CN103017590A - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
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- CN103017590A CN103017590A CN2011104215259A CN201110421525A CN103017590A CN 103017590 A CN103017590 A CN 103017590A CN 2011104215259 A CN2011104215259 A CN 2011104215259A CN 201110421525 A CN201110421525 A CN 201110421525A CN 103017590 A CN103017590 A CN 103017590A
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- header
- plate
- boxboard
- heat
- collection plate
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention discloses a heat exchanger. In the heat exchanger (1) which is provided with a heat transfer pipe (2) and a header (10), the header (10) comprises a tube part (13) and a cover component (14), wherein the tube part (13) is obtained through combining a header board (11) and a box board (12). The header board (11) and the box board (12) are configured to being superposed in an inner-outer direction of the tube part (13). The cover component (14) comprises the following components: an insertion jointing part (14) which is inserted outside the end of the tube part (13), and an insertion blocking part (14c) which is inserted into the superposed part between the header board (11) and the box board (12) on the tube part (13). Therefore, in a condition that the cover component is equipped at the end of the tube part with the header board and the box board, the connection port between the cover component (14) and a header pipe feeding part is enlarged for restricting generation of eddy flow, and simultaneously jointing between the header board and the box board can be performed reliably.
Description
Technical field
The present invention relates to a kind of heat exchanger that comprises header (header tank).
Background technology
Up to the present, known: as for example to be arranged on heat exchanger on the air conditioner for vehicles and to comprise many heat-transfer pipes being arranged on the prescribed direction and the header (reference example such as patent documentation 1) of extending and being communicated with the end of this heat-transfer pipe at the arragement direction of heat-transfer pipe.Disclosed header comprises by the collection plate that is formed with the heat-transfer pipe patchhole on it (header plate) and consists of cylinder section that the boxboard (tank plate) of case consists of and be installed in a cover at section both ends in the patent documentation 1.
Cover comprises the fitting portion (being shown in Fig. 7) of the open-ended inboard that is embedded in a section and the claw that engages with the outer peripheral face of cylinder section.Have cold-producing medium for arranging being connected on the fitting portion of cover for comb of path, cold-producing medium is discharged for comb supply heat exchanger or from heat exchanger through this.
Patent documentation 1: Japanese Laid-Open Patent Publication JP 2009-92359 communique
Yet, described as patent documentation 1, in the time the fitting portion of cover will being embedded in a section open-ended inboard, be will fitting portion around be positioned at along the position of the inner surface of cylinder section, so the connector that is used for connecting for comb just diminishes.
If fitting portion is positioned at a section inboard like this, connector diminishes, so, will be from cylinder section for example when flow out for comb at cold-producing medium, the cold-producing medium stream that clashes with fitting portion increases, and produces turbulent flow easily.If produce turbulent flow, not only can cause harmful effect to heat exchange performance, also can produce very large cold-producing medium circulation sound.
When described as patent documentation 1, when the fitting portion of cover was embedded in the cylinder section that is made of collection plate and boxboard, fitting portion collected the direction that plate and boxboard are separated from each other so that masterpiece is used for making, and substandard product might occur.
Summary of the invention
The present invention finishes in view of the premises just.Its purpose is: under the situation of the end that cover is arranged on the cylinder section with collection plate and boxboard, on one side can increase the generation that suppresses turbulent flow with the connector that is connected for comb, Yi Bian collect reliably the joint of plate and boxboard.
For reaching above-mentioned purpose, in the present invention, cover is embedded in tin section outside, the part that from the outside cover caulked is coincided at collection plate and the boxboard of cylinder section again.
The invention of first aspect is such, comprising many heat-transfer pipes being arranged on the prescribed direction and be communicated with the end of described heat-transfer pipe and in the heat exchanger of the header that the arragement direction of this heat-transfer pipe extends, described header comprises a section and cover, this one combines collection plate and formation case boxboard partly, have the heat-transfer pipe patchhole on this collection plate, this heat-transfer pipe patchhole is used for inserting the end of described heat-transfer pipe.This cover is used for the open-ended of this one sealed.Boxboard one side of described collection plate and collection plate one side of described boxboard are arranged to coincide in the inward-outward direction of described cylinder section.Described cover comprises: be embedded in fitting portion and the impaction part in the outside, end of described cylinder section, the part that this impaction part coincides at described collection plate and the described boxboard of described cylinder section from outside caulked.
According to this structure, when cover being installed in the section because fitting portion is embedded in tin section outside, thus with the prior art example in be embedded in a situation of section inboard and compare, the connector bore for comb section is increased.So just can suppress the generation of turbulent flow.
Because the impaction part of cover is the intersection that coincides at collection plate and boxboard from outside caulked, so impaction part can push from the outside intersection of two plates, and can make the intersection close contact of two plates.
The invention of second aspect is such, in the invention of first aspect, on the plate, is formed with towards the recess of the inboard depression of header one of in described collection plate and described boxboard, and the impaction part caulked on the described cover is in described recess.
According to this structure, because the impaction part caulked on the cover is in recess, so impaction part is difficult to break away from this recess.
The invention of the third aspect is such, in the invention of second aspect, one of in described collection plate and described boxboard on the inner surface of plate, corresponding with described recess, be formed with side-prominent protuberance in the described header, another plate inserts towards inner surface one side of a plate, engages with described protuberance and is positioned.
According to this structure, can utilize formation owing to recess to be created in protuberance on the inner surface of a plate to another plate location, so need not to arrange in addition the location division.
The invention of fourth aspect is such, and first in the invention of third aspect either side, the impaction part on the described cover forms sheet, and the end of described impaction part forms towards the direction bending of the outer surface that leaves described header.
According to this structure, because the end of impaction part is crooked towards the direction of the outer surface of fleeing from header, so be to allow the mid portion of impaction part contact with the outer surface of header and carry out caulked.So, compare with the situation that allows the end of impaction part contact, can make more earth deformation of impaction part.
The invention of the 5th aspect is such, and in the invention of fourth aspect, the end of described impaction part is outstanding by caulked outer surface from this header under the state on the described header.
According to this structure, the end by making impaction part is outstanding from the outer surface of header, just can be easily and allow reliably the caulked masterpiece for impaction part.
The invention of the 6th aspect is such, aspect first to the 5th in the invention of either side, in the inside of described header, the mid portion of plate one of in described collection plate and the described boxboard and isolation part that form as one folding along the thickness of slab direction formed along the long side direction of this header extend.End on the long side direction of described isolation part is open-ended outstanding from described cylinder section, is inserted in and is formed on inserting in the hole on the described cover.
According to this structure, because the isolation part that forms as one with a plate can be arranged on the inside of header, so in the situation that does not increase number of components, namely can obtain the partition structure of header.
Because the end of isolation part is inserted in the patchhole of cover, open so can suppress to consist of the folding plate that forms of isolation part.
The invention of the 7th aspect is such, and in the invention of either side, the faying face of at least one parts is provided with scolder in described collection plate, boxboard and cover aspect first to the 6th.
According to this structure, during soldering, the solder fusing that is arranged on the faying face flows, thereby can carry out reliably the soldering of each parts.
According to the invention of first aspect, because be to be packed with cover from the cylinder section outside, so the connector bore for comb section is increased, suppress the generation of turbulent flow; Because be from the outside with the intersection of the impaction part caulked on the cover at collection plate and boxboard, so the intersection of two plates is closely cooperated mutually, thereby it is engaged reliably.
According to the invention of second aspect, because be with the recess on the plate one of in being formed on collection plate and boxboard of the impaction part caulked on the cover, so cover can be embedded on the header securely.
According to the invention of the third aspect, be formed with protuberance corresponding to recess at the inner surface of a plate, be used as the location division of another plate with this protuberance, so can be with designs simplification.
According to the invention of fourth aspect, because make the end of impaction part crooked towards the direction of the outer surface that leaves header, thus can increase the deflection of impaction part, thus impaction part is embedded on the header securely.
According to the invention of the 5th aspect because the end of impaction part is outstanding from the outer surface of header, so impaction part is easy to caulked, thus with impaction part reliably caulked in header.
Invention according to the 6th aspect, the mid portion of one plate is folding and form the isolation part along the thickness of slab direction, allow open-ended outstanding from cylinder section of end on the long side direction of isolation part, and the end on the long side direction of this isolation part is inserted in inserting in the hole on the cover, so arrange in the situation of isolation structure at the collection plate on the increase limit that just suppresses number of components, can prevent that the folding plate that forms that consists of the isolation part from opening.Therefore can make assembling operation good.
According to the invention of the 7th aspect, because the faying face of at least one parts is provided with scolder in collection plate, boxboard and cover, under the state that allows each parts closely engage, namely can carry out reliably soldering.
Description of drawings
Fig. 1 is the stereogram of watching the related heat exchanger of embodiment of seeing from flow of external air direction upstream side toward the downstream.
Fig. 2 is the exploded perspective view of upside header and side plate.
Fig. 3 is the top view of the right side part of heat exchanger.
Fig. 4 is the right side view of upside header.
Fig. 5 is the cutaway view of cutting open along V-V line among Fig. 4 before impaction part being carried out caulked.
Fig. 6 is the cutaway view of cutting open along the VI-VI line among Fig. 3.
Fig. 7 is the cutaway view of the related header of prior art.
(symbol description)
The 1-heat exchanger;
The 2-heat-transfer pipe;
The 3-fin;
The 4-fuse;
10-upside header;
11-collection plate;
11a-heat-transfer pipe patchhole;
The 12-boxboard;
13-cylinder section;
The 14-cover;
14b-surrounding wall portion (fitting portion);
The 14c-impaction part;
The 14f-bend;
The 14h-patchhole;
The 16-dividing plate;
The 18-isolation part;
17A～17G-the first to the 7th recess;
The 17a-protuberance;
20-is for the comb attaching parts;
30-downside header.
The specific embodiment
Below, by reference to the accompanying drawings embodiments of the present invention are described.In addition, following embodiment only is preferred exemplary in essence, and the intentions such as unrestricted the present invention, use object of the present invention or purposes of the present invention.
Fig. 1 is the stereogram of the related heat exchanger of embodiments of the present invention 1.This heat exchanger 1 is as for example refrigerant evaporator of the heat exchanger for cooling of air conditioner for vehicles (not shown), is incorporated in the not shown housing, is used for the air that is introduced in the housing is cooled off.The direction of passing through of extraneous air is direction shown in the blank arrow among Fig. 1 etc.
The heat-transfer pipe 2 of fuse 4 extends along the vertical direction, and as shown in Figure 5, externally separates two rows that are arranged at intervals with of regulation on the flow direction of air.Be positioned at the heat-transfer pipe 2 of the flow direction upstream side of extraneous air, separate the interval of regulation and establish at the left and right directions of heat exchanger 1, identical therewith, the heat-transfer pipe 2 that is positioned at the downstream also is to establish in the left and right directions devices spaced apart.Each heat-transfer pipe 2 is aluminium alloy systems, have on the flow direction of air externally flat heat-transfer pipe of long section configuration of length.
Fin 3 is arranged between the heat-transfer pipe 2 of arranging along left and right directions.Fin 3 is aluminium alloy systems, along the flow direction of the extraneous air continuous corrugated fin of above-below direction of looking.Be provided with scolder at the outer surface of heat-transfer pipe 2 or the outer surface of fin 3, the left and right sides of fin 3 with this scolder soldering on the side of heat-transfer pipe 2.
In the edge, both sides of the flow of external air direction of side plate 40, be provided with towards the direction of leaving fuse 4 (outside) outstanding rib 40a, 40a.Each rib 40a is from extending near the upper end of side plate 40 near the lower end.The projected direction end of this rib 40a close to the inwall of the housing of taking in heat exchanger 1 (not shown), can suppress therefrom wind and spill between heat exchanger 1 and inner walls.
Such as Fig. 2, shown in Figure 4, collection plate 11 comprises bottom wall portion 11b, side wall portion 11c, the 11d that extends towards the top from the flow of external air direction both ends of bottom wall portion 11b that extends along left and right directions, and collection plate 11 integral body are one and have the channel-like parts that are approximate " コ " word shape section that opens wide towards the top.As shown in Figure 5, at the bottom wall portion 11b of collection plate 11, described heat-transfer pipe patchhole 11a forms corresponding to the upper end of the heat-transfer pipe 2 in flow of external air direction upstream side and downstream.Each heat-transfer pipe patchhole 11a, the shape corresponding to the upper end of heat-transfer pipe 2 externally forms longlyer on the flow direction of air.The circumference soldering of heat-transfer pipe patchhole 11a on the collection plate 11 is at the peripheral part of heat-transfer pipe 2.
As shown in Figure 2, make between heat-transfer pipe patchhole 11a, the 11a adjacent on the long side direction of collection plate 11 as forming the bellying 11e that bloats towards the below.Outer surface at the side wall portion 11c, the 11d that collect plate 11 is formed with towards first to the 7th recess 17A～17G of header 10 inboard depressions.These first to the 7th recess 17A～17G utilize stamping machine to form.Therefore, corresponding with first to the 7th recess 17A～17G at the side wall portion 11c of collection plate 11, the inner surface of 11d, be formed with towards header 10 interior the first to the 7th side-prominent protuberance 17a (the first protuberance only is shown among Fig. 4, Fig. 5, Fig. 6).The first to the 7th protuberance 17a is set in more than 1/2 of thickness of slab from the outstanding projecting height H of header 10 inner surfaces.
The shape of first to the 7th recess 17A～17G is set to identical.As shown in Figure 2, the first recess 17A is arranged near the right part of collection plate 11.The second recess 17B leaves the left side that the first recess 17A is arranged in the first recess 17A, and the 3rd, the 4th recess 17C, 17D leave the left side that the second recess 17B is arranged in the second recess 17B.Three, the 4th recess 17C, 17D lean on very closely mutually, and the two is furnished with described dividing plate 16.That is to say that the 3rd, the 4th recess 17C, 17D establish corresponding to the position of dividing plate 16.If dividing plate 16 is inserted among the 3rd, the 4th recess 17C, the 17D, namely can suppress dividing plate 16 and skew.
The 5th recess 17E leaves the left side that the 4th recess 17D is arranged in the 4th recess 17D; The 6th recess 17F leaves the left side that the 5th recess 17E is arranged in the 5th recess 17E; The 7th recess 17G is arranged near the left part of collection plate 11.
As shown in Figure 5, near the right part of bottom wall portion 11b of collection plate 11, side plate patchhole 11g is wherein inserted respectively in the upper end that is formed with the upper end of the flow of external air direction upstream side on the side plate 40 and downstream.
As shown in Figure 2, at the bottom wall portion 11b of collection plate 11, being used for internal separation with upside header 10 is that isolation part 18 and this bottom wall portion 11b of space, the downstream R2 in the upstream side space R1 (shown in Fig. 4 etc.s) of flow of external air direction upstream side and downstream forms as one.Isolation part 18 is arranged near the upper outside air-flow direction central portion of bottom wall portion 11b, crosses over the left and right directions both ends of bottom wall portion 11b and extends continuously.Isolation part 18 is to form along the flow of external air direction mid portion of thickness of slab direction folding set plate 11, therefore, is 2 times of sheet metal thickness that consist of collection plate 11.The both ends on long side direction of isolation part 18 are open-ended outwards outstanding from cylinder section 13, can insert in the patchhole 14h that is formed on the cover 14 described later.
The upper end of isolation part 18 is also up more outstanding than the upper end of side wall portion 11c, 11d, contact with the inner surface of boxboard 12 and by soldering on this inner surface.
At the upper wall portions 12a of boxboard 12, the position corresponding with the bulge 11e of collection plate 11 is formed with a plurality of depressed part 12d that extend along the flow direction of extraneous air.Flow of external air direction central portion at this upper wall portions 12a is formed with recessed the 12e of section that extends along left and right directions.Also as shown in Figure 4, the upper end of described isolation part 18 is embedded in close header 10 inner surfaces one side of recessed the 12e of section.
The outer surface soldering of side wall portion 12b, 12c is on the inner surface of side wall portion 11c, 11d.
The bottom of side wall portion 12b, the 12c of boxboard 12 also withstands on tightly from the first to the 7th protuberance 17a contact of upside with collection plate 11, carries out like this boxboard 12 is positioned at the location that collects on the plate 11.
Such as Fig. 2, shown in Figure 3, in flow direction upstream side and the downstream of the upper external air of boxboard 12, add up to be formed with two pairs of paired signs with recess 12g, 12g, the sign when this sign is installation dividing plate 16 with recess 12g, 12g.This two group mark is corresponding with the formation position of described the 3rd, the 4th recess 17C, 17D on the long side direction of boxboard 12 with recess 12g, 12g.The sign of upstream side is with recess 12g, 12g, form extend to continuously from the position in side wall portion 12b one side of upper wall portions 12a this side wall portion 12b recessed of the position of upper wall portions 12a one side.On the other hand, the sign in downstream with recess 12g, 12g form extend to continuously from the position in side wall portion 12c one side of upper wall portions 12a this side wall portion 12c recessed of the position of upper wall portions 12a one side.That is to say that sign is positioned at the bight of boxboard 12 with recess 12g, 12g.
As shown in Figure 3, owing to indicate that the inner surface at boxboard 12 has formed protuberance 12i, 12i with the formation of recess 12g, 12g, between these protuberances 12i, 12i, be inserted with the top of dividing plate 16, suppressed dividing plate 16 and skewed.Protuberance 12i, 12i contact with the upper side corner sections of dividing plate 16 from the thickness direction both sides, thereby can allow scolder be dispersed throughout the bight of dividing plate 16.
At the 14a of closure plate section, be used for connecting cold-producing medium and discharge the discharge side connector 14d of the heat-transfer pipe 20b of section and form with the upstream side space R1 of upside header 10 and be communicated with; Being used for connecting cold-producing medium supplies with the supply side connector 14e of the heat-transfer pipe 20a of section and forms with space, the downstream R2 of upside header 10 and be communicated with.The fitting portion that is embedded in a section 13 inboards is not set on right cap parts 14, namely can makes the relative aperture prior art of connector 14d, 14e large.
Discharge between side connector 14d and the supply side connector 14e at the 14a of closure plate section, patchhole 14h wherein can be inserted in the right part that is formed with isolation part 18.Also as shown in Figure 4, this patchhole 14h is extend along the vertical direction slot-shaped.The width of patchhole 14h is set to about 2 times of collection plate 11 thicknesss of slab.Therefore, the folded part that consists of the collection plate 11 of isolation part 18 can insert among this patchhole 14h with this its folded state.
Be shown in the part enlarged drawing such as Fig. 5, impaction part 14c partly is made of the sheet that forms as one with surrounding wall portion 14b, is separately positioned on flow of external air direction upstream side and the downstream of surrounding wall portion 14b.Particularly, the impaction part 14c of flow of external air direction upstream side is positioned at the part corresponding with the first recess 17A of the side wall portion 11c of cylinder section 13; The impaction part 14c in downstream is positioned at the part corresponding with the first recess 17A of the side wall portion 11d of cylinder section 13.
Each impaction part 14c, different from the main part of surrounding wall portion 14b, can carry out plastic deformation in the inward-outward direction of surrounding wall portion 14b.That is to say that the impaction part 14c caulked of upstream side is at the first recess 17A of side wall portion 11c; The impaction part 14c caulked in downstream is at the first recess 17A of side wall portion 11d.
The intersection that impaction part 14c coincides at collection plate 11 and boxboard 12 from outside caulked.So, impaction part 14c will push from the outside two plates 11,12 intersection, thereby can make two plates 11,12 the mutual close contact of intersection.
Shown in the part enlarged drawing of Fig. 5, be provided with the bend 14f that forms towards the direction bending of the outer surface that leaves upside header 10 in the end of each impaction part 14c.Bend 14f forms under with the state of impaction part 14c caulked in the first recess 17A and gives prominence to from the outer surface of upside header 10.
As shown in Figure 3, consisted of by aluminium alloy clamp dog material for comb attaching parts 20, have that cold-producing medium is supplied with the heat-transfer pipe 20a of section and cold-producing medium is discharged the heat-transfer pipe 20b of section.Cold-producing medium is supplied with the heat-transfer pipe 20a of section and is inserted in the supply side connector 14e on the right cap parts 14, and by the circumference of soldering at this connector 14e.Cold-producing medium is discharged the heat-transfer pipe 20b of section and is inserted in the discharge side connector 14d, and by the circumference of soldering at this connector 14d.Be connected with the never extended pipeline of illustrated expansion gear at the cold-producing medium supply heat-transfer pipe 20a of section and the cold-producing medium discharge heat-transfer pipe 20b of section.
Left cap parts 15 are basically identical with right cap parts 14 structures, just do not have the connector this point different from right cap parts 14, describe in detail to omit not carry.
As shown in Figure 2, dividing plate 16 is aluminium alloy systems, is used for along left and right directions upstream side space R1 and space, downstream R2 being separated.
In the lower edge of dividing plate 16, be formed with the inner downside protuberance 16a of through hole (not shown) that can be inserted in collection plate 11; Rising wood at dividing plate 16 is formed with the inner upside protuberance 16b of through hole 12h (also illustrating among Fig. 3) that can insert boxboard 12.And being formed with isolation part 18 on the dividing plate 16 can insertion slit 16c wherein.
Next, explanation is what how to produce by the heat exchanger 1 of the above formation.
Alternative arrangement heat-transfer pipe 2 and fin 3 are arranged in the outer end with side plate 40, and they are banded together put well.
Assembling upside header 10.At this moment, at first, as shown in Figure 2, dividing plate 16 is assembled on the collection plate 11.At this moment, because the 3rd, the 4th recess 17C, the 17D of collection plate 11 are formed on the installation site of dividing plate 16, so the 3rd, the 4th recess 17C, 17D become the sign of the assembling position of expression dividing plate 16.Therefore, can either make the operator hold at an easy rate the assembling position of dividing plate 16, can prevent that again the operator is installed in dividing plate 16 on the errors present.
When assembling dividing plate 16, isolation part 18 is inserted in the slit 16c of dividing plate 16, and dividing plate 16 insertions are formed between the 3rd, the 4th protuberance of inner surface corresponding to the 3rd, the 4th recess 17C, 17D.Dividing plate 16 is to utilize the 3rd, the 4th protuberance to be guided on the installation site of regulation thus, and is installed on this installation site.Under this state, suppress dividing plate 16 by the 3rd, the 4th protuberance and skew.By utilizing like this punch process to form the 3rd, the 4th recess 17C, 17D, then the 3rd, the 4th recess 17C, 17D not only become the installation site of dividing plate 16, also become the guide portion to the installation site, suppress the suppressing portion that skews that dividing plate 16 skews but also become.
Afterwards, boxboard 12 is installed on the collection plate 11.That is to say, side wall portion 12b, the 12c of boxboard 12 are inserted between side wall portion 11c, the 11d of collection plate 11.So such as Fig. 4, shown in Figure 6, the lower edge of side wall portion 12b, the 12c of boxboard 12 contacts and engages with the first to the 7th protuberance 17a of collection plate 11.So, just limit boxboard 12 and further inserted (moving towards the below), with respect to collection plate 11 boxboard 12 has been reserved the position.
When boxboard 12 being installed on the collection plate 11, because dividing plate 16 is positioned on the collection plate 11 as mentioned above, so dividing plate 16 is inserted between protuberance 12i, the 12i on the boxboard 12 reliably, the upside of dividing plate 16 is in the installation site of regulation by protuberance 12i, 12i guiding.The upside of dividing plate 16 also can suppress dividing plate 16 and skew between protuberance 12i, 12i.
In addition, can adopt following way, after being installed in dividing plate 16 on the boxboard 12, will collecting again plate 11 and be installed on the boxboard 12.
After assembling a section 13 by the above, again right side, left cap parts 14,15 are installed in a section 13.When right cap parts 14 are installed in a section 13, the surrounding wall portion 14b of right cap parts 14 is embedded in the outside, a section 13 right parts.
As shown in Figure 5, because when being packed with after the right cap parts 14, the right part of isolation part 18 is outstanding from the right part opening of cylinder section 13, so this right part is inserted in the patchhole 14h of right cap parts 14.So, can prevent that namely the folded part that consists of isolation part 18 from opening.
After the complete caulked of surrounding wall portion 14b with right cap parts 14, as shown in Figure 5, impaction part 14c then is positioned at the position corresponding with the first recess 17A, under this state, allows the caulked masterpiece towards header 10 inboards be used for impaction part 14c.So shown in the double dot dash line in the part enlarged drawing, impaction part 14c is towards header 10 inboard plastic deformations, a part is incorporated in the first recess 17A, engages with the inner surface crimping of this recess 17A.So, right cap parts 14 can not break away from from cylinder section 13, and side wall portion 11c, the 11d of collection plate 11 is urged side wall portion 12b, the 12c at boxboard 12.
When carrying out caulked, because be formed with towards the bend 14f of the direction bending of leaving header 10 in the end of impaction part 14c, so compare with the situation that does not form this bend 14f, can make impaction part 14c carry out large plastic deformation, thereby can make the inner surface firm engagement of it and the first recess 17A.
Because it is outstanding from the outer surface of upside header 10 to carry out the bend 14f of caulked, so by pressing this bend 14f, namely be easy to make caulked power to act on reliably on the impaction part 14c.
Left cap parts 15 are installed in the section 13 too.The seven recess 17G of the impaction part of left cap parts 15 (not shown) caulked on collection plate 11.
To supply with in the supply side connector 14e and discharge side connector 14d of the heat-transfer pipe 20a of section and the cold-producing medium discharge heat-transfer pipe 20b of section embedding right cap parts 14 for the cold-producing medium on the comb attaching parts 20, will be fixed on the right cap parts 14 for comb attaching parts 20.
Assembled after upside and the downside header 10,30, the both ends of the heat-transfer pipe 2 in the fuse 4 are inserted in upside and downside header 10,30 the heat-transfer pipe patchhole 11a, the up and down both ends of side plate 40 are inserted in upside and downside header 10,30 the side plate patchhole 11g.
Afterwards, with fuse 4, upside and downside header 10,30, move in the soldering stove for comb attaching parts 20 and side plate 40, various piece is carried out soldering.
At this moment, because contacting with the bight of dividing plate 16 upsides with recess 12g, 12g corresponding protuberance 12i, 12i with sign on the header 10, so can make scolder spread all over the bight of dividing plate 16, thus the bad generation of soldering can be suppressed.
As mentioned above, the heat exchanger 1 related according to this embodiment because right cap parts 14 are embedded in a section 13 outsides, so the bore of the connector 14d, the 14e that supply the comb 20a of section, 20b is increased, suppresses the generation of turbulent flow.
Because from the outside with the impaction part 14c caulked of right cap parts 14 intersection at collection plate 11 and boxboard 12, so can make two plates 11,12 intersection close contact, thereby it is engaged reliably.
Because with the impaction part 14c caulked of right cap parts 14 at the first recess 17A that is formed on the collection plate 11, so right cap parts 14 can be embedded on the header 10 securely.
Because at collection plate 11 inner surfaces, formed the protuberance 17a corresponding with first to the 7th recess 17A～17G, and be used as the location division of boxboard 12 with this protuberance 17a, so can make structure simpler.
Because the projected direction end that makes impaction part 14c is crooked towards the direction of the outer surface that leaves header 10, thus the deflection that impaction part 14c is carried out when the caulked is increased, thus can be embedded in securely on the header 10.
Because make the projected direction end of impaction part 14c outstanding from the outer surface of header 10, so impaction part 14c is easy to caulked, can reliably impaction part 14c be embedded on the header 10.
Because carried out folding and made isolation part 18 and collect plate 11 forming as one along the mid portion of thickness of slab direction to collection plate 11, so can limit inhibition number of components increase, the limit arranges isolation structure in header 10.Because make the right part on the long side direction of isolation part 18 outstanding from the right part opening of cylinder section 13, and insert in the patchhole 14h of right cap parts 14, open so can suppress to consist of the folded part of the collection plate 11 of isolation part 18.So just can make assembling operation good.
In addition, in the above-described embodiment, form first to the 7th recess 17A～17G at collection plate 11, but be not limited to this, collection plate 11 can also be embedded in boxboard 12 inboards, formed recess at side wall portion 12b, the 12c of boxboard 12.The number of recess is not limited to 7, and quantity can Set arbitrarily.
In the above-described embodiment, explanation be the situation that is provided with 2 row's heat-transfer pipes 2 on the flow direction of externally air, but be not limited to this, 1 row also can only be set, the present invention is also applicable to the situation that 1 row only is set.
In the above-described embodiment, explanation be that the present invention is applied in situation on the refrigerant evaporator, but be not limited to this, also the present invention can be applied in such as on the various heat exchangers such as heater fuse.
Can be only one of in collection plate 11 and boxboard 12 faying face of plate scolder is set.Although preferred on the right side, left cap parts 14,15 faying face arrange scolder, scolder being arranged in the situation about collecting on plate 11 and the boxboard 12, also can omit the scolder on right side, the left cap parts 14,15.
In sum, heat exchanger involved in the present invention for example can use as the heat exchanger for cooling of air conditioner for vehicles.
Claims (7)
1. heat exchanger comprises: be arranged in many heat-transfer pipes on the prescribed direction and be communicated with the end of described heat-transfer pipe and in the header that the arragement direction of this heat-transfer pipe extends, it is characterized in that:
Described header comprises a section and cover, this one is that collection plate and the boxboard that forms the case part combine, have the heat-transfer pipe patchhole on this collection plate, this heat-transfer pipe patchhole is used for inserting the end of described heat-transfer pipe, and this cover is used for the open-ended of this one sealed;
Boxboard one side of described collection plate and collection plate one side of described boxboard are arranged to coincide in the inward-outward direction of described cylinder section;
Described cover comprises fitting portion and impaction part, and this fitting portion is embedded in the outside, end of described cylinder section, and the above collects the part that plate and described boxboard coincide to this impaction part in described cylinder section from outside caulked.
2. heat exchanger according to claim 1 is characterized in that:
Plate is formed with towards the recess of the inboard depression of header one of in described collection plate and described boxboard;
Impaction part caulked on the described cover is in described recess.
3. heat exchanger according to claim 2 is characterized in that:
One of in described collection plate and described boxboard on the inner surface of plate, correspondingly with described recess be formed with side-prominent protuberance in the described header;
Another plate inserts towards inner surface one side of a plate, engages with described protuberance and is positioned.
4. the described heat exchanger of each claim in 3 according to claim 1 is characterized in that:
Impaction part on the described cover forms sheet;
The end of described impaction part forms towards the direction bending of the outer surface that leaves described header.
5. heat exchanger according to claim 4 is characterized in that:
Is giving prominence to from the outer surface of this header under the state of caulked in described header the end of described impaction part.
6. the described heat exchanger of each claim in 5 according to claim 1 is characterized in that:
Inside in described header is formed with the isolation part, and this isolation part is that mid portion with plate one of in described collection plate and the described boxboard is folding and form as one along the thickness of slab direction, and extends along the long side direction of this header;
End on the long side direction of described isolation part is open-ended outstanding from described cylinder section, is inserted in and is formed on inserting in the hole on the described cover.
7. the described heat exchanger of each claim in 6 according to claim 1 is characterized in that:
The faying face of at least one parts is provided with scolder in described collection plate, boxboard and cover.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011208838A JP5816038B2 (en) | 2011-09-26 | 2011-09-26 | Heat exchanger |
| JP2011-208838 | 2011-09-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103017590A true CN103017590A (en) | 2013-04-03 |
| CN103017590B CN103017590B (en) | 2016-12-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105814393A (en) * | 2013-12-20 | 2016-07-27 | 株式会社T.Rad | Header plateless heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410738A (en) * | 2001-09-29 | 2003-04-16 | 汉拏空调株式会社 | Heat exchanger |
| CN1875239A (en) * | 2003-10-29 | 2006-12-06 | 昭和电工株式会社 | Heat exchanger |
| CN101069060A (en) * | 2004-11-30 | 2007-11-07 | 昭和电工株式会社 | Heat exchanger |
| JP2009092359A (en) * | 2007-10-12 | 2009-04-30 | Showa Denko Kk | Heat exchanger and method of manufacturing the same |
| CN101782296A (en) * | 2009-01-20 | 2010-07-21 | 三花丹佛斯（杭州）微通道换热器有限公司 | Micro-channel heat exchanger |
| CN101839590A (en) * | 2010-02-22 | 2010-09-22 | 三花丹佛斯（杭州）微通道换热器有限公司 | Micro-passage heat exchanger |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410738A (en) * | 2001-09-29 | 2003-04-16 | 汉拏空调株式会社 | Heat exchanger |
| CN1875239A (en) * | 2003-10-29 | 2006-12-06 | 昭和电工株式会社 | Heat exchanger |
| CN101069060A (en) * | 2004-11-30 | 2007-11-07 | 昭和电工株式会社 | Heat exchanger |
| JP2009092359A (en) * | 2007-10-12 | 2009-04-30 | Showa Denko Kk | Heat exchanger and method of manufacturing the same |
| CN101782296A (en) * | 2009-01-20 | 2010-07-21 | 三花丹佛斯（杭州）微通道换热器有限公司 | Micro-channel heat exchanger |
| CN101839590A (en) * | 2010-02-22 | 2010-09-22 | 三花丹佛斯（杭州）微通道换热器有限公司 | Micro-passage heat exchanger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105814393A (en) * | 2013-12-20 | 2016-07-27 | 株式会社T.Rad | Header plateless heat exchanger |
| CN105814393B (en) * | 2013-12-20 | 2018-03-30 | 株式会社T.Rad | Without collector plate heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013068387A (en) | 2013-04-18 |
| JP5816038B2 (en) | 2015-11-17 |
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