⁇ 2.6, 1.1 ⁇ Y1/Y2 ⁇ 1.35, 0.06 ⁇ L//M ⁇ 0.17, the wall-mounted air conditioner indoor unit can have a higher Energy efficiency rating.
  • the heat exchange assembly further includes: a back heat exchanger, the back heat exchanger is arranged on the windward side of the back heat exchanger, the back heat exchanger is from top to bottom It also extends obliquely backward along the first direction, and the length of the back heat exchanger in the first direction is L3, where L3 ⁇ L1.
  • the rear heat exchanger includes a plurality of rows of rear heat exchange tube groups, and the plurality of rows of the rear heat exchange tube groups are spaced apart along a second direction perpendicular to the first direction, and each row of the The back heat exchange tube group includes a plurality of back heat exchange tubes spaced apart along the first direction, the back heat exchanger includes a row of back heat exchange tube groups, and the back heat exchange tube group includes The plurality of back heat exchange tubes are spaced apart in the first direction, the number of rows of the back heat exchange tube group is N1, the tube diameter of the back heat exchange tubes is D1, and the The pipe diameter is D2, where N1 ⁇ 3, where 4.7mm ⁇ D1 ⁇ 6.35mm, 6.35mm ⁇ D2 ⁇ 8mm.
  • the number of the back heat exchange tubes is N2, where N2 is 4 or 6 or 8.
  • the water receiving component includes a rear water receiving tray, the rear water receiving tray defines the rear water receiving groove, and the rear water receiving tray and the rear air duct member are separate pieces.
  • the wall-mounted air conditioner indoor unit further includes an electric control device arranged in front of the heat exchange assembly
  • the heat exchange assembly further includes a front heat exchanger, a lower heat exchanger, and a front and back heat exchanger
  • the front heat exchanger is arranged below the air outlet and in front of the rear heat exchanger, the front heat exchanger extends obliquely from top to bottom along the third direction, and the front heat exchanger
  • the upper end of the heat exchanger is connected to the upper end of the rear heat exchanger, the lower end of the front heat exchanger is far away from the lower end of the rear heat exchanger, and the lower heat exchanger is located below the front heat exchanger and Located in front of the cross-flow wind wheel, the front heat exchanger extends obliquely from top to bottom, and the upper end of the lower heat exchanger is connected to the lower end of the front heat exchanger.
  • the heat exchanger is arranged on the windward side of the front heat exchanger, the front back heat exchanger also extends obliquely forward along the third direction from top to bottom, and the front back heat exchanger is in the third direction
  • the length of the front heat exchanger is L4, and the length of the front heat exchanger in the third direction is L2, where L4 ⁇ L2.
  • the length of the casing is A
  • the height of the casing is B
  • the thickness of the casing is C, where A ⁇ 800mm, B ⁇ 298mm, and 375mm ⁇ C ⁇ 400mm.
  • Fig. 1 is a preset cross-sectional view of a wall-mounted air conditioner indoor unit according to an embodiment of the present application
  • Fig. 2 is a schematic diagram of the heat exchange assembly shown in Fig. 1.
  • Wall-mounted air conditioner indoor unit 100
  • Back heat exchanger 22 Back heat exchange tube group 221; Back heat exchange tube 2210;
  • Air duct assembly 3 Air duct assembly 3;
  • Water receiving component 5 after receiving water pan 5a; after receiving water tank 51;
  • the wall-mounted air conditioner indoor unit 100 may include: a housing 1, a heat exchange assembly 2, an air duct assembly 3, a cross flow wind wheel 4 and a water receiving assembly 5.
  • the top of the housing 1 has an air inlet 11, and the bottom of the housing 1 has an air outlet 12.
  • the heat exchange assembly 2 is arranged in the housing 1, and includes a rear heat exchanger 21 arranged below the air inlet 11.
  • the rear heat exchanger 21 extends obliquely backward along the first direction F1 from top to bottom.
  • the wall-mounted air conditioner indoor unit 100 it usually needs to be installed on an indoor wall.
  • the direction close to the wall is the back, and the direction away from the wall is the front.
  • the housing The top direction of 1 is upward, and the bottom direction of housing 1 is downward.
  • the air duct assembly 3 is arranged in the housing 1, and includes a front air duct member 32 and a rear air duct member 31 arranged behind the front air duct member 32, the rear air duct member 31 and the front air duct member An air outlet duct 33 is defined between 32, and the air outlet duct 33 extends from the heat exchange assembly 2 to the air outlet 12.
  • the tubular wind wheel 4 is placed across the inlet of the air outlet duct 33, and the rear air duct part 31 The upper end extends between the through-flow wind wheel 4 and the rear heat exchanger 21.
  • the water receiving assembly 5 is arranged in the housing 1 and defines a rear water tank 51.
  • the rear water tank 51 is provided below the rear heat exchanger 21 and Located behind the rear air duct member 31.
  • the heat exchange assembly 2, the air duct assembly 3, the cross flow wind wheel 4 and the water receiving assembly 5 in the wall-mounted air conditioner indoor unit 100 are all arranged in the housing 1, and there is an inlet on the top of the housing 1.
  • the air outlet 11, the bottom of the housing 1 has an air outlet 12
  • the heat exchange assembly 2 may include a rear heat exchanger 21, which is arranged below the air inlet 11 and is inclined from top to bottom to the rear in the first direction F1
  • the air duct assembly 3 includes a front air duct member 32 and a rear air duct member 31, an air outlet duct 33 is defined between the front air duct member 32 and the rear air duct member 31, and the air outlet duct 33 is formed by the heat exchange assembly 2 Extend to the air outlet 12, the axis of the tubular wind wheel 4 extends horizontally and is located at the inlet of the air outlet duct 33, and the upper end of the rear air duct member 31 extends into the tubular wind wheel 4 and the rear heat exchanger Between 21.
  • the wall-mounted air conditioner indoor unit 100 works, through the rotation of the cross-flow wind wheel 4, negative pressure is generated at the air inlet 11, and indoor air is sucked into the housing 1, and the air entering the housing 1 can interact with the heat exchange assembly 2.
  • the heat exchange is performed, and then it enters the air outlet duct 33, and finally is sent out from the air outlet 12 to the room, so as to achieve the function of adjusting the indoor temperature (such as cooling and heating).
  • the surface temperature of the heat exchange assembly 2 is lower than that of the indoor air at this time, the moisture in the indoor air will form condensate at the heat exchange assembly 2.
  • a water receiving assembly 5 is provided for collecting the condensed water dripping from the heat exchange assembly 2.
  • the water receiving assembly 5 may include a rear water tank 51, and the rear water tank 51 is provided under the rear heat exchanger 21 and located at the rear The rear of the air duct member 31 is used to collect the condensed water dripping from the rear heat exchanger 21.
  • the diameter of the cross-flow wind wheel 4 is D.
  • the lowest point in the water tank 51 is drawn as a horizontal line, and the intersection of the horizontal line and the rear air duct 31 is The linear distance between the upper end of the rear air duct 31 is Y1, and the upper end of the rear air duct 31 is orthographically projected to the leeward surface of the rear heat exchanger 21 to obtain the projection point.
  • the projection point is the leeward of the rear heat exchanger 21
  • the linear distance between the lower end points of the surface is Y2
  • the horizontal length of the air inlet 11 in the front and rear direction is M
  • the rear end of the rear heat exchanger 21 is to the rear end of the shell 1 (that is, the rearmost surface of the shell 1
  • the horizontal distance between the end points of the vertical surface) is L
  • the vertical height of the rear heat exchanger 21 is H
  • the length of the rear heat exchanger 21 in the first direction F1 is L1, where 1.3 ⁇ Y1/D ⁇ 2.6, 1.1 ⁇ Y1/Y2 ⁇ 1.35, 0.06 ⁇ L//M ⁇ 0.17, 0.48 ⁇ H/L1 ⁇ 0.8.
  • the preset cross section of the wall-mounted air conditioner indoor unit 100 in the present application includes but is not limited to being at the middle position of the length of the wall-mounted air conditioner indoor unit 100, along the vertical direction of the wall-mounted air conditioner indoor unit 100 100 in the longitudinal direction of the cross section.
  • the transverse arrangement of the cross-flow wind wheel 4 means that the axial extension direction of the cross-flow wind wheel 4 is parallel to the length direction of the wall-mounted air conditioner indoor unit 100, or in other words, the axis of the cross-flow wind wheel 4 is perpendicular to the wall-mounted air conditioner indoor unit 100. Preset cross-section settings.
  • the side surface that is, the upstream surface
  • the side surface that is, the upstream surface
  • the other side surface of is the leeward surface of the heat exchange assembly 2 (ie, the downstream surface).
  • the inventor After analyzing various factors that may affect the energy efficiency of the wall-mounted air conditioner indoor unit 100, the inventor creatively discovered that when the value range of Y1/D, Y1/Y2, L//M, and H/L1 When limited at the same time, it can be ensured that the wall-mounted air conditioner indoor unit 100 in the embodiment of the present application has high energy efficiency.
  • 1.3 ⁇ Y1/D ⁇ 2.6 for example: 1.3, 1.4, 1.63, 1.95, 2.26, 2.6, etc., 1.1 ⁇ Y1/Y2 ⁇ 1.35, for example: 1.1, 1.16, 1.21, 1.28, 1.35, etc., 0.06 ⁇ L//M ⁇ 0.17, for example: 0.06, 0.09, 0.11, 0.14, 0.17, etc., 0.48 ⁇ H /L1 ⁇ 0.8, and may be 0.48, 0.55, 0.64, 0.72, 0.8, etc., for example.
  • the evaluation indicators used in the experiments in this article are all APF.
  • APF abbreviation of Annual Performance Factor, annual energy consumption efficiency
  • the APF evaluation index takes into account both the cooling capacity of the air conditioner and the heating factor. Instead of assessing the energy efficiency indicators of inverter air conditioners in the past, only the energy consumption of air conditioners during the cooling season was assessed. APF assesses the level of energy consumption throughout the year, which provides a more comprehensive assessment of air conditioning performance.
  • the first set of experiments when the experimental conditions are that the above diameter D is fixed, the above Y1 length, or the above Y1 remains unchanged, adjust the above diameter D to obtain the range of energy efficiency APF under different ratios of Y1/D, and the following is obtained data:
  • the ratio of the length Y1 to the diameter D is in the range of 1.3 ⁇ Y1/D ⁇ 2.6, so that the wall-mounted air conditioner indoor unit 100 can have a higher efficiency.
  • the second set of experiments are that the diameter D is fixed, the length L is adjusted, or the length L is unchanged, the length M is adjusted to obtain the range of energy efficiency APF under different ratios of L/M, and the The following data:
  • the ratio of the length L to the length M ranges from 0.06 ⁇ L//M ⁇ 0.17, so that the wall-mounted air conditioner indoor unit 100 can have higher energy efficiency .
  • the third set of experiments are that the diameter of the wind wheel D remains unchanged, the ratio of H to L1 remains unchanged, and L and M remain unchanged. Adjust the size of Y2, or adjust the size of Y1 to obtain the range of energy efficiency APF under different ratios of Y1 to Y2, and obtain the following data:
  • the ratio range of Y1 to Y2 is 1.1 ⁇ Y1/Y2 ⁇ 1.35, so that the wall-mounted air conditioner indoor unit 100 can have higher energy efficiency.
  • the fourth group of experiments are that the diameter D remains unchanged, the height H is adjusted, or the height H remains unchanged, the length L is adjusted to obtain the energy efficiency APF under different ratios of H/L1 Scope, get the following data:
  • the ratio of the height H to the length L is in the range of 0.48 ⁇ H/L1 ⁇ 0.8, so that the wall-mounted air conditioner indoor unit 100 can have a relatively high High energy efficiency.
  • the wall-mounted air conditioner indoor unit 100 of the present application by setting as: 1.3 ⁇ Y1/D ⁇ 2.6, 1.1 ⁇ Y1/Y2 ⁇ 1.35, 0.06 ⁇ L//M ⁇ 0.17, the wall-mounted air conditioner indoor unit 100 can have Higher energy efficiency.
  • the diameter D of the tubular wind wheel 4 is 118mm ⁇ D ⁇ 130mm. That is to say, the diameter D of the cross flow wind wheel 4 ranges from 118 mm to 130 mm, for example, 118 mm, 125 mm, 130 mm, etc., so the cross flow wind wheel 4 can provide sufficient air supply power for the wall-mounted air conditioner indoor unit 100 , Thereby ensuring that the wall-mounted air conditioner indoor unit 100 can have high energy efficiency.
  • the heat exchange assembly 2 may further include: a back heat exchanger 22, which is arranged on the windward side of the rear heat exchanger 21, and the back heat exchanger
  • the heat exchanger 22 also extends obliquely backward along the first direction F1 from top to bottom.
  • the length of the back heat exchanger 22 in the first direction F1 is L3, and the length of the back heat exchanger 21 in the first direction F1 is L1.
  • L3 L1
  • the back heat exchanger 22 is provided on the side of the back heat exchanger 21 close to the air outlet 12, and in the first direction F1, the inclination direction of the back heat exchanger 21 and the back heat exchanger 22 and The angle of inclination is the same.
  • the length of the back heat exchanger 22 and the length of the back heat exchanger 21 are L3 and L1, respectively, and the length of the back heat exchanger 22 is less than the length of the back heat exchanger 21 , That is, L3 ⁇ L1.
  • the air entering the housing 1 can exchange heat with the back heat exchanger 22 and the rear heat exchanger 21, respectively, so that the heat exchange efficiency of the heat exchange assembly 2 can be improved, and the wall-mounted air conditioner indoor unit 100 Can have higher energy efficiency.
  • the ratio of the above-mentioned length L3 to the above-mentioned length L1 is 1.2-2.15 (for example, it can be 1.2, 1.42, 1.65, 1.86, 2.15, etc.), which can be verified by the following experiments, for example.
  • the experimental conditions are that the above-mentioned diameter D remains unchanged, the above-mentioned length L and the above-mentioned length M remain unchanged, the above-mentioned length Y2 and the above-mentioned length Y1 remain unchanged, the above-mentioned length L1 is adjusted, or the above-mentioned length L3 is adjusted to obtain the difference between L1 and Under different ratios of L3 and the range of energy efficiency APF, the following data is obtained:
  • the ratio of the length L1 to the length L3 ranges from 1.2 ⁇ L3/L1 ⁇ 2.15, so that the wall-mounted air conditioner indoor unit 100 can have higher energy efficiency.
  • the rear heat exchanger 21 may include a plurality of rows of rear heat exchange tube groups 211, and the plurality of rows of rear heat exchange tube groups 211 are spaced apart along a second direction F2 perpendicular to the first direction F1
  • the rear heat exchange tube group 211 of each row includes a plurality of rear heat exchange tubes 2110 spaced apart along the first direction F1.
  • the back heat exchanger 22 includes a row of back heat exchange tube groups 221.
  • the tube group 221 includes a plurality of back heat exchange tubes 2210 spaced apart along the first direction F1, the number of rows of the back heat exchange tube group 211 is N1, the tube diameter of the back heat exchange tubes 2110 is D1, and the back heat exchange tubes The diameter of 2210 is D2, where N1 ⁇ 3, where 4.7mm ⁇ D1 ⁇ 6.35mm, and 6.35mm ⁇ D2 ⁇ 8mm.
  • the rear heat exchanger 21 may include multiple rows of rear heat exchange tube groups 211 arranged at intervals along the second direction F2, and each row of the rear heat exchange tube group 211 includes the rear heat exchange tube groups 211 arranged at intervals along the first direction F1.
  • a plurality of rear heat exchange tubes 2110 wherein the number of rows of the rear heat exchange tube group 211 is N1, the tube diameter of the rear heat exchange tubes 2110 is D1, and the first direction F1 is perpendicular to the second direction F2, and the
  • the heat exchanger 22 includes a plurality of back heat exchange tubes 2210 spaced apart along the first direction F1, wherein the tube diameter of the back heat exchange tubes 2210 is D2.
  • the number of rows N1 ⁇ 3 is set, for example, it can be 3, 4, 5, etc., and the setting is 4.7mm ⁇ D1 ⁇ 6.35 mm, for example, 4.75mm, 5.5mm, 6mm, 6.35mm, etc., set 6.35mm ⁇ D2 ⁇ 8mm, for example, 6.35mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, etc., for example, The following experimental verification.
  • the sixth group of experiments are to obtain the range of energy efficiency APF by adjusting the size of the above D1, and obtain the following chart data:
  • the seventh group of experiments are to obtain the range of energy efficiency APF by adjusting the size of the above D2, and obtain the following chart data:
  • the abscissa is the pipe diameter D1
  • the ordinate is the energy efficiency APF value.
  • the abscissa is the pipe diameter D2
  • the ordinate is the energy efficiency APF value.
  • the cost of the rear heat exchange tube 2110 can be relatively low.
  • the wall-mounted air conditioner indoor unit 100 can have a relatively high High energy efficiency.
  • the pressure in the back heat exchange tube 2210 can also be reduced, so that the safety of the heat exchange assembly 2 can be improved.
  • the number of back heat exchange tubes 2210 is N2, where N2 may be 4, 6 or 8. It should be noted that since most of the heat exchange tubes used in the heat exchange assembly 2 are U-shaped tubes, when the number N2 of the back heat exchange tubes 2210 is set to an even number of 4 or 6 or 8, the replacement can be optimized The design of the heat pipe 2110.
  • the water receiving assembly 5 may include a rear receiving tray 5a, the rear receiving tray 5a defines a rear receiving tank 51, and the rear receiving tray 5a and the rear air duct assembly 3 are separated
  • the rear water tray 5a and the rear air duct assembly 3 may not be integrally formed, so that the rear water tray 5a and the rear air duct assembly 3 can be processed separately, so that the water tray and the rear air duct assembly can be processed separately.
  • the structure of 3 is simpler, easy to produce, and can ensure that the length of Y1 above meets the requirements.
  • the present application is not limited to this, and the rear water tray 5a and the rear air duct assembly 3 can also be integrated and reshaped, thereby increasing structural stability.
  • the wall-mounted air conditioner indoor unit 100 further includes an electric control device 6 arranged in front of the heat exchange assembly 2, and the heat exchange assembly 2 further includes a front heat exchanger 23, a lower heat exchanger The heat exchanger 25 and the front and back heat exchanger 24.
  • the front heat exchanger 23 is arranged below the air outlet 12 and in front of the rear heat exchanger 21.
  • the front heat exchanger 23 is from top to bottom along the third direction F3 (as shown in the figure)
  • the direction shown by F3 in 1) extends forward obliquely, the upper end of the front heat exchanger 23 and the upper end of the rear heat exchanger 21 are connected, the lower end of the front heat exchanger 23 and the lower end of the rear heat exchanger 21 are far away, and the lower end
  • the heat exchanger 25 is located below the front heat exchanger 23 and in front of the tubular wind wheel 4.
  • the front heat exchanger 23 extends obliquely from top to bottom, and the upper end of the lower heat exchanger 25 and the lower end of the front heat exchanger 23 Connected, the front back heat exchanger 24 is arranged on the windward side of the front heat exchanger 23, the front back heat exchanger 24 is also inclined forward along the third direction F3 from top to bottom, and the front back heat exchanger 24 is on the third
  • the length in the direction F3 is L4, and the length of the front heat exchanger 23 in the third direction F3 is L2, where L4 ⁇ L2.
  • the wall-mounted air conditioner indoor unit 100 may also include an electric control device 6 provided in front of the heat exchange assembly 2, and the operation of each electric component in the wall-mounted air conditioner indoor unit 100 can be controlled through the electric control device 6; For example, control the cross flow wind wheel 4, control the wind deflector to switch the air outlet 12 and so on.
  • the heat exchange assembly 2 may also include a front heat exchanger 23, a lower heat exchanger 25, and a front-back heat exchanger 24, wherein the upper end of the front heat exchanger 23 is connected to the upper end of the rear heat exchanger 21, and the front heat exchanger The heat exchanger 23 extends obliquely forward along the third direction F3 from top to bottom.
  • the preset cross-section of the wall-mounted air conditioner indoor unit 100 looks like a “head-to-head figure eight”, and the front-back heat exchanger 24 is arranged on the windward side of the front heat exchanger 23 and is also third from top to bottom.
  • the direction F3 extends obliquely forward.
  • the lower heat exchanger 25 is arranged below the front heat exchanger 23 and in front of the tubular wind wheel 4.
  • the front heat exchanger 23 and the front back are respectively measured along the third direction F3.
  • the length of the heat exchanger 24 is respectively L2 and L4, and L4 ⁇ L2.
  • the air entering the housing 1 can pass through the rear heat exchanger 21, the back heat exchanger 22, the front heat exchanger 23, the front back heat exchanger 24 and the lower heat exchange
  • the device 25 performs heat exchange, which increases the contact area between the heat exchange assembly 2 and the air, so that the heat exchange effect can be better, thereby ensuring that the wall-mounted air conditioner indoor unit 100 can have higher energy efficiency.
  • the length of the housing 1 is A
  • the height of the housing 1 is B
  • the thickness of the housing 1 is C, where A ⁇ 800mm, B ⁇ 298mm, 375mm ⁇ C ⁇ 400 mm, thus, the external size of the wall-mounted air conditioner indoor unit 100 can be relatively smaller, thereby reducing the indoor space occupied by the wall-mounted air conditioner indoor unit 100.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with “first” and “second” may explicitly or implicitly include one or more of these features. In the description of this application, “multiple” means two or more than two, unless otherwise specifically defined.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , Or integrated; it can be a mechanical connection, it can be an electrical connection, it can also be communication; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction between two components .
  • installed can be a fixed connection or a detachable connection , Or integrated; it can be a mechanical connection, it can be an electrical connection, it can also be communication; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction between two components .
  • the “on” or “under” of the first feature on the second feature may be in direct contact with the first and second features, or indirectly through an intermediary. contact.
  • the "above”, “above” and “above” of the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or it simply means that the level of the first feature is higher than the second feature.
  • the “below”, “below” and “below” of the second feature of the first feature may mean that the first feature is directly below or obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.

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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

L'invention concerne une unité intérieure (100) d'un climatiseur à montage mural, l'unité intérieure comprenant une enveloppe (1), un ensemble d'échange de chaleur (2), un ensemble (3) de canaux d'air, une roue éolienne à écoulement transversal (4) et un ensemble de collecte d'eau (5). L'enveloppe (1) est munie d'une entrée d'air (11) et d'une sortie d'air (12) ; l'ensemble d'échange de chaleur (2) comprend un échangeur de chaleur arrière (21), et l'échangeur de chaleur arrière (21) s'étend obliquement vers l'arrière de haut en bas ; l'ensemble (3) de canaux d'air comprend un élément canal d'air avant (32) et un élément canal d'air arrière (31), et un canal de sortie d'air (33) est défini entre l'élément canal d'air arrière (31) et l'élément canal d'air avant (32) ; la roue éolienne à écoulement transversal (4) est agencée latéralement dans une entrée du canal de sortie d'air (33) ; la partie d'extrémité supérieure de l'élément canal d'air arrière (31) s'étend entre la roue éolienne à écoulement transversal (4) et l'échangeur de chaleur arrière (21) ; l'ensemble de collecte d'eau (5) définit une rainure arrière de raccord d'eau (51) ; et les inéquations 1,3 ≤ Y1/D ≤ 2,6, 1,1 ≤ Y1/Y2 ≤ 1,35, 0,06 ≤ L/M ≤ 0,17 et 0,48 ≤ H/L1 ≤ 0,8 sont satisfaites. L'unité intérieure du climatiseur à montage mural peut avoir un niveau plus élevé d'efficacité énergétique.
PCT/CN2019/113052 2019-07-30 2019-10-24 Unité intérieure de climatiseur à montage mural WO2021017207A1 (fr)

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