WO2016119473A1 - 一种空调室内机冷交换系统 - Google Patents

一种空调室内机冷交换系统 Download PDF

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Publication number
WO2016119473A1
WO2016119473A1 PCT/CN2015/090112 CN2015090112W WO2016119473A1 WO 2016119473 A1 WO2016119473 A1 WO 2016119473A1 CN 2015090112 W CN2015090112 W CN 2015090112W WO 2016119473 A1 WO2016119473 A1 WO 2016119473A1
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Prior art keywords
air
air outlet
fan
indoor unit
exchange system
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Ceased
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PCT/CN2015/090112
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English (en)
French (fr)
Inventor
付桂文
王雄程
向其相
陈始坤
罗超荣
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Zhongshan Broad Ocean Motor Co Ltd
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Zhongshan Broad Ocean Motor Co Ltd
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Publication of WO2016119473A1 publication Critical patent/WO2016119473A1/zh
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers

Definitions

  • the utility model relates to an air conditioner indoor unit cold exchange system.
  • the existing air-conditioning indoor unit cold exchange system mainly comprises an air-conditioning box body, a cold exchanger and a fan, and a cavity is opened in the middle of the air-conditioning box body, and an air inlet port and an air outlet port are respectively arranged on both end faces of the air-conditioning box body, and the cold exchanger Installed in the cavity and behind the air inlet, the fan is installed inside the cavity and behind the cold exchanger.
  • the airflow cooled by the cold exchanger enters the fan from the air inlet of the fan and exits from the exhaust port of the fan.
  • the airflow discharged from the air outlet of the fan is outputted from the air outlet of the air conditioner housing.
  • the airflow discharged from the air outlet of the fan is directly discharged to the air outlet of the air conditioning box, or is connected by a cylindrical or cylindrical air outlet duct, but the connection is
  • the structure makes the air flow conversion of the cold exchange system slow, the load efficiency is reduced, and the noise is generated during the operation of the system, which are not expected by the customer.
  • the purpose of the utility model is to provide a cold exchange system for an indoor unit of an air conditioner, wherein the second air outlet of the fan is closely connected with the first air outlet of the air conditioner box through a flared air outlet duct, which can speed up the system.
  • Wind flow conversion increases system efficiency and reduces motor cost and system noise with equivalent performance requirements.
  • the air conditioner indoor unit cold exchange system comprises an air conditioner box, a cold exchanger and a fan, wherein a cavity is opened in the middle of the air conditioner box, and a first air inlet and a first air outlet are respectively arranged on both end faces of the air conditioner box, The first air inlet and the first air outlet are all connected to the cavity, the cold exchanger is installed inside the cavity and behind the first air inlet, the fan is installed inside the cavity and is located behind the cold exchanger, and the fan is arranged There is a second air inlet and a second air outlet, and the second air outlet and the first air outlet are closely connected by an air outlet, and the air outlet is along the second air outlet to the first air outlet. The direction is flared.
  • the fan described above comprises a volute, a first outer rotor motor and a centrifugal wind wheel, the first outer rotor motor and the centrifugal wind wheel are mounted inside the volute, wherein the centrifugal wind wheel is nested outside the first outer rotor motor, in the worm
  • An open second air inlet is formed on each of the two sides of the shell, and a second air outlet is formed on the end surface of the volute.
  • the first outer rotor motor described above comprises a rotating shaft, a stator assembly, a rotor assembly and an end cover.
  • the stator assembly is mounted on the rotating shaft
  • the rotor assembly is nested outside the stator assembly
  • the end cover is mounted at the end of the rotor assembly
  • the rotating shaft is supported by the rotating shaft.
  • the bearing of the end cover and the two ends of the rotating shaft respectively protrude outward from the middle of the end cover, and the two shaft extension ends of the rotating shaft are respectively supported on the motor bracket, and the motor bracket is installed at the position of the second air inlet on the side of the volute.
  • the second air outlet of the volute described above has a trumpet shape.
  • the fan described above comprises a fan casing, a mounting bracket, a second outer rotor motor, a sleeve and a plurality of blades, a cavity is opened in the middle of the fan casing, and a second air inlet and a second air inlet are formed at both ends of the cavity.
  • Two air outlets, the first air inlet, the second air inlet, the second air outlet and the first air outlet are located in a straight line
  • the second outer rotor motor is installed in the cavity of the fan casing through the mounting bracket, the sleeve Nested outside the second outer rotor motor, a number of vanes are mounted on the outer surface of the sleeve.
  • the sleeve described above is a truncated cone having a front narrow and a wide front.
  • the blades described above are inclined to the axial flow direction and the centrifugal direction of the sleeve.
  • a mounting plate is disposed between the second air outlet of the fan and the air outlet duct, and the fan is installed in the cavity of the air conditioning box through the mounting plate.
  • the cold exchanger described above has a V-shape.
  • the above-mentioned air outlet duct has a bell mouth shape in either the longitudinal direction and the transverse direction or a combination direction thereof.
  • the second air outlet is closely connected with the first air outlet through the air outlet duct, and the air outlet duct is flared along the second air outlet to the first air outlet, which can speed up
  • the system's airflow conversion increases the efficiency of the system and reduces motor cost and system noise under the same performance requirements
  • the first outer rotor motor and the centrifugal wind wheel are mounted inside the volute, wherein the centrifugal wind wheel is nested in the first Outside the outer rotor motor, an open second air inlet is formed on both sides of the volute, and a second air outlet is formed on the end surface of the volute, and the two shaft extension ends of the shaft are respectively supported on the motor bracket, and the motor bracket is mounted on the worm
  • the position of the second air inlet on the side of the shell, the first outer rotor motor and the centrifugal wind wheel are suspended in the volute by the motor bracket, and the second air inlet is not blocked on both sides of the volute, and the wind resistance of the whole machine is small.
  • the centrifugal wind wheel simultaneously draws airflow from the second air inlet on both sides of the volute, the air inlet on both sides is smooth and balanced, the intake and output air volume is increased, and the resonance probability is extremely small, and the air blowing efficiency of the whole air conditioner indoor unit cold exchange system is high;
  • a cavity is opened in the middle of the fan casing, and a second air inlet and a second air outlet are formed at both ends of the cavity, and the first air inlet, the second air inlet, the second air outlet and the first air outlet are located at a position In the straight line, the flow path from the first air inlet of the air conditioning box to the second air inlet of the fan casing is the shortest, which can effectively reduce the loss of air volume and improve the air blowing efficiency of the cold air exchange system of the whole air conditioner indoor unit;
  • the sleeve is a round-sleeve type sleeve with a narrow front and a wide width. It is a combination of the axial flow fan structure and the centrifugal fan structure. The structure is simple, the air volume is large, the static pressure is large, the efficiency is high, the noise is small, and the customer is increasingly improved. Claim;
  • the blade is inclined to the axial flow direction and the centrifugal direction of the sleeve.
  • the wind blade can make the wind flow form a slanting axial flow direction and a centrifugal flow, compared with the conventional In the simple axial flow direction or the simple centrifugal flow, the wind flow will be larger and the static pressure will be larger.
  • Figure 1 is a perspective view of the air conditioning indoor unit cold exchange system of the first embodiment
  • Figure 2 is an exploded view of the air conditioning indoor unit cold exchange system of the first embodiment
  • FIG. 3 is a schematic structural view of an air conditioner indoor unit cold exchange system in the first embodiment
  • Figure 4 is a perspective view of the fan in the first embodiment
  • Figure 5 is a schematic structural view of an air conditioner indoor unit cold exchange system in the second embodiment
  • Figure 6 is a perspective view of an angle of the fan in the second embodiment
  • Figure 7 is a perspective view of another angle of the fan in the second embodiment
  • Figure 8 is an exploded view of the fan in the second embodiment
  • Figure 9 is a schematic view showing the structure of a fan in the second embodiment.
  • Embodiment 1 As shown in FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , the embodiment is an air conditioning indoor unit cold exchange system, including an air conditioning box 1 , a cold exchanger 2 and a fan 3 , in an air conditioning cabinet 1 is provided with a cavity 11 in the middle and a first air inlet 12 and a first air outlet 13 are respectively disposed on both end faces of the air-conditioning case 1. The first air inlet 12 and the first air outlet 13 are connected to the cavity 11 and are cold.
  • the exchanger 2 is mounted inside the cavity 11 and behind the first air inlet 12, the fan 3 is mounted inside the cavity 11 and behind the cold exchanger 2, and the fan 3 is provided with a second air inlet 31 and a second
  • the air outlet 32, the second air outlet 32 and the first air outlet 13 are tightly connected by the air outlet duct 4, and the air outlet duct 4 is along the second air outlet 32 to the first air outlet 13 It flares in a flared shape.
  • the fan 3 includes a volute 33, a first outer rotor motor 34 and a centrifugal wind wheel 35.
  • the first outer rotor motor 34 and the centrifugal wind wheel 35 are mounted inside the volute 33, wherein the centrifugal wind wheel 35 is nested first.
  • the first outer rotor motor 34 includes a rotating shaft 341, a stator assembly 342, a rotor assembly 343 and an end cover 344.
  • the stator assembly 342 is mounted on the rotating shaft 341, the rotor assembly 343 is nested outside the stator assembly 342, and the end cover 344 is mounted on the rotating shaft 341.
  • the rotating shaft 341 is supported on the bearing of the two end covers 344, and the two ends of the rotating shaft 341 extend outward from the middle of the end cover 344, respectively.
  • the two shaft ends of the rotating shaft 341 are respectively supported on the motor bracket 345, the motor bracket 345
  • the second air outlet of the volute 33 has a trumpet shape.
  • a mounting plate 6 is provided between the second air outlet 32 of the fan 3 and the air outlet duct 4, and the fan 3 is mounted in the cavity 11 of the air conditioning cabinet 1 via the mounting plate 6.
  • the cold exchanger 2 has a V-shape.
  • the air outlet duct 4 has a bell mouth shape in either the longitudinal direction and the transverse direction or a combination thereof.
  • Embodiment 2 As shown in FIG. 5, FIG. 6, FIG. 7, FIG. 8 and FIG. 9, this embodiment is an air conditioner indoor unit cold exchange system, including an air conditioner box 1, a cold exchanger 2 and a fan 3,
  • the air conditioning cabinet 1 is opened in the middle
  • the first air inlet 12 and the first air outlet 13 are respectively disposed on the two end faces of the air-conditioning box 1, and the first air inlet 12 and the first air outlet 13 are both connected to the cavity 11, and the cold exchanger 2 is installed.
  • the fan 3 Inside the cavity 11 and behind the first air inlet 12, the fan 3 is mounted inside the cavity 11 and behind the cold exchanger 2, and the fan 3 is provided with a second air inlet 31 and a second air outlet 32.
  • the second air outlet 32 and the first air outlet 13 are tightly connected by the air outlet duct 4, and the air outlet duct 4 is flared along the second air outlet 32 toward the first air outlet 13 expansion.
  • the fan 3 includes a fan casing 51, a mounting bracket 52, a second outer rotor motor 53, a sleeve 54 and a plurality of blades 55.
  • the fan casing 51 is provided with a cavity 510 in the middle of the fan casing 51 and two in the cavity 510.
  • the second air inlet 31 and the second air outlet 32 are formed at the end, and the first air inlet 12, the second air inlet 31, the second air outlet 32 and the first air outlet 13 are located in a straight line, and the second outer portion is mounted by the mounting bracket 52.
  • the rotor motor 53 is mounted inside the cavity 510 of the fan casing 51.
  • the sleeve 54 is nested outside the second outer rotor motor 53, and a plurality of vanes 55 are mounted on the outer surface of the sleeve 54.
  • the sleeve 54 is a truncated cone that is narrow and wide at the front.
  • the vane 55 is inclined to the axial flow direction A1 of the sleeve 54 and the centrifugal direction A2.
  • a mounting plate 6 is provided between the second air outlet 32 of the fan 3 and the air outlet duct 4, and the fan 3 is mounted in the cavity 11 of the air conditioning cabinet 1 via the mounting plate 6.
  • the cold exchanger 2 has a V-shape.
  • the air outlet duct 4 has a bell mouth shape in either the longitudinal direction and the transverse direction or a combination thereof.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)

Abstract

一种空调室内机冷交换系统，包括空调箱体（1）、冷交换器（2）和风机（3），在空调箱体（1）中间开设有空腔（11）并在空调箱体（1）的两端面上分别设置第一进风口（12）和第一出风口（13），第一进风口（12）、第一出风口（13）都与空腔（11）连通，冷交换器（2）安装在空腔（11）里面并且位于第一进风口（12）后方，风机（3）安装在空腔（11）里面并且位于冷交换器（2）后方，风机（3）上设置有第二进风口（31）和第二出风口（32），第二出风口（32）与第一出风口（13）之间通过出风风道（4）紧密连接在一起，出风风道（4）沿第二出风口（32）往第一出风口（13）的方向上呈喇叭状扩张。采用该结构，可加快系统的风流转换，增加系统的效率，并且在同等性能要求的情况下，能降低电机成本和系统噪音。

Description

一种空调室内机冷交换系统 技术领域：
本实用新型涉及一种空调室内机冷交换系统。
背景技术：
现有的空调室内机冷交换系统主要包括空调箱体、冷交换器和风机，在空调箱体中间开设有空腔并在空调箱体的两端面上分别设置进风口和出风口，冷交换器安装在空腔里面并且位于进风口后方，风机安装在空腔里面并且位于冷交换器后方，经过冷交换器冷却的气流从风机的入风口进入到风机里面后从风机的排风口排出，从风机排风口排出的气流从空调箱体的出风口往外输出。现有的空调室内机冷交换系统中，从风机排风口排出的气流直接排向空调箱体的出风口，或者通过柱形、圆筒形的出风风道连接在一起，但是这种连接结构使得冷交换系统的风流转换变慢、负载效率降低，并且在系统工作的过程中产生较大的噪音，这些都不是客户所期望的。
发明内容：
本实用新型的目的是提供一种空调室内机冷交换系统，风机的第二出风口与空调箱体的第一出风口之间通过喇叭形的出风风道紧密连接在一起，可以加快系统的风流转换，增加系统的效率，并且在同等性能要求的情况下，能降低电机成本和系统噪音。
本实用新型的目的是通过下述技术方案予以实现的。
一种空调室内机冷交换系统，包括空调箱体、冷交换器和风机，在空调箱体中间开设有空腔并在空调箱体的两端面上分别设置第一进风口和第一出风口，第一进风口、第一出风口都与空腔连通，冷交换器安装在空腔里面并且位于第一进风口后方，风机安装在空腔里面并且位于冷交换器后方，所述的风机上设置有第二进风口和第二出风口，第二出风口与第一出风口之间通过出风风道紧密连接在一起，所述的出风风道沿第二出风口往第一出风口的方向上呈喇叭状扩张。
上述所述的风机包括蜗壳、第一外转子电机和离心风轮，第一外转子电机和离心风轮安装在蜗壳里面，其中离心风轮嵌套在第一外转子电机外面，在蜗壳的两侧面上分别形成敞开的第二进风口，蜗壳的端面上形成第二出风口。
上述所述的第一外转子电机包括转轴、定子组件、转子组件和端盖，定子组件安装在转轴上，转子组件嵌套在定子组件外面，端盖安装在转子组件端部，转轴支承在两端盖的轴承上并且转轴两端分别从端盖中间往外伸出，转轴的两轴伸端分别支承在电机支架上，电机支架安装在蜗壳侧面上的第二进风口的位置。
上述所述的蜗壳的第二出风口呈喇叭状。
上述所述的风机包括风机壳体、安装支架、第二外转子电机、套筒和若干风叶，风机壳体中间开设有容腔并在容腔的两端形成第二进风口和第二出风口，第一进风口、第二进风口、第二出风口和第一出风口位于一条直线上，通过安装支架把第二外转子电机安装在风机壳体的容腔里面，套筒嵌套安装在第二外转子电机外面，在套筒的外表面上安装有若干风叶。
上述所述的套筒是一前窄后宽的圆台型套筒。
上述所述的风叶倾斜于套筒的轴流方向和离心方向。
上述所述的在风机的第二出风口与出风风道之间设置有安装板，通过安装板把风机安装在空调箱体的空腔里面。
上述所述的冷交换器的外形呈V字形。
上述所述的出风风道在纵、横任一方向或其组合方向上呈喇叭口形状。
本实用新型与现有技术相比，具有如下效果：
1)第二出风口与第一出风口之间通过出风风道紧密连接在一起，所述的出风风道沿第二出风口往第一出风口的方向上呈喇叭状扩张，可以加快系统的风流转换，增加系统的效率，并且在同等性能要求的情况下，能降低电机成本和系统噪音；
2)第一外转子电机和离心风轮安装在蜗壳里面，其中离心风轮嵌套在第一 外转子电机外面，在蜗壳的两侧面上分别形成敞开的第二进风口，蜗壳的端面上形成第二出风口，转轴的两轴伸端分别支承在电机支架上，电机支架安装在蜗壳侧面上的第二进风口的位置，第一外转子电机与离心风轮被电机支架悬吊在蜗壳内，并没有阻塞到蜗壳两侧面上的第二进风口，整机风阻小，离心风轮同时从蜗壳两侧面上的第二进风口吸入气流，两侧进风顺畅均衡，进、出风量增大，且产生共振机率极小，整套空调室内机冷交换系统吹风效率高；
3)蜗壳的第二出风口呈喇叭状，可以进一步加快系统的风流转换，增加系统的效率；
4)风机壳体中间开设有容腔并在容腔的两端形成第二进风口和第二出风口，第一进风口、第二进风口、第二出风口和第一出风口位于一条直线上，气流从空调箱体的第一进风口流入风机壳体的第二进风口的路径最短，可以有效减少风量的流失，提高整套空调室内机冷交换系统吹风效率；
5)套筒是一前窄后宽的圆台型套筒，是轴流风机结构和离心风机结构的结合，该结构简单、风量大、静压大、效率高、噪音小，满足客户日益提高的要求；
6)风叶倾斜于套筒的轴流方向和离心方向，当风机壳体中的风流从风叶流过时，风叶可以使风流形成倾斜轴流方向与离心方向的风流，相比于传统单纯的轴流方向或者单纯的离心方向的风流，该风流会更大、静压也更大。
附图说明：
图1是实施例一中空调室内机冷交换系统的立体图；
图2是实施例一中空调室内机冷交换系统的分解图；
图3是实施例一中空调室内机冷交换系统的结构示意图；
图4是实施例一中风机的立体图；
图5是实施例二中空调室内机冷交换系统的结构示意图；
图6是实施例二中风机一个角度的立体图；
图7是实施例二中风机另一个角度的立体图；
图8是实施例二中风机的分解图；
图9是实施例二中风机的结构示意图。
具体实施方式：
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。
实施例一：如图1、图2、图3和图4所示，本实施例是一种空调室内机冷交换系统，包括空调箱体1、冷交换器2和风机3，在空调箱体1中间开设有空腔11并在空调箱体1的两端面上分别设置第一进风口12和第一出风口13，第一进风口12、第一出风口13都与空腔11连通，冷交换器2安装在空腔11里面并且位于第一进风口12后方，风机3安装在空腔11里面并且位于冷交换器2后方，所述的风机3上设置有第二进风口31和第二出风口32，第二出风口32与第一出风口13之间通过出风风道4紧密连接在一起，所述的出风风道4沿第二出风口32往第一出风口13的方向上呈喇叭状扩张。所述的风机3包括蜗壳33、第一外转子电机34和离心风轮35，第一外转子电机34和离心风轮35安装在蜗壳33里面，其中离心风轮35嵌套在第一外转子电机34外面，在蜗壳33的两侧面上分别形成敞开的第二进风口31，蜗壳33的端面上形成第二出风口32。所述的第一外转子电机34包括转轴341、定子组件342、转子组件343和端盖344，定子组件342安装在转轴341上，转子组件343嵌套在定子组件342外面，端盖344安装在转子组件343端部，转轴341支承在两端盖344的轴承上并且转轴341两端分别从端盖344中间往外伸出，转轴341的两轴伸端分别支承在电机支架345上，电机支架345安装在蜗壳33侧面上的第二进风口31的位置。蜗壳33的第二出风口呈喇叭状。在风机3的第二出风口32与出风风道4之间设置有安装板6，通过安装板6把风机3安装在空调箱体1的空腔11里面。所述的冷交换器2的外形呈V字形。出风风道4在纵、横任一方向或其组合方向上呈喇叭口形状。
实施例二：如图5、图6、图7、图8和图9所示，本实施例是一种空调室内机冷交换系统，包括空调箱体1、冷交换器2和风机3，在空调箱体1中间开设有 空腔11并在空调箱体1的两端面上分别设置第一进风口12和第一出风口13，第一进风口12、第一出风口13都与空腔11连通，冷交换器2安装在空腔11里面并且位于第一进风口12后方，风机3安装在空腔11里面并且位于冷交换器2后方，所述的风机3上设置有第二进风口31和第二出风口32，第二出风口32与第一出风口13之间通过出风风道4紧密连接在一起，所述的出风风道4沿第二出风口32往第一出风口13的方向上呈喇叭状扩张。所述的风机3包括风机壳体51、安装支架52、第二外转子电机53、套筒54和若干风叶55，风机壳体51中间开设有容腔510并在容腔510的两端形成第二进风口31和第二出风口32，第一进风口12、第二进风口31、第二出风口32和第一出风口13位于一条直线上，通过安装支架52把第二外转子电机53安装在风机壳体51的容腔510里面，套筒54嵌套安装在第二外转子电机53外面，在套筒54的外表面上安装有若干风叶55。套筒54是一前窄后宽的圆台型套筒。所述的风叶55倾斜于套筒54的轴流方向A1和离心方向A2。在风机3的第二出风口32与出风风道4之间设置有安装板6，通过安装板6把风机3安装在空调箱体1的空腔11里面。所述的冷交换器2的外形呈V字形。出风风道4在纵、横任一方向或其组合方向上呈喇叭口形状。
以上实施例为本发明的较佳实施方式，但本发明的实施方式不限于此，其他任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均为等效的置换方式，都包含在本发明的保护范围之内。

Claims (10)

  1. 一种空调室内机冷交换系统，包括空调箱体(1)、冷交换器(2)和风机(3)，在空调箱体(1)中间开设有空腔(11)并在空调箱体(1)的两端面上分别设置第一进风口(12)和第一出风口(13)，第一进风口(12)、第一出风口(13)都与空腔(11)连通，冷交换器(2)安装在空腔(11)里面并且位于第一进风口(12)后方，风机(3)安装在空腔(11)里面并且位于冷交换器(2)后方，所述的风机(3)上设置有第二进风口(31)和第二出风口(32)，其特征在于：第二出风口(32)与第一出风口(13)之间通过出风风道(4)紧密连接在一起，所述的出风风道(4)沿第二出风口(32)往第一出风口(13)的方向上呈喇叭状扩张。
  2. 根据权利要求1所述的一种空调室内机冷交换系统，其特征在于：所述的风机(3)包括蜗壳(33)、第一外转子电机(34)和离心风轮(35)，第一外转子电机(34)和离心风轮(35)安装在蜗壳(33)里面，其中离心风轮(35)嵌套在第一外转子电机(34)外面，在蜗壳(33)的两侧面上分别形成敞开的第二进风口(31)，蜗壳(33)的端面上形成第二出风口(32)。
  3. 根据权利要求2所述的一种空调室内机冷交换系统，其特征在于：所述的第一外转子电机(34)包括转轴(341)、定子组件(342)、转子组件(343)和端盖(344)，定子组件(342)安装在转轴(341)上，转子组件(343)嵌套在定子组件(342)外面，端盖(344)安装在转子组件(343)端部，转轴(341)支承在两端盖(344)的轴承上并且转轴(341)两端分别从端盖(344)中间往外伸出，转轴(341)的两轴伸端分别支承在电机支架(345)上，电机支架(345)安装在蜗壳(33)侧面上的第二进风口(31)的位置。
  4. 根据权利要求2或3所述的一种空调室内机冷交换系统，其特征在于：蜗壳(33)的第二出风口呈喇叭状。
  5. 根据权利要求1所述的一种空调室内机冷交换系统，其特征在于：所述的风机(3)包括风机壳体(51)、安装支架(52)、第二外转子电机(53)、套 筒(54)和若干风叶(55)，风机壳体(51)中间开设有容腔(510)并在容腔(510)的两端形成第二进风口(31)和第二出风口(32)，第一进风口(12)、第二进风口(31)、第二出风口(32)和第一出风口(13)位于一条直线上，通过安装支架(52)把第二外转子电机(53)安装在风机壳体(51)的容腔(510)里面，套筒(54)嵌套安装在第二外转子电机(53)外面，在套筒(54)的外表面上安装有若干风叶(55)。
  6. 根据权利要求5所述的一种空调室内机冷交换系统，其特征在于：套筒(54)是一前窄后宽的圆台型套筒。
  7. 根据权利要求5或6所述的一种空调室内机冷交换系统，其特征在于：所述的风叶(55)倾斜于套筒(54)的轴流方向A1和离心方向A2。
  8. 根据权利要求1或2或3或5或6所述的一种空调室内机冷交换系统，其特征在于：在风机(3)的第二出风口(32)与出风风道(4)之间设置有安装板(6)，通过安装板(6)把风机(3)安装在空调箱体(1)的空腔(11)里面。
  9. 根据权利要求1或2或3或5或6所述的一种空调室内机冷交换系统，其特征在于：所述的冷交换器(2)的外形呈V字形。
  10. 根据权利要求1或2或3或5或6所述的一种空调室内机冷交换系统，其特征在于：所述的出风风道(4)在纵、横任一方向或其组合方向上呈喇叭口形状。
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