CN114754607B

CN114754607B - Heat exchanger

Info

Publication number: CN114754607B
Application number: CN202210360520.8A
Authority: CN
Inventors: 马峥; 请求不公布姓名; 李炅
Original assignee: Hangzhou Lvneng New Energy Auto Parts Co ltd
Current assignee: Hangzhou Lvneng New Energy Auto Parts Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2023-01-20
Anticipated expiration: 2042-04-07
Also published as: CN114754607A

Abstract

The application discloses a first collecting piece of a heat exchanger comprises a first hole part and a first groove part, a first partition plate comprises a first part, a second part and a third part, the first part is positioned in the first hole part, and the first part is hermetically connected with the hole wall of the first hole part; the second part is positioned between the first cavity and the second cavity; the third part is positioned in the first groove part and is in sealing connection with the groove wall of the first groove part; the first groove portion is recessed from the inner wall surface in a direction away from the first hole portion, the third portion extends from the second portion in a direction away from the first hole portion, and the third portion does not exceed the outer wall surface. In this application, the third portion of first baffle extends along the direction of keeping away from first hole portion from the second portion, and the third portion of first baffle does not extend beyond the outer wall of first main part, and the third portion of first baffle also does not pierce through the outer wall of first main part, has reduced the sealing weld between first main part and the external world to possible leak source has been reduced, and then the reliability of heat exchanger has been promoted.

Description

Heat exchanger

Technical Field

The application relates to the technical field of heat exchange, in particular to a heat exchanger.

Background

Heat exchangers, also known as heat exchangers, are widely used in heat exchange systems (e.g., air conditioning systems). The heat exchanger can be used for heat exchange between a heat exchange medium and outside air, and also can be used for heat exchange between two heat exchange media.

In the related art, the heat exchanger includes a flow collecting member and a partition plate, the partition plate is inserted into the flow collecting member so as to divide an inner cavity of the flow collecting member into two parts, the partition plate penetrates through two opposite side wall parts of the flow collecting member, and two sides of the partition plate are located outside an outer wall surface of the flow collecting member. Because the baffle runs through two relative lateral wall portions of mass flow piece, two relative lateral walls of mass flow piece all need set up and set up the through-hole, the pore wall of baffle and two through-holes is sealing connection respectively, has two gap seal departments between the inner chamber of mass flow piece and the external world, and the mass flow piece has two possible sealed emergence points of revealing. Therefore, the heat exchanger is highly likely to leak.

Disclosure of Invention

In view of the above problems in the related art, the present application provides a heat exchanger with better reliability.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a heat exchanger includes a first header including a first body piece having a first cavity and a second cavity; the first body member includes a first hole portion and a first groove portion, the first diaphragm includes a first portion, a second portion and a third portion, the second portion is connected between the first portion and the third portion; the first part is positioned in a first hole part, and the first part is connected with the hole wall of the first hole part in a sealing way; the second portion is located between the first cavity and the second cavity; the third part is positioned in the first groove part and is in sealing connection with the groove wall of the first groove part; the first main body piece comprises an inner wall surface and an outer wall surface, the outer wall surface is far away from the first cavity and the second cavity relative to the inner wall surface, the first groove portion is recessed from the inner wall surface in the direction far away from the first hole portion, the third portion extends from the second portion in the direction far away from the first hole portion, and the third portion does not exceed the outer wall surface.

In this application, the third portion of first baffle extends along the direction of keeping away from first hole portion from the second portion, and the third portion of first baffle does not extend and surpass the outer wall of first main part, also the outer wall that the third portion of first baffle does not pierce through first main part has also reduced the sealing weld between first main part and the external world to possible leakage point has been reduced, and then the reliability of heat exchanger has been promoted.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a heat exchanger of the present application;

FIG. 2 is an exploded view of an embodiment of the heat exchanger of the present application;

FIG. 3 is a cutaway schematic view of an embodiment of the heat exchanger of the present application;

FIG. 4 is a cutaway schematic view of an embodiment of the heat exchanger of the present application;

FIG. 5 is a cutaway schematic view of an embodiment of the heat exchanger of the present application;

FIG. 6 is a cutaway schematic view of an embodiment of the heat exchanger of the present application;

FIG. 7 is a cross-sectional schematic view of a first manifold of an embodiment of a heat exchanger of the present application;

FIG. 8 is a schematic view in partial cutaway of another embodiment of the heat exchanger of the present application;

FIG. 9 is a cross-sectional structural schematic view of a first current collector and a first separator plate of yet another embodiment of the heat exchanger of the present application;

fig. 10 is a cross-sectional structural view of a first collector and a first separator of yet another embodiment of the heat exchanger of the present application.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the terms "first," "second," and the like as used in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one; "plurality" means two or more than two. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items.

The heat exchanger according to the exemplary embodiment of the present application will be described in detail below with reference to the accompanying drawings. The features of the following examples and embodiments can be supplemented or combined with each other without conflict.

According to one embodiment of the heat exchanger of the present application, as shown in fig. 1 to 6, the heat exchanger includes a first current collecting member 1, a second current collecting member 2, and a heat exchanging core 3, one end of the heat exchanging core 3 is connected to the first current collecting member 1, the other end is connected to the second current collecting member 2, an inner cavity of the heat exchanging core 3 communicates with an inner cavity of the first current collecting member 1 and an inner cavity of the second current collecting member 2, the first current collecting member 1 is located on one side of the heat exchanging core 3 in the length direction, and the second current collecting member 2 is located on the other side of the heat exchanging core 3 in the length direction.

The heat exchange core 3 includes a plurality of heat exchange tubes 31, and both ends of each heat exchange tube 31 are hermetically connected to the first current collector 1 and the second current collector 2, respectively. Optionally, the heat exchange tube 31 is a flat tube, that is, the length of the heat exchange tube 31 is greater than the width, the width of the heat exchange tube 31 is greater than the thickness, and the long side of the cross section of the heat exchange tube 31 is greater than the short side. A plurality of circulation channels arranged along the long side direction of the flat tube are distributed in the heat exchange tube 31, two ends of each circulation channel respectively penetrate through two ends of the heat exchange tube 31, and a heat exchange medium flows in the circulation channels arranged in the heat exchange tube 31, so that the contact area between the heat exchange medium and the heat exchange tube 31 is increased, and the heat exchange efficiency of the heat exchange medium is improved. The outermost sides of both sides in the thickness direction of heat exchange core 3 may be provided with a side plate 32 for protecting heat exchange core 3. Heat exchange pieces 33 can be arranged between two adjacent first heat exchange tubes 31, between two adjacent second heat exchange tubes 31, between the first heat exchange tubes 31 and the side plates 32, and between the second heat exchange tubes 31 and the side plates 32, so that the heat exchange effect of the heat exchanger is enhanced, and the strength of the heat exchanger is improved.

In this application, the flow path of the heat exchange medium in the heat exchange core 3 is S-shaped. Optionally, the heat exchange medium is a flow path with four flow paths. Alternatively, a six-flow path is also possible. In the present embodiment, a six-pass heat exchanger is taken as an example for explanation.

In the present embodiment, the first collecting member 1 includes a first body member 11, a second body member 12, and a third body member 13. The first main body piece 11 is arranged on one side of the second main body piece 12, which is far away from the heat exchange core body 3, and is connected with the second main body piece 12; the third main body 13 is disposed on one side of the second main body 12 facing the heat exchanging core 3, and is connected to the second main body 12. In this embodiment, the first body member 11, the second body member 12, and the third body member 13 are all plate-shaped structures, the first collecting member 1 is a three-layer structure formed by stacking the first body member 11, the second body member 12, and the third body member 13, only through holes with corresponding shapes need to be machined on the second body member 12 as needed, and the first body member 11 and the third body member 13 are respectively connected to two sides of the second body member 12, so that the first collecting member 1 can be more easily machined to form a plurality of cavity-shaped structures that are not communicated with each other.

The first body member 11 has a first chamber 10, a second chamber 20, a third chamber 30, and a fourth chamber 40, the first chamber 10, the second chamber 20, the third chamber 30, and the fourth chamber 40 are not communicated with each other in the first manifold 1, one of the first chamber 10 and the third chamber 30 is communicated with an inlet of the heat exchanger, and the other is communicated with an outlet of the heat exchanger.

Specifically, referring to fig. 3 to 5, the first body 11 includes a first protruding portion 111, a second protruding portion 112, and a first plate portion 113, the first protruding portion 111 and the first plate portion 113 are of an integral structure, and the second protruding portion 112 and the first plate portion 113 are of an integral structure. The first protrusion 111 and the second protrusion 112 both extend along the length direction of the first body 11, the first protrusion 111 and the second protrusion 112 are located on the same side of the thickness direction of the first body 11, and the first protrusion 111 and the second protrusion 112 are spaced and arranged side by side along the width direction of the first body 11. The first chamber 10 and the second chamber 20 are located between the first protrusion 111 and the first plate 113, the first chamber 10 and the second chamber 20 are juxtaposed in the length direction of the first body member 11, and the first chamber 10 and the second chamber 20 are isolated from each other and do not communicate with each other in the first current collector 1. The third chamber 30 and the fourth chamber 40 are located between the second convex portion 112 and the first plate portion 113, the third chamber 30 and the fourth chamber 40 are juxtaposed in the length direction of the first main body member 11, and the third chamber 30 and the fourth chamber 40 are isolated from each other and are not communicated in the first collecting member 1.

The heat exchanger comprises a first partition plate 41, wherein the first partition plate 41 is inserted and fixed on the first main body piece 11, and the first partition plate 41 is hermetically connected with the first main body piece 11. The first boss portion 111 includes a first hole portion 101, and the first hole portion 101 penetrates the first boss portion 111 in a thickness direction of the first boss portion 111. First plate portion 113 includes first groove portion 117, first groove portion 117 is formed by being recessed from an inner surface of first plate portion 113 facing first boss portion 111 in a direction away from first boss portion 111, first groove portion 117 does not penetrate first boss portion 111, and first groove portion 117 has a bottom wall, a side wall, and a groove cavity between the bottom wall and the side wall. Referring to fig. 7, the first diaphragm 41 includes a first portion 412, a second portion 413, and a third portion 414, the second portion 413 being connected between the first portion 412 and the third portion 413, the first diaphragm 41 being inserted into the first body member 11 from the aperture of the first hole portion 101 such that the first portion 412 is located within the first hole portion 101, the second portion 413 is located between the first chamber 10 and the second chamber 20, and the third portion 414 is located in the cavity of the first groove portion 117. First portion 412 is sealingly connected to the bore wall of first bore portion 101, third portion 414 is sealingly connected to the bore wall of first recess portion 117, and second portion 413 separates first chamber 10 from second chamber 20. One port of the first chamber 10 far away from the first partition plate 41 is communicated with an outlet or an inlet of the heat exchanger, and one port of the second chamber 20 far away from the first partition plate 41 is arranged in a closed manner. Optionally, the first partition plate 41 is of an integral structure.

Referring to fig. 7, according to the processing technique of the first separator 41, both side surfaces of the first separator 41 in the thickness direction thereof have the composite layer, and the peripheral side of the first separator 41 has no composite layer, and during the processing of the heat exchanger, the composite layer is melted to fill the gap at the joint of the first separator 41 and the first body member 11, thereby forming the sealed connection. In this embodiment, the two planes of the first partition plate 41 with the composite layer in the thickness direction thereof are matched with the groove wall of the first groove portion 117, and the side solder of the composite layer is sufficient, so that the connection between the first partition plate 41 and the first plate portion 113 is more reliable. On the other hand, the composite layer melts to fill the gap, and the tolerance between the first separator 41 and the first plate portion 113 and the tolerance between the first separator 41 and the first protrusion portion 111 are not so strict, so that the difficulty in processing the heat exchanger can be reduced.

In the present application, the first separator 41 penetrates the first protrusion 111 but does not penetrate the first plate portion 113, and the first separator 41 does not penetrate the first plate portion 113, so that the number of welds between the first body member 11 and the first separator 41 can be reduced, and therefore, the number of leakage points of the first current collector 1 can be reduced, and the reliability of the first current collector 1 can be improved. Specifically, referring to fig. 6, the first partition 41 has a first end portion 411, the first end portion 411 is a position where the distance between the first partition 41 and the second body 12 is the smallest, the first body 11 includes an inner wall surface and an outer wall surface, the outer wall surface is a side surface where the first plate 113 and the second body 12 are hermetically connected, the inner wall surface is a side surface where the first plate 113 is disposed around the first cavity 10 and the second cavity 20, the inner wall surface is close to the first cavity 10 and the second cavity 20 relative to the outer wall surface, the first end portion 411 is farther from the second body 12 relative to the outer wall surface, and the first end portion 411 of the first partition 41 is a joint of the first partition 41 and a bottom wall of the first groove portion 117. Optionally, the first plate portion 113 is flat, and a portion of the first partition plate 41, which is matched with the first plate portion 113, is a plane.

In some other embodiments, the first separator 41 further includes a fourth portion extending from the first portion 412 to the outside of the first current collector 1, and the fourth portion is exposed to the outside of the first current collector 1. The maximum width of the fourth portion is greater than the width of the first hole portion 101 in the width direction of the first manifold 1, so that the circumferential side wall surface of the first hole portion 101 and the side wall surface of the first separator 41 in the thickness direction are sufficiently fitted, and the side wall surface of the first separator 41 in the thickness direction has a composite layer, so that the sealing connection of the first separator 41 and the first hole portion 101 is more reliable.

The heat exchanger comprises a second partition plate 42, the second partition plate 42 is inserted and fixed on the first body part 11, and the second partition plate 42 is connected with the first body part 11 in a sealing mode. The second protruding portion 112 is provided with a second hole portion 102, and the second hole portion 102 penetrates the second protruding portion 112. The first plate portion 113 includes a second groove portion 118, the second groove portion 118 is formed by being recessed from an inner surface of the first plate portion 113 facing the second boss portion 112 in a direction away from the second boss portion 112, the second groove portion 118 does not penetrate the second boss portion 112, and the second groove portion 118 has a bottom wall, a side wall, and a groove cavity between the bottom wall and the side wall. The second partition plate 42 is inserted into the first body member 11 from the orifice of the second bore portion 102 such that the second partition plate 42 is partially located within the second bore portion 102, a portion of the second partition plate 42 is located between the third cavity 30 and the fourth cavity 40, and a portion is located in the cavity of the second recess portion 118. The second partition plate 42 is sealingly connected to the wall of the second bore portion 102, the second partition plate 42 is sealingly connected to the wall of the second recessed portion 118, and the second partition plate 42 separates the third chamber 30 and the fourth chamber 40. The second separator 42 has the second end portion 421, the second end portion 421 is the portion where the distance between the second separator 42 and the second body member 12 is the smallest, the distance between the second end portion 421 and the second body member 12 is smaller than the distance between the notch of the second groove portion 118 and the second body member 12, and the second separator 42 penetrates through the second protrusion portion 112 but does not penetrate through the first plate portion 113, so that the leakage point of the first current collecting member 1 can be reduced, and the reliability of the first current collecting member 1 can be improved. In this embodiment, the structure of the second partition plate 42 is the same as that of the first partition plate 41, the fitting structure of the second partition plate 42 to the first body member 11 is the same as that of the first partition plate 41 to the first body member 11, and reference may be made to the related description. In some other embodiments, the structures of the first partition plate 41 and the second partition plate 42 may be different, but the matching relationship between the first partition plate 41 and the first body member 11 and the second partition plate 42 is satisfied, and the application is not limited.

The first plate portion 113 has a plurality of first through holes 114, the first through holes 114 penetrate the first plate portion 113 in the thickness direction of the first plate portion 113, and the first chamber 10, the second chamber 20, the third chamber 30, and the fourth chamber 40 communicate with different first through holes 114, respectively.

The second body 12 includes a plurality of first holes 121, a spacing rib is disposed between two adjacent first holes 121, and the first holes 121 penetrate through the second body 12 along the thickness direction of the second body 12. In this embodiment, the first holes 121 are in an "i" shape, the first through holes 114 are communicated with the first holes 121 and are in one-to-one correspondence, one first hole 121 corresponds to two heat exchange tubes 31, and inner cavities of the two heat exchange tubes 31 are communicated with the same first hole 121.

The third body 13 has first mounting holes corresponding one-to-one to the heat exchange tubes 31, the first mounting holes penetrating the third body 13 in the thickness direction of the third body 13, the end portions of the heat exchange tubes 31 being partially received in the first mounting holes, the outer wall surfaces of the heat exchange tubes 31 being sealingly connected to the wall of the hole forming the first mounting holes, thereby connecting the heat exchange tubes 31 to the first current collector 1. The end surface of the heat exchange tube 31 may be located in the first mounting hole, may be flush with the side surface of the third body 13 facing the second body 12, or may pass through the first mounting hole to be located in the first hole 121, as long as the heat exchange tube 31 can be fixed to the first collecting member 1, and the inner cavity of the heat exchange tube 31 is communicated with the inner cavity of the first collecting member 1.

In another embodiment, the first collecting member 1 may be provided in a two-layer structure, in which case the second body member 12 is integrally formed with the first body member 11, or the second body member 12 is integrally formed with the third body member 13. In yet another embodiment, the first collecting member 1 may be provided in a four-layer structure, in which case, an intermediate member may be added between the second body member 12 and the first body member 11, both sides of the intermediate member are hermetically connected with the second body member 12 and the first body member 11, respectively, and the intermediate member includes holes corresponding to the holes of the second body member 12, and the size of the holes of the intermediate member is larger than that of the holes of the second body member 12. Or an intermediate piece is added between the second main body piece 12 and the third main body piece 13, two sides of the intermediate piece are respectively connected with the second main body piece 12 and the third main body piece 13 in a sealing way, the intermediate piece comprises a hole corresponding to the hole on the second main body piece 12, and the size of the hole on the intermediate piece is smaller than that of the hole on the second main body piece 12. Through increasing the intermediate member, make the hole on the intermediate member and the hole on the second main part 12 constitute each circulation chamber jointly to the size of the hole on the intermediate member is different with the size of the hole on the second main part 12, can make each circulation chamber form stair structure, that is to say, along the direction that is close to heat exchange tube 31, and the aperture in circulation chamber reduces gradually, thereby plays acceleration rate's effect, makes heat transfer medium's flow more smooth and easy.

The second manifold member 2 includes a fourth body member 21, a fifth body member 22, and a sixth body member 23. The fourth main body piece 21 is arranged on one side of the fifth main body piece 22, which is far away from the heat exchange core body 3, and is connected with the fifth main body piece 22; the sixth body member 23 is disposed on the side of the fifth body member 22 facing the heat exchanging core 3, and is connected to the fifth body member 22. In this embodiment, the fifth main body element 22, the fourth main body element 21 and the sixth main body element 23 are plate-shaped structures, the second collecting member 2 is a three-layer structure formed by stacking the fourth main body element 21, the fifth main body element 22 and the sixth main body element 23, and only a through hole with a corresponding shape needs to be machined in the fifth main body element 22 as required, and the fourth main body element 21 and the sixth main body element 23 are respectively connected to two sides of the fifth main body element 22, so that the second collecting member 2 can be more easily machined to form a plurality of cavity-shaped structures which are not communicated with each other. Similarly to the first current collector 1, the second current collector 2 may also be provided in a two-layer plate-like structure or a four-layer plate-like structure.

The fourth body member 21 has a fifth chamber 50, a sixth chamber 60, a seventh chamber 70, and an eighth chamber 80, the fifth chamber 50, the sixth chamber 60, and the seventh chamber 70 are not communicated with each other in the second manifold 2, and the sixth chamber 60 and the eighth chamber 80 are communicated in the second manifold 2.

Specifically, referring to fig. 3 to 4, the fourth main body 21 includes a third protruding portion 211, a fourth protruding portion 212, and a second plate portion 213, the third protruding portion 211 and the second plate portion 213 are of an integral structure, and the fourth protruding portion 212 and the second plate portion 213 are of an integral structure. The third protrusion 211 and the fourth protrusion 212 both extend along the length direction of the fourth main body 21, the third protrusion 211 and the fourth protrusion 212 are located on the same side of the fourth main body 21 in the thickness direction, and the third protrusion 211 and the fourth protrusion 212 are spaced and arranged side by side along the width direction of the fourth main body 21. The fifth chamber 50 and the sixth chamber 60 are located between the third projecting portion 211 and the second plate portion 213, the fifth chamber 50 and the sixth chamber 60 are juxtaposed in the length direction of the fourth body member 21, and the fifth chamber 50 and the sixth chamber 60 are isolated from each other and do not communicate in the second collector member 2. The seventh chamber 70 and the eighth chamber 80 are located between the fourth projecting portion 212 and the second plate portion 213, the seventh chamber 70 and the eighth chamber 80 are juxtaposed in the length direction of the fourth main body member 21, and the seventh chamber 70 and the eighth chamber 80 are isolated from each other and do not communicate in the second collector member 2.

The heat exchanger comprises a third partition plate 43 and a fourth partition plate 44, the third partition plate 43 and the fourth partition plate 44 are inserted and fixed on the fourth main body 21, and the third partition plate 43 and the fourth partition plate 44 are respectively connected with the fourth main body 21 in a sealing mode. The third partition 43 is partially located between the fifth chamber 50 and the sixth chamber 60, the fifth chamber 50 is closely located away from a port of the third partition 43, and the sixth chamber 60 is closely located away from a port of the third partition 43. The fourth partition 44 is partially disposed between the seventh chamber 70 and the eighth chamber 80, the seventh chamber 70 being disposed in a closed relationship with a port of the fourth partition 44, and the eighth chamber 80 being disposed in a closed relationship with a port of the fourth partition 44.

The third partition 43 cooperates with the third protrusion 211 and the second plate portion 213, and the fourth partition 44 cooperates with the fourth protrusion 212 and the second plate portion 213, which are the same as the cooperating structure between the first partition 41 and the first body 11, so that reference is made to the related description, and the details are not repeated here.

The second plate portion 213 has a plurality of second through holes 214, the second through holes 214 penetrate the second plate portion 213 in the thickness direction of the second plate portion 213, and the fifth chamber 50, the sixth chamber 60, the seventh chamber 70, and the eighth chamber 80 communicate with different second through holes 214, respectively.

The fifth main body 22 includes a plurality of second holes 221, a plurality of third holes 222, and a plurality of fourth holes 223, a spacing rib is disposed between the second holes 221, the third holes 222, and the fourth holes 223, a spacing rib is disposed between adjacent second holes 221, a spacing rib is disposed between adjacent third holes 222, a spacing rib is disposed between adjacent fourth holes 223, and the second holes 221, the third holes 222, and the fourth holes 223 penetrate through the fifth main body 22 along a thickness direction of the fifth main body 22. The second hole 221 communicates with the fifth chamber 50, the third hole 222 communicates with the seventh chamber 70, and the fourth hole 223 communicates with the sixth chamber 60 and the eighth chamber 80, i.e., the fourth hole 223 communicates with the sixth chamber 60 and the eighth chamber 80. The second hole 221, the third hole 222, and the fourth hole 223 communicate with inner cavities of different heat exchange tubes 31, respectively.

The sixth body member 23 has second mounting holes in one-to-one correspondence with the heat exchange tubes 31, the second mounting holes penetrating the sixth body member 23 in the thickness direction of the sixth body member 23. The matching structure of the heat exchange tube 31 and the second mounting hole is the same as the matching structure of the heat exchange tube 31 and the first mounting hole, and reference may be made to the related description, and details are not described herein.

The first current collector 1 has a first end a and a first end B, which are respectively located at opposite sides of the first current collector 1 in its own length direction. The first chamber 10 is located between the first partition 41 and the first end a, the second chamber 20 is located between the first partition 41 and the first end B, the third chamber 30 is located between the second partition 42 and the first end a, and the fourth chamber 40 is located between the second partition 42 and the first end B. The second current collector 2 has a third end C and a fourth end D, which are respectively located at opposite sides of the second current collector 2 in its longitudinal direction. Fifth chamber 50 is located between third diaphragm 43 and fourth end D, sixth chamber 60 is located between third diaphragm 43 and third end C, seventh chamber 70 is located between fourth diaphragm 44 and fourth end D, and eighth chamber 80 is located between fourth diaphragm 44 and third end C.

In this embodiment, on a plane perpendicular to the length direction of the heat exchange core 3, the projection of the first protrusion 111 and the projection of the third protrusion 211 at least partially overlap, the projection of the first partition plate 41 does not overlap with the projection of the third partition plate 43, and the projection of the third partition plate 43 is far away from the first end a relative to the projection of the first partition plate 41; the projection of the second protrusion 112 and the projection of the fourth protrusion 212 at least partially overlap, the projection of the second partition 42 and the projection of the fourth partition 44 do not overlap, and the projection of the fourth partition 44 is far from the first end a relative to the projection of the second partition 42. The inner cavity of one part of the heat exchange tube 31 is communicated with the first cavity 10 and the fifth cavity 50, the other part of the heat exchange tube 31 is communicated with the fifth cavity 50 and the second cavity 20, the other part of the heat exchange tube 31 is communicated with the second cavity 20 and the sixth cavity 60, the other part of the heat exchange tube 31 is communicated with the eighth cavity 80 and the fourth cavity 40, the other part of the heat exchange tube 31 is communicated with the fourth cavity 40 and the seventh cavity 70, and the other part of the heat exchange tube 31 is communicated with the seventh cavity 70 and the third cavity 30.

In the present embodiment, on a plane perpendicular to the length direction of the heat exchange core 3, the distance from the projection of the second partition plate 42 to the first end a is the same as the distance from the projection of the first partition plate 41 to the first end a; the distance projected to the third end C by the third diaphragm 43 is the same as the distance projected to the third end C by the fourth diaphragm 44. In the present embodiment, the first partition plate 41 and the second partition plate 42 are each independently molded and then each fitted with the first body member 11; the third partition 43 and the fourth partition 44 are each formed separately and then each fitted with the fourth body member 21.

In some other embodiments, referring to fig. 8, the first separator plate 41 and the second separator plate 42 are a unitary structure and are connected to form a unitary separator plate 4. The first end portion 411 of the first partition 41 and the second end portion 421 of the second partition 42 are of an integral structure and are connected to form an integral end portion 401. The first and

second groove portions

117 and 118 are an integral structure and connected to form an integral groove portion 119, and the integral partition plate 4 is fitted into the integral groove portion 119. Optionally, the third partition plate 43 and the fourth partition plate 44 are integrated into a whole and connected to form another integrated partition plate; the third groove part and the fourth groove part are of an integrated structure and are connected to form the other integrated groove part. The use of the integrated partition plate 4 and the integrated groove portion 119 can reduce the number of assembling processes and machining processes, and improve the machining efficiency.

In some other embodiments, on a plane perpendicular to the length direction of heat exchange core 3, the distance projected to first end a of second partition plate 42 is different from the distance projected to first end a of first partition plate 41, and first partition plate 41 and second partition plate 42 are arranged in a staggered manner; the distance projected to the third end C of the third diaphragm 43 is different from the distance projected to the third end C of the fourth diaphragm 44, and the third diaphragm 43 and the fourth diaphragm 44 are arranged in a staggered manner.

It should be noted that the heat exchanger can be used as an evaporator or as a condenser, depending on the application of the heat exchanger in the thermal management system. The flow direction of the heat exchange medium in the heat exchanger can be two types: the first is a first chamber 10, a fifth chamber 50, a second chamber 20, a sixth chamber 60, an eighth chamber 80, a fourth chamber 40, a seventh chamber 70, and a third chamber 30; the second is a third chamber 30, a seventh chamber 70, a fourth chamber 40, an eighth chamber 80, a sixth chamber 60, a second chamber 20, a fifth chamber 50, and a first chamber 10. The embodiment of the present application will be described in detail with reference to the first flow direction as an example, that is, the first chamber 10 is communicated with the inlet of the heat exchanger, and the third chamber 30 is communicated with the outlet of the heat exchanger.

Firstly, a heat exchange medium enters a first cavity 10 through an inlet of a heat exchanger, then enters an inner cavity of a heat exchange pipe 31 communicated with the first cavity 10 and flows along the part of the heat exchange pipe 31, and at the moment, the heat exchange medium exchanges heat with other media (such as air);

the heat exchange medium enters the fifth chamber 50, and due to the action of the third partition plate 43, the heat exchange medium flows into the inner cavity of the heat exchange tube 31 which is positioned between the first partition plate 41 and the third partition plate 43 and communicates the second chamber 20 and the fifth chamber 50, flows along the part of the heat exchange tube 31 and exchanges heat with other media again;

then the heat exchange medium enters the second cavity 20, then enters the inner cavity of the heat exchange tube 31 communicated with the sixth cavity 60, flows along the part of the heat exchange tube 31 and exchanges heat with other media again;

the heat exchange medium enters the sixth cavity 60, enters the eighth cavity 80 under the action of the fourth hole 223, then flows into the inner cavity of the heat exchange tube 31 communicated with the eighth cavity 80, flows along the part of the heat exchange tube 31 and exchanges heat with other media again;

the heat exchange medium enters the fourth cavity 40, and due to the action of the second partition plate 42, the heat exchange medium flows into the inner cavity of the heat exchange tube 31 which is positioned between the second partition plate 42 and the fourth partition plate 44 and is communicated with the fourth cavity 40 and the seventh cavity 70, and flows along the part of the heat exchange tube 31, and in the process, the heat exchange medium exchanges heat with other media;

the heat exchange medium enters the seventh cavity 70, then enters the inner cavity of the heat exchange tube 31 communicated with the third cavity 30, flows along the part of the heat exchange tube 31, exchanges heat with other media again, finally enters the third cavity 30, and flows out through the outlet of the heat exchanger, thus completing a heat exchange process.

The heat exchanger comprises a first adapter 5 and a first pipe 7, the first collecting part 1 comprises a first connecting pipe 115, the first connecting pipe 115 is connected with the first bulge part 111 and the first plate part 113 in a sealing mode, and the inner cavity of the first connecting pipe 115 is communicated with the first cavity 10. The first adapter 5 connects the first connection tube 115 and the first pipe 7, and the inner cavity of the first adapter 5 communicates the inner cavity of the first connection tube 115 and the inner cavity of the first pipe 7. Alternatively, the first connection pipe 115 is integrally structured with the first plate portion 113.

In this embodiment, referring to fig. 3 to 5 and 7, the first adaptor 5 is a cylindrical member having a hollow interior. The first adapter 5 includes a first connection part 51, a second connection part 52 and a first duct part 53, the first connection part 51 and the second connection part 52 are respectively located at two opposite sides of the axial extension direction of the first duct part 53, at least a part of the first connection pipe 115 is located in an inner cavity of the first connection part 51, the first connection pipe 115 is connected with the first connection part 51 in a sealing manner, at least a part of the first piping 7 is located in an inner cavity of the second connection part 52, and the first piping 7 is connected with the second connection part 52 in a sealing manner. The first port portion 53 has a first port that communicates the inner cavity of the first adapter 115 and the inner cavity of the first pipe 7.

A cross section perpendicular to the width direction of the first current collecting member 1 and passing through the first adaptor member 5 is made (see fig. 7), and the cross section of the first channel portion 53 is flared. The inner diameter of the second connecting portion 52 is larger than the inner diameter of the first connecting portion 51, and the hydraulic diameter of the first orifice portion 53 gradually increases along the direction from the first connecting portion 51 to the second connecting portion 52. Optionally, the first duct is a tapered flow channel, and a transition structure with less collision of the heat exchange medium can be formed, so that compared with a stepped transition structure, the flow resistance of the heat exchange medium is reduced while the processing cost is not increased.

The heat exchanger comprises a second adaptor 6 and a second pipe 8, the first collecting part 1 comprises a second connecting pipe 116, the second connecting pipe 116 is hermetically connected with the second bulge part 112 and the first plate part 113, and the inner cavity of the second connecting pipe 116 is communicated with the third cavity 30. The second adaptor 6 connects the second connection tube 116 and the second pipe 8, and the inner cavity of the second adaptor 6 communicates the inner cavity of the second connection tube 116 and the inner cavity of the second pipe 8. Alternatively, the second adapter tube 116 is of unitary construction with the first plate portion 113.

In this embodiment, referring to fig. 3 to 5, the second adaptor 6 is a cylindrical member having a hollow interior. The second adaptor 6 includes a third port 61, a fourth port 62 and a second hole 63, the third port 61 and the fourth port 62 are respectively located on two opposite sides of the second hole 63 in the axial extending direction, at least a part of the second adapter 116 is located in the inner cavity of the third port 61, the second adapter 116 is hermetically connected to the third port 61, at least a part of the second tubing 8 is located in the inner cavity of the fourth port 62, and the second tubing 8 is hermetically connected to the fourth port 62. The second port portion 63 has a second port that communicates the inner cavity of the second adapter 116 and the inner cavity of the second pipe 8.

A cross section perpendicular to the width direction of the first collecting member 1 and passing through the second adaptor 6 is made, and the cross section of the second channel part 63 is trumpet-shaped. The inner diameter of the fourth connecting port 62 is larger than the inner diameter of the third connecting port 61, and the hydraulic diameter of the second bore portion 63 is gradually increased along the direction from the third connecting port 61 to the fourth connecting port 62. Optionally, the second duct is a tapered flow channel, so that a transition structure with less collision of the heat exchange medium can be formed, and compared with a stepped transition structure, the flow resistance of the heat exchange medium is reduced while the processing cost is not increased.

According to another specific embodiment of the heat exchanger of the present application, the structure of the heat exchanger of the present embodiment is substantially the same as that of the previous embodiment, except that: the heat exchange medium is a flow path with four flow paths.

Specifically, in the present embodiment, the heat exchanger does not include the third separator 43 and the fourth separator 44, and in the second header 2, the fifth chamber 50 communicates with the sixth chamber 60, the seventh chamber 70 communicates with the eighth chamber 80, and the sixth chamber 60 does not communicate with the eighth chamber 80. In the first manifold 1, the second chamber 20 communicates with the fourth chamber 40, and the first chamber 10, the second chamber 20, and the third chamber 30 do not communicate with each other. The communication may be achieved by the design of the second body member 12 and the fifth body member 22.

Depending on the application of the heat exchanger in the thermal management system, the heat exchanger may be used as an evaporator or as a condenser. The flow direction of the heat exchange medium in the heat exchanger can be two types: the first is a first chamber 10, a fifth chamber 50 (sixth chamber 60), a second chamber 20, a fourth chamber 40, a seventh chamber 70 (eighth chamber 80), and a third chamber 30; the second is a third chamber 30, a seventh chamber 70 (eighth chamber 80), a fourth chamber 40, a second chamber 20, a fifth chamber 50 (sixth chamber 60), and a first chamber 10.

According to other specific embodiments of the heat exchanger of the present application, the structure of the heat exchanger of the present embodiment is substantially the same as that of the previous embodiment, except that: the first current collector 1 or the second current collector 2 has a different structure. Taking the structure difference of the first collecting member 1 as an example, specifically, referring to fig. 9, the first collecting member 1 in this embodiment only includes the first body member 11, the cross section of the first body member 11 is a substantially D-shaped ring, the inner side of the straight section or the arc-shaped section of the D-shaped structure of the first body member 11 is provided with the first groove portion 117, the first partition plate 41 is inserted into the groove cavity of the first groove portion 117, and the first partition plate 41 is connected with the groove wall of the first groove portion 117 in a sealing manner. Alternatively, the first body member 11 is of unitary construction.

According to other specific embodiments of the heat exchanger of the present application, the structure of the heat exchanger of the present embodiment is substantially the same as that of the previous embodiment, except that: the first current collector 1 or the second current collector 2 has a different structure. Specifically, referring to fig. 10, the first collecting member 1 of the present embodiment includes only the first body member 11, the cross section of the first body member 11 is substantially circular, the first body member 11 is provided with a first groove 117 on the inner side, the first partition plate 41 is inserted into the groove cavity of the first groove 117, and the first partition plate 41 is hermetically connected to the groove wall of the first groove 117. Alternatively, the first body member 11 is of unitary construction.

Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention.

Claims

1. A heat exchanger comprising a first header and a first separator plate, the first header comprising a first body member having a first chamber and a second chamber;

the first body member includes a first aperture portion and a first groove portion, the first diaphragm includes a first portion, a second portion and a third portion, the second portion is connected between the first portion and the third portion; the first part is positioned in a first hole part, and the first part is connected with the hole wall of the first hole part in a sealing way; the second portion is located between the first cavity and the second cavity; the third part is positioned in the first groove part and is in sealing connection with the groove wall of the first groove part;

the first main body piece comprises an inner wall surface and an outer wall surface, the outer wall surface is far away from the first cavity and the second cavity relative to the inner wall surface, the first groove portion is sunken from the inner wall surface in the direction far away from the first hole portion, the third portion extends from the second portion in the direction far away from the first hole portion, and the third portion does not exceed the outer wall surface;

the first collecting piece comprises a first connecting pipe, the first connecting pipe is connected with the first collecting piece in a sealing mode, and an inner cavity of the first connecting pipe is communicated with the first cavity;

the heat exchanger comprises a first adapter, the first adapter comprises a first pore passage part, a first interface part and a second interface part, the first pore passage part is provided with a first pore passage, the first pore passage is communicated with an inner cavity of the first adapter, the first interface part and the second interface part are respectively positioned on two opposite sides of the axial extension direction of the first pore passage part, at least part of the first adapter is positioned in the inner cavity of the first interface part, the first adapter is connected with the first interface part in a sealing manner, part of side wall of the first adapter protrudes inwards to form the side wall of the first pore passage part, the hydraulic diameter of the first pore passage part is gradually increased along the direction of the first interface part towards the second interface part, and the first adapter is connected with the side wall of the first pore passage part along the tail end part of the length direction of the first adapter in a sealing manner.

2. The heat exchanger as claimed in claim 1, wherein a groove depth of the first groove portion is smaller than a thickness of a side wall of the first body member provided with the first groove portion in a direction of depression of the first groove portion.

3. The heat exchanger of claim 1, including a second partition, said first body member having a third chamber and a fourth chamber, said second partition being partially located between said third chamber and said fourth chamber, said first chamber, said second chamber, said third chamber, and said fourth chamber being isolated from one another in said first body member;

the first main body part comprises a second hole part and a second groove part, a part of the second clapboard is positioned in the second hole part, the second clapboard is in sealing connection with the hole wall of the second hole part, the other part of the second clapboard is positioned in the groove cavity of the second groove part, and the second clapboard is in sealing connection with the groove wall of the second groove part;

the second groove portion is formed by being recessed from an inner surface of the first body member facing the second hole portion in a direction away from the second hole portion, and the second partition plate located in the second groove portion does not extend beyond the outer wall surface of the first body member in a direction away from the second hole portion.

4. The heat exchanger as claimed in claim 3, wherein the first body member includes a first boss portion, a second boss portion, and a first plate portion, the first boss portion and the second boss portion are respectively connected to the first plate portion, the first boss portion and the second boss portion each extend in a length direction of the first body member, the first boss portion and the second boss portion are located on the same side in a thickness direction of the first body member, and the first boss portion and the second boss portion are spaced apart and arranged side by side in a width direction of the first body member;

the first cavity and the second cavity are located between the first protruding portion and the first plate portion, the first cavity and the second cavity are arranged in parallel along the length direction of the first main body piece, the third cavity and the fourth cavity are located between the second protruding portion and the first plate portion, and the third cavity and the fourth cavity are arranged in parallel along the length direction of the first main body piece;

the first hole portion penetrates through the first protruding portion, the second hole portion penetrates through the second protruding portion, the first groove portion and the second groove portion are both arranged on the first plate portion, the first partition plate is connected with the first protruding portion in a sealing mode, the second partition plate is connected with the second protruding portion in a sealing mode, and the first partition plate and the second partition plate are connected with the first plate portion in a sealing mode respectively.

5. The heat exchanger of claim 4, wherein the first boss is of unitary construction with the first plate portion and the second boss is of unitary construction with the first plate portion.

6. The heat exchanger of any one of claims 3 to 5, wherein the first baffle plate is of unitary construction with the second baffle plate, and the first recessed portion is of unitary construction with the second recessed portion.

7. The heat exchanger as claimed in claim 4, wherein the first groove portion is concavely formed from a surface of the first plate portion facing the first projecting portion toward a direction away from the first projecting portion, and a groove depth of the first groove portion is smaller than a thickness of the first plate portion in a concave direction of the first groove portion;

the second groove portion is formed by being recessed from a surface of the first plate portion facing the second protruding portion toward a direction away from the second protruding portion, and a groove depth of the second groove portion is smaller than a thickness of the first plate portion along the recessed direction of the second groove portion.

8. The heat exchanger as claimed in claim 4, further comprising a heat exchange core hermetically connected to a side of the first manifold facing away from the first boss and the second boss, wherein inner cavities of the heat exchange core are respectively communicated with the first cavity, the second cavity, the third cavity and the fourth cavity.

9. A heat exchanger according to claim 1, wherein a projection of said first port portion is flared in a plane perpendicular to a width direction of said first current collecting member.

10. The heat exchanger of claim 9, wherein the heat exchanger includes a first pipe having an inner cavity partially located at the second connection port, the first pipe being sealingly connected to the second connection port, and a distal end portion of the first pipe in an axial direction of the first port being sealingly connected to a side wall of the first port;

the first port communicates an inner cavity of the first adapter tube with an inner cavity of the first tubing.