CN103162559A

CN103162559A - Heat exchanger for vehicle

Info

Publication number: CN103162559A
Application number: CN2012102261204A
Authority: CN
Inventors: 金载然; 赵完济
Original assignee: Hyundai Motor Co
Current assignee: Hyundai Motor Co
Priority date: 2011-12-09
Filing date: 2012-06-29
Publication date: 2013-06-19
Also published as: US20130146264A1; JP2013122368A; DE102012105386A1; KR20130065173A

Abstract

A heat exchanger apparatus for a vehicle may include a tank receiving a first operating fluid therein through a first inflow port and exhausting the first operating fluid therefrom through a first exhaust port, first and second headers formed to lower and upper portion of the tank and receiving and exhausting a second operating fluid respectively through a second inflow port and a second exhaust port formed respectively at the lower portion and the upper portion of the tank, and mounted respectively at the lower portion and the upper portion of the tank so as to form first and second chambers at the lower and upper portion of the tank, and at least one heat radiating unit provided with at least one coupling pipe fluidly connecting the first chamber of the first header with the second chamber of the second header.

Description

The heat exchanger that is used for vehicle

The cross reference of related application

The application requires the priority of No. the 10-2011-0131911st, the korean patent application submitted to Korea S Department of Intellectual Property on December 9th, 2011, and the full content of this application is incorporated into this and is used for by these all purposes of quoting.

Technical field

The present invention relates to a kind of heat exchanger for vehicle.More specifically, the present invention relates to a kind of like this heat exchanger for vehicle, it can be controlled at by heat exchange therebetween the temperature of the operating fluid that flows in heat exchanger.

Background technology

Recently, carried out in automotive industry for reduced size, than the research of light weight and greater efficiency, because the consumer has demonstrated higher interest for environment and energy.

Heat exchanger from high temperature fluid to the cryogen transferring heat, and is used for radiator, heater, cooler, evaporimeter and condenser by heating surface.Heat exchanger has between two environment of the temperature difference from an environment absorption heat and to another environment distribute heat.

The temperature that such heat exchanger is reused heat energy or is controlled at wherein the operating fluid that flows is to reach required performance.Heat exchanger application is in air-conditioning system or the transmission oil cooler of vehicle, and is arranged on the enging cabin place.

Heat exchanger is difficult to be arranged on the enging cabin place with restricted quarter.Carried out for have reduced size, than the research of the heat exchanger of light weight and greater efficiency.

Recently, after deliberation plate heat exchanger or package type heat exchanger.The heat exchanger of template forms by stacking plate, and use cooling agent as heat transfer medium, package type heat exchanger has the diameter parts that reduces at the inner periphery place that is formed on a plurality of pipes, thereby changes flowing and forming turbulent flow (turbulence) of operating fluid.

Due to when carrying out heat exchange between high pressure and low-pressure fluid, the built-in pressure ratio package type heat exchanger of plate heat exchanger low, so the thickness of plate should be increased.Therefore, the heat exchanger effectiveness possible deviation between operating fluid, and manufacturing cost, weight and size may increase.

Because the diameter parts that reduces should be formed on inner periphery place according to each pipeline of package type heat exchanger (it is compared with plate heat exchanger has excellent heat exchanger effectiveness), so manufacturing cost may increase.In addition, because the excircle of pipeline is level and smooth, therefore be difficult to form turbulent flow in air.So than manufacturing cost, heat exchanger effectiveness may not increase effectively.

The information that is disclosed in this background of invention technology part only is intended to deepen the understanding to general background technology of the present invention, and should not be regarded as admitting or hint that in any form this information structure has been prior art known in those skilled in the art.

Summary of the invention

Various aspects of the present invention are devoted to provide a kind of heat exchanger for vehicle, its advantage that has is, forms to improve the heat exchanger effectiveness of operating fluid and the cooling performance of heat exchanger by promotion through changes in flow rate and the turbulent flow of the operating fluid of over-heat-exchanger.

the heat exchanger that is used for vehicle according to an illustrative embodiment of the invention can comprise: casing, described casing be suitable for by first-class inbound port, the first operating fluid being received in wherein and by the first discharge port from wherein discharging the first operating fluid, the first end socket and the second end socket, described the first end socket and the second end socket are suitable for receiving respectively and discharge the second operating fluid by the second inbound port on the bottom that is respectively formed at described casing and top and the second discharge port, and described the first end socket and the second end socket are arranged on respectively the bottom of described casing and top to form the first and second Room at described casing, at least one heat-sink unit, it has at least one duct coupling, described duct coupling forms by connecting at least one plate, at least one ledge alongst is formed on this plate place, described at least one heat-sink unit is suitable for fluid and connects described first Room of described the first end socket and described second Room of described the second end socket, thereby wherein connecting line is formed on the second operating fluid is flowed therein, the second operating fluid that flows in described duct coupling by with through the heat exchange of the first operating fluid of the outside of described duct coupling and cooling.

Be connected to the first installing hole of the first Room and the second Room and the second installing hole and can be respectively formed at the first end socket and the second end socket place, the two ends of heat-sink unit can be inserted in respectively in the first and second installing holes.

First-class inbound port and the first discharge port can be between the first Room and the second Room be separately positioned on the top of casing one side surface and the bottom on casing opposite side surface along diagonal.

Second inbound port and the second discharge port can be separately positioned on along diagonal lower surface and the upper surface place of casing.

Ledge can be formed on the plate place by extruding.

Ledge can have and forms semicircular excircle and inner periphery, and is set to spirality along the length direction of plate.

The two ends of heat-sink unit can be inserted respectively in described the first end socket and described the second end socket, and described ledge can not be formed on the place, two ends of described heat-sink unit.

Duct coupling can be the circular pipe that forms by a plurality of ledges, the inner periphery of described duct coupling and excircle can form spirality, thereby make by the rotation of the second operating fluid the second operating fluid place's generation eddy current that flows in described connecting line, and the first operating fluid of the outside of the described connecting line of process is caused the formation turbulent flow.

Can form described duct coupling by connecting a pair of plate, this duct coupling is in the ledge that makes a pair of plate and is arranged to the state outstanding towards the outside.

Contiguous heat-sink unit can broad ways be arranged alternately, thereby makes the duct coupling of in contiguous heat-sink unit be arranged between other the duct coupling of vicinity of contiguous heat-sink unit.

The number that is included in the described duct coupling in described heat-sink unit can change according to the size of described the first end socket and described the second end socket.

The duct coupling that comprises a heat-sink unit can be assembled each other releasedly.

Many row's ledges can be formed on a plate place, and this plate can be folded to form described heat-sink unit, thereby another row who makes a row of ledge be connected to ledge forms described duct coupling.

Described plate can have at least one flow orifice that forms between duct coupling.

Can be perpendicular to the flow direction through the first operating fluid of the outside of duct coupling through the flow direction of the second operating fluid of the connecting line of duct coupling.

According to another illustrative embodiments of the present invention, first-class inbound port and the first discharge port can be passed in the upper and lower of described casing described the second end socket and described the first end socket, and can lay respectively at along diagonal upper surface and the lower surface place of described casing.

The second inbound port can be formed on the lower surface place that becomes the described casing of diagonal with described the first discharge port, and the second discharge port can be formed on the upper surface place that becomes the described casing of diagonal with described first-class inbound port.

Flow through the first operating fluid of described first-class inbound port and the second operating fluid through described second inbound port of flowing can flow in described casing in opposite direction and heat-shift each other.

By the accompanying drawing of including this paper in and the specific embodiment that is used from subsequently explanation some principle of the present invention with accompanying drawing one, the further feature that method and apparatus of the present invention has and advantage will more specifically become clear or be illustrated.

Description of drawings

Fig. 1 is the project stereoscopic figure of the heat exchanger that is used for vehicle according to an illustrative embodiment of the invention.

The cross-sectional view that Fig. 2 obtains for the line A-A in Fig. 1.

The cross-sectional view that Fig. 3 obtains for the line B-B in Fig. 1.

Fig. 4 is the stereogram that can be applicable to the heat-sink unit of the heat exchanger that is used for vehicle according to an illustrative embodiment of the invention.

Fig. 5 is the exploded perspective view that can be applicable to the heat-sink unit of the heat exchanger that is used for vehicle according to an illustrative embodiment of the invention.

Fig. 6 and Fig. 7 are the schematic diagram of the operation of the demonstration heat exchanger that is used for vehicle according to an illustrative embodiment of the invention.

Fig. 8 is the stereogram according to the heat exchanger that is used for vehicle of another illustrative embodiments of the present invention.

The cross-sectional view that Fig. 9 obtains for the line C-C in Fig. 8.

Figure 10 is that demonstration is according to the schematic diagram of the operation of the heat exchanger that is used for vehicle of another illustrative embodiments of the present invention.

Should understand, appended accompanying drawing is not the technique of painting of slightly simplifying that has shown pari passu the exemplifying various features of basic principle of the present invention.Specific design feature of the present invention disclosed herein for example comprises that concrete size, direction, position and profile will be partly will be used and the environment of use is determined by concrete.

In these figures, run through several figures of accompanying drawing, Reference numeral is quoted same or part that be equal to of the present invention.

The specific embodiment

To at length make each embodiment of the present invention now and quoting, the example of these embodiments is shown in the accompanying drawings and is described below.Although the present invention will combine with illustrative embodiments and be described, should recognize, this specification is not to be intended to limit the invention to those illustrative embodiments.On the contrary, the present invention is intended to not only cover these illustrative embodiments, and covers various selection forms, modification, the equivalent form of value and other embodiment that can be included within the spirit and scope of the present invention that limited by claims.

Below with reference to described accompanying drawing, illustrative embodiments of the present invention is described in detail.

The illustrative embodiments of describing in this specification and accompanying drawing is only illustrative embodiments of the present invention.It should be understood that various modifications and equivalent can be included in when submitting the application in spirit of the present invention.

Fig. 1 is the project stereoscopic figure of the heat exchanger that is used for vehicle according to an illustrative embodiment of the invention.The cross-sectional view that Fig. 2 obtains for the line A-A in Fig. 1.The cross-sectional view that Fig. 3 obtains for the line B-B in Fig. 1.Fig. 4 is the stereogram that can be applicable to the heat-sink unit of the heat exchanger that is used for vehicle according to an illustrative embodiment of the invention.Fig. 5 is the exploded perspective view that can be applicable to the heat-sink unit of the heat exchanger that is used for vehicle according to an illustrative embodiment of the invention.

With reference to accompanying drawing, be suitable for forming by changes in flow rate and the turbulent flow of promotion at the operating fluid of heat exchanger 100 processes according to the heat exchanger 100 that is used for vehicle of an exemplary embodiment of the present invention, thereby improve the heat exchanger effectiveness of operating fluid and the cooling performance of heat exchanger 100.

For these purposes, the heat exchanger 100 that is used for vehicle according to an illustrative embodiment of the invention as depicted in figs. 1 and 2, comprises casing 110, the first end socket and the

second end socket

120 and 130 and heat-sink unit 140.

Casing 110 has first-class inbound port 112 and the first discharging port one 14.The first operating fluid flows into casing 110 by first-class inbound port 112, and discharges from casing 110 by the first discharging port one 14.

According to an illustrative embodiment of the invention, the first end socket and the

second end socket

120 and 130 are arranged on respectively bottom and the top of casing 110.Thereby the first end socket 120 has second inbound port 122 receives the second operating fluid therein, thereby the second end socket 130 has the second discharging port one 32 from wherein discharging the second operating fluid.

The first end socket and the

second end socket

120 and 130 form the first Room in casing 110 and thereby the

second Room

124 and 134 prevents that the second operating fluid that flows into casing 110 by second inbound port 122 from mixing with the first operating fluid that enters casing 110 by first-class inbound port 112 inflows.

That is to say, the first Room 124 is positioned at the bottom of casing 110, and the second Room 134 is positioned at the top of casing 110.The first Room 124 is temporarily stored the second operating fluid that flows through second inbound port 122 therein, and the second Room 134 is temporarily stored and will be discharged the second operating fluid of port one 32 dischargings by second.

At this, first-class inbound port 112 and the first discharging port one 14 are separately positioned on the bottom on the opposite side surface of the top of a side surface of casing 110 and casing 110 along diagonal between the first Room and the

second Room

124 and 134.

Therefore, the first operating fluid that flows through first-class inbound port 112 flows to the first discharging port one 14, and is evenly distributed in casing 110 between the first end socket and the

second end socket

124 and 134.

In addition, second inbound port 122 and the second discharging port one 32 are separately positioned on lower surface and the upper surface place of casing 110 along diagonal.

That is to say, second inbound port 122 is formed on the sidepiece of the lower surface of casing 100, and the second discharging port one 32 is formed on the other side of the upper surface of casing 100.

According to an illustrative embodiment of the invention, the first installing hole and the second installing

hole

126 and 136 are respectively formed at the lower surface place of upper surface and second end socket 130 of the first end socket 120.Two ends of heat-sink unit 140 are arranged on respectively in the first Room and the

second Room

124 and 134, and are connected to respectively the first installing hole and the second installing

hole

126 and 136.

In addition, heat-sink unit 140 comprises a plurality of duct couplings 148 that form by assembled plate 142, and at least one ledge 144 alongst is formed on this assembled plate 142 places.The connecting line 146 that is used for fluid connection the first Room 124 and the second Room 134 is formed on duct coupling 148.Therefore, the second operating fluid in the first Room 124 flows to the second Room 134 by connecting line 146.

A plurality of heat-sink units 140 are arranged between the first Room 124 and the second Room 134 in parallel with each other.In casing 110, the second operating fluid that flows through junction line 148 is cooling by carrying out heat exchange with the first operating fluid through the outside of duct coupling 148.In casing 110, a plurality of heat-sink units 140 connect the first end socket 120 and the second end socket 130.

That is insert in the first installing hole 126 that is formed on the first end socket 120 places the lower end of heat-sink unit 140, and insert in the second installing hole 136 that is formed on the second end socket 130 places the upper end of heat-sink unit 140.Therefore, heat-sink unit 140 fluids connect the first Room 124 and the second Room 134.

In addition, as shown in Figure 3, contiguous heat-sink unit 140 is arranged alternately along width.That is to say, the duct coupling 148 of in contiguous heat-sink unit 140 is arranged between other the duct coupling 148 of vicinity of contiguous heat-sink unit 140.

Therefore, a plurality of heat-sink units 140 are arranged to the multilayer between the first end socket and the

second end socket

120 and 130 in casing 110, the contact area between the excircle of the first operating fluid of the outside of process heat-sink unit 140 and duct coupling 148 can be increased thus.

At this, the flow direction of the second operating fluid that flows in the connecting line 146 of duct coupling 148 is perpendicular to the flow direction of the first operating fluid of the outside of process duct coupling 148.

Therefore, due to the first operating fluid and the second operating fluid heat-shift each other, flow along different directions according to heat exchanger 110 simultaneously, so heat can more effectively be exchanged.

As shown in Figure 4 and Figure 5, the excircle of ledge 144 and inner periphery form semicircle according to an illustrative embodiment of the invention.A plurality of ledges 144 are set to spirality along the length direction of plate 142.

At this, ledge 144 is not formed on the both ends of heat-sink unit 140.Insert respectively the first installing hole and the

second installing hole

126 and 136 that are formed on the first end socket 120 and the second end socket 130 places due to the both ends of heat-sink unit 140, therefore linear section is formed on the both ends of heat-sink unit 140, thereby is sealed between the both ends and the first installing hole and the

second installing hole

126 and 136 of heat-sink unit 140.

Ledge 144 can be integrally formed in plate 142 places by extruding.

According to an illustrative embodiment of the invention, the circular pipe of duct coupling 148 for forming by a plurality of ledges 144, inner periphery and the outer circumferential of duct coupling 148 become spirality.

When the second operating fluid flows in connecting line 146, thereby duct coupling 148 makes the second operating fluid rotation generate eddy current (vortex).

In addition, the first operating fluid of the outside of process duct coupling 148 is initiated the formation turbulent flow, makes the heat exchanger effectiveness between the first operating fluid and the second operating fluid to be improved.

A pair of plate 142 is connected into and forms the pipe shape that is in following state: the ledge 144 of this a pair of plate 142 is arranged so that outstanding towards the outside under this state.Thus, form duct coupling 148.

That is the inner surface that is arranged so that the ledge 144 that forms at this a pair of plate 142 places at this a pair of plate 142 is each other under the state on opposite, thereby this a pair of plate 142 is coupled to each other and forms duct coupling 148, has connecting line 146 in duct coupling 148.

At this, this a pair of plate 142 can pass through weld connection.

The number that is included in the duct coupling 148 in heat-sink unit 140 can be controlled according to the size of the first end socket 120 and the second end socket 130.In addition, the duct coupling 148 that comprises a heat-sink unit 140 is assembled releasedly.

As shown in Figure 3, heat-sink unit 140 according to an illustrative embodiment of the invention comprises seven duct couplings 148, but is not limited to this.That is, comprise that the number of the duct coupling 148 of a heat-sink unit 140 can be controlled according to the size of the first end socket and the second end socket 120 and 130.In addition, the required number of duct coupling 148 can be taken apart from the heat-sink unit 140 that comprises a plurality of duct couplings 148 according to the number of duct coupling 148.

Simultaneously, at least one flow orifice 149 can be formed between the duct coupling 148 of plate 142 according to an illustrative embodiment of the invention.Flow orifice 149 forms along the length direction of plate 142.

Be formed on plate 142 places by extruding at ledge 144 after, flow orifice 149 can form by punching press.

At this, flow orifice 149 makes the first operating fluid by heat-sink unit 140 outsides to flow up or down with respect to heat-sink unit 140.Therefore, the first operating fluid can be able to homogenising the flowing of excircle place of duct coupling 148.So the heat exchanger effectiveness between the first operating fluid and the second operating fluid can be able to further raising.

According to an illustrative embodiment of the invention, thus two plates 142 assemble each other and form heat-sink unit 140.But, be not limited to this.Many row's ledges 144 are formed on plate 142 places, and this plate 142 is folded to form described heat-sink unit 140, and another that makes that a row of ledge 144 is connected to ledge 144 arranges to form the duct coupling 148 with connecting line 146.

Hereinafter, operation and the function of the heat exchanger 100 that is used for vehicle according to an illustrative embodiment of the invention will be described in detail.

As shown in Figure 6, the first operating fluid flows in casing 110 by first-class inbound port 112.After the outside of the first operating fluid through the duct coupling 148 of heat-sink unit 140, the first operating fluid is discharged from casing 110 by the first discharging port one 14.

In addition, flow into the first Room 124 second operating fluids by the second entry port 122 and flow to the second Room 134 along the connecting line 146 of the duct coupling 148 that forms at heat-sink unit 140 places.

At this moment, the ledge 144 due to duct coupling 148 forms spirality, the second operating fluid rotation generation eddy current that therefore flows in connecting line 146.

At this, the outside of the first operating fluid process heat-sink unit 140 in casing 110.At this moment, as shown in Figure 7, when the first operating fluid during through duct coupling 148 outside, form turbulent flow due to the spirality of ledge 144 at the first operating fluid place.

Simultaneously, the first operating fluid is evenly distributed on the above and below that is set to the heat-sink unit 140 of multilayer by flow orifice 149.Therefore, the second operating fluid that flows in the first operating fluid and connecting line 146 carries out heat exchange effectively.

According to an illustrative embodiment of the invention, the first operating fluid and the second operating fluid that flow into for the heat exchanger 100 of vehicle can be cooling agent, engine oil, transmission oil, air-conditioning refrigerant and vehicular discharge gas.

In addition, according to an illustrative embodiment of the invention heat exchanger 100 can be used for comprising the various application of vehicle.

Fig. 8 is the stereogram according to the heat exchanger that is used for vehicle of another illustrative embodiments of the present invention.The cross-sectional view that Fig. 9 obtains for the line C-C in Fig. 8.Figure 10 is that demonstration is according to the schematic diagram of the operation of the heat exchanger that is used for vehicle of another illustrative embodiments of the present invention.

With reference to accompanying drawing, all identical except the position of first-class inbound port 212 and the first discharge port 214 with according to an illustrative embodiment of the invention heat exchanger 100 according to the heat exchanger 200 that is used for vehicle of another illustrative embodiments of the present invention.

That is, as shown in Figure 8, first-class inbound port 212 and the first discharge port 214 are passed the second end socket 230 and the first end socket 220, and described the second end socket 230 and the first end socket 220 are laying respectively at the upper and lower of casing 210 according to the heat exchanger 200 that is used for vehicle of another illustrative embodiments of the present invention.

First-class inbound port 212 and the first discharge port 214 are placed in respectively upper surface and the lower surface place of casing 110 along diagonal.

In addition, second inbound port 222 is formed on the lower surface place of casing 210, and the second discharge port 232 is formed on the upper surface place of casing 210, and second inbound port 222 and the second discharge port 232 are along the diagonal setting.In addition, the second discharge port 232 is arranged on the diagonal of first-class inbound port 212, and second inbound port 222 is arranged on the diagonal of the first discharge port 214.

Be separately positioned on upper surface and the lower surface place of casing 110 due to first-class inbound port 212 and second inbound port 222, the first operating fluid and the second operating fluid that therefore flow into casing 210 by flowing into

port

212 and 222 flow one another in opposite directions with corresponding to each other.

That is, as shown in figure 10, according to another illustrative embodiments of the present invention, due to the first operating fluid and the second operating fluid each other heat-shift flow in opposite direction simultaneously, so heat exchanger effectiveness can further be improved.

Due to identical with other composed components of according to an illustrative embodiment of the invention the heat exchanger 100 that is used for vehicle according to other composed components of the heat exchanger 200 that is used for vehicle of another illustrative embodiments of the present invention, so will omit detailed description.

Due to the changes in flow rate that has promoted according to an illustrative embodiment of the invention the operating fluid in over-heat-

exchanger

100 and 200 and turbulent flow formation, so the cooling performance of the heat exchanger effectiveness of operating fluid and

heat exchanger

100 and 200 can be improved.

In addition, at least one plate 142 that is formed with spirality ledge 144 is assembled, thereby forms the spirality duct coupling 148 with connecting line 146.Therefore, manufacturing cost can reduce, and the weight of

heat exchanger

100 and 200 can alleviate.

The shape of cross section of the connecting line 146 that flows therein due to the operation with high pressure fluid be circular, so compares with conventional plate heat exchanger, and internal pressure can raise and durability can be improved.

For the ease of explaining in claims and explication, term " on ", D score, " interior " and " outward " be described these features for the position of the feature of reference illustrative embodiments shown in the figure.

The front is for the purpose of illustration and description to the description that the concrete illustrative embodiments of the present invention presents.The description of front does not want to become milli exhaustively, neither want the present invention is restricted to disclosed precise forms, and obviously, changes a lot of according to above-mentioned instruction and variation are all possible.Selecting illustrative embodiments and being described is in order to explain certain principles of the present invention and practical application thereof, thereby makes others skilled in the art can realize and utilize various illustrative embodiments of the present invention and various selection form and modification.Scope of the present invention is intended to be limited by appended claims and equivalents thereof.

Claims

1. heat exchanger device that is used for vehicle, it comprises:

Casing, described casing by first-class inbound port, the first operating fluid is received wherein and by the first discharge port from wherein discharging the first operating fluid;

The first end socket and the second end socket, described the first end socket and the second end socket are formed to bottom and the top of described casing, and the bottom by being respectively formed at described casing and second inbound port and second discharge port on top receive respectively and discharge the second operating fluid, and bottom and top that described the first end socket and the second end socket are arranged on respectively described casing form the first Room and the second Room with bottom and top at described casing; And

At least one heat-sink unit, it has at least one duct coupling, described duct coupling forms by connecting at least one plate, at least one ledge is formed on this plate place along the length direction of plate, and described heat-sink unit fluid connects described first Room of described the first end socket and described second Room of described the second end socket

Thereby wherein connecting line is formed on the second operating fluid is flowed therein, and the second operating fluid that flows in described duct coupling is cooling by carrying out heat exchange with the first operating fluid through the outside of described duct coupling.

2. the heat exchanger device for vehicle according to claim 1, wherein be connected to the first installing hole of described the first Room and the second Room and the second installing hole and be respectively formed at described the first end socket and the second end socket place, insert respectively in described the first installing hole and the second installing hole at the two ends of described heat-sink unit.

3. the heat exchanger device for vehicle according to claim 1, wherein said first-class inbound port and described the first discharge port are separately positioned on the bottom on the opposite side surface of the top of a side surface of described casing and described casing along diagonal between described the first Room and the second Room.

4. the heat exchanger device for vehicle according to claim 1, wherein said second inbound port and described the second discharge port are separately positioned on lower surface and the upper surface place of described casing along diagonal.

5. the heat exchanger device for vehicle according to claim 1, wherein said ledge is integrally formed in described at least one plate place by extruding.

6. the heat exchanger device for vehicle according to claim 1, wherein said ledge have and form semicircular excircle and inner periphery, and are set to spirality along the length direction of described at least one plate.

7. the heat exchanger device for vehicle according to claim 6, insert respectively in described the first end socket and described the second end socket at the two ends of wherein said heat-sink unit, and described ledge is not formed on the place, two ends of described heat-sink unit.

8. the heat exchanger device for vehicle according to claim 1, the circular pipe of wherein said at least one duct coupling for forming by a plurality of ledges, inner periphery and the outer circumferential of described duct coupling become spirality, thereby make by the rotation of the second operating fluid the second operating fluid place's generation eddy current that flows in described connecting line, and the first operating fluid of the outside of the described connecting line of process is caused the formation turbulent flow.

9. the heat exchanger device for vehicle according to claim 1, wherein form described duct coupling by connecting a pair of plate, and this duct coupling is in the ledge that makes a pair of plate and is arranged to the state outstanding towards the outside.

10. the heat exchanger device for vehicle according to claim 1, wherein contiguous heat-sink unit broad ways is arranged alternately, thereby makes the duct coupling of in contiguous heat-sink unit be arranged between other the duct coupling of vicinity of contiguous heat-sink unit.

11. the heat exchanger device for vehicle according to claim 1 changes comprising the number of the described duct coupling in the described heat-sink unit size according to described the first end socket and described the second end socket.

12. the heat exchanger device for vehicle according to claim 11, the described duct coupling assembling releasedly each other that is wherein consisted of by a heat-sink unit.

13. the heat exchanger device for vehicle according to claim 1, wherein many row's ledges are formed on a plate place, and this plate is folded to form described heat-sink unit, thereby another row who makes a row of ledge be connected to ledge forms described duct coupling.

14. having at least one, the heat exchanger device for vehicle according to claim 1, wherein said at least one plate be formed on flow orifice between described duct coupling.

15. the heat exchanger device for vehicle according to claim 1, wherein the flow direction of the second operating fluid of the connecting line of the described duct coupling of process is perpendicular to the flow direction of the first operating fluid of the outside of the described duct coupling of process.

16. the heat exchanger device for vehicle according to claim 1, wherein said first-class inbound port and described the first discharge port are passed described the second end socket and described the first end socket in the upper and lower of described casing, and lay respectively at upper surface and the lower surface place of described casing along diagonal.

17. the heat exchanger device for vehicle according to claim 16, wherein the second inbound port is formed on the lower surface place that becomes the described casing of diagonal with described the first discharge port, and the second discharge port is formed on the upper surface place that becomes the described casing of diagonal with described first-class inbound port.

The heat-shift each other 18. heat exchanger device for vehicle according to claim 17, the second operating fluid of the first operating fluid of the described first-class inbound port of the process that wherein flows and the described second inbound port of process that flows flow also in described casing in opposite direction.

19. the heat exchanger device for vehicle according to claim 1, the longitudinal axis of wherein said first-class inbound port and described the first discharge port is perpendicular to the longitudinal axis of described at least one duct coupling.