WO2021238649A1 - 一种热交换器以及气液分离器 - Google Patents

一种热交换器以及气液分离器 Download PDF

Info

Publication number
WO2021238649A1
WO2021238649A1 PCT/CN2021/093202 CN2021093202W WO2021238649A1 WO 2021238649 A1 WO2021238649 A1 WO 2021238649A1 CN 2021093202 W CN2021093202 W CN 2021093202W WO 2021238649 A1 WO2021238649 A1 WO 2021238649A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchange
head
locking element
gas
exchange tube
Prior art date
Application number
PCT/CN2021/093202
Other languages
English (en)
French (fr)
Inventor
夏江南
张余峰
蒋宗宝
张荣荣
Original Assignee
绍兴三花新能源汽车部件有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 绍兴三花新能源汽车部件有限公司 filed Critical 绍兴三花新能源汽车部件有限公司
Priority to EP21813901.2A priority Critical patent/EP4160116A4/en
Priority to CN202180019681.4A priority patent/CN115398164A/zh
Publication of WO2021238649A1 publication Critical patent/WO2021238649A1/zh

Links

Images

Classifications

    • 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • 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
    • F25B43/006—Accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
    • F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
    • 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—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • 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—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/051—Compression system with heat exchange between particular parts of the system between the accumulator and another part of the cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles

Definitions

  • the invention relates to a heat exchanger used in a vehicle thermal management system and a gas-liquid separator having the heat exchanger.
  • the heat exchanger includes a heat exchange tube and a container.
  • a high-pressure refrigerant flows through the heat exchange tube.
  • a low-pressure refrigerant circulates around the outside of the heat exchange tube.
  • the high-pressure refrigerant releases some of its heat to the low-pressure refrigerant in order to maintain low pressure.
  • Refrigerant, low-pressure refrigerant is located between the container and the heat exchange tube.
  • the heat exchange tube needs to pass through the container and be connected to the refrigerant pipeline of the circulation system.
  • the heat exchange tube and the container cover must be assembled in a pressure-tight manner, and the sealing method is more complicated. When the pressure level difference between each container space is large, it is difficult to seal.
  • the heat exchange tube and the container cover can be assembled by arranging a connecting member on the heat exchange tube, and the connecting member can bear the load in the axial direction and be connected and sealed with the container cover. From the point of view of the connecting member, the processing difficulty of the heat exchange tube is increased.
  • the purpose of the present invention is to design a heat exchanger and a gas-liquid separator with the heat exchanger, which can improve the sealability of the heat exchange tube and the container, and simplify the processing difficulty of the heat exchange tube.
  • a heat exchanger includes a container and a heat exchange tube.
  • the heat exchange tube includes a heat exchange main body.
  • the heat exchange main body of the heat exchange tube is located in the container. At least one end of the heat exchange tube is connected to
  • the container is restricted or fixedly connected, the end has an assembling part, the container has an insertion opening, the end of the heat exchange tube is at least partially inserted into the insertion opening, the container includes a locking part, and the locking Part is located at the peripheral wall of the insertion port,
  • the heat exchanger further includes a locking element, the locking element and the heat exchange tube are formed separately, and the locking element is at least partially located at the locking part and the assembling part, so
  • the heat exchange tube is limited or fixedly connected with the container.
  • the application also discloses a gas-liquid separator, including the above heat exchanger, the container includes a head and a shell, and the shell and the head are sealed and fixedly connected.
  • the heat exchanger includes a locking element
  • the end of the heat exchanger includes an assembling part
  • the locking element and the heat exchange tube are separately processed and formed
  • the processing difficulty of the locking element and the heat exchange tube is small
  • the container includes a locking part and an insert
  • the locking part is located at the peripheral wall of the insertion port
  • the locking element is at least partially located at the locking part and the assembling part
  • the heat exchange tube is limited or fixedly connected with the container, which is convenient for assembly.
  • the whole heat exchanger has a simple structure and low production cost.
  • the gas-liquid separator adopting the heat exchanger in the above scheme has good sealing performance and low production cost.
  • FIG. 1 is a schematic structural diagram of a heat exchanger provided by this application.
  • FIG. 2 is a schematic diagram of a partial enlarged structure of part A shown in FIG. 1;
  • FIG. 3 is a schematic diagram of the structure of the joint of the container heat exchange tube in FIG. 2;
  • FIG. 4 is a schematic diagram of a partial cross-sectional structure of the heat exchange tube in FIG. 1;
  • Fig. 5 is a schematic diagram of a three-dimensional structure of the heat exchange tube in Fig. 1;
  • Fig. 6 is a schematic top view of an embodiment of the locking element in Fig. 2;
  • Fig. 7 is a schematic cross-sectional structure diagram of the locking element in Fig. 6 in the direction of C-C;
  • Fig. 8 is a three-dimensional structural diagram of an embodiment of the locking element in Fig. 2;
  • FIG. 9 is a schematic cross-sectional structure diagram of a gas-liquid separator with a heat exchanger provided by this application.
  • Fig. 10 is a schematic diagram of the working principle of the gas-liquid separator of Fig. 9.
  • the thermal management system of the vehicle includes a gas-liquid separator, which is used to separate the liquid and gaseous components of the working medium in the thermal management system.
  • the working medium is mainly a refrigerant, and the refrigerant includes a carbon dioxide refrigerant.
  • the gas-liquid separator includes a heat exchanger, and the heat exchanger includes a heat exchange tube and a container.
  • the high-pressure refrigerant inside the heat exchange tube can heat the low-pressure refrigerant between the outside of the heat exchange tube and the inside of the container. exchange.
  • the heat exchanger in this application can also be used for other heat exchange requirements or used alone.
  • the heat exchanger 1 includes a container 11 and a heat exchange tube 12.
  • the heat exchange body 123 of the heat exchange tube is located in the container 11, and at least one end of the heat exchange tube 12 It is connected with the container 11 in a position limit.
  • the heat exchange tube and the container are specifically locked in connection.
  • At least one end of the heat exchange tube 12 includes an assembly portion 121.
  • both ends of the heat exchange tube are provided with Assembling part
  • the container 11 has an insertion port 111
  • the container 11 includes a locking part 112
  • the locking part 112 is in communication with the insertion port 111.
  • the heat exchanger 1 also includes a locking element 13 which is formed separately from the heat exchange tube 12, and the locking element 13 Located between the locking part 112 and the assembling part 121, in this embodiment, the heat exchange tube 12 and the container 11 are restricted by the locking element 13 to limit the relative position of the heat exchange tube and the container.
  • elements other than the locking element can also be added to limit the position. It can be fixed or fixed, and it can also adopt a direct fixed connection method.
  • the locking element can be welded and fixed with the heat exchange tube and the container. The limit and fixing method are not limited.
  • the locking element 13 and the heat exchange tube 12 can be processed separately, and the processing difficulty is small.
  • the locking element 13 is limited to the locking part 112 and the assembly part 121.
  • the heat exchange tube 12 and the container 11 is locked by the locking element 13 and the assembly is safe, reliable and convenient.
  • the heat exchanger of the invention has simple structure and low production cost.
  • the assembling part 121 further includes a high-pressure sealing part 122.
  • the high-pressure sealing part 122 is farther away from the heat exchange main part 123 of the heat exchange tube 12 than the locking element 13 .
  • the high-pressure sealing portion 122 and the container 11 are hermetically connected.
  • the high-pressure sealing portion 122 and the container 11 may be directly sealed by welding, or may be indirectly sealed by a sealing ring, and the fixing method is not limited.
  • the high-pressure sealing portion 122 is provided with a first groove 1221
  • the heat exchanger further includes a sealing ring 14, the sealing ring 14 is placed in the first groove 1221, the high-pressure sealing portion 122 It is connected to the container 11 by a sealing ring 14.
  • the assembling part 121 is provided with a second groove 1222.
  • the first groove 1211 is farther away from the heat exchange body 123 of the heat exchange tube 12 than the second groove 1222.
  • the locking element 13 is located at the second groove 1222. Two grooves 1222, the assembling part 121 is clamped with the locking element 13, where the first groove and the second groove may be arc-shaped grooves, square grooves, etc., and the groove form is not limited.
  • the locking element 13 includes an inner clamping portion 131 and an outer clamping portion 132, and the inner clamping portion includes a first mounting portion 1311, a first connecting portion 1312, and a first buckling portion 1313
  • the outer clamping portion 132 includes a second mounting portion 1321, a second connecting portion 1322, and a second buckling portion 1323.
  • the first connecting portion 1312 is connected to the second connecting portion 1322, and the inner clamping portion and the outer clamping portion pass through the A connecting portion 1312 and the second connecting portion 1322 are connected as a whole, the first clamping portion 1313 abuts against the groove wall of the second groove 1222 of the assembling portion, and the second clamping portion 1322 abuts against the locking portion 112.
  • the top surface of the first mounting portion 1311 abuts the container, the bottom surface of the first mounting portion is at least partially fixedly connected to the top surface of the second connecting portion, and the outer side surface of the second connecting portion is at least partially fixedly connected to the first buckle portion 1313 , So that a first resilient space 134 is formed between the first buckling portion 1313, the first connecting portion 1312 and the second connecting portion 1322, the bottom surface of the second buckling portion abuts against the container, and the inner side surface of the second connecting portion is at least The part is fixedly connected to the second buckle portion, so that a second resilience space 135 is formed between the second buckle portion, the first connection portion, and the second connection portion.
  • the fastener is detachably connected with the container, the processing cost is low, and the manufacturing is convenient.
  • the number of the inner clamping portion 131 is at least one
  • the number of the outer clamping portion 132 is at least one
  • one of the first buckling portion 1313 and the second buckling portion 1323 is located on the locking element 13
  • the inner wall and the other is located on the outer wall of the locking element 13.
  • the inner clamping portion 131 and the outer connectable portion 132 are arranged inside and outside, and can be arranged one by one or in a staggered arrangement.
  • the inner clamping portion 131 and the outer clamping portion 132 are ring-shaped In an integrated structure that is connected to each other, the connection mode of the inner clamping part and the outer connectable part can also be other forms, which are not limited.
  • the container 11 includes a locking portion 112.
  • the container 11 has an insertion opening 111.
  • the end of the heat exchange tube 12 is at least partially inserted into the insertion opening 111.
  • the locking portion 112 is located at the peripheral wall of the insertion opening 111.
  • the design of the element 13 and the insertion port 111 is easy to assemble, and the form of the insertion port here can be a cylindrical insertion port or a square insertion port, and the form of the insertion port is not limited.
  • the locking portion 112 is a placement groove
  • the placement groove includes a first locking element placement groove 1121 and a second locking element placement groove 1122, a first locking element placement groove 1121 and a second locking element placement groove 1122
  • the connection is provided with a step 1123, the first buckle portion 1323 is placed in the first locking element placement groove 1121, the first buckle portion 1323 abuts against the groove wall of the second groove 1222 of the assembling portion 121, and the second buckle The portion 1323 is placed in the second locking element placement groove 1122, the second buckle portion 1323 is located in abutment with the step 1123, and the side wall of the first connecting portion 1312 abuts against the inner wall of the first locking element placement groove 1121.
  • the gas-liquid separator 2 has the above heat exchanger 1
  • the container includes a head 21 and a shell 22, the head 21 and the shell 22 are sealed and fixedly connected
  • the head 21 includes a first head 211 and the second sealing head 212
  • the first sealing head 211 has a high temperature and high pressure liquid inlet 2112
  • the second sealing head 212 has a high temperature and high pressure liquid outlet 2122
  • the first sealing head 211 and the end of the heat exchange tube 12 pass through a locking element 13' limit clamp connection
  • the second sealing head 212 is clamped with the end of the heat exchange tube through the locking element 13" limit clamp
  • the high temperature and high pressure liquid inlet 2112 is connected with one end of the heat exchange tube 12, the high temperature and high pressure liquid outlet 2122
  • the housing 22 includes an outer housing 221 and an inner housing 222.
  • the first head 211 and the outer housing 221 are sealed and fixedly connected, and the second head 212 and the outer housing 221 are sealed and fixedly connected.
  • a accommodating cavity 23 is formed between the body 22 and the head 21.
  • the accommodating cavity 23 includes a first cavity 231 and a second cavity 232.
  • the first cavity 231 includes at least the part between the inner housing 222 and the outer housing 221.
  • the second cavity 232 includes at least the part between the head 21 and the inner housing 222, and the first cavity 231 and the second cavity 232 are in communication.
  • the gas-liquid separator 2 further includes a gas-liquid separation device 24, which is located in the first cavity 231.
  • the gas-liquid separation device includes a screw 241, a deflector 242, a suction pipe assembly 243, and a fixed
  • the first head 211 and the inner housing 222 are fixedly connected by a fixing part 244.
  • the inner housing 222, the first head 211 and the fixing part 244 form a first cavity 231, and the first head 211 is provided with a working medium Inlet 2111, where the working medium is a gas-liquid mixture, the inlet 2111 is connected to the screw 241, the screw 241 is limited to the first head 211, the outlet direction of the screw 241 is along the tangential direction of the side wall of the inner casing, the screw 241 It is at least partly arranged in the fixing member 244, the deflector 242 is located below the screw 241, and the suction pipe assembly 243 is used for conveying the gaseous working medium component out of the inner casing in a pipe conveying manner.
  • the working medium is a gas-liquid mixture
  • One end of the suction pipe assembly 243 is limited to the first head 211, and the other end is freely arranged in the first cavity 231.
  • the spiral part of the screw 241 is at least partially tightly fitted and restricted with the suction pipe assembly 243. This arrangement structure is not only firm and tight.
  • the screw is fixed to the ground, and the gas-liquid mixture can be tangentially transferred from the outlet of the screw to the inner shell.
  • the deflector 242 includes a deflector, which is an annular deflector, and the deflector is arranged outwards along the inner wall of the inlet end of the deflector 242, and the deflector can transfer the working medium Guided to the inner wall of the inner shell 222 facilitates the separation of gas-liquid and liquid working medium.
  • the suction pipe assembly 243 includes an outer suction pipe 2431, an inner suction pipe 2432, and an oil return device 2433.
  • the outer suction pipe 2431 and the deflector 242 are an integral structure.
  • the oil return device 2433 is located at the outer suction pipe 2431 near the second head 212.
  • the inner suction pipe 2432 is located in the outer suction pipe 2431, the inner suction pipe 2432 is in communication with the first head 211, and the outer suction pipe 2431 is used to pipe the gaseous refrigerant components from the screw 241 and the deflector 242 The way is output to the oil return device for enriching the gaseous refrigerant with oil, and the inner suction pipe 2432 is used to transport the gaseous refrigerant components from the oil return device through the first head 211 and leave the first The cavity 231 enters the second cavity 232.
  • the gas-liquid separator further includes a drying bag 25, the outer suction pipe 2431 has a limiting portion 251, the limiting portion 251 is a protrusion with a set distance apart, the drying bag 25 passes through the limiting portion and the outer suction pipe 2431 Limit, the drying bag can absorb the moisture in the working medium.
  • the first head 211 is provided with a circulation channel connecting the first cavity 231 and the second cavity 232
  • the second cavity 232 is equipped with a heat exchange main body 123 of a heat exchange tube
  • the heat exchange main body of the heat exchange tube The part 123 at least partially includes a spiral tube 1231, a straight tube 1232, and a fin 1233.
  • the spiral tube and the straight tube are in an integrated structure.
  • the spiral tube and the straight tube are connected.
  • the spiral tube can be a round tube or a flat tube.
  • the tube form is not limited here.
  • the inner wall of the spiral tube 1231 is arranged in close contact with the outer wall of the inner shell 222 through the fin 1233, the spiral tube may not be provided with the fin 1233, and a spiral channel 1234 is formed between the spiral tube 1231 and the inner shell 222 and the outer shell 221 ,
  • the heat exchange tube is equipped with a high temperature and high pressure working medium.
  • a low temperature and low pressure separated gaseous working medium flows between the inner shell 222 and the outer shell 221.
  • the low temperature and low pressure gaseous working medium and the high temperature and high pressure working medium are in the spiral channel.
  • the spiral channel is helpful to improve the heat exchange efficiency between the working media.
  • the straight pipe is located at the end of the inner shell liquid storage. The arrangement of the straight pipe relatively reduces the heat evaporation of the liquid phase refrigerant in the liquid storage section. , Is conducive to maintaining liquid storage.
  • the gas-liquid separator further includes a filter 26 and an air outlet 2121.
  • the filter 26 is covered at the air outlet 2121 and fixed between the bottom of the housing at the liquid storage end of the inner housing 222 and the second head 212
  • the heat exchanger has a straight tube 1232 with an end penetrating the filter 26, and the heat exchange tube having a straight tube at least partially penetrates the filter, and is clamped with the second head high temperature and high pressure liquid outlet 2122 through the locking element 13".
  • the filter 26 can filter the gas after heat exchange, so that the gas that may enter the compressor is more pure, and the problems caused by impurities are reduced.
  • the gas-liquid two-phase low-temperature and low-pressure working medium can enter the screw 241 through the inlet 2111, mix through the screw 241, and leave the screw 241 through the outlet of the screw.
  • the gas-liquid mixed working medium in the cavity 231 moves along the inner wall of the inner casing 22, the gas-phase working medium rises, the liquid-phase working medium sinks, the liquid-phase working medium is stored in the first cavity 231 (low pressure liquid storage chamber), and the gas-phase working medium Ascend, enter the outer suction pipe 2431 from the inlet of the outer suction pipe.
  • the outer suction pipe brings the gas phase working medium to the oil return device 2433.
  • the oil return device 2433 makes the gas phase working medium carry oil, and the gas phase working medium with oil enters the internal suction
  • the pipe 2432 flows into the communication channel in the first head 211 and enters the second cavity 232.
  • the gas-phase working medium leaves the first head 221 along the space formed between the fixing member 244 and the outer shell 221, and slowly flows into the spiral pipe
  • a spiral channel 1234 is formed between 1231 and the inner shell 222 and the outer shell 221.
  • the heat exchange tube contains a high-temperature and high-pressure working medium, and a low-temperature and low-pressure separated gaseous working medium flows between the inner shell 22 and the outer shell 21.
  • the low-temperature and low-pressure gaseous working medium and the high-temperature and high-pressure working medium exchange heat between the spiral channel 1234, and the gas-phase working medium after the heat exchange flows along the straight pipe to the filter 26 at the second head 212, and the heat exchange
  • the latter gaseous working medium leaves the gas-liquid separator through the gas outlet 2121 after being filtered by the filter 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

一种热交换器（1），包括容器（11）以及热交换管（12），热交换管（12）包括位于容器（11）内的换热主体部（123），热交换管（12）的至少一端部与容器（11）限位或固定连接，端部具有装配部（121），容器（11）具有***口（111），热交换管（12）的端部至少部分***所述***口（111），容器（11）包括锁定部（112），锁定部（112）位于容器（11）***口（111）周壁处，热交换器（1）还包括锁定元件（13），锁定元件（13）与热交换管（12）分别成形，锁定元件（13）至少部分位于锁定部（112）和装配部（121），热交换管（12）与容器（11）通过锁定元件（13）限位或者固定连接。

Description

一种热交换器以及气液分离器
本申请要求2020年05月29日提交中国专利局、申请号为202010473025.9、发明名称为“一种热交换器以及气液分离器”的发明专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及一种应用于车辆热管理***中的热交换器以及具有该热交换器的气液分离器。
背景技术
热交换器包括热交换管和容器，热交换管的内部有高压制冷剂流过，热交换管的外部周围有低压制冷剂循环，高压制冷剂将其一些热量释放给低压制冷剂，为了保持低压制冷剂，低压制冷剂位于容器和热交换管之间，热交换管需要穿过容器，与循环***的制冷剂管线连接。热交换管和容器盖必须以压力密封的方式组装，密封方式较复杂，当各个容器空间之间的压力水平差较大时，难以密封。
目前，热交换管和容器盖的组装可以通过在热交换管设置连接构件，该连接构件可以在轴向上承受载荷并与容器盖连接密封。从连接构件的角度来看，使得热交换管加工难度增大。
发明内容
本发明的目的是设计一种热交换器以及具有该热交换器的气液分离器，能够提高热交换管与容器的密封性，同时简化热交换管的加工难度。
本发明采用以下技术方案：
一种热交换器，包括容器以及热交换管，所述热交换管包括换热主体部，所述热交换管的换热主体部位于所述容器内，所述热交换管的至少一端部与所述容器限位或固定连接，所述端部具有装配部，所述容器具有***口，所述热交换管的端部至少部分***所述***口，所述容器包括锁定 部，所述锁定部位于所述***口周壁处，所述热交换器还包括锁定元件，所述锁定元件与所述热交换管分别成形，所述锁定元件至少部分位于所述锁定部和所述装配部，所述热交换管与所述容器限位或者固定连接。
本申请还公开了一种气液分离器，包括上述热交换器，所述容器包括封头和壳体，所述壳体和所述封头密封固定连接。
上述技术方案中，热交换器包括锁定元件，热交换器的端部包括装配部，锁定元件和热交换管分别单独加工成型，锁定元件和热交换管的加工难度小，容器包括锁定部和***口，锁定部位于***口周壁处，锁定元件至少部分位于锁定部和装配部，热交换管与容器限位或固定连接，装配方便。整个热交换器结构简单，生产成本低。采用上述方案中热交换器的气液分离器密封性能好，生产成本低。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。
图1为本申请提供的一种热交换器的结构示意图；
图2为图1所示A部的局部放大结构示意图；
图3为图2中容器热交换管连接处的结构示意图；
图4为图1中热交换管的部分剖面结构示意图；
图5为图1中热交换管的一种立体结构示意图；
图6为图2中锁定元件的一种实施方式的俯视结构示意图；
图7为图6中锁定元件的C-C方向的剖面结构示意图；
图8为图2中锁定元件的一种实施方式的立体结构示意图；
图9为本申请提供的一种带有热交换器的气液分离器的的一个剖面结构示意图；
图10为图9气液分离器的工作原理示意图。
具体实施方式
下面结合附图对实施例进行说明。
车辆的热管理***包括气液分离器，气液分离器用于分离热管理***中工作介质的液态组分与气态组分，该工作介质主要为制冷剂，制冷剂包括二氧化碳制冷剂。本申请中，气液分离器包括热交换器，热交换器包括热交换管和容器，热交换管内部的高压制冷剂能够与位于热交换管的外部和容器内部之间的低压制冷剂进行热交换。当然本申请中的热交换器也可以用于有其他换热需求的情况或单独进行使用。
本实施例中，结合图1至图9，热交换器1，包括容器11以及热交换管12，热交换管的换热主体部123位于容器11内，至少所述热交换管12的一端部与容器11限位连接，本实施例中，热交换管与容器具体为锁定连接，热交换管12至少一个端部包括装配部121，本实施例中，热交换管的两端部都设有装配部，容器11具有***口111，容器11包括锁定部112，锁定部112与***口111连通，热交换器1还包括锁定元件13，锁定元件13与热交换管12分别成形，锁定元件13位于锁定部112和装配部121之间，本实施例中，热交换管12与容器11通过锁定元件13限制热交换管和容器的相对位置，当然，这里也可以增加锁定元件以外的元件进行限位或者固定，也可以采用直接的固定连接方式，锁定元件可以采用焊丝，热交换管与容器焊接固定，限位和固定方式不限。
该锁定元件13和热交换管12可以单独进行加工，加工难度小，锁定元件13限位于锁定部112和装配部121之间，当热交换管12******口111后，热交换管12与容器11通过锁定元件13限位锁定，装配安全可靠且方便。本发明热交换器结构简单，生产成本低。
结合图2和图4，本实施例中，装配部121还包括高压密封部122，沿装配部121的轴向，高压密封部122比锁定元件13更远离热交换管12的换热主体部123，高压密封部122与容器11密封连接。高压密封部122与容器11可以通过焊接直接进行密封，也可以通过密封圈进行间接密封，固定方式不限。
结合图2、4和5，本实施例中，高压密封部122设有第一凹槽1221，热交换器还包括密封圈14，密封圈14置于第一凹槽1221内，高压密封部 122与容器11通过密封圈14密封连接，装配部121设有第二凹槽1222，第一凹槽1211比第二凹槽1222更远离热交换管12的换热主体部123，锁定元件13位于第二凹槽1222，装配部121与锁定元件13卡接，这里第一凹槽和第二凹槽可以为圆弧形凹槽，方形凹槽等，凹槽形式不限。
结合图6和7，本实施例中，锁定元件13包括内卡接部131和外卡接部132，内卡接部包括第一安装部1311、第一连接部1312以及第一卡扣部1313，外卡接部132包括第二安装部1321、第二连接部1322以及第二卡扣部1323，第一连接部1312与第二连接部1322连接，内卡接部与外卡接部通过第一连接部1312与第二连接部1322连接为一体，第一卡接部1313与装配部的第二凹槽1222的槽壁抵接，第二卡接部1322与锁定部112抵接。第一安装部1311的顶面与容器抵接，第一安装部的底面与第二连接部的顶面至少部分固定连接，第二连接部的外侧面至少部分与第一卡扣部1313固定连接，使得第一卡扣部1313、第一连接部1312以及第二连接部1322之间形成第一回弹空间134，第二卡接部的底面与容器抵接，第二连接部的内侧面至少部分与第二卡扣部固定连接，使得第二卡扣部、第一连接部以及第二连接部之间形成第二回弹空间135。卡扣件与容器可拆卸连接，加工成本低，制造方便。
结合图8，本实施例中，内卡接部131的数量至少为一个，外卡接部132的数量至少为一个，第一卡扣部1313与第二卡扣部1323其一位于锁定元件13内壁，另一位于锁定元件13外壁，内卡接部131与外可接部132内外设置，可以一一对应设置，也可以错位设置，这里内卡接部131和外卡接部132为环状相互连接的一体结构，内卡接部和外可接部的连接方式也可以是其他形式，不做限制。
本实施例中，容器11包括锁定部112，容器11具有***口111，热交换管12的端部至少部分******口111，锁定部112位于***口111周壁处，锁定部112用于安置锁定元件13，***口111的设计易于装配，这里***口的形式可以为圆柱状***口、方形***口，***口形式不限。
结合图3，本实施例中，锁定部112为放置槽，放置槽包括第一锁定元件放置槽1121和第二锁定元件放置槽1122，第一锁定元件放置槽1121和第二锁定元件放置槽1122连接处设有台阶1123，第一卡扣部1323放置 在第一锁定元件放置槽1121内，第一卡扣部1323与装配部121的第二凹槽1222的槽壁抵接，第二卡扣部1323放置在第二锁定元件放置槽1122内，第二卡扣部1323位于与台阶1123抵接，第一连接部1312的侧壁抵接于第一锁定元件放置槽1121的内壁。
结合图9，本实施例中，气液分离器2具有上述热交换器1，容器包括封头21和壳体22，封头21和壳体22密封固定连接，封头21包括第一封头211和第二封头212，第一封头211具有高温高压进液口2112，第二封头212具有高温高压出液口2122，第一封头211与热交换管12的端部通过锁定元件13’限位卡接，第二封头212与热交换管的端部通过锁定元件13”限位卡接，高温高压进液口2112与热交换管12的一端连通，高温高压出液口2122与热交换管12的另一端连通，壳体22包括外壳体221和内壳体222，第一封头211和外壳体221密封固定连接，第二封头212和外壳体221密封固定连接，壳体22和封头21之间形成容置腔23，容置腔23包括第一腔231和第二腔232，第一腔231至少包括内壳体222和外壳体221之间部分，第二腔232至少包括封头21和内壳体222之间的部分，第一腔231和第二腔232连通。
本实施例中，气液分离器2还包括气液分离装置24，气液分离装置24位于第一腔231内，气液分离装置包括螺旋器241、导流器242、吸入管组件243以及固定件244，第一封头211和内壳体222通过固定件244固定连接，内壳体222、第一封头211以及固定件244形成第一腔231，第一封头211设有工作介质的进口2111，这里工作介质为气液混合物，进口2111与螺旋器241连通，螺旋器241与第一封头211限位，螺旋器241的出口方向沿内壳体侧壁的切线方向，螺旋器241至少部分设于固定件244内，导流器242位于螺旋器241的下方，吸入管组件243用于将气态工作介质组分以管输送的方式输出内壳体。吸入管组件243的一端限位于第一封头211，另一端自由设于第一腔231内，螺旋器241的螺旋部至少部分与吸入管组件243紧配限位，这种设置结构不仅牢固紧密地固定螺旋器，而且能使气液混合物切向地传递出螺旋器的出口至内壳体。
本实施例中，导流器242包括导流部，导流部为一圆环形导流板，导流板沿着导流器242的入口端内壁向外设置，导流部可以将工作介质引导 至内壳体222的内壁部，有助于气液和液态工作介质的分离。吸入管组件243包括外吸入管2431、内吸入管2432以及回油装置2433，外吸入管2431和导流器242为一体结构，回油装置2433设于外吸入管2431靠近第二封头212的一端，内吸入管2432位于外吸入管2431内，内吸入管2432与第一封头211连通，外吸入管2431用于将气态制冷剂组分从螺旋器241和导流器242以用管输送的方式输出至用于使气态制冷剂富含油的回油装置，内吸入管2432用于以用管输送的方式使气态制冷剂组分从回油装置穿过第一封头211离开第一腔231进入第二腔232。
本实施例中，气液分离器还包括干燥包25，外吸入管2431具有限位部251，限位部251为间隔设定距离的凸起，干燥包25通过限位部与外吸入管2431限位，干燥包可以吸收工作介质中的水分。
本实施例中，第一封头211中设有连通第一腔231和第二腔232的流通通道，第二腔232内装有热交换管的换热主体部123，热交换管的换热主体部123至少部分包括螺旋管1231、直管1232、翅片1233，螺旋管和直管为一体结构，螺旋管和直管连通，螺旋管可以是圆管、扁管，这里管的形式不做限制，螺旋管1231的内壁通过翅片1233和内壳体222的外壁紧贴设置，螺旋管也可以不设置翅片1233，螺旋管1231与内壳体222和外壳体221之间形成螺旋形通道1234，热交换管内装有高温高压的工作介质，内壳体222和外壳体221之间流有低温低压的分离后的气态工作介质，低温低压的气态工作介质与高温高压的工作介质在螺旋形通道之间进行热交换，螺旋形的通道有利于提高工作介质之间的热交换效率，直管位于内壳体贮液的一端，直管的设置相对减少贮液段中液相制冷剂的受热蒸发，有利于维持贮液量。
本实施例中，气液分离器还包括过滤器26和出气口2121，过滤器26罩于出气口2121，固定于内壳体222的贮液一端的壳体底部和第二封头212之间，热交换器具有直管1232的末端穿透过滤器26，热交换管具有直管的末端至少部分穿过过滤器，通过锁定元件13”与第二封头高温高压出液口2122卡接。过滤器26能够过滤经过换热之后的气体，使得可能进入压缩机的气体更加纯净，减少因杂质而产生的问题。
结合图10，气液分离器在工作中，气液两相低温低压工作介质能够通 过进口2111进入螺旋器241内，经过螺旋器241混合后，经过螺旋器的出口离开螺旋器241，在第一腔231气液混合工作介质沿着内壳体22的内壁运动，气相工作介质上升，液相工作介质下沉，液相工作介质贮存在第一腔231(低压储液腔)内，气相工作介质上升，从外吸入管的入口进入外吸入管2431，外吸入管将气相工作介质带到回油装置2433，回油装置2433使气相工作介质带有油，带有油的气相工作介质进入内吸入管2432，流入第一封头211中的连通通道进入第二腔232，气相工作介质从第一封头221离开沿着固定件244和外壳体221的之间形成的空间，缓缓流入螺旋管1231与内壳体222和外壳体221之间形成螺旋形通道1234，热交换管内装有高温高压的工作介质，内壳体22和外壳体21之间流有低温低压的分离后的气态工作介质，低温低压的气态工作介质与高温高压的工作介质在螺旋形通道1234之间进行热交换，热交换后的气相工作介质沿着直管方向流向第二封头212处的过滤器26，换热后的气态工作介质经过滤器26过滤后从出气口2121离开气液分离器。
需要说明的是：以上实施例仅用于说明本发明而并非限制本发明所描述的技术方案，例如对“前”、“后”、“左”、“右”、“上”、“下”等方向性的界定，尽管本说明书参照上述的实施例对本发明已进行了详细的说明，但是，本领域的普通技术人员应当理解，所属技术领域的技术人员仍然可以对本发明进行修改或者等同替换，而一切不脱离本发明的精神和范围的技术方案及其改进，均应涵盖在本发明的权利要求范围内。

Claims (13)

  1. 一种热交换器，包括容器以及热交换管，所述热交换管包括换热主体部，所述热交换管的换热主体部位于所述容器内，所述热交换管的至少一端部与所述容器限位或固定连接，所述端部具有装配部，所述容器具有***口，所述热交换管的端部至少部分***所述***口，所述容器包括锁定部，所述锁定部位于所述***口周壁处，所述热交换器还包括锁定元件，所述锁定元件与所述热交换管分别成形，所述锁定元件至少部分位于所述锁定部和所述装配部，所述热交换管与所述容器限位或者固定连接。
  2. 如权利要求1所述的热交换器，其特征在于，所述装配部包括高压密封部，沿所述装配部的轴向，所述高压密封部比所述锁定元件更远离所述热交换管的换热主体部，所述高压密封部与所述容器密封连接。
  3. 如权利要求2所述的热交换器，其特征在于，所述高压密封部具有第一凹槽，所述热交换器还包括密封圈，所述密封圈至少部分置于所述第一凹槽内，所述高压密封部与所述容器通过密封圈密封连接，所述装配部设有第二凹槽，所述第一凹槽比所述第二凹槽更远离所述热交换管的换热主体部，所述锁定元件至少部分位于所述第二凹槽内，所述装配部与所述锁定元件卡接。
  4. 根据权利要求1-3任一项所述的热交换器，其特征在于，所述锁定元件包括内卡接部和外卡接部，所述内卡接部包括第一连接部和第一卡扣部，所述外卡接部包括第二连接部和第二卡扣部，所述第一连接部与所述第二连接部连接，所述第一卡接部与所述装配部的第二凹槽的槽壁抵接，所述第二卡接部与所述锁定部抵接。
  5. 根据权利要求4所述的热交换器，其特征在于，所述内卡接部包括第一安装部，所述外卡接部包括第二安装部，所述第一安装部的顶面与所述容器抵接，所述第一安装部的底面与所述第二连接部的顶面至少部分固定连接，所述第二连接部的外侧面至少部分与所述第一卡扣部固定连接，使得所述第一卡扣部、所述第一连接部以及所述第二连接部之间形成第一回弹空间，所述第二卡接部的底面与所述容器抵接，所述第二连接部的内侧面至少部分与所述第二卡扣部固定连接，使得所述第二卡扣部、所述第一连接部以及所述第二连接部之间形成第二回弹空间。6、根据权利要求5 所述的热交换器，其特征在于，所述第一卡扣部的数量至少为一个，所述第二卡扣部的数量至少为一个，所述第一卡扣部与所述第二卡扣部其一位于所述锁定元件内壁，另一位于所述锁定元件外壁，所述内卡扣部和所述外卡扣部为一体结构。
  6. 如权利要求6所述的热交换器，其特征在于，所述锁定部具有自所述***口的内壁凹陷形成的放置槽，所述锁定元件至少部分位于所述放置槽内。
  7. 如权利要求7所述的热交换器，其特征在于，所述放置槽包括第一锁定元件放置槽和第二锁定元件放置槽，所述第一锁定元件放置槽和第二元件放置槽连接处设有台阶，所述第一卡扣部放置在第一锁定元件放置槽内；所述第二卡扣部放置在所述第二锁定元件放置槽内，所述第二卡扣部与台阶抵接，所述第一连接部的侧壁抵接所述第一锁定元件放置槽的内壁。
  8. 一种气液分离器，包括权利要求1至8任一项所述的热交换器，所述容器包括封头和壳体，所述壳体和所述封头密封固定连接。
  9. 如权利要求9所述的气液分离器，其特征在于，所述封头包括第一封头和第二封头，所述第一封头具有高温高压进液口，所述第二封头具有高温高压出液口，所述第一封头与所述热交换管通过所述锁定元件卡接，所述第二封头与所述热交换管通过所述锁定元件卡接，所述壳体包括外壳体和内壳体，所述第一封头和所述外壳体密封固定连接，所述第二封头和所述外壳体密封固定连接，所述壳体和所述封头之间形成容置腔，所述容置腔包括第一腔和第二腔，所述第一腔至少包括所述内壳体和所述外壳体之间部分，所述第二腔至少包括所述封头和所述内壳体之间的部分，所述第一腔和所述第二腔连通。
  10. 如权利要求10所述的气液分离器，其特征在于，所述气液分离器还包括气液分离装置，所述气液分离装置位于所述第一腔内，所述第一封头和所述内壳体通过所述固定件固定连接，所述内壳体、所述第一封头以及所述固定件形成第一腔，所述第一封头设有气液混合物进口。
  11. 如权利要求11所述的气液分离器，其特征在于，所述气液分离装置包括螺旋器、导流器、固定件以及吸入管组件，所述气液混合物进口与所述螺旋器连通，所述螺旋器与所述第一封头固定，所述螺旋器的出口方 向垂直于所述气液分离器的轴线，所述螺旋器至少部分设于所述固定件内，所述导流器安置在所述螺旋器的下方，所述吸入管组件用于将气态制冷剂组分以管输送的方式输出气液分离器。
  12. 如权利要求12所述的气液分离器，其特征在于，所述第一封头中还设有连通所述第一腔和所述第二腔的流通通道，所述热交换管的换热主体部位于所述第二腔内，所述热交换管的主体部至少包括螺旋管、翅片和直管，所述螺旋管和所述直管连通，所述螺旋管和所述直管为一体结构，所述螺旋管的内壁通过所述翅片和所述内壳体的外壁紧贴设置，所述螺旋管与所述内壳体外壁和所述外壳体内壁之间形成螺旋形通道，所述直管位于所述内壳体贮液的一端。
  13. 如权利要求13所述的气液分离器，其特征在于，所述气液分离器还包括过滤器和出气口，所述过滤器罩设于所述出气口，所述过滤器固定于所述内壳体贮液的一端壳体底部和所述第二封头之间，所述热交换管具有直管的末端至少部分穿过所述过滤器与所述第二封头高温高压出液口卡接。
PCT/CN2021/093202 2020-05-29 2021-05-12 一种热交换器以及气液分离器 WO2021238649A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP21813901.2A EP4160116A4 (en) 2020-05-29 2021-05-12 HEAT EXCHANGER AND GAS-LIQUID SEPARATOR
CN202180019681.4A CN115398164A (zh) 2020-05-29 2021-05-12 一种热交换器以及气液分离器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010473025 2020-05-29
CN202010473025.9 2020-05-29

Publications (1)

Publication Number Publication Date
WO2021238649A1 true WO2021238649A1 (zh) 2021-12-02

Family

ID=78745598

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/093202 WO2021238649A1 (zh) 2020-05-29 2021-05-12 一种热交换器以及气液分离器

Country Status (3)

Country Link
EP (1) EP4160116A4 (zh)
CN (1) CN115398164A (zh)
WO (1) WO2021238649A1 (zh)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080223073A1 (en) * 2005-02-03 2008-09-18 Halla Climate Control Canada Inc. Accumulator with deflector
US20140174120A1 (en) * 2011-08-31 2014-06-26 Magna Powertrain Bad Homburg GmbH Evaporator heat exchanger unit
US20150345844A1 (en) * 2014-02-02 2015-12-03 Halla Visteon Climate Control Corp. Accumulator for combined component with internal heat exchanger especially for refrigerant loops with r774 as working fluid
CN105805990A (zh) * 2014-12-29 2016-07-27 浙江三花汽车零部件有限公司 二氧化碳空调***及其气液分离器
CN108759202A (zh) * 2018-07-30 2018-11-06 东莞市艾瑞科热能设备有限公司 一种气液分离器
CN109425157A (zh) * 2017-08-31 2019-03-05 翰昂汽车零部件有限公司 分离气液混合物的旋风器和包括该旋风器的制冷剂累积器
WO2020040476A1 (en) * 2018-08-22 2020-02-27 Hanon Systems Accumulator, optionally in combination with an internal heat exchanger in a shared housing
CN210372417U (zh) * 2019-08-27 2020-04-21 广东美的制冷设备有限公司 管接头组件及空气源热泵机组的室内机

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006051687A1 (de) * 2006-10-30 2008-05-08 Visteon Global Technologies Inc., Van Buren Mechanische Verbindung eines Wärmeübertragerrohrs
DE102016108312A1 (de) * 2016-05-04 2017-11-09 Hanon Systems Wärmeübertrager

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080223073A1 (en) * 2005-02-03 2008-09-18 Halla Climate Control Canada Inc. Accumulator with deflector
US20140174120A1 (en) * 2011-08-31 2014-06-26 Magna Powertrain Bad Homburg GmbH Evaporator heat exchanger unit
US20150345844A1 (en) * 2014-02-02 2015-12-03 Halla Visteon Climate Control Corp. Accumulator for combined component with internal heat exchanger especially for refrigerant loops with r774 as working fluid
CN105805990A (zh) * 2014-12-29 2016-07-27 浙江三花汽车零部件有限公司 二氧化碳空调***及其气液分离器
CN109425157A (zh) * 2017-08-31 2019-03-05 翰昂汽车零部件有限公司 分离气液混合物的旋风器和包括该旋风器的制冷剂累积器
CN108759202A (zh) * 2018-07-30 2018-11-06 东莞市艾瑞科热能设备有限公司 一种气液分离器
WO2020040476A1 (en) * 2018-08-22 2020-02-27 Hanon Systems Accumulator, optionally in combination with an internal heat exchanger in a shared housing
CN210372417U (zh) * 2019-08-27 2020-04-21 广东美的制冷设备有限公司 管接头组件及空气源热泵机组的室内机

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4160116A4

Also Published As

Publication number Publication date
EP4160116A4 (en) 2024-06-19
EP4160116A1 (en) 2023-04-05
CN115398164A (zh) 2022-11-25

Similar Documents

Publication Publication Date Title
US10203160B2 (en) Cooling module
US20230213251A1 (en) Gas-liquid separation device and thermal management system
US20230003428A1 (en) Gas-liquid separator and thermal management system
JP2001033121A (ja) 受液器一体型熱交換器、および受液器
CN105805990A (zh) 二氧化碳空调***及其气液分离器
US20100155012A1 (en) Combined Device Including An Internal Heat Exchanger And An Accumulator
JP4126408B2 (ja) アキュムレータ及びこれを用いた冷凍サイクル
WO2021238649A1 (zh) 一种热交换器以及气液分离器
KR20170125287A (ko) 열교환기
JP2009121783A (ja) 熱交換器
US11892212B2 (en) Gas-liquid separator and air conditioning system
KR101513923B1 (ko) 응축기
CN205940230U (zh) 一种压缩空气用水冷却器
CN113739457A (zh) 一种热交换器以及气液分离器
CN116164449A (zh) 一种气液分离器及制冷***
KR20170108273A (ko) 기액분리기 및 이를 포함하는 응축기
CN112229108B (zh) 气液分离器
CN114111133B (zh) 一种用于自复叠制冷***的气液分离器和自复叠制冷***
JP2006162189A (ja) 熱交換器用レシーバタンク
WO2022142230A1 (zh) 气液分离装置
CN112229107B (zh) 气液分离器
CN111981730B (zh) 一种气液分离器
JP2006105491A (ja) アキュムレータと内部熱交換器との一体化構造
US20230092213A1 (en) Liquid accumulator and heat exchange system having liquid accumulator
CN110631298B (zh) 一种气液分离器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21813901

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2021813901

Country of ref document: EP

Effective date: 20230102