WO2022252680A1 - 壁挂式空调器 - Google Patents

壁挂式空调器 Download PDF

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Publication number
WO2022252680A1
WO2022252680A1 PCT/CN2022/076090 CN2022076090W WO2022252680A1 WO 2022252680 A1 WO2022252680 A1 WO 2022252680A1 CN 2022076090 W CN2022076090 W CN 2022076090W WO 2022252680 A1 WO2022252680 A1 WO 2022252680A1
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
wall
air conditioner
wind wheel
air inlet
Prior art date
Application number
PCT/CN2022/076090
Other languages
English (en)
French (fr)
Inventor
周柏松
吴多德
阳媛
李波
万永强
苏起钦
涂运冲
Original Assignee
广东美的暖通设备有限公司
合肥美的暖通设备有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东美的暖通设备有限公司, 合肥美的暖通设备有限公司 filed Critical 广东美的暖通设备有限公司
Priority to EP22814729.4A priority Critical patent/EP4317807A1/en
Priority to AU2022285467A priority patent/AU2022285467A1/en
Priority to BR112023024547A priority patent/BR112023024547A2/pt
Priority to CA3219513A priority patent/CA3219513A1/en
Priority to JP2023565542A priority patent/JP2024515136A/ja
Priority to KR1020237036044A priority patent/KR20230160337A/ko
Publication of WO2022252680A1 publication Critical patent/WO2022252680A1/zh
Priority to US18/386,118 priority patent/US20240060658A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by 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
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0025—Cross-flow or tangential fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/17—Details or features not otherwise provided for mounted in a wall

Definitions

  • the present disclosure relates to the technical field of air conditioners, in particular to a wall-mounted air conditioner.
  • the air inlet of the wall-mounted air conditioner is located at the top of the air conditioner.
  • the wall-mounted air conditioner In order to meet the demand for air intake from the top, the wall-mounted air conditioner must be separated from the indoor ceiling by a large distance, resulting in low indoor space utilization. , the interior space seems more cramped.
  • the structural layout of the wind wheel and the heat exchanger of the wall-mounted air conditioner in the related art is unreasonable, resulting in low heat exchange efficiency of the wall-mounted air conditioner.
  • the present disclosure aims to solve one of the technical problems in the related art at least to a certain extent.
  • the present disclosure proposes a wall-mounted air conditioner that can reduce or eliminate the distance between the wall-mounted air conditioner and the ceiling wall of the room and has high heat exchange efficiency.
  • the wall-mounted air conditioner of the present disclosure includes: a casing, the front of the casing is provided with a first air inlet; a wind wheel, the wind wheel is arranged in the casing; and a heat exchanger, the heat exchanger Located in the casing, at least part of the heat exchanger is located between the first air inlet and the wind wheel, any one of the upper end and the lower end of the heat exchanger and the wind wheel The distance between them is smaller than the distance between the middle part of the heat exchanger and the wind wheel.
  • the first air inlet is arranged in front of the casing so that the wall-mounted air conditioner can realize positive air intake, and the top surface of the casing can be installed close to the top wall of the room, which improves the utilization of indoor space Rate.
  • the air intake volume in the casing can be increased, and the air intake volume of the wall-mounted air conditioner can be increased. , so that the heat exchange efficiency of the wall-mounted air conditioner is higher.
  • the minimum distance between the heat exchanger and the wind wheel is greater than or equal to 15 mm.
  • an air duct is provided in the casing, the air duct includes a connected air inlet section and an air outlet section, a part of the wind wheel is located in the air inlet section, and the wind wheel The remaining part is located in the air outlet section, and at least part of the heat exchanger is located in the air inlet section.
  • the rotation axis of the wind wheel intersects with the vertical plane at a base point, and the upper end of the heat exchanger passes through the The distance between the vertical lines of the base points is greater than zero.
  • the rotation axis of the wind wheel intersects the vertical plane at a base point, and the projection of the inner surface of the heat exchanger
  • the first line between the midpoint of and the base point coincides substantially with the centerline of the air inlet section.
  • the heat exchanger is in an arc shape protruding toward the first air inlet.
  • the middle part of the heat exchanger is located higher than the rotation axis of the wind wheel.
  • the thickness of the heat exchanger gradually decreases from the middle of the heat exchanger toward the upper end of the heat exchanger, and the thickness of the heat exchanger decreases from the middle of the heat exchanger The direction toward the lower end of the heat exchanger gradually decreases.
  • the top surface of the casing is provided with a second air inlet.
  • a part of the heat exchanger is located between the first air inlet and the wind wheel, and another part of the heat exchanger is located between the second air inlet and the wind wheel .
  • FIG. 1 is a schematic diagram of a wall-mounted air conditioner according to an embodiment of the present disclosure.
  • FIG. 2 is a cross-sectional view of a wall-mounted air conditioner according to an embodiment of the present disclosure.
  • Fig. 3 is a schematic diagram of the installation of the wall-mounted air conditioner according to the embodiment of the present disclosure.
  • a wall-mounted air conditioner 1 according to an embodiment of the present disclosure will be described below with reference to the drawings.
  • a wall-mounted air conditioner 1 includes a casing 100 , a wind wheel 300 and a heat exchanger 200 .
  • the front of the casing 100 is provided with a first air inlet 101
  • the wind wheel 300 is arranged in the casing 100
  • the heat exchanger 200 is arranged in the casing 100
  • at least part of the heat exchanger 200 is located between the first air inlet 101 and the wind wheel.
  • the distance between any one of the upper and lower ends of the heat exchanger 200 and the wind wheel 300 is smaller than the distance between the middle of the heat exchanger 200 and the wind wheel 300 .
  • the front of the casing 100 is the surface of the casing 100 that can be seen by a horizontally backward line of sight, that is, the surface of the casing 100 that can be seen by a horizontally backward line of sight is the casing 100 front.
  • the surface of the casing 100 that the observer can see is the front of the casing 100 .
  • the wall-mounted air conditioner 1 can be installed on a wall. The direction away from the wall in the horizontal direction is the front, and the direction away from the wall in the horizontal direction is the rear. The front-back direction is shown by arrow A in FIG. 2 , and the up-down direction is shown by arrow B in FIG. 2 .
  • the distance between any one of the upper and lower ends of the heat exchanger 200 and the wind wheel 300 can be understood as the distance between any point on the upper part of the heat exchanger 200 and the wind wheel 300
  • the shortest distance between the outer peripheral surfaces and the shortest distance between any point on the upper part of the heat exchanger 200 and the outer peripheral surface of the wind wheel 300 can be understood as the shortest distance between any point on the middle of the heat exchanger 200 and the outer peripheral surface of the wind wheel 300 .
  • the wall-mounted air conditioner 1 of the embodiment of the present disclosure can be hung on the indoor wall when in use, since the air in the environment does not need to enter the interior of the wall-mounted air conditioner 1 from directly above the casing, which can greatly reduce the Reducing or eliminating the distance between the wall-mounted air conditioner 1 and the ceiling wall of the room can improve the utilization rate of indoor space, especially for rooms with low heights, which can effectively reduce or eliminate the cramped feeling of the indoor space. Therefore, the wall-mounted air conditioner 1 of the embodiment of the present disclosure has very low requirements on the installation space, as long as the installation space can accommodate the wall-mounted air conditioner 1, it is not necessary to reserve an air intake space above the wall-mounted air conditioner 1, which can The scope of application of the wall-mounted air conditioner 1 is expanded.
  • the part of the first air inlet 101 located on the front of the casing 100 is inclined upwards towards the wall (which can be understood as an installation surface) relative to the vertical surface. In this way, when the user stands on the indoor ground, the user cannot see the inside of the casing 100 (wall-mounted air conditioner 1) through the first air inlet 101, and the internal structure of the casing 100 (wall-mounted air conditioner 1) is not exposed. To the user, this can improve the visual comfort of the user.
  • the top space is often limited and relatively narrow, so the air intake will be limited due to the narrow top space.
  • setting the first air inlet 101 on the front of the casing 100 can make the air entering the casing 100 through the first air inlet 101 directly flow through the heat exchanger 200 so as to be compatible with the heat exchanger 200
  • the heat exchange is fully performed, that is to say, the air intake of the wall-mounted air conditioner 1 is not restricted by the narrow space at the top, and the air intake from the front of the casing 100 can effectively increase the air intake and significantly improve the flow rate.
  • the flow rate of the air passing through the heat exchanger 200 greatly improves the heat exchange efficiency of the heat exchanger 200 .
  • the first air inlet 101 is located on the front of the casing 100, it is not necessary to arrange a substantially inverted V-shaped heat exchanger 200 under the first air inlet 101, and it is not necessary to install a substantially inverted V-shaped heat exchanger 200 below the first air inlet 101.
  • a water receiving tray with a width greater than or equal to the width of the substantially inverted V-shaped heat exchanger 200 is provided at the lower end of the heat exchanger 200, so as to avoid that a part of the heat exchanger 200 basically does not exchange heat with the air due to the blocking of the water receiving tray. .
  • the first air inlet 101 is located on the front of the casing 100, so that the water receiving tray 600 can not prevent the airflow from flowing to the heat exchanger 200, for example, the water receiving tray 600 can not pass through the flow path of the airflow to the heat exchanger 200, which can greatly improve The heat exchange efficiency of the heat exchanger 200.
  • the water receiving tray 600 is disposed below the heat exchanger 200 .
  • the wall-mounted air conditioner 1 of the present disclosure is compared with the traditional heat exchanger In terms of the structure in which the distance between the inner surface of 200 and the wind wheel 300 is approximately equal, the air intake volume in the casing 100 can be increased, the air intake volume of the wall-mounted air conditioner 1 can be increased, and the heat exchange efficiency of the wall-mounted air conditioner 1 can be improved. higher.
  • the minimum distance between the heat exchanger 200 and the wind wheel 300 is L1, wherein the minimum distance L1 is greater than or equal to 15 mm.
  • the minimum distance L1 between the heat exchanger 200 and the wind wheel 300 is greater than or equal to 20 mm and less than or equal to 50 mm. Further optionally, the minimum distance L1 between the heat exchanger 200 and the wind wheel 300 is greater than or equal to 30 mm and less than or equal to 40 mm. Further optionally, the minimum distance L1 between the heat exchanger 200 and the wind wheel 300 is greater than or equal to 36 mm and less than or equal to 39 mm, which can increase the air intake volume in the casing 100 while reducing the The internal size makes the wall-mounted air conditioner 1 not only ensure higher heat exchange efficiency, but also reduce the volume of the wall-mounted air conditioner 1 .
  • the minimum distance L1 between the heat exchanger 200 and the wind wheel 300 may be, for example but not limited to, 15mm, 20mm, 25mm, 30mm, 35mm, 36mm, 37mm, 38mm, 39mm , 40mm, 45mm or 50mm.
  • the wall-mounted air conditioner 1 further includes an air duct 102 and a wind wheel 300 , the air duct 102 is located in the casing 100 , and the air duct 102 includes a connected air inlet section 1021 and an air outlet section 1022 , the air inlet section 1021 defines an air inlet channel, and the air outlet section 1022 defines an air outlet channel.
  • a part of the wind wheel 300 is located in the air inlet channel, and the rest of the wind wheel 300 is located in the air outlet channel.
  • the wind wheel 300 is used to generate exhaust force, so that the air enters the air inlet channel from the first air inlet 101 and then enters the air outlet channel through the wind wheel 300, and finally is discharged from the air outlet of the air outlet channel.
  • the heat exchanger 200 is located in the air inlet passage and arranged at the first air inlet 101 , and the heat exchanger 200 is opposite to the first air inlet 101 so as to exchange heat for the air entering the air inlet passage at the first air inlet 101 .
  • the wall-mounted air conditioner 1 of the embodiment of the present disclosure is equipped with a wind wheel 300 in the air duct 102, which can increase the flow and velocity of the air flowing through the heat exchanger 200, so as to further improve the heat exchange efficiency of the heat exchanger 200, and due to the wind
  • the wheel 300 is arranged at the junction of the air inlet duct and the air outlet duct, thereby making the structure of the wall-mounted air conditioner 1 more reasonable.
  • the rotation axis of the wind wheel 300 intersects the vertical plane at the base point O, and the upper end of the heat exchanger 200 passes through the base point O.
  • the distance between the vertical lines of is L2, where L2 is greater than zero.
  • the length direction of the air duct 102 is shown by arrow C in FIG. 3 .
  • the length direction of the air duct 102 may be consistent with the length direction of the wall-mounted air conditioner 1 , that is, the length direction of the wall-mounted air conditioner 1 is along the direction of arrow C in FIG. 3 .
  • the inventors of the present application have found through experimental research that when L2 is greater than zero, the probability of condensed water flowing into and out of the air section 1022 generated when the heat exchanger 200 is working can be reduced, and the heat exchange efficiency of the heat exchanger 200 can be reduced while ensuring the heat exchange efficiency of the heat exchanger 200.
  • the size of the small heat exchanger 200 optimizes the layout of the interior space of the wall-mounted air conditioner 1 .
  • L2 is greater than or equal to 3 mm and less than or equal to 8 mm. In this way, the probability of condensed water generated when the heat exchanger 200 is working can be further reduced, and the heat exchange effect of the heat exchanger 200 is better.
  • L2 may be, for example but not limited to, 3 mm, 3.5 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 6.5 mm, 7 mm, 7.5 mm or 8 mm.
  • the rotation axis of the wind wheel 300 intersects the vertical plane at The base point O
  • the first connecting line between the midpoint H of the projection of the inner surface of the heat exchanger 200 and the base point O is L3, wherein the first connecting line L3 coincides with the center line of the air inlet section 1021 roughly.
  • the heat exchanger 200 is located opposite to the first air inlet 101 and the wind wheel 300, which can make the heat exchange of the heat exchanger 200 The effect is better, and the heat exchange efficiency of the wall-mounted air conditioner 1 is further enhanced.
  • the heat exchanger 200 is opposite to the first air inlet 101 , and the heat exchanger 200 is curved or bent toward the first air inlet 101 .
  • the heat exchanger 200 It is an arc protruding toward the first air inlet 101 .
  • the airflow entering the casing 100 can directly contact the heat exchanger 200 and exchange heat, shortening the length of the wall-mounted air conditioner.
  • the air inlet path of the air conditioner 1, and because the heat exchanger 200 has a curved or bent structure the heat exchange area of the heat exchanger 200 can be increased, and the heat exchange efficiency of the wall-mounted air conditioner 1 can be improved.
  • the middle of the heat exchanger 200 is higher than the rotation axis of the wind wheel 300 .
  • the heat exchanger 200 is arranged between the first air inlet 101 and the wind wheel 300, and the first air inlet 101 opens toward the front and/or the front upper and/or the front lower of the casing 100, so that the wall-mounted The air conditioner 1 can achieve positive air intake, and the protruding direction of the heat exchanger 200 is toward the first air inlet 101, so the heat exchanger 200 can fully exchange heat for the airflow entering the first air inlet 101 to further The heat exchange efficiency of the wall-mounted air conditioner 11 is greatly improved.
  • the thickness of the heat exchanger 200 gradually decreases from the middle of the heat exchanger 200 toward the upper end of the heat exchanger 200 (from bottom to top in FIG. 2 ), The thickness of the heat exchanger 200 gradually decreases along the direction from the middle of the heat exchanger 200 to the lower end of the heat exchanger 200 (as shown in the direction from top to bottom in FIG. 1 ). It can be understood that the thickness of the middle part of the heat exchanger 200 is greater than the thickness of both ends of the heat exchanger 200 .
  • the wall-mounted air conditioner 1 When the wall-mounted air conditioner 1 is working, since the heat exchanger 200 has a protruding structure toward the first air inlet 101, the airflow entering the first air inlet 101 first contacts the middle of the heat exchanger 200, and the implementation of the present disclosure
  • the thickness of the middle part of the heat exchanger 200 of the wall-mounted air conditioner 1 of the example is relatively large, which can exchange heat for most of the airflow entering the first air inlet 101, and because the edge of the first air inlet 101 is compared with the first air inlet
  • the air intake in the middle of the tuyere 101 is small, which can reduce the thickness of the upper end of the heat exchanger 200 and the lower end of the heat exchanger 200 without affecting the heat exchange efficiency of the heat exchanger 200 .
  • the wall-mounted air conditioner 1 of the embodiment of the present disclosure can reduce the size of the heat exchanger 200 while ensuring the heat exchange efficiency of the heat exchanger 200 , and reduce the production cost of the wall-mounted air conditioner 1 .
  • the casing 100 has a second air inlet (not shown), and the second air inlet is located on the top surface of the casing 100 , such as the upper surface of the casing 100 in FIG. 2 . It can be understood that, the upper end of the casing 100 is provided with a second air inlet so that the wall-mounted air conditioner 1 can take in air from the top, so as to increase the air intake.
  • a part of the heat exchanger 200 is located between the first air inlet 101 and the wind wheel 300, and another part of the heat exchanger 200 is located between the second air inlet and the wind wheel 300.
  • the second air inlets are all opposite to the heat exchanger 200 to improve the heat exchange efficiency of the heat exchanger 200, that is, the airflows entering the air inlet channel from the first air inlet 101 and the second air inlet all pass through the heat exchanger 200 for exchange.
  • the application range of the wall-mounted air conditioner 1 can be expanded to meet the use requirements of the wall-mounted air conditioner 1 in different occasions.
  • the wall-mounted air conditioner 1 further includes an air inlet grille 400.
  • the air inlet grille 400 includes a frame 401 and a plurality of blades 402.
  • the frame 401 is arranged at the first air inlet.
  • a plurality of vanes 402 are arranged along the circumference of the casing 100 , and each vane 402 is rotatably disposed on the frame 401 between an open position and a closed position. Therefore, when the wall-mounted air conditioner 1 stops working, the blade 402 can be rotated to the closed position to block the first air inlet 101, reducing dust and impurities from entering the casing 100, and lowering the interior of the wall-mounted air conditioner 1.
  • the frequency of cleaning is high in practicability.
  • the cross section of the air intake grill 400 is an arc surface, and the arc surface protrudes outward.
  • the intake grille 400 in the closed position is an arc-shaped structure protruding forward, thereby increasing the surface area of the intake grille 400 so that more air can enter the machine through the intake grille 400.
  • the air intake volume of the first air inlet 101 is further increased.
  • the wall-mounted air conditioner 1 further includes a filter screen 500, and the filter screen 500 is arranged between the air intake grill 400 and the heat exchanger 200.
  • the wall-mounted air conditioner of the embodiment of the present disclosure 1 Setting the filter 500 can filter the air entering the first air inlet 101, which can reduce the probability of dust and impurities entering the casing 100, and reduce the later use and maintenance costs of the wall-mounted air conditioner 1.
  • the filter screen 500 is detachably connected with the casing 100 so as to facilitate daily cleaning of the filter screen 500 .
  • the cross-section of the filter screen 500 is also an arc surface, and the filter screen 500 is consistent with the protruding direction of the heat exchanger 200 and the intake grill 400, which can make the structure of the wall-mounted air conditioner 1 compact and clean. higher.
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features.
  • the features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • a first feature being “on” or “under” a second feature may mean that the first and second features are in direct contact, or that the first and second features are indirect through an intermediary. touch.
  • “above”, “above” and “above” the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • “Below”, “beneath” and “beneath” the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.
  • the terms “one embodiment,” “some embodiments,” “example,” “specific examples,” or “some examples” mean a specific feature, structure, material, or feature described in connection with the embodiment or example. Features are included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

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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)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

提供一种壁挂式空调器（1），壁挂式空调器（1）包括：机壳（100）、风轮（300）和换热器（200），机壳（100）的正面设有第一进风口（101），风轮（300）设于机壳（100）内，换热器（200）设于机壳（100）内，换热器（200）的至少部分位于第一进风口（101）与风轮（300）之间，换热器（200）的上端和下端中的任一端与风轮（300）之间的距离小于换热器（200）的中部与风轮（300）之间的距离。

Description

壁挂式空调器
相关申请的交叉引用
本申请基于申请号为202121216342.9、申请日为2021年06月01日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本公开涉及空调技术领域，具体地涉及一种壁挂式空调器。
背景技术
相关技术中，壁挂式空调器的进风口设在其顶部，为了满足顶部进风的需求，壁挂式空调器必须与室内的顶壁间隔开较大的距离，从而导致室内的空间利用率较低，室内空间显得比局促。另外，相关技术中壁挂式空调器的风轮和换热器的结构布局不合理，致使壁挂式空调器的换热效率较低。
发明内容
本公开旨在至少在一定程度上解决相关技术中的技术问题之一。
为此，本公开提出一种可以减小或消除壁挂式空调器与室内的顶壁之间的距离且换热效率较高的壁挂式空调器。
本公开的壁挂式空调器包括：机壳，所述机壳的正面设有第一进风口；风轮，所述风轮设于所述机壳内；和换热器，所述换热器设于所述机壳内，所述换热器的至少部分位于所述第一进风口与所述风轮之间，所述换热器的上端和下端中的任一端与所述风轮之间的距离小于所述换热器的中部与所述风轮之间的距离。
本公开的壁挂式空调器将第一进风口设置在机壳的前面可以使得壁挂式空调器能够实现正向进风，机壳的顶面可以贴近室内的顶壁安装，提高了室内的空间利用率。另外，由于换热器的端部与风轮之间的距离小于换热器的中部与风轮之间的距离，因此可以增大机壳内的进风容积，提高壁挂式空调器的进风量，使得壁挂式空调器换热效率较高。
在一些实施方式中，所述换热器与所述风轮之间的最小距离大于等于15毫米。
在一些实施方式中，所述机壳内设有风道，所述风道包括相连的进风段和出风段，所述风轮的一部分位于所述进风段内，所述风轮的其余部分位于所述出风段内，所述换热器的至少部分位于所述进风段内。
在一些实施方式中，在正交于所述风道的长度方向的竖直面内，所述风轮的旋转轴线与所述竖直面交于基点，所述换热器的上端与经过所述基点的竖直线之间的距离大于零。
在一些实施方式中，在正交于所述风道的长度方向的竖直面内，所述风轮的旋转轴 线与所述竖直面交于基点，所述换热器的内侧面的投影的中点与所述基点之间的第一连线与所述进风段的中心线大体重合。
在一些实施方式中，所述换热器呈朝向所述第一进风口凸出的弧形。
在一些实施方式中，所述换热器的中部的位置高于所述风轮的旋转轴线。
在一些实施方式中，所述换热器的厚度沿从所述换热器的中部朝向所述换热器的上端逐渐减小，所述换热器的厚度沿从所述换热器的中部朝向所述换热器的下端的方向逐渐减小。
在一些实施方式中，所述机壳的顶面设有第二进风口。
在一些实施方式中，所述换热器的一部分位于所述第一进风口和所述风轮之间，所述换热器的另一部分位于所述第二进风口和所述风轮之间。
附图说明
图1是本公开实施例的壁挂式空调器的示意图。
图2是本公开实施例的壁挂式空调器的截面图。
图3是本公开实施例的壁挂式空调器的安装示意图。
具体实施方式
下面详细描述本公开的实施例，所述实施例的示例在附图中示出。下面通过参考附图描述的实施例是示例性的，旨在用于解释本公开，而不能理解为对本公开的限制。
下面参考附图描述本公开实施例的壁挂式空调器1。
如图1至图3所示，本公开实施例的壁挂式空调器1包括机壳100、风轮300和换热器200。机壳100的正面设有第一进风口101，风轮300设于机壳100内，换热器200设于机壳100内，换热器200的至少部分位于第一进风口101与风轮300之间，换热器200的上端和下端中的任一端与风轮300之间的距离小于换热器200的中部与风轮300之间的距离。
如图2所示，机壳100的正面为机壳100的能够被水平向后的视线所看到的表面，即能够被水平向后的视线所看到的机壳100的表面为机壳100的正面。例如，当观察者的眼睛和机壳100大体位于同一水平高度、且观察者位于机壳100的前方时，观察者能够看到的机壳100的表面为机壳100的正面。例如，壁挂式空调器1可以安装在墙面上。沿水平方向远离墙面的方向为正前，沿水平方向远离墙面的方向为正后。前后方向如图2中的箭头A所示，上下方向如图2中的箭头B所示。
需要说明的是，如图2所示，换热器200的上端和下端中的任一端与风轮300之间的距离，可以理解为，换热器200的上部的任意一点与风轮300的外周面之间的最短距离和换热器200的上部的任意一点与风轮300的外周面之间的最短距离。换热器200的中部与风轮300之间的距离，可以理解为，换热器200的中部上的任意一点与风轮300的外周面之间的最短距离。
本公开的实施例的壁挂式空调器1使用时可以挂设在室内的墙壁上，由于环境中的空气可以不必从机壳的正上方进入到壁挂式空调器1内部，由此可以极大地减小或消除壁挂式空调器1与室内的顶壁之间的距离，可以提高室内的空间利用率，尤其是对于高度较低的室内，可以有效地减小或消除室内空间的局促感。因此本公开实施例的壁挂式空调器1对安装空间的要求非常低，安装空间只要能够容纳下壁挂式空调器1即可，可以不必在壁挂式空调器1的上方留出进风空间，能够扩大壁挂式空调器1的适用范围。
在一些可选的实施方式中，第一进风口101位于机壳100正面的部分，相对于竖直面，朝墙面(可理解为安装面)斜向上倾斜。这样，当用户站立在室内的地面上时，用户无法通过第一进风口101看到机壳100(壁挂式空调器1)的内部，机壳100(壁挂式空调器1)的内部结构未暴露给用户，这样可以提高用户的视觉舒适度。
而且，在顶部进风的场景下，顶部空间往往是有限的，比较狭窄的，这样进风量会因为顶部空间狭窄而受限。本申请的技术方案中，将第一进风口101设置在机壳100的正面可以使经由第一进风口101进入到机壳100内的空气直接流过换热器200，以便与换热器200充分地进行换热，也就是说，壁挂式空调器1的进风量可以不受顶部狭窄空间的限制，从机壳100的正面进风，可以有效地增大进风量，也能够显著地提高流过换热器200的空气的流量，极大地提高换热器200的换热效率。
本申请中，第一进风口101位于机壳100的正面，则可以不必在第一进风口101的下方设置成大体倒V形的换热器200，也就不必在成大体倒V形的换热器200的下端部处设置宽度大于或等于大体倒V形的换热器200的宽度的接水盘，以便避免因接水盘遮挡而造成换热器200的一部分基本不与空气进行换热。第一进风口101位于机壳100的正面，使得接水盘600可以不阻止气流流向换热器200，例如接水盘600可以不经过气流流向换热器200的流路，这样可以极大地提高换热器200的换热效率。可选地，接水盘600设置在换热器200的下方。
另外，由于换热器200的中部与风轮300之间的距离大于换热器200的上部与风轮300之间的距离，因此本公开的壁挂式空调器1相较于传统的换热器200的内侧面与风轮300之间的距离大致相等的结构而言，可以增大机壳100内的进风容积，提高壁挂式空调器1的进风量，使得壁挂式空调器1换热效率较高。
优选地，如图2所示，换热器200与风轮300之间的最小距离为L1，其中最小距离L1大于等于15毫米。发明人通过实验研究发现，当换热器200与风轮300之间的最小距离L1大于等于15毫米时，本公开的实施例的壁挂式空调器1可以在增大机壳100内的进风容积的同时减少壁挂式空调器1的内部尺寸，使得壁挂式空调器1既能保证较高的换热效率，又可以减小壁挂式空调器1的体积。
可选地，换热器200与风轮300之间的最小距离L1大于等于20毫米且小于等于50毫米。进一步可选地，换热器200与风轮300之间的最小距离L1大于等于30毫米且小于等于40毫米。进一步可选地，换热器200与风轮300之间的最小距离L1大于等于36毫米且小于等于39毫米，可以在增大机壳100内的进风容积的同时减少壁挂式空 调器1的内部尺寸，使得壁挂式空调器1既能保证较高的换热效率，又可以减小壁挂式空调器1的体积。
可选地，换热器200与风轮300之间的最小距离L1例如可以是但是不限于15毫米、20毫米、25毫米、30毫米、35毫米、36毫米、37毫米、38毫米、39毫米、40毫米、45毫米或50毫米。
在一些实施例中，如图2所示，壁挂式空调器1还包括风道102和风轮300，风道102位于机壳100内，风道102包括相连的进风段1021和出风段1022，进风段1021限定出了进风通道，出风段1022限定出了出风通道。风轮300的一部分位于进风通道内，风轮300的其余部分位于出风通道内。
风轮300用于产生排风力，使空气从第一进风口101进入进风通道后经过风轮300进入出风通道，最后从出风通道的出风口处排出。换热器200位于进风通道内且设在第一进风口101处，换热器200与第一进风口101相对，以便对第一进风口101处进入进风通道中的空气进行换热。本公开实施例的壁挂式空调器1在风道102内设置风轮300，可以提高流过换热器200的空气的流量和流速，以便进一步提高换热器200的换热效率，并且由于风轮300设在进风风道和出风风道的交界处，由此可以使壁挂式空调器1的结构更加合理。
进一步地，如图2所示，在正交于风道102的长度方向的竖直面内，风轮300的旋转轴线与竖直面交于基点O，换热器200的上端与经过基点O的竖直线之间的距离为L2,其中L2大于零。需要说明的是，风道102的长度方向如图3中的箭头C所示。其中，风道102的长度方向可以与壁挂式空调器1的长度方向一致，即壁挂式空调器1的长度方向沿图3中的箭头C的方向。
本申请的发明人通过实验研究发现，在L2大于零时，可以减少换热器200工作时产生的冷凝水流进出风段1022的概率，并且可以在保证换热器200的换热效率的同时减小换热器200的尺寸，优化的壁挂式空调器1的内部空间的布局。优选地，L2大于等于3毫米且小于等于8毫米。由此可以进一步地减少换热器200工作时产生的冷凝水流进出风段1022的概率，且换热器200的换热效果较佳。
可选地，L2例如可以是但是不限于3毫米、3.5毫米、4毫米、4.5毫米、5毫米、5.5毫米、6毫米、6.5毫米、7毫米、7.5毫米或8毫米。
进一步地，如图2所示，在正交于风道102的长度方向(例如图3中的箭头C所示的方向)的竖直面内，风轮300的旋转轴线与竖直面交于基点O，换热器200的内侧面的投影的中点H与基点O之间的第一连线为L3，其中，第一连线L3与进风段1021的中心线大体重合。可以理解的是，由于第一连线L3与进风段1021的中心线大体重合,因此换热器200与第一进风口101和风轮300均正对设置，可以使得换热器200的换热效果更佳，进一步地增强了壁挂式空调器1的换热效率。
可选地，如图2所示，换热器200与第一进风口101相对，换热器200呈朝向第一进风口101凸出的弯曲形或弯折型，优选地，换热器200呈朝向第一进风口101凸出的 弧形。本公开的实施例的壁挂式空调器1由于换热器200与第一进风口101相对，可以使得进入至机壳100内的气流直接与换热器200进行接触并换热，缩短了壁挂式空调器1的进风路径，而由于换热器200为弯曲形或弯折型结构，可以增大换热器200的换热面积，提高了壁挂式空调器1的换热效率。
在一些实施例中，如图2所示，换热器200的中部的位置高于风轮300的旋转轴线。可以理解的是，换热器200设于第一进风口101和风轮300之间，第一进风口101朝向机壳100的正前方和/或前上方和/或前下方开口，以使壁挂式空调器1可以实现正向进风，而换热器200的凸出方向朝向第一进风口101，因此换热器200可以对进入至第一进风口101的气流进行充分地换热，以进一步地提高壁挂式空调器11的换热效率。
在一些实施例中，如图2所示，换热器200的厚度沿从换热器200的中部朝向换热器200的上端的方向(如图2中由下至上的方向)逐渐减小，换热器200的厚度沿从换热器200的中部朝向换热器200的下端的方向(如图1中由上至下的方向)逐渐减小。可以理解的是，换热器200的中部的厚度大于换热器200的两端的厚度。
在壁挂式空调器1进行工作时，由于换热器200为朝向第一进风口101凸出的结构，进入至第一进风口101的气流首先与换热器200的中部接触，而本公开实施例的壁挂式空调器1的换热器200中部的厚度较大，可以对进入至第一进风口101的大部分气流进行换热，并且由于第一进风口101的边缘相较于第一进风口101的中部的进风量较小，可以减小换热器200的上端和换热器200的下端的厚度，且不影响换热器200的换热效率。本公开实施例的壁挂式空调器1可以在保证换热器200的换热效率的同时减小换热器200的尺寸，降低壁挂式空调器1的生产成本。
在一些实施例中，机壳100具有第二进风口(未示出)，第二进风口位于机壳100的顶面，如图2中机壳100的上端面。可以理解的是，机壳100的上端设有第二进风口以使壁挂式空调器1可以顶部进风，以增大进风量。
具体地，换热器200的一部分位于第一进风口101和风轮300之间，换热器200的另一部分位于第二进风口和风轮300之间，可以理解的是，第一进风口101和第二进风口均与换热器200相对以提高换热器200的换热效率，即，由第一进风口101和第二进风口进入至进风通道的气流均经过换热器200进行换热之后在通过风轮300的旋转作用导入至出风通道内，可以扩大壁挂式空调器1的适用范围，以满足壁挂式空调器1不同场合的使用需求。
在一些实施例中，如图1至图3所示，壁挂式空调器1还包括进风格栅400，进风格栅400包括边框401和多个叶片402，边框401设于第一进风口101处，多个叶片402沿机壳100的周向排布，每个叶片402在打开位置和关闭位置之间可转动地设于边框401上。因此，在壁挂式空调器1停止工作时，可以将叶片402转动至关闭位置以对第一进风口101进行遮挡，减少灰尘和杂质进入至机壳100内，降低了壁挂式空调器1的内部清洁的频率，实用性较高。
可选地，如图1和图2所示，当进风格栅400在关闭位置时，进风格栅400的横截 面为弧形面，弧形面向外凸出。可以理解的是，关闭位置的进风格栅400为向前凸出的弧状结构，由此可以增加进风格栅400的表面积，以便能够使更多的空气通过进风格栅400进入到机壳100内，进一步增加第一进风口101的进风量。
进一步地，如图1和图2所示，壁挂式空调器1还包括过滤网500，过滤网500设于进风格栅400和换热器200之间，本公开实施例的壁挂式空调器1设置过滤网500可以将进入至第一进风口101的空气进行过滤，可以减少灰尘和杂质进入至机壳100内部的概率，降低了壁挂式空调器1后期的使用和维护成本。
优选地，过滤网500与机壳100拆卸地连接，以便于过滤网500的日常清洁。具体地，过滤网500的横截面也为弧形面，且过滤网500与换热器200和进风格栅400的凸出方向一致，可以使得壁挂式空调器1的结构紧凑，且洁净度较高。
在本公开的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本公开的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本公开中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接或彼此可通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本公开中的具体含义。
在本公开中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
在本公开中，术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本公开的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任 一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本公开的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本公开的限制，本领域的普通技术人员在本公开的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (10)

  1. 一种壁挂式空调器，其特征在于，包括：
    机壳，所述机壳的正面设有第一进风口；
    风轮，所述风轮设于所述机壳内；和
    换热器，所述换热器设于所述机壳内，所述换热器的至少部分位于所述第一进风口与所述风轮之间，所述换热器的上端和下端中的任一端与所述风轮之间的距离小于所述换热器的中部与所述风轮之间的距离。
  2. 根据权利要求1所述的壁挂式空调器，其特征在于，所述换热器与所述风轮之间的最小距离大于等于15毫米。
  3. 根据权利要求1所述的壁挂式空调器，其特征在于，所述机壳内设有风道，所述风道包括相连的进风段和出风段，所述风轮的一部分位于所述进风段内，所述风轮的其余部分位于所述出风段内，所述换热器的至少部分位于所述进风段内。
  4. 根据权利要求3所述的壁挂式空调器，其特征在于，在正交于所述风道的长度方向的竖直面内，所述风轮的旋转轴线与所述竖直面交于基点，所述换热器的上端与经过所述基点的竖直线之间的距离大于零。
  5. 根据权利要求3所述的壁挂式空调器，其特征在于，在正交于所述风道的长度方向的竖直面内，所述风轮的旋转轴线与所述竖直面交于基点，所述换热器的内侧面的投影的中点与所述基点之间的第一连线与所述进风段的中心线大体重合。
  6. 根据权利要求1所述的壁挂式空调器，其特征在于，所述换热器呈朝向所述第一进风口凸出的弧形。
  7. 根据权利要求1所述的壁挂式空调器，其特征在于，所述换热器的中部的位置高于所述风轮的旋转轴线。
  8. 根据权利要求1所述的壁挂式空调器，其特征在于，所述换热器的厚度沿从所述换热器的中部朝向所述换热器的上端逐渐减小，所述换热器的厚度沿从所述换热器的中部朝向所述换热器的下端的方向逐渐减小。
  9. 根据权利要求1所述的壁挂式空调器，其特征在于，所述机壳的顶面设有第二进风口。
  10. 根据权利要求9所述的壁挂式空调器，其特征在于，所述换热器的一部分位于所述第一进风口和所述风轮之间，所述换热器的另一部分位于所述第二进风口和所述风轮之间。
PCT/CN2022/076090 2021-06-01 2022-02-11 壁挂式空调器 WO2022252680A1 (zh)

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JP2023565542A JP2024515136A (ja) 2021-06-01 2022-02-11 壁掛形空気調和機
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JP2000065384A (ja) * 1998-08-25 2000-03-03 Fujitsu General Ltd 空気調和機
CN201935299U (zh) * 2010-12-31 2011-08-17 美的集团武汉制冷设备有限公司 一种分体壁挂式空调器室内机
CN208296050U (zh) * 2018-04-13 2018-12-28 广东美的制冷设备有限公司 壁挂式空调室内机及空调器
CN209558637U (zh) * 2019-01-30 2019-10-29 广东美的制冷设备有限公司 壁挂式空调器及空调系统
CN209926453U (zh) * 2019-01-30 2020-01-10 广东美的制冷设备有限公司 壁挂式空调器及空调系统
CN215372682U (zh) * 2021-06-01 2021-12-31 广东美的暖通设备有限公司 壁挂式空调器
CN215372681U (zh) * 2021-06-01 2021-12-31 广东美的暖通设备有限公司 壁挂式空调器
CN215909387U (zh) * 2021-06-01 2022-02-25 广东美的暖通设备有限公司 壳体组件和壁挂式空调器

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000065384A (ja) * 1998-08-25 2000-03-03 Fujitsu General Ltd 空気調和機
CN201935299U (zh) * 2010-12-31 2011-08-17 美的集团武汉制冷设备有限公司 一种分体壁挂式空调器室内机
CN208296050U (zh) * 2018-04-13 2018-12-28 广东美的制冷设备有限公司 壁挂式空调室内机及空调器
CN209558637U (zh) * 2019-01-30 2019-10-29 广东美的制冷设备有限公司 壁挂式空调器及空调系统
CN209926453U (zh) * 2019-01-30 2020-01-10 广东美的制冷设备有限公司 壁挂式空调器及空调系统
CN215372682U (zh) * 2021-06-01 2021-12-31 广东美的暖通设备有限公司 壁挂式空调器
CN215372681U (zh) * 2021-06-01 2021-12-31 广东美的暖通设备有限公司 壁挂式空调器
CN215909387U (zh) * 2021-06-01 2022-02-25 广东美的暖通设备有限公司 壳体组件和壁挂式空调器

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