CN108885075A - Heat exchanger - Google Patents

Abstract

Heat exchanger of the invention includes：Plate fin laminated body made of plywood fin, wherein the plate fin has the 1st fluid in the flow path wherein flowed；Pass through this with the 1st fluid for comb, flowed in the flow path of each plate fin in plate fin laminated body for comb, makes the 2nd fluid in the folded interflow of plate fin laminated body, carry out heat exchange between the 1st fluid and the 2nd fluid.Plate fin includes：With multiple the 1st linear fluid flowing paths so that the flow passage region that the 1st fluid flows in parallel；With the header areas with the collector flow path for being connected to each 1st fluid flowing path of flow passage region with for comb.The outer wall of collector flow path is abutted with the outer wall of the collector flow path in plate fin laminated body in the adjacent plate fin of stacking direction.

Description

Heat exchanger

Technical field

The present invention relates to heat exchangers, more particularly to will flow through refrigerant plate plate fin stacking and constitute stacking The heat exchanger of template fin.

Background technique

For exchanging the heat exchanger of thermal energy between the fluid with different thermal energy, used by large number of equipment.Especially, The heat exchanger of template fin is laminated for example in home-use and for motor vehicle air conditioner, computer and various electric equipments etc. In be widely used.

The heat exchanger of stacking template fin is the fluid (refrigeration of the flow path in the plate fin for being formed in plate Agent) and the fluid (air) that is flowed between the plate fin of stacking between carry out the form of heat exchange.

In the field of the heat exchanger of above-mentioned stacking template fin, with the efficiency of lightweight, miniaturization and heat exchange Turning to purpose motion has various structures (referring for example to patent document 1 and patent document 2).

As described above, turning to mesh in the field of the heat exchanger of stacking template fin with lightweight, miniaturization and efficiency Motion material thin by thickness and high pyroconductivity form plate fin.In addition it inquires into, in order to improve the heat of heat exchanger Exchange capacity crosses fluid (refrigerant) to the flow path being formed in plate fin with the pressure current higher than existing heat exchanger.

In the field of heat exchanger, material thin by thickness and high pyroconductivity forms the scheme of plate fin, is bringing It is advantageous in terms of lightweight, miniaturization and efficient activity, but there may be problem in terms of reliability.Especially, exist In the case where the structure that the refrigerant for flowing through high pressure to the flow path being formed in plate fin is provided, it is possible to the refrigeration in plate fin The flow path of agent deforms, and unevenness is generated in the flow and flow rate of refrigerant, so as to cause the reduced performance as heat exchanger. Also, according to circumstances there are problems that refrigerant is leaked from refrigerant flow path in the thin plate fin of thickness.

Existing technical literature

Patent document

Patent document 1：No. 3965901 bulletins of Japanese Patent Publication No.

Patent document 2：Utility model registers No. 3192719 bulletin

Summary of the invention

The purpose of the present invention can be realized lightweight, miniaturization and efficient activity providing one kind, even and high pressure The structural reliability that refrigerant flows through also high heat exchanger.

The heat exchanger of one embodiment of the present invention includes：Plate fin laminated body made of plywood fin, wherein the plate Fin has the 1st fluid in the flow path wherein flowed；With for comb, flowed in the flow path of each plate fin in plate fin laminated body The 1st dynamic fluid, for comb, is made the 2nd fluid in the folded interflow of plate fin laminated body, flowed in the 1st fluid and the 2nd by this Heat exchange is carried out between body.Plate fin includes：With multiple the 1st linear fluid flowing paths so that the 1st fluid flows in parallel Dynamic flow passage region；With the header areas with the collector flow path for being connected to each 1st fluid flowing path of flow passage region with for comb. The outer wall of collector flow path is abutted with the outer wall of the collector flow path in plate fin laminated body in the adjacent plate fin of stacking direction.

Realize lightweight, miniaturization and efficient activity in accordance with the invention it is possible to provide, even and high pressure refrigerant stream The structural reliability crossed also high heat exchanger.

Detailed description of the invention

Fig. 1 is the perspective view for indicating the appearance of stacking template fin heat exchanger of embodiments of the present invention.

Fig. 2 is the top view of the plate fin in the stacking template fin heat exchanger for indicate present embodiment.

Fig. 3 is that the structure partial amplification of the plate fin in the stacking template fin heat exchanger by present embodiment indicates Exploded view.

Fig. 4 is the various cross sectional shapes of the refrigerant flow path in the stacking template fin heat exchanger for indicate present embodiment Figure.

Fig. 5 is the plate fin in the plate fin laminated body in the stacking template fin heat exchanger for indicate present embodiment The top view of a part.

Fig. 6 is the perspective view for indicating the section that plate fin laminated body shown in fig. 5 is truncated by line VI -- VI.

Fig. 7 is header areas or refrigerant made of indicating the different sheet fabrications by thickness in the present embodiment The sectional view of a part of flow path.

Fig. 8 is the figure for indicating to be laminated and constituted by different plate fins in present embodiment plate fin laminated body.

Fig. 9 is the perspective view for indicating the section that plate fin laminated body shown in Fig. 8 is truncated by IX-IX line.

Figure 10 is to indicate to be equipped with the perspective view of the state of positioning pin in plate fin laminated body in present embodiment.

Figure 11 is the figure for indicating the section for indicating the plate fin laminated body amplification that positioning pin is equipped in present embodiment.

Figure 12 is the top view of the plate fin for the variation for indicating embodiments of the present invention.

Figure 13 is the top view of the plate fin for the variation for indicating embodiments of the present invention.

Figure 14 is the top view of the plate fin for the variation for indicating embodiments of the present invention.

Figure 15 is the perspective view for indicating the upper end plate of upper end setting of the plate fin laminated body in present embodiment.

Figure 16 is the perspective view for indicating the lower end plate of lower end setting of the plate fin laminated body in present embodiment.

The collector region (header) of plate fin laminated body in Figure 17 present embodiment and the amplification of upper end plate are three-dimensional Figure.

Figure 18 is the amplification stereogram for indicating the engagement state of the plate fin laminated body in present embodiment and lower end plate.

Figure 19 is the plate fin laminated body for the variation for indicating display embodiments of the present invention and the engagement of lower end plate The amplification stereogram of state.

Figure 20 is the top view for indicating the upper surface of lower end plate shown in Figure 19.

Figure 21 is the plate fin laminated body for the variation for indicating display embodiments of the present invention and the engagement of lower end plate The amplification stereogram of state.

Figure 22 A is the top view of lower end plate shown in Figure 21.

Figure 22 B is the side view of lower end plate shown in Figure 21.

Figure 23 is the plate fin laminated body for the variation for indicating display embodiments of the present invention and the engagement of lower end plate The amplification stereogram of state.

Figure 24 A is the top view of lower end plate shown in Figure 23.

Figure 24 B is the side view of lower end plate shown in Figure 23.

Figure 25 is the plate fin laminated body for the variation for indicating display embodiments of the present invention and the engagement of lower end plate The amplification stereogram of state.

Figure 26 is the perspective view of the plate fin laminated body for the variation for indicating embodiments of the present invention.

Specific embodiment

The heat exchanger of 1st mode of the invention includes：Plate fin laminated body made of plywood fin, wherein the plate Fin has the 1st fluid in the flow path wherein flowed；With for comb, flowed in the flow path of each plate fin in plate fin laminated body The 1st dynamic fluid, for comb, is made the 2nd fluid in the folded interflow of plate fin laminated body, flowed in the 1st fluid and the 2nd by this Heat exchange is carried out between body.Plate fin includes：With multiple the 1st linear fluid flowing paths so that the 1st fluid flows in parallel Dynamic flow passage region；With the header areas with the collector flow path for being connected to each 1st fluid flowing path of flow passage region with for comb. The outer wall of collector flow path is abutted with the outer wall of the collector flow path in plate fin laminated body in the adjacent plate fin of stacking direction.

In the heat exchanger of 2nd mode of the invention, the collector flow path in the 1st mode has for making by for comb Refrigerant flows through the multiple-limb flow path of each 1st fluid flowing path of flow passage region.

The heat exchanger of 3rd mode of the invention, the layer in the 2nd mode, in multiple-limb flow path, with plate fin laminated body The outer wall of multiple-limb flow path on folded direction in adjacent plate fin abuts.

The heat exchanger of 4th mode of the invention, in the header areas of the 1st to the 3rd mode either type, collector flow path Tube wall formed thicker than other positions.

The heat exchanger of 5th mode of the invention, in the flow passage region of the 1st to the 4th mode either type, the pipe of flow path Wall forms thicker than other positions.

The heat exchanger of 6th mode of the invention, in the plate fin of the 1st to the 5th mode either type, header areas is set It sets in two sides, the collector flow path of the header areas of two sides has symmetrical shape.

The heat exchanger of 7th mode of the invention, in the 6th mode, in the plate fin that two sides are provided with header areas, Each collector flow path includes the tortuous flow passage made for comb and multiple-limb fluid communication, is configured at the detour stream of the two sides of plate fin Road and multiple-limb flow path have using the center of plate fin as the shape of the point symmetry of symmetrical centre.

The heat exchanger of 8th mode of the invention is arranged in the header areas of the 1st to the 7th mode either type in two sides Plate fin in, be formed with multiple header areas supporting parts different from flow path, outstanding in header areas, be configured at plate fin Two sides header areas supporting part, have using the center of plate fin as the shape of the point symmetry of symmetrical centre.

The heat exchanger of 9th mode of the invention, in the plate fin of the 1st to the 5th mode either type, header areas is set Side at one end is set, is arranged for comb in position corresponding with header areas.

The heat exchanger of 10th mode of the invention, the header areas in the plate fin of the 1st to the 9th mode either type Be formed with multiple header areas supporting parts different from flow path, outstanding, header areas supporting part in plate fin laminated body Stacking direction on the header areas of adjacent plate fin abut to form rule between plate fin adjacent in the stacking direction Determine space.

The heat exchanger of 11st mode of the invention, the header areas supporting part in the header areas for being set to the 10th mode With through hole, through hole becomes location hole.

The heat exchanger of 12nd mode of the invention is connected with positioning pin in the location hole of the 11st mode.

The heat exchanger of 13rd mode of the invention, the flow path in the 1st to the 12nd mode either type, in plate fin Region is formed with flow passage region supporting part different from flow path, outstanding, flow passage region supporting part in plate fin laminated body Stacking direction on the flow passage region of adjacent plate fin abut to form regulation space between lamination.

The heat exchanger of 14th mode of the invention, in the 1st to the 13rd mode either type, plate fin laminated body is by having There is the plate fin of different flow path shapes to be laminated and constitute.

The heat exchanger of 15th mode of the invention, in the 1st to the 13rd mode either type, plate fin laminated body is by having There are two types of the plate fin of flow path shape is alternately laminated and constitute.

In the heat exchanger of 16th mode of the invention, the plate fin laminated body of the 15th mode, in flow passage region In the orthogonal section in the direction of 1st fluid flowing, the flow path formation in alternately stacked plate fin is staggered.

The heat exchanger of 17th mode of the invention, the flow passage region in the 14th or the 15th mode, in plate fin It is formed with flow path supporting part different from flow path, outstanding, flow path supporting part and phase on the stacking direction in plate fin laminated body The tube wall of the 1st fluid flowing path in the flow passage region of adjacent plate fin abuts.

The heat exchanger of 18th mode of the invention, the flow path supporting part being provided projectingly in the plate fin of the 17th mode, The flow direction of 2nd fluid of the folded interflow relative to plate fin laminated body configures with being staggered.

The heat exchanger of 19th mode of the invention, the flow path supporting part being provided projectingly in the plate fin of the 17th mode Quantity, on the flow direction of the 2nd fluid B, downwind side is arranged much than weather side.

The heat exchanger of 20th mode of the invention, the 15th mode tool there are two types of flow path shape plate fin in, The flow passage region of the plate fin of one side is formed with flow passage region different from flow path, outstanding protrusion, in the plate fin of another party Flow passage region be formed with flow passage region recess portion in position corresponding with flow passage region protrusion, the stacking side in plate fin laminated body The flow passage region protrusion of adjacent plate fin and flow passage region recesses fit upwards, will keep between the lamination of adjacent plate fin Provide space.

The heat exchanger of 21st mode of the invention, in either the 1st to the 20th mode formula, in plate fin at least The flow path of flow passage region, the section orthogonal with the direction of the 1st fluid flowing in flow path is rectangular shape.

The heat exchanger of 22nd mode of the invention, in either the 1st to the 20th mode formula, in plate fin at least The flow path of flow passage region, the section orthogonal with the direction of the 1st fluid flowing in flow path is circular shape.

The heat exchanger of 23rd mode of the invention, in either the 1st to the 22nd mode formula, in plate fin at least The flow path of flow passage region, only a side side of the stacking direction in plate fin laminated body is protrudedly formed.

The heat exchanger of 24th mode of the invention, in either the 1st to the 22nd mode formula, in plate fin at least The two sides of the flow path of flow passage region, the stacking direction in plate fin laminated body are protrudedly formed.

Hereinafter, being described with reference to the stacking template fin heat exchange as the embodiment of heat exchanger of the invention Device.In addition, the knot of stacking template fin heat exchanger documented by heat exchanger of the invention embodiment not limited to the following Structure, the structure comprising the heat exchanger same with the thought of the technology illustrated in the following embodiments.Reality described below The mode of applying indicates an example of the invention, in embodiments shown in structure, function, movement etc. be to illustrate, do not limit this Invention.The structure that in constituent element in the following embodiments and the accompanying drawings, expression upper concept independent claims are not recorded At element, it is illustrated as arbitrary constituent element.

Fig. 1 is the appearance for indicating the stacking template fin heat exchanger (hereinafter referred to as heat exchanger) 1 of present embodiment Perspective view.As shown in Figure 1, the heat exchanger 1 of present embodiment includes：Supply the infeed pipe of the refrigerant as the 1st fluid (inlet header) 4；The plate fin laminated body 2 that multiple plate fin 2a of rectangle tabular are laminated and constitute；With will be formed in plate The discharge pipe (outlet header) 5 for the refrigerant discharge flowed in flow path in fin 2a.It, will be in addition, in the present embodiment Enter pipe 4 and discharge pipe 5 is referred to as comb.

In addition, (upper and lower at the both ends of the stacking direction for the plate fin laminated body 2 being made of multiple plate fin 2a stacking End) it is provided with end plate 3a, 3b of shape roughly the same with rectangular plate fin 2a when vertical view.End plate 3a, 3b are by having rigidity Plate formed, such as by grinding to aluminium, aluminium alloy, stainless steel and other metal materials carry out intermetallic composite coating formed.End plate 3a, 3b is configured to the plate fin 2a from upper and lower clamping stacking, is reliably protected at predetermined intervals between the lamination of the plate fin 2a of stacking It holds.

In the present embodiment, the stacking direction of plate fin laminated body 2 is vertical direction, is being configured at plate fin laminated body The upper end plate 3a of 2 upper end is provided with for comb 4,5.In addition, in upper end plate 3a, in the long side of plate fin laminated body 2 The both side ends in direction, which are nearby respectively arranged with, feeds pipe 4 and discharge pipe 5.Therefore, as the 1st fluid fed from infeed pipe 4 Refrigerant in the multiple flow paths of inside for being formed in each plate fin 2a in the horizontal direction flow and be discharged from discharge pipe 5.

In the heat exchanger 1 of the present embodiment constituted in the manner described above, the refrigerant as the 1st fluid is in plate fin layer It is flowed in parallel in the long side direction in multiple flow paths of the inside of each plate fin 2a of stack 2.On the other hand, as the 2nd stream Gap between the lamination that the air of body passes through the plate fin 2a being formed in plate fin laminated body 2.The heat constituted in the manner described above Exchanger 1 carries out the heat exchange of the 1st fluid and the 2nd fluid in plate fin laminated body 2.

Plate fin laminated body 2 in the heat exchanger 1 of present embodiment by have there are two types of the plate fin 2a of flow passage structure (6, 7) it is laminated and constitutes.The 1st plate fin 6 and the 2nd plate fin 7 of two kinds of plate fin 2a is alternately arranged in plate fin laminated body 2.

Firstly, being illustrated to the 1st plate fin 6 used in the heat exchanger 1 in present embodiment.Fig. 2 is to indicate the 1st The top view of plate fin 6.As shown in Fig. 2, the 1st plate fin 6 has the header areas H for the two sides for being formed in longitudinal direction and is formed Flow passage region P between the header areas H of two sides.

Header areas H in the two sides for being formed in the 1st plate fin 6 is formed with from the refrigerant for feeding pipe 4 or to row The collection tube opening 8 that the refrigerant that outlet pipe 5 is gone flows through.In addition, being respectively formed with the refrigeration from collection tube opening 8 in header areas H Agent or the collector flow path 10 flowed through to the refrigerant that collection tube opening 8 is gone, are formed in each collector of the two sides of the 1st plate fin 6 Flow path 10 has symmetrical shape.In present embodiment, it is configured at the collector flow path 10 of the two sides of the 1st plate fin 6, such as rear institute It states, the shape of the point symmetry of symmetrical centre is in center when having using the vertical view of the 1st plate fin 6.

In the 1st plate fin 6, flow passage region P between the header areas H for being formed in two sides is formed with for from confession Enter multiple refrigerant flow paths (the 1st fluid flowing path) 11 that pipe 4 flows through refrigerant to discharge pipe 5.Multiple refrigerant flow paths 11 are in length Edge direction is formed parallel to, and is connected to the collector flow path 10 of the header areas H in two sides.

As shown in Fig. 2, the respective substantial middle in the header areas H of two sides is formed with as circular through hole Collect tube opening 8, the collector flow path 10 that refrigerant flows through is formed with around collection tube opening 8.Collector flow path 10 includes：In collector The peripheral flow path 10a that the periphery of opening 8 is formed in a manner of upper and lower bulging；From the side flow passage region P the (the 1st of peripheral flow path 10a The center side of plate fin 6) in a tortuous flow passage 10b of short side direction extension；With by tortuous flow passage 10b and flow passage region P In each refrigerant flow path 11 connect multiple-limb flow path 10c.The collector flow path 10 that the two sides of the 1st plate fin 6 are arranged in has Symmetrical shape.For example, the tortuous flow passage 10b of the collector flow path 10 in left side shown in Fig. 2, from the flow path of its peripheral flow path 10a The region side P extends to a side (the upper direction of Fig. 2) for short side direction, and the tortuous flow passage 10b of the collector flow path 10 on right side is outside it The side flow passage region P of Zhou Liulu 10a extends to another party (the lower direction of Fig. 2) of short side direction.That is, being arranged in the 1st plate fin 6 Two sides collector flow path 10 have using the vertical view of the 1st plate fin 6 when center as the shape of the point symmetry of symmetrical centre.

In collector flow path 10, in the tortuous flow passage 10b that the short side direction of the 1st plate fin 6 extends, with multiple-limb flow path 10c connection, wherein be communicated to multiple-limb flow path 10c branch multiple refrigerant flow paths 11 in flow passage region P side by side. The position that tortuous flow passage 10b is connect with multiple-limb flow path 10c, the system near end on the short side direction of the 1st plate fin 6 On the flow path of refrigerant line 11 extends.Therefore, as shown in Fig. 2, collector flow path 10 is by the tortuous flow passage that extends from peripheral flow path 10a 10b and multiple-limb flow path 10c are formed as U-shaped, are formed in a manner of turning back by tortuous flow passage 10b and multiple-limb flow path 10c. That is, the center when tortuous flow passage 10b and multiple-limb flow path 10c of the two sides of the 1st plate fin 6 have with the vertical view of the 1st plate fin 6 For the shape of the point symmetry of symmetrical centre.In the collector flow path 10 constituted in this way, by the refrigerant of tortuous flow passage 10b from Refrigerant is sequentially sent to refrigeration arranged side by side by the refrigerant flow path 11 near end on the short side direction of 1 plate fin 6 Agent flow path 11.

As shown in Fig. 2, in the mode adjacent with refrigerant flow path 11, being formed with specified interval in flow passage region P Multiple protrusions 12 (the 1st tenon 12a, the 2nd tenon 12b).There are two types of shapes (especially, to dash forward for above-mentioned protrusion 12 (12a, 12b) tool Length is different out).1st tenon 12a is flow passage region supporting part, be provided projectingly flow passage region P edge (in Fig. 2 downside Edge).The edge of flow passage region P in 1st tenon 12a and plate fin 2a adjacent on stacking direction in plate fin laminated body 2 Portion abuts.Like this, the 1st tenon 12a is abutted with the edge of the flow passage region P of adjacent plate fin 2a, can be reliably by phase Distance between the lamination of adjacent plate fin 2a is reliably defined as defined length.

2nd tenon 12b is flow path supporting part, and the refrigeration being arranged side by side in flow passage region P is configured at specified interval Between the flow path of agent flow path 11.In the present embodiment, the 2nd tenon 12b is together with the 1st tenon 12a along the 2nd fluid (air) Flow direction is arranged.2nd tenon 12b is configured to and plate fin 2a adjacent on stacking direction in plate fin laminated body 2 In refrigerant flow path 11 it is opposite, and abutted with the tube wall (outer wall) of the refrigerant flow path 11 in adjacent plate fin 2a.As this Sample, the 2nd tenon 12b are abutted with the outer wall of the refrigerant flow path 11 of adjacent plate fin 2a, so can reliably will be adjacent Gap between plate fin 2a and refrigerant flow path 11 is defined as defined length.

In addition, the 1st tenon 12a and the 2nd tenon 12b can be relative to the 2nd stream of the folded interflow of plate fin laminated body 2 Body (air：B in Fig. 2) flow direction configure with being staggered, can also be at least

2nd tenon 12b is configured with being staggered relative to the flow direction of the 2nd fluid.By constituting in the manner described above, 2nd fluid of the folded interflow of plate fin laminated body 2 becomes turbulent flow, it can be ensured that flow path can be improved heet transfer rate.

In addition, in the 1st plate fin 6, in each header areas H-shaped at the location hole for having 2 through holes as positioning 13.Location hole when location hole 13 is by the stacking of multiple plate fin 2a (6,7), installs positioning pin high-precision on location hole 13 Ground keeps the stratification position with other plate fin 2a.In addition, as positioning pin, it can be affixed to be inserted into the state of location hole, It can also be using the structure for improving the rigidity as heat exchanger.It on the other hand, can be using the lightweight for heat exchanger Deng and the structure of finally extracting positioning pin from heat exchanger.

In addition, the outer peripheral portion in location hole 13 is formed with the positioning peripheral part 13a of upper and lower bulging.The positioning peripheral part 13a forms the space different from the flow path that refrigerant flows through.Position the peripheral part 13a plate wing adjacent in stacking direction as described later Piece 2a is abutted between (6,7), is become with the header areas for keeping specified interval between the adjacent plate fin 2a of stacking direction The header areas supporting part of supporting functions.

Be formed in header areas H collector flow path 10 (10a, 10b, 10c) and the positioning that is formed in around location hole 13 Peripheral part 13a is formed as highly protruding in the upper and lower surfaces of the 1st plate fin 6 with defined.In addition, collector Flow path 10 (10a, 10b, 10c) and the raised face (upper surface and lower end surface) for positioning peripheral part 13a are formed as flat surface.Therefore, The vertical sectional shape orthogonal with flow direction in collector flow path 10 (10a, 10b, 10c), have protrusion (upper part and End portion) flat rectangular shape.

In present embodiment, the height of collector flow path 10 and positioning peripheral part 13a are formed as in 2 middle layer of plate fin laminated body The length (1/2 pitch) of the half in the gap (distance) on folded direction between adjacent plate fin 2a.Therefore, phase in the stacking direction In the header areas H of adjacent plate fin 2a, the tube wall (outer wall) of collector flow path 10 and position peripheral part 13a respectively with opposite collection The tube wall (outer wall) and positioning peripheral part 13a of pipe flow path 10 abut.The outer wall of the collector flow path 10 of abutting is flat face, so Such as passing through the face obtained from reliably affixed such as soldering.Therefore, each plate fin 2a in plate fin laminated body 2 Header areas H becomes the state of the reliably stacking with preset specified interval.

Fig. 3 is the exploded view for indicating a part amplification of the structure of the 1st plate fin 6 in plate fin laminated body 2.1st Plate fin 6 is formed by the metal plate of aluminium, aluminium alloy, stainless steel etc..In addition, being handed in plate fin laminated body 2 with the 1st plate fin 6 It is also formed by material identical with the 1st plate fin 6 for the 2nd plate fin 7 of stacking.

As shown in figure 3, the 1st plate fin 6 will be by that will carry out the plate for being formed at least one utilizingthebrazing material layer in core material 1st plate-shaped member 6a obtained from punch process carries out the 2nd plate-like portion obtained from punch process with to mutually isostructural plate Part 6b is bonded and is formed.Collector flow path 10, formation in the 1st plate-shaped member 6a and the 2nd plate-shaped member 6b, in the H of header areas Positioning peripheral part 13a around the location hole 13, the refrigerant flow path 11 in flow passage region P and protrusion (the 1st tenon 12a and 2nd tenon 12b) 12, it is stamping the shape being shaped to respectively.

As described above, peripheral flow path 10a, tortuous flow passage 10b and multiple-limb flow path 10c structure by being formed in header areas H At collector flow path 10 and the positioning peripheral part 13a that is formed in around location hole 13, the 1st plate fin 6 upper surface and Lower surface is protrudedly formed, and respectively has the half (1/2 pitch) of the distance between plate fin 2a adjacent in the stacking direction Identical height.In addition, peripheral flow path 10a, tortuous flow passage 10b and multiple-limb flow path 10c in collector flow path 10, and side by side The refrigerant flow path 11 for being set to flow passage region P, which is compared, to be widely formed, and the vertical sectional shape tool orthogonal with flow direction There is rectangular shape.On the other hand, it is formed in the refrigerant flow path 11 of flow passage region P, preferably hydraulic diameter is 1mm or less.

In addition, in the present embodiment, it is (orthogonal with the direction of refrigerant flowing with the cross sectional shape of refrigerant flow path 11 Cross sectional shape) it is illustrated for circular shape, but it is not limited to circular shape in the present invention.In addition, in the present invention, it is round Shape includes compound curve shape that is round, Elliptical circle and formed by closed curve.As the refrigerant flow path 11 in the present invention, For example, as shown in figure 4, the cross sectional shape orthogonal with the direction that refrigerant flows through further includes rectangle shape other than circular shape Shape etc., including only to the side side shape outstanding of stacking direction or to the prominent structure formed in the two sides of stacking direction.This Outside, in the Fig. 4 of various cross sectional shapes for indicating refrigerant flow path, in order to indicate that refrigerant flow path 11 is by 2 plate-shaped members It is being formed and illustrate separated state, but actually 2 plate-shaped members abut and being formed has defined cross sectional shape Refrigerant flow path 11.

Fig. 5 is the top view near the header areas H of the 1st plate fin 6 in display plate fin laminated body 2.Fig. 6 is table Show the perspective view in the section that plate fin laminated body 2 shown in fig. 5 is truncated by line VI -- VI.Such as 2 institute of plate fin laminated body of Fig. 6 Show, plate fin laminated body 2 is alternately laminated by the 1st plate fin 6 and the 2nd plate fin 7 and constitutes.4 plate fins are illustrated in Fig. 6 (6,7) state being laminated, but this is only a part of, it is alternately laminated by multiple plate fins (6,7) in plate fin laminated body 2.

Collector flow path 10 in plate fin laminated body 2, in the respective header areas H of the 1st plate fin 6 and the 2nd plate fin 7 Outer wall (flat surface) and the outer wall (flat surface) of the collector flow path 10 of adjacent plate fin (6,7) in the stacking direction be laminated It is abutted on direction.The flat surface and plate fin adjacent in the stacking direction of the outer wall of peripheral flow path 10a are illustrated in Fig. 6 The flat surface of the outer wall of the peripheral flow path 10a of (6,7) abuts.In the present embodiment, the refrigeration flowed in collector flow path 10 Agent is applied higher pressure in collector flow path 10, but due to the tube wall of collector flow path 10 (outer wall) and adjacent plate fin The tube wall (outer wall) of the collector flow path 10 of (6,7) is affixed (abutting), so the bulging of the tube wall in collector flow path 10 can be limited, Form pressure-resistance structure.Therefore, in the structure of present embodiment, the pressure of the refrigerant flowed in collector flow path 10 can be set It is highlyer fixed, it being capable of the efficient heat exchange of high reliability progress.

In addition, only the tube wall of the collector flow path 10 in the H of header areas is compared with other positions with the thick wall portion shape of thickness At.Fig. 7 is section for indicating a part for the header areas H being process using the stamping different plates to thickness Face figure.As shown in fig. 7, making the tube wall part of the collector flow path 10 in the H of header areas by the thickness of the thickness thickness compared with other parts Wall portion is constituted, and forms the structure for the heat exchanger that also can reliably cope with to the refrigerant of high pressure.

In addition, as shown in fig. 7, only making the tube wall of the refrigerant flow path 11 in flow passage region P by thick compared with other positions It spends thick that thick wall portion is constituted.By constituting in the manner described above, it is formed in the system that higher pressure is coped in refrigerant flow path 11 The structure of cryogen.

As shown in fig. 6, the 1st plate fin 6 and 7 alternating layer of the 2nd plate fin in the plate fin laminated body 2 of present embodiment It is folded.2nd plate fin 7 has the structure substantially the same with the 1st plate fin 6, shape, but the refrigerant stream in flow passage region P The respective forming position of road 11 and protrusion 12 (the 1st tenon 12a, the 2nd tenon 12b) is different from the 1st plate fin 6.

Fig. 8 is the figure for indicating to be laminated and constituted by the 1st plate fin 6 and the 2nd plate fin 7 plate fin laminated body 2.Such as Fig. 8 institute Show, in the 2nd plate fin 7, the refrigerant flow path 11 of flow passage region P is in the position opposite with the 2nd tenon 12b of the 1st plate fin 6 It sets.That is, the refrigerant flow path 11 in the flow passage region P of the 2nd plate fin 7 be configured to in the flow passage region P of the 1st plate fin 6 Position between refrigerant flow path 11 is opposite.In the plate fin laminated body 2 being laminated by the 1st plate fin 6 and the 2nd plate fin 7 In, it is reliably abutted as the 2nd tenon 12b of flow path supporting part with the tube wall (outer wall) of opposite refrigerant flow path 11.

It is orthogonal in the direction flowed through with the 1st fluid A in flow passage region P in the plate fin laminated body 2 of present embodiment Section in, the refrigerant flow path 11 in alternately stacked 1st plate fin 6 and the 2nd plate fin 7 is configured to be staggered.As The staggered specific structure is referring to aftermentioned Figure 18.

In addition, the 1st tenon as flow passage region supporting part that the edge in the flow passage region P of the 2nd plate fin 7 is formed 12a is abutted with the edge of the flow passage region P of the 1st adjacent plate fin 6 and is secured.Therefore, as flow passage region supporting part The projecting height of 1st tenon 12a is higher by refrigerant stream compared with as the projecting height of the 2nd tenon 12b of flow path supporting part The amount of the height on road 11.

Fig. 9 is the perspective view for indicating the section that plate fin laminated body 2 shown in Fig. 8 is truncated by IX-IX line.In Fig. 9 institute In the plate fin laminated body 2 shown, indicate from the top down successively only by the 1st plate fin 6, the 2nd plate fin 7, the 1st plate fin 6 and the The state of 4 plate fins stacking of 2 plate fins 7.As shown in figure 9, the 1st tenon 12a of the flow passage region P in the 1st plate fin 6 with The edge of flow passage region P in the 2nd opposite plate fin 7 abuts.In addition, the 1st tenon of the flow passage region P in the 2nd plate fin 7 12a is abutted with the edge of the flow passage region P in the 1st opposite plate fin 6.

On the other hand, the stream in the 2nd tenon 12b of the flow passage region P in the 1st plate fin 6 and the 2nd opposite plate fin 7 The tube wall (outer wall) of the refrigerant flow path 11 of road region P abuts.In addition, the 2nd tenon of the flow passage region P in the 2nd plate fin 7 12b is abutted with the tube wall (outer wall) of the refrigerant flow path 11 of the flow passage region P in the 1st opposite plate fin 6.

In addition, in the present invention, it is affixed by being brazed with the plate fin 2a (6,7) of the stacking in plate fin laminated body 2 Structure be illustrated, but the present invention is not limited to the structure, other fixing means, examples for having heat resistance can be used Such as mechanical connection method uses the consolidation method of chemical joint element.

As described above, in the plate fin laminated body 2 of present embodiment, the 1st reliable twelve Earthly Branches of tenon 12a of flow passage region P The edge for holding the flow passage region P of opposite fin plate (6,7), can ensure defined gap between lamination.In present embodiment In, the 1st tenon 12a of flow passage region P becomes the flow passage region supporting part in plate fin laminated body 2.

In addition, the tube wall of the refrigerant flow path 11 of the 2nd tenon 12b of flow passage region P and opposite fin plate (6,7) is (outer Wall) it abuts, in this respect, it is able to maintain between the fin plate (6,7) in plate fin laminated body 2 and the lamination of refrigerant flow path 11 Defined interval.In the present embodiment, the 2nd tenon 12b of flow passage region P is the flow path supporting part in plate fin laminated body 2.

In addition, in the above-described embodiment, with the 1st tenon 12a of flow passage region P and opposite fin plate (6,7) The structure that the edge of flow passage region P abuts is stated, but can be coped with using other structures.For example, may be constructed To make the 1st tenon 12a flow passage region protrusion as flow passage region supporting part for the edge for being formed in flow passage region P, in phase Pair fin plate (6,7) flow passage region P edge formed flow passage region recess portion, flow passage region protrusion and flow passage region recess portion are embedding It closes.

[stacking carried out using positioning pin]

In the plate fin laminated body 2 of present embodiment, positioning pin 9 is installed so that multiple plate fin 2a (6,7) can It is to easily and reliably laminated in specified position.Figure 10 is to indicate to be equipped with the solid of the state of positioning pin 9 in plate fin laminated body 2 Figure.Figure 11 is the figure in the section for indicating that the amplification of plate fin laminated body 2 that will be equipped with positioning pin 9 indicates.The expression section of Figure 11 Figure be in Figure 10 indicated by appended drawing reference XI-XI face truncation figure.

In the present embodiment, positioning pin 9 is inserted into the conduct for being formed in the header areas H of each plate fin 2a (6,7) The location hole 13 of through hole is simultaneously brazed.Therefore, plate fin laminated body 2 becomes mechanical structure and is reinforced and to the resistance to of refrigerant The structure that Compressive Strength is especially reinforced.In addition, in the present embodiment, being able to use aluminum metal stick as positioning pin 9.

In the present embodiment, as shown in Fig. 2, being formed in the 1st tenon as flow passage region supporting part of flow passage region P 12a and the 2nd tenon 12b as flow path supporting part, is arranged in parallel configuration with the flow direction of the air as the 2nd fluid B. Like this, multiple protrusions are arranged between lamination, so can reduce to the folded interflow in plate fin laminated body 2 The flow path resistance of 2nd fluid (air) B.By constituting in the manner described above, in the plate fin laminated body 2 of present embodiment, energy Enough reduce the sound that the 2nd fluid is generated in folded interflow.

[variation of plate fin]

In addition, the variation as the plate fin 2a in the plate fin laminated body 2 of heat exchanger of the invention, has and changes The structure of the configuration of protrusion 12 (12a, 12b).For example, can be using such as flowering structure：By that will be arranged in plate fin laminated body 2 In lamination between multiple protrusions 12 (12a, 12b) configure with being staggered, generated in through the 2nd fluid B between lamination rapid Stream, to improve heat exchanger effectiveness.Figure 12 is indicated multiple protrusions 12 (12a, 12b) between the lamination in plate fin laminated body 2 The top view of the plate fin 2b of the structure configured with being staggered.In this configuration, as the 1st tenon of flow passage region supporting part 12a is abutted with the edge of opposite flow passage region P, the 2nd tenon 12b's and opposite flow passage region P as flow path supporting part The tube wall (outer wall) of refrigerant flow path 11 abuts.

In addition, by forming multiple protrusions 12 between lamination much than weather side in downwind side, between through lamination Turbulent flow is generated in 2nd fluid B, can be improved heat exchanger effectiveness.Wherein, as long as at least with the 1st tenon 12a's in protrusion 12 Protrusion 12 of the number on the flow direction of the 2nd fluid B (air) in downwind side more than weather side.Like this, pass through by The protrusion 12 of downwind side is arranged more than weather side, can be improved the heet transfer rate of the slack-off downwind side of flow velocity.Figure 13 is to indicate On the flow direction of the air as the 2nd fluid B, structure much is arranged than the protrusion 12 of weather side in the protrusion 12 of downwind side Plate fin 2c top view.In this configuration, as the 1st tenon 12a of flow passage region supporting part and opposite flow passage region P Edge abut, the tube wall of the refrigerant flow path of the 2nd tenon 12b and opposite flow passage region P as flow path supporting part is (outer Wall) it abuts.

As described above, the multiple protrusions 12 being arranged between lamination about plate fin laminated body 2 in the present embodiment Configuration structure can show various structures, can be selected according to the specification of heat exchanger, structure and the expectation of user most suitable The structure of conjunction.

In addition, illustrating another variation of the plate fin laminated body 2 in heat exchanger 1.In the above-described embodiment In plate fin laminated body 2, it is separately connected near the both side ends of longitudinal direction and feeds pipe 4 and discharge pipe 5, in each plate fin The two sides of 2a form header areas H and are provided with 2 collection tube openings 8 (referring to Fig. 2).

Figure 14 is the figure of the variation of display plate fin laminated body, is the plate fin 2d for indicating to constitute plate fin laminated body Top view.As shown in figure 14, only an end side in plate fin 2d (left side in Figure 14) forms header areas H, other Region be flow passage region P.That is, the area in the plate fin laminated body of the variation, near an end of longitudinal direction Domain connection feeds pipe and discharge pipe.In the plate fin 2d shown in Figure 14, the header areas H-shaped shown in left side is at feeding side Collect both tube opening 8a and the collection tube opening 8b of discharge side.

The plate fin 2d of Figure 14 has the opening shape of the collection tube opening 8a of feeding side than the collection tube opening 8b's of discharge side The big diameter of opening shape.This is because the heat exchanger is used as condenser, still, in this case, after heat exchange The volume of refrigerant become smaller.In addition, the refrigerant of the collection tube opening 8a from feeding side, is arranged side by side in flow passage region P Multiple refrigerant flow path 11a in flow, turn back (near the right-hand end in Figure 14) near the end in plate fin 2d.? In flow passage region P, the refrigerant flow path 11a and refrigerant for being formed with the refrigerant inflow of the collection tube opening 8a from feeding side exist The refrigerant flow path 11b that end is flowed after nearby turning back to the collection tube opening 8b of discharge side.In addition, in the heat exchanger as steaming Entrance is opposite with above situation in the case where sending out device use.

In addition, as shown in figure 14, to the refrigerant flow path arranged side by side of the collection tube opening 8b flowing refrigerant of discharge side The number of 11b is set to the refrigerant flow path 11a arranged side by side flowed into than the refrigerant of the collection tube opening 8a from feeding side Number it is few.The diameter of this and collection tube opening 8a, 8b are not both identical reason, are the volumes because of the refrigerant after heat exchange Become smaller.

In addition, in the plate fin 2d of the structure shown in Figure 14, in the system for foring the collection tube opening 8a from feeding side The refrigerant flow path 11b that the region for the refrigerant flow path 11a that cryogen flows into is flowed with the collection tube opening 8b formd to discharge side Region between, in order to the mutual heat transfer of refrigerant (heat-insulated) reduced in plate fin be formed with it is multiple opening 16.

[end plate]

Then, illustrate the stacking direction of the plate fin laminated body 2 in the heat exchanger 1 of present embodiment both ends (on Lower end) setting end plate (3a, 3b).Figure 15 is the upper end for indicating to be arranged in the upper end of the stacking direction of plate fin laminated body 2 The perspective view of plate 3a, Figure 16 are the solids for indicating the lower end plate 3b being arranged in the lower end of the stacking direction of plate fin laminated body 2 Figure.Figure 17 is the amplification stereogram of the engagement state of the header areas H and upper end plate 3a in display plate fin laminated body 2.

In the present embodiment, as described above, the 1st plate fin 6 of composition plate fin laminated body 2 and the 2nd plate fin 7 are respective It is formed and being bonded 2 plate-shaped members (6a and 6b, 7a and 7b).That is, the 1st plate fin 6 is by by the 1st plate of punch process Shape component 6a and the 2nd plate-shaped member 6b fitting and formed, the 2nd plate fin 7 is by by the 1st plate-shaped member 7a of punch process and the 2 plate-shaped member 7b are bonded and are formed.

In plate fin laminated body 2 in present embodiment, the 1st plate fin 6 and the 2nd plate fin 7 are alternately laminated, in plate fin The top portion of laminated body 2 only configures unilateral the 2nd plate-shaped member 6b (referring to Fig.1 7) as the 1st plate fin 6.Therefore, plate The top face of fin laminated body 2 has the recess portion as stria for being used to form flow path, and the top face is most by putting down Smooth face is constituted.Therefore, the flat surface in the top face of plate fin laminated body 2 becomes and the contact of the lower surface of upper end plate 3a Face, that is, joint surface (brazing surface), bonding area becomes larger.

As shown in figure 17, in the upper end plate 3a on the top face for being configured at plate fin laminated body 2 with plate fin Laminated body 2 is formed with end plate protrusion 30 on opposite face.The end plate protrusion 30 has and the use in the 2nd opposite plate-shaped member 6b In the corresponding shape of recess portion for forming flow path.Therefore, when upper end plate 3a is configured on the upper space of plate fin laminated body 2, The end plate protrusion 30 of upper end plate 3a is embedded in the recess portion for being used to form flow path in the 2nd plate-shaped member 6b.

In addition, as the plate protrusion 30 for being formed in upper end plate 3a, the width that can be made only in the H of header areas is wide It is used to form the recess portion of flow path.It can this is because the width of the recess portion (slot) for being used to form flow path in flow passage region P is narrow Ensure sufficient bearing surface.In the present embodiment, as concrete example, to be configured as the upper space of plate fin laminated body 2 There is the example of the 2nd plate-shaped member 6b of the 1st plate fin 6 to be illustrated, but this is an example, as long as plate fin laminated body 2 upper space is made of according to lamination order the unilateral side of either one or two of the 1st plate fin 6 and the 2nd plate fin 7.

Figure 18 is the amplification stereogram in the bottom face of display plate fin laminated body 2 Yu the engagement state of lower end plate 3b. As shown in figure 18, in the present embodiment, the unilateral side as the 2nd plate fin 7 is only configured in the lowest end of plate fin laminated body 2 The 1st plate-shaped member 7a.Therefore, the bottom face of plate fin laminated body 2 has the recess portion for being used to form flow path, but the bottom Major part in face is made of flat surface.It therefore, can be true between the bottom face and lower end plate 3b of plate fin laminated body 2 Protect sufficient bonding area.

[variation of plate fin laminated body and end plate]

Figure 19 to Figure 25 is the figure of the various modifications example of display plate fin laminated body and end plate.

Figure 19 is the amplification stereogram in the bottom face of display plate fin laminated body 2 Yu the engagement state of lower end plate 31b. As shown in figure 19, the 1st plate-shaped member 7a of the piece side as the 2nd plate fin 7 is configured in the bottom of plate fin laminated body 2. The bottom face of plate fin laminated body 2, by constituting the refrigerant flow path 11 as the 1st fluid flowing path in the 1st plate-shaped member 7a The face of concave surface directed downwardly that has the 1st fluid flowing path recess portion 11a of top half constitute.1st fluid flowing path recess portion 11a The concave surface (slot) having it is face-down, and contacted with the upper surface of lower end plate 31b.

Figure 20 is the top view for indicating the upper surface of lower end plate 31b.As illustrated in figures 19 and 20, in lower end plate 31b Upper surface configure with the 1st plate-shaped member 7a phase isostructural flow passage region P opposite with lower end plate 31b and header areas H.That is, header areas H is formed in the two sides of the longitudinal direction of lower end plate 31b, in the center portion clipped by header areas H It is formed with flow passage region P.

As shown in figure 20, the header areas H-shaped in the upper surface of lower end plate 31b is at there is collector flow path recess portion 32, Linear multiple refrigerant flow path recess portions (slot) 33 are formed parallel in flow passage region P.In addition, in lower end plate 31b The collector flow path recess portion 32 of header areas H, it is substantially the same with the circle of the collection tube opening 8 in plate fin (6,7) by having It is circular have bottom recess portion composition.The collector flow path recess portion 32 blocks the refrigerant for the collection tube opening 8 being connected to for comb.

As described above, be formed in the refrigerant flow path recess portion (slot) 33 of the flow passage region P of lower end plate 31b, and making For the identical position refrigerant flow path recess portion 11a formed on the 1st unilateral plate-shaped member 7a of the 2nd opposite plate fin 7 It is of similar shape.Therefore, in lower end plate 31b, by the 1st plate-shaped member 7a opposite with lower end plate 31b, collecting Area under control domain H-shaped at the collector flow path as refrigerant accumulating part, flow passage region p-shaped at the refrigeration in plate fin laminated body 2 The identical refrigerant flow path of agent flow path 11.As a result, in the heat exchanger constituted in this way, by lower end plate 31b and most lower The 1st plate-shaped member 7a at end forms refrigerant flow path, can further increase heat exchanger effectiveness.

In addition, the structure in the bottom face of plate fin laminated body 2 and lower end plate 31b shown in Figure 19 and Figure 20, It is equally constituted in the top face of plate fin laminated body 2 and the lower surface of upper end plate, it can be in the most upper of plate fin laminated body 2 Refrigerant flow path is formed between end face and the lower surface of upper end plate.

Figure 21 and Figure 22 A, B are the figures for indicating the plate fin laminated body 21 and lower end plate 34b of another structure.Figure 21 is table Show the amplification stereogram of the bottom of plate fin laminated body 21 and the engagement state of lower end plate 34b.Figure 22 A is to indicate lower end The top view of the upper surface of plate 34b.Figure 22 B is the side view of lower end plate 34b.In the structure shown in Figure 21, in plate fin The bottom of laminated body 21 configures the 2nd plate fin 7.That is, in the variation, plate fin laminated body 21 is by 2 plate-shaped member (6a It is alternately laminated and constitute with the 1st plate fin 6 made of 6b, 7a and 7b) fitting and the 2nd plate fin 7.Therefore, in this variation, In the bottom of plate fin laminated body 21 according to any one of lamination order the 1st plate fin 6 of configuration or the 2nd plate fin 7.

It as shown in Figure 22 A, B, is formed with multiple protrusions (35,36) in the upper surface of lower end plate 34b, bearing is in plate wing The lowermost of laminate 21, such as the 2nd plate fin 7.Be formed in the upper surface of lower end plate 34b multiple protrusions (35, 36), it is divided into the stream of the 2nd plate fin 7 of flow path bearing protrusion 35 and bearing of the refrigerant flow path 11 of the 2nd plate fin 7 of bearing Protrusion 36 is used in the flow passage region bearing of road region P.As shown in figure 21, flow path bearing protrusion 35 and flow passage region bearing protrusion There are two types of shape for 36 tools (especially, prominent length is different).

The flow passage region bearing protrusion 36 of lower end plate 34b is abutted with the edge of the flow passage region P in the 2nd plate fin 7. Like this, it is abutted with protrusion 36 with the edge of the flow passage region P of the 2nd plate fin 7 by flow passage region bearing, it can be by lower end The distance between plate 34b and the 2nd plate fin 7 are reliably defined as defined length.

Flow path bearing protrusion 35 is flow path supporting part, is configured in the flow passage region P of the 2nd opposite plate fin 7 side by side The position of the refrigerant flow path 11 of setting.In this variation, protrusion 36 is used in flow path bearing protrusion 35 and flow passage region bearing It is arranged together along the flow direction of the 2nd fluid (air).Flow path bearing protrusion 35 is configured to and refrigerant flow path 11 Relatively, it is abutted with the tube wall (outer wall) of the refrigerant flow path 11 of the 2nd plate fin 7.Like this, protrusion 35 and the 2nd is used in flow path bearing The tube wall (outer wall) of the refrigerant flow path 11 of plate fin 7 abuts, thus can by the upper surface of lower end plate 34b be in most lower Gap between the 2nd plate fin 7 at end is reliably defined as defined length.

In addition, being formed in multiple protrusions (35,36) of the upper surface of lower end plate 34b, can be laminated relative to plate fin The 2nd fluid (air that body 21 flows：B flow direction) configures with being staggered.In addition, multiple protrusions (35,36) can be Downwind side forms than to be in the wind side more.

In addition, the knot in the bottom face of plate fin laminated body 21 and lower end plate 34b shown in Figure 21 and Figure 22 A, B Structure can also equally constitute in the top face of plate fin laminated body 21 and the lower surface of upper end plate.

Figure 23 and Figure 24 A, B are the figures for indicating the lower end plate 37b of another structure.Figure 23 is display plate fin laminated body 21 Bottom and lower end plate 37b engagement state amplification stereogram.Figure 24 A is the upper surface for indicating lower end plate 37b Top view.Figure 24 B is the side view of lower end plate 37b.In the structure shown in Figure 23, plate fin laminated body 21 and above-mentioned figure The structure of plate fin laminated body 21 shown in 21 is identical.That is, in the variation, plate fin laminated body 21 is by 6 He of the 1st plate fin The alternately laminated composition of 2nd plate fin 7 configures the 1st plate fin 6 and the according to lamination order in the bottom of plate fin laminated body 21 Any one of 2 plate fins 7.

As shown in Figure 24 A, B, the multiple protrusions being extended in longitudinal direction are formed in the upper surface of lower end plate 37b (38,39), bearing are in the lowermost of plate fin laminated body 21, such as the 2nd plate fin 7.It is protrudedly formed in mountain shape Multiple protrusions (38,39) in the upper surface of lower end plate 37b are divided into the stream of the refrigerant flow path 11 of the 2nd plate fin 7 of bearing Protrusion 39 is used in the flow passage region bearing of the flow passage region P of the 2nd plate fin 7 of road bearing protrusion 38 and bearing.As shown in figure 23, it flows There are two types of shape with the tool of protrusion 39 for road bearing protrusion 38 and flow passage region bearing (especially, prominent length is different).

The flow passage region bearing protrusion 39 of lower end plate 37b is abutted with the edge of the flow passage region P in the 2nd plate fin 7. Like this, it is abutted with protrusion 39 with the edge of the flow passage region P of the 2nd plate fin 7 by flow passage region bearing, it can be by lower end The distance between plate 37b and the 2nd plate fin 7 are reliably defined as defined length.

Flow path bearing protrusion 38 is flow path supporting part, is configured in the flow passage region P of the 2nd opposite plate fin 7 side by side The position of the refrigerant flow path 11 of setting.Flow path bearing protrusion 38 is configured to refrigerant flow path 11 relatively, with the 2nd plate fin The tube wall (outer wall) of 7 refrigerant flow path 11 reliably abuts.Like this, the flow path bearing system of protrusion 38 and the 2nd plate fin 7 The tube wall (outer wall) of refrigerant line 11 abuts, so by the upper surface of lower end plate 37b and the 2nd plate wing of the lowermost can be in Gap between piece 7 is reliably defined as defined length.

In addition, the knot in the bottom face of plate fin laminated body 21 and lower end plate 37b shown in Figure 23 and Figure 24 A, B Structure also can be constituted similarly in the top face of plate fin laminated body 21 and the lower surface of upper end plate.

Figure 25 is the figure for indicating the lower end plate 40b of another structure.Figure 25 is the bottom of display plate fin laminated body 21 With the amplification stereogram of the engagement state of lower end plate 40b.In the structure shown in Figure 25, plate fin laminated body 21 and above-mentioned The structure of plate fin laminated body 21 shown in Figure 21 is identical.In the structure shown in Figure 25, in the upper surface shape of lower end plate 40b At having the protrusion 35 of protrusion is used as flow path bearing shown in above-mentioned Figure 21 and as the protrusion of flow passage region bearing protrusion 36.In addition, in the upper surface of lower end plate 40b, be formed with and be configured at plate fin laminated body 21 the lowermost, the such as the 2nd The tenon that the 2nd tenon 12b as flow path supporting part in plate fin 7 is abutted and engaged supports protrusion 41.Tenon supports protrusion 41 be the protrusion for the mountain shape being extended in longitudinal direction, between the refrigerant flow path 11 in the 2nd opposite plate fin 7 It is extended.In addition, tenon supports the 2nd tenon that protrusion 41 has with is arranged between refrigerant flow path 11 in the 2nd plate fin 7 The height that head 12b is reliably abutted.In addition, in the edge for the lowermost plate fin (6,7) for being configured at plate fin laminated body 21 The 1st tenon 12a formed has the height abutted with the upper surface of lower end plate 40b.

In addition, the structure in the bottom face of plate fin laminated body 21 and lower end plate 40b shown in Figure 25, in plate wing It can similarly be constituted in the top face of laminate 21 and the lower surface of upper end plate.

In addition, as above-mentioned Figure 14 is indicated shown in variation, an only end of the plate fin in plate fin laminated body Side (being left side in Figure 14) is formed in the structural example of header areas H, is also able to use deformation shown in Figure 19 to Figure 25 certainly The structure of example.

[side plate]

Figure 26 is indicated in heat exchanger of the invention, is set to plate fin laminated body 2 to clip from two sides surface side The mode of end plate 3a, 3b of upper and lower side are provided with the perspective view of the variation of 1 group of side plate 17,18.Variation shown in Figure 26 In, the side that the header areas side H of a side of infeed pipe 4 is connected in plate fin laminated body 2 is pressed from both sides by the 1st side plate 17 from upper and lower ?.In addition, being connected to the side of the header areas side H of another party of discharge pipe 5 in plate fin laminated body 2 by the 2nd side plate 18 From clipping up and down.On the 1st side plate 17, it is formed with the upper opening 17a for making to feed the perforation of pipe 4 and as the 2nd fluid B's The side opening 17b that the mode that air is flowed into the header areas of plate fin laminated body 2 is formed.Equally, on the 2nd side plate 18, It is formed with for the upper opening 18a of the perforation of discharge pipe 5 and plate fin laminated body 2 is flowed into using the air as the 2nd fluid B The side opening 18b that the mode of header areas H is formed.

As described above, to clip the header areas part H from the two sides of plate fin laminated body 2 in the variation shown in Figure 26 Upper and lower mode be provided with 1 group of side plate 17,18, so even if thin and simple using the thickness for being used as end plate 3a, 3b is done Structure, also can be from the header region reliably pressed with authorized pressure in the plate fin 2a for being constituted plate fin laminated body 2 up and down The tube wall of the collector flow path 10 of domain H.The plate fin laminated body 2 constituted in the manner described above, can make the system of desired high pressure Cryogen flows through plate fin laminated body 2, is able to carry out efficient heat exchange.

In addition, the structural example as plate fin laminated body 2 shown in FIG. 1 is illustrated in Figure 26, still, make In structure with Figure 19 to Figure 25 variation illustrated, 1 group of side plate 17,18 can be also set, formed and clip plate fin up and down The structure of laminated body.It, also can be from up and down with authorized pressure reliably pressing plate fin layer in the structure of such variation Stack can make the refrigerant of desired high pressure flow through plate fin laminated body, be able to carry out efficient heat exchange.

As described above, can be realized lightweight, miniaturization and high heat exchange in the structure of heat exchanger of the invention Efficient activity, even and high pressure refrigerant flow through the plate fin in plate fin laminated body structural reliability it is also high, be heat The high heat exchanger of exchange efficiency.

Utilization possibility in industry

The present invention is the device of lightweight and miniaturization, can implement reliability and high-efficient heat exchange, so being city The costly heat exchanger in field.

Description of symbols

1 heat exchanger

2 plate fin laminated bodies

2a plate fin

3 end plates

4 feed pipe (inlet header)

5 discharge pipes (outlet header)

6 the 1st plate fins

7 the 2nd plate fins

8 collection tube openings

9 positioning pins

10 collector flow paths

10a peripheral flow path

10b tortuous flow passage

10c multiple-limb flow path

11 refrigerant flow paths (the 1st fluid flowing path)

12 protrusions

The 1st tenon of 12a (flow passage region supporting part)

The 2nd tenon of 12b (flow path supporting part)

13 location holes

13a positions peripheral part (header areas supporting part)

17 the 1st side plates

18 the 2nd side plates.

Claims (24)

1. a kind of heat exchanger, which is characterized in that including：

Plate fin laminated body made of plywood fin, wherein the plate fin has the 1st fluid in the flow path wherein flowed； With

For comb, the 1st fluid flowed in the flow path of each plate fin in the plate fin laminated body passes through institute It states for comb,

Make the 2nd fluid in the folded interflow of the plate fin laminated body, between the 1st fluid and the 2nd fluid into Row heat exchange, wherein

The plate fin includes：

With multiple the 1st linear fluid flowing paths so that the flow passage region that the 1st fluid flows in parallel；With

With making each 1st fluid flowing path of the flow passage region and the header areas of the collector flow path being connected to for comb,

The outer wall of the collector flow path, in the plate fin laminated body described in the adjacent plate fin of stacking direction The outer wall of collector flow path abuts.

2. heat exchanger as described in claim 1, it is characterised in that：

The collector flow path has for making to flow through each 1st of the flow passage region by the 1st fluid for comb The multiple-limb flow path of fluid flowing path.

3. heat exchanger as claimed in claim 2, it is characterised in that：

It is described more in the adjacent plate fin on stacking direction in the multiple-limb flow path, with the plate fin laminated body The outer wall of branch flow passage abuts.

4. heat exchanger as claimed any one in claims 1 to 3, it is characterised in that：

In the header areas, the tube wall of the collector flow path forms thicker than other positions.

5. heat exchanger according to any one of claims 1 to 4, it is characterised in that：

In the flow passage region, the tube wall of the flow path forms thicker than other positions.

6. the heat exchanger as described in any one of claims 1 to 5, it is characterised in that：

In the plate fin, the header areas setting has in two sides, the collector flow path of the header areas of two sides There is symmetrical shape.

7. heat exchanger as claimed in claim 6, it is characterised in that：

In the plate fin that two sides are provided with the header areas, each collector flow path include make it is described for comb and The tortuous flow passage of the multiple-limb fluid communication,

It is configured at the tortuous flow passage and the multiple-limb flow path of the two sides of the plate fin, is had in the plate fin The heart is the shape of the point symmetry of symmetrical centre.

8. the heat exchanger as described in any one of claims 1 to 7, it is characterised in that：

In the plate fin that two sides are provided with the header areas, it is formed in the header areas different from the flow path , multiple header areas supporting parts outstanding,

It is configured at the header areas supporting part of the two sides of the plate fin, having with the center of the plate fin is in symmetrical The shape of the point symmetry of the heart.

9. the heat exchanger as described in any one of claims 1 to 5, it is characterised in that：

In the plate fin, side at one end is arranged in the header areas, described to be arranged for comb corresponding with the header areas Position.

10. heat exchanger as claimed in any one of claims 1-9 wherein, it is characterised in that：

The header areas in the plate fin is formed with multiple header areas bearings different from the flow path, outstanding Described in portion, the header areas supporting part and the plate fin adjacent on the stacking direction in the plate fin laminated body Header areas abuts to form regulation space between the plate fin adjacent in the stacking direction.

11. heat exchanger as claimed in claim 10, it is characterised in that：

There is through hole in the header areas supporting part for being set to the header areas, the through hole becomes location hole.

12. heat exchanger as claimed in claim 11, it is characterised in that：

Positioning pin is connected in the location hole.

13. the heat exchanger as described in any one of claims 1 to 12, it is characterised in that：

The flow passage region in the plate fin is formed with flow passage region supporting part different from the flow path, outstanding,

The institute of the flow passage region supporting part and the plate fin adjacent on the stacking direction in the plate fin laminated body Flow passage region is stated to abut to form regulation space between lamination.

14. the heat exchanger as described in any one of claims 1 to 13, it is characterised in that：

The plate fin laminated body is laminated by the plate fin with different flow path shapes and is constituted.

15. the heat exchanger as described in any one of claims 1 to 13, it is characterised in that：

The plate fin laminated body is constituted by having alternately laminated there are two types of the plate fin of flow path shape.

16. heat exchanger as claimed in claim 15, it is characterised in that：

The plate fin laminated body is handed in the section orthogonal with the direction of the 1st fluid flowing in the flow passage region It is staggered for the flow path formation in the plate fin of stacking.

17. the heat exchanger as described in claim 14 or 15, it is characterised in that：

The flow passage region in the plate fin is formed with flow path supporting part different from the flow path, outstanding, described On stacking direction in flow path supporting part and the plate fin laminated body in the flow passage region of the adjacent plate fin The tube wall of 1st fluid flowing path abuts.

18. heat exchanger as claimed in claim 17, it is characterised in that：

The flow path supporting part being provided projectingly in the plate fin, the folded interflow relative to the plate fin laminated body The flow direction of the 2nd fluid configure with being staggered.

19. heat exchanger as claimed in claim 17, it is characterised in that：

The quantity for the flow path supporting part being provided projectingly in the plate fin, on the flow direction of the 2nd fluid, downwind side Much than weather side setting.

20. heat exchanger as claimed in claim 15, it is characterised in that：

In the plate fin of the tool there are two types of flow path shape, it is formed with and flows in the flow passage region of a plate fin Road is different, flow passage region protrusion outstanding, another plate fin the flow passage region with the flow passage region The corresponding position in protrusion is formed with flow passage region recess portion, the adjacent plate wing on the stacking direction in the plate fin laminated body The flow passage region protrusion of piece and the flow passage region recesses fit, thus by being kept between the lamination of the adjacent plate fin Provide space.

21. the heat exchanger as described in any one of claims 1 to 20, it is characterised in that：

The flow path of at least described flow passage region in the plate fin, with the 1st fluid flowing in the flow path The orthogonal section in direction is rectangular shape.

22. the heat exchanger as described in any one of claims 1 to 20, it is characterised in that：

The flow path of at least described flow passage region in the plate fin, with the 1st fluid flowing in the flow path The orthogonal section in direction is circular shape.

23. the heat exchanger as described in any one of claim 1 to 22, it is characterised in that：

The flow path of at least described flow passage region in the plate fin, the only stacking direction in the plate fin laminated body A side side be protrudedly formed.

24. the heat exchanger as described in any one of claim 1 to 22, it is characterised in that：

The flow path of at least described flow passage region in the plate fin, stacking direction in the plate fin laminated body Two sides are protrudedly formed.