CN118168370A - Heat exchange equipment and thermal management system - Google Patents

Abstract

The application discloses heat exchange equipment, which comprises a plurality of plates, wherein the plates are stacked to form an air supplementing enthalpy increasing part and an evaporating part; the air supplementing enthalpy increasing part is provided with a first flow passage and a second flow passage, the evaporating part is provided with a third flow passage and a fourth flow passage which are mutually isolated, and an outlet of the first flow passage can be communicated with an inlet of the third flow passage. According to the application, the air supplementing enthalpy increasing part and the evaporating part are formed by stacking the plates, so that the structure is compact, and the occupied space of the heat exchange equipment can be reduced. The application also discloses a thermal management system with less occupied space.

Description

Heat exchange equipment and thermal management system

Technical Field

The application relates to the technical field of heat exchange, in particular to heat exchange equipment and a heat management system.

Background

In the related art, the air supplementing enthalpy increasing device and the evaporator are both fixed on the flow passage plate, and are communicated through the internal channels of the flow passage plate. The arrangement of the flow channel plate makes the communication between the air supplementing enthalpy increasing device and the evaporator simpler, but because the flow channel plate needs to be provided with an internal channel and needs to have certain pressure resistance, the volume of the flow channel plate is larger, so that the occupied space of the heat exchange equipment is larger.

Disclosure of Invention

The application aims to provide heat exchange equipment and a heat management system with reduced occupied space.

In order to achieve the above purpose, the present application adopts the following technical scheme:

In a first aspect, a heat exchange apparatus, comprising: the plurality of plates are stacked to form an air supplementing enthalpy increasing part and an evaporating part; the air supplementing and enthalpy increasing part is provided with a first flow passage and a second flow passage, the evaporating part is provided with a third flow passage and a fourth flow passage which are mutually isolated, and an outlet of the first flow passage can be communicated with an inlet of the third flow passage.

According to the application, the air supplementing enthalpy increasing part and the evaporating part are formed by stacking the plates, so that the structure is compact, and the occupied space of the heat exchange equipment can be reduced.

In a second aspect, a thermal management system includes a compressor and the heat exchange device described above, where, when the thermal management system is in an operating state, a gas-make-up enthalpy-increasing inlet of the compressor is in communication with an outlet of the second flow passage.

In the application, each part is formed by stacking the plates, the outlet of each part is communicated with the inlets of other non-parts, the air supplementing and enthalpy increasing inlet of the compressor is communicated with the outlet of the second flow passage, and the heat exchange equipment occupies smaller space, so that the heat management system occupies smaller space.

Drawings

FIG. 1 is a schematic diagram illustrating the connection of one embodiment of a thermal management system of the present application;

FIG. 2 is a schematic connection diagram of another embodiment of a thermal management system of the present application;

FIG. 3 is a schematic view of an embodiment of a heat exchange apparatus of the present application;

FIG. 4 is a schematic illustration in cross-section of an embodiment of the heat exchange apparatus of the present application;

FIG. 5 is an exploded schematic view of an embodiment of the heat exchange apparatus of the present application;

FIG. 6 is an exploded view of an embodiment of the heat exchange apparatus of the present application at another angle;

FIG. 7 is a schematic view of another embodiment of the heat exchange apparatus of the present application;

FIG. 8 is a schematic view in cross-section of another embodiment of the heat exchange apparatus of the present application;

FIG. 9 is a schematic view in cross-section of yet another embodiment of the heat exchange apparatus of the present application;

FIG. 10 is a further exploded schematic view of an embodiment of the heat exchange apparatus of the present application;

FIG. 11 is a schematic view in cross-section of another embodiment of the heat exchange apparatus of the present application;

FIG. 12 is an enlarged view of FIG. 11 at circle Q;

FIG. 13 is a schematic view in cross-section of yet another embodiment of the heat exchange apparatus of the present application;

FIG. 14 is an enlarged view of circle R of FIG. 13;

FIG. 15 is a schematic view in cross-section of yet another embodiment of the heat exchange apparatus of the present application;

FIG. 16 is an enlarged view of circle U of FIG. 15;

FIG. 17 is a schematic view in cross-section of yet another embodiment of the heat exchange apparatus of the present application;

Fig. 18 is a schematic view in cross-section at another angle of a further embodiment of the heat exchange device of the present application.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the accompanying 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 specification 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 used in the description and the claims do not denote any order, quantity or importance, but rather are used to distinguish one element from another. Likewise, 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 and more than two. Unless otherwise indicated, the terms "front," "rear," "lower," and/or "upper" and the like are merely for convenience of description and are not limited to one location or one spatial orientation. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded.

The heat exchange apparatus according to an exemplary embodiment of the present application will be described in detail with reference to the accompanying drawings. The features of the examples and embodiments described below may be supplemented or combined with one another without conflict.

According to a specific embodiment of the heat exchange device 7 according to the application, as shown in fig. 1 to 18, the heat exchange device 7 comprises a plurality of plates stacked in the thickness direction of the heat exchange device 7, each plate being substantially sheet-shaped, each plate being substantially rectangular in shape, and the heat exchange device 7 may be a plate heat exchanger. Alternatively, the projected profiles of all plates coincide, i.e. the outer profile dimensions of all plates are the same, on a plane perpendicular to the thickness direction of the heat exchanger device 7. After all the plates are stacked according to a preset rule, the welding can be completed at one time, the process can be simplified, and the appearance is neat. The length direction of the heat exchange device 7 is perpendicular to the stacking direction of the plates, namely the thickness direction of the heat exchange device 7.

In this embodiment, the heat exchange device 7 includes a gas-supplementing enthalpy-increasing portion 8 and an evaporating portion 3, and the gas-supplementing enthalpy-increasing portion 8 and the evaporating portion 3 are arranged along the length direction of the heat exchange device 7. The air-supplementing and enthalpy-increasing portion 8 has a first flow passage S7 and a second flow passage S8, and the first flow passage S7 and the second flow passage S8 are each used for circulating the refrigerant, and in the air-supplementing and enthalpy-increasing portion 8, the refrigerant in the first flow passage S7 exchanges heat with the refrigerant in the second flow passage S8.

The first flow passage S7 includes a twelfth orifice 81, a thirteenth orifice 82, and a plurality of seventh inter-plate passages (not shown), and the second flow passage S8 includes a fourteenth orifice 83, a fifteenth orifice 84, and a plurality of eighth inter-plate passages (not shown), the twelfth orifice 81 and the thirteenth orifice 82 being in communication with both sides of the seventh inter-plate passages, respectively, the fourteenth orifice 83 and the fifteenth orifice 84 being in communication with both sides of the eighth inter-plate passages, respectively, the seventh inter-plate passages and the eighth inter-plate passages being isolated from each other.

The evaporation unit 3 has a third flow path S3 and a fourth flow path S4, and the third flow path S3 and the fourth flow path S4 are isolated from each other. The third flow path S3 is used for circulating a refrigerant, the fourth flow path S4 is used for circulating a coolant, and the refrigerant can exchange heat with the coolant in the evaporator 3, and the refrigerant absorbs heat from the coolant.

The third flow channel S3 includes a fourth orifice 31, a fifth orifice 32 and a plurality of third inter-plate passages (not shown), the fourth flow channel S4 includes a sixth orifice 33, a seventh orifice 34 and a plurality of fourth inter-plate passages (not shown), the fourth orifice 31 and the fifth orifice 32 are respectively communicated with both sides of the third inter-plate passages, the sixth orifice 33 and the seventh orifice 34 are respectively communicated with both sides of the fourth inter-plate passages, and the third inter-plate passages and the fourth inter-plate passages are isolated from each other.

The plurality of plates of the heat exchange device 7 comprises a plurality of first plates a, a plurality of second plates B, a top plate E and an intermediate plate F. The first plates a and the second plates B are alternately stacked in the stacking direction of the plates, and a plurality of the first plates a and a plurality of the second plates B are located between the top plate E and the intermediate plate F. The top plate E, the intermediate plate F, the plurality of first plates a, and the plurality of second plates B are stacked to form the air-supplementing and enthalpy-increasing portion 8 and the evaporation portion 3.

The top plate E, the intermediate plate F, the first plate a, and the second plate B each include a first plate portion P3 and a second plate portion P4, and the first plate portion P3 of the first plate a, the first plate portion P3 of the second plate B, the first plate portion P3 of the top plate E, and the first plate portion P3 of the intermediate plate F are stacked to form the evaporation portion 3. The second plate portion P4 of the first plate a, the second plate portion P4 of the second plate B, the second plate portion P4 of the top plate E, and the second plate portion P4 of the intermediate plate F are stacked to form the air-supplementing and enthalpy-increasing portion 8. The first plate A, the second plate B, the top plate E and the middle plate F all comprise first convex ribs T3, and the first convex ribs T3 are positioned between the evaporation part 3 and the air supplementing and enthalpy increasing part 8. The second plate portion P4 and the first plate portion P3 are connected by the first bead T3.

The heat exchange device 7 further comprises a liquid storage part 2, the liquid storage part 2 is provided with a liquid storage cavity 21, the liquid storage cavity 21 is used for storing a refrigerant, and the liquid storage part 2, the air supplementing enthalpy increasing part 8 and the evaporation part 3 are distributed along the length direction of the heat exchange device 7. The outlet of the reservoir 21 can be in communication with the inlet of the first flow path S7, and the outlet of the reservoir 21 can be in communication with the inlet of the second flow path S8.

The top plate E, the middle plate F, the plurality of first plates A and the plurality of second plates B are stacked to form a liquid storage part 2, the liquid storage part 2 and the air supplementing and enthalpy increasing part 8 are adjacently arranged, and an inlet 23 of the liquid storage part 2, an inlet of the first flow passage S7 and an inlet of the second flow passage S8 are positioned on the same side of the plurality of plates. The liquid storage cavity 21 is located between the top plate E and the middle plate F, and according to the design of the heat exchange device 7, the outlet of the liquid storage portion 2 may be located in the area corresponding to the hollow hole H8 or in the area corresponding to the hollow hole H8 of the top plate E. Specifically, the area of the top plate E corresponding to the hollowed-out hole H8 is a solid plate, the area of the middle plate F corresponding to the hollowed-out hole H8 is a solid plate, except for the outlet of the liquid storage part 2, the top plate E seals one side of the liquid storage cavity 21, and the middle plate F seals the other side of the liquid storage cavity 21. The top plate E and the middle plate F respectively comprise a third plate part P2, and the hollowed-out holes H8 of the first plate A, the hollowed-out holes H8 of the second plate B, the third plate part P2 of the top plate E and the third plate part P2 of the middle plate F are stacked to form a liquid storage part 2. The first plate A, the second plate B, the top plate E and the middle plate F all comprise second convex ribs T2, the second convex ribs T2 are positioned between the liquid storage part 2 and the air supplementing and enthalpy increasing part 8, and the third plate part P2 and the second plate part P4 are connected through the second convex ribs T2.

The heat device 7 further comprises a condensation part 1, the condensation part 1, a liquid storage part 2, an air supplementing and enthalpy increasing part 8 and an evaporation part 3 are arranged along the length direction of the heat exchange device 7, a top plate E, an intermediate plate F, a plurality of first plates A and a plurality of second plates B are stacked to form the condensation part 1, the condensation part 1 is provided with a fifth flow passage S1 and a sixth flow passage S2, the fifth flow passage S1 is mutually isolated from the sixth flow passage S2, an outlet of the fifth flow passage S1 is communicated with an inlet of the liquid storage cavity 21, and the sixth flow passage S2 is mutually isolated from the liquid storage cavity 21. The fifth flow path S1 and the liquid storage chamber 21 are both used for circulating a refrigerant, the sixth flow path S2 is used for circulating a coolant, and the refrigerant can exchange heat with the coolant in the condensation unit 1, and the coolant is heated by the refrigerant.

The fifth flow channel S1 includes a first channel 11 and a plurality of first inter-plate channels (not shown), and the sixth flow channel S2 includes a second channel 12, a third channel 13 and a plurality of second inter-plate channels (not shown), where the first channel 11 and the liquid storage chamber 21 are respectively communicated with two sides of the first inter-plate channels, the second channel 12 and the third channel 13 are respectively communicated with two sides of the second inter-plate channels, and the first inter-plate channels and the second inter-plate channels are isolated from each other.

The top plate E, the intermediate plate F, the first plate a, and the second plate B each include a fourth plate portion P1, and the fourth plate portion P1 of the first plate a, the fourth plate portion P1 of the second plate B, the fourth plate portion P1 of the top plate E, and the fourth plate portion P1 of the intermediate plate F are stacked to form the condensation portion 1. The first plate A, the second plate B, the top plate E and the middle plate F all comprise a third convex rib T1, and the third convex rib T1 is positioned between the condensing part 1 and the liquid storage part 2. The top plate E and the middle plate F are connected through a third convex rib T1 between a fourth plate part P1 and a third plate part P2, a hollowed hole H8 is positioned between the third convex rib T1 and a second convex rib T2, one side, away from the second convex rib T2, of the third convex rib T1 is connected with the fourth plate part P1, one side, away from the third convex rib T1, of the second convex rib T2 is connected with a second plate part P4, and the second plate part P4 is connected with a first plate part P3 through a first convex rib T3.

The heat exchange device 7 further comprises an intermediate heat exchange part 4, wherein the condensation part 1, the liquid storage part 2, the air supplementing and enthalpy increasing part 8 and the evaporation part 3 are arranged along the length direction of the heat exchange device 7, and the condensation part 1, the liquid storage part 2, the air supplementing and enthalpy increasing part 8 and the evaporation part 3 are positioned on the same side of the intermediate heat exchange part 4 in the thickness direction. Referring to fig. 1 to 4, the intermediate heat exchange portion 4 has a seventh flow passage S5 and an eighth flow passage S6, the seventh flow passage S5 and the eighth flow passage S6 being isolated from each other in the intermediate heat exchange portion 4, an outlet of the first flow passage S7 being capable of communicating with an inlet of the seventh flow passage S5, an outlet of the seventh flow passage S5 communicating with an inlet of the third flow passage S3, an outlet of the third flow passage S3 communicating with the eighth flow passage S6, an outlet of the eighth flow passage S6 communicating with an external space of the heat exchange apparatus 7. The seventh flow path S5 and the eighth flow path S6 are both configured to circulate the refrigerant, the refrigerant in the seventh flow path S5 and the refrigerant in the eighth flow path S6 are each configured to flow in the same circuit in different sections, and the refrigerant in the seventh flow path S5 can exchange heat with the refrigerant in the eighth flow path S6 in the intermediate heat exchange portion 4.

The seventh flow path S5 includes an eighth porthole 41, a ninth porthole 42 and a plurality of fifth plate interspaces (not shown), and the eighth flow path S6 includes a tenth porthole 43, an eleventh porthole 44 and a plurality of sixth plate interspaces (not shown), which are isolated from each other in the intermediate heat exchanging portion 4.

The plates of the heat exchange device 7 further comprise a plurality of third plates C, a plurality of fourth plates D and a bottom plate G. Along the stacking direction of the sheets, the third plates C are alternately stacked with the fourth plates D, the first plates a, the second plates B, and the top plate E are positioned at one side of the middle plate F, the third plates C, the fourth plates D, and the bottom plate G are positioned at the other side of the middle plate F, the first plates a, the second plates B, and the middle plate F are positioned at the same side of the top plate E, and the third plates C, the fourth plates D, and the middle plate F are positioned at the same side of the bottom plate G. The bottom plate G, the intermediate plate F, the plurality of third plates C and the plurality of fourth plates D are stacked to form the intermediate heat exchanging portion 4.

Optionally, in the stacking direction of the sheets, the top plate E, the intermediate plate F, the bottom plate G, the first plate a, the second plate B, the third plate C and the fourth plate D are coincident in projected outline.

Referring to fig. 5 to 10, each of the first plate a and the second plate B has a seventeenth port H1, an eighteenth port H2, a nineteenth port H3, a twentieth port H4, a fifth port H5, a sixth port H6, a seventh port H7, a hollowed-out hole H8, a twelfth port H10, a thirteenth port H11, a fourteenth port H12, and a fifteenth port H13, the seventeenth port H1 of the first plate a and the seventeenth port H1 of the second plate B are laminated to form a first porthole 11, the eighteenth port H2 of the first plate a and the eighteenth port H2 of the second plate B are laminated to form a second porthole 12, the nineteenth port H3 of the first plate a and the nineteenth port H3 of the second plate B are laminated to form a third port 13, the twenty-eighth port H4 of the first plate a and the twenty-eighth port H4 of the second plate B are laminated to form a fourth port 31, the fifth port H5 of the first plate a and the fifth port H5 of the second plate B are laminated to form a fifth port 32, the seventeenth port H7 of the thirteenth port H2 of the first plate a and the seventeenth port H2 of the thirteenth port B are laminated to form a thirteenth port 12, the seventeenth port H8 of the thirteenth port H8 and the thirteenth port H7 of the thirteenth port B are laminated to form a seventeenth port H12, the thirteenth port H8 and the thirteenth port H8 of the thirteenth port H7B and the thirteenth port H12 are laminated to form a and the thirteenth port 8H 12 are laminated to form a thirteenth port 7H 8. The first portholes 11, the second portholes 12, the third portholes 13, the fourth portholes 31, the fifth portholes 32, the sixth portholes 33, the seventh portholes 34, the twelfth portholes 81, the thirteenth portholes 82, the fourteenth portholes 83 and the fifteenth portholes 84 extend in the thickness direction of the heat exchanging device 7.

The front face of each first plate A is opposite to the back face of the adjacent second plate B, and the back face of the same first plate A is opposite to the front face of the other adjacent second plate B. The first, third and seventh inter-plate channels are located between the front face of the second plate B and the back face of the adjacent first plate a, and the second, fourth and eighth inter-plate channels are located between the back face of the second plate B and the front face of the other adjacent first plate a.

According to the different designs of the heat exchange equipment 7, if the plate adjacent to the top plate E is a first plate A, a second inter-plate channel, a fourth inter-plate channel and an eighth inter-plate channel are formed between the back surface of the top plate E and the front surface of the first plate A; if the sheet adjacent to the top plate E is the second plate B, a first inter-plate channel, a third inter-plate channel, and a seventh inter-plate channel are formed between the back surface of the top plate E and the front surface of the second plate B. The same reason is that depending on the design of the heat exchanger device 7, the plate adjacent to the intermediate plate F may be the first plate a or the second plate B.

In the present embodiment, the openings of the first cell 11, the second cell 12, the third cell 13, the sixth cell 33, the seventh cell 34, the twelfth cell 81, the fourteenth cell 83 and the fifteenth cell 84 on one side are blocked by the intermediate plate F, and the opening on the other side is provided in the top plate E for communication with the external space. The openings of the fourth cell 31, the fifth cell 32 and the thirteenth cell 82 on one side are blocked by the top plate E, and the openings on the other side are provided in the intermediate plate F. The outlet of the liquid storage portion 2 is provided on the top plate E, for example, the top plate E has a first orifice E1, the outlet of the liquid storage portion 2 is the first orifice E1, the first orifice E1 is provided on the top plate E, and the first orifice E1 communicates with the first opening 51. The top plate E also has a second orifice E2 and a third orifice E3. The second orifice E2 communicates with the twelfth orifice 81, and the third orifice E3 communicates with the fourteenth orifice 83. The external interfaces of the fourth channel 31, the fifth channel 32 and the thirteenth channel 82 are all disposed on the intermediate plate F, that is, on the same side of the heat exchange device 7, so that the communication path between the third channel S3 and the first channel S7 can be shortened, which is beneficial to miniaturization.

In the first plate a and the second plate B, seventeenth, eighteenth, and nineteenth apertures H1, H2, and H3 are provided in the fourth plate portion P1, and twentieth, fifth, sixth, and seventh apertures H4, H5, H6, and H7 are provided in the first plate portion P3. The twelfth orifice H10, thirteenth orifice H11, fourteenth orifice H12, and fifteenth orifice H13 are provided in the second plate portion P4. A first inter-plate channel is formed between the front face of the fourth plate portion P1 of the second plate B and the back face of the fourth plate portion P1 of the first plate a, and a second inter-plate channel is formed between the back face of the fourth plate portion P1 of the same second plate B and the front face of the fourth plate portion P1 of the other first plate a. A third inter-plate channel is formed between the front face of the first plate portion P3 of the second plate B and the back face of the first plate portion P3 of the first plate a, and a fourth inter-plate channel is formed between the back face of the first plate portion P3 of the same second plate B and the front face of the first plate portion P3 of the other first plate a. A seventh inter-plate channel is formed between the front face of the second plate portion P4 of the second plate B and the back face of the second plate portion P4 of the first plate a, and an eighth inter-plate channel is formed between the back face of the second plate portion P4 of the same second plate B and the front face of the second plate portion P4 of the other first plate a.

The front face of each third plate C is opposite to the back face of the adjacent fourth plate D, the back face of the same third plate C is opposite to the front face of the other adjacent fourth plate D, the fifth inter-plate channel is located between the front face of the fourth plate D and the back face of the adjacent third plate C, and the sixth inter-plate channel is located between the back face of the fourth plate D and the front face of the other adjacent third plate C. Depending on the design of the heat exchanger 7, the plate adjacent to the intermediate plate F may be the third plate C or the fourth plate D; the sheet adjacent to the bottom plate G may be the third plate C or the fourth plate D.

The third plate C and the fourth plate D each include eighth portholes K1, ninth portholes K2, tenth portholes K3, and eleventh portholes K4, the eighth portholes K1 of the third plate C and the eighth portholes K1 of the fourth plate D being stacked to form eighth portholes 41, the ninth portholes K2 of the third plate C and the ninth portholes K2 of the fourth plate D being stacked to form ninth portholes 42, the tenth portholes K3 of the third plate C and the tenth portholes K3 of the fourth plate D being stacked to form tenth portholes 43, the eleventh portholes K4 of the third plate C and the eleventh portholes K4 of the fourth plate D being stacked to form eleventh portholes 44. The eighth portholes 41, the ninth portholes 42, the tenth portholes 43, the eleventh portholes 44 extend in the thickness direction of the heat exchanging device 7.

In the present embodiment, one side openings of the eighth cell channels 41 and the tenth cell channels 43 are blocked by the bottom plate G, and the other side openings are blocked by the top plate E. The opening on one side of the ninth duct 42 is blocked by the intermediate plate F, and the opening on the other side is provided in the bottom plate G. The eleventh duct 44 has one opening closed by the bottom plate G and the other opening provided in the top plate E. The liquid storage part 2 and the evaporation part 3 are positioned on one side of the intermediate plate F, and the intermediate heat exchange part 4 is positioned on the other side of the intermediate plate F, so that the communication path between the seventh flow channel S5 and the first flow channel S7, and the communication path between the eighth flow channel S6 and the third flow channel S3 can be shortened, which is beneficial to miniaturization.

In the present embodiment, communication of the seventh flow passage S5 with the first flow passage S7 and communication of the eighth flow passage S6 with the third flow passage S3 are achieved by the intermediate plate F. Specifically, the intermediate plate F has seventh through-holes F1, eighth through-holes F2, third through-holes F3, and fourth through-holes F4, and the seventh through-holes F1, eighth through-holes F2, third through-holes F3, and fourth through-holes F4 penetrate the intermediate plate F in the thickness direction of the intermediate plate F, respectively. The eighth orifice K1 of the third plate C, the eighth orifice K1 of the fourth plate D, and the seventh through-hole F1 are provided correspondingly in the thickness direction of the heat exchange device 7, and the seventh through-hole F1 communicates with the eighth porthole 41 and the thirteenth porthole 82. The sixteenth port H14 of the first plate a, the sixteenth port H14 of the second plate B, and the eighth through hole F2 are provided correspondingly in the thickness direction of the heat exchange device 7, and the eighth through hole F2 communicates the sixteenth porthole 85 with the seventh flow passage S5 of the intermediate heat exchange portion 4. The tenth orifice K3 of the third plate C, the tenth orifice K3 of the fourth plate D, the fifth orifice H5 of the first plate a, the fifth orifice H5 of the second plate B, and the third through-hole F3 are provided correspondingly in the thickness direction of the heat exchange device 7, and the third through-hole F3 communicates the tenth porthole 43 and the fifth porthole 32. The eleventh orifice K4 of the third plate C, the eleventh orifice K4 of the fourth plate D, the second communication orifice H9 of the first plate a, the second communication orifice H9 of the second plate B, and the fourth through-hole F4 are provided in correspondence in the thickness direction of the heat exchange device 7, and the fourth through-hole F4 communicates with the eleventh porthole 44 and the second communication porthole 22. The middle plate F is used for forming the condensation part 1, the liquid storage part 2, the air supplementing enthalpy increasing part 8 and the evaporation part 3, is also used for forming the middle heat exchange part 4, can also realize the communication of two spaces, reduces the number of parts as much as possible, simplifies the structure, has compact structure of the heat exchange equipment 7, and is beneficial to miniaturization.

The bottom plate G, the third plate C and the fourth plate D each include a fifth plate portion P5, and the fifth plate portion P5 of the third plate C, the fifth plate portion P5 of the fourth plate D, the fifth plate portion P5 of the bottom plate G and the intermediate plate F are stacked to form the intermediate heat exchanging portion 4.

The eighth orifice K1, the ninth orifice K2, the tenth orifice K3, and the eleventh orifice K4 are provided in the fifth plate portion P5, a fifth inter-plate passage is formed between the front surface of the fifth plate portion P5 of the fourth plate D and the reverse surface of the fifth plate portion P5 of the third plate C, and a sixth inter-plate passage is formed between the reverse surface of the fifth plate portion P5 of the same fourth plate D and the front surface of the fifth plate portion P5 of the other third plate C.

In some embodiments, referring to fig. 1 to 10, the heat exchange device 7 includes a diverting portion 5, the diverting portion 5 having a diverting function, the diverting portion 5 for achieving diverting of the refrigerant. The flow dividing part 5 is in sealing connection with the top plate E, and the flow dividing part 5 is positioned on one side of the top plate E away from other plates. The shunt 5 may be a shunt valve.

The flow dividing portion 5 has a first opening 51, a second opening 52, and a third opening 53, the first opening 51, the second opening 52, and the third opening 53 being in communication with the inner cavity of the flow dividing portion 5, respectively, the first opening 51 being an inlet of the flow dividing portion 5, and the second opening 52 and the third opening 53 being outlets of the flow dividing portion 5. The outlet of the reservoir 21 can be in communication with the first opening 51, the inlet of the first flow path S7 is in communication with the second opening 52, and the inlet of the second flow path S8 is in communication with the third opening 53. Specifically, the first opening 51 communicates with the liquid storage chamber 21 and the inner chamber of the flow dividing portion 5, the second opening 52 communicates with the twelfth duct 81 and the inner chamber of the flow dividing portion 5, and the third opening 53 communicates with the fourteenth duct 83 and the inner chamber of the flow dividing portion 5. The first opening 51 and the second opening 52 are located on the same side of the flow dividing portion 5, the third opening 53 is located on a side of the flow dividing portion 5 adjacent to the side where the first opening 51 is located, and the flow dividing portion 5 is connected with the top plate E in a sealing manner.

The flow dividing part 5 further has a sixth opening 54, the sixth opening 54 is communicated with the inner cavity of the flow dividing part 5, the flow dividing part 5 controls the on-off of the sixth opening 54, and the inlet of the seventh flow passage S5 is communicated with the sixth opening 54. The air-supplementing and enthalpy-increasing portion 8 further has a sixteenth porthole 85, each of the first plate a and the second plate B includes a sixteenth porthole H14, the sixteenth porthole H14 of the first plate a and the sixteenth porthole H14 of the second plate B are laminated to form the sixteenth porthole 85, and the sixth opening 54 communicates with the sixteenth porthole 85 and the inner chamber of the flow dividing portion 5. The sixteenth duct 85 communicates with the seventh flow passage S5 of the intermediate heat exchanging portion 4. The top plate E also has a fourth orifice E4, the fourth orifice E4 being in communication with the sixteenth duct 85. The sixth opening 54 is located on the same side of the shunt portion 5 as the first opening 51.

In this embodiment, the liquid storage part 2 and the air-supplementing enthalpy-increasing part 8 can be communicated through the flow dividing part 5, so that the communication path is shortened, and the miniaturization is facilitated.

The heat exchange apparatus further includes a first throttling part 14, the first throttling part 14 having a fourth opening 141 and a fifth opening 142, the fourth opening 141 and the fifth opening 142 being respectively communicated with the inner cavity of the first throttling part 14, the first throttling part 14 having a throttling capability. The third opening 53 communicates with the fourth opening 141, and the inlet of the second flow path S8 communicates with the fifth opening 142. The intermediate heat exchange portion 4 has first communication passages 45, the first communication passages 45 extending in the thickness direction of the heat exchange device 7, the first communication passages 45 penetrating through both sides of the intermediate heat exchange portion 4 in the thickness direction, the first communication passages 45 being formed with openings in both the intermediate plate F and the bottom plate G. The first communication duct 45, the seventh flow passage S5, and the eighth flow passage S6 are isolated from each other in the intermediate heat exchange portion 4, and the first communication duct 45 communicates with the fifth opening 142 and the inlet of the third flow passage S3. The first throttling part 14 is connected with the top plate E in a sealing way, and the first throttling part 14 is connected with the flow dividing part 5 in a sealing way. The first restriction 14 may be a throttle valve or an expansion valve, such as an electronic expansion valve.

The heat exchange device 7 further comprises a second throttling part 15, the second throttling part is provided with a seventh opening 151 and an eighth opening 152, the seventh opening 151 and the eighth opening 152 are respectively communicated with the inner cavity of the second throttling part 15, and the second throttling part 15 is provided with throttling capability; the outlet of the seventh flow channel S5 communicates with the seventh opening 151, and the inlet of the third flow channel S3 communicates with the eighth opening 152. The second throttling part 15 is in sealing connection with the bottom plate G, and the second throttling part 15 may be a throttle valve or an expansion valve, such as an electronic expansion valve.

The third plate C and the fourth plate D each include a first communication hole K5, and the first communication hole K5 of the third plate C and the first communication hole K5 of the fourth plate D are laminated to form a first communication channel 45. The intermediate plate F has a fifth through hole F5, and the fifth through hole F5 penetrates the intermediate plate F in the thickness direction of the intermediate plate F. The bottom plate G has a first through hole G1 and a second through hole G2, and the first through hole G1 and the second through hole G2 penetrate the bottom plate G in the thickness direction of the bottom plate G, respectively.

The ninth orifice K2 of the third plate C, the ninth orifice K2 of the fourth plate D, the first through-hole G1, and the seventh opening 151 are provided correspondingly in the thickness direction of the heat exchange device 7, and the first through-hole G1 communicates the ninth porthole 42 and the seventh opening 151. The first communication hole K5 of the third plate C, the first communication hole K5 of the fourth plate D, the twentieth hole H4 of the first plate a, the twentieth hole H4 of the second plate B, the fifth through hole F5, the second through hole G2, and the eighth opening 152 are provided correspondingly in the thickness direction of the heat exchange device 7, the fifth through hole F5 communicates with the first communication passage 45 and the fourth passage 31, and the fifth through hole F5 communicates with the first communication passage 45 and the eighth opening 152. In order to facilitate the installation of the heat exchange device 7 and the connection of the heat exchange device 7 and other components, the side of the heat exchange device 7, which is close to the bottom plate G, has no opening of a pore canal, and all external interfaces of the heat exchange device 7 are arranged on the top plate E. The external pipeline that is connected with heat transfer equipment 7 all is located the one side that is close to roof E, and bottom plate G one side is convenient for realize the installation of heat transfer equipment 7.

In order to continue the outlet of the eighth flow passage S6 to the top plate E, the liquid storage portion 2 has second communication channels 22, the second communication channels 22 extending in the thickness direction of the heat exchange device 7, the second communication channels 22 penetrating both sides of the liquid storage portion 2 in the thickness direction, the second communication channels 22 being formed with openings in both the intermediate plate F and the top plate E. The second communication duct 22 and the reservoir chamber 21 are isolated from each other in the reservoir portion 2, and the second communication duct 22 communicates with the eleventh duct 44.

The first plate a and the second plate B each include a second communication port H9, and the second communication port H9 of the first plate a and the second communication port H9 of the second plate B are laminated to form a second communication duct 22. The intermediate plate F has a fourth through hole F4, and the fourth through hole F4 penetrates the intermediate plate F in the thickness direction of the intermediate plate F. The eleventh orifice K4 of the third plate C, the eleventh orifice K4 of the fourth plate D, the second communication orifice H9 of the first plate a, the second communication orifice H9 of the second plate B, and the fourth through-hole F4 are provided in correspondence in the thickness direction of the heat exchange device 7, and the fourth through-hole F4 communicates the second communication porthole 22 and the eleventh porthole 44.

The heat exchange equipment 7 comprises seven kinds of plates, seven kinds of plates are punched according to design requirements, then the plates are stacked according to preset rules, and the heat exchange equipment 7 can be prepared through a one-time welding process, so that the production efficiency is high, and the production cost is low.

In the present embodiment, the fourth plate portion P1, the first plate portion P3, and the fifth plate portion P5 are flat plates except for portions where the apertures are provided. Optionally, in the stamping step, structures such as protruding points, herringbone waves and the like can be formed on the plate, or protruding ribs of the U-shaped flow can be stamped, so that the heat exchange effect is enhanced.

In accordance with one embodiment of the thermal management system of the present application, referring to fig. 1 to 2, the thermal management system is mainly used to generally manage the cooling capacity and the heat so as to satisfy the cooling capacity and the heat demand in the whole vehicle range, such as the cooling/heating demand of the cabin space, the cooling demand of the motor, the heating/cooling demand of the battery, and the like. Wherein a part of the cold/heat is supplied by means such as running a refrigerant circulation circuit, starting a heater, the cooling liquid itself carrying the cold, and the like, and a part of the heat is obtained by means such as recovering the other part of the cold/heat. Wherein a part of the components of the thermal management system are integrated to form the heat exchange device 7.

The components of the thermal management system are connected through pipelines to form two large systems, namely a refrigerant system and a cooling liquid system, which are isolated from each other and are not communicated with each other. The refrigerant system is communicated with a refrigerant, the cooling liquid system is communicated with a cooling liquid, the refrigerant can be R134A or carbon dioxide or other heat exchange media, and the cooling liquid can be a mixed solution of ethanol and water or other cooling media.

In the present application, the heat management system includes the compressor 6 and the heat exchange device 7 of any of the above embodiments, and the structure of the heat exchange device 7 may be adjusted according to actual needs, and for convenience of description, this embodiment will be described by taking the heat exchange device 7 including the split portion 5, the first throttling portion 14, and the second throttling portion 15 as an example.

The condensing part 1 and the evaporating part 3 are respectively used for realizing the heat exchange of the refrigerant and the cooling liquid, and the intermediate heat exchange part 4 is used for realizing the heat exchange of two refrigerants in the same loop. The air supplementing and enthalpy increasing part 8 is used for realizing heat exchange of two refrigerants in the same loop. The first flow path S7, the second flow path S8, the fifth flow path S1, the third flow path S3, the seventh flow path S5, and the eighth flow path S6 are connected to a refrigerant system, and the sixth flow path S2 and the fourth flow path S4 are connected to a coolant system. The outlet of the compressor 6 is communicated with the first pore canal 11 of the heat exchange device 7, the inlet of the compressor 6 is communicated with the second communicating pore canal 22 of the heat exchange device 7, and the air supplementing enthalpy increasing inlet of the compressor 6 is communicated with the fifteenth pore canal 84 of the heat exchange device 7. The heat management system of the application is a full loop system, and the flow path of the refrigerant is divided into two cases according to whether the air supplementing and enthalpy increasing functions are started or not.

As shown in fig. 1, when the air-supplementing enthalpy-increasing function of the heat exchange device 7 is turned on, the flow path of the refrigerant is as follows: the refrigerant flows out from the outlet of the compressor 6, is divided into two paths by the fifth flow channel S1 of the condensing part 1, the liquid storage cavity 21 of the liquid storage part 2, the first opening 51 of the flow dividing part 5 and the inner cavity of the flow dividing part 5, and flows out from the second opening 52 of the flow dividing part 5, and enters the inlet of the compressor 6 by the first flow channel S7 of the air supplementing enthalpy increasing part 8, the seventh flow channel S5 of the intermediate heat exchanging part 4, the seventh opening 151 of the second throttling part 15, the inner cavity of the second throttling part 15, the eighth opening 152 of the second throttling part 15, the third flow channel S3 of the evaporating part 3 and the eighth flow channel S6 of the intermediate heat exchanging part 4; the other path flows out from the third opening 53 of the split flow part 5, passes through the fourth opening 141 of the first throttling part 14, the inner cavity of the first throttling part 14, the fifth opening 142 of the first throttling part 14, the second flow passage S8 of the air-supplementing enthalpy-increasing part 8, and enters the air-supplementing enthalpy-increasing inlet of the compressor 6.

As shown in fig. 2, when the air-supplementing enthalpy-increasing function of the heat exchange device 7 is turned off, the flow path of the refrigerant is as follows: flows out from the outlet of the compressor 6, and enters the inlet of the compressor 6 through the fifth flow passage S1 of the condensing unit 1, the liquid storage chamber 21 of the liquid storage unit 2, the first opening 51 of the split unit 5, the inner cavity of the split unit 5, the sixth opening 54 of the split unit 5, the seventh flow passage S5 of the intermediate heat exchange unit 4, the seventh opening 151 of the second throttle unit 15, the inner cavity of the second throttle unit 15, the eighth opening 152 of the second throttle unit 15, the third flow passage S3 of the evaporating unit 3, and the eighth flow passage S6 of the intermediate heat exchange unit 4.

Referring to fig. 1 to 18, when the thermal management system is in an operating state and the air make-up enthalpy function of the heat exchange device 7 is on, the flow path of the refrigerant in the heat exchange device 7 is as follows: the refrigerant flows into the heat exchange device 7 from the first pore canal 11, and flows to the liquid storage cavity 21 along a plurality of first inter-plate channels; after flowing through the liquid storage cavity 21, the refrigerant enters the inner cavity of the flow dividing part 5 from the first orifice E1 and the first opening 51 of the flow dividing part 5, and then the flow path of the refrigerant is divided into two paths, one path flows out from the second opening 52 of the flow dividing part 5, enters the twelfth duct 81 from the second orifice E2, flows to the thirteenth duct 82 along the seventh inter-plate channels, enters the eighth duct 41 from the seventh through hole F1, and flows to the ninth duct 42 along the fifth inter-plate channels; then sequentially flows through the first through hole G1 and the seventh opening 151 and enters the inner cavity of the second throttling part 15, and throttling is realized through the second throttling part 15; the throttled refrigerant sequentially flows through the eighth opening 152, the second through hole G2, the first through hole 45, and the fifth through hole F5, and then enters the fourth through hole 31, and flows along the plurality of third inter-plate channels to the fifth through hole 32; then from the third through-hole F3 into the tenth porthole 43, along the plurality of sixth inter-plate channels to the eleventh porthole 44; then enters the second communicating duct 22 from the fourth through hole F4 and finally flows out of the heat exchange device 7; the other path flows out from the third opening 53 of the flow dividing part 5, flows into the inner cavity of the first throttling part 14 through the fourth opening 141 of the first throttling part 14, is throttled by the first throttling part 14, then enters the fourteenth duct 83 from the fifth opening 142 and the third orifice E3 of the first throttling part 14, flows into the fifteenth duct 84 along a plurality of eighth inter-plate channels, and finally flows out of the heat exchanging device 7.

Referring to fig. 2 to 18, when the thermal management system is in an operating state and the air make-up enthalpy function of the heat exchange device 7 is off, the flow path of the refrigerant in the heat exchange device 7 is as follows: the refrigerant flows into the heat exchange device 7 from the first pore canal 11, and flows to the liquid storage cavity 21 along a plurality of first inter-plate channels; after flowing through the liquid storage cavity 21, the liquid enters the inner cavity of the flow dividing part 5 from the first orifice E1 and the first opening 51 of the flow dividing part 5, flows out from the sixth opening 54 of the flow dividing part 5, enters the sixteenth duct 85 and the eighth duct 41 from the fourth orifice E4, and flows to the ninth duct 42 along a plurality of fifth inter-plate channels; then sequentially flows through the first through hole G1 and the seventh opening 151 and enters the inner cavity of the second throttling part 15, and throttling is realized through the second throttling part 15; the throttled refrigerant sequentially flows through the eighth opening 152, the second through hole G2, the first through hole 45, and the fifth through hole F5, and then enters the fourth through hole 31, and flows along the plurality of third inter-plate channels to the fifth through hole 32; then from the third through-hole F3 into the tenth porthole 43, along the plurality of sixth inter-plate channels to the eleventh porthole 44; then enters the second communicating duct 22 from the fourth through hole F4 and finally flows out of the heat exchanging device 7.

The condensing portion 1 serves as a water-cooled condenser for heating the cooling liquid. The evaporation portion 3 functions as a water-cooled evaporator for reducing the temperature of the cooling liquid. The intermediate heat exchange portion 4 serves as an intermediate heat exchanger for effecting heat exchange of the higher temperature refrigerant and the lower temperature refrigerant. The liquid storage portion 2 serves as a liquid reservoir that can store a refrigerant. The cooling liquid system can be designed according to the requirements, and the application is not limited.

The heat management system is a full-loop system, can reduce the filling amount of the refrigerant, has lower leakage rate, and is more beneficial to the integration of the refrigerant system. The heat exchange device 7 with higher integration level is used, so that the occupied space of the thermal management system is smaller.

The two components in the application can be directly connected or connected through a pipeline, and only a pipeline can be arranged between the two components, or a valve device or other components besides the pipeline can be arranged between the two components. Similarly, in the application, the two components can be directly communicated, or can be communicated through a pipeline, and the two components can be communicated through a pipeline only, or can be communicated after being further provided with a valve device or other components.

The present application is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present application can be made by those skilled in the art without departing from the scope of the present application.

Claims (10)

1. A heat exchange apparatus, comprising: a plurality of plates stacked to form an air-supplementing enthalpy-increasing part (8) and an evaporating part (3);

The air supplementing and enthalpy increasing part (8) is provided with a first flow passage (S7) and a second flow passage (S8), the evaporation part (3) is provided with a third flow passage (S3) and a fourth flow passage (S4) which are mutually isolated, and an outlet (H11) of the first flow passage (S7) can be communicated with an inlet (G2) of the third flow passage (S3).

2. Heat exchange device according to claim 1, wherein the plurality of plates comprises a plurality of first plates (a) and a plurality of second plates (B), which are alternately stacked in the thickness direction of the heat exchange device, the first plates (a) and the second plates (B) each comprising a first plate portion (P3) and a second plate portion (P4), the first plate portions (P3) of the at least partial plates being stacked to form the evaporation portion (3), the second plate portions (P4) of the at least partial plates being stacked to form the air-supplementing enthalpy-increasing portion (8).

3. Heat exchange device according to claim 2, wherein the plurality of plates further comprises a top plate (E) and an intermediate plate (F), the plurality of first plates (a) and the plurality of second plates (B) being located between the top plate (E) and the intermediate plate (F), the first plates (a), the second plates (B), the top plate (E) and the intermediate plate (F) each comprising a first bead (T3), the first beads (T3) being located between the evaporation portion (3) and the air-make-up enthalpy-increasing portion (8).

4. A heat exchange device according to claim 3, wherein the plurality of plates are further stacked to form a reservoir (2), the reservoir (2) having a reservoir chamber (21), an outlet (E1) of the reservoir chamber (21) being communicable with an inlet (E2) of the first flow channel (S7), an outlet (E1) of the reservoir chamber (21) being communicable with an inlet (E3) of the second flow channel (S8);

Roof (E) with intermediate lamella (F) all include third plate portion (P2), first board (A) with second board (B) all have fretwork hole (H8), fretwork hole (H8) are followed heat transfer equipment's thickness direction runs through the slab, first board (A) fretwork hole (H8) second board (B) fretwork hole (H8) third plate portion (P2) of roof (E) with intermediate lamella (F) third plate portion (P2) stacks up and forms stock solution portion (2), first board (A) second board (B) roof (E) with intermediate lamella (F) all include second protruding muscle (T2), second protruding muscle (T2) are located stock solution portion (2) with air supplementing enthalpy increases between portion (8).

5. Heat exchange device according to claim 4, wherein the plurality of plates are further stacked to form a condensation section (1), the condensation section (1) having a fifth flow passage (S1) and a sixth flow passage (S2) isolated from each other, the outlet (23) of the fifth flow passage (S1) being in communication with the inlet (23) of the liquid storage chamber (21);

Roof (E) intermediate plate (F) first board (A) with second board (B) all include fourth board portion (P1), first board (A) fourth board portion (P1) second board (B) fourth board portion (P1) intermediate plate (F) fourth board portion (P1) stack formation condensation part (1), first board (A) second board (B) roof (E) and intermediate plate (F) all include third protruding muscle (T1), third protruding muscle (T1) is located between condensation part (1) and stock solution portion (2).

6. Heat exchange device according to claim 5, further comprising a diverter (5), the diverter (5) having a first opening (51), a second opening (52) and a third opening (53), the first opening (51), the second opening (52) and the third opening (53) being in communication with the inner cavity of the diverter (5), respectively, the diverter (5) controlling the on-off of the first opening (51), the second opening (52) and the third opening (53), the inlet (E3) of the second flow channel (S8) being in communication with the third opening (53);

The flow dividing part (5) is in sealing connection with the top plate (E), the top plate (E) is provided with a first orifice (E1) and a second orifice (E2), the first orifice (51) is communicated with the first orifice (E1), the first orifice (E1) is communicated with an outlet (E1) of the liquid storage cavity (21), the second orifice (52) is communicated with the second orifice (E2), and the second orifice (E2) is communicated with an inlet (E2) of the first flow channel (S7).

7. The heat exchange device according to claim 6, further comprising a first throttle portion (14), the first throttle portion (14) having a fourth opening (141) and a fifth opening (142), the fourth opening (141) and the fifth opening (142) being in communication with the inner cavity of the first throttle portion (14), respectively, the third opening (53) being in communication with the fourth opening (141);

the first throttling part (14) is in sealing connection with the top plate (E), the first throttling part (14) is in sealing connection with the flow dividing part (5), the top plate (E) is further provided with a third orifice (E3), the fifth opening (142) is communicated with the third orifice (E3), and the third orifice (E3) is communicated with an inlet (E3) of the second flow channel (S8).

8. Heat exchange device according to claim 6 or 7, wherein the plurality of plates are further stacked to form an intermediate heat exchange portion (4), the condensation portion (1), the liquid storage portion (2) and the air-supplementing enthalpy-increasing portion (8) being located on the same side in the thickness direction of the intermediate heat exchange portion (4); the intermediate heat exchange part (4) is provided with a seventh flow passage (S5) and an eighth flow passage (S6) which are isolated from each other, and an outlet (H11) of the first flow passage (S7) is communicated with an inlet (F1) of the seventh flow passage (S5);

the plurality of plates further comprises a plurality of third plates (C), a plurality of fourth plates (D) and a bottom plate (G); in the thickness direction of the heat exchange apparatus, the third plates (C) and the fourth plates (D) are alternately stacked, the top plate (E), the first plates (a) and the second plates (B) are located at one side of the intermediate plate (F), the bottom plate (G), the third plates (C) and the fourth plates (D) are located at the other side of the intermediate plate (F), the first plates (a), the second plates (B) and the intermediate plate (F) are located at the same side of the top plate (E), and the intermediate plate (F), the third plates (C) and the fourth plates (D) are located at the same side of the bottom plate (G);

the bottom plate (G), the third plate (C) and the fourth plate (D) each include a fifth plate portion (P5), the fifth plate portion (P5) of the third plate (C), the fifth plate portion (P5) of the fourth plate (D), the fifth plate portion (P5) of the bottom plate (G) and the intermediate plate (F) being stacked to form the intermediate heat exchange portion (4);

The flow dividing part (5) is further provided with a sixth opening (54), the sixth opening (54) is communicated with the inner cavity of the flow dividing part (5), and the flow dividing part (5) controls the on-off of the sixth opening (54);

The top plate (E) also has a fourth orifice (E4), the sixth opening (54) being in communication with the fourth orifice (E4), the fourth orifice (E4) being in communication with the inlet of the seventh flow channel (S5).

9. The heat exchange device according to claim 8, further comprising a second throttling portion (15) having a seventh opening (151) and an eighth opening (152), the seventh opening (151) and the eighth opening (152) being in communication with the inner cavity of the second throttling portion (15), respectively;

The second throttling part (15) is in sealing connection with the bottom plate (G), the bottom plate (G) is provided with a first through hole (G1) and a second through hole (G2), the seventh opening (151) is communicated with the first through hole (G1), the first through hole (G1) is communicated with an outlet (G1) of the seventh flow channel (S5), the eighth opening (152) is communicated with the second through hole (G2), and the second through hole (G2) is communicated with an inlet (G2) of the third flow channel (S3).

10. A thermal management system, characterized in that it comprises a compressor (6) and a heat exchange device (7) according to any one of claims 1 to 9, said compressor (6) having a make-up enthalpy inlet in communication with an outlet (H13) of said second flow channel (S8) when the thermal management system is in an operating condition.