WO2017097014A1 - 压缩机及换热系统 - Google Patents

压缩机及换热系统 Download PDF

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Publication number
WO2017097014A1
WO2017097014A1 PCT/CN2016/100126 CN2016100126W WO2017097014A1 WO 2017097014 A1 WO2017097014 A1 WO 2017097014A1 CN 2016100126 W CN2016100126 W CN 2016100126W WO 2017097014 A1 WO2017097014 A1 WO 2017097014A1
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Prior art keywords
compressor
chamber
gas
compression member
lubricating oil
Prior art date
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Ceased
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PCT/CN2016/100126
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English (en)
French (fr)
Inventor
李龙飞
陈家永
刘群波
余凯
傅英胜
许克
薛寒冬
李耀东
莫赤虎
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Publication of WO2017097014A1 publication Critical patent/WO2017097014A1/zh
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B31/00—Compressor arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—Component parts or details not otherwise provided for in this subclass
    • F25B2400/23—Separators

Definitions

  • the invention relates to the technical field of compressors, in particular to a compressor and a heat exchange system.
  • FIG. 1 One solution in the prior art is shown in FIG. 1.
  • the gas-liquid separator 2a is additionally selected for the compressor 1a in the air-conditioning system, and then the suction port of the compressor 1a is connected to the outlet of the gas-liquid separator 2a.
  • the assembly process of this structure is cumbersome.
  • FIG. 2 Another scheme in the prior art is shown in FIG. 2, and the compressor 1a has its own gas-liquid separation.
  • the gas-liquid separator 2a is located outside the compressor 1a. The two components are independent of each other, and the two are connected by a pipe, but the pipe connection link is completed in the process of manufacturing the compressor 1a. This combination means that the compressor has its own gas-liquid separation function.
  • the overall structure of the compressor 1a plus the gas-liquid separator 2a in the two schemes takes up a large space, which is disadvantageous for the layout of various components in the air-conditioning system, and also requires a compact arrangement of the pipelines, and The compressor generates noise during operation and affects the quality of the air conditioning system.
  • a first aspect of the invention provides a compressor comprising: a compression member and a housing, the housing at least partially surrounding the compression member, formed between the compression member and the housing a gas-liquid separation chamber comprising a first chamber for receiving a gas-liquid mixture from the evaporator and a second chamber for receiving The gas evaporating from the first chamber communicates with the suction port of the compression member and the second chamber.
  • a bottom of the compression member is provided with a lubricating oil storage area, and the housing is stored in the lubricating oil
  • the compression member is at least partially enclosed outside the zone.
  • the housing surrounds the compression member in the entire circumferential direction.
  • the housing partially surrounds the compression member in the circumferential direction.
  • the air inlet and the second chamber are connected by an air suction pipe, and the air suction pipe is provided with an oil return hole in the first cavity for using the gas-liquid mixture Lubricating oil is introduced into the compression member.
  • the housing is provided with an air inlet for introducing the gas-liquid mixture into the first chamber.
  • the bottom of the compression member is provided with heating means for heating the lubricating oil storage area.
  • the heating device comprises an electric heating belt.
  • a second aspect of the present invention provides a heat exchange system including the compressor of the above embodiment.
  • the heat exchange system is an air conditioning system.
  • the compressor of the embodiment of the present invention realizes a combination arrangement of the compression member and the gas-liquid separation member by at least partially surrounding the compression member and forming a gas-liquid separation chamber between the compression member and the housing.
  • the compressor can simultaneously have the functions of compressed gas and gas-liquid separation, thereby eliminating the space occupied by the pipe portion between the compressor and the gas-liquid separator in the prior art, so that the combination is tighter, thereby reducing the combined compression.
  • the machine's own volume which in turn reduces the space occupied; moreover, the reduction of the compressor footprint makes it easier to design the piping of the heat exchange system, and the selection of the gas-liquid separator is omitted; in addition, the housing at least partially surrounds the compression
  • the structure of the components reduces the noise generated by the compressor during operation.
  • FIG. 1 is a schematic view showing a connection structure of a compressor and a gas-liquid separator in the prior art
  • FIG. 2 is a schematic structural view of a compressor with a gas-liquid separator in the prior art
  • 3a and 3b are respectively a schematic view of the working principle and a half-sectional structure of the first embodiment of the compressor of the present invention
  • 4a and 4b are respectively a schematic view of the working principle and a half-sectional structure of the second embodiment of the compressor of the present invention
  • 5a and 5b are respectively a schematic view of a working principle and a half-sectional structure of a third embodiment of the compressor of the present invention.
  • 6a and 6b are respectively a schematic view of the working principle and a half-sectional structure of the fourth embodiment of the compressor of the present invention.
  • 1a-compressor 1a-compressor; 2a-gas-liquid separator; 1-compressor; 2-shell; 3-suction part suction port; 4-suction pipe; 5-return hole; 6-shell suction Port; 7-exhaust port; 8--baffle; 9-exhaust pipe; A-first chamber; B-second chamber.
  • the present invention provides a combined compressor, as shown in Figures 3a, 4a, 5a, 6a, and Figure 3b, 4b, 5b, 6b
  • the illustrated half-sectional view includes a compression member 1 and a housing 2 at least partially surrounding the compression member 1.
  • the compression member 1 can adopt a structure similar to that of a conventional compressor, and its internal space is defined as a compression chamber.
  • a gas-liquid separation chamber is formed between the compression member 1 and the casing 2, and all components of the common gas-liquid separator are provided in the gas-liquid separation chamber to form a gas-liquid separation member.
  • the gas-liquid separation chamber includes a first chamber A and a second chamber B.
  • the gas-liquid separation chamber is divided into a first chamber A located below and located by a partition 8 capable of achieving gas communication.
  • Upper second chamber B, the first chamber A is for receiving a gas-liquid mixture from the evaporator, and the second chamber B is for receiving evaporation from the first chamber A
  • the gas exiting, the suction port 3 of the compression member 1 and the second chamber B are in communication, for example, through the suction pipe 4 to ensure that the gas sucked by the compression member 1 is free of liquid, and the compression member 1 is used for the gas to be sucked.
  • the partial enclosing mentioned in this embodiment covers the case where the casing 2 surrounds the compression member 1 in an arbitrary direction in an arbitrary direction.
  • a combination of the compression member and the gas-liquid separation member is realized by at least partially surrounding the compression member and forming a gas-liquid separation chamber between the compression member and the housing, and the compressor can be simultaneously
  • the function of compressing gas and gas-liquid separation eliminates the space occupied by the pipe portion between the compressor and the gas-liquid separator in the prior art, so that the combination is tighter, thereby reducing the volume of the combined compressor. Further, the occupied space is reduced; moreover, the reduction of the compressor footprint is more convenient for the piping design of the heat exchange system, and the selection of the gas-liquid separator is omitted; in addition, the structure of the housing at least partially surrounding the compression member can be reduced. The noise generated when the small compressor is working.
  • the compression member 1 is provided with a lubricating oil storage area in which lubricating oil can be lubricated to ensure reliable operation of the compressor when the compressor is in operation.
  • the lubricating oil storage area is located at the compression member 1. bottom.
  • the housing 2 can enclose the compression member 1 throughout the height direction, this configuration
  • the utility model has the advantages that the noise generated during the operation of the compressor can be reduced, and the heat generated during the operation of the compressor can be taken away, thereby reducing the temperature of the lubricating oil, preventing the lubricating oil from decomposing or carbonizing at a high temperature, thereby using the lubricating oil.
  • the life is longer, but the lowering of the lubricating oil temperature will increase the solubility of the oil and have a certain influence on the lubrication effect. Therefore, this method requires the lubricating oil to have a lubricating effect when the solubility is high.
  • the housing 2 at least partially surrounds the compression member 1 outside of the lubricating oil storage area, which is the height direction of the housing 2
  • the upper portion encloses the compression member 1 and the exposed portion corresponds to the lubricating oil storage region.
  • the lubricating oil storage region is located at the bottom of the compression member 1, and the bottom portion is exposed for the purpose of providing a heating device, for example
  • the electric heating belt heats the lubricating oil when the heat exchange system is operated under low temperature conditions, thereby ensuring the lubrication effect.
  • the housing 2 encloses the compression member 1 throughout the circumferential direction, this arrangement It can reduce the noise generated when the compressor works while reducing the space occupied by the compressor.
  • the housing 2 partially encloses the compression portion in the circumferential direction
  • the arrangement for example, encircles the half circumference, the lesser half circumference or the more half circumference of the compression member 1, this arrangement further reduces the overall volume of the compressor, and is particularly suitable for use in heat exchange systems of small installation size.
  • the first embodiment is that the housing 2 completely encloses the compression member 1 in the circumferential and height directions, and the housing 2 is provided with an air inlet 6 corresponding to the first chamber A for The gas-liquid mixture is introduced into the first chamber A for gas-liquid separation, and the compression member 1 is provided with an intake port 3 and an exhaust port 7, and the intake port 3 of the compression member 1 is connected to the second chamber B through the intake pipe 4.
  • the exhaust port 7 communicates with other components in the heat exchange system through the exhaust pipe 9.
  • the casing 2 completely encloses the compression member 1, not only the overall volume of the compressor can be reduced, but also noise can be minimized, and most of the noise is surrounded by the gas-liquid separation chamber outside the compression member 1. Room absorption.
  • this combination method reduces the temperature of the compressor lubricating oil, it can prevent the lubricating oil from decomposing or carbonizing at a high temperature, thereby prolonging the life of the lubricating oil, but the oil temperature is lowered while the solubility is increased, which reduces the lubricating effect. Therefore, it is required that the lubricating oil still has a lubricating effect when the solubility is relatively high.
  • the housing 2 completely surrounds the compression member 1 in the circumferential direction outside the lubricating oil storage region, i.e., exposes the bottom of the compression member 1, that is, exposes the lubricating oil storage area, and the rest of the structure Consistent with the first embodiment.
  • the reason for exposing the bottom is to tie the electric heating belt so that the heat exchange system uses electric heating to heat the lubricating oil when operating under low temperature conditions, thereby ensuring the lubrication effect.
  • This combination solves the problem of the special requirement for the characteristics of the lubricating oil in the first embodiment, but since the bottom of the compression member 1 is exposed, this portion is not surrounded by the first chamber A, and thus the noise during operation of the compressor. relatively bigger.
  • the casing 2 partially surrounds the compression member in the circumferential direction of the entire height, optionally exposing half of the side of the compression member 1, but completely wrapped in the height direction. Since the compressor of this combination mode is not completely surrounded by the gas-liquid separation chamber, the noise during operation is larger than that of the first embodiment and the second embodiment, and the lubricating oil also has similar requirements as the first embodiment. However, this structure makes the combination of the compression member 1 and the gas-liquid separation member more compact, and can minimize the space occupied by the compressor, and is particularly suitable for the case where the installation space is limited.
  • the casing 2 partially surrounds the compression member in the circumferential direction outside the lubricating oil storage region, optionally exposing half of the side of the compression member 1, and the bottom of the compression member 1 is also Exposed.
  • This combination of methods has a slightly weaker noise reduction effect, but it takes up minimal space and does not require special requirements for lubricating oil.
  • the electric heating belt can be attached to the bottom of the compression member 1 to heat the lubricating oil under low temperature conditions.
  • an oil return hole 5 may be further disposed on the air suction pipe 4, and the oil return hole 5 is located in the first chamber A of the casing 2 for introducing the lubricating oil in the gas-liquid mixture into the compression member 1 .
  • the oil return hole 5 is located at the bottom end of the U-shaped suction pipe 4, and the principle of oil return is: the gas will come out from the exhaust port 7 of the compressor.
  • the lubricating oil is taken out and finally enters into the first chamber A of the casing 2 through the suction port 6 of the casing 2, and if there is no oil return hole 5, the lubricating oil cannot be returned to the compression member 1, Since the lubricating oil cannot enter the compression member 1 through the suction pipe 4.
  • the present invention provides a heat exchange system comprising the combined compressor of the above embodiment.
  • the combined compressor can be applied to equipment such as an air conditioning system or a heat pump system.
  • the following description will be made by taking an example in the air conditioning system.
  • the compressor has only two interfaces to the outside, including: the suction port 6 and the exhaust port 7 of the casing 2, and the suction port 6 of the casing 2 is connected to the evaporator end.
  • the exhaust port 7 is connected to the condenser end.
  • the compressor has fewer external interfaces in the air conditioning system, and the overall occupied space is small, which makes the layout of the air conditioning system more flexible, and the component installation and the pipeline connection are more convenient; and since the largest noise source in the air conditioning system is compression The machine, so the noise of the compressor working can improve the overall performance of the air conditioning system, but also has high product quality and good user experience; in addition, the compressor itself integrates gas-liquid separation function, in the air conditioning system It is not necessary to select the gas-liquid separator during design, and it can prevent the suction and liquid supply when the compressor is working, so as to better protect the compressor, thereby improving the safety and life of the compressor.

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Abstract

提供一种压缩机及换热系统，压缩机包括压缩部件（1）和壳体（2），壳体（2）至少部分包围压缩部件（1），在压缩部件（1）和壳体（2）之间形成气液分离腔室，气液分离腔室包括第一腔室（A）和第二腔室（B），第一腔室（A）用于接收来自蒸发器的气液混合物，第二腔室（B）用于接收从第一腔室（A）蒸发出的气体，压缩部件（1）的吸气口（3）和第二腔室（B）连通，所提供的压缩机能够减小自身体积，从而减小占用空间；而且，压缩机占用空间的减小更方便换热系统的管路设计，且省去了气液分离器选型；另外，壳体将压缩部件部分包围能够降低压缩机工作时产生的噪音。

Description

压缩机及换热系统 技术领域
本发明涉及压缩机技术领域，尤其涉及一种压缩机及换热系统。
背景技术
目前大部分的空调系统中都设有气液分离器，设置这个部件的主要原因是：压缩机从吸气口吸入的气态冷媒中如果带有液态冷媒，就会造成压缩机带液压缩，这样极易损坏压缩机，从保护压缩机的角度考虑，通常会在压缩机的吸气口之前安装气液分离器，以保证压缩机吸气不带液。
现有技术中的一种方案如图1所示，对空调系统中的压缩机1a另外选配气液分离器2a，然后再将压缩机1a的吸气口与气液分离器2a的出口连接，这种结构的装配过程较为繁琐。为了省去气液分离器2a选型的步骤，并且减少空调系统装配时管路连接的工作量，现有技术中的另一种方案如图2所示，该压缩机1a自带气液分离器2a，且气液分离器2a位于压缩机1a之外，这两个部件结构相互独立，两者之间也是通过管路连接，只是管路连接环节在压缩机1a制造的过程中就已经完成，这种结合方式使得压缩机自带气液分离功能。
但是，这两种方案中的压缩机1a外加气液分离器2a的整体结构，都会占用较大的空间，不利于空调系统中各个部件的布局，同时也需要将管路布置的紧凑，而且压缩机在工作时会产生噪音，对空调系统的品质产生影响。
发明内容
本发明的目的是提出一种压缩机及换热系统，能够减小压缩机的占用空间。
为实现上述目的，本发明第一方面提供了一种压缩机，包括：压缩部件和壳体，所述壳体至少部分包围所述压缩部件，在所述压缩部件和所述壳体之间形成气液分离腔室，所述气液分离腔室包括第一腔室和第二腔室，所述第一腔室用于接收来自蒸发器的气液混合物，所述第二腔室用于接收从所述第一腔室蒸发出的气体，所述压缩部件的吸气口和所述第二腔室连通。
进一步地，所述压缩部件的底部设有润滑油存储区，所述壳体在所述润滑油存储 区之外至少部分包围所述压缩部件。
进一步地，所述壳体在整个圆周方向上包围所述压缩部件。
进一步地，所述壳体在圆周方向上部分包围所述压缩部件。
进一步地，所述吸气口和所述第二腔室通过吸气管连通，所述吸气管设有位于所述第一腔室内的回油孔，用于将所述气液混合物中的润滑油导入所述压缩部件。
进一步地，所述壳体设有吸气口，用于将所述气液混合物导入所述第一腔室内。
进一步地，所述压缩部件的所述底部设有加热装置，用于加热所述润滑油存储区。
进一步地，所述加热装置包括电加热带。
为实现上述目的，本发明第二方面提供了一种换热系统，包括上述实施例的压缩机。
进一步地，换热系统为空调系统。
基于上述技术方案，本发明实施例的压缩机，通过将壳体至少部分包围压缩部件，且压缩部件和壳体之间形成气液分离腔室，实现了压缩部件和气液分离部件的组合设置，能够使压缩机同时具备压缩气体和气液分离的功能，省去了现有技术中压缩机和气液分离器之间的走管部分单独占用的空间，使得结合更加紧密，从而可以减小组合式压缩机的自身体积，进而减小占用空间；而且，压缩机占用空间的减小更方便换热系统的管路设计，且省去了气液分离器的选型；另外，壳体至少部分包围压缩部件的结构能减小压缩机工作时产生的噪音。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1为现有技术中压缩机和气液分离器的连接结构示意图；
图2为现有技术中自带气液分离器的压缩机的结构示意图；
图3a和图3b分别为本发明压缩机的第一实施例的工作原理示意图和半剖结构示意图；
图4a和图4b分别为本发明压缩机的第二实施例的工作原理示意图和半剖结构示意图；
图5a和图5b分别为本发明压缩机的第三实施例的工作原理示意图和半剖结构示意图；
图6a和图6b分别为本发明压缩机的第四实施例的工作原理示意图和半剖结构示意图。
附图标记说明
1a-压缩机；2a-气液分离器；1-压缩部件；2-壳体；3-压缩部件的吸气口；4-吸气管；5-回油孔；6-壳体的吸气口；7-排气口；8-隔板；9-排气管；A-第一腔室；B-第二腔室。
具体实施方式
以下详细说明本发明。在以下段落中，更为详细地限定了实施例的不同方面。如此限定的各方面可与任何其他的一个方面或多个方面组合，除非明确指出不可组合。尤其是，被认为是优选的或有利的任何特征可与其他一个或多个被认为是优选的或有利的特征。
本发明中出现的“第一”、“第二”等用语仅是为了方便描述，以区分具有相同名称的不同组成部件，并不表示先后或主次关系。
在本发明的描述中，需要理解的是，术语“上”、“下”、“前”、“后”、“左”、“右”、“竖直”和“水平”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，而不是指示或暗示所指的装置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保护范围的限制。
为了减小压缩机及气液分离器整体占用的体积，本发明提供了一种组合式压缩机，如图3a、4a、5a、6a所示的工作原理图和图3b、4b、5b、6b所示的半剖结构图，包括：压缩部件1和壳体2，壳体2至少部分包围压缩部件1，压缩部件1可采用与常用压缩机类似的结构，其内部的空间定义为压缩腔室，在压缩部件1和壳体2之间形成气液分离腔室，气液分离腔室内有常用气液分离器的所有零部件，形成气液分离部件。气液分离腔室包括第一腔室A和第二腔室B，在一个实施例中，气液分离腔室被能够实现气体连通的隔板8分为位于下方的第一腔室A和位于上方的第二腔室B，第一腔室A用于接收来自蒸发器的气液混合物，第二腔室B用于接收从第一腔室A蒸发 出的气体，压缩部件1的吸气口3和第二腔室B连通，例如通过吸气管4连通，以保证压缩部件1吸入的气体中不带液体，压缩部件1用于对吸入的气体进行压缩。其中，该实施例中提到的部分包围涵盖了壳体2在任意方向上以任意面积包围压缩部件1的情况。
本发明实施例的压缩机，通过将壳体至少部分包围压缩部件，且压缩部件和壳体之间形成气液分离腔室，实现了压缩部件和气液分离部件的组合设置，能够使压缩机同时具备压缩气体和气液分离的功能，省去了现有技术中压缩机和气液分离器之间的走管部分单独占用的空间，使得结合更加紧密，从而可以减小组合式压缩机的自身体积，进而减小占用空间；而且，压缩机占用空间的减小更方便换热系统的管路设计，且省去了气液分离器的选型；另外，壳体至少部分包围压缩部件的结构能够减小压缩机工作时产生的噪音。
压缩部件1中设有润滑油存储区，在该区域内填充的润滑油能够在压缩机工作时对各部件进行润滑以保证压缩机可靠工作，一般来说，润滑油存储区位于压缩部件1的底部。
从压缩机的高度方向来考虑，在一种类型的实施例中，如图3a、图3b、图5a和图5b所示，壳体2可以在整个高度方向上包围压缩部件1，这种结构的优点在于能够减小压缩机工作时产生的噪音，并带走压缩机运行过程中产生的热量，从而降低润滑油的温度，防止润滑油在高温情况下分解或碳化，进而使润滑油的使用寿命更长，但是润滑油温度降低会使得油溶解度上升，对润滑效果造成一定的影响，所以这种方式要求润滑油在溶解度较高时仍有润滑效果。
在另一种类型的实施例中，如图4a、图4b、图6a和图6b所示，壳体2在润滑油存储区之外至少部分包围压缩部件1，这是壳体2在高度方向上部分包围压缩部件1的情况，且露出部分与润滑油存储区相对应，对于圆柱形的压缩部件1，润滑油存储区位于压缩部件1的底部，露出底部的目的是为了设置加热装置，例如电加热带，使换热系统在低温状况下运行时为润滑油加热，从而保证润滑效果。
从压缩机的圆周方向来考虑，在一种类型的实施例中，如图3a、3b、4a和4b所示的实施例，壳体2在整个圆周方向上包围压缩部件1，这种设置形式能够在减少压缩机占用空间的同时，更大限度地降低压缩机工作时产生的噪声。在另一种类型的实施例中，如图5a、5b、6a和6b所示的实施例，壳体2在圆周方向上部分包围压缩部 件1，例如包围压缩部件1的半个圆周、少半个圆周或者多半个圆周，这种设置形式可进一步地减少压缩机的整体体积，特别适用于安装尺寸小的换热系统中。
下面将根据壳体2相对于压缩部件1在圆周和高度方向上可能存在的结合方式，给出四种不同的实施例进行说明，本领域技术人员可以结合每种实施例的优缺点根据实际情况进行选取。
第一实施例如图3a和图3b所示，是壳体2在圆周和高度方向上将压缩部件1完全包围，壳体2与第一腔室A对应处设有吸气口6，用于将气液混合物导入第一腔室A内进行气液分离，压缩部件1设有吸气口3和排气口7，压缩部件1的吸气口3通过吸气管4与第二腔室B连通，排气口7通过排气管9与换热系统中的其它部件连通。
由于在该实施例中，壳体2将压缩部件1全部包围，不仅能够减小压缩机的整体体积，还能最大程度降低噪音，绝大部分噪音被包围在压缩部件1外的气液分离腔室吸收。此外，由于此种结合方式会降低压缩机润滑油温度，因而能防止润滑油在高温情况下分解或碳化，从而延长润滑油的寿命，但是油温在降低的同时溶解度上升，会降低润滑效果，所以要求润滑油在溶解度比较高时仍有润滑效果。
第二实施例如图4a和图4b所示，壳体2在润滑油存储区之外在圆周方向上全部包围压缩部件1，即露出压缩部件1的底部，也就是露出润滑油存储区，其余结构与第一实施例一致。露出底部的原因是为了绑电加热带，使得换热系统在低温工况下运行时使用电加热为润滑油加热，从而保证润滑效果。这种结合方式解决了第一实施例中对润滑油的特性存在特殊需求的问题，但由于压缩部件1的底部暴露在外，这部分未被第一腔室A包围，因而压缩机工作时的噪音相对较大。
第三实施例如图5a和图5b所示，壳体2在整个高度的圆周方向上部分包围压缩部件，可选为露出压缩部件1的半个侧面，但在高度方向上完全包裹。此种结合方式的压缩机由于侧面未被气液分离腔室全部包围，因而在工作时噪音较第一实施例和第二实施例大，对润滑油也有和第一实施例存在类似的要求，但是这种结构使得压缩部件1和气液分离部件的结合更加紧凑，能够将压缩机的占用空间最小化，特别适合于安装空间受到局限的情况。
第四实施例如图6a和图6b所示，壳体2在润滑油存储区之外的圆周方向上部分包围压缩部件，可选为露出压缩部件1的半个侧面，且压缩部件1的底部也露出。此种结合方式降噪效果稍弱，但占用空间最小，也无需对润滑油提出特殊的需求，而且 在低温工况下可以在压缩部件1的底部绑电加热带对润滑油进行加热。
对于上述的实施例，还可在吸气管4上设置回油孔5，回油孔5位于壳体2的第一腔室A内，用于将气液混合物中的润滑油导入压缩部件1。可选地，如图4a、5a、6a和7a所示，回油孔5位于U形吸气管4的最底端，回油的原理是：气体从压缩机的排气口7出来后会将润滑油带出来，最终会经过循环通过壳体2的吸气口6进入到壳体2的第一腔室A中，若无回油孔5，润滑油将不能回到压缩部件1中，因为润滑油不能通过吸气管4进入压缩部件1。
另外，本发明还提供了一种换热系统，包括上述实施例所述的组合式压缩机。可选地，该组合式压缩机可以应用于空调系统或热泵系统等设备中。下面将以用在空调系统中为例进行说明，压缩机对外只有两个接口，包括：壳体2的吸气口6和排气口7，壳体2的吸气口6与蒸发器端连接，排气口7与冷凝器端连接。此种压缩机在空调系统中对外的接口较少，而且整体占用空间小，能够使空调系统的布局更加灵活，部件安装与管路连接也较为方便；而且由于空调系统中最大的噪音源是压缩机，因而压缩机工作时的噪音较小可以提高空调系统的整体性能，同时也具备较高的产品品质和较好的用户体验；另外，压缩机自身集成了气液分离功能，在对空调系统设计时无需对气液分离器选型，而且能防止压缩机工作时吸气带液，从而更好地对压缩机进行保护，进而提高压缩机的使用安全性和寿命。
以上对本发明所提供的一种压缩机及换热系统进行了详细介绍。本文中应用了具体的实施例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。

Claims (10)

  1. 一种压缩机，其特征在于，包括：压缩部件(1)和壳体(2)，所述壳体(2)至少部分包围所述压缩部件(1)，在所述压缩部件(1)和所述壳体(2)之间形成气液分离腔室，所述气液分离腔室包括第一腔室(A)和第二腔室(B)，所述第一腔室(A)用于接收来自蒸发器的气液混合物，所述第二腔室(B)用于接收从所述第一腔室(A)蒸发出的气体，所述压缩部件(1)的吸气口(3)和所述第二腔室(B)连通。
  2. 根据权利要求1所述的压缩机，其特征在于，所述压缩部件(1)的底部设有润滑油存储区，所述壳体(2)在所述润滑油存储区之外至少部分包围所述压缩部件(1)。
  3. 根据权利要求1所述的压缩机，其特征在于，所述壳体(2)在整个圆周方向上包围所述压缩部件(1)。
  4. 根据权利要求1所述的压缩机，其特征在于，所述壳体(2)在圆周方向上部分包围所述压缩部件(1)。
  5. 根据权利要求1～4任一所述的压缩机，其特征在于，所述吸气口(3)和所述第二腔室(B)通过吸气管(4)连通，所述吸气管(4)设有位于所述第一腔室(A)内的回油孔(5)，用于将所述气液混合物中的润滑油导入所述压缩部件(1)。
  6. 根据权利要求1～4任一所述的压缩机，其特征在于，所述壳体(2)设有吸气口(6)，用于将所述气液混合物导入所述第一腔室(A)内。
  7. 根据权利要求2所述的压缩机，其特征在于，所述压缩部件(1)的所述底部设有加热装置，用于加热所述润滑油存储区。
  8. 根据权利要求7所述的压缩机，其特征在于，所述加热装置包括电加热带。
  9. 一种换热系统，其特征在于，包括权利要求1～8任一所述的压缩机。
  10. 根据权利要求9所述的换热系统，其特征在于，换热系统为空调系统。
PCT/CN2016/100126 2015-12-10 2016-09-26 压缩机及换热系统 Ceased WO2017097014A1 (zh)

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