CN201992914U - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
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- CN201992914U CN201992914U CN2010206528935U CN201020652893U CN201992914U CN 201992914 U CN201992914 U CN 201992914U CN 2010206528935 U CN2010206528935 U CN 2010206528935U CN 201020652893 U CN201020652893 U CN 201020652893U CN 201992914 U CN201992914 U CN 201992914U
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Abstract
The utility model provides a heat exchanger for inhibiting undesirable brazing between first and second plates of a refrigerant inflowing and outflowing component and a tabling projection of a connecting device for the heat exchanger. An intermediate plate is arranged between the first and second plates of the refrigerant inflowing and outflowing component, Wherein a cut formed on the intermediate plate is used for communicating with a convex part for inflowing path of the first and second plates, and also for communicating with a further convex part for outflowing path of the first and second plates, such that the inflowing path and the outflowing path of the refrigerant inflowing and outflowing component intersect with each other when observing from the laminated direction of all the plates. The edges of two sides of the cut forming inlet side end of the inflowing path and outlet side end of the outflowing path of the intermediate plate are allowed into a gap between a fillet of the first and second plates and the tabling projection and close to outer peripheral face of the tabling projection.
Description
Technical field
The utility model relates to and is suitable as the heat exchanger that the evaporimeter that is equipped on the vehicle air conditioning of the kind of refrigeration cycle of motor vehicle for example uses.
Background technology
As the evaporimeter of vehicle air conditioning, known have a following evaporimeter: possess: at 1st catch box (head tank) and 2nd catch box of above-below direction across the compartment of terrain configuration; Between two catch boxs along the length direction of two catch boxs across the compartment of terrain configuration and also up and down two ends be connected in a plurality of heat exchanger tubes of two parts liquid case; Be configured in adjacent heat exchanger tube fin each other; Be brazed in the refrigerant inflow and outflow parts of an end of the 1st catch box; With the auxiliary gomphosis part of using jockey as the heat exchanger that is brazed in refrigerant inflow and outflow parts, be provided with refrigerant inlet liquid collecting portion and refrigerant exit liquid collecting portion at the upside catch box in the mode of end of arranging along direction of ventilation and the one end is positioned at the soldering refrigerant inflow and outflow component side of two parts liquid case, refrigerant inlet liquid collecting portion and and the end of the soldering refrigerant inflow and outflow component side of refrigerant exit liquid collecting portion be formed with refrigerant inlet and refrigerant exit, refrigerant inlet liquid collecting portion and refrigerant exit liquid collecting portion are by comprising heat exchanger tube and being arranged on the refrigerant circulating path connection of either party middle liquid collecting portion at least in the two parts liquid case, refrigerant inflow and outflow parts comprise the 1st stacked plate and the 2nd plate, between two plates of refrigerant inflow and outflow parts, by being bloated with outwards being the semicircle tubular, the 1st plate and the 2nd plate be formed with inflow path and outflow pathway, this flows into that path one end is communicated with the refrigerant inlet of refrigerant inlet liquid collecting portion and the other end is a inlet at 1 side edge part opening of refrigerant inflow and outflow parts, this outflow pathway one end be communicated with the refrigerant exit of refrigerant exit liquid collecting portion and the other end at the inflow passage opening of refrigerant inflow and outflow parts the outlet of side edge part opening, flowing into the entrance side end of path and the outlet side end of outflow pathway is made into cylindric, auxiliary gomphosis part has the coolant path of both ends open, and in the entrance side end that is provided with the inflow path that embeds refrigerant inflow and outflow parts around the end opening of each coolant path and the fitting projection cylindraceous in the outlet side end of outflow pathway, in the entrance side end of the inflow path of the fitting projection embedding refrigerant inflow and outflow parts of auxiliary gomphosis part and in the end of outflow pathway, by the 1st plate and the 2nd plate of soldering at refrigerant inflow and outflow parts.
The 1st plate and the 2nd plate of the refrigerant inflow and outflow parts of the evaporimeter of record use 2 moulds that sheet of metallic material is applied extrusion process manufacturing usually, but in this case, might produce following problem in the patent documentation 1.Promptly, making with above-mentioned method under the situation of the 1st plate and the 2nd plate, as shown in Figure 7, can not avoid the formation of the 1st and the 2nd plate 60,61 flow into path 62 bellying 63,64 the entrance side end inner peripheral surface and form outflow pathway (omitting diagram) bellying (omitting diagram) the outlet side end inner peripheral surface, produce fillet 63a, 64a with the connecting portion of the inner face of the non-bellying of the 1st and the 2nd plate 60,61.Therefore, at combination the 1st and the 2nd plate 60,61 and will assist the fitting projection 65 of gomphosis part to insert in the entrance side end of inflow path 62 of the 1st and the 2nd plate 60,61 and in the outlet side end of outflow pathway the time, between the outer peripheral face of the fitting projection 65 of the 1st and the 2nd plate 60,61 and auxiliary gomphosis part, produce bigger gap 66, this gap 66 can not be by the complete landfill of brazing material (omitting diagram), and it is bad soldering to take place.
Patent documentation 1: TOHKEMY 2003-307399 communique
The utility model content
The purpose of this utility model is: address the above problem, a kind of the 1st plate and the 2nd plate and heat exchanger bad heat exchanger of generation soldering between the fitting projection of jockey that is suppressed at refrigerant inflow and outflow parts is provided.
The utility model comprises following mode in order to reach above-mentioned purpose.
1) a kind of heat exchanger, it possesses refrigerant inlet liquid collecting portion and refrigerant exit liquid collecting portion, refrigerant circulating path, refrigerant inflow and outflow parts and heat exchanger jockey, the ground configuration is arranged along direction of ventilation by this refrigerant inlet liquid collecting portion and refrigerant exit liquid collecting portion, this refrigerant circulating path is communicated with two liquid collecting portions, these refrigerant inflow and outflow parts have the 1st stacked plate and the 2nd plate, and cross over and be engaged in refrigerant inlet liquid collecting portion and refrigerant exit liquid collecting portion, this heat exchanger has the coolant path of both ends open with jockey, and is engaged in refrigerant inflow and outflow parts; End in refrigerant inlet liquid collecting portion is formed with the refrigerant inlet, and be formed with refrigerant exit with the refrigerant same end that enters the mouth in refrigerant exit liquid collecting portion, flow into refrigerant in the refrigerant inlet liquid collecting portion from refrigerant inlet, turn back to cold coal export liquid collecting portion by the refrigerant circulating path, be sent from refrigerant exit; Between two plates of refrigerant inflow and outflow parts, by outwards being bloated, the 1st plate and the 2nd plate be formed with inflow path and outflow pathway, this flows into that path one end is communicated with the refrigerant inlet of refrigerant inlet liquid collecting portion and the other end is a inlet at 1 side edge part opening of refrigerant inflow and outflow parts, this outflow pathway one end be communicated with the refrigerant exit of refrigerant exit liquid collecting portion and the other end at the inflow passage opening of refrigerant inflow and outflow parts the outlet of side edge part opening, flow into the entrance side end of path and the outlet side end of outflow pathway and be made into tubular; Heat exchanger with an end opening of each coolant path of jockey around, be provided with in the entrance side end of the inflow path that embeds refrigerant inflow and outflow parts and the fitting projection of the tubular that the outlet side of outflow pathway is interior, heat exchanger is with in the entrance side end of the inflow path of the fitting projection embedding refrigerant inflow and outflow parts of jockey and in the end of outflow pathway, by soldering at refrigerant inflow and outflow parts, this heat exchanger is characterised in that
At the inflow path of the 1st plate of refrigerant inflow and outflow parts inner peripheral surface with the entrance side end of outside bellying, outflow pathway is with the connecting portion between the inner face of the non-bellying of the both sides of the inner peripheral surface of the outlet side end of outside bellying and these outside bellyings, there is fillet respectively, and at the inflow path of the 2nd plate inner peripheral surface with the entrance side end of outside bellying, outflow pathway is with the connecting portion between the inner face of the non-bellying of the both sides of the inner peripheral surface of the outlet side end of outside bellying and these outside bellyings, there is fillet respectively, is formed with the gap between the above-mentioned fillet of the 1st plate and the 2nd plate and the fitting projection of heat exchanger with jockey;
Be embedded with the both sides of heat exchanger at the inflow path of refrigerant inflow and outflow parts and outflow pathway with the part of the fitting projection of jockey, between the 1st plate and the 2nd plate, dispose and improve the 1st plate, the soldering accessory plate of the braze ability of the 2nd plate and fitting projection, the heat exchanger of the soldering accessory plate edge portion of the fitting projection side of jockey, enter the above-mentioned fillet of the 1st plate and the 2nd plate and heat exchanger with in the above-mentioned gap between the fitting projection of jockey and the outer peripheral face of close fitting projection, the 1st plate of refrigerant inflow and outflow parts and the 2nd plate, the fitting projection of heat exchanger usefulness jockey and soldering accessory plate are by soldering.
2) according to above-mentioned 1) described heat exchanger, it is characterized in that the heat exchanger of soldering accessory plate is below the 0.5mm with the distance between the outer peripheral face of the edge portion of the fitting projection side of jockey and this fitting projection.
3) according to above-mentioned 1) or 2) described heat exchanger, it is characterized in that the heat exchanger of soldering accessory plate is out of shape in the mode of expanding to the thickness direction of soldering accessory plate with the edge portion of the fitting projection side of jockey.
4) according to above-mentioned 1)～3) in each described heat exchanger, it is characterized in that the gap between the fitting projection of the 1st plate of refrigerant inflow and outflow parts and the above-mentioned fillet of the 2nd plate, heat exchanger usefulness jockey and the edge portion of soldering accessory plate is by the brazing material landfill.
5) according to above-mentioned 1)～4) in each described heat exchanger, it is characterized in that, between the 1st plate of refrigerant inflow and outflow parts and the 2nd plate, be situated between and be equipped with intermediate plate, and this intermediate plate by soldering at the 1st plate and the 2nd plate, be formed with the inflow path that makes the 1st plate and the 2nd plate at intermediate plate each other and the outflow pathway of the 1st and the 2nd the plate otch and the through hole that communicate with each other with outside bellying with outside bellying, when feasible stacked direction from all plates is observed, the inflow path of refrigerant inflow and outflow parts and outflow pathway intersect, intermediate plate double as soldering accessory plate, the both side edges portion of the otch of the end of the end of the entrance side of the formation inflow path of intermediate plate and the outlet side of outflow pathway, enter the above-mentioned fillet of the 1st plate of refrigerant inflow and outflow parts and the 2nd plate and heat exchanger with in the above-mentioned gap between the fitting projection of jockey, near the outer peripheral face of heat exchanger with the fitting projection of jockey.
According to above-mentioned 1)～5) heat exchanger, at the inflow path of refrigerant inflow and outflow parts and the embedding of outflow pathway the both sides of heat exchanger with the part of the fitting projection of jockey are arranged, between the 1st plate and the 2nd plate, dispose and improve the 1st plate, the soldering accessory plate of the braze ability of the 2nd plate and fitting projection, the heat exchanger of soldering accessory plate enters the 1st plate with the edge portion of the fitting projection side of jockey, the above-mentioned fillet of the 2nd plate and heat exchanger are with in the above-mentioned gap between the fitting projection of jockey, outer peripheral face near fitting projection, the 1st plate of refrigerant inflow and outflow parts, the 2nd plate, the fitting projection of heat exchanger usefulness jockey and soldering accessory plate are by soldering, so the 1st plate of refrigerant inflow and outflow parts, the above-mentioned fillet of the 2nd plate and heat exchanger be with the effect of the above-mentioned gap between the fitting projection of jockey by the soldering accessory plate, compares with the heat exchanger of putting down in writing in the patent documentation 1 to diminish.Therefore, become easily, can suppress the bad generation of soldering by this gap of brazing material landfill.
According to above-mentioned 2) and 3) heat exchanger, in the time of in the entrance side end of the inflow path that heat exchanger is inserted the 1st plate and the 2nd plate with the fitting projection of jockey and in the outlet side end of outflow pathway, the effect of edge portion that can be by accessory plate further reduces the gap that produces between the above-mentioned fillet of the 1st plate, the 2nd plate at refrigerant inflow and outflow parts and the fitting projection of heat exchanger with jockey.Therefore, becoming by this gap of brazing material landfill is more prone to, and can suppress the bad generation of soldering effectively.
Description of drawings
Fig. 1 is that a part of abridged stereogram that the integral body according to the evaporimeter of heat exchanger of the present utility model constitutes has been used in expression.
Fig. 2 observes being seen a part of abridged vertical sectional view what the part of the 1st plate of the refrigerant inflow and outflow parts of the evaporimeter of Fig. 1 was cut open from the right side.
Fig. 3 is the A-A line amplification view of Fig. 2.
Fig. 4 is the refrigerant inflow and outflow parts of evaporimeter of presentation graphs 1 and the exploded perspective view of expansion valve installing component.
Fig. 5 is the partial enlarged drawing of Fig. 3.
Fig. 6 is the figure that is equivalent to Fig. 5 of variation of the intermediate plate of expression refrigerant inflow and outflow parts.
Fig. 7 is the figure that is equivalent to Fig. 5 of the problem points of the evaporimeter of record in the expression patent documentation 1.
Description of reference numerals:
1: evaporimeter (heat exchanger); 5: refrigerant inflow and outflow parts; 6: expansion valve installing component (heat exchanger jockey); 6a, 6b: coolant path; 7: refrigerant inlet liquid collecting portion; 8: refrigerant exit liquid collecting portion; 9: the refrigerant inlet; 11: refrigerant exit; 21: the 1 plates; 22: the 2 plates; 23: intermediate plate (soldering accessory plate); 24: flow into path; 24a: inlet; 25: outflow pathway; 25a: outlet; 28,32,33: flow into the outside bellying of path; 29,31,34: the outside bellying of outflow pathway; 36,37,39,41: through hole; 35,38: otch; 44,45: fitting projection; 53,54: the edge portion of otch; 53a, 54a: variant part.
The specific embodiment
Below, with reference to accompanying drawing, embodiment of the present utility model is described.In institute's drawings attached,, omit repeat specification to a part and the identical Reference numeral of same thing mark.
The embodiment of the following stated is to be the embodiment of evaporimeter of the vehicle air conditioning of refrigerant in using fluorine according to heat exchanger applications of the present utility model, and the heat exchanger jockey is the expansion valve installing component.
In addition, in the following description, " aluminium " such term also comprises aluminium alloy except fine aluminium.In addition, in the following description, will be in the downstream of the adjacent heat exchanger tube ventilation gap flow air each other (direction shown in the arrow X among Fig. 1, the right side of Fig. 2) be called before, after being called with its opposition side, will be when the place ahead be observed at the rear about, about (Fig. 1 about, about) be called about, about.
Fig. 1 represents that the integral body of evaporimeter constitutes, and Fig. 2～Fig. 5 represents the formation of wanting portion of evaporimeter.
In Fig. 1 and Fig. 2, being used to use fluorine is that the evaporimeter 1 of the vehicle air conditioning of refrigerant possesses: at above-below direction across aluminum the 1st catch box 2 and aluminum the 2nd catch box 3 of compartment of terrain configuration, the aluminum expansion valve installing component 6 that is arranged on the heat exchange core 4 between two catch boxs 2,3, the aluminum refrigerant inflow and outflow parts 5 that engage with the right part of the 1st catch box 2 and engages with refrigerant inflow and outflow parts 5.
The 1st catch box 2 possesses refrigerant inlet liquid collecting portion 7 and refrigerant exit liquid collecting portion 8, this refrigerant inlet liquid collecting portion 7 is positioned at front side (direction of ventilation downstream) and extends along left and right directions, this refrigerant exit liquid collecting portion 8 is positioned at rear side (direction of ventilation upstream side) and extends along left and right directions, and integrated with refrigerant inlet liquid collecting portion 7.Right part in refrigerant inlet liquid collecting portion 7 is provided with refrigerant inlet 9, is provided with refrigerant exit 11 in the right part of refrigerant exit liquid collecting portion 8.
As Fig. 2～shown in Figure 5, refrigerant inflow and outflow parts 5 be by stacked and soldering be positioned at the vertical configuration in left side (the 1st catch box 2 sides) aluminum the 1st plate 21, forms the refrigerant of crossing over and be engaged in the 1st catch box 2 right part of liquid collecting portion 7 and refrigerant exit liquid collecting portion 8 that enters the mouth at aluminium soldering thin plate system the 2nd plate 22 of the vertical configuration on right side and the aluminum intermediate plate 23 of the vertical configuration between the 1st plate 21 and the 2nd plate 22.Be provided with inflow path 24 and outflow pathway 25 at refrigerant inflow and outflow parts 5, this flow into path 24 one ends and the refrigerant of refrigerant inlet liquid collecting portion 7 enter the mouth 9 be communicated with and the other end at the posterior lateral margin opening of refrigerant inflow and outflow parts 5, these outflow pathway 25 one ends be communicated with the refrigerant exit 11 of refrigerant exit liquid collecting portion 8 and the other end at the posterior lateral margin of refrigerant inflow and outflow parts 5 side edge part of inflow path 24 openings of refrigerant inflow and outflow parts 5 () opening.The opening towards the posterior lateral margin of refrigerant inflow and outflow parts 5 that flows into path 24 is called inlet 24a, the opening towards the posterior lateral margin of refrigerant inflow and outflow parts 5 of outflow pathway 25 is called outlet 25a.
The 1st plate 21 at refrigerant inflow and outflow parts 5 is formed with the 1st connected entrance 26, the 2nd connected entrance 27, flow into path with the 1st outside bellying 28, outflow pathway with the 1st outside bellying 29 and outflow pathway with the 2nd outside bellying 31, the 1st connected entrance 26 is communicated with the refrigerant inlet 9 of refrigerant inlet liquid collecting portion 7, the 2nd connected entrance 27 is communicated with the refrigerant exit 11 of refrigerant exit liquid collecting portion 8, this flows into path with the 1st outside bellying 28, its cross section is semicircle, the one end is positioned at from the 1st and the 2nd connected entrance 26,27 positions of leaving and the other end are at the posterior lateral margin opening of the 1st plate 21, this outflow pathway is with the 1st outside bellying 29, its cross section is semicircle, the one end is positioned at from the 1st and the 2nd connected entrance 26,27 positions of leaving and the other end lean on upper opening at the ratio inflow path of the posterior lateral margin of the 1st plate 21 with the another port of the 1st outside bellying 28, this outflow pathway is a vertical configuration with the 2nd outside bellying 31, its cross section is semicircle, and its lower end part is in being positioned at than flowing into path leans on the below slightly with the other end opening of the 1st outside bellying 28 height and position by position and the upper end that separates slightly from the 2nd connected entrance 27.
Be formed with at the 2nd plate 22 of refrigerant inflow and outflow parts 5 and flow into path with the 2nd outside bellying 32, flow into path with the 3rd outside bellying 33 and outflow pathway with the 3rd outside bellying 34, this flows into path with the 2nd outside bellying 32, its cross section is semicircle, the one end is positioned at from the 1st connected entrance of the 1st plate 21 and the 2nd connected entrance 26,27 positions of leaving and the other end with the inflow path of the 1st plate 21 with the other end sustained height position of the 1st outside bellying 28 posterior lateral margin opening at the 2nd plate 22, this flows into path with the 3rd outside bellying 33, its cross section is semicircle, the one end is positioned at the position corresponding with the 1st connected entrance 26 of the 1st plate 21 and the other end and is positioned at from the 2nd connected entrance 27 of the 1st plate 21 and flows into the position that path leaves with the 2nd outside bellying 32, this outflow pathway is with the 3rd outside bellying 34, its cross section is semicircle, the one end be positioned at the position corresponding and the other end with the 2nd connected entrance 27 of the 1st plate 21 with the outflow pathway of the 1st plate 21 with the posterior lateral margin opening of the 1st outside bellying 29 same positions at the 2nd plate 22.
The 1st plate 21 of refrigerant inflow and outflow parts 5 and the 2nd plate 22 are by using mould to apply the plate that extrusion process forms to the aluminium soldering thin plate that has the brazing material layer on the two sides.
The inflow path of the 1st plate 21 comprises vertical component effect 28a and horizontal part 28b with the 1st outside bellying 28, this vertical component effect 28 extends upward from the position of top slightly of the 1st connected entrance 26, and this horizontal part 28b links to each other with the upper end of vertical component effect 28b by fillet shape portion and rearward extends and reach the posterior lateral margin of the 1st plate 21.The outflow pathway of the 1st plate 21 is with the 1st outside bellying 29, flow into path with the horizontal part 28b of the 1st outside bellying 28 above, from the ratio of the posterior lateral margin of the 1st plate 21 flow into path with the 1st outside bellying 28 by the position of top horizontal-extending forwards, and the part of forward end is preceding downwards oblique.Outflow pathway is positioned at the central portion of inflow path with the fore-and-aft direction of the horizontal part 28b of the 1st outside bellying 28 with the leading section of the 1st outside bellying 29.The outflow pathway of the 1st plate 21 is positioned at than flowing into path leans on the below slightly with the horizontal part 28b of the 1st outside bellying 28 height and position with the upper end of the 2nd outside bellying 31.
The inflow path of the 2nd plate 22 is with the 2nd outside bellying 32, with the inflow path of the 1st plate 21 horizontal part 28b sustained height position with the 1st outside bellying 28, from the posterior lateral margin of the 2nd plate 22 horizontal-extending forwards, its leading section position than outflow pathway with the 3rd outside bellying 34 slightly by the rear.The inflow path of the 2nd plate 22 is with the 3rd outside bellying 33, is the vertical configuration that extends upward from the position corresponding with the 1st connected entrance 26 of the 1st plate 21.Flow into path and lean on the top than the inflow path of the 1st plate 21 with the lower end of the vertical component effect 28a of the 1st outside bellying 28 with the position, upper end of the 3rd outside bellying 33.The outflow pathway of the 2nd plate 22 comprises vertical component effect 34a and horizontal part 34b with the 3rd outside bellying 34, this vertical component effect 34a extends upward from the position corresponding with the 2nd connected entrance 27 of the 1st plate 21 and reaches than flowing into path and leans on the position of top with the 2nd outside bellying 32, the posterior lateral margin that this horizontal part 34b and the upper end of vertical component effect 34a link to each other and rearward extend and reach the 1st plate 21.In order to increase flow path area, the cephalolateral margin portion on the top of vertical component effect 34a expands forwardly.The last side edge part of the part of the forward end of horizontal part 34b, with before the outflow pathway of the 1st plate 21 cooperates downwards with the last side edge part of the part of the forward end of the 1st outside bellying 29 tiltedly.
The shape of the 1st otch 35 of intermediate plate 23 is with consistent with the 2nd outside bellying 32 being seen shapes from right side observation inflow path.The 1st through hole 36 of intermediate plate 23 is positioned at observes the position that overlaps with the upper end of the 3rd outside bellying 33 with the inflow path of the bottom of the vertical component effect 28a of the 1st outside bellying 28 and the 2nd plate 22 with the inflow path of the 1st plate 21 from the right side.The 2nd through hole 37 of intermediate plate 23 is positioned at the position corresponding with the 1st connected entrance 26 of the 1st plate 21.And the 1st through hole 36 and the part between the 2nd through hole 37 of intermediate plate 23 are cut, are communicated with two through holes 36,37 by this excision portion 42.The shape that has made up the 1st through hole the 36, the 2nd through hole 37 and excision portion 42 is consistent with the 3rd outside bellying 33 being seen shapes with the inflow path of observing the 2nd plate 22 from the right side.The shape of the 2nd otch 38 of intermediate plate 23 is with consistent with the 1st outside bellying 29 being seen shapes from right side observation outflow pathway.The 3rd through hole 39 of intermediate plate 23 is positioned at the position corresponding with the 2nd connected entrance 27 of the 1st plate 21.The 4th through hole 41 of intermediate plate 23 is positioned at observes the position that overlaps with the 3rd outside bellying 34 with the outflow pathway of the 2nd outside bellying 31 and the 2nd plate 22 with the outflow pathway of the 1st plate 21 from right side side.And the 3rd through hole 39 and the part between the 4th through hole 41 of intermediate plate 23 are cut, are communicated with two through holes 39,41 by this excision portion 43.
Therefore, the 1st connected entrance 26 by the 1st plate 21 and flow into path with the 1st outside bellying 28, the inflow path of the 2nd plate 22 is with the 2nd outside bellying 32 and flow into path with the 3rd outside bellying 33, the 1st otch 35 of intermediate plate 23, the 1st through hole 36, the 2nd through hole 37 and excision portion 42 form at refrigerant inflow and outflow parts 5 and flow into path 24, the 2nd connected entrance 27 by the 1st plate 21, outflow pathway with the 1st outside bellying 29 and outflow pathway with the 2nd outside bellying 31, the outflow pathway of the 2nd plate 22 is with the 3rd outside bellying 34, the 2nd otch 38 of intermediate plate 23, the 3rd through hole 39, the 4th through hole 41 and excision portion 43 form outflow pathway 25 at refrigerant inflow and outflow parts 5, flowing into path 24 and outflow pathway 25 its inside is not communicated with, and from all plates 21,22,23 stacked directions are during promptly from any unilateral observation in the left and right sides, and both intersect.The outlet 25a side end of the inlet 24a side end of the inflow path 24 of refrigerant inflow and outflow parts 5 and outflow pathway 25 is cylindric.
At expansion valve installing component 6, along the high pressure coolant path 6a and the low pressure refrigerant path 6b of fore-and-aft direction extension and rear and front end opening, the mode that is positioned at the below with the former forms with being arranged above and below.Around the front opening (openings of refrigerant inflow and outflow parts 5 sides) of each coolant path 6a, 6b of expansion valve installing component 6, form inflow path 24 and the fitting projection cylindraceous in the outflow pathway 25 44,45 that embeds refrigerant inflow and outflow parts 5.And, in the downside fitting projection embed to flow into the inlet 24a side end of path 24 and the upside fitting projection embed under the state in the outlet 25a side end of outflow pathway 25, two fitting projection 44,45 by soldering at refrigerant inflow and outflow parts 5.
In above-mentioned refrigerant inflow and outflow parts 5, the 1st plate 21 and the 2nd plate 22 are by the aluminium soldering thin plate that has the brazing material layer on the two sides is imposed the plate that extrusion process forms, therefore the inflow path of the 1st plate 21 produces fillet 46 with the inner peripheral surface of the inlet 24a side end of the 1st outside bellying 28 and outflow pathway respectively with the connecting portion of the inner face (right flank) of the non-bellying of the inner peripheral surface of the outlet 25a side end of the 1st outside bellying 29 and the 1st plate 21,47, and the inflow path of the 2nd plate 22 produces fillet 48 with the inner peripheral surface of the inlet 24a side end of the 2nd outside bellying 32 and outflow pathway respectively with the connecting portion of the inner face (left surface) of the non-bellying of the inner peripheral surface of the outlet 25a side end of the 3rd outside bellying 34 and the 2nd plate 22,49.Therefore, be formed with gap 51 between fitting projection 44 outer peripheral faces of the fillet 46 of the 1st plate 21 of refrigerant inflow and outflow parts 5 and the fillet 48 of the 2nd plate 22 and expansion valve installing component 6, and be formed with gap 52 between fitting projection 45 outer peripheral faces of the fillet 49 of the fillet 47 of the 1st plate 21 and the 2nd plate 22 and expansion valve installing component 6.In addition, the thickness of the 1st plate and the 2nd plate 21,22 is being for example under the situation about 0.8mm, and the radius of curvature of fillet 46,47,48,49 is 1.5～2.5mm.
At this, the portion of both side edges up and down 53 (the edge portions of fitting projection 44 sides) of the 1st otch 35 of intermediate plate 23 (forming the otch of the end of the inlet 24a side that flows into path 24), enter in the gap 51 between fitting projection 44 outer peripheral faces of the fillet 46,48 of the 1st plate and the 2nd plate 21,22 and expansion valve installing component 6, near the outer peripheral face of fitting projection 44.In addition, the portion of both side edges up and down 54 (the edge portions of fitting projection 45 sides) of the 2nd otch 38 of intermediate plate 23 (otch of the end of the outlet 25a side of formation outflow pathway 25), enter in the gap 52 between fitting projection 45 outer peripheral faces of the fillet 47,49 of the 1st plate and the 2nd plate 21,22 and expansion valve installing component 6, near the outer peripheral face of fitting projection 45.Distance between the outer peripheral face of the portion of both side edges up and down 53 of the 1st otch 35 of intermediate plate 23 and the portion 54 of both side edges up and down of the 2nd otch 38 and fitting projection 44,45 preferably is respectively below the 0.5mm.And the portion of both side edges up and down 53,54 by the 1st and the 2nd otch 35,38 enters gap 51,52 diminishes gap 51,52, its result, and gap 51,52 integral body can suppress the bad generation of soldering by brazing material (omitting diagram) landfill.Therefore, intermediate plate 23 double as improve the soldering accessory plate of the braze ability of the 1st and the 2nd plate 21,22 and fitting projection 44,45.
Evaporimeter 1 constitutes with compressor with as the condenser of refrigerant cooler that to use fluorine be the kind of refrigeration cycle of refrigerant, carries at vehicle motor vehicle for example as vehicle air conditioning.At this moment, expansion valve (omit diagram) is positioned at the mode that top and high pressure refrigerant supply passageway be positioned at the below with the low pressure refrigerant drain passageway and is installed in expansion valve installing component 6.When air-cooling system turns round, 2 refrigerants mutually of the gas-liquid mixed phase of the high pressure refrigerant supply passageway by compressor, condenser and expansion valve, high pressure coolant path 6a by expansion valve installing component 6 enters from the inlet 24a of the posterior lateral margin of refrigerant inflow and outflow parts 5 and flows in the path 24, in flowing into path 24, flow, enter in the refrigerant inlet liquid collecting portion 7 from the refrigerant inlet 9 of the 1st connected entrance 26 by the 1st catch box 2.Enter the refrigerant in the refrigerant inlet liquid collecting portion 7, successively heat exchanger tube the 16, the 2nd catch box 3 of front side heat exchange nest of tubes 17 the 1st in the middle of in the middle of the intercommunicating pore the 15, the 2nd of liquid collecting portion 12, partition member 14 heat exchanger tube 16 and the refrigerant exit liquid collecting portion 8 of liquid collecting portion 13, rear side heat exchange nest of tubes 17 flow, the refrigerant exit 11 by refrigerant exit liquid collecting portion 8 enters in the outflow pathway 25 of refrigerant inflow and outflow parts 5 from the 2nd connected entrance 27.Enter the refrigerant in the outflow pathway 25, in outflow pathway 25, flow and flow out from the outlet 25a of the posterior lateral margin of refrigerant inflow and outflow parts 5, low pressure refrigerant path 6b by expansion valve installing component 6 enters in the low pressure refrigerant drain passageway of expansion valve, is sent to compressor by the low pressure refrigerant drain passageway.
And, refrigerant in heat exchanger tube 16, flow during, and carry out heat exchange by the air (with reference to the arrow X of Fig. 1) of the ventilation gap between the adjacent heat exchanger tube 16, refrigerant becomes the gas phase outflow.
In the above-described embodiment, the outlet 25a side end of the inlet 24a side end of the inflow path 24 of refrigerant inflow and outflow parts 5 and outflow pathway 25 is cylindric, and the fitting projection 44,45 of expansion valve installing component 6 is cylindric, but be not limited thereto, the shape of cross section of the fitting projection 44,45 of the inlet 24a side end of the inflow path 24 of refrigerant inflow and outflow parts 5, the outlet 25a side end of outflow pathway 25 and expansion valve installing component 6 can suitably change to elliptical shape, Long Circle, polygon etc.
Fig. 6 represents the variation of intermediate plate.
In Fig. 6, the portion of both side edges up and down 53,54 of the 1st and the 2nd otch 35,38 of intermediate plate 23 is out of shape in the mode of expanding at the thickness direction of intermediate plate 23 respectively.Represent variant part with 53a, 54a.
In this case, gap 51,52 between fitting projection 44,45 outer peripheral faces of the fillet 46,48,47,49 of the 1st and the 2nd plate 21,22 of refrigerant inflow and outflow parts 5 and expansion valve installing component 6 further diminishes, by the further landfill gap 51,52 reliably of brazing material (omit diagram), can suppress the bad generation of soldering effectively.
In addition, according to heat exchanger of the present utility model, also can be applicable to the so-called stack Type evaporator of following form, the so-called stack Type evaporator of described form possesses: dispose refrigerant inlet liquid collecting portion and the refrigerant exit liquid collecting portion along fore-and-aft direction arrangement ground configuration that 1 pair of discoid plate is relative and a plurality of flat ducted body that the soldering circumference forms each other forms that make side by side; With the refrigerant turning part of two liquid collecting portions across the compartment of terrain configuration; A plurality of refrigerant advance side refrigerant throughput that refrigerant inlet liquid collecting portion and refrigerant turning part are communicated with; Return side refrigerant throughput with a plurality of refrigerants that refrigerant exit liquid collecting portion and refrigerant turning part are communicated with, end in refrigerant inlet liquid collecting portion is formed with the refrigerant inlet, and be formed with refrigerant exit with the refrigerant same end that enters the mouth in refrigerant exit liquid collecting portion, flow into refrigerant in the refrigerant inlet liquid collecting portion from refrigerant inlet, arrive the refrigerant turning part by refrigerant advance side refrigerant throughput, at this, change flow direction, return side refrigerant throughput by refrigerant and return refrigerant exit liquid collecting portion, be sent from refrigerant exit.
Utilize possibility on the industry
According to heat exchanger of the present utility model, be suitable for consisting of the evaporimeter of the kind of refrigeration cycle of vehicle air conditioning.
Claims (9)
1. heat exchanger, it possesses refrigerant inlet liquid collecting portion and refrigerant exit liquid collecting portion, refrigerant circulating path, refrigerant inflow and outflow parts and heat exchanger jockey, the ground configuration is arranged along direction of ventilation by this refrigerant inlet liquid collecting portion and refrigerant exit liquid collecting portion, this refrigerant circulating path is communicated with two liquid collecting portions, these refrigerant inflow and outflow parts have the 1st stacked plate and the 2nd plate, and cross over and be engaged in refrigerant inlet liquid collecting portion and refrigerant exit liquid collecting portion, this heat exchanger has the coolant path of both ends open with jockey, and is engaged in refrigerant inflow and outflow parts; End in refrigerant inlet liquid collecting portion is formed with the refrigerant inlet, and be formed with refrigerant exit with the refrigerant same end that enters the mouth in refrigerant exit liquid collecting portion, flow into refrigerant in the refrigerant inlet liquid collecting portion from refrigerant inlet, turn back to refrigerant exit liquid collecting portion by the refrigerant circulating path, be sent from refrigerant exit; Between two plates of refrigerant inflow and outflow parts, by outwards being bloated, the 1st plate and the 2nd plate be formed with inflow path and outflow pathway, this flows into that path one end is communicated with the refrigerant inlet of refrigerant inlet liquid collecting portion and the other end is a inlet at 1 side edge part opening of refrigerant inflow and outflow parts, this outflow pathway one end be communicated with the refrigerant exit of refrigerant exit liquid collecting portion and the other end at the inflow passage opening of refrigerant inflow and outflow parts the outlet of side edge part opening, flow into the entrance side end of path and the outlet side end of outflow pathway and be tubular; Heat exchanger with an end opening of each coolant path of jockey around, be provided with in the entrance side end of the inflow path that embeds refrigerant inflow and outflow parts and the fitting projection of the tubular that the outlet side of outflow pathway is interior, heat exchanger is with in the entrance side end of the inflow path of the fitting projection embedding refrigerant inflow and outflow parts of jockey and in the end of outflow pathway, by soldering at refrigerant inflow and outflow parts, this heat exchanger is characterised in that
At the inflow path of the 1st plate of refrigerant inflow and outflow parts inner peripheral surface with the entrance side end of outside bellying, outflow pathway is with the connecting portion between the inner face of the non-bellying of the both sides of the inner peripheral surface of the outlet side end of outside bellying and these outside bellyings, there is fillet respectively, and at the inflow path of the 2nd plate inner peripheral surface with the entrance side end of outside bellying, outflow pathway is with the connecting portion between the inner face of the non-bellying of the both sides of the inner peripheral surface of the outlet side end of outside bellying and these outside bellyings, there is fillet respectively, between the above-mentioned fillet of the 1st plate and the 2nd plate and the fitting projection of heat exchanger, is formed with the gap with jockey;
Be embedded with the both sides of heat exchanger at the inflow path of refrigerant inflow and outflow parts and outflow pathway with the part of the fitting projection of jockey, between the 1st plate and the 2nd plate, dispose and improve the 1st plate, the soldering accessory plate of the braze ability of the 2nd plate and fitting projection, the heat exchanger of the soldering accessory plate edge portion of the fitting projection side of jockey, enter the above-mentioned fillet of the 1st plate and the 2nd plate and heat exchanger with in the above-mentioned gap between the fitting projection of jockey and the outer peripheral face of close fitting projection, the 1st plate of refrigerant inflow and outflow parts and the 2nd plate, the fitting projection of heat exchanger usefulness jockey and soldering accessory plate are by soldering.
2. heat exchanger according to claim 1 is characterized in that,
The heat exchanger of soldering accessory plate is below the 0.5mm with the distance between the outer peripheral face of the edge portion of the fitting projection side of jockey and this fitting projection.
3. heat exchanger according to claim 1 and 2 is characterized in that,
The heat exchanger of soldering accessory plate is out of shape in the mode of expanding to the thickness direction of soldering accessory plate with the edge portion of the fitting projection side of jockey.
4. heat exchanger according to claim 1 and 2 is characterized in that,
Gap between the fitting projection of the 1st plate of refrigerant inflow and outflow parts and the described fillet of the 2nd plate, heat exchanger usefulness jockey and the edge portion of soldering accessory plate is by the brazing material landfill.
5. heat exchanger according to claim 3 is characterized in that,
Gap between the fitting projection of the 1st plate of refrigerant inflow and outflow parts and the described fillet of the 2nd plate, heat exchanger usefulness jockey and the edge portion of soldering accessory plate is by the brazing material landfill.
6. heat exchanger according to claim 1 and 2 is characterized in that,
Between the 1st plate of refrigerant inflow and outflow parts and the 2nd plate, be situated between and be equipped with intermediate plate, and this intermediate plate by soldering at the 1st plate and the 2nd plate, be formed with the inflow path that makes the 1st plate and the 2nd plate at intermediate plate each other and the outflow pathway of the 1st and the 2nd the plate otch and the through hole that communicate with each other with outside bellying with outside bellying, when feasible stacked direction from all plates is observed, the inflow path of refrigerant inflow and outflow parts and outflow pathway intersect, intermediate plate double as soldering accessory plate, the formation of intermediate plate flows into the both side edges portion of otch of end of the outlet side of the end of entrance side of path and outflow pathway, and the above-mentioned fillet that enters the 1st plate of refrigerant inflow and outflow parts and the 2nd plate and heat exchanger are with in the above-mentioned gap between the fitting projection of jockey and the close heat exchanger outer peripheral face of the fitting projection of jockey.
7. heat exchanger according to claim 3 is characterized in that,
Between the 1st plate of refrigerant inflow and outflow parts and the 2nd plate, be situated between and be equipped with intermediate plate, and this intermediate plate by soldering at the 1st plate and the 2nd plate, be formed with the inflow path that makes the 1st plate and the 2nd plate at intermediate plate each other and the outflow pathway of the 1st and the 2nd the plate otch and the through hole that communicate with each other with outside bellying with outside bellying, when feasible stacked direction from all plates is observed, the inflow path of refrigerant inflow and outflow parts and outflow pathway intersect, intermediate plate double as soldering accessory plate, the formation of intermediate plate flows into the both side edges portion of otch of end of the outlet side of the end of entrance side of path and outflow pathway, and the above-mentioned fillet that enters the 1st plate of refrigerant inflow and outflow parts and the 2nd plate and heat exchanger are with in the above-mentioned gap between the fitting projection of jockey and the close heat exchanger outer peripheral face of the fitting projection of jockey.
8. heat exchanger according to claim 4 is characterized in that,
Between the 1st plate of refrigerant inflow and outflow parts and the 2nd plate, be situated between and be equipped with intermediate plate, and this intermediate plate by soldering at the 1st plate and the 2nd plate, be formed with the inflow path that makes the 1st plate and the 2nd plate at intermediate plate each other and the outflow pathway of the 1st and the 2nd the plate otch and the through hole that communicate with each other with outside bellying with outside bellying, when feasible stacked direction from all plates is observed, the inflow path of refrigerant inflow and outflow parts and outflow pathway intersect, intermediate plate double as soldering accessory plate, the formation of intermediate plate flows into the both side edges portion of otch of end of the outlet side of the end of entrance side of path and outflow pathway, and the above-mentioned fillet that enters the 1st plate of refrigerant inflow and outflow parts and the 2nd plate and heat exchanger are with in the above-mentioned gap between the fitting projection of jockey and the close heat exchanger outer peripheral face of the fitting projection of jockey.
9. heat exchanger according to claim 5 is characterized in that,
Between the 1st plate of cold coal inflow and outflow parts and the 2nd plate, be situated between and be equipped with intermediate plate, and this intermediate plate by soldering at the 1st plate and the 2nd plate, be formed with the inflow path that makes the 1st plate and the 2nd plate at intermediate plate each other and the outflow pathway of the 1st and the 2nd the plate otch and the through hole that communicate with each other with outside bellying with outside bellying, when feasible stacked direction from all plates is observed, the inflow path of refrigerant inflow and outflow parts and outflow pathway intersect, intermediate plate double as soldering accessory plate, the formation of intermediate plate flows into the both side edges portion of otch of end of the outlet side of the end of entrance side of path and outflow pathway, and the above-mentioned fillet that enters the 1st plate of refrigerant inflow and outflow parts and the 2nd plate and heat exchanger are with in the above-mentioned gap between the fitting projection of jockey and the close heat exchanger outer peripheral face of the fitting projection of jockey.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP283836/2009 | 2009-12-15 | ||
| JP2009283836A JP5463133B2 (en) | 2009-12-15 | 2009-12-15 | Heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201992914U true CN201992914U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206528935U Expired - Lifetime CN201992914U (en) | 2009-12-15 | 2010-12-07 | Heat exchanger |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5463133B2 (en) |
| CN (1) | CN201992914U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6358848B2 (en) * | 2014-05-15 | 2018-07-18 | 株式会社ケーヒン・サーマル・テクノロジー | Evaporator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56135585U (en) * | 1980-03-17 | 1981-10-14 | ||
| JP4082073B2 (en) * | 2002-04-16 | 2008-04-30 | 株式会社デンソー | Piping joint structure in heat exchanger |
| JP2006105545A (en) * | 2004-10-08 | 2006-04-20 | Nikkei Nekko Kk | Heat exchanger and manufacturing method thereof |
| JP2009243563A (en) * | 2008-03-31 | 2009-10-22 | Showa Denko Kk | Pipe coupling structure with hollow component |
-
2009
- 2009-12-15 JP JP2009283836A patent/JP5463133B2/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2011127779A (en) | 2011-06-30 |
| JP5463133B2 (en) | 2014-04-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: KEIHIN COOL WARM TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHOWA DENKO K.K. Effective date: 20120726 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120726 Address after: Japan Tochigi Patentee after: Keihin Thermal Technology Corporation Address before: Tokyo, Japan, Japan Patentee before: Showa Denko K. K. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |