WO2020147218A1 - 一种应用于卡式空调的换热器和卡式空调 - Google Patents

一种应用于卡式空调的换热器和卡式空调 Download PDF

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Publication number
WO2020147218A1
WO2020147218A1 PCT/CN2019/084195 CN2019084195W WO2020147218A1 WO 2020147218 A1 WO2020147218 A1 WO 2020147218A1 CN 2019084195 W CN2019084195 W CN 2019084195W WO 2020147218 A1 WO2020147218 A1 WO 2020147218A1
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Prior art keywords
heat exchange
air conditioner
exchange part
heat exchanger
side heat
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PCT/CN2019/084195
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English (en)
French (fr)
Inventor
刘景升
李文波
任滔
李银银
刘江彬
孟庆良
宋强
国德防
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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Application filed by 青岛海尔空调电子有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔空调电子有限公司
Priority to EP19910848.1A priority Critical patent/EP3798523B1/en
Publication of WO2020147218A1 publication Critical patent/WO2020147218A1/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
    • F24F1/0007—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
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins

Definitions

  • This application relates to the field of air conditioning technology, for example, to a heat exchanger and a cassette air conditioner applied to a cassette air conditioner.
  • the cassette air conditioner also known as the ceiling air conditioner, is one of the commercial air conditioners. Compared with household air conditioners, it has better stability, stronger cooling capacity, and more controllable temperature. It is mostly used in some offices and shops.
  • the middle heat exchange part of the cassette air conditioner is a flat structure for the air conditioner to supply air to the room, but this structure will cause poor heat dissipation in the air supply system of the air conditioner, resulting in low heat exchange efficiency, wasting electric energy, and unable to meet user needs.
  • the embodiment of the present disclosure provides a heat exchanger applied to a cassette air conditioner.
  • the above-mentioned heat exchanger includes:
  • the middle heat exchange part arranged between the two side heat exchange parts is a concave structure facing away from the included angle of the two side heat exchange parts.
  • the embodiment of the present disclosure provides a card type air conditioner.
  • the cassette air conditioner includes the heat exchanger described above, wherein the two side heat exchange parts of the heat exchanger are arranged corresponding to the air inlet of the cassette air conditioner, and the middle heat exchange part corresponds to the air outlet of the cassette air conditioner Set up.
  • the technical solution provided by the embodiments of the present disclosure may include the following beneficial effects: by changing the structure of the heat exchange part of the heat exchanger of the cassette air conditioner, the air supply system of the cassette air conditioner can dissipate more smoothly, thereby improving heat exchange efficiency and saving electric energy. , So that customers use better.
  • Fig. 1 is a schematic structural diagram of an air conditioner humidification system provided by an embodiment of the present disclosure applied to a heat exchanger of a cassette air conditioner;
  • Fig. 2 is a schematic structural diagram of an air conditioner humidification system provided by an embodiment of the present disclosure applied to a heat exchanger of a cassette air conditioner.
  • 1 side heat exchange part; 2: middle heat exchange part; 21: first middle heat exchange part; 22: second middle heat exchange part; 11: first side heat exchange part; 12: second side heat exchange part.
  • connection should be understood in a broad sense, for example, it may be a mechanical connection or an electrical connection, or it may be the communication between two elements, It may be directly connected or indirectly connected through an intermediary.
  • connection should be understood in a broad sense, for example, it may be a mechanical connection or an electrical connection, or it may be the communication between two elements, It may be directly connected or indirectly connected through an intermediary.
  • connection should be understood in a broad sense, for example, it may be a mechanical connection or an electrical connection, or it may be the communication between two elements, It may be directly connected or indirectly connected through an intermediary.
  • the term “plurality” means two or more.
  • A/B means: A or B.
  • a and/or B means: A or B, or A and B.
  • a heat exchanger applied to a card-type air conditioner which includes side heat exchange parts 1 arranged on two sides and arranged at an angle to each other; and arranged on two side heat exchange parts
  • the middle heat exchange part 2 between 1 and the middle heat exchange part 2 is a concave structure facing away from the included angle of the two side exchange parts.
  • the side heat exchange part 1 may be the air outlet part of the cassette air conditioner
  • the middle heat exchange part 2 may be the return air part of the cassette air conditioner
  • the side heat exchange part 1 may be the air return part of the cassette air conditioner.
  • the middle heat exchange part 2 is the air outlet of the cassette air conditioner.
  • the side heat exchange parts 1 are arranged on both sides of the middle heat exchange part 2, and the two side heat exchange parts 1 are arranged at an angle. It means that if one of the side heat exchange parts 1 is not moved, the other side The heat exchange part 1 moves in its direction. When one side of the two side heat exchange parts 1 intersect, the entire planes of the two side heat exchange parts 1 cannot be overlapped, and the two planes are at a certain angle. limited.
  • the structure of the intermediate heat exchange portion 2 includes a first intermediate heat exchange portion 21 and a second intermediate heat exchange portion 22, and the first intermediate heat exchange portion 21 and the second intermediate heat exchange portion 22 may have a symmetrical structure.
  • the structure of the two side heat exchange parts 1 includes a first side heat exchange part 11 and a second side heat exchange part 12, and the first side heat exchange part 11 and the second side heat exchange part 12 may have a symmetrical structure.
  • both the side heat exchange part 1 and the middle heat exchange part 2 may be provided with vent holes.
  • the air enters through the vent holes of the side heat exchange part 1 because the two side heat exchange parts 1 are at a certain angle, they are not the same
  • the angle between the first intermediate heat exchange part 21 and the second intermediate heat exchange part 22 When it is 180 degrees, the angle between the first intermediate heat exchange portion 21 and the first side heat exchange portion 11 is set to 144.9 degrees, and the angle between the second intermediate heat exchange portion 22 and the second side heat exchange portion 12 is 144.8 degrees.
  • the measured outflow wind speed through the first middle heat exchange part 21 and the second middle heat exchange part 22 is only 0.6 Meters per second means that when the middle heat exchange part 2 is a flat surface, the internal circulation of the cassette air conditioner is not smooth, and the heat exchange efficiency is low, which will result in a waste of electric energy.
  • the angle of the first intermediate heat exchange part 21 and the second intermediate heat exchange part 22 is kept unchanged.
  • the angle between the heat portion 21 and the second intermediate heat exchange portion 22 is 90 degrees
  • the angle between the first intermediate heat exchange portion 21 and the first side heat exchange portion 11 is 99.9 degrees
  • the second intermediate heat exchange portion 22 and the second The side heat exchange part 12 includes an angle of 99.8 degrees.
  • the wind speed of the first side heat exchange part 11 and the second side heat exchange part 12 is 1.48 meters per second, it is measured that the first intermediate heat exchange part 21 and The outflow wind speed of the second intermediate heat exchange part 22 is 1.32 meters per second and 1.33 meters per second, respectively.
  • the air supply system of the cassette air conditioner can dissipate more smoothly, thereby improving the heat exchange efficiency of the cassette air conditioner, saving more electricity, and making the customer use better.
  • the angle between the two concave sides of the concave structure of the middle heat exchange part 2 is 141 degrees
  • the air inlet through the first side heat exchange part 11 and the second side heat exchange part 12 When the wind speed is 1.58 meters per second, the measured outflow wind speed through the first intermediate heat exchange part 21 and the second intermediate heat exchange part 22 is only 1.2 meters per second.
  • the air supply system of the cassette air conditioner can dissipate more smoothly, thereby improving the heat exchange efficiency of the cassette air conditioner, saving more power, and making the customer use better.
  • the concave depth of the concave structure of the middle heat exchange part 2 is 0 mm.
  • the first middle heat exchange part 21 and the second middle heat exchange part 22 are on the same plane, that is, the first middle heat exchange part
  • the angle between 21 and the second intermediate heat exchange portion 22 is 180 degrees
  • the angle between the first intermediate heat exchange portion 21 and the first side heat exchange portion 11 is set to 144.9 degrees
  • the second intermediate heat exchange portion 22 exchanges with the second side
  • the included angle of the heat section 12 is 144.8 degrees.
  • the concave depth of the concave structure of the middle heat exchange part 2 is 152mm.
  • the angle between the first middle heat exchange part 21 and the second middle heat exchange part 22 is 103 degrees.
  • the measured outflow wind speeds through the first intermediate heat exchange section 21 and the second intermediate heat exchange section 22 are 1.26 meters per second respectively And 1.27 meters per second.
  • the maximum width of the concave structure of the middle heat exchange part 2 is 127mm-162mm. Tests have shown that when the width of the concave structure of the intermediate heat exchange portion 2 is less than 127 mm or greater than 162 mm, the outflow wind speed of the intermediate heat exchange portion 2 will decrease and the heat exchange efficiency will decrease. Therefore, the width of the concave structure of the middle heat exchange part 2 is limited to 127mm-162mm. In this way, by changing the structure of the heat exchange part of the heat exchanger of the cassette air conditioner, the air supply system of the cassette air conditioner can dissipate more smoothly, thereby improving the heat exchange efficiency of the cassette air conditioner, saving more power, and making the customer use better.
  • the concave side of the middle heat exchange part 2 and its corresponding side heat exchange part 1 are vertically arranged.
  • the angle of the first intermediate heat exchange portion 21 and the second intermediate heat exchange portion 22 is 70.3 degrees, keeping the angle of the first side heat exchange portion 11 and the second side heat exchange portion 12 different
  • the angle between the first intermediate heat exchange portion 21 and the first side heat exchange portion 11 is set to 90 degrees.
  • the angle between the middle heat exchange section 22 and the second side heat exchange section 12 is 90 degrees.
  • the measured The outflow wind speeds of the first intermediate heat exchange part 21 and the second intermediate heat exchange part 22 are 1.34 meters per second and 1.34 meters per second, respectively.
  • the card type The air supply system of the air conditioner dissipates more smoothly, thereby improving the heat exchange efficiency of the cassette air conditioner, saving more electricity, and making the customer use better.
  • the concave side of the middle heat exchange part 2 and the side heat exchange part 1 on the corresponding side are smoothly transitionally connected by an arc section.
  • the concave side of the middle heat exchange part 2 and the side heat exchange part 1 on the corresponding side may be smoothly transitioned through arc-shaped sections.
  • the resistance is small because it can Avoid the formation of vortex, thus greatly reducing the resistance of the gas flow, making the air outflow smoother at the same air inlet speed.
  • the card type The air supply system of the air conditioner dissipates more smoothly, thereby improving the heat exchange efficiency of the cassette air conditioner, saving more electricity, and making the customer use better.
  • the concave side of each side of the middle heat exchange part 2 and the side heat exchange part 1 on the corresponding side are integrated.
  • the integrated structure can make the heat exchange part of the cassette air conditioner as a whole, more stable, reduce the failure rate, and avoid friction consumption between components without affecting the heat dissipation.
  • the middle The heat exchange part 2 and the side heat exchange part 1 will inevitably produce some tiny vibrations and flash cracks.
  • the first side heat exchange section 11 of the heat exchange section 21 is manufactured as an integrated structure, and the second intermediate heat exchange section 22 and the second side heat exchange section 12 are also manufactured as an integrated structure.
  • the internal structure makes the air supply system of the cassette air conditioner more smoothly dissipate heat, thereby improving the heat exchange efficiency of the cassette air conditioner, saving more electricity, and making the customer use better.
  • the heat exchanger has a symmetrical structure.
  • the structure of the intermediate heat exchange portion 2 includes a first intermediate heat exchange portion 21 and a second intermediate heat exchange portion 22, and the first intermediate heat exchange portion 21 and the second intermediate heat exchange portion 22 may have a symmetrical structure.
  • the structure of the two side heat exchange parts 1 includes a first side heat exchange part 11 and a second side heat exchange part 12, and the first side heat exchange part 11 and the second side heat exchange part 12 may have a symmetrical structure.
  • the embodiments of the present disclosure also provide a cassette air conditioner, including the heat exchanger as described in any of the above optional embodiments, wherein the two side heat exchange parts 1 of the heat exchanger are arranged corresponding to the air inlets of the cassette air conditioner, The middle heat exchange part 2 is arranged corresponding to the air outlet of the cassette air conditioner.
  • the heat exchanger may include side heat exchange parts 1 arranged on both sides and arranged at an angle to each other; and an intermediate heat exchange part 2 arranged between the two side heat exchange parts 1.
  • the intermediate heat exchange part 2 is a concave structure facing away from the included angle of the two side exchange parts.
  • the structure of the intermediate heat exchange portion 2 includes a first intermediate heat exchange portion 21 and a second intermediate heat exchange portion 22, and the first intermediate heat exchange portion 21 and the second intermediate heat exchange portion 22 may have a symmetrical structure.
  • the structure of the two side heat exchange parts 1 includes a first side heat exchange part 11 and a second side heat exchange part 12.
  • the first side heat exchange part 11 and the second side heat exchange part 12 can have a symmetrical structure. In this way, by changing the card
  • the heat exchange part structure of the heat exchanger of the cassette air conditioner makes the air supply system of the cassette air conditioner more smoothly, thereby improving the heat exchange efficiency of the cassette air conditioner, saving more electricity, and making the customer use better.
  • the concave side of the middle heat exchange part 2 and the side heat exchange part 1 on the corresponding side can be smoothly transitioned through the arc-shaped section.
  • the resistance is small, because it can avoid The formation of the vortex greatly reduces the resistance when the gas flows, and makes the air outflow smoother at the same air inlet speed.
  • the cassette air conditioner The air supply system dissipates more smoothly, thereby improving the heat exchange efficiency of the cassette air conditioner, saving more electricity, and making the customer use better.

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

Abstract

一种应用于卡式空调的换热器和卡式空调，包括设于两侧的、互相呈夹角设置的侧换热部（1），设于两个侧换热部（1）之间的中间换热部（2），中间换热部（2）为背向两个侧换热部（1）的夹角朝向的内凹结构，中间换热部（2）的内凹侧边与其对应一侧的侧换热部（1）通过弧形段平滑过渡连接。通过改变卡式空调的换热器的换热部结构，使卡式空调的送风***散热更加顺畅，从而提高换热效率，更加节省电能，使客户使用更佳。

Description

一种应用于卡式空调的换热器和卡式空调
本申请基于申请号为201910032557.6、申请日为2019.01.14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
本申请涉及空调技术领域，例如涉及一种应用于卡式空调的换热器和卡式空调。
背景技术
卡式空调又名吊顶式空调，是商用空调中的一种。相较于家用空调，其稳定性更好，制冷能力更强，温度也更可控，多用于一些办公室和商铺中。
在实现本公开实施例的过程中，发现相关技术中至少存在如下问题：
卡式空调的中间换热部为平面结构用于空调向室内送风，但是这种结构会导致空调送风***散热不畅，从而导致换热效率较低，浪费电能，无法满足用户需求。
发明内容
为了对披露的实施例的一些方面有基本的理解，下面给出了简单的概括。所述概括不是泛泛评述，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，而是作为后面的详细说明的序言。
本公开实施例提供了一种应用于卡式空调的换热器。
在一些实施例中，上述换热器包括：
设于两侧的、互相呈夹角设置的侧换热部；
设于两个侧换热部之间的中间换热部，中间换热部为背向两个侧换部的夹角朝向的内凹结构。
本公开实施例提供了一种卡式空调。
在一些实施例中，所述卡式空调包括上述的换热器，其中，换热器的 两个侧换热部对应卡式空调的进风口设置，中间换热部对应卡式空调的出风口设置。
本公开实施例提供的一些技术方案可以实现以下技术效果：
本公开实施例提供的技术方案可以包括以下有益效果：通过改变卡式空调的换热器的换热部结构，使卡式空调的送风***散热更加顺畅，从而提高换热效率，更加节省电能，使客户使用更佳。
以上的总体描述和下文中的描述仅是示例性和解释性的，不用于限制本申请。
附图说明
一个或多个实施例通过与之对应的附图进行示例性说明，这些示例性说明和附图并不构成对实施例的限定，附图中具有相同参考数字标号的元件示为类似的元件，附图不构成比例限制，并且其中：
图1是本公开实施例提供的一种空调加湿***应用于卡式空调的换热器的结构示意图；
图2是本公开实施例提供的一种空调加湿***应用于卡式空调的换热器的结构示意图。
附图标记：
1：侧换热部；2：中间换热部；21：第一中间换热部；22：第二中间换热部；11：第一侧换热部；12：第二侧换热部。
具体实施方式
以下描述和附图充分地示出本文的具体实施方案，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。本文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，术语“第一”、“第二”等仅被用来将一个元素与另一个元素区分开来，而不要求或者暗示这些元素之间存在任何实际的关系或者顺序。实际上第一元素也能够被称为第二元素，反之亦然。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的结构、装置或者设备不仅包 括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种结构、装置或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的结构、装置或者设备中还存在另外的相同要素。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。
本文中的术语“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文和简化描述，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。在本文的描述中，除非另有规定和限定，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。
本文中，除非另有说明，术语“多个”表示两个或两个以上。
本文中，字符“/”表示前后对象是一种“或”的关系。例如，A/B表示：A或B。
本文中，术语“和/或”是一种描述对象的关联关系，表示可以存在三种关系。例如，A和/或B，表示：A或B，或，A和B这三种关系。
在一些可选实施例中，提供了一种应用于卡式空调的换热器，包括设于两侧的、互相呈夹角设置的侧换热部1；和设于两个侧换热部1之间的中间换热部2，中间换热部2为背向两个侧换部的夹角朝向的内凹结构。
可选地，侧换热部1可以为卡式空调的出风部，中间换热部2可以为卡式空调的回风部，或者也可以侧换热部1为卡式空调的回风部，中间换热部2为卡式空调的出风部。
本文中，侧换热部1设于中间换热部2的两侧，两个侧换热部1呈夹角设置是指，即若假设其中一个侧换热部1不动，将另一侧换热部1向其方向移动，当两个侧换热部1有一个边交叉时，两个侧换热部1的不能整个平面重合，其两平面呈一定的角度，这里，对该角度不作限定。
可选地，该中间换热部2的结构包括第一中间换热部21和第二中间换热部22，第一中间换热部21与第二中间换热部22可以为对称结构，该两个侧换热部1结构包括第一侧换热部11和第二侧换热部12，第一侧换热部11与第二侧换热部12可以为对称结构。
可选地，侧换热部1和中间换热部2均可以设有通风孔，当通过侧换热部1的通风孔进风时，由于两个侧换热部1呈一定的角度，不在同一个平面上，利用CFD仿真风速场，设置当第一中间换热部21和第二中间换热部22在同一个平面时，即第一中间换热部21和第二中间换热部22夹角为180度时，设置第一中间换热部21与第一侧换热部11夹角为144.9度，第二中间换热部22与第二侧换热部12夹角为144.8度，当经第一侧换热部11和第二侧换热部12的进风风速为1.6米每秒时，测得经第一中间换热部21和第二中间换热部22的流出风速只为0.6米每秒，说明当中间换热部2为一个平面时，卡式空调内部循环不畅，换热效率较低，会导致浪费电能。通过调整第一中间换热部21和第二中间换热部22的角度为90度，保持第一侧换热部11和第二侧换热部12的角度不变，此时第一中间换热部21和第二中间换热部22夹角为90度时，设置第一中间换热部21与第一侧换热部11夹角为99.9度，第二中间换热部22与第二侧换热部12夹角为99.8度，当经第一侧换热部11和第二侧换热部12的进风风速为1.48米每秒时，测得经第一中间换热部21和第二中间换热部22的流出风速分别为1.32米每秒和1.33米每秒。这样，通过改变卡式空调的换热器的换热部结构，使卡式空调的送风***散热更加顺畅，从而提高卡式空调的换热效率，更加节省电能，使客户使用更佳。
可选地，中间换热部2的内凹结构的两个内凹侧边之间的夹角为141度时，当经第一侧换热部11和第二侧换热部12的进风风速为1.58米每秒时，测得经第一中间换热部21和第二中间换热部22的流出风速只为1.2米每秒。这样，通过改变卡式空调的换热器的换热部结构，使卡式空调的送风***散热更加顺畅，从而提高卡式空调的换热效率，更加节省电能，使客户使用更佳。
可选地，中间换热部2的内凹结构的内凹深度为0mm，此时第一中间换热部21和第二中间换热部22在同一个平面时，即第一中间换热部21 和第二中间换热部22夹角为180度时，设置第一中间换热部21与第一侧换热部11夹角为144.9度，第二中间换热部22与第二侧换热部12夹角为144.8度，当经第一侧换热部11和第二侧换热部12的进风风速为1.6米每秒时，测得经第一中间换热部21和第二中间换热部22的流出风速只为0.6米每秒，说明当中间换热部2为一个平面时，卡式空调内部循环不畅，换热效率较低，会导致浪费电能。
可选地，中间换热部2的内凹结构的内凹深度为152mm，此时第一中间换热部21与第二中间换热部22的夹角为103度，此时经第一侧换热部11和第二侧换热部12的进风风速为1.48米每秒时，测得经第一中间换热部21和第二中间换热部22的流出风速分别为1.26米每秒和1.27米每秒。这样，通过改变卡式空调的换热器的换热部结构，使卡式空调的送风***散热更加顺畅，从而提高卡式空调的换热效率，更加节省电能，使客户使用更佳。
可选地，中间换热部2的内凹结构的最大度为宽度127mm-162mm。试验表明，当中间换热部2的内凹结构宽度小于127mm或者大于162mm时，中间换热部2的流出风速将下降，换热效率降低。所以，中间换热部2的内凹结构的宽度限定为127mm-162mm。这样，通过改变卡式空调的换热器的换热部结构，使卡式空调的送风***散热更加顺畅，从而提高卡式空调的换热效率，更加节省电能，使客户使用更佳。
可选地，中间换热部2的内凹侧边与其对应一侧的侧换热部1垂直设置。
可选地，利用CFD仿真风速场，第一中间换热部21和第二中间换热部22的角度为70.3度，保持第一侧换热部11和第二侧换热部12的角度不变，此时第一中间换热部21和第二中间换热部22夹角为70.3度时，设置第一中间换热部21与第一侧换热部11夹角为90度，第二中间换热部22与第二侧换热部12夹角为90度，当经第一侧换热部11和第二侧换热部12的进风风速为1.48米每秒时，测得经第一中间换热部21和第二中间换热部22的流出风速分别为1.34米每秒和1.34米每秒，这样，通过改变卡式空调的换热器的换热部结构，使卡式空调的送风***散热更加顺畅，从而提高卡式空调的换热效率，更加节省电能，使客户使用更佳。
可选地，中间换热部2的内凹侧边与其对应一侧的侧换热部1通过弧形段平滑过渡连接。
可选地，中间换热部2的内凹侧边与其对应一侧的侧换热部1可以为通过弧形段平滑过渡连接，根据气体在流线型表面运动时所受的阻力较小，因为可以避免涡旋的形成，从而大大减小了气体流动时的阻力，使同样的进风速度下，出风更加顺畅，这样，通过改变卡式空调的换热器的换热部结构，使卡式空调的送风***散热更加顺畅，从而提高卡式空调的换热效率，更加节省电能，使客户使用更佳。
可选地，中间换热部2的每一侧的内凹侧边与其对应一侧的侧换热部1为一体结构。一体结构可以在既不影响散热的情况下，使卡式空调的换热部作为一个整体，更加稳定，减小故障率，也避免了部件之间的摩擦消耗，当卡式空调工作时，中间换热部2与侧换热部1必然会产生一些微小的振动，产生闪缝，不仅杂质容易从微小缝隙中进入空调机体，还会造成卡式空调各部件间的磨损，而将第一中间换热部21第一侧换热部11制造为一体结构，第二中间换热部22第二侧换热部12也制造为一体结构，这样，通过改变卡式空调的换热器的换热部结构，使卡式空调的送风***散热更加顺畅，从而提高卡式空调的换热效率，更加节省电能，使客户使用更佳。
可选地，换热器为对称结构。
可选地，该中间换热部2的结构包括第一中间换热部21和第二中间换热部22，第一中间换热部21与第二中间换热部22可以为对称结构，该两个侧换热部1结构包括第一侧换热部11和第二侧换热部12，第一侧换热部11与第二侧换热部12可以为对称结构。这样，通过改变卡式空调的换热器的换热部结构，使卡式空调的送风***散热更加顺畅，从而提高卡式空调的换热效率，更加节省电能，使客户使用更佳。
本公开实施例还提供了一种卡式空调，包括如上述任意可选实施例所述的换热器，其中，换热器的两个侧换热部1对应卡式空调的进风口设置，中间换热部2对应卡式空调的出风口设置。
可选地，换热器可以包括设于两侧的、互相呈夹角设置的侧换热部1；和设于两个侧换热部1之间的中间换热部2，中间换热部2为背向两个侧换部的夹角朝向的内凹结构，这样，通过改变卡式空调的换热器的换热部 结构，使卡式空调的送风***散热更加顺畅，从而提高卡式空调的换热效率，更加节省电能，使客户使用更佳。
可选地，该中间换热部2的结构包括第一中间换热部21和第二中间换热部22，第一中间换热部21与第二中间换热部22可以为对称结构，该两个侧换热部1结构包括第一侧换热部11和第二侧换热部12，第一侧换热部11与第二侧换热部12可以为对称结构，这样，通过改变卡式空调的换热器的换热部结构，使卡式空调的送风***散热更加顺畅，从而提高卡式空调的换热效率，更加节省电能，使客户使用更佳。
可选地中间换热部2的内凹侧边与其对应一侧的侧换热部1可以为通过弧形段平滑过渡连接，根据气体在流线型表面运动时所受的阻力较小，因为可以避免涡旋的形成，从而大大减小了气体流动时的阻力，使同样的进风速度下，出风更加顺畅，这样，通过改变卡式空调的换热器的换热部结构，使卡式空调的送风***散热更加顺畅，从而提高卡式空调的换热效率，更加节省电能，使客户使用更佳。
本公开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。本公开的范围仅由所附的权利要求来限制。

Claims (9)

  1. 一种应用于卡式空调的换热器，其特征在于，所述换热器包括：
    设于两侧的、互相呈夹角设置的侧换热部；
    设于两个所述侧换热部之间的中间换热部，所述中间换热部为背向两个所述侧换部的夹角朝向的内凹结构。
  2. 根据权利要求1所述的换热器，其特征在于，所述中间换热部的内凹结构的两个内凹侧边之间的夹角范围为90度-141度。
  3. 根据权利要求1所述的换热器，其特征在于，所述中间换热部的内凹结构的内凹深度为0-125mm。
  4. 根据权利要求1所述的换热器，其特征在于，所述中间换热部的内凹结构的最大宽度为127mm-162mm。
  5. 根据权利要求1所述的换热器，其特征在于，所述中间换热部的内凹侧边与其对应一侧的所述侧换热部垂直设置。
  6. 根据权利要求1或5所述的换热器，其特征在于，所述中间换热部的所述内凹侧边与其对应一侧的所述侧换热部通过弧形段平滑过渡连接。
  7. 根据权利要求1所述的换热器，其特征在于，所述中间换热部的每一侧的所述内凹侧边与其对应一侧的所述侧换热部为一体结构。
  8. 根据权利要求1所述的换热器，其特征在于，所述换热器为对称结构。
  9. 一种卡式空调，其特征在于，所述卡式空调具有如权利要求1-8的任一项所述的换热器，其中，所述换热器的两个所述侧换热部对应所述卡式空调的进风口设置，所述中间换热部对应所述卡式空调的出风口设置。
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