WO2020098357A1 - 一种空调室外机 - Google Patents

一种空调室外机 Download PDF

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Publication number
WO2020098357A1
WO2020098357A1 PCT/CN2019/105309 CN2019105309W WO2020098357A1 WO 2020098357 A1 WO2020098357 A1 WO 2020098357A1 CN 2019105309 W CN2019105309 W CN 2019105309W WO 2020098357 A1 WO2020098357 A1 WO 2020098357A1
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WO
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Prior art keywords
water receiving
receiving tray
heat exchanger
height
electric heating
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PCT/CN2019/105309
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English (en)
French (fr)
Inventor
魏长见
邓志鑫
彭艳
Original Assignee
青岛海尔空调电子有限公司
海尔智家股份有限公司
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Publication of WO2020098357A1 publication Critical patent/WO2020098357A1/zh

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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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/36—Drip trays for outdoor units

Definitions

  • the invention relates to the technical field of refrigeration, and in particular to an outdoor unit of an air conditioner.
  • the outdoor unit of the air conditioner in the prior art includes a water receiving tray.
  • the bottom of the water receiving tray is provided with a drain hole.
  • the water receiving tray discharges water through the drain hole.
  • the bottom of the water receiving tray is a flat surface with a uniform height. At this time, the system components installed at the bottom of the water receiving tray will be immersed in water, reducing the service life.
  • Embodiments of the present invention provide a water receiving tray and an air-conditioning outdoor unit having the same, to solve the problem in the prior art that when water cannot be discharged in time, system components installed at the bottom of the water receiving tray will be blistered .
  • a brief summary is given below. This summary section is not a general comment, nor is it to determine key / important elements or to describe the scope of protection of these embodiments. Its sole purpose is to present some concepts in a simple form as a preface to the detailed description that follows.
  • a water receiving tray is provided, and a second surface is further provided in the water receiving tray, and the height of the second surface is lower than the height of the first surface.
  • the height of the second face is 5-15 mm lower than the height of the first face.
  • the height of the second face is 10 mm lower than the height of the first face.
  • an electric heating tube is further included, and the electric heating tube is fixedly disposed on the bottom of the second surface.
  • it further includes a fixing clip
  • the fixing clip is used to fix the electric heating tube on the second surface of the water receiving tray.
  • the fixing clip includes a limit portion
  • the limit part is adapted to the shape of the electric heating tube, and the limit part is buckled on the outside of the electric heating tube.
  • the fixing clip is m-shaped, and a fixing hole is provided at the middle position, and the fixing clip is fixed on the second surface from the fixing hole by screws.
  • the water receiving tray is further provided with a third surface; the third surface is convexly disposed on part of the first surface.
  • the height difference between the third face and the first face is 5-15 mm.
  • an outdoor unit of an air conditioner including the above water receiving tray.
  • the second surface is provided in the water receiving tray, and the height of the second surface is lower than the height of the first surface, then the system components are installed higher than the second surface, and the water is discharged through the second surface , To avoid the situation that the system components are faced with water immersion when the water cannot be discharged in time, and extend the service life of the system components.
  • Fig. 1 is a schematic diagram showing a wind direction between a water receiving tray and a heat exchanger according to an exemplary embodiment
  • Fig. 2 is a partial enlarged view showing a water receiving tray and a heat exchanger according to an exemplary embodiment
  • Fig. 3 is a distribution diagram of a supporting boss according to an exemplary embodiment
  • Fig. 4 is a structural diagram of a cross section of a fin according to an exemplary embodiment
  • Fig. 5 is a structural diagram showing a cross section of a fin according to another exemplary embodiment
  • Fig. 6 is a structural diagram of a cross section of a fin according to yet another exemplary embodiment
  • Fig. 7 is a distribution diagram of a drainage hole according to an exemplary embodiment
  • Fig. 8 is a schematic diagram of an explosion structure of a water receiving tray according to an exemplary embodiment
  • Fig. 9 is a partially enlarged view of an explosive structure of a water receiving tray according to an exemplary embodiment
  • Fig. 10 is a schematic diagram of an assembly structure of a water receiving tray according to an exemplary embodiment
  • Heat exchanger 11, fins; 2, water receiving tray; 21, support boss; 22, drain hole; 23, first face; 24, second face; 25, third face; 3. electric heating Pipe; 4, fixed clip; 41, limit part; 42, fixed hole; 5, fan.
  • connection should be understood in a broad sense, for example, it may be mechanical or electrical, or two.
  • the internal communication of each element may be directly connected or indirectly connected through an intermediate medium.
  • FIG. 1 is a schematic diagram illustrating a wind direction between a water receiving tray and a heat exchanger according to an exemplary embodiment
  • FIG. 2 is based on An exemplary embodiment shows a partial enlarged view between a water receiving tray and a heat exchanger. It can be seen in conjunction with FIGS. 1 and 2 that the water receiving tray includes side edges and a bottom surface, and the angle ⁇ between the side edges and the bottom surface Greater than 90 °, and the transition between the side and the bottom through an arc.
  • the angle ⁇ between the side and the bottom of the water receiving tray 2 is greater than 90 °, where the wind passes through the angle ⁇ , the wind resistance is reduced due to the arc transition between the side and the bottom, and Increased wind speed, increased wind speed and reduced wind resistance will increase the speed of guiding water to the drain hole, increase the drain speed of the water receiving tray 2, and thus improve the drainage efficiency of the outdoor unit of the air conditioner.
  • the increase in wind speed is because the area of the tuyere on the left side of the fin 11 is larger than the area of the tuyere on the right side of the fin 11. In the case of an equal amount of wind, the wind speed increases after passing through the fin 11.
  • the height a of the side is 0.5 times the width W of the fin 11 of the heat exchanger 1, and the deviation of the height a of the side is ⁇ 0.5 mm.
  • the size of the side of the corresponding water receiving tray 2 is determined according to the width of the fin 11 of the heat exchanger 1, The water receiving tray 2 can be better matched with the fins 11 of the heat exchanger 1.
  • the height a of the side increases as the angle ⁇ increases.
  • the height a of the side increases by 2 mm.
  • the included angle is 95 ° ⁇ ⁇ ⁇ 120 °
  • the incremental tolerance is 5 °
  • the height a of the side is increased by 2 mm.
  • the value of the included angle ⁇ may be 100 °, 105 °, 110 °, 115 °.
  • the height a of the side is 8 mm or more and 18 mm or less.
  • the heights a of the sides are distributed in an equidistant sequence, with a tolerance of 2 mm.
  • the value of the height a of the side may be 10, 12, 14, 16 mm.
  • the width W of the fin 11 is determined according to the standard specifications in the air-conditioning outdoor unit industry, and is determined according to the parameters of the air-conditioning outdoor unit.
  • the number of sides is 4, which are distributed around the periphery of the water receiving tray 2.
  • the matching gap between the sides and the fins 11 is less than or equal to 2 mm, and is greater than or equal to 0.5 mm. If it is small, the water formed between the fins 11 and the side edges cannot be discharged into the drain hole of the water receiving tray 2 in time, which will eventually lead to poor drainage, and it is easier to freeze during low temperature heating, which affects the air conditioner outdoor unit. Thermal performance.
  • the mold of the water receiving tray 2 will be difficult to form, and the supporting surface of the fin 11 of the heat exchanger 1 will be reduced.
  • the side will block the heat exchanger
  • the bottom hairpin tube of the fin 11 of 1 affects the heat exchange efficiency of the heat exchanger 1 and has a negative effect on the cooling and heating effects of the outdoor unit of the air conditioner.
  • Fig. 3 is a distribution diagram of a support boss according to an exemplary embodiment. As shown in Fig. 3, a support boss 21 is provided on the periphery of the water receiving tray 2, and the number of support bosses 21 is different from that of the heat exchanger 1. The length of the fin 11 is positively correlated.
  • the corresponding number of support bosses 21 can be matched according to the length of the fins 11 of the heat exchanger 1 to avoid The contact between the fins 11 and the support boss 21 is less and the heat exchanger 1 is damaged.
  • the support boss 21 provided on the periphery of the water receiving tray 2 is used to support the heat exchanger 1 to support and fix the heat exchanger 1.
  • the connection way of the heat exchanger 1 and the support boss 21 is not limited.
  • a part of the pipeline of the fin 11 passes through the support boss 21.
  • the heat exchanger 1 is bent to form a plurality of straight-line fins 11, and the length L of each straight-line fin 11 is the same as the required support boss of the straight-line fin 11
  • the relationship of quantity n is as follows:
  • the unit of L is millimeter, and the unit of n is one.
  • the number of support bosses when the length is 2000 mm, the number of support bosses is 6-7; for every increase of 600 mm or less in length, the number of support bosses is increased by 1.
  • the number of the support bosses 21 is 1-2;
  • the number of the support bosses 21 is equal to or greater than 6.
  • the number of support bosses when the length is in the interval [2000, + ⁇ ], when the length is 2000, the number of support bosses is 6-7; for each increase of the length of 600 mm or less, the number of support bosses increases 1.
  • the unit of the above length is millimeter.
  • the number of support bosses 21 is selected according to the length of the fins 11 of each straight section of the heat exchanger 1, so that the number of support bosses 21 can be adapted to the number of fins 11 of each straight section of the heat exchanger 1 length.
  • the plurality of support bosses 21 are evenly distributed along the direction of the fins 11 of each straight segment.
  • the fins 11 of each straight section of the heat exchanger 1 can be uniformly supported.
  • the distribution shape of the support boss 21 is the same as the cross-sectional shape of the fin 11 of the heat exchanger 1.
  • FIG. 4 is a cross-sectional structure diagram of a fin according to an exemplary embodiment. As shown in FIG. 4, the heat exchanger 1 is bent into an L-shaped fin 11 having two straight segments, two The lengths of the fins 11 of each straight line segment are represented by L1 and L2, respectively, and the distribution shape of the corresponding support boss 21 is also L-shaped.
  • Fig. 5 is a structural view of a cross section of a fin according to another exemplary embodiment. As shown in Fig. 5, the heat exchanger 1 is bent into an arched fin 11 having three straight segments, The lengths of the fins 11 of the three straight segments are denoted by L1, L2, and L3, respectively, and the distribution shape of the corresponding support boss 21 is also arched.
  • Fig. 6 is a structural diagram of a cross-section of a fin according to yet another exemplary embodiment. As shown in Fig. 6, the heat exchanger 1 is bent into an unclosed mouth-shaped fin with four straight segments The lengths of the fins 11 and the fins 11 of the four straight line segments are denoted by L1, L2, L3, and L4, respectively, and the distribution shape of the corresponding support boss 21 is also an unclosed chevron shape.
  • the value range of L1, L2, L3, L4 and the number of selected support bosses 21 are determined according to the aforementioned scheme, that is, when L1, L2, L3 or L4 is located in the interval (0-200), the support convex The number of stations 21 is 1-2;
  • the number of support bosses is 6-7; for each increase of length of 600 mm or less, the number of support bosses increases by 1.
  • the length Y of the support boss 21 is 80-100 mm
  • the width M is 8-15 mm greater than the width W of the fin 11 of the heat exchanger 1
  • the height is the side of the water receiving tray 2 Half of the height a.
  • the length Y of the support boss 21 is 90 mm
  • the width M is 10 mm greater than the width W of the fin 11 of the heat exchanger 1
  • the height is the height a of the side of the water receiving tray 2 Half.
  • the length of the support boss 21 is 1.57-4.17 times its width.
  • the size of the support boss 21, the support boss 21 and the fin 11 of the heat exchanger 1 can be better matched.
  • the material of the support boss 21 is plastic and sheet metal material.
  • the plastic material is not easily deformed, and the support boss 21 made of plastic material also has the characteristics of corrosion resistance and long service life.
  • the support boss 21 made of sheet metal material has the characteristics of not easy to deform, high reliability, strong corrosion resistance and stability, and long service life.
  • FIG. 7 is a distribution diagram of a drain hole according to an exemplary embodiment. As shown in FIG. 7, the bottom surface of the water receiving tray 2 is opposite to the fins 11 of the heat exchanger 1 Drain holes 22 are partially provided, and the number of drain holes 22 is plural.
  • the diameter of the drain hole 22 is greater than or equal to 20 mm and less than or equal to 40 mm.
  • the total area of the plurality of drain holes 22 is 30% to 40% of the area of the bottom surface of the fin 11 of the heat exchanger 1.
  • the number of drain holes can be determined according to the total area of the drain holes 22 being 30% to 40% of the area of the bottom surface of the fin 11 of the heat exchanger 1.
  • the water receiving tray 2 will not be able to drain the water in time. If the icing is too thick, it will ultimately affect the heating efficiency of the product; if the total area of the multiple drain holes 22 is greater than 40% of the bottom surface area of the fins 11 of the heat exchanger 1, it will affect the heat exchange efficiency of the heat exchanger 1 and cause air conditioning The energy efficiency ratio of the outdoor unit is reduced.
  • 30% and 40% are the data obtained after working conditions such as drainage test, defrosting test, and low temperature heating.
  • the water receiving tray 2 is made of an aluminum-zinc plated steel plate, wherein the surface of the aluminum-zinc plated steel plate has an oxide layer.
  • the arrangement shape of the drain holes 22 is consistent with the cross-sectional shape of the fins 11 of the heat exchanger 1.
  • the specific shape of the cross section of the drain hole 22 is not limited, and the cross section of the drain hole 22 is circular, rectangular or elliptical.
  • the diameter of the drain hole is greater than or equal to 20 mm and less than or equal to 40 mm;
  • the length and width of the drain hole are greater than or equal to 20 mm, and less than or equal to 40 mm;
  • the long axis and short axis of the drain hole are both greater than or equal to 20 mm and less than or equal to 40 mm.
  • the diameter of the drain hole 22 is 30 mm;
  • the length of the drain hole 22 is 30 mm and the width is 25 mm;
  • the long axis of the drain hole is 35 mm and the short axis is 28 mm.
  • the total area of the plurality of drain holes 22 is 35% of the cross-sectional area of the heat exchanger 1.
  • the intervals between the plurality of drain holes 22 are the same or different.
  • the center of the drain hole 22 is located on the center plane in the width direction of the fin 11 of the heat exchanger 1.
  • the bottom surface of the water receiving tray 2 includes a first surface 23 and a second surface 24, and the height of the second surface 24 Below the height of the first face 23.
  • the first surface 23 is a reference surface
  • the second surface 24 is used for drainage.
  • the drain hole 22 is provided on the second face 24, and the water flows out of the drain hole 22 on the second face 24.
  • the height of the second face 24 is 5-15 mm lower than the height of the first face 23.
  • the height of the second face 24 is 10 mm lower than the height of the first face 23.
  • the electric heating tube 3 is further included, and the electric heating tube 3 is fixedly disposed on the bottom of the second surface 24.
  • the water receiving tray 2 further includes a fixing clip 4, which is used to fix the electric heating tube 3 on the second surface 24 of the water receiving tray 2;
  • screws may be used to fix the fixing clip 4 to the second surface 24 of the water receiving tray 2.
  • the second face 24 is the lowest face in the bottom of the water receiving tray 2 and the distance from the bottom of the fin 11 is 15-20 mm.
  • the value When the value is 15-20 mm, it can meet the efficient drainage of the outdoor unit of the air conditioner. If the distance is too small, it will cause the bottom of the fin 11 to be easily stored due to the small height difference under low-temperature heating The water freezes into ice, causing drainage blockage. In addition, after installing the electric heating tube 3, there is a problem of small installation space, and the electric heating tube 3 is easily contacted with the bottom of the fin 11 of the heat exchanger 1 to wear, causing damage; If the selection is too large, it will cause the mold of the water receiving tray 2 to be difficult to form, and it is necessary to use a deep-drawn drawing material with a higher cost to process the water receiving tray 2, resulting in a waste of material cost and mold cost.
  • FIG. 9 is a partial enlarged view of an explosive structure of a water receiving tray according to an exemplary embodiment. As shown in FIG. Suitably, the limiting portion 41 is buckled outside the electric heating tube 3.
  • the constraining surface of the limiting portion 41 is arched, which is adapted to the shape of the electric heating tube 3.
  • the constraining surface of the limiting portion 41 is semicircular, and its diameter is larger than the outer diameter of the electric heating tube 3.
  • the diameter of the constraining surface is 0.5-2 mm larger than the outer diameter of the electric heating tube 3, such as 1 mm, to achieve the cooperation between the constraining surface and the electric heating tube 3, if the size difference between the two If it is too large, the electric heating tube 3 will be subjected to excessive stress and deformation failure. If the size difference between the two is too small, the electric heating tube 3 will not be firmly fixed, causing shaking and vibration, resulting in electric heating Tube 3 is badly worn.
  • the fixing clip 4 further includes a fixing hole 42 through which the screw fixes the fixing clip 4 on the second surface 24 of the water receiving tray 2.
  • the number of the limiting portion 41 is one or more.
  • the fixing and restraining of the multiple electric heating tubes 3 can be achieved at the same time.
  • the fixing clip is m-shaped, the arched portions on both sides serve as the limiting portion 41, and a fixing hole 42 is opened in the middle depression.
  • the m-shaped fixing clip 4 is used to fix and restrain the two electric heating tubes 3.
  • the water receiving tray 2 is further provided with a third surface 25; the third surface 25 is convexly disposed on part of the first surface 23.
  • the height difference between the third face 25 and the first face 23 is 5-15 mm.
  • the difference in height between the third face 25 and the first face 23 is 10 mm.
  • the support bosses 21 are disposed on the first surface 23 at intervals.
  • the third surface 25 is located in the middle of the bottom surface of the water receiving tray 2.
  • the first surface 23 is distributed in the middle and surrounding positions of the bottom surface of the water receiving tray 2, wherein the portion above the first surface 23 at the middle position of the bottom surface of the water receiving tray 2 is the third surface 25.
  • the drain hole 22 and the electric heating tube 3 are both provided on the second surface 24, and their positions are the lowest, which facilitates the timely discharge of water.
  • the electric heating tube 3 is arranged on the second surface 24, which is convenient for quick defrosting of ice and expulsion as soon as the ice turns into water.
  • Fig. 10 is a schematic diagram of an assembly structure of a water receiving tray according to an exemplary embodiment.
  • a heat exchanger 1 is installed above the water receiving tray 2, and fins 11 of the heat exchanger 1 are fixed On the support boss 21, the wind generated by the fan 5 enters the water receiving tray 2 through the heat exchanger 1, blows the water toward the drain hole 22, and is discharged through the drain hole 22.
  • an outdoor unit for an air conditioner having the water receiving tray 2 mentioned above.

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  • Combustion & Propulsion (AREA)
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  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

一种室外机和接水盘（2），室外机包括热交换器（1）和接水盘（2），接水盘（2）具有第一面（23）和第二面（24），第二面（24）的高度低于第一面（23）的高度。如此，系统零部件安装的位置高于第二面（24），水通过第二面（24）排出，避免了当水无法及时排出时系统零部件会被水浸泡的问题，延长了系统零部件的使用寿命。

Description

一种空调室外机
本申请基于申请号为201811369064.3、申请日为2018年11月16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
本发明涉及制冷技术领域，特别涉及一种空调室外机。
背景技术
现有技术中的空调室外机包括接水盘，接水盘的底部设有排水孔，接水盘通过排水孔将水排出，但接水盘的底部为高度一致的平面，当水无法及时排出时，将会使得安装在接水盘的底部的系统零部件被水浸泡，降低使用寿命。
发明内容
本发明实施例提供了一种接水盘及具有其的空调室外机，以解决现有技术中当水无法及时排出时，将会使得安装在接水盘的底部的系统零部件被水泡的问题。为了对披露的实施例的一些方面有一个基本的理解，下面给出了简单的概括。该概括部分不是泛泛评述，也不是要确定关键/重要组成元素或描绘这些实施例的保护范围。其唯一目的是用简单的形式呈现一些概念，以此作为后面的详细说明的序言。
根据本发明实施例的第一方面，提供了一种接水盘，接水盘内还设有第二面，第二面的高度低于第一面的高度。
在一些可选实施例中，第二面的高度比第一面的高度低5-15毫米。
在一些可选实施例中，第二面的高度比第一面的高度低10毫米。
在一些可选实施例中，还包括电加热管，电加热管固定设置于第二面的底部。
在一些可选实施例中，还包括固定夹子；
固定夹子用于将电加热管固定在接水盘的第二面上。
在一些可选实施例中，固定夹子包括限位部；
限位部与电加热管的外形相适配，限位部扣设在电加热管的外部。
在一些可选实施例中，固定夹子呈m形，其中间位置设有固定孔，采用螺钉从固定孔处将固定夹子固定于第二面上。
在一些可选实施例中，接水盘还设有第三面；第三面凸设于部分第一面上。
在一些可选实施例中，第三面与第一面之间的高度差为5-15毫米。
根据本发明实施例的第二方面，提供了一种空调室外机，包括上面的接水盘。
本发明实施例提供的技术方案可以包括以下有益效果：
本发明实施例通过在接水盘内设有第二面，并将第二面的高度低于第一面的高度，则系统零部件安装的位置高于第二面，水通过第二面排出，避免了当水无法及时排出时，使得系统零部件面临被水浸泡的局面，延长了系统零部件的使用寿命。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本发明。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本发明的实施例，并与说明书一起用于解释本发明的原理。
图1是根据一示例性实施例示出的一种接水盘和热交换器之间的风向流向的示意图；
图2是根据一示例性实施例示出的一种接水盘和热交换器之间的局部放大图；
图3是根据一示例性实施例示出的一种支撑凸台的分布图；
图4是根据一示例性实施例示出的一种翅片的横截面的结构图；
图5是根据另一示例性实施例示出的一种翅片的横截面的结构图；
图6是根据又一示例性实施例示出的一种翅片的横截面的结构图；
图7是根据一示例性实施例示出的一种排水孔的分布图；
图8是根据一示例性实施例示出的一种接水盘的爆炸结构示意图；
图9是根据一示例性实施例示出的一种接水盘的爆炸结构的局部放大图；
图10是根据一示例性实施例示出的一种接水盘的装配结构示意图；
附图标记说明：
1、热交换器；11、翅片；2、接水盘；21、支撑凸台；22、排水孔；23、第一面；24、第二面；25、第三面；3、电加热管；4、固定卡子；41、限位部；42、固定孔；5、风机。
具体实施方式
以下描述和附图充分地示出本发明的具体实施方案，以使本领域的技术人员能够实践它们。一些实施方案的部分和特征可以被包括在或替换其他实施方案的部分和特征。本发明的实施方案的范围包括权利要求书的整个范围，以及权利要求书的所有可获得的等同物。本文中，诸如第一和第二等之类的关系术语仅仅用于将一个实体或者结构与另一个实体或结构区分开来，而不要求或者暗示这些实体或结构之间存在任何实际的关系或者顺序。本文中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。
在本发明的描述中，需要理解的是，术语“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”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发明和简化描述，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发明的限制。在本发明的描述中，除非另有规定和限定，需要说明的是，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是机械连接或电连接，也可以是两个元件内部的连通，可以是直接相连，也可以通过中间媒介间接相连，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的具体含义。
根据本发明实施例的第一方面，提供了一种接水盘，图1是根据一示例性实施例示出的一种接水盘和热交换器之间的风向流向的示意图，图2是根据一示例性实施例示出的一种接水盘和热交换器之间的局部放大图，结合图1和图2可以看出，接水盘包括侧边和底面，侧边和底面的夹角β大于90°，且侧边和底面之间通过圆弧过渡。
本发明实施例通过将接水盘2的侧边和底面的夹角β设置为大于90°，在风经过夹角β处，由于侧边和底面之间通过圆弧过渡，使得风阻降低，且风速提高，风速提高和风阻降低将提高引导水排向排水孔的速度，提高了接水盘2的排水速度，从而提高了空调室外机的排水效率。
其中，风速提高是由于翅片11左侧的风口面积大于翅片11右侧的风口面积，在等风量的情况下，风在经过翅片11后，风速变大。
在一些可选实施例中，侧边的高度a为热交换器1的翅片11宽度W的0.5倍，侧边的高度a的偏差为±0.5毫米。
通过将侧边的高度a设置为热交换器1的翅片11的宽度的0.5倍，充分根据热交换器1的翅片11的宽度尺寸来确定相应的接水盘2的侧边的尺寸，可以使得接水盘2更好地与热交换器1的翅片11匹配。
在一些可选实施例中，侧边的高度a随夹角β的增大而增加。
在一些可选实施例中，夹角β每增加5°，侧边的高度a增加2毫米。
在一些可选实施例中，夹角95°≤β≤120°，递增的公差为5°，夹角β每增加5°，侧边的高度a增加2毫米。
在一些可选实施例中，夹角β的取值可以是100°、105°、110°、115°。在一些可选实施例中，侧边的高度a大于等于8毫米，且小于等于18毫米。
在一些可选实施例中，侧边的高度a呈等差数列分布，其公差为2毫米。
在一些可选实施例中，侧边的高度a的取值可以是10、12、14、16毫米。
在一些可选实施例中，翅片11的宽度W是按照空调室外机行业内的标准规格取值，根据空调室外机的参数来确定。
在一些可选实施例中，侧边的数量有4个，分布在接水盘2的周边，侧边与翅片11的配合间隙小于等于2毫米，且大于等于0.5毫米，该配合间隙值过小，将导致不能及时将翅片11与侧边之间形成的水排到接水盘2的排水孔内，最终导致排水不畅，低温制热时更容易结冰，影响空调室外机的制热性能。
另外，侧边的高度a过小将会导致接水盘2的模具成型困难，且降低了热交换器1的 翅片11的支撑作用面，但a的取值过大会导致侧边遮挡热交换器1的翅片11的最底部的发卡管，影响热交换器1的热交换效率，对空调室外机的制冷和制热效果产生负面作用。
其中侧边的高度a和夹角β的取值对照表如表1所示。
表1 a和β的取值对照表
高度α(毫米) 角度β(°)
8 95
10 100
12 105
14 110
16 115
18 120
图3是根据一示例性实施例示出的一种支撑凸台的分布图，如图3所示，接水盘2的周边设有支撑凸台21，支撑凸台21的数量与热交换器1的翅片11的长度呈正相关。
本发明实施例通过将支撑凸台21的数量与热交换器1的长度呈正相关，可根据热交换器1的翅片11的长度匹配相应数量的支撑凸台21，避免由于热交换器1的翅片11和支撑凸台21的接触较少而导致热交换器1损坏。
本发明实施例中，在接水盘2的周边设置的支撑凸台21是用来支撑设置热交换器1的，达到对热交换器1的支撑和固定的目的。热交换器1与支撑凸台21的连接方式不限定，如，在一种可选的实施例中，翅片11的部分管路穿设在支撑凸台21上。
在一些可选实施例中，热交换器1弯折形成多个直线段的翅片11，每个直线段的翅片11的长度L与该直线段的翅片11所需的支撑凸台的数量n的关系如下：
Figure PCTCN2019105309-appb-000001
其中L的单位为毫米，n的单位为个。
在一些可选实施例中，当长度为2000毫米时，支撑凸台的数量为6-7个；长度每增加600毫米及以内，支撑凸台的数量增加1个。
在一些可选实施例中，当热交换器1的每个直线段的翅片11的长度位于区间(0-200)时，支撑凸台21的数量为1-2个；
当热交换器1的每个直线段的翅片11的长度位于区间[200-600)时，支撑凸台21的数量为2-3个；
当热交换器1的每个直线段的翅片11的长度位于区间[600-1000)时，支撑凸台21的数量为3-4个；
当热交换器1的每个直线段的翅片11的长度位于区间[1000-1400)时，支撑凸台21的数量为4-5个；
当热交换器1的每个直线段的翅片11的长度位于区间[1400-2000)时，支撑凸台21的数量为5-6个；
当热交换器1的每个直线段的翅片11的长度位于区间[2000-+)时，支撑凸台21的数量大于等于6个。
在一些可选实施例中，长度位于区间[2000,+∞]时，当长度为2000时，支撑凸台的数量为6-7个；长度每增加600毫米及以内，支撑凸台的数量增加1个。
其中上面的长度的单位为毫米。
根据热交换器1的每个直线段的翅片11的长度来选择支撑凸台21的数量，则可使得支撑凸台21的数量适合于热交换器1的每个直线段的翅片11的长度。
在一些可选实施例中，多个支撑凸台21沿着每个直线段的翅片11的方向呈均匀分布。
通过将多个支撑凸台21之间呈均匀间隔分布，可均匀地实现对热交换器1的每个直线段的翅片11的支撑。
在一些可选实施例中，支撑凸台21的分布形状与热交换器1的翅片11的横截面形状相同。
图4是根据一示例性实施例示出的一种翅片的横截面的结构图，如图4所示，热交换器1弯折成具有两个直线段的呈L型的翅片11，两个直线段的翅片11的长度分别用L1和L2来表示，对应的支撑凸台21的分布形状也为L形。
图5是根据另一示例性实施例示出的一种翅片的横截面的结构图，如图5所示，热交换器1弯折成具有三个直线段的呈拱形的翅片11，三个直线段的翅片11的长度分别用L1、L2和L3来表示，对应的支撑凸台21的分布形状也为拱形。
图6是根据又一示例性实施例示出的一种翅片的横截面的结构图，如图6所示，热交换器1弯折成具有四个直线段的呈不闭合的口字形的翅片11，四个直线段的翅片11的长度分别用L1、L2、L3和L4来表示，对应的支撑凸台21的分布形状也为不闭合的口字形。
其中，L1，L2、L3、L4的取值范围与选取的支撑凸台21的数量按照前面所提到的方案确定，即L1、L2、L3或者L4位于区间(0-200)时，支撑凸台21的数量为1-2个；
L1、L2、L3或者L4位于区间[200-600)时，支撑凸台21的数量为2-3个；
L1、L2、L3或者L4位于区间[600-1000)时，支撑凸台21的数量为3-4个；
L1、L2、L3或者L4位于区间[1000-1400)时，支撑凸台21的数量为4-5个；
L1、L2、L3或者L4位于区间[1400-2000)时，支撑凸台21的数量为5-6个。
L1、L2、L3或者L4位于区间[2000-+)时，支撑凸台21的数量大于等于6个。
L1、L2、L3或者L4的长度为2000时，支撑凸台的数量为6-7个；长度每增加600毫米及以内，支撑凸台的数量增加1个。
通过这样的方案来选择支撑凸台21的数量能更加有效的给翅片11提供足够的支撑受力面，有效提高热交换器1的支撑约束，保证热交换器1的换热效率。
在一些可选实施例中，支撑凸台21的长度Y为80-100毫米，宽度M比热交换器1的翅片11的宽度W多8-15毫米，高度为接水盘2的侧边的高度a的一半。
在一些可选实施例中，支撑凸台21的长度Y为90毫米，宽度M比热交热器1的翅片11的宽度W多10毫米，高度为接水盘2的侧边的高度a的一半。
在一些可选实施例中，支撑凸台21的长度是其宽度的1.57-4.17倍。
通过对支撑凸台21的尺寸进行设计，可使得支撑凸台21与热交换器1的翅片11更好的匹配。
在一些可选实施例中，支撑凸台21的材质为塑料和钣金材料。
在一些可选实施例中，塑料材质不易变形，采用塑料材质的支撑凸台21，还具有耐腐蚀，使用寿命长的特点。
在一些可选实施例中，采用钣金材料来制作的支撑凸台21具有不易变形，可靠性高，防腐蚀能力和稳定性强，使用寿命长等特点。
在一些可选实施例中，图7是根据一示例性实施例示出的一种排水孔的分布图，如图7所示，接水盘2的底面与热交换器1的翅片11相对的部分设有排水孔22，排水孔22的数量为多个。
在一些可选实施例中，排水孔22的直径大于等于20毫米，且小于等于40毫米。
在一些可选实施例中，多个排水孔22的总面积是热交换器1的翅片11的底面面积的30％到40％。
排水孔22的直径确定后，按照多个排水孔22的总面积为热交换器1的翅片11的底面面积的30％到40％可确定排水孔的个数。
若多个排水孔22的总面积小于热交换器1的翅片11的底面面积的30％，会导致接水盘2无法及时将水排除，在冬天制热的时候，会由于水排不及时而结冰过厚，最终影响产品制热效率；若多个排水孔22的总面积大于热交换器1的翅片11的底面面积的40％，会影响热交换器1的换热效率，造成空调室外机的能效比降低。
其中30％和40％是经过排水试验、化霜实验、低温制热等工况测试所得的数据。
在一些可选实施例中，接水盘2采用镀铝锌钢板制成，其中，镀铝锌钢板的表面具有氧化层。
在一些可选实施例中，排水孔22的排列形状与热交换器1的翅片11的横截面形状一致。
在一些可选实施例中，对排水孔22的横截面的具体形状不做限定，排水孔22的横截 面为圆形或者矩形或者椭圆形。
在一些可选实施例中，当排水孔22的横截面为圆形时，排水孔的直径大于等于20毫米，且小于等于40毫米；
当排水孔22的横截面为矩形时，排水孔的长度和宽度均大于等于20毫米，且小于等于40毫米；
当排水孔22的横截面为椭圆形时，排水孔的长轴和短轴均大于等于20毫米，且小于等于40毫米。
在一些可选实施例中，当排水孔22的横截面为圆形时，排水孔22的直径为30毫米；
当排水孔22的横截面为矩形时，排水孔的长度为30毫米，宽度为25毫米；
当排水孔22的横截面为椭圆形时，排水孔的长轴为35毫米，短轴为28毫米。
在一些可选实施例中，多个排水孔22的总面积是热交换器1的横截面的面积的35％。
在一些可选实施例中，多个排水孔22之间的间隔相同或者不同。
在一些可选实施例中，排水孔22的中心位于热交换器1的翅片11的宽度方向的中心面上。
图8是根据一示例性实施例示出的一种接水盘的爆炸结构示意图，如图8所示，接水盘2的底面包括第一面23和第二面24，第二面24的高度低于第一面23的高度。
在一些可选实施例中，第一面23为基准面，第二面24用于排水。
在一些可选实施例中，排水孔22设置于第二面24上，水从第二面24上的排水孔22中流出。
在一些可选实施例中，第二面24的高度比第一面23的高度低5-15毫米。
在一些可选实施例中，第二面24的高度比第一面23的高度低10毫米。
在一些可选实施例中，还包括电加热管3，电加热管3固定设置于第二面24的底部。
在一些可选实施例中，接水盘2还包括固定夹子4，固定夹子4用于将电加热管3固定在接水盘2的第二面24上；
在一些可选实施例中，可采用螺钉将固定夹子4固定于接水盘2的第二面24上。
在一些可选实施例中，第二面24为接水盘2的底部中的最低面，其与翅片11的底部的距离为15-20毫米。
其中取值为15-20毫米时能够满足空调室外机工作时的高效排水，若距离选择过小，将会导致在低温制热工况下，由于高度差过小，翅片11的底部容易存水并结成冰，造成排水堵塞，另外，在安装电加热管3后，存在安装空间小的问题，且电加热管3容易与热交换器1的翅片11的底部接触磨损，造成损害；若选择过大，会造成接水盘2的模具成型困难，必须使用成本更高的深冲拉伸料来加工接水盘2，导致材料成本和模具成本的浪费。
图9是根据一示例性实施例示出的一种接水盘的爆炸结构的局部放大图，如图9所示，固定夹子4包括限位部41，限位部41与电加热管3的外形相适配，所述限位部41扣设 在电加热管3的外部。
在一些可选实施例中，当电加热管3为矩形管时，限位部41的约束面呈拱形，与电加热管3的外形相适配。
在一些可选实施例中，当电加热管3为圆形管时，限位部41的约束面为半圆形，其直径大于电加热管3的外径。
在一些可选实施例中，约束面的直径比电加热管3的外径大0.5-2毫米，如1毫米，实现约束面和电加热管3之间的配合，若二者间的尺寸差距过大，将会造成电加热管3受力过大，出现变形失效，若二者间的尺寸差距过小，将会出现电加热管3固定不牢固，产生晃动和震动的状况，导致电加热管3磨损严重。
在一些可选实施例中，固定夹子4还包括固定孔42，螺钉通过固定孔42将固定夹子4固定在接水盘2的第二面24上。
在一些可选实施例中，限位部41的数量为一个或者多个，当限位部41的数量为多个时，可同时实现对多个电加热管3的固定和约束。如图9所示，固定夹子呈m形，两侧的拱形部作为限位部41，中间凹陷处开设固定孔42。该m型的固定夹子4用于实现对两个电加热管3的固定和约束。
在一些可选实施例中，接水盘2还设有第三面25；第三面25凸设于部分第一面23上。
在一些可选实施例中，第三面25与第一面23之间的高度差为5-15毫米。
在一些可选实施例中，第三面25与第一面23之间的高度差为10毫米。
在一些可选实施例中，支撑凸台21设置于第一面23上，呈间隔设置。
在一些可选实施例中，第三面25位于接水盘2的底面的中间位置。
在一些可选实施例中，第一面23分布在接水盘2的底面的中间和四周位置，其中位于接水盘2的底面的中间位置的第一面23的上方的部分为第三面25。
在一些可选实施例中，排水孔22和电加热管3均设置在第二面24上，其位置最低，有利于水的及时排出。
将电加热管3设置在第二面24上，方便对冰进行快速解冻，方便冰化成水后尽快排出。
图10是根据一示例性实施例示出的一种接水盘的装配结构示意图，如图10所示，接水盘2的上方装有热交换器1，热交换器1的翅片11固定于支撑凸台21上，风机5产生的风经过热交换器1进入接水盘2的内部，将水吹向排水孔22，并经排水孔22排出。
根据本发明实施例的第二方面，提供了一种空调室外机，空调室外机具有上面所涉及的接水盘2。
本发明并不局限于上面已经描述并在附图中示出的结构，并且可以在不脱离其范围进行各种修改和改变。本发明的范围仅由所附的权利要求来限制。

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  1. 一种接水盘，其特征在于，所述接水盘的底面包括第一面和第二面，所述第二面的高度低于第一面的高度。
  2. 根据权利要求1所述的接水盘，其特征在于，所述第二面的高度比所述第一面的高度低5-15毫米。
  3. 根据权利要求2所述的接水盘，其特征在于，所述第二面的高度比所述第一面的高度低10毫米。
  4. 根据权利要求1所述的接水盘，其特征在于，还包括电加热管，所述电加热管固定设置于所述第二面的底部。
  5. 根据权利要求4所述的接水盘，其特征在于，还包括固定夹子；
    所述固定夹子用于将所述电加热管固定在所述接水盘的第二面上。
  6. 根据权利要求5所述的接水盘，其特征在于，所述固定夹子包括限位部；
    所述限位部与所述电加热管的外形相适配，所述限位部扣设在所述电加热管的外部。
  7. 根据权利要求6所述的接水盘，其特征在于，所述固定夹子呈m形，其中间位置设有固定孔，采用螺钉从所述固定孔处将所述固定夹子固定于所述第二面上。
  8. 根据权利要求1所述的接水盘，其特征在于，所述接水盘还设有第三面；所述第三面凸设于部分所述第一面上。
  9. 根据权利要求8所述的接水盘，其特征在于，所述第三面与所述第一面之间的高度差为5-15毫米。
  10. 一种空调室外机，包括热交换器，其特征在于，还包括权利要求1至9中任一项所述的接水盘。
PCT/CN2019/105309 2018-11-16 2019-09-11 一种空调室外机 WO2020098357A1 (zh)

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