CN106123652B

CN106123652B - Heat-exchangers of the plate type, oil cooling system and method for cooling

Info

Publication number: CN106123652B
Application number: CN201610473751.4A
Authority: CN
Inventors: 古斯塔夫·冯埃克曼; 布莱斯·乔利
Original assignee: Titan Holding Co
Current assignee: Titan Holding Co
Priority date: 2010-06-16
Filing date: 2011-06-10
Publication date: 2019-04-05
Anticipated expiration: 2031-06-10
Also published as: CN106123652A; EP2583046A4; JP2013528779A; EP2594885B1; PL2583046T3; EP2594885A2; CN102939509B; SE536042C2; PL2594885T3; EP2583046B1; WO2011159227A1; US20130092359A1; CN102939509A; EP2594885A3; BR112012031685A2; EP2583046A1; SE1050615A1; BR112012031685B1

Abstract

This application involves a kind of heat-exchangers of the plate type, oil cooling system and method for cooling.A kind of heat exchanger for oil cooler includes at least two heat exchanger members of each self-enclosed corresponding first passage (12), a second channel (7) is wherein formed between this at least the two heat exchanger members (10,10 ').There are through-hole, the through-holes to provide outside the heat exchanger to the entrance of the second channel at least one of these heat exchanger members.

Description

Heat-exchangers of the plate type, oil cooling system and method for cooling

The application be the applying date be on June 10th, 2011, application No. is 201180027873.6, it is entitled " board-like The divisional application of the application of heat exchanger, oil cooling system and method for cooling ".

Technical field

Present disclosure is related to heat exchanger, and is more specifically to the oil cooler being adapted for use as in heavy vehicle Heat exchanger.

Present disclosure integrates (SFI) formula plate heat exchanger more particularly to a so-called single stream, that is, one of fluid circuit with The form of plate beam integrates one of them heat exchanger, and the heat exchanger substantially immerses in another fluid circuit, Another fluid circuit is typically wherein mounted with that the cavity of the heat exchanger is closed by one.

However, present disclosure be also applied for it is so-called it is bis- (or more) the integrated heat exchanger of stream, that is, all fluid circuits Heat exchanger therein is incorporated into the form of plate beam, and therefore these heat exchangers do not need to be installed in one it is closed In cavity.

Background of invention

A kind of heat exchanger as the oil cooler in such as heavy vehicle can be formed by multiple parallel plates, these Parallel plate can be stacked as so that forming multiple parallel channels between the plates.Typically, pacified every a channel Carrying cooling medium stream is lined up, and other channels are arranged to carry the medium flow field of fever.These plates can be brazed Together to form a single heat exchanger unit.

It is disclosed in (for example) WO90/13394A1 and WO2004027334A1 and is used to form such a heat exchanger Basic principle.

A kind of integrated heat exchanger of list stream is that inside carries a kind of heat exchanger of medium, and is substantially dipped into another In a kind of medium.

In use, heat exchanger is typically arranged in a cavity, so that cooling medium is flowed through this cavity, send out simultaneously Thermal medium is fed an entrance opening across the heat exchanger, across multiple channels for the heat emitting medium, Zhi Houtong The one outlet opening for crossing the heat exchanger extracts cooling heat emitting medium.Therefore, it is for these channels of the cooling medium At least partly open to the cavity.

JP 2005337528A disclose utilize multiple extensions around the oil duct for the oil cooler of automobile or One circular ridge is to eliminate the washer being used between heat exchanger piece originally, so as to power raised caused by being subjected to because of oil pressure Region in provide heat exchanger structural intergrity.

In the heat exchanger of this type, it is desirable to improve the efficiency of heat exchanger, so that one can be passed through A smaller and/or lighter heat exchanger is realized a greater degree of cooling.

However, in terms of the intensity for not only needing to consider heat exchanger itself, but also needing to consider installation when designing heat exchanger Aspect needs the shape in mounted space including heat exchanger and is respectively used to medium to be cooled and cooling medium Port and the position of inlet/outlet.

Therefore, with regard to providing increased freedom degree in heat exchanger designs while the intensity and effect of maintenance or raising heat exchanger For rate, for the development of further technology, there is a kind of needs.

It summarizes

The general purpose of present disclosure is to provide alleviation or eliminates a kind of heat exchanger and one of these defects of the prior art Kind heat exchanger system.

The specific purpose of present disclosure, which is to provide permission, to be had freedom degree in design aspect while maintaining or improving heat exchanger Intensity and efficiency a kind of heat exchanger and a kind of heat exchanger system.

Another purpose of present disclosure is to provide a kind of lighter and/or more compact heat exchanger system.

The present invention as accompanying independent claim, by dependent claims, attached drawing and described in being described below Multiple embodiments limit.

According in a first aspect, provide a kind of heat-exchangers of the plate type for oil cooler herein, the heat-exchangers of the plate type packet It includes: at least two heat exchanger members, each self-enclosed corresponding first passage of these heat exchanger members；One arrival end Mouthful, for a kind of medium to be sent to these first passages；And one outlet port, for extracting Jie from these first passages Matter.A second channel is formed between at least two heat exchanger member.It is present in one of second channel medium It is isolated with one of first passage medium is present in.There are a through-holes at least one of these heat exchanger members Or perforation recess, this through-hole or perforation recess pass through the first passage from a face of the heat exchanger member and extend to the heat One second of exchanger component, on opposing face and provide outside the heat exchanger to the entrance of the second channel.

In one embodiment, the application provides a kind of heat-exchangers of the plate type for oil cooler, which hands over Parallel operation includes:

At least two heat exchanger members, each self-enclosed corresponding first passage of these heat exchanger members；

One ingress port, the ingress port are used to a kind of medium being sent to these first passages, and

One outlet port, the outlet port are used to extract the medium from these first passages,

Wherein, a second channel is formed between at least two heat exchanger member, is present in the second channel A kind of medium be isolated with one of first passage medium is present in, and

The second channel is arranged to be connected with a space for closing the heat exchanger；

It is characterized in that,

At least one of these heat exchanger members there are a through-hole or perforation recess, the through-hole or perforation recess from One face of the heat exchanger member pass through the first passage extend to one second of the heat exchanger member, on opposing face simultaneously And it provides outside the heat exchanger to the entrance of the second channel.

It should be understood that the first passage is to be isolated from each other with the second channel as common in a heat exchanger It and is therefore not connection each other.

Pass through above-mentioned heat exchanger, it is possible to increase effective heat exchange area.For heat exchanger to be attached to it In the heat exchanger is scheduled cavity wall on multiple bolts engaged simultaneously in the rear side of the heat exchanger with a mounting plate And it can be enterable by the through-hole.Alternatively or as a kind of supplement, a recess can be provided with accommodating cavity Wall in an extension.

The second channel can be open on a direction parallel with the principal plane of these heat exchanger members.Example Such as, which can be open in the short end portion of heat exchanger.

Therefore, it is possible to more freely position multiple bolts hole or recessed on the effective coverage (" footprint ") of heat exchanger It falls into, and therefore utilizes the major part in the space used for the heat exchanger.These heat exchanger members may exist one A corresponding through-hole or perforation recess, wherein these through-holes or perforation recess can be and be substantially mutually aligned.

The through-hole or perforation recess can be spaced apart with all neighborings of heat exchanger member.

Should " through-hole or perforation recess be spaced apart with all neighborings of heat exchanger member " effectively mean that the The medium flowed in two first passages can be around the through-hole or perforation recess flowing.

An edge for limiting the through-hole or perforation recess can be with an edge of heat exchanger in a corresponding phase Point of intersection intersection, the through-hole or perforation recess may exist a central angle, and a plurality of side of the central angle is in the corresponding phase There are a corresponding point of contacts for point of intersection, and the central angle can be approximately less than 180 degree, are approximately less than 135 degree or are approximately less than 90 degree.

Therefore, the through-hole or perforation recess can be positioned at an at the edge part of heat exchanger.

There may be tight for the heat exchanger plate (these heat exchanger plate facing each other) of the heat exchanger member of two separation At least one corresponding extension that the adjacent through-hole or perforation recess and/or an oily port arrange, and these extensions can To abut each other.

Such extension provides increased intensity while the negative effect to heating surface is minimized.When as described above When combining with these through-holes or perforation recess, this can be particularly advantageous, this is because will make another heat transfer Surface is available around these oily ports.

The heat exchanger plate of these facing each other there may be it is multiple against extension.

At least one of these extensions can be formed a ridge.

At least two in these extensions can have different shapes.

These against extension can be coupled to each other.It can be realized by (for example) melting welding, brazing, soldering or adhesive Connection.

The heat exchanger may further include a third heat exchanger member, which is arranged At one of the two neighbouring heat exchanger members and there is a through-hole or perforation recess, the through-hole or perforation recess are along the heat The normal of the principal plane of exchanger is aligned with other through-holes or perforation recess, wherein can be in the third heat exchanger member and this At least one washer is arranged between one heat exchanger member in two heat exchanger members.

The heat exchanger may further include a mounting flange, and there are a recess, the recess quilts for the mounting flange It is positioned to accommodate at least one of these extensions.Such a mounting flange can with there are any heat of multiple extensions Exchanger is used together, and can also be used there is no through-hole or recess.

There may be a corresponding through-hole or perforation recess at least two heat exchanger member, and these are corresponding Through-hole or perforation recess can be at least partly overlapped, to form the through-hole or perforation recess of one group of overlapping.The heat exchange Device may further include at least one installation component, and for the installation component there are a mounting hole, which is that can pass through The through-hole or perforation recess of these overlappings are enterable.

In alternative solution, not all heat exchanger members of the heat exchanger can have a corresponding through-hole Or perforation recess.

A through-hole or perforation recess for one of these heat exchanger members can be less than in these heat exchanger members The through-hole or perforation recess of another a overlapping.

All heat exchanger members can have a corresponding through-hole or perforation recess, and these through-holes or pass through Logical recess can be substantially mutually aligned along the normal of the principal plane of these heat exchanger members, to form the logical of one group of alignment Hole or perforation recess.

The through-hole or perforation recess of first group of alignment can be arranged to relative to passing through an associated first oily end Mouthful center a longitudinal centre line at a first angle and with the center of the first oily port at a distance of one first away from From, and the through-hole of second group of alignment or perforation recess can be arranged to relative to the longitudinal centre line into a second angle And the center with the first oily port is at a distance of a second distance.

The through-hole or perforation recess of first group of alignment are arranged to relative to the multiple oily ports for passing through the heat exchanger One longitudinal centre line at center at a first angle and with the center of one first oily port at a distance of a first distance, And the through-hole or perforation recess of second group of alignment be arranged to relative to the longitudinal centre line at a second angle and with The center of the first oily port is at a distance of a second distance.

The first distance and the second distance, which can be, to be essentially equal.The first angle can phase with the second angle Difference about 180 degree.In an alternative solution, which can be differed with the second angle less than 180 degree, be approximately less than 135 degree or it is approximately less than 90 degree.In a further alternative, which can differ more than 180 degree with the second angle, More than about 225 degree or about 270 degree more than.

The through-hole or perforation recess of first group of alignment can be arranged in multiple oily ports of the heat exchanger On first side of one longitudinal centre line of the heart, and the through-hole of second group of alignment or perforation recess can be arranged at the longitudinal direction In second side of center line.

The horizontal line and the longitudinal centre line extended across the through-hole of this two groups of alignment or the center of perforation recess can be with It is substantially vertical.

The horizontal line extended across the through-hole of this two groups of alignment or the center of perforation recess can exist with the center line One angle, the angle are approximately less than 90 degree, or are approximately less than 75 degree, or are approximately less than 60 degree or are approximately less than 45 degree.

The x wire extended across the through-hole of this two groups of alignment or the center of perforation recess is deposited with the longitudinal centre line In an angle, which is approximately less than 90 degree, or is approximately less than 75 degree, or is approximately less than 60 degree or is approximately less than 45 degree.

It should be understood that a heat exchanger can have the through-hole or perforation recess groups of multipair alignment, one pair of them X wire and the longitudinal centre line can be substantially vertical, and the x wire of another pair can be deposited with the longitudinal centre line It is being approximately less than 90 degree of an angle.

One or more in these x wires can intersect with an oily port.In one embodiment, a cross The center that an oily port can be passed through to line extends.

At least one of these heat exchanger members there may be at least two through-holes or perforation be recessed these through-holes or Perforation recess is provided outside the heat exchanger to the entrance of second channel.

According to second aspect, a kind of heat exchanger for oil cooler is provided herein, which includes at least three The heat exchanger member of a stacking, each self-enclosed corresponding first passage of these heat exchanger members.In the heat exchange Adjacent one corresponding second channel of formation between the two in device component.One oily port passes through these heat exchanger members Extend and is connected with corresponding first passage.Multiple hot surfaces (these hotlists of first pair of adjacent heat exchanger member Face to each other and form an associated second channel) exist and corresponding stretched close at least one of oil port arrangement Portion out, and wherein these extensions abut each other.Second pair of adjacent heat exchanger member passes through the week around the oil port At least one substantially planar component (for example, a washer) that long substantial portion extends separates.

In one embodiment, the application provides a kind of heat exchanger for oil cooler, which includes:

At least three heat exchanger members stacked, these heat exchanger members each self-enclosed one corresponding first logical Road；

One corresponding the is wherein formed between two adjacent heat exchanger members in the heat exchanger member Two channels；

One of oil port passes through these heat exchanger members and extends and connect these corresponding first passages；

The wherein surface of first pair of adjacent heat exchanger member, these surfaces are to each other and formation one associated Second channel, there is at least one the corresponding extension arranged close to the oil port, and wherein these extensions are each other Against；And

Wherein second pair of adjacent heat exchanger member is extended extremely through the substantial portion of the perimeter around the oil port A few substantially planar component, e.g., a washer separates.

According to the third aspect, a kind of oil cooling system is provided herein, which includes a cavity, cavity tool There are a liquid cooling medium entrance and a liquid cooling medium outlet；For having an oil-in of oil to be cooled and use In an oil export of cooling oil；And a heat exchanger as described above, the heat exchanger are substantially closed in In the cavity.

Second channel can be formed at least partly by the cavity that the heat exchanger is wherein scheduled.

Second channel is at least partly formed by the cavity.

According to fourth aspect, provides a kind of cool down the oil in vehicle using an oil cooling system as described above herein Method, this method includes making to have oil to be cooled to pass through first passage from oil-in to flow to oil export, and keep liquid cold But medium passes through second channel from liquid cooling medium entrance and flow to liquid cooling medium outlet.

In one embodiment, the application provides a kind of for cooling down vehicle using oil cooling system as described above In oil method, this method comprises:

Making, which has oil to be cooled to pass through the first passage from the oil-in, flow to the oil export, and

So that liquid cooling medium is passed through the second channel from the cooling medium entrance and flow to cooling medium outlet.

Detailed description of the invention

Fig. 1 is the perspective schematic view of a heat exchanger for an oil cooling system.

Fig. 1 a to Fig. 1 e is the section view of the heat exchanger along Fig. 1.

Fig. 2 a to Fig. 2 d is the partial cross section view of the alternate embodiment of heat exchanger member.

Fig. 3 a to Fig. 3 b is the section view of the alternate embodiment of the heat exchanger for oil cooler.

Fig. 4 a to Fig. 4 b is the schematic diagram of oil cooling system.

Fig. 5 a to Fig. 5 d is the perspective schematic view of the alternate embodiment of heat exchanger member.

Fig. 6 a to Fig. 6 b schematically illustrates a pair of of heat exchanger member according to an alternate embodiment.

Fig. 7 is the diagrammatic cross-sectional view according to a part of a heat exchanger of another kind construction.

Fig. 8 is the schematic diagram according to a heat exchanger member of another embodiment.

Fig. 9 a to Fig. 9 c schematically illustrates a mounting flange.

The explanation of embodiment

Fig. 1 is the schematic diagram of a heat exchanger 1 for oil cooling system.The heat exchanger is intended to such as Fig. 4 a to Fig. 4 b Middle shown is mounted, that is, is substantially longitudinally mounted in a cavity 8, which can be partly by the one of vehicle A cluster engine is formed.Heat exchanger 1 have by a first passage 12 and multiple coolants be open 5,6 connections oily port 3, 4, these coolants opening permission coolant flows through multiple corresponding second channels 7 of heat exchanger 1.First passage 12 with Second channel 7 is kept completely separate, so that the fluid across them will not contact with each other.

These first passages 12 are respectively freely formed the heat exchanger that a pair of a heat exchanger member 10 is linked together Plate 17,18 limits.These heat exchanger plates can be linked together by (for example) melting welding, brazing, soldering or adhesive.These The edge of heat exchanger plate can be folded relative to each other as shown in Fig. 2 a to Fig. 2 d.This is not only suitable for neighboring, and suitable For the edge at multiple through-holes or perforation recess 9,11 and/or multiple oily ports 3,4.

Heat exchanger 1 can further have multiple mounting flange 2a, 2b, these mounting flanges are intended for heat exchange Device 1 is fixed on the wall of cavity 8.These mounting flanges 2a, 2b can have hole and/or bolt for multiple oily ports 3,4 Hole 20a, 20b.

At each oily port 3,4, it is formed with an inlet/outlet channel, which can extend through All heat exchanger members 10 are so that these oily ports 3,4 are connected to corresponding first passage 12.The heat exchanger with end It the opposite side in mouth side (upside in Fig. 1) can be equipped with oil duct lid 3a, 4a for closing the inlet/outlet channel.

Referring specifically to Fig. 1 a, Fig. 1 c and Fig. 1 d, heat exchanger 1 can have offer and lead to the more of mounting flange 2a, 2b A through hole 9.The diameter of these through holes 9 can be greater than the diameter of associated bolt hole 20a, 20b, so that can wear The through hole is crossed to introduce a fixed device (for example, screw, bolt or rivet (not shown)) and allow the fixation device Head portion is engaged with mounting flange 2a, 2b.

As best seen in figs. 1 and la, can be around oily port 3,4, and can also be provided around these through-holes 9 From the extension 170,180 of heat exchanger plate 17,18.The one of one of these heat exchanger plates 17 of first heat exchanger component 10 A extension 170 can be with a corresponding stretching of a second, heat exchanger plate 18 of adjacent heat exchanger member 10 Portion 180 is aligned, so that these extensions 170,180 are contacting one another.These extensions 170,180 can be by (for example) Melting welding, brazing, soldering or adhesive are coupled to each other together.It can be by being rushed to the material for forming these heat exchange components Pressure is perforated to provide multiple extensions.Alternatively, it can add material on the surface of the heat exchanger member with shape At these extensions.

A to Fig. 2 d referring to fig. 2 discloses the different modes being connected with the edge of heat exchanger plate 17,18.

In fig. 2 a, the edge of 18 the two of upper board 17 and lower panel is folded about 90 degree, in this way these marginal portions It will be overlapped along the thickness direction of the heat exchanger member.In the specific embodiment shown in, lower panel is extended beyond Portion's plate, so that the vertical portion of lower panel 18 is outside the vertical portion of upper board 17.Therefore, these plates with the heat exchange Couple in a substantially vertical plane of the principal plane of device component.

In figure 2b, the edge of both upper board 17 and lower panel 18 is bent so that these plates with the heat exchanger Couple in a substantially parallel plane of the principal plane of component.

In figure 2 c, the edge of 18 the two of upper board 17 and lower panel is folded about 90 degree, in this way these marginal portions It will be overlapped along the thickness direction of the heat exchanger member.In the specific embodiment shown in, upper board 17 is extended beyond Lower panel 18, so that the vertical portion of upper board 17 is outside the vertical portion of lower panel 18.Therefore, these plates with the heat Couple in a substantially vertical plane of the principal plane of exchanger component.

In figure 2d, upper board 17 there is no bending, and lower panel 18 is bent, so that be substantially perpendicular to One wall of the principal plane of the heat exchanger member is formed by lower panel 18 completely.The edge of lower panel 18 is by further curved Song is to close the edge of upper board 17.

Although it should be pointed out that all edge configurations disclosed in Fig. 2 a to Fig. 2 d may be used to form these heat The neighboring of exchanger component, but through-hole 9 is formed using the edge configurations disclosed in Fig. 2 a into 2d as described herein Or it is also possible for accommodating the edge of recess 11.In addition, one of these configurations can be used for neighboring, and another kind is configured quilt For through-hole and/or for accommodating recess.Different configurations is used for through-hole and/or is used to through-hole and accommodates recess be also possible 's.

Referring to Fig. 3 a, discloses and be wherein provided with an embodiment for accommodating recess 11.In this embodiment In, which is formed by the through-hole in two uppermost heat exchanger members 10.The uppermost heat exchanger member leads to Hole is slightly larger than the through-hole of the second high heat exchanger member.It can be with it should be appreciated that forming multiple through-holes that one accommodates recess It is provided as and a (for example) extension is contained in necessary heat in the cavity 8 for needing for heat exchanger to be positioned in Exchanger component is as many.

Referring to Fig. 3 b, be disclosed herein wherein extension 170,180 be used together with washer 19 be aligned at same group it is logical An embodiment at hole (access aperture accommodates recess) or multiple oily ports.The combination of multiple extensions and multiple washers can For by using washer simultaneously between the heat exchanger member of other pairs between certain pairs of heat exchanger member 10 Optimize the weight-strenth ratio for making the (for example) heat exchanger using extension.For example, these heat exchangers can influenced Multiple washers 19 are used in the very big situation of the power of part, and can be subjected to less serious power in these heat exchanger members In the case of use multiple extensions 170,180.

It is possible that replacing between multiple washers and multiple extensions, so that multiple washers are made every a contact With, and multiple extensions are used for other contacts, as the left-hand part of Fig. 3 b is shown.

Alternatively or as a kind of supplement, it is possible to which multiple washers are used for the adjacent heat exchanger of more than two Part, and multiple extensions are used for one or several in these heat exchanger members.

A to Fig. 4 b referring to fig. 4, how illustrate using present disclosure can improve design freedom herein.

In fig.4, the coolant flow Fc to come in and the coolant flow of outflow move in substantially the same direction.? Multiple bolts hole 9 are provided on the two sides of one longitudinal centre line of heat exchanger 1.However, multiple bolts hole 9 be not along with this One line of central axis is aligned, but has one of an angle beta for being different from 90 ° along relative to the longitudinal centre line Line alignment.This angle can be approximately less than 80 °, be approximately less than 70 °, be approximately less than 60 °, be approximately less than 50 °, be approximately less than 40 ° or be approximately less than 30°.At least one oily port 3,4 can also be aligned as these bolts hole 9 on the same line.

In Fig. 4 a, Fig. 4 b, a longitudinal centre line at the center across these oily ports is defined.Therefore, angle beta for It is an absolute angle for the position of the through-hole of every group of alignment.The declinate θ between this some holes can be limited.In this some holes along wearing In the case where the single line alignment for crossing the center of oily port, this declinate θ will be 180 degree.

In fig. 4b, an embodiment is illustrated herein, wherein the coolant flow Fc to come in is with vertical with heat exchanger 1 It is reached at an angle to center line, and the coolant flow Fc wherein flowed out and the longitudinal centre line are substantially parallel.First To and second pair of bolt hole 9 may be provided such that between these lines and (bolt hole 9 of reply be aligned along these lines), Angle beta at the center of oily port is different between the bolt hole 9 of these pairs if it is required, then can be at a corresponding oily end The through-hole or bolt hole of such group other of alignment are provided at mouthful, for example, 3,4 or 5 groups of through-holes or bolts hole.

Referring to Fig. 5 a to Fig. 5 d, illustrating can be combined herein with oily port 3,4 and/or multiple access aperture/receiving recess Different extensions/ridge the pattern used.

Referring to Fig. 6 a to Fig. 6 b, the heat exchanger that this extension/ridge pattern is linked together in a pair is illustrated herein It may be different between component 10.As demonstrated, first ridge 180 ' of first heat exchanger plate 18 ' can be at one First party upwardly extends, and second ridge 170 ' of second heat exchanger component 17 ' can be in one second, different directions Upper extension.The first direction and the second direction can be substantially perpendicular to each other however, it is possible in adjacent heat exchanger Any angle between 0 ° and 90 ° is provided between multiple ridges of component 10.

Fig. 7 shows the heat exchanger formed by multiple heat exchanger members 10 " ' a, 10 " ' b, these heat exchangers Component is each formed as a substantially tubular shape component.It can be rolled by or fold one piece of metal plate or by squeezing shape At each component.In either case, a pressing step and/or insertion one can be carried out after forming the tubular element Other flanged structure increases hot transmitting.

It can be such as formation heat exchanger that multiple identical heat exchanger members are shown.Fig. 8 illustrates wherein through-hole 9 ' The embodiment intersected with the marginal portion of heat exchanger member 10IV.There are a central angle c, the central angles for the through-hole A plurality of side there are a corresponding point of contact, which can be with the intersection point weight between corresponding marginal portion and bore edges It closes.The central angle can be approximately less than 180 degree, be approximately less than 135 degree or be approximately less than 90 degree.In this connection, "center" is in hole It is substantially round or substantially will be counted as geometric center in the case where ellipse, or in the through-hole be asymmetric feelings It is counted as the center of gravity of the through-hole under condition.

Fig. 9 a to Fig. 9 c schematically illustrates a mounting flange 2 ', the mounting flange be adapted to it is disclosed herein Heat exchanger is used together.There is an access opening 21 in the mounting flange, which extends through peace under applicable circumstances Dress flange 2 ' is for introducing or extracting heat emitting medium or cooling medium.The mounting flange 2 ' there is also one or more recess 23a, 23b, 23c, 23d, 23e, 23f, 23g, 23h, these recess are adapted for will be formed in the heat exchanger plate one and stretch Portion is contained in the region covered by mounting flange 2 ' out.A kind of mounting flange in this way, it is possible to which a kind of heat friendship is provided Parallel operation, wherein all heat exchanger members are all identical, so that offer will be fitted close with mounting flange by eliminating A different, outmost heat exchanger member needs.

The mounting flange may further include one or more fixation holes 22.The mounting flange can be by single plate shape At wherein these recess are formed the recess that can be used as blind hole or through-hole provides.In disclosed embodiment, installation The plate of material 24,25 that flange 2 ' is separated by two is formed, wherein the first plate of material 24 can be merely with access opening 21 and multiple solid Determine hole 22 formation, and another plate also using formed these recess 23a, 23b, 23c, 23d, 23e, 23f, 23g, 23h it is multiple Through-hole is formed.At this moment, the plate of material for forming mounting flange 2 ' can have different materials.For example, one of these materials (example Such as, the first plate 24) it can be selected for suitable strength, and another (for example, second plate 25) can be selected to and copper Weldering process matches.

Claims

1. a kind of heat-exchangers of the plate type for oil cooler, comprising:

At least two heat exchanger members (10), each heat exchanger member close corresponding first passage (12)；

Entrance oil port is used to for medium being sent to the first passage, and

Oily port is exported, is used to extract the medium from the first passage,

Wherein, second channel (7) are formed between at least two heat exchanger member (10), is present in the second channel (7) medium in is isolated with the medium being present in the first passage (12), and

The second channel (7) is arranged to be connected with the space for closing the heat exchanger；

Wherein, in the heat exchanger member (10) there are at least two through-holes (9), the through-hole is from the heat exchanger member (10) the first face passes through the first passage (12) and extends to the second face of the heat exchanger member (10) and provide spiral shell The entrance of bolt, second face and first face on the contrary, the bolt is used to the heat exchanger being attached to wall, and

Wherein at least two through-hole (9) is spaced apart with all neighborings of the heat exchanger member (10),

Wherein the heat exchanger further includes mounting flange (2a, 2b), and the mounting flange is used for the heat exchanger (1) is solid Surely wall is arrived,

Wherein the mounting flange (2a, 2b) extends with surface, and the surface, which extends, is substantially less than at least two heat The surface in the face of exchanger component (10) extends and wherein the through-hole (9) provides entering to the mounting flange (2a, 2b) Mouthful, and

Wherein at least two through-hole (9) provides outside the heat exchanger to the entrance of the second channel (7).

2. a kind of heat-exchangers of the plate type for oil cooler, comprising:

Entrance oil port is used to for medium being sent to the first passage, and

Oily port is exported, is used to extract the medium from the first passage,

Wherein, there are through-hole (9) in the heat exchanger member (10), the through-hole from the heat exchanger member (10) The first passage (12) are passed through on one side to extend to the second face of the heat exchanger member (10) and the entrance of bolt is provided, Second face and first face on the contrary,

Wherein, the edge at the edge and the heat exchanger that define the through-hole (9) intersects at corresponding crosspoint,

Wherein, there are central angles for the through-hole (9), and there are corresponding at the corresponding crosspoint for the side of the central angle Point of contact, and

Wherein the central angle is less than 135 degree, and wherein

The heat exchanger further includes mounting flange (2a, 2b), and the mounting flange is for the heat exchanger (1) to be fixed to Wall, wherein

The mounting flange (2a, 2b) extends with surface, and the surface, which extends, is substantially less than at least two heat exchange The surface in the face of device component (10) extends and wherein the through-hole (9) provides the entrance for arriving the mounting flange (2a, 2b).

3. heat exchanger as described in any one of the preceding claims, the heat of the heat exchanger member (10) of two of them separation Exchanger plate exists to be arranged at least close to one of oily port in the through-hole (9) and/or entrance oil port and the outlet One corresponding extension (170,180；170 ', 180 '), the heat exchanger plate facing each other, and the wherein extension It abuts each other.

4. heat exchanger as claimed in claim 3, wherein there are multiple extensions for the heat exchanger plate of facing each other.

5. heat exchanger as claimed in claim 3, wherein at least one of described extension is formed ridge.

6. heat exchanger as claimed in claim 3, wherein at least two in the extension have different shapes.

7. heat exchanger as claimed in claim 3, wherein the heat exchanger includes:

Third heat exchanger member, the third heat exchanger member are arranged to neighbouring at least two heat exchanger member In a heat exchanger member, and have through-hole, the through-hole of the third heat exchanger member is along the heat exchanger The normal of the principal plane of part is aligned with the through-hole of at least two heat exchanger member,

Wherein, one heat exchanger in the third heat exchanger member and at least two heat exchanger member At least one washer is arranged between component.

8. heat exchanger as claimed in claim 3, wherein the mounting flange (2a, 2b) has recess, the mounting flange Recess be oriented to accommodate at least one of described extension.

9. heat exchanger as claimed in claim 1 or 2, there are corresponding perforations to be recessed for wherein at least two heat exchanger member (11), and wherein the corresponding perforation recess (11) at least partly overlaps each other, to form the perforation of one group of overlapping It is recessed (11).

10. heat exchanger as claimed in claim 9, wherein all heat exchanger members of the not described heat exchanger all exist Corresponding perforation is recessed (11).

11. heat exchanger as claimed in claim 9, wherein the perforation of one of described heat exchanger member is recessed, (11) are less than institute State the perforation recess (11) of the overlapping of another in heat exchanger member.

12. heat exchanger as claimed in claim 1 or 2, wherein principal plane of the through-hole (9) along the heat exchanger member Normal be substantially in alignment with each other, thus formed one group of alignment through-hole (9).

13. heat exchanger as claimed in claim 12, wherein

The through-hole (9) of first group of alignment be arranged to relative to pass through the heat exchanger entrance oil port and it is described go out The longitudinal centre line at the center of mouthful oily port at first angle and in entrance oil port and outlet oil port The center of first oily port away from the first distance, and

The through-hole (9) of second group of alignment is arranged at second angle and oily with the entrance relative to the longitudinal centre line The center of port and the described first oily port exported in oily port is away from the second distance.

14. heat exchanger as claimed in claim 13, wherein the first distance is to be essentially equal with the second distance 's.

15. heat exchanger as claimed in claim 13, wherein the first angle differs 180 degree with the second angle.

16. heat exchanger as claimed in claim 13, wherein the first angle is differed with the second angle less than 180 Degree.

17. heat exchanger as claimed in claim 13, wherein the first angle differs more than 180 with the second angle Degree.

18. heat exchanger as claimed in claim 12 is handed over wherein the through-hole (9) of first group of alignment is arranged at across the heat On first side of the longitudinal centre line of the entrance oil port of parallel operation and the center for exporting oily port, and the second group pair Neat through-hole (9) is arranged in second side of the longitudinal centre line.

19. heat exchanger as claimed in claim 18, wherein the transverse direction that the center for passing through the through-hole (9) of this two groups of alignment extends Line and the longitudinal centre line are substantially vertical.

20. heat exchanger as claimed in claim 18, wherein the transverse direction that the center for passing through the through-hole (9) of this two groups of alignment extends Line and the longitudinal centre line are there are an angle, and the angle is less than 90 degree.

21. the heat exchanger as described in claim 19 or 20, wherein the x wire and entrance oil port and it is described go out The intersection of one of the oily port of mouth.

22. heat exchanger as claimed in claim 2, wherein there are at least two at least one of described heat exchanger member Through-hole (9), at least two through-hole (9) provide outside the heat exchanger to the entrance of the second channel (7).

23. a kind of oil cooling system, comprising:

Cavity (8), with liquid cooling medium entrance (60) and liquid cooling medium outlet (50)；

For there is the entrance oil port (4) of oil to be cooled and for the outlet oil port (3) of cooling oil；And

Heat exchanger as claimed in claim 1 or 2, the heat exchanger are substantially closed in the cavity (8).

24. oil cooling system as claimed in claim 23, wherein the second channel is at least partly formed by the cavity.

25. a kind of method for cooling down the oil in vehicle using oil cooling system as claimed in claim 23, the method packet It includes:

Making, which has oil to be cooled to pass through the first passage (12) from entrance oil port (4), flow to the oily port in the outlet (3), and

So that liquid cooling medium is passed through the second channel (7) from the cooling medium entrance (60) and flow to the cooling medium It exports (50).