WO2019119840A1 - 油分离装置、冷凝器及制冷系统 - Google Patents

油分离装置、冷凝器及制冷系统 Download PDF

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Publication number
WO2019119840A1
WO2019119840A1 PCT/CN2018/101327 CN2018101327W WO2019119840A1 WO 2019119840 A1 WO2019119840 A1 WO 2019119840A1 CN 2018101327 W CN2018101327 W CN 2018101327W WO 2019119840 A1 WO2019119840 A1 WO 2019119840A1
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WIPO (PCT)
Prior art keywords
oil
storage zone
oil storage
separating apparatus
guiding structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/CN2018/101327
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English (en)
French (fr)
Inventor
胡海利
胡东兵
杨旭峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Gree Wuhan Electric Appliances Co Ltd
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Gree Electric Appliances Inc of Zhuhai
Gree Wuhan Electric Appliances Co Ltd
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Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai, Gree Wuhan Electric Appliances Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Publication of WO2019119840A1 publication Critical patent/WO2019119840A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant

Definitions

  • the invention relates to the technical field of refrigeration, and in particular to an oil separation device, a condenser and a refrigeration system.
  • the compressor of the refrigeration unit mainly relies on two parts of oil returning, one is through the oil tank which is provided by the compressor, and the other is through the oil separation component built in the condenser or an external independent oil separation device.
  • the compressor will eliminate the oil drum that is included in the compressor and provide oil return through the oil separation unit built into the condenser housing.
  • the inventors have found that the gaseous refrigerant in the current oil separation component is in contact with the separated oil, and the oil is carried, causing fluctuations in the oil level and unstable oil return.
  • the present invention provides an oil separation device including an oil storage zone including: a first oil storage zone for collecting oil separated from a gaseous medium; and a second oil storage zone, The first oil storage zone is away from the gaseous medium, and the second oil storage zone is connected to the first oil storage zone, and the oil of the first oil storage zone can be led therein to reduce the contact of the gaseous medium with the separated oil.
  • the first oil storage zone is disposed at a bottom of the oil separation device, and the second oil storage zone is disposed laterally of the first oil storage zone and communicates with a bottom of the first oil storage zone.
  • the second oil reservoir is inclined downwardly with respect to the horizontal.
  • the oil reservoir includes at least two second oil reservoirs, each of the second oil reservoirs being disposed on the same side of the first oil reservoir.
  • the oil storage zone includes at least two second oil storage zones, and the at least one second oil storage zone and the other second oil storage zone are respectively located on opposite sides of the first oil storage zone.
  • the second oil reservoir is provided with an oil outlet.
  • the second oil reservoir is provided with a heating interface.
  • the second oil reservoir is provided with a temperature sensing interface.
  • the oil reservoir has an L-shaped cross section or an inverted T-shape.
  • the first oil reservoir is in communication with the second oil reservoir via at least two ports, with a spacing between adjacent ports.
  • the oil separation device includes an oil guiding structure, the oil guiding structure is in communication with the second oil storage zone, and the oil guiding structure extends laterally to the second oil storage zone to oil in the oil storage zone Lead to the outside of the oil separation unit.
  • the oil guiding structure is inclined downward with respect to the horizontal.
  • the oil separation device includes two or more oil guiding structures with a spacing between at least one pair of adjacent two oil guiding structures.
  • the oil guiding structure is provided with an oil outlet.
  • the oil outlet of the oil guiding structure is provided with a heating interface.
  • the oil outlet of the oil guiding structure is provided with a temperature sensing interface.
  • the present invention also provides an oil separation device comprising an oil storage zone, the oil storage zone being laterally provided with an oil guiding structure for directing oil in the oil storage zone to the outside of the oil separation device.
  • the oil guiding structure is provided with an oil outlet.
  • the oil guiding structure is provided with a heating interface.
  • the oil guiding structure is provided with a temperature sensing interface.
  • the present invention provides a condenser comprising the above-described oil separation device.
  • the present invention provides a refrigeration system including the above-described condenser.
  • the present invention has at least the following beneficial effects:
  • the oil storage zone may include a first oil storage zone and a second oil storage zone; the first oil storage zone is for collecting oil separated from the gaseous medium; and the second oil storage zone is relative to the first storage zone
  • the oil zone is away from the gaseous medium, and the second oil storage zone is connected to the first oil storage zone, and the oil of the first oil storage zone can be led thereto to reduce the contact between the gaseous medium and the separated oil to avoid separation from the gaseous medium.
  • the oil is mixed into the gaseous medium to improve the oil separation effect and the stability of the oil level in the oil storage area.
  • Figure 1 is a schematic view showing the structure of an oil separating apparatus according to at least one embodiment of the present invention
  • Figure 2 is a side elevational view showing an oil separation device of at least one embodiment of the present invention.
  • Figure 3 is a schematic view showing the internal structure of a condenser of at least one embodiment of the present invention.
  • Figure 4 is a schematic view showing the external structure of a condenser of at least one embodiment of the present invention.
  • Oil storage area 11. First oil storage area; 12. Second oil storage area; 2. Oil guiding structure; 21. Oil outlet; 22. Heating interface; 23. Temperature sensing interface;
  • the oil separation device provided in the following embodiments is used for separating oil in a gaseous medium, and the oil separation device can be applied to a condenser.
  • the gaseous medium is a gaseous refrigerant, and the gaseous refrigerant is mixed therein.
  • the oil is a lubricating oil, and the lubricating oil separated from the gaseous refrigerant by the oil separating device can be used in a compressor.
  • an oil separation apparatus for one or more embodiments that includes an oil storage zone 1 for storing oil separated from a gaseous medium.
  • the oil storage zone 1 is configured to be capable of reflecting at least a portion of the gaseous medium in a direction away from the separated oil in a path of the gaseous medium flowing to the separated oil to prevent the gaseous medium from contacting the separated oil and avoiding the gaseous medium.
  • the oil separated in the mixture is mixed into the gaseous medium to improve the oil separation effect and the stability of the oil level in the oil storage zone 1.
  • At least a portion of the gaseous medium can be reflected by a portion of the structure of the oil reservoir 1 and flow away from the separated oil, thereby preventing a large amount of gaseous medium from contacting the separated oil, and therefore, the gas flow is not easily
  • the oil in the oil storage zone 1 is taken away, which can reduce the instability of the oil level in the oil storage zone 1, and can also provide a stable oil return for the subsequent process, and can improve the oil separation effect.
  • the oil reservoir 1 may include a first oil reservoir 11 and a second oil reservoir 12.
  • the first oil reservoir 11 is used to collect oil separated from the gaseous medium.
  • the second oil storage zone 12 is away from the gaseous medium relative to the first oil storage zone 11, and the second oil storage zone 12 is connected to the first oil storage zone 1 to guide the oil of the first oil storage zone 11 therein to reduce the gaseous state.
  • the medium is in contact with the separated oil.
  • the first oil reservoir 11 is disposed at the bottom of the oil separation unit for collecting oil separated from the gaseous medium by the oil separation unit.
  • the second oil storage zone 12 is disposed laterally of the first oil storage zone 11 and communicates with the bottom of the first oil storage zone 11.
  • the second oil storage zone 12 can introduce the oil collected by the first oil storage zone 11 into it in time, and can provide a larger storage space for the separated oil, so as to facilitate the subsequent supply of oil to the compressor.
  • the second oil storage zone 12 is away from the gaseous medium relative to the first oil storage zone 11, and the structure formed at the corner of the connection of the second oil storage zone 12 and the first oil storage zone 11 can separate a part of the gaseous refrigerant away from the gas.
  • the direction of oil reflection prevents most of the gaseous medium from coming into contact with the separated oil to carry oil flow, avoiding the oil separated from the gaseous medium and mixing into the gaseous medium, thereby improving the stability of the liquid level of the oil storage area 1 It is beneficial to the subsequent oil return and can improve the oil separation effect of the oil separation device.
  • the second oil reservoir 12 is inclined downward with respect to the horizontal.
  • the second oil storage zone 12 is disposed in an inclined structure having a set angle, which can further facilitate the introduction of the oil separated from the gaseous medium collected by the first oil storage zone 11 into the second oil storage zone 12 while avoiding the The airflow above the oil storage zone 11 interferes with the impact of the oil level, the oil return is stable, and the oil separation effect is good.
  • the second oil reservoir 12 is inclined downward at an angle a to the horizontal.
  • the setting of the angle ⁇ is advantageous for the oil of the first oil storage zone 11 to be better collected into the second oil storage zone 12, and when the oil of the second oil storage zone 12 is used for oil return, the second oil storage can be performed.
  • a liquid seal is formed near the oil outlet of the zone 12 to ensure continuous oil supply and stable oil return.
  • the oil separating device may include at least two second oil storage regions 12, and each of the second oil storage regions 12 is disposed on the same side of the first oil storage region 11.
  • the adjacent two second oil reservoirs 12 on the same side of the first oil reservoir 11 have a spacing between them to facilitate the flow of gaseous medium from the spacing.
  • the oil reservoir 1 has an L-shaped cross section.
  • the oil separating device may include at least two second oil storage zones 12, and at least one second oil storage zone 12 and another second oil storage zone 12 are respectively located on both sides of the first oil storage zone 11 .
  • the adjacent two second oil reservoirs 12 on the same side of the first oil reservoir 11 have a spacing therebetween to facilitate the flow of gaseous medium from the spacing.
  • the oil reservoir 1 has an inverted T-section in cross section.
  • the second oil storage zone 12 can direct the oil in the oil storage zone 1 to the outside of the oil separation device to supply oil to other equipment.
  • the second oil storage area 12 may be provided with an oil outlet.
  • the second oil storage area 12 may also be provided with a heating interface, and the heating interface may be connected to the electric heating element to preheat the oil in the oil storage area 1 at the time of starting.
  • the second oil storage zone 12 can also be provided with a temperature sensing interface.
  • the temperature sensing interface can be connected to the temperature sensing package to measure the oil in the oil storage area 1.
  • the second oil reservoir 12 of the oil reservoir 1 is located laterally of the first oil reservoir 11.
  • the first oil storage zone 11 and the second oil storage zone 12 may be connected by at least two connection ports, and the adjacent two connection ports have a spacing therebetween.
  • the second oil reservoir 12 may also be located below the first oil reservoir 11.
  • the oil storage zone 1 may include a first oil storage zone 11 and a second oil storage zone 12 disposed above and below, and the second oil storage zone 12 is located below the first oil storage zone 11.
  • the second oil storage zone 12 is capable of introducing the oil collected by the first oil storage zone 11 into it in time to provide a larger oil storage space.
  • the first oil storage zone 11 and the second oil storage zone 12 are connected by at least two connecting ports, and the adjacent two connecting ports have a spacing therebetween.
  • the second oil storage zone 12 is disposed below the first oil storage zone 11, and the second oil storage zone 12 is capable of providing a large space away from the upper airflow for the oil therein, through the second oil storage zone.
  • a portion formed between the two adjacent ports of the first oil storage zone 11 is capable of reflecting a portion of the gaseous medium away from the oil in the second oil storage zone 12, reducing the gaseous medium and the second oil storage zone.
  • the cross section of the oil reservoir 1 may be curved, for example, may be S-shaped, Z-shaped, curved, wavy, or the like.
  • the oil separated from the gaseous medium by the oil separating device flows along the curved oil storage zone 1 and collects at the bottom of the oil storage zone 1.
  • the structure formed at the corner of the curved structure of the oil storage zone 1 is capable of reflecting a portion of the gaseous medium in a direction away from the oil at the bottom of the second oil storage zone 12.
  • the oil separation device may further include an oil guiding structure 2, the oil guiding structure 2 is connected to the oil storage area 1, and the oil guiding structure 2 extends laterally to the oil storage area 1, and the oil storage area 1 can be The oil in the oil is directed to the outside of the oil separation unit to supply oil to other equipment.
  • the oil guiding structure 2 can communicate with the second oil storage zone 12 and the oil guiding structure 2 extends laterally to the second oil storage zone 12.
  • the oil guiding structure 2 is inclined downward with respect to the horizontal surface to facilitate the drainage of oil within the oil storage zone 1.
  • the oil separating device in the above embodiment may include two or more oil guiding structures 2, and each of the oil guiding structures 2 is disposed on the same side of the oil storage zone 1. There is a spacing between at least one pair of adjacent two oil guiding structures 2 located on the same side of the oil storage zone 1 to facilitate the flow of the gaseous medium after the oil separation from the distance between the two oil guiding structures 2.
  • the oil separating device in the above embodiment may include two or more oil guiding structures 2, and at least one oil guiding structure 2 and the other oil guiding structure 2 are respectively located on both sides of the oil storage zone 1. There is a spacing between at least one pair of adjacent two oil guiding structures 2 located on the same side of the oil storage zone 1 to facilitate the flow of the gaseous medium after the oil separation from the distance between the two oil guiding structures 2.
  • the oil outlet end of the oil guiding structure 2 in the above embodiment may be provided with an oil outlet port 21, and the oil outlet port 21 may be used to supply oil to other equipment, for example, lubricating oil for the compressor or the like may be provided.
  • the oil outlet end of the oil guiding structure 2 may be provided with a heating interface 22 for connecting a heating element for heating the oil derived from the oil guiding structure 2.
  • the oil discharge end of the oil guiding structure 2 may be provided with a temperature sensing interface 23 for connecting the temperature sensing package, and the temperature sensing package is for measuring the temperature of the oil derived by the oil guiding structure 2.
  • the above embodiment is provided with heating means for heating the oil drawn from the oil guiding structure 2 by means of the heating interface 22.
  • the temperature of the oil led out by the oil guiding structure 2 is measured by the temperature sensing package 23.
  • This embodiment only shows the oil outlet 21, the heating interface 22 and the temperature sensing interface 23.
  • an additional interface can be added according to actual needs.
  • the oil separation device in a specific embodiment of the oil separation device, includes an intake pipe 6, an oil separation zone 3, and an oil storage zone 1, and the oil storage zone 1 is disposed at the bottom of the oil separation zone 3. .
  • the gaseous medium entering through the intake pipe 6 is separated in the oil separation zone 3, and the separated oil enters the oil storage zone 1, and the gaseous medium after the oil and gas separation flows to the outside of the oil separation device.
  • the oil separation zone 3 is provided with a baffle 4 and a screen 5, and the baffle 4 is disposed below the screen 5 and faces the flow direction of the gaseous medium introduced by the intake pipe 6, and the gaseous medium introduced by the intake pipe 6 hits the baffle.
  • the baffle 4 acts as a collision separation, which can separate large oil droplets and complete the first-stage oil and gas separation. The gaseous medium after the primary oil and gas separation flows through the baffle 4 to flow around, and is separated.
  • the oil flows through the edge portion of the baffle 4 to the oil storage zone 1; the gaseous medium separated by the primary oil and gas flows through the baffle 4 to flow around, then flows upward, and is separated again through the filter 5 to complete the secondary oil and gas separation; The gaseous medium separated by the oil and gas through the filter 5 flows to the outside of the oil separation device, and the oil separated by the filter 5 flows to the oil storage zone 1.
  • the oil separation zone 3 may have a V-shaped cross section
  • the oil storage zone 1 is disposed at the bottom of the oil separation zone 3
  • the oil separation zone 3 includes a first side plate 31 and a second.
  • the first side plate 31 is connected to one side of the oil storage area 1
  • the second side plate 32 is connected to the other side of the oil storage area 1, so that the oil separating device is formed into an elongated structure having a V-shaped cross section.
  • first sealing plate 33 is mounted at one end of the elongated structure, and is simultaneously connected to the first end of the oil storage zone 1, the first side plate 31, and the second side plate 32, and the second sealing plate 34 is installed at the length
  • the other end of the strip structure is connected to the second end of the oil storage zone 1, the first side plate 31, and the second side plate 32 at the same time.
  • the oil storage zone 1 includes a first oil storage zone 11 and a second oil storage zone 12, and the first oil storage zone 11 is connected to the first side plate 31 and the second side plate 32 on both sides thereof to have a V-shaped cross section.
  • the second oil storage zone 12 is disposed laterally of the first oil storage zone 11, and the second oil storage zone 12 and the first oil storage zone 11 together form an L-shaped cross section.
  • the second oil reservoir 12 may be a flat elongated structure.
  • first oil storage zone 11 and the second oil storage zone 12 described above a large volume of oil storage space can be formed at the bottom of the oil separation device.
  • the oil separated from the gaseous medium is finally stored in the second oil storage zone 12, and the oil level is at a large distance from the gas flow in the upper part of the oil separation device, thereby avoiding the secondary impact of the gas flow on the oil level.
  • the intake pipe 6 in the above embodiment may be disposed at an intermediate position of the oil separating device, and may of course be disposed at the side of the oil separating device, and may be actually arranged according to the needs of the unit.
  • Some embodiments of the present invention also provide an oil separation device including an oil storage zone 1 having an oil guiding structure laterally disposed to direct oil in the oil storage zone 1 to the oil separation device Externally, supply oil to other equipment.
  • the oil guiding structure in the above embodiment may be provided with an oil outlet to guide the oil in the oil storage area 1 to the outside of the oil separating device to supply oil to other equipment.
  • the oil guiding structure in the above embodiment may be provided with a heating interface.
  • the heating interface can be connected to the electric heating element, and the oil in the oil storage area 1 is preheated at the time of starting.
  • the oil guiding structure in the above embodiment may be provided with a temperature sensing interface.
  • the temperature sensing interface can be connected to the temperature sensing package to measure the oil in the oil storage area 1.
  • a condenser 7 provided for one or more embodiments includes the oil separation device 8 described above, and the oil separation device 8 is built in the interior of the condenser 7.
  • the gaseous medium is introduced from the intake pipe 6 of the oil separating device 8, and the introduced gaseous refrigerant hits the upper surface of the baffle 4, and the baffle 4 functions as an impact separation, and the large oil droplets can be separated.
  • the first-stage oil and gas separation is completed, and the gaseous refrigerant after the primary oil separation is flowed to the periphery through the baffle 4, and the separated oil flows to the oil storage area 1 through the edge portion of the baffle 4;
  • the gaseous refrigerant then moves upward, and is separated again by the filter 5 to complete the secondary oil and gas separation; the gaseous refrigerant passing through the filter 5 flows to the heat exchange tube 79 region in the condenser 7, and exchanges heat with the heat exchange tube 79.
  • the separated lubricating oil flows into the oil storage area 1 by gravity, and is used to flow back to the compressor to supply lubricating oil to the compressor.
  • the oil separating device 8 is disposed in the housing 71 of the condenser 7 through the support assembly 9, and is located at the inner top of the housing 71.
  • a heat exchange tube 79 is further disposed in the housing 71, and the oil separation device 8 is located above the heat exchange tube 79.
  • the intake pipe 6 of the oil separating device 8 may be welded to the housing 71 to enhance the fixing action.
  • the oil separating device 8 is disposed at the inner top of the casing 71, and a large circulation space is left between the oil separating device 8 and the casing 71 to allow the refrigerant to flow to avoid the influence of heat exchange.
  • the heating port 73 and the temperature sensing interface 74 are further disposed on the casing 71 of the condenser 7.
  • the heating interface 73 can be connected to the electric heating element, and the lubricating oil is preheated when the machine is turned on, and the temperature sensing interface 74 can be connected to the temperature sensing package for temperature measurement.
  • the oil guiding structure 2 disposed on the oil separating device 8 guides the oil of the oil storage zone 1 to the casing 71 of the condenser 7 and then heats it, thereby providing a built-in oil content for the subsequent elimination of the oil drum of the compressor. Functional condenser.
  • a gaseous refrigerant inlet 75 is provided at the top of the casing 71, and the gaseous refrigerant inlet 75 may be directly the intake pipe 6 in the oil separating device 8.
  • a liquid refrigerant outlet 76 is provided at the bottom of the housing 71.
  • One side of the housing 71 is provided with a brine inlet 77 and a brine outlet 78.
  • the brine inlet 77 and the brine outlet 78 communicate with the heat exchange tube 79 to provide a heat source for the heat exchange between the heat exchange tube 79 and the gaseous refrigerant.
  • the brine may be cold water.
  • a larger volume oil reservoir 1 is formed at the bottom of the oil separation device 8, which can meet the oil storage requirements of the refrigeration unit system.
  • the oil guiding structure 2 leads the oil to the casing 71 of the condenser 7 for heating, and the heating member does not need to protrude into the condenser; and the lubricating oil can be heated before the refrigeration unit is turned on, so that the viscosity of the oil is relatively large when the unit is just opened. Need to be equipped with an additional oil tank to heat up.
  • the oil storage zone 1 with a certain slope can provide better and more reliable oil return.
  • the oil storage zone 1 includes a first oil storage zone 11 and a second oil storage zone 12, and the second oil storage zone 12 is disposed laterally of the first oil storage zone 11 to provide a larger lubricating oil.
  • the oil storage space can meet the demand of the entire system for storing oil; and the oil level of the second oil storage area 12 is not easily interfered by the upper air flow, the liquid level is stable, and the oil return effect is good; and further, the condenser can be reasonably utilized.
  • the lateral space in the casing 71 of the 7 avoids interference with the heat exchange tubes 79 below the oil separating device 8 in the casing 71, thereby improving the heat exchange effect.
  • the oil separated by the oil separation device 8 may be led to the compressor through a second oil reservoir 12 disposed laterally of the first oil reservoir 11.
  • the oil separated by the oil separation device 8 can be directed to the compressor via the oil guiding structure 2 in communication with the oil reservoir 1.
  • the specific working flow of the condenser 7 is as follows:
  • the mixture of the high-temperature gaseous refrigerant and the lubricating oil discharged from the exhaust port of the compressor enters the oil separating device 8 in the condenser 7 through the intake pipe 6, and the gaseous refrigerant collides with the baffle 4 to separate the first-stage oil and gas, and then passes through the filter 5
  • the oil and gas is separated, and the separated gaseous refrigerant enters the casing 71 of the condenser 7 to exchange heat with the heat exchange tube 79.
  • the gaseous refrigerant is condensed into a liquid refrigerant after heat exchange, and is discharged from the liquid refrigerant outlet 76.
  • the compressor lubricating oil separated from the baffle 4 and the compressor lubricating oil filtered by the filter 5 are collected in the oil storage area 1 at the bottom of the oil separating device 8, and flow back through the oil outlet 21 of the oil guiding structure 2 to be compressed. machine.
  • the oil separation device 8 built in the condenser 7 provided by the above embodiment has various functions such as oil filtering, oil storage, oil return, and heating oil.
  • a refrigeration system is also provided that includes the condenser described above.
  • the above refrigeration system may also include a compressor, an evaporator, and the like.
  • the refrigeration system provided in this embodiment can be applied to an air conditioner or the like.

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Abstract

一种油分离装置（8）、冷凝器（7）及制冷系统。其中，油分离装置（8）包括储油区（1），储油区（1）包括第一储油区（11）和第二储油区（12）；第一储油区（11）用于汇集从气态介质中分离出的油；第二储油区（12）相对于第一储油区（11）远离气态介质，第二储油区（12）连通第一储油区（11），能够将第一储油区（11）的油引向其内，以减少气态介质与分离出的油接触。油分离装置（8）能够减少气态介质与分离出的油接触，避免使从气态介质中分离出的油又混入气态介质中，能够提高油分离效果和储油区（1）内油液面的稳定性，利于后续回油。

Description

油分离装置、冷凝器及制冷系统 技术领域
本发明涉及制冷技术领域，尤其涉及一种油分离装置、冷凝器及制冷系统。
背景技术
随着空调冷凝机组的发展，为了简化机组外部连接管路，美化机组外观，许多产品取消了外置独立的油分离装置，而将具有油气分离功能的部件设置在冷凝器壳体顶部，以充分利用冷凝器壳体顶部空间。
制冷机组压缩机主要依靠两部分的回油，一是通过压缩机自带的油分桶，二是通过内置于冷凝器的油分离部件或者外置独立的油分离装置。
压缩机为了进一步缩小结构尺寸，将会取消压缩机自带的油分桶，通过内置于冷凝器壳体的油分离部件提供回油。发明人发现：目前的油分离部件内的气态冷媒会与分离出的油接触，携油流动，造成油液面的波动，且回油不稳定。
发明内容
本发明的目的是提出一种油分离装置、冷凝器及制冷系统，其中，油分离结构至少能够解决部分气态介质与分离出的油接触的问题。
为实现上述目的，本发明提供了一种油分离装置，其包括储油区，储油区包括：第一储油区，用于汇集从气态介质中分离出的油；第二储油区，其相对于第一储油区远离气态介质，第二储油区连通第一储油区，能够将第一储油区的油引向其内，以减少气态介质与分离出的油接触。
在一优选或可选实施例中，第一储油区设于油分离装置的底部，第二储油区设于第一储油区的侧向，且连通第一储油区的底部。
在一优选或可选实施例中，第二储油区相对于水平面向下倾斜。
在一优选或可选实施例中，储油区包括至少两个第二储油区，各第二储油区设于第一储油区的同一侧。
在一优选或可选实施例中，储油区包括至少两个第二储油区，至少一个第二储油区与另一第二储油区分别位于第一储油区的两侧。
在一优选或可选实施例中，位于第一储油区同一侧的相邻两个第二储油区之间具有间距。
在一优选或可选实施例中，第二储油区设有出油口。
在一优选或可选实施例中，第二储油区设有加热接口。
在一优选或可选实施例中，第二储油区设有感温接口。
在一优选或可选实施例中，储油区的截面呈L型或呈倒置的T型。
在一优选或可选实施例中，第一储油区通过至少两个连接口与第二储油区连通，相邻两个连接口之间具有间距。
在一优选或可选实施例中，油分离装置包括导油结构，导油结构连通第二储油区，导油结构向第二储油区的侧向延伸，以将储油区中的油引向油分离装置的外部。
在一优选或可选实施例中，导油结构相对于水平面向下倾斜。
在一优选或可选实施例中，油分离装置包括两个以上导油结构，至少一对相邻的两个导油结构之间具有间距。
在一优选或可选实施例中，导油结构设有出油口。
在一优选或可选实施例中，导油结构的出油端设有加热接口。
在一优选或可选实施例中，导油结构的出油端设有感温接口。
本发明还提供了一种油分离装置，包括储油区，储油区的侧向设有导油结构，以将储油区中的油引向油分离装置的外部。
在一优选或可选实施例中，导油结构设有出油口。
在一优选或可选实施例中，导油结构设有加热接口。
在一优选或可选实施例中，导油结构设有感温接口。
为实现上述目的，本发明提供了一种冷凝器，其包括上述的油分离装置。
为实现上述目的，本发明提供了一种制冷系统，其包括上述的冷凝器。
基于上述技术方案，本发明至少具有以下有益效果：
在一些实施例中，储油区可以包括第一储油区和第二储油区；第一储油区用于汇集从气态介质中分离出的油；第二储油区相对于第一储油区远离气态介质，第二储油区连通第一储油区，能够将第一储油区的油引向其内，以减少气态介质与分离出的油接触，避免从气态介质中分离出的油又混入气态介质中，能够提高油分离效果和储油区内油液面的稳定性。
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示出了本发明至少一个实施例的油分离装置的结构示意图；
图2示出了本发明至少一个实施例的油分离装置的侧视示意图；
图3示出了本发明至少一个实施例的冷凝器的内部结构示意图；
图4示出了本发明至少一个实施例的冷凝器的外部结构示意图。
附图中标号：
1、储油区；11、第一储油区；12、第二储油区；2、导油结构；21、出油口；22、加热接口；23、感温接口；
3、油分离区；31、第一侧板；32、第二侧板；33、第一封板；34、第二封板；4、挡板；5、滤网；6、进气管；7、冷凝器；71、壳体；72、回油口；73、加热接口；74、感温接口；75、气态冷媒入口；76、液体冷媒出口；77、载冷剂进口；78、载冷剂出口；79、换热管；8、油分离装置；9、支撑组件。
具体实施方式
下面将结合本发明实施例中的附图，对实施例中的技术方案进行清 楚、完整地描述。显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“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保护范围的限制。
下述实施例中提供的油分离装置用于分离气态介质中的油，该油分离装置可以应用于冷凝器，在油分离装置应用于冷凝器时，气态介质即为气态冷媒，气态冷媒中混入的油为润滑油，该油分离装置从气态冷媒中分离出的润滑油可以用于压缩机中。
如图1所示，为一个或多个实施例提供的油分离装置，其包括：储油区1，储油区1用于存储从气态介质中分离出的油。储油区1被构造成能够在气态介质流向分离出的油的路径上，至少将部分气态介质向远离分离出的油的方向反射，以避免气态介质与分离出的油接触，避免从气态介质中分离出的油又混入气态介质中，提高油分离效果和储油区1内油液面的稳定性。
在至少一个实施例中，至少部分气态介质能够被储油区1的部分结构反射，向远离分离出的油的方向流动，能够避免大量气态介质与分离出的油接触，因此，气流不容易将储油区1的油液带走，能够减少储油区1油液液面的不稳定性，也能够为后续提供稳定的回油，且能够提高油分离效果。
在一个或多个实施例中，储油区1可以包括第一储油区11和第二储油区12。
第一储油区11用于汇集从气态介质中分离出的油。
第二储油区12相对于第一储油区11远离气态介质，第二储油区 12连通第一储油区1，能够将第一储油区11的油引向其内，以减少气态介质与分离出的油接触。
在一些实施例中，第一储油区11设于油分离装置的底部，用于收集油分离装置从气态介质中分离出的油。
第二储油区12设于第一储油区11的侧向，且连通第一储油区11的底部。第二储油区12能够及时将第一储油区11收集的油引至其内，能够为分离出的油提供更大的存储空间，以利于后续为压缩机提供回油。
并且，第二储油区12相对于第一储油区11远离气态介质，且第二储油区12与第一储油区11的连接拐角处形成的结构能够将部分气态冷媒向远离分离出的油的方向反射，避免大部分气态介质与分离出的油接触携油流动，避免从气态介质中分离出的油又混入气态介质中，因此，既能够提高储油区1液面的稳定性，有利于后续回油，又能够利于提高油分离装置的油分离效果。
在一个或多个实施例中，第二储油区12相对于水平面向下倾斜。将第二储油区12设置成具有设定角度的倾斜结构，能够更加利于将第一储油区11收集的从气态介质中分离出来的油引入第二储油区12内，同时可避免第一储油区11的上方气流对油位的冲击干扰，回油稳定，油分离效果好。
如图2所示，第二储油区12倾斜向下，与水平面成夹角α。夹角α的设置有利于第一储油区11的油更好的汇集到第二储油区12内，并且当第二储油区12的油用于回油时，能够在第二储油区12的出油口附近形成液封，保证持续供油，回油稳定。
在第一实施例中，油分离装置可以包括至少两个第二储油区12，各第二储油区12设于第一储油区11的同一侧。位于第一储油区11同一侧的相邻的两个第二储油区12之间具有间距，利于气态介质从该间距流过。
在至少一个实施例中，储油区1的截面呈L型。
在第二实施例中，油分离装置可以包括至少两个第二储油区12，至少一个第二储油区12与另一第二储油区12分别位于第一储油区11 的两侧。位于第一储油区11同一侧的相邻的两个第二储油区12之间具有间距，以利于气态介质从该间距流过。
在至少一个实施例中，储油区1的截面呈倒置的T型。
在第二储油区12位于第一储油区11侧向的实施例中，第二储油区12可以将储油区1内的油引向油分离装置的外部，为其他设备供油。
进一步地，第二储油区12可以设有出油口。
第二储油区12也可以设有加热接口，加热接口可连接电加热件，开机时对储油区1内的油预热。
第二储油区12也可以设有感温接口。感温接口可连接感温包，对储油区1内的油进行测温。
上述第一实施例和第二实施例中，储油区1的第二储油区12位于第一储油区11的侧向。第一储油区11与第二储油区12之间可以通过至少两个连接口连通，相邻两个连接口之间具有间距。
第二储油区12也可以位于第一储油区11的下方。
在第三实施例中，储油区1可以包括上下设置的第一储油区11和第二储油区12，第二储油区12位于第一储油区11的下方。第二储油区12能够及时将第一储油区11收集的油引入其内，以提供较大的储油空间。第一储油区11与第二储油区12之间通过至少两个连接口连通，相邻两个连接口之间具有间距。
在上述实施例中，第二储油区12设于第一储油区11的下方，第二储油区12能够为其内的油提供一个远离上部气流的大空间，通过第二储油区12与第一储油区11的相邻的两个连接口之间形成的部位能够将部分气态介质向远离第二储油区12内的油的方向反射，减少气态介质与第二储油区12内的油液的接触。
在第四实施例中，储油区1的截面可以呈弯曲型，例如：可以为S型、Z型、曲线型、波浪型等。油分离装置从气态介质中分离出的油沿弯曲型的储油区1流动，汇集于储油区1的底部。储油区1弯曲结构拐角处形成的结构能够将部分气态介质向远离第二储油区12底部的油的方向反射。
为了更好的将储油区1内的油引导出来，用于其他设备，例如：用于压缩机。在一个或多个实施例中，油分离装置还可以包括导油结构2，导油结构2连通储油区1，导油结构2向储油区1的侧向延伸，能够将储油区1中的油引向油分离装置的外部，为其他设备供油。
在一些实施例中，导油结构2可以连通第二储油区12，导油结构2向第二储油区12的侧向延伸。
在一些实施例中，导油结构2相对于水平面向下倾斜，能够利于将储油区1内的油导出。
上述实施例中的油分离装置可以包括两个以上的导油结构2，各导油结构2设于储油区1的同一侧。位于储油区1同一侧的至少一对相邻的两个导油结构2之间具有间距，能够便于经过油分离后的气态介质从两个导油结构2之间的间距流过。
上述实施例中的油分离装置可以包括两个以上的导油结构2，至少一个导油结构2与另一导油结构2分别位于储油区1的两侧。位于储油区1同一侧的至少一对相邻的两个导油结构2之间具有间距，能够便于经过油分离后的气态介质从两个导油结构2之间的间距流过。
上述实施例中的导油结构2的出油端可以设有出油口21，出油口21可以用于为其他设备提供油，例如：可以为压缩机提供润滑油等。
在一些实施例中，导油结构2的出油端可以设有加热接口22，加热接口22用于连接加热件，加热件用于为导油结构2导出的油加热。
在一些实施例中，导油结构2的出油端可以设有感温接口23，感温接口23用于连接感温包，感温包用于测量导油结构2导出的油的温度。
上述实施例通过加热接口22设置加热件为导油结构2引出的油加热。通过感温接口23设置感温包测量导油结构2引出的油的温度。例如：可以对引入压缩机的润滑油测温、加热，保证开机时预热润滑油，满足机组开机前对润滑油加热以及测温的需求，且不需要额外为压缩机配备储油罐。
本实施例仅展示了出油口21、加热接口22与感温接口23，实际设 置时，可根据实际需要增加额外的接口。
如图1、图2所示，在油分离装置的一具体实施例中，油分离装置包括进气管6、油分离区3和储油区1，储油区1设于油分离区3的底部。通过进气管6进入的气态介质在油分离区3进行油气分离，分离出的油进入储油区1，油气分离后的气态介质流向油分离装置的外部。
油分离区3设置有挡板4和滤网5，挡板4设于滤网5的下方，且迎向进气管6引入的气态介质的流动方向，进气管6引入的气态介质撞击到挡板4的上表面，挡板4起到撞击分离的作用，可以将大的油滴分离出来，完成一级油气分离，一级油气分离后的气态介质经过挡板4分流向四周流动，而分离出来的油通过挡板4的边缘部分流向储油区1；一级油气分离后的气态介质经过挡板4分流向四周流动，继而向上流动，经过滤网5再次进行分离，完成二级油气分离；经过滤网5油气分离后的气态介质流向油分离装置的外部，经过滤网5分离出的油流向储油区1。
如图2所示，在该具体实施例中，油分离区3的截面可以呈V型，储油区1设于油分离区3的底部，油分离区3包括第一侧板31、第二侧板32、第一封板33和第二封板34。第一侧板31与储油区1的一侧连接，第二侧板32与储油区1的另一侧连接，从而使油分离装置形成为具有V形截面的长条形结构。此外，第一封板33安装在该长条结构的一端，且同时与储油区1、第一侧板31、第二侧板32的第一端连接，第二封板34安装在该长条结构的另一端，且同时与储油区1、第一侧板31、第二侧板32的第二端连接。
可选地，储油区1包括第一储油区11和第二储油区12，第一储油区11与其两侧的第一侧板31、第二侧板32连接成具有V字形截面的结构。第二储油区12设于第一储油区11的侧向，第二储油区12与第一储油区11共同形成L型的截面。第二储油区12可以为扁平的长条形结构。
通过上述的第一储油区11和第二储油区12，能够在油分离装置的底部形成一个较大容积的储油空间。从气态介质中分离出的油最终存放在第二储油区12，油位离油分离装置上部的气流有较大距离，可避免气流对油位的二次冲击。
上述实施例中的进气管6可以设于油分离装置的中间位置，当然也可以设于油分离装置的侧边，实际可根据机组需要布置。
本发明的一些实施例还提供了一种油分离装置，其包括储油区1，储油区1的侧向设有导油结构，以将储油区1中的油引向油分离装置的外部，为其他设备供油。
上述实施例中的导油结构可以设有出油口，以将储油区1内的油引向油分离装置的外部，为其他设备供油。
上述实施例中的导油结构可以设有加热接口。加热接口可连接电加热件，开机时对储油区1内的油预热。
上述实施例中的导油结构可以设有感温接口。感温接口可连接感温包，对储油区1内的油进行测温。
如图3、图4所示，为一个或多个实施例提供的冷凝器7，其包括上述的油分离装置8，油分离装置8内置于冷凝器7的内部。
在冷凝器工作时，气态介质从油分离装置8的进气管6引入，引入的气态冷媒撞击到挡板4的上表面，挡板4起到撞击分离的作用，可以将大的油滴分离出来，完成一级油气分离，一级油气分离后的气态冷媒经过挡板4分流向四周流动，而分离出来的油通过挡板4的边缘部分流向储油区1；一级油气分离后四周流动的气态冷媒继而向上运动，经过滤网5再次进行分离，完成二级油气分离；经过滤网5后的气态冷媒流向冷凝器7内的换热管79区域，与换热管79进行换热。而被分离出来的润滑油通过重力作用流进储油区1，用于流回压缩机，为压缩机提供润滑油。
如图3所示，油分离装置8通过支撑组件9设于冷凝器7的壳体71内，且位于壳体71的内顶部。壳体71内还设有换热管79，油分离装置8位于换热管79的上方。可选地，油分离装置8的进气管6可以与壳体71焊接，以加强固定作用。油分离装置8设于壳体71的内顶部，油分离装置8与壳体71之间留有较大的流通空间，供冷媒流通，避免对换热造成影响。
如图4所示，为与冷凝器7内置的油分离装置8中的出油口连通， 在冷凝器7的壳体71上设有回油口72。
可选地，为与冷凝器7内置的油分离装置8中的加热接口和感温接口连通，冷凝器7的壳体71上还设置加热接口73和感温接口74。加热接口73可连接电加热件，开机时预热润滑油，感温接口74可连接感温包进行测温。油分离装置8上设置的导油结构2将储油区1的油引到冷凝器7的壳体71处再进行加热，为后续取消压缩机自带的油分桶提供了满足要求的带内置油分功能的冷凝器。
壳体71的顶部设置气态冷媒入口75，该气态冷媒入口75可以直接为油分离装置8中的进气管6。壳体71的底部设置液体冷媒出口76。壳体71的一侧设有载冷剂进口77和载冷剂出口78。载冷剂进口77和载冷剂出口78连通换热管79，为换热管79与气态冷媒换热提供冷源。可选地，载冷剂可以采用冷水。
在一些实施例中，冷凝器7内置上述的油分离装置8后，在油分离装置8的底部形成一个较大容积的储油区1，可以满足制冷机组系统的储油需求。导油结构2将油引至冷凝器7的壳体71处进行加热，加热件无需伸入冷凝器内；且可以在制冷机组开机前加热润滑油，解决机组刚开启时油的粘度比较大，需要额外配储油罐来加热的问题。另外带有一定斜度的储油区1同时可以提供更好更可靠的回油。
在一些实施例中，储油区1包括第一储油区11和第二储油区12，第二储油区12设于第一储油区11的侧向，能够为润滑油提供较大的储油空间，能够满足整个系统存油的需求；且第二储油区12的油位不容易受上部气流的干扰，液面稳定，回油效果好；再者，又能够合理利用冷凝器7的壳体71内的侧向空间，避免与壳体71内的油分离装置8下方的换热管79产生干涉，提高换热效果。
在一些实施例中，可以通过设置于第一储油区11侧向的第二储油区12将油分离装置8分离出的油引至压缩机。
在一些实施例中，可以通过与储油区1连通的导油结构2将油分离装置8分离出的油引至压缩机。
通过上述具有滤油、储油、回油、加热油等多种功能的带内置油分 功能的冷凝器，能够解决制冷机组压缩机取消自带油分桶后的需求。
如图3、图4所示，上述冷凝器7的具体工作流程为：
压缩机排气口排出的高温气态冷媒与润滑油的混合物通过进气管6进入冷凝器7内的油分离装置8，气态冷媒与挡板4撞击一级油气分离后，又通过滤网5二级油气分离，分离后的气态冷媒进入冷凝器7的壳体71内与换热管79换热，气态冷媒经过换热后冷凝成液态冷媒，从液体冷媒出口76排出。经过与挡板4撞击分离后的压缩机润滑油和滤网5滤下来的压缩机润滑油汇集到油分离装置8底部的储油区1，通过导油结构2的出油口21流回压缩机。
机组停机时润滑油存储在储油区1内，通过感温包监控油温，开机前可通过电加热件可对润滑油进行预热。从而实现上述实施例提供的冷凝器7内置的油分离装置8具有滤油、储油、回油、加热油等多种功能。
在一些实施例中，还提供了一种制冷系统，其包括上述的冷凝器。
上述的制冷系统还可以包括压缩机、蒸发器等。
本实施例提供的制冷系统可以应用于空调等。
在本发明的描述中，需要理解的是，使用“第一”、“第二”等词语来限定零部件，仅仅是为了便于对上述零部件进行区别，如没有另行声明，上述词语并没有特殊含义，因此不能理解为对本发明保护范围的限制。
最后应当说明的是:以上实施例仅用以说明本发明的技术方案而非对其限制；尽管参照较佳实施例对本发明进行了详细的说明，所属领域的普通技术人员应当理解：依然可以对本发明的具体实施方式进行修改或者对部分技术特征进行等同替换；而不脱离本发明技术方案的精神，其均应涵盖在本发明请求保护的技术方案范围当中。

Claims (23)

  1. 一种油分离装置，其特征在于，包括储油区(1)，所述储油区(1)包括：
    第一储油区(11)，用于汇集从气态介质中分离出的油；
    第二储油区(12)，其相对于所述第一储油区(11)远离气态介质，所述第二储油区(12)连通所述第一储油区(1)，能够将第一储油区(11)的油引向其内，以减少气态介质与分离出的油接触。
  2. 如权利要求1所述的油分离装置，其特征在于，所述第一储油区(11)设于所述油分离装置的底部，所述第二储油区(12)设于所述第一储油区(11)的侧向，且连通所述第一储油区(11)的底部。
  3. 如权利要求2所述的油分离装置，其特征在于，所述第二储油区(12)相对于水平面向下倾斜。
  4. 如权利要求2所述的油分离装置，其特征在于，所述储油区(1)包括至少两个所述第二储油区(12)，各所述第二储油区(12)设于所述第一储油区(11)的同一侧。
  5. 如权利要求2所述的油分离装置，其特征在于，所述储油区(1)包括至少两个所述第二储油区(12)，至少一个所述第二储油区(12)与另一所述第二储油区(12)分别位于所述第一储油区(11)的两侧。
  6. 如权利要求4或5所述的油分离装置，其特征在于，位于所述第一储油区(11)同一侧的相邻两个所述第二储油区(12)之间具有间距。
  7. 如权利要求2所述的油分离装置，其特征在于，所述第二储油区(12)设有出油口。
  8. 如权利要求2所述的油分离装置，其特征在于，所述第二储油区(12)设有加热接口。
  9. 如权利要求2所述的油分离装置，其特征在于，所述第二储油区(12)设有感温接口。
  10. 如权利要求1所述的油分离装置，其特征在于，所述储油区(1)的截面呈L型或倒置的T型。
  11. 如权利要求1所述的油分离装置，其特征在于，所述第一储油区(11)通过至少两个连接口与所述第二储油区(12)连通，相邻两个所述连接口之间具有间距。
  12. 如权利要求1所述的油分离装置，其特征在于，所述油分离装置包括导油结构(2)，所述导油结构(2)连通所述第二储油区(12)，所述导油结构(2)向所述第二储油区(12)的侧向延伸，以将所述储油区(1)中的油引向所述油分离装置的外部。
  13. 如权利要求12所述的油分离装置，其特征在于，所述导油结构(2)相对于水平面向下倾斜。
  14. 如权利要求12所述的油分离装置，其特征在于，所述油分离装置包括两个以上所述导油结构(2)，至少一对相邻的两个所述导油结构(2)之间具有间距。
  15. 如权利要求12所述的油分离装置，其特征在于，所述导油结构(2)设有出油口(21)。
  16. 如权利要求12所述的油分离装置，其特征在于，所述导油结构(2)的出油端设有加热接口(22)。
  17. 如权利要求12所述的油分离装置，其特征在于，所述导油结构(2)的出油端设有感温接口(23)。
  18. 一种油分离装置，其特征在于，包括储油区(1)，所述储油区(1)的侧向设有导油结构，以将所述储油区(1)中的油引向所述油分离装置的外部。
  19. 如权利要求18所述的油分离装置，其特征在于，所述导油结构设有出油口。
  20. 如权利要求18所述的油分离装置，其特征在于，所述导油结构设有加热接口。
  21. 如权利要求18所述的油分离装置，其特征在于，所述导油结构设有感温接口。
  22. 一种冷凝器，其特征在于：包括如权利要求1～17任一项或18～21任一项所述的油分离装置。
  23. 一种制冷系统，其特征在于：包括如权利要求22所述的冷凝器。
PCT/CN2018/101327 2017-12-21 2018-08-20 油分离装置、冷凝器及制冷系统 Ceased WO2019119840A1 (zh)

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CN113669936A (zh) * 2021-07-06 2021-11-19 北京国家速滑馆经营有限责任公司 一种用于二氧化碳跨临界制冷系统的回油系统
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CN116182435A (zh) * 2023-02-17 2023-05-30 珠海格力电器股份有限公司 冷凝器的去过热组件、冷凝器和制冷系统

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