CN100414245C - Heat exchanger and process for fabricating same - Google Patents
Heat exchanger and process for fabricating same Download PDFInfo
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- CN100414245C CN100414245C CNB2004800373995A CN200480037399A CN100414245C CN 100414245 C CN100414245 C CN 100414245C CN B2004800373995 A CNB2004800373995 A CN B2004800373995A CN 200480037399 A CN200480037399 A CN 200480037399A CN 100414245 C CN100414245 C CN 100414245C
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- central strip
- distance piece
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/03—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
- F28D1/0366—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by spaced plates with inserted elements
- F28D1/0375—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by spaced plates with inserted elements the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/03—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
- F28D1/0366—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by spaced plates with inserted elements
- F28D1/0383—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by spaced plates with inserted elements with U-flow or serpentine-flow inside the conduits
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
An oil cooler (1) to which a heat exchanger of the invention is applied comprises a plurality of flat hollow bodies (2) arranged one above another in parallel at a spacing and extending in a left-right direction, a communication member (3) disposed between left end portions of each adjacent pair of flat hollow bodies (2), and a spacer (4) disposed between right end portions of each adjacent pair of flat hollow bodies (2). The spacer (4) has bores (36) extending therethrough in the front-rear direction. The spacer (4) is disposed at a position corresponding to the cutoff portion of the partition wall (15) in the hollow body (2). A fluid of high pressure can be passed through the flat hollow bodies (2) of the oil cooler (1).
Description
Cross reference to related application
The application is the application that proposes according to 35U.S.C. § 111 (a), and requires to enjoy the provisional application No.60/532 that submits on December 30th, 2003 according to 35U.S.C. § 111 (b), the rights and interests of 905 the applying date according to 35U.S.C. § 119 (e) (1).
Technical field
The present invention relates to a kind ofly, and relate to a kind of method of making this heat exchanger as the industrial machine heat exchanger of the oil cooler, aftercooler, radiator etc. of compressor, toolroom machine and hydraulic press for example.
The upside of Fig. 1 and downside and left-hand side and right-hand side will be called as respectively in the text and in the claims " on ", D score, " left side " and " right side ".Downstream with respect to such direction will be called as " preceding ", this direction is that liquid flows through every pair of adjacent flat hollow body part (between space) so that the direction of carrying out heat exchange with the liquid that flows through this hollow body part, be the indicated direction of arrow X in Fig. 1 and 8, and rightabout is called as " back ".These terms " on ", D score, " left side ", " right side ", " preceding " and " back " be for convenience and definition, and every pair of term use mutually with exchanging.In addition, in the specification below, term " aluminium " also comprises aluminium alloy except fine aluminium.
Background technology
Heat exchanger as oil cooler, aftercooler, radiator etc. in industrial machine comprises such heat exchanger, and this heat exchanger comprises: one is provided with abreast above another and is used for a plurality of flat hollow aluminum body that high temperature fluid therefrom passes through along what left and right directions extended at certain intervals; Be separately positioned between the left side of every pair of adjacent flat hollow body part and the right-hand end and two the aluminum connectednesses of soldering on adjacent hollow body part, adjacent hollow body part keeps being interconnected by this connectedness; And be arranged between every pair of adjacent flat hollow body part and soldering thereon and be positioned at wavy aluminum fin between left side and the right side connectedness.Each flat hollow body part comprises the upper and lower flat wall, and the perisporium that makes the periphery interconnection of this upper and lower wall, form a through hole in each each in its left part and right part in the upper and lower wall of each flat hollow body part, in left side and the right side connectedness each all has a through hole that is connected with the corresponding through hole of the upper wall of hollow body part and lower wall, and the left part of flat hollow body part and right part and left side and right side connectedness form vertically extending a pair of left side and right side collector (seeing for example communique JP-A No.2001-82891 and communique No.8-233476) respectively.
Flat hollow body part comprises: two flats that above another, are provided with at certain intervals, and each flat is made by the aluminium soldering sheet material that has the brazing material layer in its apparent surface each; Place between these two flats and soldering aluminum tunnel-shaped thereon becomes body, form through hole in each flat each in its left part and right part, this tunnel-shaped becomes body to comprise to make the perisporium of the periphery interconnection of two flats; And heat-transfer area increases part, and this part makes the longitudinal middle part interconnection of two straight line portioies of the perisporium of the front and rear relative side that lays respectively at flat.
But conventional heat exchanger has following problem.The weight that is separately positioned on two connectednesses between every pair of adjacent flat hollow body part makes the weight of heat exchanger integral body bigger.Because connectedness must have and is used for the through hole that the high temperature and high pressure fluid therefrom passes through, thus the wall thickness around the part of this through hole of connectedness need to increase, thereby therefore can increase the weight of connectedness and increase the weight of whole heat exchanger.It is that the area of the so-called heat exchange core overall size required with respect to heat exchanger to be installed is less that the paired collector that is separately positioned on heat exchanger left side and right side makes heat exchange section between high temperature fluid and cryogen, makes that like this raising of heat exchanger effectiveness is limited.High temperature fluid flows into a collector, flows into another collector by flat hollow body part then.During this period, fluid and flow through adjacent each from back to front the cryogen in the gap between the hollow body part is carried out heat exchange.The high temperature fluid part that flows through the rear section of hollow body part is cooled off in the case effectively, but the temperature of the cryogen of the front part in the gap between arrival hollow body part part has been elevated to higher temperature, thereby the high temperature fluid part that flows through the front part of hollow body part inside is not cooled off effectively.Therefore, Zheng Ti heat exchange performance still needs to improve.
Therefore, a kind of heat exchanger that overcomes these problems has been proposed before the applicant.The heat exchanger that proposes comprises: a plurality of flat hollow body part that is provided with abreast above another and extends along left and right directions at certain intervals; Be arranged on the connectedness between the left part of every pair of adjacent flat hollow body part, the paired flat hollow body part that this connectedness is used to keep adjacent is interconnected by this connectedness; Be arranged on the spacer bar between the right part of every pair of adjacent flat hollow body part; Each flat hollow body part comprises along the upper and lower flat wall of left and right directions elongation, make the perisporium of this upper and lower wall in its periphery interconnection, and the partition wall that the inside of hollow body part is divided into two straight passages that extend along left and right directions, the left part of each upper and lower wall is provided with along isolated two through holes of fore-and-aft direction in its front and rear location that is positioned at the partition wall opposite side respectively, so that each bar passage is communicated with connectedness by this through hole, the right part of partition wall is cut to keep two passages to be interconnected by this cut part, and the left and right sides width of divider is much smaller than the left and right sides length (seeing communique JP-A No.2004-184057) of the cut left part of the partition wall of bluff body.
In communique JP-A No.2004-184057 in the disclosed heat exchanger, each flat hollow body part comprises along left and right directions extends also two flats in upper and lower that are arranged on another top at certain intervals, and be arranged between these two flats and soldering tunnel-shaped thereon becomes body, this tunnel-shaped becomes body to comprise: two straight side slats, this side slat is arranged between the flat in the front and rear side edge of upper and lower flat respectively, and extends along left and right directions; Between two side slats and with they isolated central strip, this central strip is extended along left and right directions; Two heat transfer areas at middle part that are integrally formed into and are arranged on these height between central strip and each side slat with these increase parts; And two end bars that extend internally forward or backward from the left end of side slat respectively with being integral with it, the inner end of this end bar respectively the leading flank of central strip and the trailing flank place leans against and the left end of soldering in central strip on; The right part of central strip is cut, the left part of each during two heat transfer areas increase partly is cut, the left part of each upper and lower flat forms two through holes in the front and rear zone that it is positioned at the central strip opposite side respectively, the upper and lower flat forms the upper and lower wall respectively, flat right part separately in upper and lower is relatively crooked, crooked end overlaps also soldering mutually together to form the right side wall part of perisporium, tunnel-shaped becomes two side slats of body to form the front and rear wall part of perisporium, tunnel-shaped becomes the end bar of body to form the left side wall part of perisporium, and tunnel-shaped becomes the central strip of body to form partition wall.
The inventor has carried out extensive studies and has found that the heat exchanger that is proposed may have following problem.Become the cut part place of central strip of body in tunnel-shaped, the upper and lower flat only soldering on side slat, thereby the intensity of flat in this position reduces.Although fluid can not bring problem when having low pressure, when the fluid that flows in flat hollow body part had high pressure, plate can expand or other problem occur.
A target of the present invention is to overcome the problems referred to above, and provides a kind of high-pressure fluid can be by the heat exchanger of flat hollow body part.
Summary of the invention
In order to realize above-mentioned target, the present invention includes following pattern:
1) a kind of heat exchanger, this heat exchanger comprises: a plurality of flat hollow body part that is provided with abreast above another and extends along left and right directions at certain intervals; Be arranged on every pair of connectedness between the adjacent flat hollow body part left part, this connectedness is used to keep every pair of adjacent hollow body part to be interconnected by this connectedness; Be arranged on the distance piece of every pair of bulk form between the adjacent flat hollow body part right part; Each flat hollow body part comprises along the upper and lower flat wall of left and right directions elongation, make the perisporium of upper and lower wall in their periphery interconnection, and the partition walls that the inside of hollow body part are divided into two straight channel of extending along left and right directions, the left part of each upper and lower wall is provided with two along the isolated through hole of fore-and-aft direction in its front and rear zone that is positioned at the partition wall opposite side respectively, these two through holes are used to make each passage to be communicated with connectedness by it, the right part of partition wall is cut to keep described two passages to be interconnected by this cut part, described distance piece has along fore-and-aft direction and extends through wherein through hole, and the cut part of the partition wall of this distance piece and flat hollow body part is settled accordingly.
2) according to paragraph 1) heat exchanger, the left and right sides width of its spacers is greater than the cut part of the partition wall length along left and right directions.
3) according to paragraph 1) heat exchanger, its spacers has a plurality of holes, these a plurality of holes extend through distance piece and are arranged side by side along left and right directions along fore-and-aft direction.
4) according to paragraph 1) heat exchanger, its spacers has inner peripheral surface, this inner peripheral surface limiting hole also has along a plurality of spines and/or the groove of the longitudinal extension in hole.
5) according to paragraph 1) heat exchanger, wherein each flat hollow body part comprises along left and right directions elongation and two flats in a upper and lower that is provided with above another at certain intervals, and be arranged between these two flats and soldering tunnel-shaped thereon becomes body, this tunnel-shaped becomes body to comprise: two straight side slats, this side slat are arranged between the flat of upper and lower and along left and right directions in the front and rear side edge of upper and lower flat respectively and extend; Between two side slats and with they isolated central strip, this central strip is extended along left and right directions; Two heat transfer areas at middle part that are integrally formed into and are arranged on these height between central strip and each side slat with these increase parts; And two end bars that extend internally forward or backward from the left end of side slat respectively with being integral with it, the inner end of this end bar respectively the leading flank of central strip and the trailing flank place leans against and the left end of soldering in central strip on; The right part of central strip is cut, the left part of two heat transfer area increase parts is cut, the left part of each in the flat of upper and lower forms two through holes respectively in its front and rear zone that is positioned at the central strip opposite side, the upper and lower flat forms top wall and lower part wall respectively, the right part separately of upper and lower flat is relatively crooked, this crooked end overlaps also soldering mutually together to form the right wall part of perisporium, tunnel-shaped becomes two side slats of body to form the front and rear sidewall sections of perisporium, and tunnel-shaped becomes the end bar of body to form the left wall part of perisporium.
6) according to paragraph 5) heat exchanger, wherein the upper and lower flat is made by aluminium soldering sheet material, tunnel-shaped becomes body to comprise the aluminium extrudate.
7) a kind of comprising) to 6 according to paragraph 1) in the industrial machine of any one heat exchanger, this heat exchanger is as oil cooler.
8) a kind of comprising) to 6 according to paragraph 1) in the industrial machine of any one heat exchanger, this heat exchanger is as aftercooler.
The method of heat exchanger 9) a kind of manufacturing according to paragraph 1) is characterized in that: the preparation passage forms base substrate, and each base substrate comprises: two straight side slats that are provided with at certain intervals and extend along left and right directions along fore-and-aft direction; Between these two side slats and with they isolated central strip, this central strip is extended along left and right directions; And two the flat parts at middle part that between central strip and each side slat, are integrally formed into and are arranged on these height with these; Preparation is along the paired upper and lower flat of left and right directions elongation, and preparation respectively has along the connectedness of spaced apart and vertically extending two through holes of fore-and-aft direction, and preparation respectively has along the distance piece in the hole of fore-and-aft direction by wherein,
Make like this tunnel-shaped with each base substrate and become body: left side and the right side opposed end of the central strip of excision base substrate; The left part of each flat part of excision base substrate; The length of the flat left part of excision is greater than the length of the left part of the central strip of excision; Two flats to base substrate partly carry out pressure processing to form heat transfer area increase part; And the left part of the side slat of base substrate curved inwardly to the left or to the right; So that the inner end of side slat leans against respectively on the leading flank of central strip and the trailing flank to form the end bar
The right part that makes every pair of upper and lower flat is relatively crooked forming bend, and each flat left part wait to be placed in two through holes of formation in the zone on the front and rear opposite side of central strip,
Make a plurality of sub-assemblies (combination), each sub-assembly comprises that formed paired upper and lower flat and the tunnel-shaped that is arranged on therebetween become body, above another, settle sub-assembly abreast for one at certain intervals, between each left part, each connectedness is set so that allow two through holes to be communicated with each through hole of each flat to the adjacent set component, each distance piece is set between the right part of every pair of adjacent set component, and wave-shaped fins is positioned between every pair of connectedness and distance piece between the adjacent set component, and
Every pair of upper and lower flat soldering is being become the tunnel-shaped between the flat on side slat, central strip and the end bar of body at this, with the inner end soldering of end bar on central strip, and with the mutual soldering of the bend of every pair of flat together, and further with each flat soldering on the connectedness that is adjacent, distance piece and fin.
10) according to paragraph 9) the method for manufacturing heat exchanger, wherein each flat is made by aluminium soldering sheet material, each connectedness, distance piece and passage form base substrate and are made by the aluminium extrudate, and fin is made by thin aluminum sheet, and the brazing material that discharges from flat when utilizing fusion carries out soldering.
11) according to paragraph 9) the method for manufacturing heat exchanger, the left and right sides width of its spacers forms the right part of central strip of base substrate along the cut length of left and right directions greater than passage.
12) according to paragraph 9) the method for manufacturing heat exchanger, wherein each distance piece has along fore-and-aft direction and extends through wherein hole.
13) according to paragraph 9) the method for manufacturing heat exchanger, wherein each distance piece has inner peripheral surface, this inner peripheral surface limiting hole also has the spine and/or the groove of a plurality of longitudinal extensions along the hole.
For paragraph 1) interior described heat exchanger, distance piece is positioned at the corresponding position of cut-out with the partition wall of flat hollow body part, thereby even makes the part place of the partition wall portions of upper and lower wall interconnection also can prevent the intensity step-down of upper and lower wall in not existing of flat hollow body part.Therefore, even when high-pressure fluid flows, can prevent that still the upper and lower wall from expanding, and high-pressure fluid can flow through this hollow body part in hollow body part.In addition, the weight of the weight of described distance piece during less than the hole that do not extend through at distance piece wherein, thus the weight that can prevent heat exchanger integral body increases.The fluid that is used to cool off in the flat hollow body part of heat-exchanging part the high temperature fluid that flows for example cold air flows through the through hole of this distance piece, this distance piece also helps heat exchange as a result, thereby compare with using the distance piece that does not have through hole, can cool off the high temperature fluid that in hollow body part, flows more efficiently.
For paragraph 2) in described heat exchanger, the width of distance piece is greater than the partition wall of the hollow body part length along the cut part of left and right directions.Make the part place of the partition wall portions of upper and lower wall interconnection can prevent reliably that the intensity of upper and lower wall is weakened in not existing of flat hollow body part like this, can prevent upper and lower wall expansion reliably or other problem occur during by hollow body part when high-pressure fluid like this.Therefore, high-pressure fluid can pass through hollow body part.
For paragraph 3) interior described heat exchanger, the part between phase adjacency pair hole of distance piece is used to strengthen the upper and lower wall of flat hollow body part.Therefore, can prevent more reliably that the intensity of upper and lower wall is weakened.
For paragraph 4) interior described heat exchanger, the inner peripheral surface of the limiting hole of distance piece has along the spine of the longitudinal extension in hole and/or groove.Heat transfer area between high temperature fluid that flows and the cryogen that flows through the hole is increased, thereby further raising is above according to paragraph 1) described high temperature fluid refrigerating efficiency.
For paragraph 5) interior described heat exchanger, distance piece is positioned at the corresponding position of cut-out of central strip that becomes the formation hollow body part partition wall of body with tunnel-shaped, even thereby still can prevent the intensity step-down of upper and lower wall in the position that does not have the central strip of soldering on these flats of hollow body part, even and therefore high-pressure fluid flows, can prevent that still the upper and lower wall from expanding in hollow body part.Therefore, high-pressure fluid can pass through this hollow body part.The inner end soldering of the end bar by tunnel-shaped being become body can improve the intensity of flat hollow body part on central strip.More specifically, tunnel-shaped becomes the left part soldering of central strip of body at the part place between two through holes of upper and lower plate, and the inner end soldering of end bar is on central strip.Therefore, even when the end bar is subjected to applying thereon left power by the fluid that flows in hollow body part, also can prevent end bar fracture.
According to paragraph 6) the weight of heat exchanger integral body reduce and be easy to make.
Have with reference to paragraph 1) heat exchanger of described advantage can be by according to paragraph 9) method easily make.
When using paragraph 10) in during described method, can more easily make heat exchanger and the weight of heat exchanger is further reduced.
Have with reference to paragraph 2) heat exchanger of described advantage can use according to paragraph 11) method easily make.
Have with reference to paragraph 3) heat exchanger of described advantage can use according to paragraph 12) method easily make.
Have with reference to paragraph 4) heat exchanger of described advantage can use according to paragraph 13) method easily make.
Description of drawings
Fig. 1 is the perspective view that the unitary construction of the oil cooler that uses heat exchanger of the present invention is shown;
Fig. 2 is the decomposition diagram that the part of oil cooler is shown;
Fig. 3 is a part abridged perspective view, and the flat hollow body part of oil cooler is shown, and wherein heat transfer area increase part is omitted;
Fig. 4 is the vertical sectional view that the right part of the flat hollow body part of oil cooler is shown with the ratio of amplifying;
Fig. 5 is the fragmentary, perspective view that the tunnel-shaped of hollow body part becomes the left part of body, and the method that tunnel-shaped becomes body of making is shown;
Fig. 6 is the fragmentary, perspective view that the tunnel-shaped of hollow body part becomes the right part of body, and the method that tunnel-shaped becomes body of making is shown;
Fig. 7 is the decomposition diagram that the bottom of oil cooler is shown;
Fig. 8 illustrates the sketch how oil flows through oil cooler;
Fig. 9 is the perspective view of the modification of distance piece.
The specific embodiment
Embodiments of the invention are described below with reference to accompanying drawings.
Fig. 1 illustrates the unitary construction of heat exchanger of the present invention, and Fig. 2 to 4 and Fig. 7 illustrate the structure of the major part of this heat exchanger.Fig. 5 and 6 illustrates the method that the tunnel-shaped that is used to make flat hollow body part becomes body, and Fig. 8 illustrates high temperature fluid flowing by heat exchanger.In these accompanying drawings, identical parts are by identical label indication.
Present embodiment is to use the oil cooler that is used for compressor of heat exchanger of the present invention.The example of this compressor is load compressor, the compressor that is used for gas turbine, be used for the compressor etc. of the braking of railroad vehicle.
Fig. 1 illustrates oil cooler 1, and this oil cooler comprises: at certain intervals one above another, be provided with and along left and right directions promptly along the flat hollow aluminum body 2 of the horizontal expansion of cooler 1, this body is used to make high temperature oil therefrom to pass through; The connectedness of making by the aluminium extrudate 3, this connectedness be arranged between the left part of every pair of vertical adjacent flat hollow body part 2 and soldering on this adjacent paired flat hollow body part 2, this connectedness is used to keep hollow body part to be interconnected by this connectedness; By the distance piece 4 that the aluminium extrudate is made, this distance piece be arranged between the right part of every pair of adjacent flat hollow body part 2 and soldering on this adjacent paired flat hollow body part 2; And being arranged on waveform aluminum fin 6 between connectedness 3 and the distance piece 4, this fin is arranged on every pair of air between the adjacent flat hollow body part 2 by in the gap 5, and soldering is on this adjacent paired flat hollow body part 2.
Make and its thickness and the size inlet-outlet member 7 identical with connectedness 3 are set in place below the left part of the flat hollow body part 2 of the lower end of oil cooler by the aluminium extrudate, and soldering is on this end hollow body part 2.And the distance piece identical distance part 4 between the flat hollow body part 2 is set in place the below, right part in end hollow body part 2 similarly, and soldering is on body 2.On the right end portion of the lower surface of inlet-outlet member 7, and the right part soldering of this side plate is on the whole lower surface of distance piece 4 along the left part soldering of the bottom side plate 8 of the transverse extension of cooler 1.Space between bottom side plate 8 and the end hollow body part 2 also can be used as air by gap 5, is provided with wave-shaped fins 6 in this gap, and this fin brazed is on bottom side plate 8 and end hollow body part 2.Bottom side plate 8 is included in the aluminium soldering sheet material that has the brazing material layer on its upper surface.
The connectedness 3 identical with connectedness 3 between the flat hollow body part 2 is set in place in the top of the left part of the flat hollow body part 2 of the upper end of oil cooler 1, and soldering is on upper end hollow body part 2.And the 4 identical distance parts 4 of the distance piece between the flat hollow body part 2 are arranged on the top of the right part of upper end hollow body part 2 similarly, and soldering is on body 2.On the entire upper surface of connectedness 3, and the right part soldering of this side plate is on the entire upper surface of distance piece 4 along the left part soldering of the upper side panel 9 of the transverse extension of cooler 1.Space between upper side panel 9 and the upper end hollow body part 2 also can be used as air by gap 5, is provided with wave-shaped fins 6 in this gap.These fin 6 solderings are on upper side panel 9 and upper end hollow body part 2.Upper side panel 9 is included in the aluminium soldering sheet material that has the brazing material layer on its upper surface.
With reference to Fig. 2 and 3, flat hollow body part 2 comprises along the upper and lower wall 11 of the transverse extension of cooler 1, make the perisporium 12 of upper and lower wall 11, and the inside of hollow body part 2 is divided into along the partition wall 15 of two passages of front and rear 13,14 of the horizontal expansion of cooler in their periphery interconnection.The left part of each upper and lower wall 11 is provided with along isolated two through holes 16,17 of fore-and-aft direction in its front and rear zone of the opposite side that is positioned at partition wall 15 respectively, so that each passage 13,14 is by this through hole and external communications.The right part of partition wall 15 is cut to keep two passages 13,14 by being interconnected here.Connected component is by 18 indications.Flat hollow body part 2 comprises: by two rectangular flat plate 19,21 made by aluminium soldering sheet material that have the brazing material layer on its opposite flank, this flat is opened along the transverse extension and the perpendicular separation of cooler; And become body 22 by the tunnel-shaped that the aluminium extrudate is made, this tunnel-shaped become body to be arranged between the upper and lower flat 19,21 and soldering thereon.
Through hole 16,17 is respectively formed in the front and rear zone of left part of each flat 19,21.Two flat 19,20 right parts separately are relatively crooked.More specifically, the right part of top flat 19 is bent downwardly, and the right part of bottom flat 21 is bent upwards, and to form sweep 19a, 21a, these two sweeps overlap also soldering (see figure 4) together mutually.Two flats 19,21 form the right wall part 12a of sweep 19a, the 21a formation perisporium 12 of 11, two flats of upper and lower wall 19,21.
Tunnel-shaped becomes body 22 to comprise: two straight side slats 23, this side slat are arranged between the flat of upper and lower in the front and rear side edge of upper and lower flat 19,21 respectively, and along the horizontal expansion of cooler 1; Between two side slats 23 and with they isolated central strip 24, this central strip is along the horizontal expansion of cooler 1; Two heat transfer areas at middle part that are integrally formed into and are arranged on these height between central strip 24 and each side slat 23 with these increase parts 25; And two end bars 26 that extend internally forward or backward from the left end of side slat 23 respectively with being integral with it, the inner end of this end bar respectively the leading flank of central strip 24 and the trailing flank place leans against and soldering on the left end of central strip 24.Two side slats 23, central strip 24 and two end bar 26 solderings are on upper and lower flat 19,21.The left part of central strip 24 two flats 19,21 in the part place soldering between two through holes 16,17 on these two flats 19,21.The cut predetermined length in the right part of central strip 24 is to form connected component 18.Two heat transfer areas increase the cut designated length in left part of part 25 so that form through hole, each through hole 16,17 in this through-hole alignment flat 19,21.Tunnel-shaped becomes the side slat 23 of body 22 to form the front and rear wall part 12b of perisporium 12, and the end bar 26 of body 22 forms the left side wall part 12c of perisporium 12.
With reference to Fig. 4, heat transfer area increases part 25 and comprises a plurality of wavy battens 27, each wavy batten comprises that wavy batten 27 is interconnected into integral piece along the fore-and-aft direction setting and by horizontal component 27c along laterally being arranged alternately and 27a of the portion that is bent upwards and down-turned portion 27b by horizontal component 27c interconnection of part 25.In every pair of adjacent wavy batten 27 of part 25, the 27a of the portion that is bent upwards of a wavy batten is along the 27a of the portion that is bent upwards of another batten of lateral run-out of part 25, and the down-turned portion 27b of a wavy batten is along those down-turned portion 27b of another batten of lateral run-out.Increase each wavy batten 27 of part 25 for heat transfer area, between horizontal adjacent 27a of the portion that is bent upwards in every pair of edge and down-turned portion 27b, has horizontal component 27c, and the every pair of adjacent wavy batten 27 in front and back is bonded with each other at horizontal component 27c place, but does not always need to provide horizontal component 27c.In every pair of adjacent wavy batten 27, the part that the 27a of the portion that is bent upwards in a batten extends to down-turned portion 27b extends across the position of the same section of another batten, and two battens can be bonded with each other together at these part places.
Tunnel-shaped becomes body 22 to make in the mode shown in Fig. 5 and 6.Make passage and form base substrate 29, the form of each base substrate is the aluminium extrudate, and each base substrate 29 comprises: two straight side slats 23 that are provided with at certain intervals and extend along left and right directions along fore-and-aft direction; Between these two side slats 23 and with they isolated central strip 24, this central strip is extended along left and right directions; And two the flat part 28[at middle part that are integrally formed into and are arranged on these height between central strip 24 and each side slat 23 with these see Fig. 5 (a) and 6 (a)].The left side of the central strip 24 of each base substrate 29 and the cut designated length of right side opposed end then, and the cut certain-length in left part of each in two flat parts 28 of this base substrate, this length is greater than the cut length in the left part of central strip 24 [seeing Fig. 5 (b) and 6 (b)].Subsequently, two flat parts 28 of this base substrate are carried out pressure processing and see Fig. 5 (c) and 6 (c)] to form heat transfer area increase part 25[.After this, the left part of the side slat 23 of base substrate is curved inwardly to the left or to the right, so that the inner end of side slat 23 leans against respectively on the leading flank and trailing flank of central strip 24 [seeing Fig. 5 (d)], and with this inner end soldering on central strip 24, thereby form two end bars 26.Like this, make tunnel-shaped and become body 22.When with after a while with the mode manufacturing cell formula heat exchanger 1 of explanation the time, the brazing material of the fusion that the inner end utilization of end bar 26 discharges from flat 19,21 when fusion and soldering are on central strip 24.
As shown in Figure 2, when seeing from above, two vertical through hole of the front and rear of each connectedness 3 31,32 are positioned to two through holes 16,17 of the upper and lower wall 11 of flat hollow body part 2 and aim at mutually, so that be communicated with these holes 16,17.The front side portion of the front side portion of the leading section of all flat hollow body part 2 and all connectednesses 3 forms inlet header 33A (see figure 8).In inlet header 33A, the left part of the front channels 13 of all flat hollow body part 2 is communicated with the anterior vertical through hole 31 of all connectednesses 3 by the anterior through hole 16 of upper and lower wall 11.The rear lateral portion of the rear lateral portion of the rearward end of all flat hollow body part 2 and all connectednesses 3 forms outlet header 33B (see figure 8).In outlet header 33B, the left part of the rear channels 14 of all flat hollow body part 2 is communicated with the posterior vertical through hole 32 of all connectednesses 3 by the rear through hole 17 of upper and lower wall 11.
The upper end open of two vertical through hole 31,32 of connectedness 3 of upside of left part that is arranged on the flat hollow body part 2 of oil cooler 1 upper end is sealed by upper side panel 9.
With reference to Fig. 7, the left end part left along bottom side plate 8 of inlet-outlet member 7 has two vertical through hole of front and rear 34,35, and this vertical through hole is communicated with each through hole 16,17 of the diapire 11 of the flat hollow body part of the bottom that is positioned at cooler 1 respectively.These through holes 34,35 have inner rim 34a, the 35a of inner threaded.
As shown in Figure 2, the transverse width of distance piece 4 becomes the length of cut part of the central strip of body 22, the i.e. lateral length of connected component 18 greater than tunnel-shaped.Distance piece 4 also has a plurality of holes 36, and these a plurality of holes extend through this distance piece also along laterally being arranged side by side along fore-and-aft direction.
Make oil cooler 1 by forming sub-assembly, each sub-assembly comprises a pair of flat of being made by aluminium soldering sheet material 19,21 and be arranged on this tunnel-shaped between flat is become body 22, above another, settle this sub-assembly abreast for one at certain intervals, connectedness 3 is set so that allow two through holes 31 between the left part of every pair of adjacent set component, 32 with flat 19, each through hole 16 of 21,17 are communicated with, distance piece 4 is set between the right part of every pair of adjacent set component, and between connectedness 3 and distance piece 4, wave-shaped fins 6 is being set between every pair of adjacent set component, lower end at formed assembly will enter the mouth-outlet member 7, distance piece 4, wave-shaped fins 6 and bottom side plate 8 are arranged on the sub-assembly below, in assembly upper end with connectedness 3, distance piece 4, wave-shaped fins 6 and upper side panel 9 are arranged on the upside of sub-assembly, use suitable device to locate formed assembly, and weld this assembly together.At this moment, each tunnel-shaped becomes the end bar 26 of body 22 to use the fusion brazing material soldering that discharges from flat 19,21 when fusion to become on the central strip 24 of body in this tunnel-shaped.
For above-mentioned oil cooler 1, shown in the arrow Y in Fig. 8, high temperature oil flows into inlet header 34A by the anterior vertical through hole 34 of inlet-outlet member 7, and it is mobile to the right with the front channels 13 by this flat hollow body part to dividedly flow into all flat hollow body part 2 then, flow into rear channels 14 via connected component 18, flow into outlet header 33B left by rear channels 14 then, and flow out by the posterior vertical through hole 35 of inlet-outlet member 7.When front channels 13 that flows through all flat hollow body part 2 and rear channels 14, oil with have low temperature and (see arrow X) forward and flow through that air carries out heat exchange by the cooling air in gap 5.At this moment, oil also cools off by distance piece 4, thereby can improve refrigerating efficiency.
Have under the situation of high pressure at the oil that in flat hollow body part 2, flows, the upper and lower wall 11 of hollow body part 2, be upper and lower flat 19,21 do not have the part of soldering on the middleware 24 that is adjacent, the part corresponding to connected component 18 of plate 19,21 just, very big outside power will be subjected to, but such power is spaced apart part 4 and receives, and can prevent that like this upper and lower wall 11 from being that upper and lower flat 19,21 outwards expands.
In previous embodiment, as shown in Figure 9, the inner peripheral surface that the qualification of distance piece 4 extends through the hole 36 of this distance piece has a plurality of spines 40 of extending along fore-and-aft direction.These spines 40 make the distance piece 4 and the heat transfer area of cold air stream increase, with the refrigerating efficiency that obtains further to improve.Replace spine 40 or except spine 40, can in the inner peripheral surface of limiting hole 36, form a plurality of grooves that extend along fore-and-aft direction.
In the foregoing description, the transverse width of distance piece 4 becomes the length of cut part of the central strip 24 of body 22 greater than tunnel-shaped, i.e. the lateral length of connected component 18, but this is not restrictive; The transverse width of distance piece 4 can be less than the transverse width of connected component 18.For example, even the transverse width of distance piece 4 is than the little certain amount of transverse width of connected component 18, this amount becomes the 27a of bend up or down of the waveform batten 27 of body 22, the transverse width of 27b corresponding to tunnel-shaped, can prevent that still upper and lower wall 11 from being that upper and lower side plate 19,21 outwards expands.
Although at the oil cooler that is used for compressor, this application is not restrictive according to the foregoing description heat exchanger of the present invention; Heat exchanger can be used as aftercooler or the radiator that is used for load compressor, gas-turbine compressor, railroad vehicle compressor etc.In addition, aftercooler or the radiator with suitable constructions can be assembled into an integral body with the oil cooler that comprises heat exchanger of the present invention.
Heat exchanger of the present invention can be used as such oil cooler, the oil that uses in the hydraulic means of crane that this oil cooler cooling of tool machine or be used for uses separately or deck crane, crane truck, excavator etc.
Commercial Application
The invention provides a kind of industrial machine for example compressor, toolroom machine and hydraulic means of for example being used as The heat exchanger of oil cooler, aftercooler, radiator etc.
Claims (13)
1. heat exchanger, this heat exchanger comprises: a plurality of flat hollow body part that is provided with abreast above another and extends along left and right directions at certain intervals; Be arranged on every pair of connectedness between the adjacent flat hollow body part left part, this connectedness is used to keep every pair of adjacent hollow body part to be interconnected by this connectedness; Be arranged on the distance piece of every pair of bulk form between the adjacent flat hollow body part right part; Each flat hollow body part comprises along the top flat wall and the bottom flat wall of left and right directions elongation, make top wall and lower part wall perisporium in their periphery interconnection, and the partition walls that the inside of hollow body part are divided into two straight channel of extending along left and right directions, the left part of each top wall and lower part wall is provided with two along the isolated through hole of fore-and-aft direction in its front and rear zone that is positioned at the partition wall opposite side respectively, these two through holes are used to make each passage to be communicated with connectedness by it, the right part of partition wall is cut to keep described two passages to be interconnected by this cut part, described distance piece has along fore-and-aft direction and extends through wherein through hole, and the cut part of the partition wall of this distance piece and flat hollow body part is settled accordingly.
2. heat exchanger according to claim 1 is characterized in that, the left and right sides width of distance piece is greater than the cut part of the partition wall length along left and right directions.
3. heat exchanger according to claim 1 is characterized in that distance piece has a plurality of holes, and these a plurality of holes extend through distance piece and are arranged side by side along left and right directions along fore-and-aft direction.
4. heat exchanger according to claim 1 is characterized in that distance piece has inner peripheral surface, and this inner peripheral surface limiting hole also has along a plurality of spines and/or the groove of the longitudinal extension in hole.
5. heat exchanger according to claim 1, it is characterized in that, each flat hollow body part comprises along left and right directions elongation and two flats in a upper and lower that is provided with above another at certain intervals, and be arranged between these two flats and soldering tunnel-shaped thereon becomes body, this tunnel-shaped becomes body to comprise: two straight side slats, this side slat are arranged between top flat and the bottom flat and along left and right directions in the front and rear side edge of top flat and bottom flat respectively and extend; Between two side slats and with they isolated central strip, this central strip is extended along left and right directions; Two heat transfer areas at middle part that are integrally formed into and are arranged on these height between central strip and each side slat with these increase parts; And two end bars that extend internally forward or backward from the left end of side slat respectively with being integral with it, the inner end of this end bar respectively the leading flank of central strip and the trailing flank place leans against and the left end of soldering in central strip on; The right part of central strip is cut, the left part of two heat transfer area increase parts is cut, the left part of each in top flat and the bottom flat forms two through holes respectively in its front and rear zone that is positioned at the central strip opposite side, top flat and bottom flat form top wall and lower part wall respectively, the right part separately of top flat and bottom flat is relatively crooked, this crooked end overlaps also soldering mutually together to form the right wall part of perisporium, tunnel-shaped becomes two side slats of body to form the front and rear sidewall sections of perisporium, and tunnel-shaped becomes the end bar of body to form the left wall part of perisporium.
6. heat exchanger according to claim 5 is characterized in that, top flat and bottom flat are made by aluminium soldering sheet material, and tunnel-shaped becomes body to comprise the aluminium extrudate.
7. one kind comprises the industrial machine according to each described heat exchanger in the claim 1 to 6, and this heat exchanger is as oil cooler.
8. one kind comprises the industrial machine according to each described heat exchanger in the claim 1 to 6, and this heat exchanger is as aftercooler.
9. method of making heat exchanger according to claim 1 is characterized in that:
The preparation passage forms base substrate, and each base substrate comprises: two straight side slats that are provided with at certain intervals and extend along left and right directions along fore-and-aft direction; Between these two side slats and with they isolated central strip, this central strip is extended along left and right directions; And two the flat parts at middle part that between central strip and each side slat, are integrally formed into and are arranged on these height with these; Preparation is along the paired top flat and the bottom flat of left and right directions elongation, and preparation respectively has along the connectedness of spaced apart and vertically extending two through holes of fore-and-aft direction, and preparation respectively has along the distance piece in the hole of fore-and-aft direction by wherein,
Make like this tunnel-shaped with each base substrate and become body: left side and the right side opposed end of the central strip of excision base substrate; The left part of each flat part of excision base substrate; The length of the flat left part of excision is greater than the length of the left part of the central strip of excision; Two flats to base substrate partly carry out pressure processing to form heat transfer area increase part; And the left part of the side slat of base substrate curved inwardly to the left or to the right; So that the inner end of side slat leans against respectively on the leading flank of central strip and the trailing flank to form the end bar
The right part that makes every pair of top flat and bottom flat is relatively crooked forming bend, and each flat left part wait to be placed in two through holes of formation in the zone on the front and rear opposite side of central strip,
Make a plurality of sub-assemblies, each sub-assembly comprises that formed paired top flat and bottom flat and the tunnel-shaped that is arranged on therebetween become body, above another, settle sub-assembly abreast for one at certain intervals, between each left part, each connectedness is set so that allow two through holes to be communicated with each through hole of each flat to the adjacent set component, each distance piece is set between the right part of every pair of adjacent set component, and fin is positioned between every pair of connectedness and distance piece between the adjacent set component, and
Every pair of top flat and bottom flat soldering are being become the tunnel-shaped between the flat on side slat, central strip and the end bar of body at this, with the inner end soldering of end bar on central strip, and with the mutual soldering of the bend of every pair of flat together, and further with each flat soldering on the connectedness that is adjacent, distance piece and fin.
10. the method for manufacturing heat exchanger according to claim 9, it is characterized in that, each flat is made by aluminium soldering sheet material, each connectedness, distance piece and passage form base substrate and are made by the aluminium extrudate, fin is made by thin aluminum sheet, and the brazing material that discharges from flat when utilizing fusion carries out soldering.
11. the method for manufacturing heat exchanger according to claim 9 is characterized in that, the left and right sides width of distance piece forms the right part of central strip of base substrate along the cut length of left and right directions greater than passage.
12. the method for manufacturing heat exchanger according to claim 9 is characterized in that, each distance piece has along fore-and-aft direction and extends through wherein hole.
13. the method for manufacturing heat exchanger according to claim 9 is characterized in that, each distance piece has inner peripheral surface, and this inner peripheral surface limiting hole also has the spine and/or the groove of a plurality of longitudinal extensions along the hole.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003423983 | 2003-12-22 | ||
| JP423983/2003 | 2003-12-22 | ||
| US60/532,905 | 2003-12-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1894553A CN1894553A (en) | 2007-01-10 |
| CN100414245C true CN100414245C (en) | 2008-08-27 |
Family
ID=37598254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800373995A Expired - Fee Related CN100414245C (en) | 2003-12-22 | 2004-12-22 | Heat exchanger and process for fabricating same |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20070074859A1 (en) |
| CN (1) | CN100414245C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9759495B2 (en) * | 2008-06-30 | 2017-09-12 | Lg Chem, Ltd. | Battery cell assembly having heat exchanger with serpentine flow path |
| US9182175B2 (en) | 2011-12-01 | 2015-11-10 | The Boeing Company | Anti-icing heat exchanger |
| US9074829B2 (en) * | 2011-12-01 | 2015-07-07 | The Boeing Company | Lightweight high temperature heat exchanger |
| DE102012006346B4 (en) * | 2012-03-28 | 2014-09-18 | Modine Manufacturing Co. | heat exchangers |
| US10690421B2 (en) | 2012-03-28 | 2020-06-23 | Modine Manufacturing Company | Heat exchanger and method of cooling a flow of heated air |
| CN110160379A (en) * | 2019-05-31 | 2019-08-23 | 胡志鹏 | Heat exchanger core and gas fired-boiler |
| US12025387B2 (en) * | 2019-08-06 | 2024-07-02 | Meggitt Aerospace Limited | Turning vanes and heat exchangers and methods of making the same |
| FR3114873B1 (en) * | 2020-10-07 | 2022-11-18 | Valeo Systemes Thermiques | Device for thermal regulation, in particular for cooling, for a motor vehicle |
| CN115183272B (en) * | 2022-06-02 | 2023-09-19 | 中国航发四川燃气涡轮研究院 | Multi-point injection combustion chamber with widened temperature rise range |
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| JPS5524673U (en) * | 1978-08-04 | 1980-02-18 | ||
| JPH0356276U (en) * | 1989-10-02 | 1991-05-30 | ||
| JPH0989477A (en) * | 1995-09-21 | 1997-04-04 | Showa Alum Corp | Manufacture of heat exchanger |
| JPH10122771A (en) * | 1996-10-16 | 1998-05-15 | Showa Alum Corp | Lamination type heat exchanger |
| JP3056276U (en) * | 1998-07-29 | 1999-02-12 | 東洋ラジエーター株式会社 | Oil cooler |
| CN1286393A (en) * | 2000-07-28 | 2001-03-07 | 山东厚丰汽车散热器有限公司 | Built-in plate-fins machine oil cooler made of aluminium |
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| US5111877A (en) * | 1991-07-01 | 1992-05-12 | General Motors Corporation | Multi-tube heat exchanger with mechanically interlocked tubes formed from mechanically interlocked plates |
| JP2887460B2 (en) * | 1995-11-30 | 1999-04-26 | 株式会社ゼクセル | Stacked heat exchanger |
| FR2748100B1 (en) * | 1996-04-30 | 1998-06-05 | Valeo Climatisation | STACKED PLATE HEAT EXCHANGER, ESPECIALLY EVAPORATOR FOR AIR CONDITIONING CIRCUIT |
| DE69720506T2 (en) * | 1996-12-05 | 2004-03-04 | Showa Denko K.K. | Heat Exchanger |
| JPH10281691A (en) * | 1997-03-31 | 1998-10-23 | Zexel Corp | Lamination type heat exchanger |
| CA2381214C (en) * | 2002-04-10 | 2007-06-26 | Long Manufacturing Ltd. | Heat exchanger inlet tube with flow distributing turbulizer |
| AU2003269494A1 (en) * | 2002-10-11 | 2004-05-04 | Showa Denko K.K. | Flat hollow body for passing fluid therethrough, heat exchanger comprising the hollow body and process for fabricating the heat exchanger |
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2004
- 2004-12-22 CN CNB2004800373995A patent/CN100414245C/en not_active Expired - Fee Related
- 2004-12-22 US US10/580,408 patent/US20070074859A1/en not_active Abandoned
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5524673U (en) * | 1978-08-04 | 1980-02-18 | ||
| JPH0356276U (en) * | 1989-10-02 | 1991-05-30 | ||
| JPH0989477A (en) * | 1995-09-21 | 1997-04-04 | Showa Alum Corp | Manufacture of heat exchanger |
| JPH10122771A (en) * | 1996-10-16 | 1998-05-15 | Showa Alum Corp | Lamination type heat exchanger |
| JP3056276U (en) * | 1998-07-29 | 1999-02-12 | 東洋ラジエーター株式会社 | Oil cooler |
| CN1286393A (en) * | 2000-07-28 | 2001-03-07 | 山东厚丰汽车散热器有限公司 | Built-in plate-fins machine oil cooler made of aluminium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1894553A (en) | 2007-01-10 |
| US20070074859A1 (en) | 2007-04-05 |
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