CN102221272A - Condenser - Google Patents

Abstract

A first header tank (3) to which first heat exchange tubes (2A) of third and fourth heat exchange paths (P3, P4) are connected and a second header tank (4) to which second heat exchange tubes (2B) of first and second heat exchange paths (P1, P2) are connected are provided at one end of a condenser (1). The upper end of the first header tank is located above the lower end of the second header tank. The first header tank has a function of separating gas and liquid and storing the liquid. A spacer (21)is disposed between the first header tank (3) and the second header tank (4). The spacer includes a first portion (22) which comes into contact with and is brazed to the first header tank, and a second portion (23) which comes into contact with and is brazed to the second header tank. The condenser is suitably applied in a vehicle air conditioned mounted on a vehicle.

Description

Condenser

Technical field

The present invention relates to be adapted at for example being equipped on the condenser that uses in the air conditioning for automobiles on the automobile.

Background technology

In this specification and claims book, the term of so-called " condenser " also comprises the Overcold condenser with condensation part and supercooling portion except common condenser.

In addition, in this specification and claims book, up and down, about be meant Fig. 1 and Fig. 2 about, about.

Condenser as for example air conditioning for automobiles, known have such condenser: have and make width frontage and airiness direction and a plurality of flat heat exchange tubes that extend along left and right directions of devices spaced apart shape arranged side by side ground configuration on above-below direction, with the catch box that extends along the vertical direction that is connected with the both ends, the left and right sides of heat-exchange tube, the heat exchange paths that is made of a plurality of heat-exchange tubes arranged side by side continuously up and down is provided with three up and down side by side, the flow of refrigerant direction that constitutes whole heat-exchange tubes of each heat exchange paths is identical, and the flow of refrigerant direction of the heat-exchange tube of two adjacent heat exchange paths is different, wherein, about any end side split be provided with: first catch box is connected with the heat-exchange tube of the heat exchange paths that constitutes the lower end; Second catch box, be connected with the heat-exchange tube that constitutes the heat exchange paths except that the heat exchange paths of lower end, second catch box is configured on first catch box, the fineness degree of first catch box is compared greatly with the fineness degree of second catch box, and, in first catch box, dispose drier, first catch box has the function as reservoir of utilizing gravity to make gas-liquid separation and accumulating liquid thus, first heat-exchange tube that is connected with first catch box reaches the equal in length of second heat-exchange tube that is connected with second catch box, and the end of the end of the first catch box side of first heat-exchange tube and the second catch box side of second heat-exchange tube is positioned on the same vertical line, and all heat exchange paths become the condensation of refrigerant path (opening flat 3-31266 communique in fact with reference to Japan) that makes condensation of refrigerant.

In the condenser of above-mentioned communique record, because in order to carry out the gas-liquid separation in first catch box effectively, need make interior volume specific ratio second catch box of first catch box quite a lot of greatly, so the fineness degree of first catch box is more quite a lot of greatly than the fineness degree of second catch box, therefore exist for the problem that the configuration condenser needs big space.

In addition, usually near condenser, dispose other equipment, but according to the condenser of described communique record, first catch box becomes the obstacle of other equipment.For example, usually at the direction of ventilation downstream equipped with radiator of the condenser of used for automobile air conditioning, but according to the condenser of described communique record, first catch box can become the obstacle that radiator is provided with, in engine room, can produce the space of waste, can't save the implementation space.And, owing in the scope of the roughly total length of first catch box, be connected with heat-exchange tube, so can there be the inadequate problem of gas-liquid separation performance.

Summary of the invention

The objective of the invention is to address the above problem, a kind of condenser is provided, this condenser is compared with the condenser of above-mentioned communique record, can make the space is set diminishes, and can suppress the corrosion of first catch box and second catch box.

The present invention is made of following mode to achieve these goals.

1) a kind of condenser, have a plurality of heat-exchange tubes along the left and right directions extension of devices spaced apart shape arranged side by side ground configuration on above-below direction, the catch box that extends along the vertical direction that is connected with the both ends, the left and right sides of heat-exchange tube, the heat exchange paths that is made of a plurality of heat-exchange tubes arranged side by side continuously up and down is provided with a plurality of up and down side by side, wherein

About any end side be provided with: first catch box, it is connected with first heat-exchange tube that constitutes at least one heat exchange paths be positioned at downside; Second catch box, it is connected with second heat-exchange tube, this second heat-exchange tube formation is compared the remaining heat exchange paths that is arranged on the top with the heat-exchange tube path that is made of first heat-exchange tube that is connected on first catch box, first catch box is compared with second catch box and is configured in the left and right directions outside, and, the upper end of first catch box is compared with the lower end of second catch box and is positioned at the top, first catch box has the gas-liquid separation of making and accumulates the function of liquid, the lower end with second catch box in first catch box is compared between the upward outstanding part and second catch box and is disposed distance piece, and distance piece has: contact with the part of the outer peripheral face of first catch box and by the first of soldering on first catch box; Contact with the part of the outer peripheral face of second catch box and by the second portion of soldering on second catch box.

2) a kind of condenser, have a plurality of heat-exchange tubes along the left and right directions extension of devices spaced apart shape arranged side by side ground configuration on above-below direction, the catch box that extends along the vertical direction that is connected with the both ends, the left and right sides of heat-exchange tube, the heat exchange paths that is made of a plurality of heat-exchange tubes arranged side by side continuously up and down is provided with more than three up and down side by side, wherein

Has the cohort that constitutes at least two heat exchange paths interior and arranged side by side continuously by the heat exchange paths that comprises the upper end, and at least one heat exchange paths is set below described cohort, in described cohort, cold-producing medium flows towards the heat exchange paths of the other end from the heat exchange paths of any end up and down, about any end side be provided with: first catch box, itself and first heat-exchange tube of the heat exchange paths that constitutes the downstream of flow of refrigerant direction in the described cohort, and constitute first heat-exchange tube of comparing the heat exchange paths that is arranged on the below with described cohort and be connected; Second catch box, it is connected with second heat-exchange tube that constitutes remaining whole heat exchange paths, first catch box is compared with second catch box and is configured in the left and right directions outside, and, the upper end of first catch box is compared with the lower end of second catch box and is positioned at the top, first catch box has the gas-liquid separation of making and accumulates the function of liquid, the lower end with second catch box in first catch box is compared between the upward outstanding part and second catch box and is disposed distance piece, and distance piece has: contact with the part of the outer peripheral face of first catch box and by the first of soldering on first catch box; Contact with the part of the outer peripheral face of second catch box and by the second portion of soldering on second catch box.

3) as above-mentioned 2) described condenser, wherein, in described cohort, cold-producing medium flows from the heat exchange paths of heat exchange paths towards the lower end of upper end, the lower end of first catch box is compared with the lower end of second catch box and more is positioned at the below, in first catch box, compare part below being positioned at second catch box, be connected with the heat exchange paths of the lower end that constitutes described cohort and compare first heat-exchange tube of the heat exchange paths that is arranged on the below with described cohort.

4) as above-mentioned 2) described condenser, wherein, whole heat exchange paths of described cohort are the condensation of refrigerant paths that makes condensation of refrigerant, comparing the heat exchange paths that is positioned at the below with described cohort is to make the overcooled cold-producing medium supercooling of cold-producing medium path.

5) as above-mentioned 2) described condenser, wherein, spacer arrangement in first catch box and second catch box except with part that second heat-exchange tube of the upstream side of described cohort is connected part between.

6) as above-mentioned 2) described condenser, wherein, on first catch box, be connected with first heat-exchange tube of at least two heat exchange paths of formation, on second catch box, be connected with second heat-exchange tube that constitutes at least one heat exchange paths.

7) a kind of condenser, have a plurality of heat-exchange tubes along the left and right directions extension of devices spaced apart shape arranged side by side ground configuration on above-below direction, the catch box that extends along the vertical direction that is connected with the both ends, the left and right sides of heat-exchange tube, the heat exchange paths that is made of a plurality of heat-exchange tubes arranged side by side continuously up and down is provided with more than two up and down side by side, wherein

About any end side be provided with: first catch box, its first heat-exchange tube with the heat exchange paths that constitutes the lower end is connected; Second catch box, it is connected with second heat-exchange tube that constitutes the heat exchange paths except that the heat exchange paths of lower end, first catch box is compared with second catch box and is configured in the left and right directions outside, and, the upper end of first catch box is compared with the lower end of second catch box and is positioned at the top, first catch box has the gas-liquid separation of making and accumulates the function of liquid, the lower end with second catch box in first catch box is compared between the upward outstanding part and second catch box and is disposed distance piece, and distance piece has: contact with the part of the outer peripheral face of first catch box and by the first of soldering on first catch box; Contact with the part of the outer peripheral face of second catch box and by the second portion of soldering on second catch box.

8) a kind of condenser, have a plurality of heat-exchange tubes along the left and right directions extension of devices spaced apart shape arranged side by side ground configuration on above-below direction, the catch box that extends along the vertical direction that is connected with the both ends, the left and right sides of heat-exchange tube, the heat exchange paths that is made of a plurality of heat-exchange tubes arranged side by side continuously up and down is provided with more than two up and down side by side, wherein

About any end side be provided with: first catch box, its first heat-exchange tube with the heat exchange paths that constitutes the upper end is connected; Second catch box, it is connected with second heat-exchange tube that constitutes the heat exchange paths except that the heat exchange paths of upper end, first catch box is compared with second catch box and is configured in the left and right directions outside, and, the lower end of first catch box is compared with the upper end of second catch box and is positioned at the below, first catch box has the gas-liquid separation of making and accumulates the function of liquid, the upper end with second catch box in first catch box is compared between the downwards outstanding part and second catch box and is disposed distance piece, and distance piece has: contact with the part of the outer peripheral face of first catch box and by the first of soldering on first catch box; Contact with the part of the outer peripheral face of second catch box and by the second portion of soldering on second catch box.

9) as above-mentioned 7) or 8) described condenser, wherein, whole heat exchange paths is the condensation of refrigerant path that makes condensation of refrigerant.

10) as above-mentioned 1), 2), 7) or 8) described condenser, wherein, the width of comparing the gap between the outstanding part and second catch box with second catch box in first catch box is remained on more than the 2mm by distance piece.

According to above-mentioned 1) condenser, about any end side be provided with: it is connected with first heat-exchange tube that constitutes at least one heat exchange paths be positioned at downside; Second catch box, it is connected with second heat-exchange tube, this second heat-exchange tube formation is compared the remaining heat exchange paths that is arranged on the top with the heat-exchange tube path that is made of first heat-exchange tube that is connected on first catch box, first catch box is compared with second catch box and is configured in the left and right directions outside, and, the upper end of first catch box is compared with the lower end of second catch box and is positioned at the top, first catch box has the gas-liquid separation of making and accumulates the function of liquid, therefore, extend to upward by the upper end that makes first catch box near the upper end of second catch box for example, compare with the condenser of above-mentioned communique record, can compare under the constant big situation with the fineness degree of second catch box at the fineness degree of first catch box, make the internal volume of first catch box become the size that to carry out gas-liquid separation effectively.Therefore, it is littler than the condenser of above-mentioned communique record to be used in the space of configuration condenser.Its result can save the implementation space.In addition, owing to above comparing, have bigger space with the part that is connected with heat-exchange tube in first catch box, so very good based on the gas-liquid separation effect of gravity.

In addition, the lower end with second catch box in first catch box is compared between the upward outstanding part and second catch box and is disposed distance piece, and distance piece has: contact with the part of the outer peripheral face of first catch box and by the first of soldering on first catch box; Contact with the part of the outer peripheral face of second catch box and, therefore, when making condenser, can constitute the location of the parts of first catch box and second catch box simply by the second portion of soldering on second catch box.

And, the lower end with second catch box in first catch box is compared between the upward outstanding part and second catch box and is disposed distance piece, and distance piece has: contact with the part of the outer peripheral face of first catch box and by the first of soldering on first catch box; Contact with the part of the outer peripheral face of second catch box and by the second portion of soldering on second catch box, therefore, the width that the lower end with second catch box in first catch box can be compared upward outstanding part and the gap between second catch box by distance piece is held in the suitable size that can be suppressed the delay of the material that promotes corrosion, can suppress the corrosion of first catch box and second catch box.Promptly, the width that upward outstanding part and the gap between second catch box are compared in the lower end with second catch box in first catch box is than suitable size hour, the corrosion promotion material of invading this gap is difficult to discharge from this gap and be detained, and has promoted the corrosion of first catch box and second catch box.And pass through distance piece, when the width that upward outstanding part and the gap between second catch box are compared in the lower end with second catch box in first catch box is retained can be suppressed the delay of the material that promotes corrosion suitable big or small, can make the corrosion of invading in this gap promote physical efficiency to discharge well, therefore can suppress the corrosion of first catch box and second catch box.

According to above-mentioned 2)～6) condenser, about any end side be provided with: first catch box, its with first heat-exchange tube of the heat exchange paths in the downstream of the flow of refrigerant direction in constituting described cohort, and constitute first heat-exchange tube of comparing the heat exchange paths that is arranged on the below with described cohort and be connected; Second catch box, it is connected with second heat-exchange tube that constitutes remaining whole heat exchange paths, first catch box is compared with second catch box and is configured in the left and right directions outside, and, the upper end of first catch box is compared with the lower end of second catch box and is positioned at the top, first catch box has the gas-liquid separation of making and accumulates the function of liquid, therefore, extend to upward by the upper end that makes first catch box near the upper end of second catch box for example, compare with the condenser of above-mentioned communique record, can compare under the constant big situation with the fineness degree of second catch box at the fineness degree of first catch box, make the internal volume of first catch box become the size that to carry out gas-liquid separation effectively.Therefore, it is littler than the condenser of above-mentioned communique record to be used in the space of configuration condenser.Its result can save the implementation space.In addition, owing to above comparing, have bigger space with the part that is connected with heat-exchange tube in first catch box, so very good based on the gas-liquid separation effect of gravity.

In addition, the lower end with second catch box in first catch box is compared between the upward outstanding part and second catch box and is disposed distance piece, and distance piece has: contact with the part of the outer peripheral face of first catch box and by the first of soldering on first catch box; Contact with the part of the outer peripheral face of second catch box and, therefore, when making condenser, can constitute the location of the parts of first catch box and second catch box simply by the second portion of soldering on second catch box.

And, the lower end with second catch box in first catch box is compared between the upward outstanding part and second catch box and is disposed distance piece, and distance piece has: contact with the part of the outer peripheral face of first catch box and by the first of soldering on first catch box; Contact with the part of the outer peripheral face of second catch box and by the second portion of soldering on second catch box, therefore, the width that the lower end with second catch box in first catch box can be compared upward outstanding part and the gap between second catch box by distance piece is held in the suitable size that can be suppressed the delay of the material that promotes corrosion, can suppress the corrosion of first catch box and second catch box.Promptly, the width that upward outstanding part and the gap between second catch box are compared in the lower end with second catch box in first catch box is than suitable size hour, the corrosion promotion material of invading this gap is difficult to discharge from this gap and be detained, and has promoted the corrosion of first catch box and second catch box.And pass through distance piece, when the width that upward outstanding part and the gap between second catch box are compared in the lower end with second catch box in first catch box is retained can be suppressed the delay of the material that promotes corrosion suitable big or small, can make the corrosion of invading in this gap promote physical efficiency to discharge well, therefore can suppress the corrosion of first catch box and second catch box.

According to above-mentioned 4) condenser, cold-producing medium flows into first catch box from a plurality of first heat-exchange tubes of the formation condensation of refrigerant path in the downstream that is positioned at described cohort, in first catch box, carry out gas-liquid separation, therefore, can carry out gas-liquid separation well in the first catch box internal efficiency.Promptly, in first heat-exchange tube of the upside in a plurality of first heat-exchange tubes that constitute the condensation of refrigerant path, the gas-liquid mixed phase flow of refrigerant that gas phase composition is many, same in first heat-exchange tube of downside, the gas-liquid mixed phase flow of refrigerant that liquid phase ingredient is many, because these gas-liquid mixed phase cold-producing mediums do not flow in first catch box, so can efficient carry out gas-liquid separation well with mixing.

According to above-mentioned 5) condenser, can prevent to flow into the heat that cold-producing medium had of the higher temperatures in second catch box via the cold-producing medium transmission of distance piece in first catch box from second heat-exchange tube of the upstream side of described cohort.Therefore, can prevent to have the refrigerant superheat of the first catch box meat of carrying out gas-liquid separation and accumulating the function of liquid, can enlarge the constant stabilizing area of degree of supercooling, thereby can access in order to follow the change of outer gas and to have used the dynamic characteristic of inside change etc. of air conditioning for automobiles of condenser and the required cold characteristic of mistake.

According to above-mentioned 7) condenser, about any end side be provided with: first catch box, its first heat-exchange tube with the heat exchange paths that constitutes the lower end is connected; Second catch box, it is connected with second heat-exchange tube that constitutes the heat exchange paths except that the heat exchange paths of lower end, first catch box is compared with second catch box and is configured in the left and right directions outside, and, the upper end of first catch box is compared with the lower end of second catch box and is positioned at the top, first catch box has the gas-liquid separation of making and accumulates the function of liquid, therefore, extend to upward by the upper end that makes first catch box near the upper end of second catch box for example, compare with the condenser of above-mentioned communique record, can compare under the constant big situation with the fineness degree of second catch box at the fineness degree of first catch box, make the internal volume of first catch box become the size that to carry out gas-liquid separation effectively.Therefore, it is littler than the condenser of above-mentioned communique record to be used in the space of configuration condenser.Its result can save the implementation space.In addition, owing to above comparing, have bigger space with the part that is connected with heat-exchange tube in first catch box, so very good based on the gas-liquid separation effect of gravity.

In addition, cold-producing medium is positioned at the heat exchange paths of lower end from formation a plurality of first heat-exchange tubes flow into first catch box, carry out gas-liquid separation in first catch box, therefore can efficient carry out gas-liquid separation well in first catch box.Promptly, in first heat-exchange tube of the upside in a plurality of first heat-exchange tubes of the heat exchange paths that constitutes the lower end, the gas-liquid mixed phase flow of refrigerant that gas phase composition is many, same in first heat-exchange tube of downside, the gas-liquid mixed phase flow of refrigerant that liquid phase ingredient is many, because these gas-liquid mixed phase cold-producing mediums do not flow in first catch box, so can efficient carry out gas-liquid separation well with mixing.

And, the lower end with second catch box in first catch box is compared between the upward outstanding part and second catch box and is disposed distance piece, and distance piece has: contact with the part of the outer peripheral face of first catch box and by the first of soldering on first catch box; Contact with the part of the outer peripheral face of second catch box and by the second portion of soldering on second catch box, therefore, with above-mentioned 1) condenser situation similarly, when making condenser, the location of the parts of first catch box and second catch box can be constituted simply, and the corrosion of first catch box and second catch box can be suppressed.

According to above-mentioned 8) condenser, about any end side be provided with: first catch box, its first heat-exchange tube with the heat exchange paths that constitutes the upper end is connected; Second catch box, it is connected with second heat-exchange tube that constitutes the heat exchange paths except that the heat exchange paths of upper end, first catch box is compared with second catch box and is configured in the left and right directions outside, and the lower end of first catch box is compared with the upper end of second catch box and is positioned at the below, first catch box has the gas-liquid separation of making and accumulates the function of liquid, therefore, extend to by the lower ends downward side that makes first catch box near the lower end of second catch box for example, compare with the condenser of above-mentioned communique record, can compare under the constant big situation with the fineness degree of second catch box at the fineness degree of first catch box, make the internal volume of first catch box become the size that to carry out gas-liquid separation effectively.Therefore, it is littler than the condenser of above-mentioned communique record to be used in the space of configuration condenser.Its result can save the implementation space.In addition, owing to above comparing, have bigger space with the part that is connected with heat-exchange tube in first catch box, so very good based on the gas-liquid separation effect of gravity.

In addition, cold-producing medium flows into first catch box from a plurality of first heat-exchange tubes that formation is positioned at the heat exchange paths of upper end, carries out gas-liquid separation in first catch box, thereby can efficient carry out gas-liquid separation well in first catch box.Promptly, in first heat-exchange tube of the upside in a plurality of first heat-exchange tubes of the heat exchange paths that constitutes the upper end, the gas-liquid mixed phase flow of refrigerant that gas phase composition is many, same in first heat-exchange tube of downside, the gas-liquid mixed phase flow of refrigerant that liquid phase ingredient is many, because these gas-liquid mixed phase cold-producing mediums do not flow in first catch box, so can efficient carry out gas-liquid separation well with mixing.

Have again, the upper end with second catch box in first catch box is compared between the downwards outstanding part and second catch box and is disposed distance piece, and distance piece has: contact with the part of the outer peripheral face of first catch box and by the first of soldering on first catch box; Contact with the part of the outer peripheral face of second catch box and by the second portion of soldering on second catch box, therefore, with above-mentioned 1) condenser situation similarly, when making condenser, the location of the parts of first catch box and second catch box can be constituted simply, and the corrosion of first catch box and second catch box can be suppressed.

According to above-mentioned 10) condenser, can suppress effectively to corrode and promote the delay of with second catch box comparing gap outstanding part and second catch box between of material in first catch box.

Description of drawings

Fig. 1 is the front view of all structures of representing first embodiment of condenser of the present invention particularly.

Fig. 2 is the front view of the condenser of presentation graphs 1 schematically.

Fig. 3 is the amplification view along the A-A line of Fig. 1.

Fig. 4 is a part, the part of second catch box and the exploded perspective view of distance piece of first catch box of the condenser of presentation graphs 1.

Fig. 5 is the front view of all structures of representing second embodiment of condenser of the present invention particularly.

Fig. 6 is the front view of the condenser of presentation graphs 5 schematically.

Fig. 7 is a front view of schematically representing the 3rd embodiment of condenser of the present invention.

Fig. 8 is a front view of schematically representing the 4th embodiment of condenser of the present invention.

The specific embodiment

Below, with reference to the description of drawings embodiments of the present invention.

In the following description, with direction of ventilation downstream (upside of paper inboard, Fig. 3 and Fig. 4 of Fig. 1) be before, with its opposition side be after.

In addition, in the following description, the term of so-called " aluminium " except comprising fine aluminium, also comprises aluminium alloy.

And also the repetitive description thereof will be omitted for same section and same parts mark same reference numerals in institute's drawings attached.

Fig. 1 represents all structures of first embodiment of condenser of the present invention particularly, and Fig. 2 schematically represents condenser of the present invention.In Fig. 2, omit the diagram of each heat-exchange tube, and omitted the diagram of corrugated fin, side plate, refrigerant inlet parts and refrigerant outlet parts.In addition, the structure of the major part of the condenser of Fig. 3 and Fig. 4 presentation graphs 1.

In Fig. 1 and Fig. 2, condenser 1 has: so that width is towards fore-and-aft direction and make a plurality of aluminum flat heat exchange tubes 2As, the 2B of length direction towards the devices spaced apart ground configuration on above-below direction of the state of left and right directions; Three the aluminum catch boxs 3,4,5 that extend along the vertical direction that are connected by soldering with the both ends, the left and right sides of heat- exchange tube 2A, 2B; Be configured in that adjacent heat- exchange tube 2A, 2B reach the outside at two ends up and down each other and by aluminum corrugated fin 6A, the 6B of soldering on heat- exchange tube 2A, 2B; Be configured in the outside of up and down corrugated fin 6A, the 6B at two ends and by the aluminum side plate 7 of soldering on corrugated fin 6A, 6B, be provided with side by side up and down more than three by a plurality of heat-exchange tube 2A arranged side by side continuously up and down, heat exchange paths P1, P2, P3, P4 that 2B constitutes, be provided with four here.Four heat exchange paths are called first～the 4th heat exchange paths P1, P2, P3, P4 in order from the top.The flow of refrigerant direction that constitutes all heat-exchange tube 2A, the 2B of each heat exchange paths P1, P2, P3, P4 is identical, and the flow of refrigerant direction of heat-exchange tube 2A, the 2B of two adjacent heat exchange paths is different.

Promptly, condenser 1 have by the first heat exchange paths P1 that comprises the upper end interior and continuously side by side at least two, be the cohort G that the three first～the 3rd heat exchange paths P1, P2, P3 constitute here, and below cohort G, be provided with at least one, be one the 4th heat exchange paths P4 here.In cohort G, cold-producing medium flows from the 3rd heat exchange paths P3 of the first heat exchange paths P1 towards the lower end of upper end.

The left end side split of condenser 1 be provided with: first catch box 3, be positioned at by soldering and formation cohort G the downstream of flow of refrigerant direction the lower end heat exchange paths and compare the heat exchange paths that is positioned at the below with cohort G, be that the heat-exchange tube 2A of the 3rd and the 4th heat exchange paths P3, P4 is connected here; Second catch box 4, by soldering with constitute remaining full heat exchange paths, be that the heat-exchange tube 2B of first and second heat exchange paths P1, P2 is connected here.In addition, the lower end of first catch box 3 is compared with the lower end of second catch box 4 and is positioned at the below, in first catch box 3, compare part below being positioned at second catch box 4, be connected the heat-exchange tube 2A that constitutes the 3rd and the 4th heat exchange paths P3, P4 by soldering.In addition, the upper end of the upper end of first catch box 3 and second catch box 4 roughly is positioned at the sustained height position.

Here, the heat-exchange tube 2A that is connected with first catch box 3 is first heat-exchange tube, and the heat-exchange tube 2B that is connected with second catch box 4 is second heat-exchange tube.In addition, with be configured in the first adjacent heat-exchange tube 2A each other, and the first heat-exchange tube 2A of lower end be called first corrugated fin with the corrugated fin 6A between the downside side plate 7, be configured in the second adjacent heat-exchange tube 2B each other, the second heat-exchange tube 2B between the second heat-exchange tube 2B of the first heat-exchange tube 2A of upper end and lower end, on reaching and the corrugated fin 6B between the upside side plate 7 be called second corrugated fin.

The size of the fore-and-aft direction of first catch box 3 and second catch box 4 about equally, but the horizontal sectional area of first catch box 3 big than second catch box 4.First catch box 3 is compared with second catch box 4 and is configured in left side (the left and right directions outside), and the center of the left and right directions of first catch box 3 is compared with the center of the left and right directions of second catch box 4 and is configured in the left and right directions outside.Therefore, it is overlapping and stagger that first catch box 3 and second catch box 4 are overlooked observation.In addition, the upper end of first catch box 3 is positioned at the top than the lower end of second catch box 4, here be to be positioned at the height and position roughly the same with the upper end of second catch box 4, first catch box 3 has the function as liquid storing part of utilizing gravity to make gas-liquid separation and accumulating liquid.Promptly, the internal volume of first catch box 3 is internal volumes as follows: the mixed phase cold-producing medium that flows into liquid phase in the gas-liquid mixed phase cold-producing medium in first catch box 3 and be main body accumulates in bottom in first catch box 3 by gravity, and the gas phase composition in the gas-liquid mixed phase cold-producing medium accumulates in top in first catch box 3 by gravity, and having only liquid phase thus is that the mixed phase cold-producing medium of main body flows in the first heat-exchange tube 2A of the 4th heat exchange paths P4.

Dispose the 3rd catch box 5 that is connected with all heat-exchange tube 2A, the 2B that constitute first～the 4th heat exchange paths P1～P4 in the right part of condenser 1 side.The shape of cross section of the 3rd catch box 5 is identical with second catch box 4.Be separately positioned on the height and position place between the first heat exchange paths P1 and the second heat exchange paths P2 and the aluminum demarcation strip 8,9 at the height and position place between the 3rd heat exchange paths P3 and the 4th heat exchange paths P4 in the 3rd catch box 5 and be divided into upside liquid collecting portion 11, middle liquid collecting portion 12 and downside liquid collecting portion 13.The left part of the second heat-exchange tube 2B of the first heat exchange paths P1 is connected on second catch box 4, and its right part is connected in the upside liquid collecting portion 11 of the 3rd catch box 5; The left part of the second heat-exchange tube 2B of the second heat exchange paths P2 is connected on second catch box 4, and its right part is connected in the middle liquid collecting portion 12 of the 3rd catch box 5; The left part of the first heat-exchange tube 2A of the 3rd heat exchange paths P3 is connected on first catch box 3, and its right part is connected in the middle liquid collecting portion 12 of the 3rd catch box 5; The left part of the first heat-exchange tube 2A of the 4th heat exchange paths P4 is connected on first catch box 3; Its right part is connected in the downside liquid collecting portion 13 of the 3rd catch box 5.

And, by second catch box 4, the part that is connected with the first heat-exchange tube 2A the 3rd heat exchange paths P3 in first catch box 3, the upside liquid collecting portion 11 of the 3rd catch box 5 and middle liquid collecting portion 12, and first～the 3rd heat exchange paths P1～P3 forms the condensation part 1A that makes condensation of refrigerant, by the part that is connected with the first heat-exchange tube 2A the 4th heat exchange paths P4 in first catch box 3, the downside liquid collecting portion 13 of the 3rd catch box 5 and the 4th heat exchange paths P4 form and make the overcooled supercooling 1B of portion of cold-producing medium, first～the 3rd heat exchange paths P1～P3 as whole heat exchange paths of cohort G becomes the condensation of refrigerant path that makes condensation of refrigerant, and compares the 4th heat exchange paths P4 that is positioned at the below with cohort G and become and make the overcooled cold-producing medium supercooling of cold-producing medium path

In the upside liquid collecting portion 11 of the 3rd catch box 5 that constitutes condensation part 1A, be formed with refrigerant inlet 14, in the downside liquid collecting portion 13 of the 3rd catch box 5 that constitutes the supercooling 1B of portion, be formed with refrigerant outlet 15.And joint has refrigerant inlet parts 16 that are communicated with refrigerant inlet 14 and the refrigerant outlet parts 17 that are communicated with refrigerant outlet 15 on the 3rd catch box 5.

Between the second heat-exchange tube 2B of the lower end of the first heat-exchange tube 2A of the upper end of the 3rd heat exchange paths P3 and the second heat exchange paths P2, dispose the aluminum intermediate member 18 that extends along left and right directions, this intermediate member 18 and these heat- exchange tubes 2A, 2B leaves and with two heat- exchange tube 2A, 2B almost parallel.Between the first heat-exchange tube 2A of the upper end of the 3rd heat exchange paths P3 and intermediate member 18, dispose the first corrugated fin 6A and the first corrugated fin 6A by soldering on the first heat-exchange tube 2A and intermediate member 18, between the second heat-exchange tube 2B of the lower end of the second heat exchange paths P2 and intermediate member 18, dispose the second corrugated fin 6B and the second corrugated fin 6B by soldering on the second heat-exchange tube 2B and intermediate member 18.The left and right sides two-end part of intermediate member 18 near the position of first catch box 3 and the 3rd catch box 5 and do not insert first catch box 3 and the 3rd catch box 5 in.As intermediate member 18, use pipe with the second heat-exchange tube 2B same structure.Because does not insert in first catch box 3 and in the 3rd catch box 5 at the both ends of intermediate member 18, so can use pipe with the second heat-exchange tube 2B same structure.

As shown in Figures 3 and 4, lower end in first catch box 3 with second catch box 4 compare the part of upward outstanding ledge 3a and the second heat-exchange tube 2B that is connected with the second heat exchange paths P2 in second catch box 4, promptly in second catch box 4 except the heat exchange paths of the upstream side that is connected with cohort G just between the part the part of the second heat-exchange tube 2B of the first heat exchange paths P1, dispose aluminum distance piece 21.Distance piece 21 is made of first 22 and two second portions 23, described first 22 contact with the part of the outer peripheral face of first catch box 3 and by soldering on first catch box 3, described two second portions 23 be set at the both sides up and down of first 22 and contact with the part of the outer peripheral face of second catch box 4 and by soldering on second catch box 4.The ledge 3a by distance piece 21, the first catch boxs 3 and the width in the gap 19 between second catch box 4 are retained the suitable size that can be suppressed the delay of the material that promotes corrosion.The width W of the left and right directions of preferred gap 19 is maintained at more than the 2mm.The upper limit of the width W of the left and right directions in gap 19 is to have considered can not to make the width of left and right directions of condenser 1 integral body excessive and definite.Distance piece 21 following formation: on aluminium sheet, insert two slits from a side edge part, make the part between two slits and compare with two slits the outside part, be that the two side portions of each slit is crooked and make first 22 and second portion 23.In addition, the first 22 of distance piece 21 and the quantity of second portion 23 are not limited to illustrated quantity, and the quantity of the slit when forming distance piece 21 also can change matchingly with the quantity of first 22 and second portion 23.

Condenser 1 is by making all parts soldering in the lump.When making condenser 1, with the interim assembling of the whole parts before all parts soldering in the lump the time, the first 22 of distance piece 21 is welded on the parts that constitute first catch box 3 partly by suitable method, and second portion 23 is welded on the parts that constitute second catch box 4 partly by suitable method, constitutes the location of the parts of first catch box 3 and second catch box 4 thus.But the welding of above-mentioned part neither be necessary.

Condenser 1 constitutes freeze cycle with compressor, expansion valve (pressure reducer) and evaporimeter, carries on vehicle as air conditioning for automobiles.

In the condenser 1 of above-mentioned formation, the vapor phase refrigerant of the HTHP that is formed by compressor compression flows in the upside liquid collecting portion 11 of the 3rd catch box 5 by refrigerant inlet parts 16 and refrigerant inlet 14, and is condensed between flow periods to the left in the second heat-exchange tube 2B at the first heat exchange paths P1 and flows in second catch box 4.Flowed into cold-producing medium in second catch box 4 in being condensed between flow periods to the right in the second heat-exchange tube 2B at the second heat exchange paths P2 and flowing in the middle liquid collecting portion 12 of the 3rd catch box 5.Having flowed into cold-producing mediums in the middle liquid collecting portion 12 of the 3rd catch box 5 is condensed between flow periods to the left in the first heat-exchange tube 2A at the 3rd heat exchange paths P3 and flows in first catch box 3.

The cold-producing medium that has flowed in first catch box 3 is a gas-liquid mixed phase cold-producing medium, liquid phase in this gas-liquid mixed phase cold-producing medium is that the mixed phase cold-producing medium of main body accumulates in bottom in first catch box 3 by gravity, and enters in the first heat-exchange tube 2A of the 4th heat exchange paths P4.

The mixed phase cold-producing medium that has entered liquid phase in the first heat-exchange tube 2A of the 4th heat exchange paths P4 and be main body in the first heat-exchange tube 2A to the right between flow periods by supercooling after, enter in the downside liquid collecting portion 13 of the 3rd catch box 5, and, be fed to evaporimeter via expansion valve by refrigerant outlet 15 and 17 outflows of refrigerant outlet parts.

On the other hand, flow into gas phase composition in the gas-liquid mixed phase cold-producing medium in first catch box 3 and accumulated in top in first catch box 3.

Fig. 5～Fig. 8 represents other embodiments of condenser of the present invention.

Fig. 5 represents all structures of second embodiment of condenser of the present invention particularly, and Fig. 6 is the condenser of presentation graphs 5 schematically.In Fig. 6, omitted the diagram of each heat-exchange tube, and omitted the diagram of corrugated fin, side plate, refrigerant inlet parts and refrigerant outlet parts.

In Fig. 5 and Fig. 6, in the condenser 30, be provided with five up and down side by side by a plurality of heat-exchange tube 2A arranged side by side continuously up and down, heat exchange paths P1, P2, P3, P4, P5 that 2B constitutes.Five heat exchange paths are called first～the 5th heat exchange paths P1, P2, P3, P4, P5 in order from the top.The flow of refrigerant direction that constitutes all heat-exchange tube 2A, the 2B of each heat exchange paths P1, P2, P3, P4, P5 is identical, and the flow of refrigerant direction of heat-exchange tube 2A, the 2B of two adjacent heat exchange paths is different.

Promptly, condenser 30 have by the first heat exchange paths P1 that comprises the upper end at least two interior and arranged side by side continuously, be the four first～the 4th heat exchange paths P1, P2 here, the cohort G that P3, P4 constitute, and below cohort G, be provided with at least one, be one the 5th heat exchange paths P5 here.In cohort G, cold-producing medium flows from the 4th heat exchange paths P4 of the first heat exchange paths P1 towards the lower end of upper end.

Constitute the downstream of the flow of refrigerant direction be positioned at cohort G the lower end heat exchange paths and compare the heat exchange paths that is positioned at the below with cohort G, be that the both ends, the left and right sides of the heat-exchange tube 2A of the 4th and the 5th heat exchange paths P4, P5 are connected on first catch box 3 and the 3rd catch box 5 by soldering here.In addition, constitute remaining whole heat exchange paths, be that the both ends, the left and right sides of the heat-exchange tube 2B of first～the 3rd heat exchange paths P1, P2, P3 are connected on second catch box 4 and the 3rd catch box 5 by soldering here.Therefore, the heat-exchange tube 2A that constitutes the 4th and the 5th heat exchange paths P4, P5 is first heat-exchange tube, and the heat-exchange tube 2B that constitutes first～the 3rd heat exchange paths P1, P2, P3 is second heat-exchange tube.

In addition, the lower end of first catch box 3 is compared with the lower end of second catch box 4 and is positioned at the below, in first catch box 3, compare part below being positioned at second catch box 4, be connected with the first heat-exchange tube 2A that constitutes the 4th and the 5th heat exchange paths P4, P5 by soldering.In addition, the upper end of second catch box 14 is compared with the upper end of first catch box 3 and is positioned at more top.

The aluminum demarcation strip 31 that is set at the height and position place between the first heat exchange paths P1 and the second heat exchange paths P2 in second catch box 4 is divided into upside liquid collecting portion 32 and downside liquid collecting portion 33.Be arranged at respectively in the 3rd catch box 5 height and position place between the second heat exchange paths P2 and the 3rd heat exchange paths P3, and the 4th heat exchange paths P4 and the 5th heat exchange paths P5 between the aluminum demarcation strip 34,35 at height and position place be divided into upside liquid collecting portion 36, middle liquid collecting portion 37 and downside liquid collecting portion 38.In second catch box 4, compare upward outstanding part with first catch box 3, be formed with refrigerant inlet 39A, be formed with refrigerant outlet 39B in the downside liquid collecting portion 38 of the 3rd catch box 5 in upside liquid collecting portion 32.Engaging on second catch box 4 has the refrigerant inlet parts 16 that are communicated with refrigerant inlet 39A, and engaging on the 3rd catch box 5 has the refrigerant outlet parts 17 that are communicated with refrigerant outlet 39B.

In addition, the left part of the second heat-exchange tube 2B of the first heat exchange paths P1 is connected with the upside liquid collecting portion 32 of second catch box 4, and its right part is connected with the upside liquid collecting portion 36 of the 3rd catch box 5; The left part of the second heat-exchange tube 2B of the second heat exchange paths P2 is connected with the downside liquid collecting portion 33 of second catch box 4, and its right part is connected with the upside liquid collecting portion 36 of the 3rd catch box 5; The left part of the second heat-exchange tube 2B of the 3rd heat exchange paths P3 is connected with the downside liquid collecting portion 33 of second catch box 4, and the middle liquid collecting portion 37 of its right part and the 3rd catch box 5 is connected; The left part of the first heat-exchange tube 2A of the 4th heat exchange paths P4 is connected with first catch box 3, and the middle liquid collecting portion 37 of its right part and the 3rd catch box 5 is connected; The left part of the first heat-exchange tube 2A of the 5th heat exchange paths P5 is connected with first catch box 3, and its right part is connected with the downside liquid collecting portion 38 of the 3rd catch box 5.Its result, in cohort G, cold-producing medium flows to the 4th heat exchange paths P4 of lower end from the first heat exchange paths P1 of upper end as mentioned above.

And, by second catch box 4, the part that is connected with the first heat-exchange tube 2A the 4th heat exchange paths P4 in first catch box 3, the upside liquid collecting portion 36 of the 3rd catch box 5 and middle liquid collecting portion 37, and first～the 4th heat exchange paths P1～P4 forms the condensation part 30A that makes condensation of refrigerant, by the part that is connected with the first heat-exchange tube 2A the 5th heat exchange paths P5 in first catch box 3, the downside liquid collecting portion 38 of the 3rd catch box 5 and the 5th heat exchange paths P5 form and make the overcooled supercooling 30B of portion of cold-producing medium, whole heat exchange paths of cohort G i.e. first～the 4th heat exchange paths P1～P4 become the condensation of refrigerant path that makes condensation of refrigerant, and compare the 5th heat exchange paths P5 that is positioned at the below becomes and makes the overcooled cold-producing medium supercooling of cold-producing medium path with cohort G.

Lower end in first catch box 3 with second catch box 4 compare in the downside liquid collecting portion 33, promptly second catch box 4 of the upward outstanding ledge 3a and second catch box 4 except with the heat exchange paths of the upstream side of cohort G just between the part the part that is connected of the second heat-exchange tube 2B of the first heat exchange paths P1, dispose to devices spaced apart a plurality of aluminum distance pieces 21 along the vertical direction.Distance piece 21 is made of first 22 and two second portions 23, first 22 contact with the part of the outer peripheral face of first catch box 3 and by soldering on first catch box 3, two second portions 23 be set at the both sides up and down of first 22 and contact with the part of the outer peripheral face of second catch box 4 and by soldering on second catch box 4.The ledge 3a by distance piece 21, the first catch boxs 3 and the width in the gap 19 between second catch box 4 are retained the suitable size that can be suppressed the delay of the material that promotes corrosion.The width of the left and right directions in gap 19 preferably remains on more than the 2mm.

The condenser of other structures and Fig. 1～shown in Figure 4 is identical.

In Fig. 5 and condenser 30 shown in Figure 6, the vapor phase refrigerant of being compressed the HTHP that forms by compressor flows in the upside liquid collecting portion 32 of second catch box 4 by refrigerant inlet parts 16 and refrigerant inlet 39A, in the second heat-exchange tube 2B, be condensed between flow periods to the right, and flow in the upside liquid collecting portion 36 of the 3rd catch box 5 at the first heat exchange paths P.The upside liquid collecting portion 36 interior cold-producing mediums that flow into the 3rd catch box 5 are condensed between flow periods in the second heat-exchange tube 2B at the second heat exchange paths P2 to the left, and flow in the downside liquid collecting portion 33 of second catch box 4.The cold-producing mediums that flow in the downside liquid collecting portion 33 of second catch box 4 are condensed between flow periods in the second heat-exchange tube 2B at the 3rd heat exchange paths P3 to the right, and flow in the middle liquid collecting portion 37 of the 3rd catch box 5.The cold-producing mediums that flow in the middle liquid collecting portion 37 of the 3rd catch box 5 are condensed between flow periods in the first heat-exchange tube 2A at the 4th heat exchange paths P4 to the left, and flow in first catch box 3.

The cold-producing medium that has flowed in first catch box 3 is a gas-liquid mixed phase cold-producing medium, liquid phase in this gas-liquid mixed phase cold-producing medium is that the mixed phase cold-producing medium of main body accumulates in bottom in first catch box 3 by gravity, and enters in the first heat-exchange tube 2A of the 5th heat exchange paths P5.The mixed phase cold-producing medium that has entered liquid phase in the first heat-exchange tube 2A of the 5th heat exchange paths P5 and be main body in the first heat-exchange tube 2A to the right between flow periods by supercooling after, enter in the downside liquid collecting portion 38 of the 3rd catch box 5, flow out by refrigerant outlet 39B and refrigerant outlet parts 17, and be sent to evaporimeter via expansion valve.

On the other hand, flow into gas phase composition in the gas-liquid mixed phase cold-producing medium in first catch box 3 and accumulated in top in first catch box 3.

Fig. 7 schematically represents the 3rd embodiment of condenser of the present invention, and the diagram of each heat-exchange tube is omitted, and has omitted the diagram of corrugated fin, side plate, refrigerant inlet parts and refrigerant outlet parts.

Under the situation that is condenser 40 shown in Figure 7, be provided with two up and down side by side by a plurality of heat-exchange tube 2A arranged side by side continuously up and down, heat exchange paths P1, P2 that 2B constitutes.Two heat exchange paths are called the first～the second heat exchange paths P1, P2 in order from the top.The flow of refrigerant direction that constitutes all heat-exchange tube 2A, the 2B of each heat exchange paths P1, P2 is identical, and the flow of refrigerant direction of heat-exchange tube 2A, the 2B of two adjacent heat exchange paths is different.

The both ends, the left and right sides that constitute the heat-exchange tube 2B of the first heat exchange paths P1 are connected on second catch box 4 and the 3rd catch box 5 by soldering.The both ends, the left and right sides that constitute the heat-exchange tube 2A of the second heat exchange paths P2 are connected on first catch box 3 and the 3rd catch box 5 by soldering.Therefore, the heat-exchange tube 2A that constitutes the second heat exchange paths P2 is first heat-exchange tube, and the heat-exchange tube 2B that constitutes the first heat exchange paths P1 is second heat-exchange tube.

And, form the condensation part 40A that makes condensation of refrigerant by first～the 3rd catch box 3～5 and first and second heat exchange paths P1, P2, first and second heat exchange paths P1, P2, promptly all heat exchange paths become the condensation of refrigerant path that makes condensation of refrigerant.

Upper end at second catch box 4 that constitutes condensation part 40A is formed with refrigerant inlet 41, is formed with refrigerant outlet 42 in the bottom of first catch box 3.And engaging on second catch box 4 has the refrigerant inlet parts (omitting diagram) that are communicated with refrigerant inlet 41, and similarly engaging on first catch box 3 has the refrigerant outlet parts (omitting diagram) that are communicated with refrigerant outlet 42.

In condenser shown in Figure 7 40, though omitted diagram, the lower end with second catch box 4 in first catch box 3 is compared between the outstanding upward ledge 3a and second catch box 4 and is disposed aluminum distance piece 21.Distance piece 21 is made of first 22 and two second portions 23, first 22 contact with the part of the outer peripheral face of first catch box 3 and by soldering on first catch box 3, two second portions 23 be set at the both sides up and down of first 22 and contact with the part of the outer peripheral face of second catch box 4 and by soldering on second catch box 4.The ledge 3a by distance piece 21, the first catch boxs 3 and the width in the gap 19 between second catch box 4 are retained the suitable size that can be suppressed the delay of the material that promotes corrosion.The width of the left and right directions in gap 19 preferably remains on more than the 2mm.

The condenser of other structures and Fig. 1～shown in Figure 4 is identical.

In condenser shown in Figure 7 40, the vapor phase refrigerant of the HTHP that is formed by compressor compression flows in second catch box 4 by refrigerant inlet parts and refrigerant inlet 41, and is condensed between flow periods to the right in the second heat-exchange tube 2B at the first heat exchange paths P1 and flows in the 3rd catch box 5.Having flowed into cold-producing mediums in the 3rd catch box 5 is condensed between flow periods to the left in the first heat-exchange tube 2A at the second heat exchange paths P2 and flows in first catch box 3.

The cold-producing medium that has flowed in first catch box 3 is a gas-liquid mixed phase cold-producing medium, liquid phase in this gas-liquid mixed phase cold-producing medium is that the mixed phase cold-producing medium of main body accumulates in bottom in first catch box 3 by gravity, and, be fed to evaporimeter via expansion valve by refrigerant outlet 42 and the outflow of refrigerant outlet parts.

On the other hand, flow into gas phase composition in the gas-liquid mixed phase cold-producing medium in first catch box 3 and accumulated in top in first catch box 3.

Fig. 8 schematically represents the 4th embodiment of condenser of the present invention, and the diagram of each heat-exchange tube is omitted, and has also omitted the diagram of corrugated fin, side plate, refrigerant inlet parts and refrigerant outlet parts.

Under the situation that is condenser 50 shown in Figure 8, be provided with two up and down side by side by a plurality of heat-exchange tube 2A arranged side by side continuously up and down, heat exchange paths P1, P2 that 2B constitutes.Two heat exchange paths are called the first～the second heat exchange paths P1, P2 in order from the below.The flow of refrigerant direction that constitutes all heat-exchange tube 2A, the 2B of each heat exchange paths P1, P2 is identical, and the flow of refrigerant direction of heat-exchange tube 2A, the 2B of two adjacent heat exchange paths is different.

The both ends, the left and right sides that constitute the heat-exchange tube 2B of the first heat exchange paths P1 are connected on second catch box 4 and the 3rd catch box 5 by soldering.The both ends, the left and right sides that constitute the heat-exchange tube 2A of the second heat exchange paths P2 are connected on first catch box 3 and the 3rd catch box 5 by soldering.Therefore, the heat-exchange tube 2A that constitutes the second heat exchange paths P2 is first heat-exchange tube, and the heat-exchange tube 2B that constitutes the first heat exchange paths P1 is second heat-exchange tube.

The lower end of first catch box 3 that is configured in the left of second catch box 4 more is positioned at the below than the upper end of second catch box 4, and first catch box 3 has gas-liquid separating function.

And, form the condensation part 50A that makes condensation of refrigerant by first～the 3rd catch box 3～5 and first and second heat exchange paths P1, P2, first and second heat exchange paths P1, P2, promptly all heat exchange paths become the condensation of refrigerant path that makes condensation of refrigerant.

Bottom at second catch box 4 that constitutes condensation part 50A is formed with refrigerant inlet 51, is formed with refrigerant outlet 52 in the bottom of first catch box 3.And engaging on second catch box 4 has the refrigerant inlet parts (omitting diagram) that are communicated with refrigerant inlet 51, and similarly engaging on first catch box 3 has the refrigerant outlet parts (omitting diagram) that are communicated with refrigerant outlet 52.

In condenser shown in Figure 8 50, though omitted diagram, the lower end with second catch box 4 in first catch box 3 is compared between the outstanding downwards ledge 3a and second catch box 4 and is disposed aluminum distance piece 21.Distance piece 21 is made of first 22 and two second portions 23, first 22 contact with the part of the outer peripheral face of first catch box 3 and by soldering on first catch box 3, two second portions 23 be set at the both sides up and down of first 22 and contact with the part of the outer peripheral face of second catch box 4 and by soldering on second catch box 4.The ledge 3a by distance piece 21, the first catch boxs 3 and the width in the gap 19 between second catch box 4 are retained the suitable size that can be suppressed the delay of the material that promotes corrosion.The width of the left and right directions in gap 19 preferably remains on more than the 2mm.

The condenser of other structures and Fig. 1～shown in Figure 4 is identical.

In condenser shown in Figure 8 50, the vapor phase refrigerant of the HTHP that has been compressed by compressor flows in second catch box 4 by refrigerant inlet parts and refrigerant inlet 51, and is condensed between flow periods to the right in the second heat-exchange tube 2B at the first heat exchange paths P1 and flows in the 3rd catch box 5.Having flowed into cold-producing mediums in the 3rd catch box 5 is condensed between flow periods to the left in the first heat-exchange tube 2A at the second heat exchange paths P2 and flows in first catch box 3.The cold-producing medium that has flowed in first catch box 3 is a gas-liquid mixed phase cold-producing medium, liquid phase in this gas-liquid mixed phase cold-producing medium is that the mixed phase cold-producing medium of main body accumulates in bottom in first catch box 3 by gravity, and, be fed to evaporimeter via expansion valve by refrigerant outlet 52 and the outflow of refrigerant outlet parts.

On the other hand, flow into gas phase composition in the gas-liquid mixed phase cold-producing medium in first catch box 3 and accumulated in top in first catch box 3.

In addition, in Fig. 7 and condenser 40,50 shown in Figure 8, between second catch box 4 and the 3rd catch box 5, the heat exchange paths that is made of a plurality of second heat-exchange tube 2B arranged side by side continuously up and down is provided with more than two also passable up and down side by side.When under the situation of the heat exchange paths that is provided with even number between second catch box 4 and the 3rd catch box 5, be formed with refrigerant inlet in the bottom of the 3rd catch box 5, and the liquid collecting portion of right quantity is set in second catch box 4 and in the 3rd catch box 5.In addition,, be formed with refrigerant inlet, and the liquid collecting portion of right quantity is set in second catch box 4 and in the 3rd catch box 5 in the bottom of second catch box 4 when under the situation of the heat exchange paths that is provided with odd number between second catch box 4 and the 3rd catch box 5.

In addition, in above-mentioned whole condenser 1,30,40,50, in first catch box 3 configuration in drier, gas-liquid separate component and the filter at least any one.

Claims (10)

1. condenser, have a plurality of heat-exchange tubes along the left and right directions extension of devices spaced apart shape arranged side by side ground configuration on above-below direction, the catch box that extends along the vertical direction that is connected with the both ends, the left and right sides of heat-exchange tube, the heat exchange paths that is made of a plurality of heat-exchange tubes arranged side by side continuously up and down is provided with a plurality of up and down side by side, it is characterized in that

About any end side be provided with: first catch box, it is connected with first heat-exchange tube that constitutes at least one heat exchange paths be positioned at downside; Second catch box, it is connected with second heat-exchange tube, this second heat-exchange tube formation is compared the remaining heat exchange paths that is arranged on the top with the heat-exchange tube path that is made of first heat-exchange tube that is connected on first catch box, first catch box is compared with second catch box and is configured in the left and right directions outside, and, the upper end of first catch box is compared with the lower end of second catch box and is positioned at the top, first catch box has the gas-liquid separation of making and accumulates the function of liquid, the lower end with second catch box in first catch box is compared between the upward outstanding part and second catch box and is disposed distance piece, and distance piece has: contact with the part of the outer peripheral face of first catch box and by the first of soldering on first catch box; Contact with the part of the outer peripheral face of second catch box and by the second portion of soldering on second catch box.

2. condenser, have a plurality of heat-exchange tubes along the left and right directions extension of devices spaced apart shape arranged side by side ground configuration on above-below direction, the catch box that extends along the vertical direction that is connected with the both ends, the left and right sides of heat-exchange tube, the heat exchange paths that is made of a plurality of heat-exchange tubes arranged side by side continuously up and down is provided with more than three up and down side by side, it is characterized in that

Has the cohort that constitutes at least two heat exchange paths interior and arranged side by side continuously by the heat exchange paths that comprises the upper end, and at least one heat exchange paths is set below described cohort, in described cohort, cold-producing medium flows towards the heat exchange paths of the other end from the heat exchange paths of any end up and down, about any end side be provided with: first catch box, itself and first heat-exchange tube of the heat exchange paths that constitutes the downstream of flow of refrigerant direction in the described cohort, and constitute first heat-exchange tube of comparing the heat exchange paths that is arranged on the below with described cohort and be connected; Second catch box, it is connected with second heat-exchange tube that constitutes remaining whole heat exchange paths, first catch box is compared with second catch box and is configured in the left and right directions outside, and, the upper end of first catch box is compared with the lower end of second catch box and is positioned at the top, first catch box has the gas-liquid separation of making and accumulates the function of liquid, the lower end with second catch box in first catch box is compared between the upward outstanding part and second catch box and is disposed distance piece, and distance piece has: contact with the part of the outer peripheral face of first catch box and by the first of soldering on first catch box; Contact with the part of the outer peripheral face of second catch box and by the second portion of soldering on second catch box.

3. condenser as claimed in claim 2, it is characterized in that, in described cohort, cold-producing medium flows from the heat exchange paths of heat exchange paths towards the lower end of upper end, the lower end of first catch box is compared with the lower end of second catch box and more is positioned at the below, in first catch box, compare part below being positioned at second catch box, be connected with the heat exchange paths of the lower end that constitutes described cohort and compare first heat-exchange tube of the heat exchange paths that is arranged on the below with described cohort.

4. condenser as claimed in claim 2, it is characterized in that, whole heat exchange paths of described cohort are the condensation of refrigerant paths that makes condensation of refrigerant, and comparing the heat exchange paths that is positioned at the below with described cohort is to make the overcooled cold-producing medium supercooling of cold-producing medium path.

5. condenser as claimed in claim 2 is characterized in that, spacer arrangement in first catch box and second catch box except with part that second heat-exchange tube of the upstream side of described cohort is connected part between.

6. condenser as claimed in claim 2 is characterized in that, is connected with first heat-exchange tube of at least two heat exchange paths of formation on first catch box, is connected with second heat-exchange tube that constitutes at least one heat exchange paths on second catch box.

7. condenser, have a plurality of heat-exchange tubes along the left and right directions extension of devices spaced apart shape arranged side by side ground configuration on above-below direction, the catch box that extends along the vertical direction that is connected with the both ends, the left and right sides of heat-exchange tube, the heat exchange paths that is made of a plurality of heat-exchange tubes arranged side by side continuously up and down is provided with more than two up and down side by side, it is characterized in that

About any end side be provided with: first catch box, its first heat-exchange tube with the heat exchange paths that constitutes the lower end is connected; Second catch box, it is connected with second heat-exchange tube that constitutes the heat exchange paths except that the heat exchange paths of lower end, first catch box is compared with second catch box and is configured in the left and right directions outside, and, the upper end of first catch box is compared with the lower end of second catch box and is positioned at the top, first catch box has the gas-liquid separation of making and accumulates the function of liquid, the lower end with second catch box in first catch box is compared between the upward outstanding part and second catch box and is disposed distance piece, and distance piece has: contact with the part of the outer peripheral face of first catch box and by the first of soldering on first catch box; Contact with the part of the outer peripheral face of second catch box and by the second portion of soldering on second catch box.

8. condenser, have a plurality of heat-exchange tubes along the left and right directions extension of devices spaced apart shape arranged side by side ground configuration on above-below direction, the catch box that extends along the vertical direction that is connected with the both ends, the left and right sides of heat-exchange tube, the heat exchange paths that is made of a plurality of heat-exchange tubes arranged side by side continuously up and down is provided with more than two up and down side by side, it is characterized in that

About any end side be provided with: first catch box, its first heat-exchange tube with the heat exchange paths that constitutes the upper end is connected; Second catch box, it is connected with second heat-exchange tube that constitutes the heat exchange paths except that the heat exchange paths of upper end, first catch box is compared with second catch box and is configured in the left and right directions outside, and, the lower end of first catch box is compared with the upper end of second catch box and is positioned at the below, first catch box has the gas-liquid separation of making and accumulates the function of liquid, the upper end with second catch box in first catch box is compared between the downwards outstanding part and second catch box and is disposed distance piece, and distance piece has: contact with the part of the outer peripheral face of first catch box and by the first of soldering on first catch box; Contact with the part of the outer peripheral face of second catch box and by the second portion of soldering on second catch box.

9. as claim 7 or 8 described condensers, it is characterized in that whole heat exchange paths is the condensation of refrigerant path that makes condensation of refrigerant.

10. as claim 1,2,7 or 8 described condensers, it is characterized in that, the width of comparing the gap between the outstanding part and second catch box with second catch box in first catch box is remained on more than the 2mm by distance piece.

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