CN209570049U - Three fluid heat exchangers - Google Patents

Abstract

A kind of three fluid heat exchangers, comprising: first group of nested shells, be arranged to stack with limit with the alternate first group of flow channel of second group of flow channel, to provide the first heat exchange section；And second group of nested shells, be arranged to stack with limit with the 4th group of alternate third group flow channel of flow channel, to provide the second heat exchange section.One or more shells are arranged between first group of nested shells and second group of nested shells and nest together therewith, to limit the continuous stacking of the nested shells including the first heat exchange section and the second heat exchange section.

Description

Three fluid heat exchangers

Technical field

The utility model relates to a kind of compact heat exchanger, which is used for through transmitting from the height for flowing through heat exchanger The heat of warm liquid stream or the low temperature liquid stream that heat exchanger is flowed through by transferring heat to, and it is cooling to selectively heat or cool down liquid Agent stream.

Background technique

Stacking sheet heat exchanger without external shell be in field of heat exchangers it is known, be used for complete in hardened structure Heat is exchanged between the two kinds of fluids accommodated.In particular, plate is partially assembled to each other, and phase for foliated core heat exchanger The periphery that adjacent plate usually surrounds plate is bonded to each other.To form channel, fluid can be contained in space between adjacent plate In the channel and it can flow.Adjacent channel usually accommodates different fluids, they exchange heat by plate between two parties each other. In the entire height of heat exchanger, the channel of every kind of fluid is alternating with each other.A kind of channel of fluid was via extending heat exchanger One group of manifold is fluidly connected exclusively, and the channel of one other fluid was via extending second group of manifold of heat exchanger exclusively It is fluidly connected.

Utility model content

Three fluid heat exchangers of one embodiment according to the present utility model are configured to the stacking of nested shells, have The flow channel limited between the adjacent housings of stacking.Six fluid manifolds are arranged in the corner of stacking.The two of stacking First fluid manifold and second fluid manifold in a adjacent corners extend to the bottom end of stacking from the top of stacking, and pass through First subset of flow channel fluidly connects.Third fluid manifold and the 4th fluid manifold be arranged in stacking other two is adjacent In corner, and the middle position between the top in stacking and the bottom end of stacking is extended to from the top of stacking.5th fluid Manifold and the 6th fluid manifold also are disposed in identical two adjacent corners of stacking, and are extended to from the bottom end of stacking Between position.The second subset of flow channel fluidly connects third fluid manifold and the 4th fluid manifold, and and flow channel The first subset in be located at stack top and middle position between those of flow channel interlock.Third of flow channel Collection fluidly connects the 5th fluid manifold and the 6th fluid manifold, and stacked with being located in the first subset of flow channel Flow channel interlocks those of between bottom end and middle position.

In particular embodiments, the 5th fluid manifold be arranged as it is conllinear with third fluid manifold and with third fluid Manifold fluid isolation, the 6th fluid manifold be arranged as it is conllinear with the 4th fluid manifold and with the 4th fluid manifold fluid isolation. In some this embodiments, the fluid isolation between manifold is realized by the feature of one or more nested shells.In In some this embodiments, the feature that fluid isolation passes through what a proper nested shells is realized, in some other this realities It applies in example, fluid isolation is realized by the feature of two adjacent nested shells.There is provided fluid between these fluid manifolds every From one or more nested shells can be located at middle position between the top of stacking and the bottom end of stacking.

In some embodiments, first fluid manifold, second fluid manifold, third fluid manifold, the 4th fluid manifold, Five fluid manifolds and the 6th fluid manifold are provided by the hole of the alignment in nested shells.Each hole is equipped with periphery flange, this week Side flange is joined to the corresponding periphery flange in the hole in adjacent housings, at least partially define one in fluid manifold.

In some embodiments, a flow channel of the first subset of flow channel is arranged in middle position.This one A flow channel is arranged in the farthest flow channel in the top away from stacking and the bottom end away from stacking of third subset of second subset Between farthest flow channel.

In some embodiments, flow-disturbing insertion piece is arranged in the first subset of flow channel.In some embodiments, it disturbs Stream insertion piece is arranged in the second subset and/or third subset of flow channel.In some specific embodiments, flow-disturbing insertion Part is disposed in the more than one subset of flow channel.

In some embodiments, at least some flow channels include recess.In such an embodiment, the stacking of nested shells It may include the two distinct types of shell being alternately arranged in a stack.The shell of one of type has the one of shell The recess in flow channel is extended on side, and another type of shell does not have recess.In at least some embodiments, recessed Nest extends in the second subset and/or third subset of flow channel.In other embodiments, recess extends to first group of flowing In channel.

In some embodiments, heat exchanger may include first fluid port and second fluid port, the first fluid Port arrangements heat exchanger one end and be fluidly connected to first fluid manifold, the second fluid port arrangements are in heat exchanger One end and be fluidly connected to second fluid manifold.First fluid port and second fluid port can be respectively positioned on the top of stacking End perhaps they can be respectively positioned on stacking bottom end or one can be on top, and another can be in bottom end.Heat exchanger It can also include third fluid port and the 4th fluid port, the third fluid port is arranged in top and is fluidly connected to Third fluid manifold, the 4th fluid port are arranged in top and are fluidly connected to the 4th fluid manifold.Heat exchanger may be used also To include the 5th fluid port and the 6th fluid port, the 5th fluid port is arranged in bottom end and is fluidly connected to the 5th Fluid manifold, the 6th fluid port are arranged in bottom end and are fluidly connected to the 6th fluid manifold.In some this implementations In example, the third and fourth fluid port or the 5th and the 6th fluid port are provided by refrigerant assembling block.

It include that first group of nested shells and second group are nested according to three fluid heat exchangers of another embodiment of the utility model Shell, first group of nested shells be arranged to stack with limit with the alternate first group of flow channel of second group of flow channel, To provide the first heat exchange section；Second group of nested shells are arranged to stack alternate with the 4th group of flow channel to limit Third group flow channel, to provide the second heat exchange section.One or more shells are arranged in first group of nested shells and second It nests together between group nested shells and therewith, includes the embedding of the first heat exchange section and the second heat exchange section to limit The continuous stacking of set of shells.One or more of shells by second group of flow channel and the 4th group of flow channel fluid isolation, And first group of flow channel and third group flow channel are fluidly connected.First group of flow channel and the flowing of third group as a result, Channel is arranged in parallel on mechanics of liquids each other.

In some this embodiments, be arranged between first group of nested shells and second group of nested shells one or more A shell includes two shells nested together, which limits flow channel between them.The flow channel exists First group of flow channel and third group flow channel are connected on mechanics of liquids, and also with first group of flow channel and third group stream Dynamic channel is in parallel on mechanics of liquids.

In some embodiments, two fluid manifolds extend through the continuous stacking of nested shells.First group of flow channel And third group flow channel connects two manifold fluids.

In some embodiments, three fluid heat exchangers are used to that the battery coolant flow across heat exchanger to be heated or cooled.In In some this embodiments, under at least some operating conditions, battery coolant flow by pass through heat exchanger refrigerant stream come It is cooling.In some this embodiments, under at least some operating conditions, battery coolant flow is added by warm coolant flow Heat.

Detailed description of the invention

Fig. 1 is the perspective view of three fluid heat exchangers of embodiment according to the present utility model.

Fig. 2 is the decomposition perspective view of the alternative pack of three fluid heat exchangers of Fig. 1.

Fig. 3 is the partially exploded perspective view of three fluid heat exchangers of Fig. 1.

Fig. 4 is the side cross-sectional view of three fluid heat exchangers of Fig. 1.

Fig. 5 is the detail view of the part V-V of Fig. 4.

Specific embodiment

Before any embodiment that the utility model is described in detail, it should be appreciated that the application of the utility model is not limited to The structure detail and arrangement of component set forth in the following description or shown in the accompanying drawings.The utility model can have other implementations Example, and can be practiced or carried out in various ways.Furthermore, it is to be understood that wording used herein and term be in order to illustrate Purpose, and be not considered as restrictive.The use purport of "include", "comprise" or " having " and its variant herein Covering the items listed thereafter and its equivalent and addition Item.Unless otherwise indicated or limitation, otherwise term " installation ", " connection ", " support " and " connection " and its variant use in a broad sense, and cover installation, connection, support directly or indirectly And connection.In addition, " connection " and " connection " is not limited to the connection or connection of physics or machinery.

Three fluid heat exchangers 2 are configured to the stacking of nested shells 2 as illustrated in the drawing.Each of shell 2 is all set There is the generally flat surface defined with the periphery edge 6 turned over.When shell 2 is stacked, periphery edge 6 is engaged simultaneously It nests together, to provide some small intervals between the generally flat surface of adjacent housings, thus in adjacent nesting Flow channel is limited between shell.During the operation of heat exchanger 2, fluid is conducted through at least some flow channels, with Heat is transmitted between fluid in adjacency channel.

In the exemplary embodiment, two distinct types of shell (being denoted as 2a and 2b) alternately nests together, with Form alternate flow channel.As shown in Fig. 2, each flow channel is in U-shape, so that the fluid stream advanced by channel is (by arrow Leader shows) carry out two continuously walk (pass).The isolation part 7 of forming extends from each shell 2a, 2b, and is engaged to The plane surface of adjacent housings so that two walk it is separated from one another.However, in some alternative embodiments, Mei Geliu Dynamic channel can limit the more than two of fluid and walk.

The providing holes 9 at the four corners of each shell 2a, 2b, so that the hole of alignment limits fluid manifold in corner portion. Each hole 9 is surrounded by periphery flange 10.Plane surface of the periphery flange 10 in the hole 9 at one end of each shell 2a from shell Extend outwardly in one direction, and the periphery flange 10 in the hole 9 at the opposite end of shell 2a is from the plane surface edge of shell Opposite direction extends outwardly.The periphery flange 10 in the hole 9 of shell 2b is along opposite with the periphery flange 10 in hole 9 of shell 2a Direction extends, so that when shell is stacked, the periphery flange 10 of adjacent housings is engaged, by resulting manifold and often It is isolated every one flow channel.

Flow channel can be equipped with the functor of flow-disturbing and/or heat transfer enhancing, such as insertion piece, recess or insertion piece and recessed Both nests.In the exemplary embodiment, shell 2b is equipped with recess 8, and recess 8 extends to flow channel from the plane surface of shell In, and engaged with adjacent shell 2a, and shell 2a does not have this recess, but flow-disturbing insertion piece 5 is arranged into shell 2a and phase In gap between adjacent shell 2b.Illustrative flow-disturbing insertion piece 5, which has, to crack and offset configuration, but alternatively, can be with Use other type structures as known in the art.From figure 2 it can be seen that insertion piece can be equipped with notch, it is previous to accommodate The forming isolation part 7 of description.

Plate 3 and 4 is arranged at the both ends of the stacking of nested shells, to provide structural rigidity for the stacking.From Fig. 1 With in Fig. 3 as can be seen that the plate 3 positioned at the top end stacked extends beyond the boundaries of nested shells 2, and at the bottom of stacking Plate 4 it is smaller, and the shell 2 for being accommodated in bottommost turns in periphery edge 6.However, it should be understood that in practical operation In, it can be inverted heat exchanger 1, so that alternatively, plate 3 is in bottom, and plate 4 is at top.

Exploded such as Fig. 3 is as shown in the figure, the middle position in the stacking 2 of nested shells, is equipped with a pair of of modification Shell, be denoted as 2a' and 2b'.Shell 2a' is similar to previously described shell 2a, and difference is only that in one end of shell 2a' Locate not set hole 9.Alternatively, equipped with protrusion 11 that is continuous and not being broken, protrusion 11 by with that one end for surrounding shell 2a The circumference that the periphery flange 10 in hole is similar defines.In a similar way, shell 2b' is similar to previously described shell 2b, poor It is not only that at the same end of shell 2b', with this raised 11 instead of hole 9.A pair of shells 2a', 2b' is used for shell Stacking be divided into from top plate 3 extend first part 30 and from bottom plate 4 extend second part 31.

Manifolds 20 and 21 are formed with the two groups of holes 9 positioned opposite of protrusion 11, and each manifold is from the top of the stackings of nested shells Portion extends continuously to the bottom of the stacking of nested shells.Fluid port 12 is disposed on top plate 3 and is fluidly connected to discrimination Pipe 20.Similarly, fluid port 13 is disposed on top plate 3 and is fluidly connected to manifold 21.It should be understood that alternatively, stream Any of body end mouth 12,13 or both can be arranged on bottom plate 4.During the operation of heat exchanger 1, fluid is (such as Coolant flow) it is transported in heat exchanger 1 by one in port 12,13, and have passed through in fluid and flowed with manifold 20,21 Body connection, those of formed after fluid channel by nested shells 2, by another in port 12,13 from heat exchanger 1 It removes.

In the exemplary embodiment of heat exchanger 1, manifold 20,21 is by that between the shell 2 comprising flow-disturbing insertion piece 5 A little flow channels connect.From figure 5 it can be seen that those flow channels can be divided into: being completely contained in heat exchange First group of flow channel 26a in part 30；Second group of flow channel 26b being completely contained in heat exchange section 31；And The flow channel 26c of the middle position of protrusion 11 is disposed between top plate 3 and bottom plate 4.Therefore flow channel 26c is located at Between two heat exchange sections 30 and 31.Flow channel 26c is used as between first fluid manifold 20 and second fluid manifold 21 Additive fluid connection, and it is in parallel on mechanics of liquids with flow channel 26a and 26b.Therefore, it passes through the fluid of flow channel 26c Can with pass through heat exchange section 30 fluid stream at heat transfer relation, and with pass through heat exchange section 31 fluid stream at heat Transitive relation.

The end opposite with manifold 20,21 of heat exchanger 1 includes four fluid manifolds.Fluid manifold 22 and fluid manifold 23 It is limited by the hole 9 being aligned, and extends through the shell 2 in heat exchange section 30 in the end of shell 2.Fluid manifold 22 It is fluidly connected to be arranged in the refrigerant port 14 at top plate 3, and fluid manifold 23 is fluidly connected to also be disposed on top plate 3 The refrigerant port 15 at place.Refrigerant port 14,15 can be set to the form of refrigerant assembling block 18, such as pass through soldering It is joined to top plate 3.Between shell 2 those of staggeredly flowing is logical in the first heat exchange section 30 and with flow channel 26a Road provides fluidly connecting between manifold 22,23.

In a similar way, fluid manifold 24 and fluid manifold 25 are limited by the hole 9 being aligned, and in shell 2 and stream Body manifold 22,23 identical ends extend through the shell 2 in heat exchange section 31.Fluid manifold 24 is fluidly connected to cloth The fluid port 17 at bottom plate 4 is set, and fluid manifold 25 is fluidly connected to also be disposed on the fluid port 16 at bottom plate 4. Between shell 2 in the second heat exchange section 31 and with flow channel 26b staggeredly those of fluid channel provide in discrimination Fluidly connecting between pipe 24,25.

Therefore, fluid manifold 20 and 21 defines the first fluid at the adjacent corners for the stacking 2 for being arranged in nested shells Manifold and second fluid manifold, the first fluid manifold and second fluid manifold extend to the bottom of stacking from the top of stacking 40 End 41.Fluid manifold 22 and 23 limits the third fluid manifold and the 4th fluid being arranged at other two adjacent corners of stacking Manifold, the third fluid manifold and the 4th fluid manifold extend between top 40 and bottom end 41 from the top of stacking 40 Middle position, and fluid manifold 24 and 25 limits and is arranged in the 5th fluid manifold at other two adjacent corners and the Six fluid manifolds, the 5th fluid manifold and the 6th fluid manifold extend to middle position from the bottom end of stacking 41.

Manifold 22 and 24 is arranged as co-linear with one another, and 11 is separated on mechanics of liquids each other by protrusion.Similarly, Manifold 23 and 25 is arranged to co-linear with one another, and 11 separates on mechanics of liquids each other also by protrusion.

During the operation of heat exchanger 1, the fluid to be heated or cooled introduces heat exchange by one in port 12,13 In device 1, the flow channel of connecting fluid manifold 20,21 is cycled through, port 12,13 is passed through with the state being heated or cooled later In another from heat exchanger 1 remove.In a kind of operation mode of heat exchanger 1, low two phase of vapor quality (low vapor Quality two-phase state) refrigerant be introduced into heat exchanger 1 by one in port 14,15, and recycle By heat exchange section 30, those of connecting fluid manifold 22,23 flow channel is especially cycled through.Refrigerant is logical in circulation When crossing those channels, is evaporated and heated by the part across channel 26a and 26c in aforesaid fluid.

In another operation mode of heat exchanger 1, the temperature liquid higher than the temperature for the fluid to be heated or cooled is cooling Agent is introduced into heat exchanger 1 by one in port 16,17.The liquid coolant cycles through heat exchange section 31, especially It is to cycle through those of connecting fluid manifold 24,25 flow channel.When liquid coolant cycles through those channels, liquid Part fluid across flow channel 26b and 26c of the body coolant by hot driving into fluid.

Under at least some operating conditions, no liquid coolant cycles through heat exchange section 31, but refrigerant follows Ring passes through heat exchange section 30.In this operating condition, the part across other fluids of heat exchange section 31 is with isothermal side Formula circulation, mixes with the part across heat exchange section 30 in fluid, then removes from heat exchanger.Similarly, at least one Under a little operating conditions, without refrigerant circulation by heat exchange section 30, but liquid coolant cycles through heat exchange section 31, so that the fluid for passing through heat exchange section 30 is recycled in a manner of isothermal.

From figure 5 it can be seen that the protrusion 11 of plate 2a', 2b' are bonded together to form isolation part, the thickness of the isolation part Degree is equal to twice of the material thickness of manifold 24,25 and the shell 2 between 22,23.However, in some embodiments, single material The isolation part of material thickness may be that enough and conventional shell 2a can replace shell 2a', or conventional shell 2b can To replace shell 2b'.

In electric vehicle applications, heat exchanger 1 is particularly useful in terms of the temperature for adjusting one or more battery.In In this application, battery coolant flow recycles between heat exchanger 1 and one or more battery, so as to be heated or cooled battery from And the temperature of regulating cell.Battery coolant flow is introduced and is drawn heat exchanger 1 by fluid port 12,13.Electricity is heated in expectation Under the operating condition in pond, hot coolant stream passes through the heat exchange section that fluid port 16,17 is conducted through heat exchanger 1 simultaneously 31.When both battery coolant and hot coolant are also cross heat exchanger 1, flowing in battery coolant along fluid is logical The part that road 26b, 26c pass through heat exchange section 31 is heated by the heat transmitting of the hot coolant from high temperature.By coming from The thermal cell coolant of heat exchange section 31 and the battery that battery coolant forms of not heating from heat exchange section 30 are cooling The total flow of agent reconfigures in outlet manifold 20 or 21, and removes from heat exchanger 1 to lead back to battery.

Under the operating condition for it is expected cooling battery, hot coolant is not conducted through heat exchange section 31.Alternatively, it makes Cryogen stream is conducted through the heat exchange section 30 of heat exchanger 1.Refrigerant port 14,15 is connected to vapour pressure by assembling block 18 Contracting refrigerant system, assembling block 18 can be easy to be connected to one group of refrigerant lines.Refrigerant is expanded to low-quality in expansion device Two-phase thermodynamic state is measured, and is introduced into heat exchanger 1 by one in port 14,15.When refrigerant passes through heat exchange When part 30, refrigerant is by passing through that of heat exchange section 30 along fluid channel 26a, 26c in battery coolant Partial heat is transmitted and is evaporated, thus cooling battery coolant flow.The refrigerant of evaporation by port 14,15 another from Heat exchanger 1 is discharged, and is directed into the compressor of steam compression refrigerant system, and compressor arrives the refrigerant compression of evaporation High steam state.Then, the refrigerant of compression is condensed into liquid by hot driving within the condenser, and returns to expansion Device.By the cooling battery coolant from heat exchange section 30 and the uncolled battery coolant group from heat exchange section 31 At the total flow of battery coolant reconfigured in outlet manifold 20 or 21, and remove from heat exchanger 1 to guide and wire back Pond.

Certain features of the utility model are described with reference to specific embodiment of the utility model and the various of element are replaced For scheme.Other than the feature mutually exclusive or inconsistent with above-mentioned each embodiment, element and mode of operation, it should be noted that Other embodiments are also applied for reference to alternative features, element and the mode of operation that a specific embodiment describes.

Embodiment described above and shown in the accompanying drawings is only used as example to present, it is no intended to limit the utility model Design and principle.Therefore, it will be appreciated by the skilled addressee that the spirit and scope for not departing from the utility model the case where Under, the various change of element and its construction and arrangement is possible.

Claims (16)

1. a kind of three fluid heat exchangers, comprising:

Multiple nested shells, the multiple nested shells are arranged to stacking, to limit between the adjacent housings in the stacking Determine flow channel；

First fluid manifold and second fluid manifold, the first fluid manifold and the second fluid manifold are disposed in described In two adjacent corners stacked, and the bottom end of the stacking is extended to from the top of the stacking, the flow channel The first fluid manifold fluid is connected to the second fluid manifold by the first subset；

Third fluid manifold and the 4th fluid manifold, the third fluid manifold and the 4th fluid manifold are disposed in described In other two adjacent corners stacked, and extend to from the top of the stacking top and the stacking in the stacking Bottom end between middle position, the third fluid manifold is fluidly connected to described by the second subset of the flow channel Being located in four fluid manifolds, the second subset of the flow channel and first subset of the flow channel is described Flow channel interlocks those of between the top of stacking and the middle position；And

5th fluid manifold and the 6th fluid manifold, the 5th fluid manifold and the 6th fluid manifold are disposed in described In other two the described adjacent corners stacked, and the middle position, the flowing are extended to from the bottom end of the stacking 5th fluid manifold is fluidly connected to the 6th fluid manifold by the third subset in channel, the flow channel it is described Between the bottom end and the middle position positioned at the stacking in third subset and first subset of the flow channel Those of flow channel interlock, wherein the 5th fluid manifold be arranged as it is conllinear with the third fluid manifold and with it is described Third fluid manifold fluid isolation, and wherein the 6th fluid manifold be arranged as it is conllinear with the 4th fluid manifold and With the 4th fluid manifold fluid isolation.

2. three fluid heat exchanger according to claim 1, wherein pass through the spy of one or more of the nested shells Levy part, the 5th fluid manifold and the third fluid manifold fluid isolation, and the 6th fluid manifold and described the Four fluid manifold fluid isolations.

3. three fluid heat exchanger according to claim 2, wherein pass through two adjacent nested shells of the nested shells Feature, the 5th fluid manifold and the third fluid manifold fluid isolation, and the 6th fluid manifold and institute State the 4th fluid manifold fluid isolation.

4. three fluid heat exchanger according to claim 1, wherein the first fluid manifold, the second fluid manifold, The third fluid manifold, the 4th fluid manifold, the 5th fluid manifold and the 6th fluid manifold pass through institute The hole for stating the alignment in nested shells provides, and each hole has periphery flange, and the periphery flange is joined in adjacent housings The corresponding periphery flange in hole.

5. three fluid heat exchanger according to claim 1 a, wherein flow channel of first subset is arranged in institute Middle position is stated, and the farthest flow channel in the top away from the stacking for being disposed in the second subset and the third Between the farthest flow channel in the bottom end away from the stacking of subset.

6. three fluid heat exchanger according to claim 1 further includes being arranged in first subset of flow channel Flow-disturbing insertion piece.

7. three fluid heat exchanger according to claim 1, wherein the multiple nested shells include multiple first shells, institute It states multiple first shells to be alternately arranged with multiple second shells, each second shell has recess, and the recess extends to Belong in the second subset of flow channel or the flow channel of the third subset, each first shell does not have recessed Nest.

8. three fluid heat exchanger according to claim 1, further includes:

First fluid port, the first fluid port arrangements are at one in the top and the bottom end, and fluid It is connected to the first fluid manifold；

Second fluid port, the second fluid port arrangements are at one in the top and the bottom end, and fluid It is connected to the second fluid manifold；

Third fluid port, the third fluid port are arranged in the top end, and are fluidly connected to the third fluid Manifold；

4th fluid port, the 4th fluid port are arranged in the top end, and are fluidly connected to the 4th fluid Manifold；

5th fluid port, the 5th fluid port are arranged in the bottom end, and are fluidly connected to the 5th fluid Manifold；And

6th fluid port, the 6th fluid port are arranged in the bottom end, and are fluidly connected to the 6th fluid Manifold.

9. three fluid heat exchanger according to claim 8, wherein the third fluid port and the 4th fluid port or 5th fluid port and the 6th fluid port are provided by refrigerant assembling block.

10. a kind of three fluid heat exchangers, comprising:

A nested shells more than first, a nested shells more than described first are arranged to stacking to limit first group of flow channel, institute It states first group of flow channel to replace with second group of flow channel, to provide the first heat exchange section of three fluid heat exchanger；

A nested shells more than second, a nested shells more than described second are arranged to stacking to limit third group flow channel, institute It states third group flow channel to replace with the 4th group of flow channel, to provide the second heat exchange section of three fluid heat exchanger； With

The one or more shells being arranged between a nested shells more than described first and more than second a nested shells, it is described One or more shells are nested together with more than described first a nested shells and more than second a nested shells, to limit packet Include the continuous stacking of the nested shells of first heat exchange section and second heat exchange section, one or more of shells Body by second group of flow channel and the 4th group of flow channel fluid isolation, and by first group of flow channel and The third group flow channel fluidly connects, so that first group of flow channel and the third group flow channel are in mechanics of liquids Upper parallel connection.

11. three fluid heat exchanger according to claim 10, wherein one or more of shells include two shells, and And wherein with the first group of flow channel and third group flow channel fluidly connects and flowing in parallel on mechanics of liquids Channel is arranged between described two shells.

It further include first fluid manifold and second fluid manifold 12. three fluid heat exchanger according to claim 10, it is described First fluid manifold and the second fluid manifold each extend through the continuous stacking of the nested shells, first group of stream It moves channel and the third group flow channel and the first fluid manifold fluid is connected to the second fluid manifold.

13. three fluid heat exchanger according to claim 10, wherein first heat exchange section be disposed in it is described embedding The top of set of shells continuously stacked, second heat exchange section are disposed in the bottom of the nested shells continuously stacked End, three fluid heat exchanger further include:

First fluid port, the first fluid port arrangements are at one in the top and the bottom end, and fluid It is connected to first group of flow channel and the third group flow channel；

Second fluid port, the second fluid port arrangements are at one in the top and the bottom end, and fluid It is connected to first group of flow channel and the third group flow channel；

Third fluid port, the third fluid port are arranged in the top end, and are fluidly connected to second group of stream Dynamic channel；

4th fluid port, the 4th fluid port are arranged in the top end, and are fluidly connected to second group of stream Dynamic channel；

5th fluid port, the 5th fluid port are arranged in the bottom end, and are fluidly connected to the 4th group of stream Dynamic channel；With

6th fluid port, the 6th fluid port are arranged in the bottom end, and are fluidly connected to the 4th group of stream Dynamic channel.

14. three fluid heat exchanger according to claim 13, wherein the third fluid port and the 4th fluid port or 5th fluid port and the 6th fluid port described in person are provided by refrigerant assembling block.

15. three fluid heat exchanger according to claim 10 further includes being arranged in disturbing in first group of flow channel Flow insertion piece.

16. three fluid heat exchanger according to claim 10, wherein a nested shells more than described first and described more than second A nested shells respectively include the multiple first shells being alternately arranged with multiple second shells, and each second shell, which has, prolongs The recess in second group of flow channel and the 4th group of flow channel is reached, each first shell does not have recessed Nest.