JP2018146136A - Receiver and condenser using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a receiver and a condenser in which a positive gas-liquid separation can be carried out and its manufacturing can be easily carried out.SOLUTION: A receiver 4 comprises cylindrical receiver main bodies 23, 24 of which upper ends are closed and lower ends are opened; and a plug 25 fitted in thread to the receiver main body 23 from lower part. A container 39 filled with desiccant 40 is arranged within the receiver main body 24. The plug 25 is formed with a hole 35 having a bottom part extending downward from an upper end surface and of which lower end is positioned more below than a refrigerant flowing-out hole 32 of the receiver main body 23. A peripheral wall portion of the hole 35 having the bottom part at the plug 25 is formed with a communication hole 36 communicated with the refrigerant flowing-out hole 32. An upper end part of the plug 25 is provided with a cylindrical guide wall 45 extending from a lower position of a refrigerant flowing-in hole 31 to feed refrigerant flowed in from the refrigerant flowing-in hole 31. The guide wall 45 is integrally formed with the container 39. A plate-like filter 43 is arranged in the guide wall 45.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a liquid receiver for separating a gas-liquid mixed phase refrigerant into a gas-phase refrigerant and a liquid-phase refrigerant and a capacitor using the same in a car air conditioner that is a refrigeration cycle mounted on an automobile, for example.

  In this specification and claims, the top and bottom, left and right in FIG.

  Further, in this specification, the term “liquid refrigerant” includes a liquid-phase main mixed refrigerant mixed with a small amount of a gas-phase refrigerant.

  As a condenser of a car air conditioner, it is provided between the condensing part, the supercooling part provided below the condensing part, and between the condensing part and the supercooling part. And a liquid receiver that is formed of a cylindrical body, and the refrigerant that has flowed out of the condensing part flows into the supercooling part through the liquid receiver, and the air that has flowed into the liquid receiver from the condensing part. It is known that a liquid mixed refrigerant is separated into a gas phase and a liquid phase in a liquid receiver, and the liquid refrigerant flows into a supercooling section.

  As a liquid receiver used for this type of condenser, Patent Document 1 discloses a plate in which a refrigerant passage hole is formed in a penetrating manner at a height position between a refrigerant inlet hole and a refrigerant outlet hole in the receiver. A bottomed cylinder in which a partition member having a shape is disposed, an overflow pipe for promoting gas-liquid separation is provided on the upper surface of the partition member so as to protrude upward, and a plurality of openings are formed in the peripheral wall on the lower surface of the partition member A filter holding member is provided so as to protrude downward, and a bottomed cylindrical filter whose lower end is closed is held by the filter holding member.

  However, in the liquid receiver described in Patent Document 1, it is not easy to integrate the overflow pipe and the filter holding member into the partition member and fix them to the liquid receiver body, and the work of attaching the filter to the filter holding member is also difficult. Since it is not easy, there exists a problem that manufacture of a liquid receiver is difficult.

JP 2010-185648 A

  An object of the present invention is to solve the above-described problems, and provide a liquid receiver capable of reliable gas-liquid separation and easy to manufacture, and a capacitor using the same.

  In order to achieve the above object, the present invention comprises the following aspects.

1) Cylindrical shape with the upper end closed and the lower end open, consisting of a receiver body that is joined to the header tank of the capacitor, and a cylindrical plug that is detachably screwed into the receiver body from below. The refrigerant inflow hole and the refrigerant outflow hole are formed in the peripheral wall of the liquid receiver body at intervals in the vertical direction so that the former is located above, and the container containing the desiccant is disposed in the liquid receiver body. A liquid receiver,
The plug has a bottomed hole extending downward from the upper end surface and having a lower end positioned below the refrigerant outflow hole, and a communication hole leading to the refrigerant outflow hole is formed in a peripheral wall portion of the bottomed hole in the plug. A cylindrical guide wall is provided at the upper end of the pipe, extending from the lower position to the upper position of the refrigerant inflow hole, and sending the refrigerant flowing in from the refrigerant inflow hole upward. A liquid receiver in which is placed.

  2) The container is made of a synthetic resin and has a cylindrical container body in which a large number of through holes are formed, and the guide wall is integrally formed at the lower end of the container body and fixed to the plug. The liquid receiver described in 1) above.

  3) The liquid receiver as described in 2) above, wherein an annular recess is formed in the upper end surface of the plug, and an insertion portion inserted into the recess is formed in the lower end portion of the guide wall.

  4) The liquid receiver according to 1) above, wherein the container is a bag having air permeability and liquid permeability, and the guide wall is integrally formed at an upper end portion of the plug.

5) A gas phase liquid refrigerant and a liquid phase refrigerant that are provided between the condensing unit, the supercooling unit provided below the condensing unit, and the gas-liquid mixed phase refrigerant that flows between the condensing unit and the condensing unit. In a capacitor having a receiver that separates into
The condensing part is arranged in parallel with the condensing part outlet header arranged with the longitudinal direction facing up and down, the longitudinal direction facing the left and right direction and spaced in the up and down direction, and one end in the longitudinal direction is arranged in the condensing part A heat exchange path composed of a plurality of heat exchange tubes connected to the outlet header, and a supercooling portion inlet header arranged so that the supercooling portion is adjacent to the lower portion of the condensing portion outlet header, and the longitudinal direction And a heat exchange path composed of a plurality of heat exchange tubes arranged in parallel with a gap in the vertical direction and having one end in the longitudinal direction connected to the subcooling section inlet header, The liquid receiver is a liquid receiver described in any one of the above 1) to 4),
A condensing unit outlet header and a supercooling unit inlet header are provided in one header tank, and a condensing unit outlet header is formed with a refrigerant outlet for allowing the refrigerant to flow out of the condensing unit. A refrigerant inlet for allowing the refrigerant to flow in is formed,
The receiver body is joined to the header tank with the refrigerant inlet hole of the receiver connected to the refrigerant outlet of the condenser outlet header and the refrigerant outlet hole connected to the refrigerant inlet of the subcooler inlet header. Capacitor.

  According to the liquid receivers 1) to 5), the upper end of the plug is provided with a guide wall that extends from the lower position to the upper position of the refrigerant inflow hole and sends the refrigerant flowing in from the refrigerant inflow hole upward. Therefore, the gas-liquid mixed refrigerant flowing from the refrigerant inflow hole is sent upward by the guide wall, and gas-liquid separation is promoted during this time. The plug can be fixed to the receiver body by screwing, and the filter is plate-shaped and can be easily attached to the guide wall, so that the receiver can be easily manufactured. The guide wall can be integrated with the container or the plug, and in this way, the gas-liquid separation function can be improved without increasing the number of parts.

  According to the liquid receiver of 2) above, the gas-liquid separation function can be improved without increasing the number of components.

  According to the liquid receiver of the above 3), by attaching the plug to the liquid receiver body, the container and the filter containing the desiccant can be disposed in the liquid receiver, so that the trouble of mounting the container and the filter is reduced. Can be reduced.

  According to the liquid receiver of 4) above, the gas-liquid separation function can be improved without increasing the number of components. Moreover, since a filter can be arrange | positioned in a liquid receiver by attaching a plug to a liquid receiver main body, the effort of attachment of a filter can be reduced.

  According to the capacitor of 5) above, the gas-liquid mixed refrigerant flowing in from the refrigerant inflow hole is sent upward by the guide wall and then flows into the container, and during this time, gas-liquid separation is promoted. Only flows into the supercooling unit inlet header, and a stable supercooling characteristic is obtained. Further, since the liquid receiver can be easily manufactured, the capacitor can also be easily manufactured.

It is a front view which shows concretely the whole structure of the capacitor | condenser using the liquid receiver of 1st Embodiment of this invention. FIG. 2 is a partially cut-away vertical sectional view of the capacitor shown in FIG. 1 as viewed from the front, showing an enlarged left header tank and liquid receiver. It is the partially cut away vertical sectional view seen from the front which shows the left-hand header tank and liquid receiver of a capacitor of a 2nd embodiment of this invention.

  Embodiments of the present invention will be described below with reference to the drawings.

  In the following description, the term “aluminum” includes aluminum alloys in addition to pure aluminum.

  FIG. 1 specifically shows the overall configuration of a capacitor using the liquid receiver of the present invention, and FIG. 2 shows the configuration of the main part of the capacitor of FIG.

  In FIG. 1, the condenser (1) includes a condensing part (2), a supercooling part (3) provided below the condensing part (2), and a condensing part (2 ) And the supercooling section (3), and the gas-liquid mixed phase refrigerant condensed in the condensing section (2) is separated into a gas phase refrigerant and a liquid phase refrigerant, and the liquid phase refrigerant is stored and liquid. It comprises an aluminum tank-shaped liquid receiver (4) for supplying phase refrigerant to the supercooling section (3). The condenser (1) constitutes a refrigeration cycle together with a compressor, an expansion valve (decompressor) and an evaporator, and is mounted on a vehicle as a car air conditioner.

  The condenser (1) includes a plurality of aluminum flat heat exchange tubes (5) arranged in the vertical direction with the width direction in the ventilation direction and the longitudinal direction in the horizontal direction, and the longitudinal direction. With two aluminum header tanks (6) and (7), which are arranged at intervals in the left and right direction with the left and right sides facing each other and to which both left and right ends of the heat exchange pipe (5) are connected. Aluminum corrugated fins (8) arranged between the exchange tubes (5) and outside the heat exchange tubes (5) at both upper and lower ends and joined to the heat exchange tubes (5) by brazing material, and corrugations at both upper and lower ends An aluminum side plate (9) disposed outside the fin (8) and joined to the corrugated fin (8) by a brazing material. Hereinafter, joining with a brazing material is referred to as brazing.

  The condenser (2) and the supercooling section (3) of the condenser (1) are each provided with at least one heat exchange path (here, one heat exchange path ( P1) and (P2) are provided, the heat exchange path (P1) provided in the condensing part (2) serves as a refrigerant condensing path, and the heat exchange path (P2) provided in the supercooling part (3) serves as a refrigerant. It is a supercooling path. And the refrigerant | coolant flow direction of all the heat exchange pipe | tubes (5) which comprise each heat exchange path | pass (P1) (P2) is the same, and the heat exchange pipe | tube (5) of two adjacent heat exchange paths | paths The refrigerant flow direction is different. Here, the heat exchange path (P1) of the condensing part (2) is referred to as a first heat exchange path, and the heat exchange path (P2) of the supercooling part (3) is referred to as a second heat exchange path. In this embodiment, one heat exchange path is provided for each of the condensing unit (2) and the supercooling unit (3). However, the number of heat exchanging paths is not limited to this. Of the heat exchange pipe (5) of the heat exchange path on the most downstream side in the refrigerant flow direction of the section (2) and the heat exchange path on the most upstream side in the refrigerant flow direction of the subcooling section (3). If the upstream end of the heat exchange pipe (5) in the refrigerant flow direction is located on either the left or right side, it can be appropriately changed. Here, since one heat exchange path (P1) (P2) is provided for each of the condensing unit (2) and the subcooling unit (3), the first heat exchanging path (P1) is used as the condensing unit (2). The heat exchange path on the most upstream side in the refrigerant flow direction and the heat exchange path on the most downstream side in the refrigerant flow direction, and the second heat exchange path (P2) is the most upstream in the refrigerant flow direction in the subcooling section (3) At the same time as the heat exchange path on the side, the heat exchange path is located on the most downstream side in the refrigerant flow direction.

  Both header tanks (6) and (7) have aluminum partition members (at the same height position between the first heat exchange path (P1) and the second heat exchange path (P2)). 11) is divided into two compartments lined up and down, and the part located above the two partition members (11) in the capacitor (1) becomes the condensing part (2), and from the two partition members (11) The lower part is also the supercooling part (3).

  A refrigerant inlet (not shown) through which the gas-phase refrigerant compressed by the compressor flows is formed above the partition member (11) in the peripheral wall of the right header tank (6), and the peripheral wall of the right header tank (6) A refrigerant outlet (not shown) through which liquid-phase refrigerant flows out toward the expansion valve is formed in a portion below the partition member (11). Further, an aluminum refrigerant inlet member (14) communicating with the refrigerant inlet and an aluminum refrigerant outlet member (15) communicating with the refrigerant outlet are brazed to the right header tank (6). Further, a refrigerant outlet (16) through which the gas-liquid mixed phase refrigerant flows into the liquid receiver (4) is formed at a portion of the peripheral wall of the left header tank (7) above the partition member (11), and the left header tank A refrigerant inlet (17) through which liquid-phase refrigerant flows into the supercooling section (3) is formed in a portion of the peripheral wall of (7) below the partition member (11). Therefore, the section above the partition member (11) in the right header tank (6) is the condenser inlet header (18), and the section above the partition member (11) in the left header tank (7). Is the condensing section outlet header (19), and the section below the partition member (11) in the left header tank (7) is the supercooling section inlet header (21), and the partition in the right header tank (6). A section below the member (11) is a supercooling section outlet header (22).

  The liquid receiver (4) is brazed to the left header tank (7) via a mounting member (10), and has a cylindrical base member (23) whose axial direction is in the vertical direction and whose upper and lower ends are open. A cylindrical tank member (24) fixed to the base member (23) and having an upper end closed and an open lower end; and a plug (25) removably fitted in the base member (23) The internal space of the tank member (24) is communicated with the internal space of the base member (23).

  The mounting member (10) includes a refrigerant inflow passage (26) leading to the refrigerant outlet (16) of the condenser outlet header (19) and a refrigerant leading to the refrigerant inlet (17) of the supercooling inlet header (21). An outflow channel (27) is provided so as to penetrate the mounting member (10) from side to side.

  The base member (23) is made of, for example, an aluminum bare material such as an aluminum extruded profile, and has an internal threaded portion (in the middle portion in the vertical direction on the inner peripheral surface, here a portion slightly above the central portion in the vertical direction ( 28) is provided.

  The tank member (24) is an aluminum brazing formed of an aluminum bare material such as an aluminum extruded profile, and having a cylindrical body (29) whose longitudinal direction faces the vertical direction and whose upper and lower ends are open, and a brazing material layer on both sides. The closing member (30) is formed of a sheet and is joined to the upper end of the cylindrical body (29) to close the upper end opening.

  A refrigerant inflow hole (31) communicating with the refrigerant inflow passage (26) of the attachment member (10) is formed at the lower end of the cylindrical body (29) of the tank member (24). A refrigerant outflow hole (32) communicating with the refrigerant outflow path (27) of the mounting member (10) is formed in a portion of the base member (23) below the female thread portion (28).

  The plug (25) is formed of a synthetic resin in a columnar shape, and a threaded portion (33) is formed at the upper portion of the cylindrical outer peripheral surface of the plug (25) and above the refrigerant outflow hole (32). The plug (25) is detachably fitted into the base member (23) by being provided and screwed into the female thread portion (28) of the base member (23). The liquid receiver body is formed by the base member (23) and the tank member (24) fixed to the base member (23), and the plug (25) is screwed to the liquid receiver body (4) so that the liquid receiver (4) is It is formed.

  The upper end of the plug (25) is located below the refrigerant inflow hole (31). The plug (25) is formed with a bottomed tool hole (34) into which a tool extending upward from the lower end surface and turning the plug (25) is inserted.

  The plug (25) has a bottomed hole (35) extending downward from the upper end surface and having a lower end positioned below the refrigerant outflow hole (32). A plurality of communication holes (36) are formed in the circumferential wall portion at intervals in the circumferential direction. At least a part of the communication hole (36) in the vertical direction is located within the range of the refrigerant outflow hole (32) in the vertical direction. Two annular O-ring grooves (37) are formed on the outer peripheral surface of the plug (25) below the male thread portion (33) at intervals in the vertical direction, and are fitted into the O-ring grooves (37). The space between the inner peripheral surface of the base member (23) and the outer peripheral surface of the plug (25) is sealed by the inserted O-ring (38) (seal member).

  A container (39) filled with a spherical desiccant (40) is disposed in the tank member (24). The container (39) is made of a synthetic resin, and includes a cylindrical container body (41) whose longitudinal direction is in the vertical direction, and a lid (42) that closes the upper end opening of the container body (41).

  The container (39) further includes a cylindrical guide wall (45) formed integrally with the container body (41) and extending downward. No through hole is formed in the guide wall (45). Therefore, the refrigerant flowing in from the refrigerant inflow hole (31) collides with the guide wall (45) and then passes through the through hole (44) formed in the container main body (41) to enter the container main body (41). Inflow.

  A disc-shaped filter (43) is attached to the upper end of the guide wall (45) so as to close the lower end opening of the container body (41).

  The filter (43) has the function of supporting the desiccant (40) filled in the container body (41) as well as the function of filtering out foreign substances. A large number of through holes (44) are formed in the container body (41) at predetermined intervals in the longitudinal direction and at predetermined intervals in the circumferential direction. The refrigerant inflow hole (31) provided in the tank member (24) is slightly below the position where the filter (43) is attached.

  An annular recess (46) is formed on the upper end surface of the plug (25), and an insertion portion (47) inserted into the recess (46) is formed on the lower end of the guide wall (45). ing. The insertion portion (47) is formed with a return stop (47a), and the recess (46) has a shape capable of accommodating the insertion portion (47) including the return (47a). ing. Thus, the lower end of the guide wall (45) is fixed to the plug (25), and the container (39) containing the desiccant (40) to which the filter (43) is attached is attached to the plug (25), It can be attached to and detached from the tank member (24).

  In the car air conditioner including the condenser (1) having the above-described configuration, the high-temperature and high-pressure gas-phase refrigerant compressed by the compressor passes through the refrigerant inlet member (14) and the refrigerant inlet and is condensed in the right header tank (6). It flows into the inlet header (18) and is condensed while flowing to the left in the heat exchange pipe (5) of the first heat exchange path (P1), and is condensed in the condenser header outlet header (19) of the left header tank (7). ) Flows in. The refrigerant that has flowed into the condenser outlet header (19) of the left header tank (7) enters the liquid receiver (4) through the header-side refrigerant outlet (16) and the refrigerant inlet hole (31).

  The refrigerant flowing into the liquid receiver (4) is a gas-liquid mixed phase refrigerant, and flows into the refrigerant inflow hole (31) and collides with the outer peripheral surface of the guide wall (45) as shown by arrows in FIG. After being guided by the outer peripheral surface of the guide wall (45) and moving upward, it flows into the container body (41) from the through hole (44). The refrigerant then flows downward through the gap between the desiccant (40), passes through the filter (43), and is further guided to the inner peripheral surface of the guide wall (45), so that the plug (25) It flows into the bottomed hole (35).

  While the gas-liquid mixed phase refrigerant moves upward along the guide wall (45), gas-liquid separation is promoted, and the liquid-phase refrigerant of the gas-liquid mixed phase refrigerant is lowered in the receiver (4) by gravity. The gas-phase refrigerant accumulates in the upper part of the liquid receiver (4). The liquid-phase refrigerant exits from the refrigerant outlet hole (32) of the plug (25), passes through the refrigerant outlet channel (27) and the refrigerant inlet port (17), and enters the supercooling section inlet header (21) of the left header tank (7). )

  The refrigerant that has entered the supercooling section inlet header (21) of the left header tank (7) is supercooled while flowing to the right in the heat exchange pipe (5) of the second heat exchange path (P2). Then, it enters the supercooling section outlet header (22) of the right header tank (6), flows out through the refrigerant outlet and the refrigerant outlet member (15), and is sent to the evaporator through the expansion valve.

  FIG. 3 shows the configuration of the main part of the capacitor of the second embodiment. The liquid receiver (4) of the second embodiment has a base member (23) and a tank member (24) that are the same as those of the first embodiment. A container (52) containing a desiccant and a plug (53) having the same shape are different from those of the first embodiment. Below, the same code | symbol is attached | subjected to the same structure as 1st Embodiment, and the description is abbreviate | omitted.

  The container (51) for storing the desiccant (52) is a bag made of non-woven fabric, and has air permeability and liquid permeability. The container (51) is attached to the tank member (24) by appropriate means such as hanging.

  The plug (53) includes a plug body (54) and a guide wall (55) provided integrally with the plug body (54) and extending upward from the upper end of the plug body (54). The thickness of the guide wall (55) is made thinner than the thickness of the plug main body (54), whereby a step portion (54a) is formed on the inner periphery of the upper end portion of the plug main body (54). No through hole is formed in the guide wall (55), and therefore, the refrigerant flowing from the refrigerant inflow hole (31) collides with the guide wall (55), and then has a liquid-permeable container (52). Flows in.

  The plug body (54) has the same configuration as the plug (25) of the first embodiment.

  A plate-like filter (56) for filtering foreign matter is supported on the step (54a) of the plug body (54) so as to close the upper end opening of the plug body (54). The filter (56) is located at the lower end of the guide wall (55), and is located slightly below the refrigerant inflow hole (31) provided in the tank member (24). By attaching the filter (56) to the plug (53) in advance, the filter (56) can be disposed in the liquid receiver (4) without additional attachment work.

  According to the liquid receiver (3) of this embodiment, the gas-liquid mixed phase refrigerant that has flowed from the refrigerant inflow hole (31) collides with the outer peripheral surface of the guide wall (55) as indicated by an arrow in FIG. Then, it is guided by the outer peripheral surface of the guide wall (55), moves upward, and flows into the container (51). The refrigerant then flows downward through the gap between the desiccant (52), is guided to the inner peripheral surface of the guide wall (55), reaches the filter (56), passes through this, and the plug body ( It flows into the bottomed hole (35) of 54).

  While the gas-liquid mixed phase refrigerant moves upward along the guide wall (55), gas-liquid separation is promoted, and among the gas-liquid mixed phase refrigerant, the liquid-phase refrigerant is separated from the lower part in the receiver (4) by gravity. The gas-phase refrigerant accumulates in the upper part of the liquid receiver (4). The liquid-phase refrigerant exits from the refrigerant outlet hole (32) of the plug (53), passes through the refrigerant outlet channel (27) and the refrigerant inlet port (17), and enters the supercooling section inlet header (21) of the left header tank (7). )

  The refrigerant that has entered the supercooling section inlet header (21) of the left header tank (7) is supercooled while flowing to the right in the heat exchange pipe (5) of the second heat exchange path (P2). Then, it enters the supercooling section outlet header (22) of the right header tank (6), flows out through the refrigerant outlet and the refrigerant outlet member (15), and is sent to the evaporator through the expansion valve.

  According to the condenser having the liquid receiver (4) of the first and second embodiments described above, the gas-liquid mixed refrigerant flowing in from the refrigerant inflow hole (31) is moved upward by the guide walls (45) (55). After being sent, it flows into the container (39) (51), and during this time, gas-liquid separation is promoted, so only the liquid phase refrigerant flows into the supercooling section inlet header (21), and stable supercooling characteristics are obtained. can get. Further, by integrating the guide walls (45) and (55) into the container (39) or the plug (53), such a gas-liquid separation function can be improved without increasing the number of parts.

  In each of the above embodiments, the refrigerant inflow hole (31) is provided in the tank member (24), but the refrigerant inflow hole (31) is located above the male thread portion (33) in the base member (23). You may make it form.

  The liquid receiver and the condenser according to the present invention are suitably used for a car air conditioner mounted on an automobile.

(1): Capacitor
(2): Condensing part
(3): Supercooling section
(4): Liquid receiver
(5): Heat exchange pipe
(7): Left header tank
(16): Refrigerant outlet
(17): Refrigerant inlet
(19): Condenser outlet header
(21): Supercooler inlet header
(23): Base member
(24): Tank member
(25): Plug
(28): Female thread
(31): Refrigerant inflow hole
(32): Refrigerant outflow hole
(33): Male thread
(35): Bottomed hole
(36): Communication hole
(39): Container
(40): Desiccant
(41): Container body
(43): Filter
(44): Through hole
(45): Guide wall
(46) :: Recess
(47): Insertion section
(51): Container
(52): Desiccant
(53): Plug
(54): Plug body
(55): Guide wall
(56): Filter
(P1) (P2): Heat exchange path

Claims (5)

It has a cylindrical shape with its upper end closed and its lower end open. It consists of a receiver body that is joined to the header tank of the condenser, and a cylindrical plug that is screwed into the receiver body from below. A liquid receiver in which a refrigerant inflow hole and a refrigerant outflow hole are formed at intervals in the vertical direction so that the former is positioned above, and a container containing a desiccant is disposed in the liquid receiver body Because
The plug has a bottomed hole extending downward from the upper end surface and having a lower end positioned below the refrigerant outflow hole, and a communication hole leading to the refrigerant outflow hole is formed in a peripheral wall portion of the bottomed hole in the plug. A cylindrical guide wall is provided at the upper end of the pipe extending from the lower position to the upper position of the refrigerant inflow hole to send the refrigerant flowing in from the refrigerant inflow hole upward, and a plate-like filter is disposed in the guide wall. Receiver. The container is made of a synthetic resin and has a cylindrical container body in which a large number of through holes are formed, and the guide wall is integrally formed at the lower end of the container body and fixed to the plug. Item 1. A liquid receiver according to item 1. The liquid receiver according to claim 2, wherein an annular recess is formed in the upper end surface of the plug, and an insertion portion inserted into the recess is formed in the lower end portion of the guide wall. The liquid receiver according to claim 2, wherein the container is a bag having air permeability and liquid permeability, and the guide wall is integrally formed at an upper end portion of the plug. A condensing unit, a supercooling unit provided below the condensing unit, and a gas-liquid mixed phase refrigerant that is provided between the condensing unit and the supercooling unit and flows from the condensing unit into a gas phase refrigerant and a liquid phase refrigerant. In a capacitor having a receiver for separation,
The condensing part is arranged in parallel with the condensing part outlet header arranged with the longitudinal direction facing up and down, the longitudinal direction facing the left and right direction and spaced in the up and down direction, and one end in the longitudinal direction is arranged in the condensing part A heat exchange path composed of a plurality of heat exchange tubes connected to the outlet header, and a supercooling portion inlet header arranged so that the supercooling portion is adjacent to the lower portion of the condensing portion outlet header, and the longitudinal direction And a heat exchange path composed of a plurality of heat exchange tubes arranged in parallel with a gap in the vertical direction and having one end in the longitudinal direction connected to the subcooling section inlet header, The liquid receiver comprises the liquid receiver described in any one of claims 1 to 4,
A condensing unit outlet header and a supercooling unit inlet header are provided in one header tank, and a condensing unit outlet header is formed with a refrigerant outlet for allowing the refrigerant to flow out of the condensing unit. A refrigerant inlet for allowing the refrigerant to flow in is formed,
The receiver body is joined to the header tank with the refrigerant inlet hole of the receiver connected to the refrigerant outlet of the condenser outlet header and the refrigerant outlet hole connected to the refrigerant inlet of the subcooler inlet header. Capacitor.

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