CN1761854A - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
- Publication number
- CN1761854A CN1761854A CN 200480007648 CN200480007648A CN1761854A CN 1761854 A CN1761854 A CN 1761854A CN 200480007648 CN200480007648 CN 200480007648 CN 200480007648 A CN200480007648 A CN 200480007648A CN 1761854 A CN1761854 A CN 1761854A
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- China
- Prior art keywords
- straight sections
- fin
- engaging groove
- fin member
- main body
- Prior art date
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A heat exchanger having excellent heat exchanging performance is obtainable by a simple production technique and at a low cost. This is achieved by providing a fin member and by increasing heat conductivity between the fin member and a meandering tube body. Further, the heat exchanger is made compact for high degrees of layout freedom, enabling the heat exchanger to be installed in a tight space. Engagement grooves (8) are provided in both end surfaces (6, 7), which are opposite to each other, of a fin member (5) in which fins (4) are parallelly arranged. Straight tube sections (2) are parallelly arranged, with gaps (16) in between, in the engagement grooves (8) of the fin member (5). The straight tube sections (2) are connected at bent sections (3). A pair of meandering sections (11, 12) is arranged opposite to each other with an insertion gap (17) of the fin member (5) in between. One (11) of the meandering sections and the other meandering section (12) are connected by a connection tube (13) to form a meandering tube main body (1). The straight tube sections (2) of the one meandering section (11) are arranged in the engagement grooves (8) in the one end surface (6) of the fin member (5) inserted and arranged in the insertion gap (17) between the one meandering section (11) and the other meandering section (12) of the meandering tube body (1), and the straight tube sections (2) of the other meandering section (12) are arranged and fixed in the engagement grooves (8) in the other end surface (7).
Description
Invention field
The present invention relates to automobile usefulness and the general industry fluid cooling tube of cartridge and machine oil pipe etc., EGR gas quench system, regulate air conditioner and other heat exchanger of living space humiture, its purpose is by simple manufacturing technology and technology, just the heat exchanger that can cheap obtain having the excellent heat switching performance.
Background technology
Up to now, exist automobile with and general industry with fluid cooling tube, the EGR gas quench system of cartridge and machine oil pipe etc., regulate air conditioner and other heat exchanger of living space humiture.For example, shown in patent documentation 1, on the automobile fuel pipe, connecting fuel cooler, the oil plant that flows in cartridge etc. is being cooled off with jar of holding cooling water, used for automobile air conditioning refrigerant or other refrigerant fluid etc.But, on Diesel engine etc., because cartridge is arranged under the base plate, just jar etc. to be arranged under this narrow base plate quite difficulty, be difficult to cool off by refrigerant fluid, shown in patent documentation 2～5, mostly adopt by and atmosphere between the air cooling heat exchanger that cools off of heat exchange.
In this patent documentation 2,3, perhaps the periphery at tube body sets the banded fin member of spirality metal system, perhaps sets tabular fin (fin) member radially.In addition, in patent documentation 4, on metal a plurality of thin plate fins such as aluminium, insert too much root straight tube, press mandrel in tube body is expanded by making this straight tube, and the fin member is pressed abd fixed on the straight tube periphery.And then by connect the mutual end of adjacent straight tube with the U-shaped breather pipe, the whole pipe range of extension pipe main body improves heat exchange performance.
In above-mentioned patent documentation 2～patent documentation 4, all be by the fin member, with the heat bulk storage of the oil plant that flows in the tube body etc. in atmosphere, to carry out the cooling of oil plant.In addition, use as the thin plate fin of patent documentation 4, be not only cartridge, on radiator or indoor apparatus of air conditioner etc., be used also more.
In addition, patent documentation 5 is in electronic equipments such as electronic computer, is used to cool off the radiator (heat sink) of semiconductor etc., and it is by the aluminium die cast, outstanding a plurality of fins being set, to improve the heat dissipation characteristics of radiator.Also exist and utilize this method, give prominence to the heat exchanger that a plurality of fin are set by the aluminium die cast in the periphery of cartridge or machine oil pipe etc.
Patent documentation 1: TOHKEMY 2001-200765 communique
Patent documentation 2: Japanese kokai publication hei 9-42573 communique
Patent documentation 3: TOHKEMY 2002-364476 communique
Patent documentation 4: TOHKEMY 2003-88924 communique
Patent documentation 5: TOHKEMY 2002-64170 communique
But on the tube body of patent documentation 2 or 3, owing to have helical form or radial fin member, when bending machining, the bending of small curvature radius is difficulty, and volume increases, and is difficult to be provided in narrow base plate under or the back side of installing etc.In addition, in patent documentation 4, the intensity of each thin plate fin existing problems are forming when inserting through hole or tube body inserts when connecting, and cause the distortion or the breakage of thin plate fin easily, must careful operation, quite expend time.In addition, the pattern of through tube main body is inserted in utilization in this thin plate fin, want tube body of bending machining and be inserted into perforation, this is difficulty quite, as previously mentioned, after insert connecting many straight tubes, by interconnecting the end of adjacent straight tube with the U-shaped breather pipe, by welding or the fixing connecting portion of straight sections and U-shaped breather pipe such as soldering.But owing to have thin plate fin or three-dimensional shape, so operation such as welding or soldering and being not easy, the leak detection of this connecting portion etc. also is difficult to carry out.In addition, in the fin member by the aluminium die cast of patent documentation 5, because the fin thick component is restricted the lightweight of heat exchanger or miniaturization, place is set for it or purposes is limited to.
Summary of the invention
For solving aforesaid problem, the present invention is by simple manufacturing technology and less production process, neither can produce the breakage of fin member etc., can easily make the air cooling heat exchanger that need not refrigerating fluid storage tank etc. by simple technology or operation again, seek to boost productivity, obtain cheap product.In addition, owing to improved the fluid of tube body internal flow and the contact frequency of heat-transfer area, heat exchange performance is improved, therefore, can make the pipe range of the tube body in the heat exchanger form longlyer, and, even under the situation of the pipe range that extends in this wise, volume is increased, can obtain the product of compact light weight.
The present invention is in order to solve aforesaid problem, and the structure of the 1st invention has: the fin member, and make a plurality of fins arranged side by side, a plurality of engaging grooves at regular intervals be arranged in parallel on opposed both ends of the surface; And coil main body, it separates opposed interval, dispose the interior a plurality of straight sections of engaging groove that are used to be provided in this fin member abreast, the insertion gap that separates the fin member, arranged opposite a pair of portion of crawling that is connected these a plurality of straight sections by bending part mutually, simultaneously, connect this opposed side portion and the opposing party portion of crawling of crawling by tube connector.Crawl in the insertion gap of the fin member that forms between the portion crawl portion and the opposing party of a side of this coil main body, insertion sets the fin member, in the engaging groove of an end face of this fin member, set the crawl straight sections of portion of a side, in the engaging groove of another end face, set the crawl straight sections of portion of fixing the opposing party.
In addition, the structure of the 2nd invention has: a plurality of fin members, and they are set in parallel in a plurality of engaging grooves on the opposed both ends of the surface of a plurality of fins arranged side by side at regular intervals; And coil main body, it separates the insertion gap of fin member, dispose the interior a plurality of straight sections of engaging groove that are used to be provided in this fin member abreast, separate opposed interval, arranged opposite a pair of portion of crawling that is connected these a plurality of straight sections by bending part mutually, simultaneously, connect this opposed side portion and the opposing party portion of crawling of crawling by tube connector.Crawl portion and the opposing party of one side of this coil main body crawled the opposed straight sections of portion as a pair of, in the insertion gap of adjacent many a plurality of fin members that hierarchically form between to straight sections, stride across side portion and the opposing party portion of crawling of crawling, insert respectively and set the fin member, in the engaging groove of an end face of this fin member, set a side straight sections, in the engaging groove of another end face, set fixedly the opposing party's straight sections.
In addition, to side portion and/or the opposing party portion of crawling of crawling, also can be at the outside of its opposed portion configuration fin member, in the engaging groove of this fin member, set and the fixing outer surface of straight sections.
In addition,, also can set the fin member, in the engaging groove of this fin member, set and fix the outer surface of this straight sections in many at least one sides' to the straight sections that is disposed at both ends in the straight sections outside to side portion and the opposing party portion of crawling of crawling.
In addition,, also can form,, the engaging groove is set in the opposed two ends of each tabular fin outer rim by setting the tabular fin of polylith side by side to the fin member.
In addition,, also can form, on the opposed both ends of the surface of folding surface one side of this corrugated fin, the engaging groove is set by the corrugated fin that sheet material is bent into corrugated to the fin member.
In addition,, also can form, on the opposed both ends of the surface of non-folding surface one side of this corrugated fin, the engaging groove is set by the corrugated fin that sheet material is bent into corrugated to the fin member.
In addition, to the engaging groove, also fin members can be cut and be divided into concavity and form.
In addition, to the engaging groove, also can make fin members crimp is that concavity forms.
In addition, the concavity crimp of fin member also can be carried out like this, follows this crimp, makes the side-prominent expansion flange of each fin two near each other or butt each other.And make this expansion flange carry out face to contact with the outer peripheral face of coil main body.
In addition, to the coil main body, also straight sections can be pressed in the engaging groove, wherein straight sections forms wideer than the formation width of engaging groove.
In addition, to the coil main body, also straight sections can be formed the cross section is flat pattern, and it is narrower than the formation width of engaging groove that flat minor axis portion is formed, and simultaneously, it is wideer than the formation width of engaging groove that flat length-diameter part is formed, make length-diameter part be positioned at the bottom and the peristome direction of engaging groove, after being provided in this pancake straight sections in the engaging groove, this straight sections is carried out expander, its outer peripheral face is fitted in the engaging groove.
In addition, to the coil main body, the crawl straight sections of portion of the straight sections of the portion of also a side can being crawled and the opposing party is bent into arcuation, and opposed faces is protruded to the inside, by clamping close device, the straight sections that is bent into this arcuation is engaged in the engaging groove point-blank.
In addition, to the coil main body, also can grip a side the crawl opposed bend of portion of portion and the opposing party that crawls with clamping components.
In addition, be provided in a side the crawl fin member of portion outside of portion and/or the opposing party that crawls, also can grip with clamping components.
In addition, to coil main body and fin member, in straight sections being set the engaging groove after, also can be in mutual contact site the filling molten resin material, it is bonded to each other together.
In addition, to the coil main body, also can set the resin coating rete at its outer peripheral face.
In addition, the resin coating rete that is provided in coil main body outer peripheral face also can be the thermoplastic resin material, in straight sections being set the engaging groove after, make its fusing by heating, resin coating rete fusing is bonded in the engaging groove of fin member.
In addition, to coil main body and fin member, straight sections is set the engaging groove in after, also can apply processing to its outer surface.
In addition, also can be by crawl tube connector between the portion of the side after the configured in parallel straight sections is crawled portion and the opposing party, reverse along circumferencial direction with respect to the direction of principal axis of straight sections, a side is crawled, and interval that portion and the opposing party crawl between the portion is narrower.
In addition, the coil main body also can dispose like this, make a side a crawl side the straight sections side direction foreign side bending of the tube connector between the portion of portion and the opposing party of crawling, simultaneously, by the direction of principal axis of tube connector with respect to straight sections reversed along circumferencial direction, one side is crawled, and interval that portion and the opposing party crawl between the portion is narrower, and, dispose a side the crawl straight sections of portion of portion and the opposing party of crawling in parallel to each other.
In addition, to the fin member, also can each fin end side of bending, and the inclined plane is set.
In addition, to the fin member, also can on each fin, form a plurality of openings.
The effect of invention
Because the present invention has structure as mentioned above, in the engaging groove that on the opposed both ends of the surface of fin member, is arranged with, the straight sections of engaging coil main body, form heat exchanger, therefore with as existing, the tube body insertion is passed the situation of the through hole of fin member and compares, manufacturing is more prone to, the breakage of fin member also is difficult to take place, can improve durability of products, simultaneously, can easily make.In addition,, can suppress manufacturing cost, become cheap product by simplifying manufacturing technology or manufacturing process etc.In addition, owing to make crawling of pipe, increase pipe range, prolong the duct length that flows through inner fluid, therefore improved the contact frequency of this internal flow and heat-transfer area, by the heat-transfer area and the fin member of this tube body, make the heat release efficiently and the heat absorption of internal flow and external fluid become possibility, can obtain the heat exchanger of heat exchange performance excellence.In addition,, can obtain that the direction volume is not dilatable in length and breadth by the use of this coil main body, the product of densification, become can be configured in car body base plate down or the configuration free degree high product in narrow place such as the back side of device.
Description of drawings
Fig. 1 is the stereogram of the heat exchanger of embodiment 1.
Fig. 2 is provided with a side the crawl plane of coil main body of portion of portion and the opposing party that crawls.
Fig. 3 is arranged on the crawl stereogram of state of portion of the opposing party with cooling fin component.
Fig. 4 is an expression bending tube connector, a side portion of crawling is configured in the stereogram of process of an end face side of cooling fin component.
Fig. 5 is the amplification profile along the A-A line of Fig. 2.
Fig. 6 is the amplification profile that engages groove and be provided in the straight sections in this engaging groove.
Fig. 7 is near the amplification profile the boundary of straight sections and bending part of the coil main body of embodiment 2.
Fig. 8 is the amplification profile after the straight sections with the coil main body of embodiment 3 is provided in the engaging groove.
Fig. 9 be with the straight sections expander and force to be fitted to the engaging groove after the amplification profile of state.
Figure 10 is the stereogram of the heat exchanger of embodiment 4.
Figure 11 is the stereogram of the heat exchanger of embodiment 5.
Figure 12 is the stereogram of the heat exchanger of embodiment 6.
Figure 13 is the partial perspective view of the fin member of embodiment 7.
Figure 14 is the engaging groove of cooling fin component of Figure 13 and the amplification profile that sets straight sections wherein.
Figure 15 is the profile along the B-B line of Figure 14.
Figure 16 is the profile of the heat exchanger of embodiment 8.
Figure 17 is the plane of Figure 16.
Figure 18 is the stereogram of the heat exchanger of embodiment 9.
Figure 19 is the profile of the heat exchanger of embodiment 10.
Figure 20 is the plane of Figure 19.
Figure 21 is the amplification profile that is provided with the part of the straight sections on the coil main body of embodiment 11 of jog.
Figure 22 is the stereogram of the heat exchanger of embodiment 15.
Figure 23 is the side of embodiment 15 the crawl stereogram of portion of portion and the opposing party that crawls.
Figure 24 is the bending machining tube connector, makes a side crawl portion and the opposing party the crawl stereogram and the plane of the opposed state of portion.
Figure 25 reverses tube connector, makes a side crawl portion and the opposing party the crawl stereogram and the plane of the coil main body under the narrower state in the opposed interval of portion and the stereogram of cooling fin component.
Figure 26 is the local amplification stereogram of the heat exchanger of embodiment 16.
Figure 27 is the stereogram of the cooling fin component that uses in the heat exchanger of embodiment 17.
Figure 28 is the stereogram of the cooling fin component that uses in the heat exchanger of embodiment 18.
Symbol description
1 ... the coil main body
2 ... straight sections
3 ... bending part
4 ... fin
5 ... cooling fin component
6 ... an end face
7 ... another end face
8 ... the engaging groove
11 ... the one side portion of crawling
12 ... the opposing party portion of crawling
13 ... tube connector
14 ... folding surface
16 ... opposed interval
17 ... insert the gap
18 ... clip (clamping components of the present invention)
20 ... substrate (clamping components of the present invention)
21 ... bolt (clamping components of the present invention)
22 ... bolt (clamping components of the present invention)
23 ... opening
24 ... the expansion flange
25 ... cooling fin component
26 ... fixed band (clamping components of the present invention)
27 ... flange (clamping components of the present invention)
34 ... the inclined plane
The specific embodiment
Below, the embodiment to the heat exchanger in first, second invention of the application utilizes accompanying drawing to be described in detail.Embodiment 1～8th, and with the application's the relevant embodiment of first invention, embodiment 9～10th, with the application's the relevant embodiment of second invention.Fig. 1 is the stereogram of the heat exchanger of embodiment 1, crawls between the portion in the formed insertion gap crawl portion and the opposing party of a side, is equipped with cooling fin component.Fig. 2～Fig. 6 represents the manufacturing process of the heat exchanger of embodiment 1, and Fig. 2 is the plane that forms the coil main body after a pair of portion of crawling by axial symmetry.In addition, Fig. 3 is arranged on the opposing party with cooling fin component to crawl in the portion, and in the engaging groove of the other end of this cooling fin component, sets crawl stereogram after the straight sections of portion of the opposing party.Fig. 4 is an expression bending tube connector, and a side portion of crawling is provided in the stereogram of process of an end face side of cooling fin component.In addition, Fig. 5 is the amplification profile along the A-A line of Fig. 2, and the expression cross sectional shape is that oval-shaped straight sections and cross sectional shape are near the situation the boundary of circular bending part.Fig. 6 is engaging groove and the amplification profile that is provided in the straight sections in this engaging groove, (a) is illustrated in to insert in the highly darker engaging groove of formation to set the figure that Lower Half that whole straight sections, (b) be illustrated in placement straight sections in the highly more shallow engaging groove of formation sets.In addition, Fig. 7 is near the amplification profile of the coil main body boundary of straight sections and bending part of embodiment 2, is the figure after the pancake straight sections that will be separately forms and circular bending part are connected and fixed.In addition, Fig. 8 sets the amplification profile of engaging behind the groove with the straight sections among the embodiment 3.Fig. 9 is the amplification profile of the state after making the straight sections expander and forcing to be fitted to the engaging groove.
In addition, Figure 10 is the stereogram of the heat exchanger of embodiment 4, and its straight sections and bending part with the coil main body is shaped to the flat pattern that cross sectional shape is a rectangle.In addition, Figure 11 is the stereogram of the heat exchanger of embodiment 5, and its cooling fin component disposes the back side by side with plate-shaped fin and forms.Figure 12 is the stereogram of the heat exchanger of embodiment 6, and it has a plurality of openings on each fin of cooling fin component, so that the mobile formation turbulent flow of external fluid.In addition, Figure 13 is the partial perspective view of the cooling fin component of embodiment 7.Figure 14 is in the engaging groove of the cooling fin component of Figure 13, sets the amplification profile of the state after the straight sections, and Figure 15 is the profile along the B-B line of Figure 14.In addition, Figure 16 is the profile of the heat exchanger of embodiment 8, also sets cooling fin component in the crawl outside of portion of a side, and utilizes fixed component, and this cooling fin component is fixed on the coil main body.Figure 17 is the plane of the heat exchanger of embodiment 8.
In addition, Figure 18 is the stereogram of the heat exchanger of embodiment 9, in a plurality of insertions gap that hierarchically forms between adjacent straight sections, sets each cooling fin component respectively.And Figure 19 is the profile of the heat exchanger of embodiment 10, sets each cooling fin component in its insertion gap between straight sections, simultaneously, outside in a pair of straight sections topmost also sets cooling fin component, and utilizes fixed component to be fixed on the coil main body.Figure 20 is the plane of the heat exchanger of embodiment 10.In addition, Figure 21 is the amplification profile of the part of the straight sections when on each coil main body jog being set.
In addition, in Fig. 6, Fig. 8, Fig. 9, Figure 14, be illustrated among the embodiment 12～14 with double dot dash line, when filling molten resin material in the contact site of engaging groove and straight sections and mutual bonding, the coil main body and the cooling fin component that perhaps will be equipped with the resin coating rete combine, and the weld seam of the resin material of the fusing by the resin coating rete when being bondd mutually.
In addition, Figure 22 is the stereogram of the heat exchanger of embodiment 15, and a side the crawl opposed interval of portion of portion and the opposing party of crawling is narrowed down, and becomes the product of thinner thickness.Figure 23 is with the crawl plane of the coil main body of portion and the opposing party portion of crawling dislocation after setting of a side.Figure 24 is the bending machining tube connector, makes a side crawl portion and the opposing party crawl state stereogram and plane thereof after portion's arranged opposite.In addition, Figure 25 is by reversing the bend of tube connector, makes a side crawl portion and the opposing party the crawl stereogram and the plane thereof of the coil main body under the state after narrowing down of the opposed interval of portion and the stereogram of fin portions.
In addition, Figure 26 is the cooling fin component in the heat exchanger of expression embodiment 16 and the amplification stereogram of the mated condition of straight sections, and it is provided with the engaging groove on the both ends of the surface of the non-bend side of the cooling fin component of corrugated.In addition, Figure 27 is the stereogram of the cooling fin component that uses in the heat exchanger of embodiment 17, the end of bending fin, and the inclined plane is set.In addition, Figure 28 is the stereogram of the cooling fin component that uses in the heat exchanger of embodiment 18, and it uses punching sheet material, and the opening of a plurality of circles is set on each fin.
The embodiment 1 that heat exchanger of the present invention is implemented as the cartridge that is provided under the car floor, utilize Fig. 1～Fig. 6 in detail to its explanation, (1) is the coil main body, the insertion gap (17) that makes a pair of portion of crawling (11), (12) separate fin member (5) is configured mutually with facing, and the kink (3) of a plurality of straight sections (2) of the above-mentioned a pair of portion of crawling (11), (12) configured in parallel by the opposed interval (16) that separates expectation and these a plurality of straight sections (2) of connection forms.And then, in this one group of portion of crawling (11) and another group are crawled the insertion gap (17) that forms between the portion (12), insertion sets fin member (5), this fin (5) is on the opposed both ends of the surface (6) (7) of a plurality of fin (4) arranged side by side, at regular intervals, be provided with the engaging groove (8) of a plurality of rectangles,, form heat exchanger (10) by in this engaging groove (8), setting and fixing straight sections (2).
An example of the manufacturing process of above-mentioned heat exchanger (10) below is described.At first, coil main body (1) is a metal tube bending that forms by iron and steel, stainless steel, copper, aluminium, acid bronze alloy or acieral etc., as shown in Figure 2, make a side of an end face (6) side that is provided in cooling fin component (5) portion (11) of crawling, and the opposing party who is provided in other end (7) side portion (12) of crawling forms axisymmetric form.A plurality of straight sections (2) of this a pair of portion of crawling (11), (12) configured in parallel and bending part (3) formation that connects this straight sections (2) by separating opposed interval (16), by tube connector (13), side portion (11) and the opposing party portion (12) of crawling of crawling is coupled together.This tube connector (13) forms than the distance between the last opposed engaging groove (8) of the both ends of the surface (6) (7) of cooling fin component (5), it is not hindered to both ends of the surface (6) (7) go up the opposed a pair of portion of crawling (11), (12) of setting.
In addition, in coil main body (1), as Fig. 2, Fig. 6 (a) (b) shown in, only straight sections (2) is shaped to, making the axial cross sectional shape of vertical tube is the pancake of oblong shape, and as Fig. 6 (a) (b) shown in, will form this elliptoid straight sections (2) and be adapted to, its oval length-diameter part is positioned on the width of engaging groove (8), and minor axis portion is positioned on the bottom and peristome direction of engaging groove (8).By such setting, strengthened the contact area of engaging groove (8) with straight sections (2), also just improved the heat-conductive characteristic of cooling fin component (5) with straight sections (2).In addition, can be shown in Fig. 6 (a), engaging groove (8) forms the formation height darker than the minor axis portion of straight sections (2), whole straight sections (2) can be inserted and set in the engaging groove (8), also can be shown in Fig. 6 (b), the formation of engaging groove (8) is highly formed by the only about half of size of the minor axis portion of straight sections (2) more shallowly, the latter half of straight sections (2) can be placed be provided in and engage in the groove (8).On the other hand, bending part (3) and tube connector (13) are not processed as any flat pattern, make its cross sectional shape for circular.In addition, the tube end of coil main body (1) is as the on-tube (15) that is connected to rubber hose etc., this on-tube (15) is not processed as flat pattern yet, cross sectional shape is done circular, but, also can implement winding (spool) processing or bulging (bulge) processing in order to prevent to come off from rubber hose etc.
In addition, in the present embodiment, as previously mentioned, because metal tube of bending forms coil main body (1), therefore, as shown in Figure 5, straight sections (2) does not have seam and continuous with tube connector (13) and straight sections (2) with on-tube (15) with bending part (3), straight sections (2).This Fig. 5 represents along the profile of the A-A line of Fig. 2, that is near the profile in the major diameter direction of the oval-shaped straight sections of conduct (2) the boundary of straight sections (2) and bending part (3).
On the other hand, in embodiment 1, the cooling fin component (5) that sets coil main body (1) is that a metallic plate is formed corrugated by a plurality of folding surfaces (14) bending, and a plurality of fins (4) are set side by side constitute, above-mentioned metallic plate can be iron and steel system, stainless steel, copper, aluminum, acid bronze alloy system or acieral system etc..And then, on the opposed both ends of the surface (6) (7) of the folding surface that cooling fin component (5) are set (14), according to the radical of straight sections (2), separate and opposed interval (16) identical distance of straight sections (2), be provided for setting the engaging groove (8) of the elliptical shape of straight sections (2).In addition, in the present embodiment, this engaging groove (8) be by with the both ends of the surface (6) (7) of cooling fin component (5) according to ellipse corresponding to straight sections (2) profile, cut into concavity respectively and form.
And then, the operation that is connected and fixed aforesaid cooling fin component (5) and coil main body (1) is described, as shown in Figure 3, the opposing party in coil main body (1) crawls above the portion (12), place cooling fin component (5), in the engaging groove (8) of the other end (7) of this cooling fin component (5), the crawl straight sections (2) of portion (12) of the opposing party is made into respectively along growing crosswise, its length-diameter part is positioned at the width of engaging groove (8), and minor axis portion is positioned at the bottom and the peristome direction of engaging groove (8).Then, by crooked roll (not shown) etc., the tube connector (13) of coil main body (1) is carried out bending machining, thus, as shown in Figure 4, coil main body (1) is carried out twice bending, the side portion (11) of crawling is configured in the face of the end face (6) of fin member (5).
And then, as Fig. 6 (a) (b) shown in, in the engaging groove (8) of this end face (6), the crawl straight sections (2) of portion (11) of a side is made into along growing crosswise, make its length-diameter part be positioned at the width of engaging groove (8), minor axis portion is positioned at the bottom and the peristome direction of engaging groove (8).Because this engaging groove (8) is arranged to and the corresponding ellipse of straight sections (2) profile, therefore, straight sections (2) just can not produce setting of engaging groove (8) rocks etc., can stably set, simultaneously, engaging groove (8) carries out face with the contact area of wall thickness part with straight sections (2) and contacts.Thereby,, just can make straight sections (2) and cooling fin component (5) have good heat conduction by straight sections (2) and the contact site that engages groove (8).
Setting when finishing, coil main body (1) is connected and fixed with cooling fin component (5), just only needs to crawl with the opposing party by the side portion (11) of crawling that the chucking power towards insertion gap (17) direction of formation realizes between portion (12).Herein, in order to improve the stability maintenance of coil main body (1) and cooling fin component (5), and contact with the face of engaging groove (8) in order to carry out straight sections (2) reliably, heat conductivity is improved further, in the present embodiment, as shown in Figure 1, utilize as the clip (clip) (18) of clamping components one side the crawl opposed bending part (3) of portion (12) of portion (11) and the opposing party that crawls is gripped.By gripping with this clip (18), straight sections (2) just is not easy to be disengaged to setting of engaging groove (8) is fixing, make being connected and fixed of coil main body (1) and cooling fin component (5) more firm, can improve mobile etc. vibration resistance the vibration of the car body that is provided with heat exchanger (10) etc. or fluid.And the face that straight sections (2) is strong with engaging the interior formation of groove (8) contacts, and can improve the heat conductivity of straight sections (2) and cooling fin component (5).In addition, as required, also can with above-mentioned clip (18) with the fixing of car body etc. coupled together with carriage (bracket) etc., heat exchanger (10) is fixed on the car body.In addition, also can on car body, fix carriage of this heat exchanger (10) or the clamping components that other clamping component is also used as cooling fin component (5) and coil main body (1) with being used for.
In the heat exchanger that as above forms like that (10), because therefore the coil main body (1) of the pipeline that will flow through fluid such as fuel after as aforesaid crawling can make the stream of fluid extend.And, by cooling fin component (5) is provided on the coil main body (1), heat transfer area is increased, the heat radiation endothermic character of whole heat exchanger (10) is improved.And then the heat-transfer area of each fin (4) by making external fluid and cooling fin component (5) flows abreast, by each fin (4), just can make to flow through between interior fluid of coil main body (1) and the external fluid and efficiently carry out heat exchange.
In addition, coil main body (1) is provided with a pair of portion of crawling (11), (12) that are shaped to the shape of crawling in advance, as long as this coil main body (1) is carried out twice bending, come clamping cooling fin component (5), just coil main body (1) can be affixed on the cooling fin component (5).Thereby, can utilize easy manufacturing technology and less manufacturing procedure to make, the productivity of heat exchanger (10) is improved, can be implemented at an easy rate.
In addition, because by excision each fin (4), the engaging groove (8) that will be used to set straight sections (2) is arranged on the both ends of the surface (6) (7) of cooling fin component (5), therefore through hole is set on radiating sheet and the method that the tube body insertion is passed is compared with existing as patent documentation 4 is described, operation becomes easily, and also makes cooling fin component (5) be difficult to produce distortion and damaged.In addition, in the prior art, after the straight tube that insertion is passed radiating sheet carries out expander, just must connect the U-shaped breather pipe, but in embodiment 1, because a metal tube bending is formed coil main body (1) for the shape of crawling, therefore just can save the trouble of connections such as soldering or welding etc., also just needn't worry fuel leakage etc.In addition, because the fixing of engaging groove (8) and straight sections (2) also realize by side chucking power and the clip (18) that portion (11) and the opposing party crawl between the portion (12) that crawl, so need not the expander operation, make manufacturing operation become easy.
In addition, because the cooling fin component (5) of this embodiment 1 is formed by the corrugated fin with a metallic plate bending, therefore fin (4) can be not at random in manufacture process, processability is good, improve the resistance to impact of cooling fin component (5), also just can improve the durability of heat exchanger (10).In addition, be equivalent to be provided with the part of a plurality of folding surfaces (14), can correspondingly increase the heat transfer area of cooling fin component (5), can improve heat exchange performance with external fluid.In addition, owing to adopt the coil main body (1) make after the crawling of metal tube, therefore, heat exchanger (10) can not produce in length and breadth and expand, and can make its densification, and simultaneously, the product comparison with aluminium die casting can obtain light-weighted product.
Thereby, use by pipe that this heat exchanger (10) is acted as a fuel, can obtain cooling effect to the excellence of fuel, simultaneously, fuel cooling installations such as cooling unit needn't be set separately, can reduce the part number, can reduce the manufacturing cost of automobile.Especially, can in the inferior narrow space of base plate, be provided with, also not be subjected to the restriction of car type etc., can obtain all good quality production very of configuration property and versatility.
In addition, crawl portion (11) and the opposing party when crawling the bending part (3) of portion (12) when grip a side securely with clip clamping components such as (18), because its reaction, the center side that makes straight sections (2) sometimes is to foreign side's dilatancy, straight sections (2) is protruded from engaging groove (8), caused mutual heat conductivity to reduce.Therefore, though it is not shown, but a side the crawl straight sections (2) of portion (12) of straight sections (2) and the opposing party of portion (11) of crawling is prebended and is arcuation, its opposed faces is protruded to the inside, after setting the straight sections (2) that is bent into this arcuation in the engaging groove (8), as clamping close device (means), also can straight sections (2) be provided in the engaging groove (8) point-blank by grip a side the crawl opposed bending part (3) of portion (12) of portion (11) and the opposing party that crawls mutually with clip clamping components such as (18).In addition, the straight sections after will being bent into arcuation (2) as other different clipping means, also can apply interior pressure after setting in the engaging groove (8) in straight sections (2), make it be deformed into linearity, chimeric being fixed in the engaging groove (8).By utilizing such method, prevent foreign side's dilatancy to straight sections (2), straight sections (2) is provided in the engaging groove (8) point-blank, can obtain the good heat conductivity between straight sections (2) and the cooling fin component (5).
In the foregoing description 1, with a metal tube bending, the coil main body (1) that formation is made of a plurality of straight sections (2), bending part (3) and tube connector (13) etc., but in another different embodiment 2, form bending part (3) and tube connector (13) with the U-shaped breather pipe, the straight tube by monomer forms a plurality of straight sections (2).And then, separate opposed interval (16), dispose this a plurality of straight sections (2), connect each straight sections (2) with bending part (3), be connected with each other by soldering or welding etc., form a pair of portion of crawling (11), (12) respectively.And then, separate the insertion gap (17) of cooling fin component (5), a pair of portion of crawling (11), (12) of arranged opposite are coupled together with tube connector (13).In addition, carry out in order to make to setting easily of engaging groove (8), identical with embodiment 1, straight sections (2) is shaped to elliptical shape.
Herein, in Fig. 7, the amplification sectional view of the connecting portion of straight sections (2) among the expression embodiment 2 and bending part (3) etc., straight sections (2) also has same structure with the connecting portion of tube connector (13).In this embodiment 2, as shown in Figure 7, the end of bending part (3) or tube connector (13) is inserted and is provided in the straight sections (2), be connected and fixed mutually, but as other method, the end insertion that also can form straight sections (2) is provided in bending part (3) or the tube connector (13), and it is fixing that it is interconnected.Also can crawl a side of the coil main body (1) that forms like this portion (11) and the opposing party crawls in the insertion gap (17) of the cooling fin component (5) of formation between the portion (12), set cooling fin component (5), after each straight sections (2) being provided in the engaging groove (8) set in the both ends of the surface (6) (7) of this fin member (5), by utilizing clip clamping components such as (18) that one side the crawl opposed bending part (3) of portion (12) of portion (11) and the opposing party that crawls is gripped, form heat exchanger (10).
In addition, under the situation of this embodiment 2, compare, need operations such as soldering or welding, and have the U-shaped breather pipe that in the existing invention of patent documentation 4, utilizes with the coil main body (1) that forms by a metal tube among the embodiment 1.Under the situation of this patent documentation 4, because after straight tube is passed in insertion in the through hole of thin plate fin, be connected and fixed the U-shaped breather pipe by soldering or welding etc., therefore, must careful the operation, in order to avoid produce the breakage of fin member, soldering or welding etc. also is difficult to carry out, in addition, leak test of connecting portion etc. also and be not easy.But, in the present invention, coil main body (1) is being set fin member (5) before, owing to bending part (3) or the tube connector (13) of straight sections (2) with U-shaped ventilation control can be coupled together, connect in the operation at these, fin member (5) can not cause trouble, can easily carry out operations such as soldering or welding, simultaneously, leak test of connecting portion etc. also can easily be carried out.In addition, as long as combine and just can obtain coil main body (1) owing to will have the straight tube of (both depositing) and U-shaped breather pipe, and set in the engaging groove (8), therefore, when straight sections (2) is carried out the flat man-hour that adds, can before bending part (3) or tube connector (13) are connected, carry out moulding, operation such as flat processing is become than being easier to.
In addition, in embodiment 1,2, straight sections (2) is fixing to engaging groove (8), is by a side the crawl chucking power of portion (12) of portion (11) and the opposing party of crawling, and clip (18) power of gripping that has is carried out.In order to make this straight sections (2) and to engage the fixing more firm of groove (8), in embodiment 3, in in setting engaging groove (8), as shown in Figure 8, straight sections (2) is formed elliptical shape, make oval minor axis portion littler, make oval length-diameter part bigger than the formation width of engaging groove (8) than the formation width of engaging groove (8).And then, should ellipse straight sections (2) set under the situation about engaging in the groove (8), as shown in Figure 8, be configured to make oval length-diameter part to be positioned at the bottom and the peristome direction of engaging groove (8).And owing to the minor axis portion that is positioned at towards the width that engages groove (8) is littler than the formation width of engaging groove (8), therefore, configuration straight sections (2) does not need powerful extrusion force etc. to the operation that engages groove (8), can easily carry out.
Set when finishing at this, as shown in Figure 8, crawl and produce clearance portion between periphery and interior week that engages groove (8) of each straight sections (2) of portion (12) crawl portion (11) and the opposing party of a side, fin member (5) fixing only undertaken by side portion (11) and the opposing party chucking power towards insertion gap (17) direction of formation of crawling between portion (12) of crawling.And then, in one operation of back, by making its expander to pressurizeing in the coil main body (1) with suitable method, as shown in Figure 9, make the periphery of straight sections (2) be fitted to the interior week that engages groove (8) securely, coil main body (1) and fin member (5) can be connected and fixed securely, simultaneously, straight sections (2) is increased with the contact area that engages groove (8), thereby improve the heat conductivity between straight sections (2) and the fin member (5).In addition,,, also can connect coil main body (1) and fin member (5) securely, simultaneously, can reduce the part number even if do not use clip clamping components such as (18) by this straight sections (2) and the coordinate force that engages groove (8).But also can use clip clamping components such as (18), coil main body (1) can stably be combined more securely with fin member (5).
In addition, in the present embodiment, shown in Fig. 8,9, because formation rectangle, and can easily form engaging groove (8), but profile that also can corresponding straight sections (2) forms ellipse or Long Circle by engaging groove (8), both sides' contact area can be increased, the heat conductivity between straight sections (2) and the fin member (5) can be further improved.In addition, on the contrary, also can make its corresponding engaging groove (8), straight sections (2) is formed rectangle.With this straight sections (2) when making rectangle, minor axis portion is made littler than the formation width of engaging groove (8), length-diameter part is made bigger than the formation width of engaging groove (8), after setting engaging groove (8) along longitudinally, straight sections (2) is carried out expander, it is cooperated securely be fixed in the engaging groove (8).
In addition, carry out in the method for expander in utilization as existing patent documentation 4 described axles, after making insertion pass the straight tube expander of thin plate fin, must connect the U-shaped breather pipe, but in embodiment 3, be in straight sections (2) sets engaging groove (8) after, owing to carry out expander by in coil main body (1), exerting pressure, straight sections (2) is fitted in the engaging groove (8), therefore, can omit behind the expander by soldering or welding etc., operating efficiency is improved the trouble that each pipe connects, simultaneously, can prevent the breakage of fin member (5).
In addition, about straight sections (2) with engage fixing between the groove (8), in embodiment 1,2, undertaken by clip clamping components such as (18), in embodiment 3, the expander by straight sections (2) carries out.But, as straight sections (2) and other the different fixing means that engages between the groove (8), the external diameter of straight sections (2) is formed only than the big slightly big footpath of formation width that engages groove (8), the straight sections (2) that makes big footpath is pressed in this engaging groove (8) fixes, can save expander operation etc.In addition, in the case, by utilizing clip (18) or clamping component, and other clamping components, grip side portion (11) and the opposing party opposed bending part of portion (12) (3) that crawls that crawls, can further improve the stability that combines between coil main body (1) and the fin member (5).
In the foregoing description 1,2, only the straight sections (2) of coil main body (1) is shaped to the pancake of elliptical shape, but in embodiment 4 as shown in figure 10, straight sections (2) and bending part (3) is shaped to rectangular-shaped pancake.In addition, the engaging groove (8) that sets the fin member (5) of rectangle straight sections (2) also forms the rectangle of corresponding straight sections (2) periphery.And then, in the time of in straight sections (2) being coupled to engaging groove (8), make length-diameter part be positioned at the bottom and the peristome direction of this engaging groove (8), this length-diameter part is made than the big big footpath of formation width that engages groove (8), the minor axis portion of width that is positioned at engaging groove (8) is formed than forming the little path of width, thereby make straight sections (2) and engage setting easily of groove (8) and carry out.In addition, also form rectangle with the same shape of straight sections (2), make the flat processing of coil main body (1) become easy by shape with bending part (3).And then, identical with embodiment 3 after straight sections (2) is finished to setting of engaging groove (8), in coil main body (1), applying, compress into capable expander, straight sections (2) secure fit is arrived in the engaging groove (8).And the on-tube (15) of coil main body (1) does not carry out ovalization with tube connector (13), and forms circular.
By rectangle straight sections (2) being fitted in the engaging groove (8) of rectangle like this, straight sections (2) is increased with the contact area that engages groove (8), both sides' heat conductivity is improved.In addition, utilize such structure, also can easily carry out the manufacturing of heat exchanger (10), simultaneously, because bending part (3) is a rectangular shape, therefore, compare, can make and utilize gripping of clip clamping components such as (18) more stable with the situation that grips circle or oval bending part (3).
In the foregoing description 1,4, form with corrugated and form fin member (5), the structure that a plurality of fins (4) are coupled together still, can certainly be utilized one by one the independently tabular fin formation of polylith fin member (5) again.In Figure 11, represent among the embodiment 5 of one example, the tabular fin of polylith (4) is got up to constitute fin member (5) side by side, the opposed both ends of the surface (6) (7) of this fin member (5) are cut formation many places concavity, a plurality of engaging grooves (8) are set abreast.Utilize manufacturing process similarly to Example 1, make the straight sections (2) of flat pattern with a pair of portion of crawling (11) (12), after being provided in this straight sections (2) in the engaging groove (8) of these both ends of the surface (6) (7), by making its expander etc., chimeric securely being fixed on of straight sections (2) engaged in the groove (8).
In addition, in the existing invention of patent documentation 4, also set the thin plate fin side by side, but in embodiment 5, cut at two ends to fin (4), set in advance engaging groove (8), after more a plurality of fins (4) being got up to be configured to fin member (5) side by side, form by operation such as straight sections (2) being engaged in engaging groove (8), therefore, with as the existing through hole that is provided with, inserting the situation of passing tube body again compares, operation is easier to, straight sections (2) set operation the time difficult distortion or the breakage that fin (4) takes place, can improve operating efficiency etc.In addition,, therefore also improved the fastness of each fin (4), also just improved the durability of heat exchanger (10) owing to utilize a pair of portion of crawling (11) (12) to grip fin member (5).
In addition, when the heat exchanger (10) with embodiment 5 acts as a fuel the pipe use, be fixed under the base plate of car body by clamping component etc., but also this clamping component can be also used as the hold assembly of the opposed bending part (3) that grips a pair of portion of crawling (11) (12).By this dual-purpose, can realize reducing the part number, or improve operating efficiency.This clamping components is by the substrate (20) that is fixed under the base plate, and the head bolt (21) bigger than the diameter of bending part (3) constitutes, by being inserted break-through respectively, this bolt (21) crosses opposed bending part (3), this bolt (21) screwed togather be fixed on the substrate (20), grip opposed bending part (3), can improve the intensity that is connected and fixed between fin member (5) and the coil main body (1).And then, by this substrate (20) being fixed under the base plate, and heat exchanger (10) is provided under the base plate with another bolt (22).In addition, utilize clip (18), grip a pair of on-tube (15) that is arranged on coil main body (1) two ends, to realize the stabilisation of on-tube (15).
In the foregoing description 1～5, in order to carry out heat exchange efficiently, must heat exchanger (10) be provided with the flow direction and the parallel mode of fin (4) of external fluid, the direction of setting is restricted.Therefore, in embodiment shown in Figure 12 6, on each fin (4), have the rectangular-shaped opening (23) that a plurality of external fluid can be passed through.By opening (23) is set like this, make external fluid also can carry out heat exchange along the vertical direction of the heat-transfer area of fin (4) is flowed, can can not set heat exchanger (10) on the direction arbitrarily, make the raising of configuration property by about the flow direction of external fluid institute.In addition, produce turbulent flow,, can further improve the heat exchange performance of fin (4) and external fluid by peeling off of boundary layer by forming opening (23), make the external fluid that flows through fin (4) periphery.
In addition, this opening (23) also can be formed between the adjacent fin (4) abreast, and also can suitably stagger and form the position and form, and produces turbulent flow to promote external fluid.In addition, the shape of opening (23) also is not limited to rectangle, can make circular, oval, oblong opening (23), also can be polygonals such as star, profile of tooth, triangle, pentagon, the perhaps opening (23) that forms with other arbitrary shape, both can only be provided with one on each fin (4), also can be provided with a plurality ofly, the shape or the number of opening (23) can be chosen wantonly.
In the foregoing description 1～6,, form engaging groove (8), so the contact area of fin member (5) and straight sections (2) only is equivalent to the wall thickness part of fin member (5) because the both ends of the surface (6) (7) of each fin (4) are cut into concavity.Therefore, in order further to improve the heat conductivity of fin member (5) and straight sections (2), preferably the clearance portion between the engaging groove (8) of each fin (4) sets pad etc., by this pad, carries out the heat conduction between fin member (5) and the straight sections (2).But, because the use of pad, exist the problem that not only increases the part number but also increase assembling work, in the embodiment 7 of Figure 13～shown in Figure 15, with a part of dual-purpose of fin (4) as pad.
Owing to, in embodiment 6, just needn't excise fin (4) as the use of this pad, be circular-arc with both ends of the surface (6) (7) crimp of fin member (5), form and engage groove (8).Follow this crimp, the both ends of the surface (6) (7) of fin (4) are extruded distortion, two side-prominent expansion flanges (24) at each fin (4), make this expansion flange (24) approaching mutually or butt between adjacent fin (4), between the engaging groove (8) of each fin (4), form the gap minimizing of the portion that sets that makes straight sections (2) or clearance portion is entirely shut.Form expansion flange (24) in this wise, as Figure 14, shown in Figure 15, the inner peripheral surface of the broad by making this expansion flange (24) carries out face with the outer peripheral face of straight sections (2) and contacts, and needn't use other pad, the fin (4) and the heat transfer area of straight sections (2) are increased, can improve both sides' conductivity of heat.Thereby, the heat exchange performance of heat exchanger (10) was improved more, can save part number or assembly process again, can be implemented at an easy rate.
And, in the foregoing description 7, the both ends of the surface (6) (7) of the fin (4) of the fin member (5) that forms with corrugated are extruded distortion, even but in will fin member (5), also these both ends of the surface (6) (7) crimp can be provided with engaging groove (8) as a plurality of configurations arranged side by side of tabular fin (4) among the embodiment 5.Under these circumstances, by making tabular fin plane earth distortion, form expansion flange (24), making this expansion flange (24) carry out face with the outer peripheral face of coil main body (1) contacts, thus, can increase both sides' heat transfer area, improve heat conductivity, can obtain to have the heat exchanger (10) of good heat exchange.
In the various embodiments described above, only crawl in the insertion gap (17) between the portion (12) crawl portion (11) and the opposing party of a side, insertion sets fin member (5), but in as Figure 16, embodiment 8 shown in Figure 17, further, in the crawl outside of portion (11) of a side, set fin member (25).This fin member (25) is with to be provided in the fin member (5) that inserts in the gap (17) identical, form with corrugated, and be provided with and set the crawl engaging groove (8) of a plurality of straight sections (2) of portion (11) of a side, compare with the fin member (5) in being inserted into insertion gap (17), its formation is highly reduced, make the volume of heat exchanger (10) not too large.
And then, the engaging groove (8) of the fin member (25) of outside will be provided in, form shown in Fig. 6 (b) such, crawl after the outer surface of straight sections (2) of portion (11) having set a side, by this straight sections (2) is carried out expander etc., straight sections (2) is fitted in engaging groove (8) securely, is connected and fixed fin member (25) and the side portion (11) of crawling.In addition, for make be configured in a side crawl on portion (11) outer surface fin member (25) and to be provided in the fin member (5) that inserts in the gap (17) more reliable with being connected and fixed of coil main body (1), can pass through clamping components, fin member (25) and bending part (3) are gripped.As Figure 16, shown in Figure 17, this clamping components is equipped with the fixed band (26) of metal system etc. abreast with straight sections (2) on fin member (25), simultaneously, support plate (30) that will be wideer than the opposed interval (16) of straight sections (2) is erected between the adjacent straight sections (2) as the clamping object.
And then, to be arranged on stacked being provided on this support plate (30) of flange (27) at fixed band (26) two ends, screw togather to be fixed on and be disposed at the opposing party and crawl on the substrate (20) below the portion (12) by the stay bolt (21) that adds that insertion is passed flange (27) and support plate (30), fin member (25) can be securely fixed in a side and crawl in the portion (11).By a plurality of such fixed bands (26) or support plate (30) etc. are provided between the adjacent straight sections (2), just can improve the constant intensity and the stability of fin member (5) (25) and coil main body (1).And then, by gripping with this clamping components, not only fin member (25) can be securely fixed on the coil main body (1), and can grip side portion (11) and the opposing party portion (12) of crawling of crawling securely, and be provided in the interior fin member (5) in this insertion gap (17), thereby can improve heat exchange performance.And then, inferior by substrate (20) being fixed on base plate, make heat exchanger (10) can be stabilized setting.
As mentioned above, in embodiment 8, the outside by the portion (11) of crawling a side sets fin member (25), and increasing the heat transfer area of heat exchanger (10), crawl the almost whole straight sections (2) of portion (11) of a side is covered by fin member (5) (25).Thereby, insert each fin (4) of the fin member (25) of interior fin member (5) in gap (17) and outside by this, the heat that flows through the fuel in the straight sections (2) is rejected heat in the external fluid efficiently go, can further improve cooling effect fuel.In addition, by setting of this fin member (25), the side portion (11) of crawling is capped protection, improves its impact resistance to slungshot etc., can prevent the breakage of coil main body (1) etc. well.In addition, when the outer surface of the portion (11) of crawling a side sets fin member (25), the other end (7) of this fin member (25) be provided in a side and crawl and do not contact between the end face (6) of fin member (5) of inner face of portion (11), as shown in figure 16, cooperate formation by producing the such size of clearance portion slightly, thus, straight sections (2) just can not floated in the engaging groove (8) of fin member (5) (25), carry out the face contact reliably with the contact area of broad mutually, can keep good heat conductivity between straight sections (2) and the fin member (5) (25).
And, in embodiment 8, used support plate (30), but also the flange (27) of fixed band (26) can be formed wideer than the opposed interval (16) of straight sections (2), be erected on the straight sections (2) adjacent with this flange (27), utilize bolt (21), this flange (27) is fixed on the substrate (20).In addition, also can utilize the lengthening fixed band (26) till substrate (20), the flange (27) at the two ends of this fixed band (26) is stacked on the substrate (20), use bolt (21) fixing again.In addition, in embodiment 8, only set fin member (25) in the crawl outside of portion (11) of a side, if but do not have obstacle being provided with of other position of car body etc., also fin member (25) can be provided in the crawl outside of portion (12) of the opposing party, the crawl heat conductivity of portion (12) side of the opposing party is improved, can further improve the heat exchanger performance of heat exchanger (10).
In addition, in embodiment 8, used fixed band (26), but as other different embodiment (not shown), though it is not shown, but the fin (4) at the two ends of the fin member (25) that will form with corrugated comes to replace flange along the level bending, with this fin (4) be provided in a side crawl portion (11) a plurality of straight sections (2) above.And then, utilize many bolts (21), the fin that this is flange shape (4) is fixed on the substrate (20), thus, fin member (25) is fixed on a side to crawl in the portion (11), simultaneously, portion (11) and the opposing party portion (12) of crawling of crawling of the side between fin member (25) and the substrate (20) is compressed along direction of closing, will be provided in the interior fin member (5) in this insertions gap (17) and grip securely.
In this wise, utilize the corrugated fin, fin member (25) is used as a part of clamping components, thus, just do not need fixed band (26) or support plate (30), can reduce the part number, can be implemented more at an easy rate.In this case, if make between fin (4) that support plate (30) get involved to replace flange and the straight sections (2), just can stablize more and grip fin member (5) (25) and coil main body (1) securely with reinforcement fin member (5).
Embodiment 9
The 2nd inventive embodiment 9 of the present invention below is described.At first, in above-mentioned the 1st inventive embodiment 1～8, crawl portion (11) and the opposing party of one side crawled interval between the portion (12) as the insertion gap (17) of fin member (5), but in the 2nd inventive embodiment 9, as shown in figure 18, with adjacent many a plurality of gaps, as the insertion gap (17) of fin member (5) to hierarchically forming between the straight sections (2).For the heat exchanger (10) of making present embodiment 9, to be provided with a plurality of straight sections (2) and bending part (3) and be connected side portion (11) and the opposing party portion (12) of crawling of crawling by tube connector (13) again, separate opposed the setting in opposed interval (16) of expectation.On the other hand, being provided in fin member (5) on the coil main body (1) forms wideer a little than a side opposed interval (16) that portion (11) and the opposing party crawl between the portion (12) of crawling, on each of its both ends of the surface (6) (7), with with opposed interval (16) identical distance, form 2 the engaging grooves (8).
And then, crawl portion (11) and the opposing party of one side crawled the mutual opposed straight sections (2) of portion (12) as a pair of, many to straight sections (2) between in the insertion gap (17) of the fin member (5) that forms of layering, insert respectively and set each fin member (5).In addition, as shown in figure 18, the insertion of this fin member (5) is to carry out between adjacent straight sections (2), begin to carry out from being formed on the insertion opening (28) of the opposite side of bend (3), stride across side portion (11) and the opposing party portion (12) of crawling of crawling, insert respectively and set fin member (5).And then, by in the engaging groove (8) of the end face (6) of this fin member (5), set the straight sections (2) of the side in adjacent 2 pairs of straight sections (2), in the engaging groove (8) of other end (7), set the opposing party's straight sections (2), with suitable fixing means each straight sections (2) is fixed in the engaging groove (8), thereby forms heat exchanger (10).
This straight sections (2) is fixing to engaging groove (8), also can fin member (5) is inserted be provided in respectively insert in the gap (17) after, by making side portion (11) and the opposing party portion (12) of crawling of crawling insert the direction that gap (17) narrows down and carry out compression along making, and by adjacent straight sections (2), grip fin member (5), thereby can improve the bonding strength and the heat conductivity of fin member (5) and coil main body (1).Further, identical with embodiment 3, also can be provided in the engaging groove (8) becoming pancake straight sections (2), this set finish after, straight sections (2) is carried out expander, it is fitted in the engaging groove (8) securely, perhaps also can makes the diameter of straight sections (2) bigger slightly, be pressed in the engaging groove (8) by the straight sections (2) that will be somebody's turn to do big footpath and fix than the formation width of engaging groove (8).In addition, though do not illustrate, but also can fixed band (26) etc. be hung on the crawl outside of portion (12) of the opposing party from the crawl outside of portion (11) of a side, by this fixed band (26) is fixed on the substrate (20), fin member (5) is gripped with coil main body (1).
By aforesaid structure, the heat exchanger of the 2nd inventive embodiment 9 (10) will be suitable for being arranged on base plate or device etc. vertically in the narrower space of width etc.On the other hand, the pancake heat exchanger (10) as the 1st inventive embodiment 1～8 just is suitable for being configured in the lower space of the inferior height of base plate etc.
In addition, in this embodiment 9, have only top or following and fin member (5) butt with straight sections (2) bottom topmost, but except that the straight sections these (2), all set fin member (5) down thereon, can make the almost whole outer peripheral face and fin member (5) butt of straight sections (2).Thereby, can improve the heat conductivity between coil main body (1) and the fin member (5), make the heat of the fuel that flows in the coil main body (1) can pass through straight sections (2) and fin member (5), reject heat to external fluid efficiently, the heat exchange performance of heat exchanger (10) is improved.In addition, also can on each fin (4) of fin member (5), offer the opening (23) that external fluid can be circulated, make external fluid produce turbulent flow, both can improve heat exchange performance, can improve the be provided with free degree of heat exchanger (10) again wind direction.
In addition, in Figure 19, embodiment 10 shown in Figure 20, also set fin member (25), can further improve the heat exchange performance of heat exchanger (10) by outside in a pair of straight sections (2) topmost.The heat exchanger of present embodiment 9 (10) is identical with the foregoing description 9, crawl portion (11) and the opposing party of one side crawled the opposed straight sections (2) of portion (12) as a pair of, adjacent many to straight sections (2) between layering form a plurality of spaces, will these a plurality of spaces as the insertion gap (17) of fin member (5).And then, in this a plurality of insertions gap (17), stride across side portion (11) and the opposing party portion (12) of crawling of crawling, insert respectively and set fin member (5), straight sections (2) is provided in the engaging groove (8) of both ends of the surface (6) (7) of each fin member (5).Further, in a side the crawl outside of a pair of straight sections (2) of the top of portion (12) of portion (11) and the opposing party of crawling, set foregoing fin member (25), the exterior side of straight sections (2) is provided in the engaging groove (8) of this fin member (25).
In addition, in embodiment 10, insert interior fin member (5) in gap (17) and the stationarity between the coil main body (1) in order to improve the fin member (25) that is configured in the outside and to be provided in, as Figure 19, shown in Figure 20, with the banded fixed band (26) of metal system etc., be hung on the outside of fin member (25) abreast with straight sections (2).In addition, this fixed band (26) also is hung on the both sides of a plurality of fin members (5) that layering sets, simultaneously, the flange (27) at its two ends will be arranged on, be stacked on the substrate (20) that is disposed at below the heat exchanger (10), this substrate (20) and flange (27) be connected and fixed by bolt (21).In addition, grip by this, straight sections (2) is securely fixed in the engaging groove (8), and both sides' heat conductivity also is improved.And then by other bolt (22), it is inferior that the substrate (20) that will be fixed with this heat exchanger (10) is fixed on the base plate of car body.
In such heat exchanger (10), make the almost whole outer peripheral face butt fin member (5) (25) of straight sections (2), mutual heat conductivity is improved.Thereby, can make the heat that flows through the fuel in the coil main body (1), transfer heat to fin member (5) (25) efficiently, reject heat to external fluid again, thereby the heat exchange performance of heat exchanger (10) is improved.In addition, under the situation of this embodiment 10, though also the both ends of the surface (6) (7) of fin member (5) (25) can be cut into concavity, engaging groove (8) is set, but by both ends of the surface (6) (7) crimp being become the shape of corresponding straight sections (2) profile, make engaging groove (8), the fin member (5) (25) and the heat transfer area of coil main body (1) are further increased, mutual heat conductivity is improved more with expansion flange (24).
In addition, in the foregoing description 1～embodiment 10, coil main body (1) is made flat patterns such as ovalisation, Long Circle, rectangle, perhaps circle etc., but the surfaces externally and internally of coil main body (1) forms without any concavo-convex even surface.To this, in embodiment shown in Figure 21 11, coil main body (1) is arranged with from the inside side of outer surface, on the surfaces externally and internally of coil main body (1), form a plurality of jogs (31).Like this, flow through the inner fluid generation turbulent flow of coil main body (1) by jog (31) being set, making, near the boundary layer of inner surface of peeling off coil main body (1) can make heat exchanger effectiveness improve.
In addition, in embodiment 11, also whole coil main body (1) can be formed circle or flat patterns such as ellipse or rectangle, perhaps also can make straight sections (2) and/or bend (3) become flat pattern, make other parts form circle etc.In addition, also jog (31) can be arranged on the whole coil main body (1), it is first-class perhaps also can only to be arranged on straight sections (2), partly forms concavo-convex.In addition, the shape of jog (31) or size and formation interval etc. also can be fixed, and also can produce arbitrarily.
In embodiment 12, in the heat exchanger (10) of structure with the foregoing description 1～embodiment 11, with a side crawl portion (11) and the opposing party crawl the straight sections (2) of portion (12) set fin member (5) engage in the groove (8) after, in the abutting part filling molten resin material of engaging groove (8) and straight sections (2) and make its curing, to engage groove (8) and straight sections (2) is bonded to each other together, bonding by this, needn't use clip (18) or fixed band clamping components such as (26), just fixedly coil main body (1) and fin member (5) perhaps also can carry out clamping with simpler clamping components.
By the filling of this resin material, for example molten resin material can be filled in shown in Fig. 6 (a) or Fig. 9, in the interior week and the clearance portion between straight sections (2) periphery of engaging groove (8).And then, when this clearance portion hour, utilize resin material to stop up and have the whole clearance portion of heat insulating function, when this clearance portion is big, shown in the double dot dash line among Fig. 6 (a), Fig. 9,, resin material is adhered to be cured as the weld seam shape by the high viscosity of molten resin material, by this weld seam (32), the clearance portion with heat insulating function is narrowed down.Thereby, owing to, make the adhesion closely of straight sections (2) and fin member (5), therefore can improve both sides' heat conductivity by this resin material, the heat exchange of heat exchanger (10) can be improved.Further, by resin material, can bonding fin member (5) and coil main body (1), thus can improve both sides' stability maintenance.In addition, as Fig. 6 (b) or shown in Figure 14, even when engaging groove (8) and straight sections (2) ground very close to each other butt, intersection in engaging groove (8) and straight sections (2), make the molten resin material of high viscosity adhere to curing, form weld seam (32), the coil main body that can be adhesively fixed (1) and fin member (5).In addition, be equivalent to the surface area of the seam (32) of this resin material, the contact area between straight sections (2) and the engaging groove (8) increased, thereby can improve both sides' heat conductivity.
In addition, the molten resin material also can be the coating resin material, also can be thermoplastic resin material, thermosetting resin material, ray hardening resin material, uv-hardening resin material or resin system bonding agent etc.
In addition, when the metal tube of coil main body (1) is formed by different metals with the metal material of fin member (5), produce the electrolytic etching that causes because of potential difference sometimes.As the countermeasure of this electrolytic etching, in embodiment 13, on the outer peripheral face of the coil main body of in the heat exchanger with the foregoing description 1～embodiment 11 structures (10), using (1), set resin coating rete (not shown).This resin coating rete utilizes extrusion forming device, and resin material is expressed to the outer surface of metal tube, perhaps utilizes general applying device such as powder coating or dip coating, utilizes the outer surface of resin material clad metallic pipe etc., thus, forms one or more layers.In addition, the resin coating rete also can use the finished product that sets in advance, and that can save the resin coating rete sets operation and material, can be implemented more at an easy rate.The resin material that uses in this resin coating rete can be the thermoplastic resin material, also can be thermosetting resin material, ray hardening resin material or uv-hardening resin material etc.
If be example with the situation of using the thermoplastic resin material, then will be equipped with the metal tube bending of resin coating rete, form coil main body (1), according to step as embodiment 1～embodiment 11, at fixedly coil main body (1) and fin member (5) afterwards, implement heating by fusion temperature with this resin coating rete, resin material is melted, thereby fusing bonds in the engaging groove (8), simultaneously, when straight sections (2) with engage between the groove (8) when producing clearance portion, resin material is filled to the clearance portion that this has heat-blocking action, stop up this clearance portion or form weld seam (32).In addition, because that coil main body (1) and fin member (5) are crimped is fixing, therefore, the resin material after the fusing just can not be full of but soak into and be filled in the clearance portion.Then, by cooling off whole heat exchanger (10), resin material is solidified again, make coil main body (1) and fin member (5) form one by the resin coating rete, be fixed together well both sides are more stable, simultaneously, both sides' heat conductivity is improved, thereby the heat exchange performance of heat exchanger (10) is improved.
In addition, owing in advance the resin coating rete is provided on the coil main body (1), improved corrosion resistance, therefore, anticorrosion electroplating processes or the processing of chromate overlay film that just needn't implement sacrificial etched property wait other corrosion-resistant processing, and manufacturing operation is simplified.In addition, be equipped with the coil main body (1) of resin coating rete, metal tube can directly not contacted with fin member (5), can prevent the electrolytic etching that causes by above-mentioned metal potential difference well by use.Thereby, for example, for coil main body (1), can use the iron metal tube that adapts to spirituosity fuel, for fin member (5), can worry electrolytic etching and use the good aluminium of heat dissipation characteristics, thereby can obtain the good high-quality heat exchanger (10) of corrosion resistance, fuel resistance and heat exchange performance.
As the resin material that is used for above-mentioned resin coating rete,, can obtain having superior corrosion resistance or resistance to impact and cheap product by using PA, PP, PE etc.In addition, by using resin materials such as monomer-cast nylon (monomer cast nylon), polyamidoimide, polybenzimidazoles, polyether-ether-ketone, PEI, polyether sulfone, polyimides, polyphenylene sulfide, polysulfones, polytetrafluoroethylene (PTFE), tetrafluoroethene-PFA, PVF-propylene, polytrifluorochloroethylene, ethylene-tetrafluoroethylene copolymer, ethene CTFE, not only its heat-resisting switching performance or excellent corrosion resistance, and can obtain also good quality production of hear resistance.
In addition, as another different embodiment 14, in the heat exchanger (10) of structure with the foregoing description 1～embodiment 11, also can be afterwards at fixedly coil main body (1) and fin member (5), by powder coating, electrostatic coating, dip coating etc., on their whole outer surface, implement coating.In addition, as embodiment 12, both can be at casting resin material between straight sections (2) and the contact site that engages groove (8), its bonding mutually execution is afterwards applied, also can be as embodiment 13, after the coil main body (1) that is equipped with the resin coating rete is connected and fixed with fin member (5), implement coating.
Above-mentioned coating only makes metal material charged by carrying out the cation electroplating coating, and absorption coating applies its outer surface, can obtain good anti-corrosion.But, as embodiment 12, when filler that uses resin material system or bonding agent, perhaps as embodiment 13, when the outer peripheral face of coil main body (1) sets the resin coating rete, owing to do not apply these resin materials, therefore resin coating rete etc. can thickening, does not have influence on heat conductivity.
In addition, when on coil main body (1), setting the resin coating rete, when carrying out the cation electroplating coating, owing to when carrying out sintering, make the fusing of resin coating rete, bond on the fin member (5), therefore in coating, the fusing that just can carry out above-mentioned resin coating rete is bonding.In addition, because the fusing bonding portion of fin member (5) and resin coating rete, partly form one smoothly with respectively the having a common boundary of coating part of fin member (5), therefore, can improve mutual heat conductivity, and the fixing stability between fin member (5) and the coil main body (1) is further improved, can obtain good heat exchangers (10) such as vibration resistance.
In addition, resin material at the coating of the resin coating rete of the resin material that is used for embodiment 12, embodiment 13 or embodiment 14, also can contain the particle or the fiber that form by copper, aluminium, stainless steel and other metal materials, carbon material or glass material etc., thereby can improve the heat conductivity of resin material.In addition, the preferred resin material that uses black with black body radiation effect, and then, also can make this black and have in the resin material of black body radiation effect and contain above-mentioned particle or fiber, thereby can obtain the time having good photothermal heat dissipation characteristics, when heat absorption, have the resin material of good heat absorption in heat radiation.
In addition, in above-mentioned resin material, by making it contain CNT, Carbon Nanohorn carbon nano-fibers such as (carbonnano horn), can improve the heat conductivity of resin material effectively, can further improve the heat dissipation characteristics or the endothermic character of heat exchanger (10).In addition, preferably make the content of such carbon nano-fiber be less than 30wt% more than 5wt%, thereby can obtain good heat transfer effect more.
When the content of above-mentioned carbon nano-fiber during, improve the effect deficiency of heat-transfer effect smaller or equal to 5wt%.In addition, though content more than or equal to 30wt%, heat-transfer effect can not produce too big difference yet, making its amount in resin material is difficult more than or equal to 30wt%, and productivity ratio is reduced, and simultaneously, also makes to cost an arm and a leg.And said in this manual carbon nano-fiber is illustrated in the nanometer technology category, contains the general name of the carbon fiber of CNT, Carbon Nanohorn and other nanometer unit.In addition, CNT, Carbon Nanohorn and other nano material are mixed, be included in the resin material, also can contain with monomer.In addition, when containing CNT in making resin material, CNT both can be individual layer, also can be double-deck.And then, irrelevant with the aspect ratio of this CNT.And, also irrelevant with the thickness of CNT, length etc.
In addition, for example, as the heat exchanger (10) of above-mentioned embodiment 9, embodiment 10 in, one side is crawled, and opposed interval (16) that portion (11) and the opposing party crawl between the portion (12) narrows down, simultaneously, insertion sets the fin member (5) that forms in a narrow margin, thus, can obtain the heat exchanger of compact more.Can improve and hold efficient, the configuration free degree when being provided with is improved.And then, this opposed interval (16) is decided by the radius of curvature of tube connector (13), the radius of curvature of this tube connector (13) is that tube connector (13) is carried out bending machining and makes side portion (11) and the opposing party radius of curvature of portion (12) when disposing abreast of crawling of crawling, reduce radius of curvature more, just can make opposed interval (16) narrow more.
But, because the relation of the bending stress that the diameter of tube connector (13) or roll produce etc. reduces radius of curvature and has a limit, and, if crooked excessively, then may make tube connector (13) produce damaged or fracture, therefore opposed interval (16) being narrowed down also has a limit.
A measure as addressing this problem has following method.At first, can not produce fracture or damaged radius of curvature is carried out bending machining to tube connector (13), a side the crawl straight sections (2) of portion (12) of portion (11) and the opposing party of crawling is disposed each other abreast.Under this state, with respect to the axial direction of straight sections (2), along the circumferential direction reverse tube connector (13), thus, this tube connector (13) can not ruptured, opposed interval (16) is narrowed down.And then, on the both ends of the surface (6) (7) that form fin member (5) in a narrow margin, interval by corresponding above-mentioned opposed interval (16), form engaging groove (8), set fin member (5) by inserting in the insertion gap (17) between straight sections (2), just can obtain the heat exchanger (10) of compact in a narrow margin.
In this wise, as long as reverse tube connector (13), opposed interval (16) is narrowed down, but carry out this when reversing, both do not made a side the crawl phase deviation of portion (12) of portion (11) and the opposing party of crawling, the state of the mutual keeping parallelism of straight sections (2) is reversed, just need the technology of height.In addition, the tube connector after reversing (13) is projected into foreign side, may make the property the held variation of heat exchanger (10).The heat exchanger of embodiment 15 (10) can be realized not needing such height technology, can make simply, and the property held is improved, and utilizes Figure 22～Figure 25 that its manufacturing process is described below.
At first, in embodiment 15, make side portion (11) and the opposing party portion (12) of crawling of crawling form axisymmetric form, as shown in figure 23, with a side's of tube connector (13) straight sections (2) side, to foreign side's bending, form bend (33) from straight sections (2).Add man-hour carrying out this, calculate in advance when reversing tube connector (13) in subsequent handling, a side the crawl phase pushing figure of portion (12) of portion (11) and the opposing party that crawls as shown in figure 23, tilts bend (33), makes straight sections (2) staggered positions mutually in advance.And then, the tube connector (13) that connects them is carried out bending machining, as shown in figure 24, make side portion (11) and the opposing party portion (12) arranged opposite of crawling of crawling.The bending machining of formation of this bend (33) and tube connector (13) can be carried out according to the bigger radius of curvature that undesirable conditions such as not making tube connector (13) fracture takes place.
Then,, reverse tube connector (13), but when carrying out this reversing, bend (33) can be configured in the insertion gap (17) of fin member (5) along circumferencial direction with respect to the direction of principal axis of straight sections (2).Reverse operation by this, as shown in figure 25, a side the crawl straight sections (2) of portion (12) of portion (11) and the opposing party of crawling is disposed each other abreast, simultaneously, opposed interval (16) is narrower, and bend (33) is received to be configured to and inserts in the gap (17), thereby can be not outstanding to foreign side.
And then, in embodiment 15, form in bending on the both ends of the surface (6) (7) of folding surface (14) side of fin member (5) of corrugated, by the interval at corresponding above-mentioned opposed interval (16), engaging groove (8) is set.As shown in figure 22, set in the insertion gap (17) that layering forms between straight sections (2), just can form heat exchanger (10) by this fin member (5) is inserted.And then as clamping components, the carriage (35) and the fixed head (36) that utilize metal material to make grip this heat exchanger (10).And, in Figure 22, the expression state that carriage (35) and fixed head (36) partly separate of sening as an envoy to, but this carriage (35) and fixed head (36) are at the state of clamping coil main body (1) and fin member (5), by welding, riveted joint etc., interfix to assemble and join.And then, by being inserted, bolt (22) passes carriage (35) and fixed head (36), be fixed on the inferior respective members of base plate, carry out the setting of heat exchanger (10).In addition, consider ventilation and lightweight etc., and on carriage (35), offer the window portion (29) of a plurality of circles, on fixed head (36), offer the window portion (29) of rectangle.
In the configuration of such heat exchanger (10), from side portion (11) and the opposing party wind that the parallel direction at opposed interval (16) of portion (12) blows that crawls that crawls, can pass through fin member (5), by the bigger surface area of fin member (5), can carry out heat exchange with the fluid high-effective ground in the coil main body (1).In addition, opposed interval (16) that portion (11) and the opposing party crawl between the portion (12) is narrower by a side is crawled, and just can make the width of fin member (5) form narrowlyer.Thereby, can obtain the compact heat exchanger (10) of thinner thickness, can improve and hold efficient, make the configuration free degree when being provided with higher.
In embodiment 16 as shown in figure 26, identical with the foregoing description 15, reverse a side crawl the tube connector (13) between the portion (12) of portion (11) and the opposing party that crawls, make opposed interval (16) narrower, fin member (5) is inserted in the insertion gap (17) that sets formation between straight sections (2), form heat exchanger (10).Fin member (5) bending of using in this embodiment 16 forms corrugated, simultaneously, on the opposed both ends of the surface (6) (7) that do not have bending one side of this corrugated fin member (5), is provided with the engaging groove (8) of engaging straight sections (2).
Set aforesaid fin member (5) by insertion, can make wind pass through fin member (5), carry out heat exchange along the direction parallel with the insertion gap (17) of straight sections (2).Therefore, can facing to the wind direction of the foregoing description 15 orthogonal directions, set heat exchanger (10).Like this, as embodiment 15, embodiment 16, direction by making fin member (5) with respect to straight sections (2) axially along the circumferential direction half-twist set, the wind direction that the place is set that just can corresponding heat exchanger (10) sets, and can bring into play the good heat exchange performance of heat exchanger of the present invention (10) effectively.
In addition, at the foregoing description 15, among the embodiment 16, by being inserted, fin member (5) sets in the insertion gap (17) that between straight sections (2), forms, and a side is crawled, and opposed interval (16) that portion (11) and the opposing party crawl between the portion (12) is narrower, and the heat exchanger (10) of the thinner thickness of the width of formation fin member (5), but shown in embodiment 1～embodiment 8 grades, even crawl portion (11) and the opposing party of a side crawled interval between the portion (12) as the insertion gap (17) of inserting fin member (5), by making this insertion gap (17) narrower, also can form slim heat exchanger (10).For this reason, identical with embodiment 15, embodiment 16, after a side is crawled portion (11) and the opposing party crawl portion (12) arranged opposite, by reversing tube connector (13), just a side can be crawled portion (11) and the opposing party insertion gap (17) between the portion (12) minimum profile curvature radius when making than bending machining straight sections (2) that crawls is narrow.And then the thickness of the short transverse by will being provided in the fin member (5) in this insertion gap (17) forms thinlyyer, just can obtain slim compact heat exchanger (10).
Because utilizing the tabular fin of the various embodiments described above or the fin member (5) of corrugated fin formation all is that each fin (4) is set along the plane, therefore, in order to make outer gas stream efficiently by between each fin (4), just necessary corresponding wind direction, dispose the surface of each fin (4) abreast, the direction that is provided with of heat exchanger (10) is restricted.For head it off, in embodiment 17 as shown in figure 27,, and inclined plane (34) is set with the end one side bending of corrugated or tabular each fin (4).Like this, by inclined plane (34) is set, just with the surperficial parallel wind of fin (4), and also between fin (4), pass through from the wind of incline direction, can improve the contact frequency of outer gas stream and fin member (5), heat exchange performance is improved.Further,, also can produce agitaion, thereby produce the surface of fin (4) and the turbulent flowization or the mixing effect of outer gas stream,, can promote heat exchange by peeling off of boundary layer etc. to outer gas stream by this inclined plane (34).In addition, needn't dispose fin member (5) by strictly corresponding wind direction, the configuration direction of heat exchanger (10) is unrestricted, becomes configuration free degree high product.
In addition, in above-mentioned embodiment 6, in the manufacturing process of fin member (5), on each fin (4), offer the opening (23) of rectangle, but in embodiment shown in Figure 28 18,, promptly use so-called perforated plate (perforated metal spare) by offering opening (23) in advance, make fin member (5), can save the trouble that opening (23) are set.In addition, in present embodiment 18, used the fin that offers circular opening (23), offer the above polygonal of ellipse, Long Circle, star, gear shape, triangle, rectangle, cross, pentagon and the opening (23) of other shape, the perforated plate of the opening (23) that perhaps several combination of shapes are got up but also can use.
Like this, by opening (23) is set, edge part increases, and can advance the turbulent flowization or the stirring that promote to flow through the outer gas stream between fin (4) more, utilize peeling off of boundary layer, the heat exchanger effectiveness by the interior outer fluid of fin member (5) is improved.In addition, because of the punched area of this opening (23) 10～50% degree of the surface area of fin (4) preferably.At the die-cut area of this opening (23) if less than 10%, just can not produce the turbulent flowization of the outer gas stream that promotion causes by opening (23) is set or the effect of stirring, when greater than 50% the time, then heat transfer area reduces, and the heat conductivity of fin member (5) is reduced, and, make each fin (4) become fragile, perhaps can produce runout (Block レ) that blast causes etc.
In addition, in the foregoing description 15～embodiment 18, also can be in filling molten resin material in engaging groove (8) and the contact site of straight sections (2), make it bonding mutually, the coil main body (1) that is equipped with the resin coating rete is connected with fin member (5), by the fusing of resin coating rete, make it bonding mutually.In addition, as shown in figure 21, also can use the coil main body (1) that is provided with jog (31).
In the various embodiments described above, show the embodiment that heat exchanger (10) is implemented as the cartridge of automobile, but also can be as other fluid cooling tube of automobile, the perhaps fluid cooling tube of building machinery, adjust the air conditioner of living space humiture, the suction heat radiation of various pipe arrangements, and general industry is used, heating installation is used, hot water is used or other heat exchanger, in any case it is good to obtain heat exchange performance, and the product of cheap compact.
In addition, by using all good heat exchanger of such heat exchange performance, durability, configuration, can improve the fluid cooling tube of automobile or building machinery, adjust the suction heat radiation of the air conditioner of living space humiture, various pipe arrangements, and general industry is used, heating installation is used, hot water is used or the heat exchange performance and the durability of other heat exchanger, simultaneously, can realize the densification of these products.
Claims (23)
1. a heat exchanger is characterized in that,
Have:
The fin member makes a plurality of fins arranged side by side, is arranged with a plurality of engaging grooves on opposed both ends of the surface at regular intervals in parallel; And
The coil main body, it separates opposed interval, dispose the interior a plurality of straight sections of engaging groove that are used to be provided in this fin member abreast, the insertion gap that separates the fin member, disposing a pair of portion of crawling that has connected these a plurality of straight sections by bending part opposed to each other, and, connect this opposed side portion and the opposing party portion of crawling of crawling by tube connector
Crawl in the insertion gap of the fin member that forms between the portion crawl portion and the opposing party of a side of this coil main body, insertion sets the fin member, in the engaging groove of an end face of this fin member, set the crawl straight sections of portion of a side, in the engaging groove of another end face, set the crawl straight sections of portion of fixing the opposing party.
2. a heat exchanger is characterized in that,
Have:
A plurality of fin members make a plurality of fins arranged side by side, and a plurality of engaging grooves at regular intervals be arranged in parallel on opposed both ends of the surface; And
The coil main body, it separates the insertion gap of fin member, dispose the interior a plurality of straight sections of engaging groove that are used to be provided in this fin member abreast, separate opposed interval, disposing a pair of portion of crawling that connects these a plurality of straight sections by bending part opposed to each other, simultaneously, connect this opposed side portion and the opposing party portion of crawling of crawling by tube connector
Crawl portion and the opposing party of one side of this coil main body crawled the opposed straight sections of portion as a pair of, in the insertion gap of adjacent many a plurality of fin members that hierarchically form between to straight sections, stride across side portion and the opposing party portion of crawling of crawling, insert respectively and set each fin member, in the engaging groove of an end face of this fin member, set a side straight sections, in the engaging groove of another end face, set fixedly the opposing party's straight sections.
3. heat exchanger as claimed in claim 1 is characterized in that,
One side portion and/or the opposing party portion of crawling of crawling is equipped with the fin member in the outside of its opposed portion, in the engaging groove of this fin member, sets and the fixing outer surface of straight sections.
4. heat exchanger as claimed in claim 2 is characterized in that,
One side portion and the opposing party portion of crawling of crawling, the outside its many at least one sides to straight sections in the straight sections, that be disposed at both ends sets the fin member, in the engaging groove of this fin member, sets and fix the outer surface of this straight sections.
5. as claim 1,2,3 or 4 described heat exchangers, it is characterized in that,
The fin member forms by setting the tabular fin of polylith side by side, in the opposed two ends of each tabular fin outer rim, is provided with the engaging groove.
6. as claim 1,2,3 or 4 described heat exchangers, it is characterized in that,
The fin member is formed by the corrugated fin that sheet material is bent into corrugated, on the opposed both ends of the surface of the folding surface side of this corrugated fin, is provided with the engaging groove.
7. as claim 1,2,3 or 4 described heat exchangers, it is characterized in that,
The fin member is formed by the corrugated fin that sheet material is bent into corrugated, on the opposed two sides of the non-folding surface side of this corrugation fin, is provided with the engaging groove.
8. as claim 1,2,3,4,5,6 or 7 described heat exchangers, it is characterized in that,
The engaging groove forms by the fin member is cut into concavity.
9. as claim 1,2,3,4,5,6 or 7 described heat exchangers, it is characterized in that,
The engaging groove becomes concavity to form by making fin members crimp.
10. heat exchanger as claimed in claim 9 is characterized in that,
The concavity crimp of fin member is carried out like this, follows this crimp, makes the side-prominent expansion flange of each fin two and the near each other to each other or butt of flange of adjacent fin, and this expansion flange is contacted with the outer peripheral face formation face of coil main body.
11. as claim 1,2,3,4,5,6,7,8 or 9 described heat exchangers, it is characterized in that,
The coil main body is pressed in the engaging groove straight sections, and wherein straight sections forms wideer than the formation width of engaging groove.
12. as claim 1,2,3,4,5,6,7,8,9 or 10 described heat exchangers, it is characterized in that,
The coil main body, its cross section with straight sections forms flat pattern, and it is narrower than the formation width of engaging groove that flat minor axis portion is formed, simultaneously, it is wideer than the formation width of engaging groove that flat length-diameter part is formed, and makes length-diameter part be positioned at bottom and the peristome direction of engaging groove, with this pancake straight sections be provided in the engaging groove interior after, this straight sections is carried out expander, its outer peripheral face is fitted in the engaging groove.
13. heat exchanger as claimed in claim 1 is characterized in that,
The coil main body, it is bent into arcuation with a side the crawl straight sections of portion of the straight sections of portion and the opposing party of crawling, so that opposed faces is protruded to the inside, by clamping close device, the straight sections that is bent into this arcuation is engaged in the engaging groove point-blank.
14. as claim 1 or 12 described heat exchangers, it is characterized in that,
The coil main body grips one side's crawl opposed bending part of portion of portion and another group that crawls with clamping components.
15. as claim 3 or 4 described heat exchangers, it is characterized in that,
Be provided in a side the crawl fin member of portion outside of portion and/or the opposing party that crawls, grip with clamping components.
16. as claim 1,2,3,4,5,6,7,8,9,10,11,12,13 or 14 described heat exchangers, it is characterized in that,
Coil main body and fin member, straight sections is set the engaging groove in after, filling molten resin material in its mutual contact site is bonded to each other together it.
17. as claim 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 or 16 described heat exchangers, it is characterized in that,
The coil main body is equipped with the resin coating rete at its outer peripheral face.
18. heat exchanger as claimed in claim 17 is characterized in that,
The resin coating rete that is provided in coil main body outer peripheral face is the thermoplastic resin material, in straight sections being set the engaging groove after, make its fusing by heating, resin coating rete fusing is bonded in the engaging groove of fin member.
19. as claim 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 or 18 described heat exchangers, it is characterized in that,
Coil main body and fin member, in straight sections being set the engaging groove after, its outer surface is implemented coating handles.
20. as claim 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18 or 19 described heat exchangers, it is characterized in that,
The coil main body is by crawl tube connector between the portion of the side after the configured in parallel straight sections is crawled portion and the opposing party, reverses along circumferencial direction with respect to the direction of principal axis of straight sections, and a side is crawled, and interval that portion and the opposing party crawl between the portion is narrow.
21. as claim 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18 or 19 described heat exchangers, it is characterized in that,
The coil main body, by making a crawl side the straight sections side direction foreign side bending of the tube connector between the portion of portion and the opposing party of crawling of one side, simultaneously, direction of principal axis with respect to straight sections reverses tube connector along circumferencial direction, one side is crawled, and interval that portion and the opposing party crawl between the portion is narrow, and, dispose a side the crawl straight sections of portion of portion and the opposing party of crawling in parallel to each other.
22. as claim 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20 or 21 described heat exchangers, it is characterized in that,
For the fin member, the end side of its each fin of bending also is provided with the inclined plane.
23. as claim 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21 or 22 described heat exchangers, it is characterized in that,
For the fin member, on its each fin, form a plurality of openings.
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| JP2003417320 | 2003-12-15 | ||
| JP417320/2003 | 2003-12-15 | ||
| JP165665/2004 | 2004-06-03 |
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| CN100541104C CN100541104C (en) | 2009-09-16 |
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