CN116086058A - Fluid management assembly and thermal management system - Google Patents

Abstract

The application discloses a fluid management assembly and a thermal management system, wherein the fluid management assembly comprises a first cylinder, a second cylinder, a flow guide pipe, a heat exchange assembly, a first sealing head and a second sealing head; at least part of the first cylinder is positioned at the inner side of the second cylinder, the fluid management component is provided with a first cavity and a second cavity which are communicated, part of the first cavity is positioned between the first cylinder and the second cylinder along the radial direction of the first cylinder, at least part of the second cavity is positioned in the first cylinder, the heat exchange component is positioned in the first cavity, and the flow guide pipe is positioned in the second cavity; the first seal head is provided with a third cavity, the third cavity is communicated with the first cavity, the flow guide pipe is fixedly arranged with the first seal head, the flow guide pipe is provided with a first port and a second port, the first port of the flow guide pipe is communicated with the third cavity, the second port of the flow guide pipe is communicated with the second cavity, and the second port of the flow guide pipe is closer to the second seal head than the first port of the first flow guide pipe along the axial direction of the first cylinder. The fluid management assembly realizes heat exchange and optimizes the installation space of the system.

Description

Fluid management assembly and thermal management system

Technical Field

The application relates to the technical field of air conditioners, in particular to a fluid management assembly and a thermal management system.

Background

In an air conditioning system, the temperature of fluid flowing out of a liquid storage device is too low, the fluid with too low temperature flows into a compressor to cause the compressor to generate liquid impact, and in order to avoid the compressor from generating liquid impact, in the prior art, an intermediate heat exchanger is used for exchanging heat between high-temperature fluid coming out of a condenser and low-temperature fluid coming out of an evaporator, so that the temperature of the fluid entering the compressor can be increased, and the superheat degree is improved. However, the heat exchange assembly and the liquid storage device occupy larger installation space for the heat exchange system, which is not beneficial to space optimization.

Disclosure of Invention

In order to solve the above technical problems, an object of the present invention is to provide a fluid management assembly and a thermal management system that optimize a system installation space.

In accordance with the present invention,

a fluid management assembly, comprising: the device comprises a first cylinder, a second cylinder, a flow guide pipe, a heat exchange assembly, a first seal head and a second seal head;

at least part of the first cylinder is positioned on the inner side of the second cylinder, the fluid management assembly is provided with a first cavity and a second cavity, part of the first cavity is positioned between the first cylinder and the second cylinder along the radial direction of the first cylinder, at least part of the second cavity is positioned in the first cylinder, the heat exchange assembly is positioned in the first cavity, and the flow guide pipe is positioned in the second cavity;

the first sealing head is fixedly arranged at one end of the second cylinder and one end of the first cylinder, the second sealing head is fixedly arranged at the other end of the second cylinder, and the second sealing head is positioned below the first sealing head along the central axis direction of the fluid management assembly; the first seal head is provided with a third cavity, the flow guide pipe is fixedly arranged with the first seal head, the flow guide pipe is provided with a first port and a second port, the first port of the flow guide pipe is communicated with the third cavity, the second port of the flow guide pipe is communicated with the second cavity, and the second port of the flow guide pipe is closer to the second seal head than the first port of the first flow guide pipe along the axial direction of the first cylinder.

The heat management system further comprises a fluid management component, an evaporator, a compressor, a condenser and a throttling device, wherein the heat exchange component is connected between the evaporator and the compressor, the fluid management component is connected between the condenser and the throttling device, an outlet of the condenser is connected with a third through hole of a first sealing head of the fluid management component, an outlet of the evaporator is connected with a fifth through hole of the first sealing head of the fluid management component, an inlet of the compressor is connected with a fourth through hole of a second sealing head of the fluid management component, and an inlet of the throttling device is connected with a sixth through hole of the second diversion part.

The application provides a fluid management subassembly and use this fluid pipe subassembly's thermal management system, this fluid management subassembly have first chamber and second chamber, follow the radial of first barrel, part first chamber is located between first barrel and the second barrel, at least part in the second chamber is located in the first barrel, the heat exchange component is located first chamber, the honeycomb duct is located the second chamber, the honeycomb duct has first port and second port, honeycomb duct first port with third chamber intercommunication, honeycomb duct second port with second chamber intercommunication, follow the axial of first barrel, honeycomb duct second port is than first honeycomb duct first port is close to the second head, like this can be with heat exchange component integration between first barrel and second barrel, can realize fluid heat transfer, improves the degree of superheat of fluid, enables fluid management subassembly miniaturization again, optimizes fluid management subassembly and thermal management system's installation space.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of a fluid management assembly of the present application;

FIG. 2 is an exploded perspective view of the fluid management assembly of FIG. 1;

FIG. 3 is an exploded isometric view of a first head of the fluid management assembly of FIG. 1;

FIG. 4 is an exploded isometric view of a second head of the fluid management assembly of FIG. 1;

FIG. 5 is a bottom view of the fluid management assembly of FIG. 1;

FIG. 6 is a schematic cross-sectional view of the fluid management assembly of FIG. 5 in the E-E direction;

FIG. 7 is another bottom view of the fluid management assembly of FIG. 1;

FIG. 8 is a schematic cross-sectional view of the fluid management assembly of FIG. 7 in the B-B direction;

FIG. 9 is a front view of the fluid management assembly of FIG. 1;

FIG. 10 is a schematic cross-sectional view of the fluid management assembly of FIG. 9 taken in the direction A-A;

FIG. 11 is a schematic perspective view of the heat exchange assembly of FIG. 6;

FIG. 12 is a schematic view of an exploded perspective view of the heat exchange assembly of FIG. 11;

FIG. 13 is a schematic top view of the heat exchange assembly of FIG. 12;

FIG. 14 is a schematic cross-sectional perspective view of an embodiment of a fluid management assembly of the present application;

FIG. 15 is a schematic cross-sectional perspective view of yet another embodiment of a fluid management assembly of the present application;

FIG. 16 is a schematic diagram of a connection of an embodiment of a thermal management system of the present application;

the direction indicated by the arrow in the figure is the direction of fluid flow. Wherein: 100. a fluid management assembly; 200. a first evaporator; 200', a first evaporator; 300. a compressor; 400. a first condenser; 400', a second condenser; 500. a throttle device;

10. a first chamber; 20. a second chamber; 30. a third chamber;

1. a first cylinder; 11. a cylinder body; 12. a bottom cover; 13. a fixing member; 14. an abutment; 111. first concave part

2. A second cylinder;

3. a first end socket; 31. a first component; 311. a first end face; 312. a second end face; 313. a first step surface; 314. a first sidewall surface; 315. a second sidewall surface; 316. a first avoidance unit; 32. a second component; 321. a third end face; 322. a fourth end face; 323. a third sidewall surface; 324. a fourth sidewall surface; 325. a limiting member; 33' a first through hole portion; 33. a first through hole; 331. a first extension; 34' a second through hole portion; 34. a second through hole; 341. a connecting pipe; 35' a third through hole portion; 35 a third through hole; 36' a fifth through hole portion; 36. a fifth through hole;

4. a second end socket; 41. a third component; 411. a fifth end face; 42. a second filter member; 421. a first flange portion; 422. a second flange portion; 423. reinforcing ribs; 424. a filter screen; 425 a second relief; 43' fourth through hole portion; 43. a fourth through hole; 44' a sixth through hole portion; 44. a sixth through hole;

5. a flow guiding pipe; 51. a first screen mounting portion; 52. a second screen mounting portion;

6. a heat exchange assembly; 61. a first header; 62. a second header; 63. a heat exchange tube; 64. a first heat exchange member; 641. a first flow guiding structure; 65. a second heat exchange member; 651. a second flow guiding structure;

7. a first filter member; 71. a fixing device; 711 first screen mount; 712. a first filter screen; 713. a first screen rib; 72. a filtering device; 721. a draft tube mounting part; 722. a fixing device mounting part; 723. a second screen support; 724. a second filter screen; 725. a second filter screen rib; 73. a first connector; 74. a blocking net; 741. a first barrier net; 742. a second barrier net; 75. drying the bag;

8. a flow guide; 81. a first mating surface; 82 a second mating surface; 83. a third mating surface; 84. convex ribs.

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 are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.

The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present 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 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 fluid management assembly of the exemplary embodiments of the present application is described in detail below with reference to the accompanying drawings. The features of the examples and embodiments described below may be complementary to each other or combined with each other without conflict.

FIG. 1 is a schematic perspective assembly view of a fluid management assembly according to an exemplary embodiment of the present application. The fluid management assembly can be applied to various heat management systems, can be applied to various fields such as household air conditioners, commercial air conditioners, automobiles and the like, and particularly can be applied to an electric automobile air conditioning system.

According to an embodiment of the fluid management assembly 100 of the present application, referring to fig. 1-10, the fluid management assembly 100 includes a first cylinder 1, a second cylinder 2, a first seal head 3, a second seal head 4, a flow guide tube 5, and a heat exchange assembly 6.

In this embodiment, the first cylinder 1 includes a cylinder 11 and a bottom cover 12 integrally formed with the cylinder, the cylinder 11 of the first cylinder has a substantially circular cross section, the outer diameter of the first cylinder 11 is smaller than the inner diameter of the second cylinder 2, and the first cylinder 1 is located inside the second cylinder 2. The fluid management assembly 100 has a first chamber 10 and a second chamber 20 in communication, the first chamber 10 being located between the second cylinder 2 and the first cylinder 1, the second chamber 20 comprising at least a space located within the first cylinder 1, the second chamber 20 being formed within the first cylinder 1, the draft tube 5 being located at least partially within the second chamber 20. The first chamber 10 comprises at least a chamber defined by the outer wall surface of the first cylinder 1 and the inner wall surface of the second cylinder 2, and the heat exchange assembly 6 is at least partially located in the first chamber 10.

The first sealing head 3 and the second sealing head 4 are respectively and fixedly arranged at two opposite ends of the second cylinder body 2, one end face of the second cylinder body 2 surrounds part of the first sealing head 3, and the other end face surrounds part of the second sealing head 4; one end face of the first cylinder body 1 is abutted against the first sealing head 3, and the other end face is abutted against the second sealing head 4. In some embodiments, the first sealing head 3 may be connected to the first cylinder 1 and the second cylinder 2, or may be abutted with each other by adopting a sealing structure; the second sealing head 4 can be connected with the first cylinder body 1 and the second cylinder body 2, and also can be abutted through a sealing structure. The first sealing head 3 is provided with a third cavity 30, the third cavity comprises a space between the first component 31 and the second component 32, the flow guide pipe 5 is fixedly arranged with the first sealing head 3, the flow guide pipe 5 is communicated with the second cavity 20 and the third cavity 30, and the third cavity 30 is communicated with the first cavity 10.

Referring to fig. 3 and 6, the first closure head 3 includes a first member 31 and a second member 32 disposed at intervals, the projection of the first member 31 falls completely into the projection of the second member 32 in the axial direction of the fluid management assembly 100, the first member 31 is fixedly disposed with the first cylinder 1, the second member 32 is fixedly disposed with the second cylinder 2, and the third chamber 30 includes at least a space between the first member 31 and the second member 32. The first part 31 comprises a first through hole 33 communicating with the third chamber 30 and a second through hole 34 communicating with the second chamber 20, and the second part 32 comprises a third through hole 35 communicating with the outside of the fluid management assembly 100.

In the direction of the axis of the fluid management assembly 100, the projection of the first cylinder 1 falls completely into the projection of the first member 31, and the outer contour shape of the first member 31 is substantially the same as the cross-sectional shape of the main body portion of the first cylinder 1.

The first member 31 includes a first end surface 311 remote from the first cylinder 1, and a second end surface 312 and a first step surface 313, the first step surface 313 dividing the side wall surface of the first member 31 into two sections, namely a first side wall surface 314 and a second side wall surface 315. The first step surface 313 is epitaxially connected to the first sidewall surface 314 and internally connected to the second sidewall surface 315. The upper end surface of the first cylinder 1 abuts against the first step surface 313. In some embodiments, a portion of the inner wall surface of the first cylinder 1 is disposed in contact with the second side wall surface 315. The first through hole 33 and the second through hole 34 each form an opening at the first end face 311 and the second end face 313. The upper end surface of the first cylinder 1 is fixedly connected with the first component 31 by brazing, gluing or electromagnetic pulse welding.

The second component 32 includes a third end face 321 remote from the second barrel 2, a fourth end face 322 opposite the third end face 321. The second member 32 has a third side wall surface 323 and a fourth side wall surface 324, the third side wall surface 323 is connected to the third end surface 321, extends from the third end surface 321 toward the first member 31, and the fourth side wall surface 324 is connected to the fourth end surface 322, and extends from the fourth end surface 322 toward the third end surface. Part of the inner wall surface of the second cylinder 2 and the fourth side wall surface 324 are fixedly attached, and the attaching and fixing can be realized through brazing, gluing or electric pulse welding. The third through hole 35 is formed with openings at both the third end face 321 and the fourth end face 322, and in some embodiments, stepped faces may be provided at the third side wall face 323 and the fourth side wall face. In addition, the second member 32 may be further provided with a limiting member 325, and the limiting member 325 is used for limiting between the second member 32 and the first limiting member 31.

Referring to FIG. 1, the fluid management assembly 100 further includes a tubing connection assembly that is disposed in connection with the second member 32. The pipe connection assembly includes a first connection member 73 having a first passage, a second connection member (not shown) having a second passage, a fastener (not shown) connecting the first connection member 73 and the second connection member, and a sealing member (not shown) provided between the first connection member 73 and the second connection member, and when the first connection member 73 and the second connection member are connected by the fastener, the first passage is communicated with the second passage and the sealing member is compressed, and a junction of the first passage and the second passage is sealed by the sealing member. One of the first and second connectors 73, 32 is connected to the second member 32 and the other is connected to the pipe, and the first and second passages communicate the third through-hole 35 with the outside of the fluid management assembly 100. When the first connector 73 is fixedly connected to the second connector by the fastener, the second chamber 20 is in communication with an external pipe, and the fluid management assembly 100 is accessed into the thermal management system. It should be understood that, in this application, the arrangement that the pipe connection assembly is connected to the second member 32 means that one of the first connecting member 73 or the second connecting member may be integrally formed with the second member 32, or that the pipe connection assembly and the second member 32 may be separately formed and then connected together by machining.

In some embodiments, referring to fig. 3, the edge portion of the opening of the first through hole 33 located at the second end face 312 extends toward the second cavity 20 to form a first extension portion 331, and an inner sidewall of the first extension portion 331 is connected to a portion of an outer sidewall of the flow guiding tube 5, so that reliability of connection between the flow guiding tube 5 and the first member 31 is enhanced. The edge portion of the second through hole 34 at the opening of the first end surface 311 extends toward the third chamber 30 to form a connection tube 341, and the connection tube 341 is connected to the third through hole 35.

The fluid management assembly may further comprise a first filter member 71 having one end of the flow conduit 5 fixedly disposed with the first component 31 and the other end fixedly disposed with the first filter member 71, the flow conduit 5 being at least partially disposed within the second chamber 20 and partially disposed within the third chamber 30. The inner cavity of the draft tube 5 is communicated with the first through hole 33.

Referring to fig. 4 and 6, the second sealing head 4 includes a third component 41 and a second filtering member 42 that are disposed at intervals, the third component 41 is covered on one end of the second cylinder 2 away from the first sealing head 3, and the second filtering member 42 is covered on one end of the first cylinder 1 away from the first sealing head 3. Along the axial direction of the fluid management assembly 100, the projection of the third component 41 falls entirely into the projection of the second cylinder 2, and the projection of the second filter member 42 falls entirely into the projection of the first cylinder 1. The projection of the third component 41 falls entirely within the projection of the second cylinder 2 and the projection of the second filter member 42 falls entirely within the projection of the first cylinder 1. At least a part of the outer side wall surface of the third member 41 is hermetically connected to a part of the inner side wall surface of the second cylinder 2. In other embodiments, the third member 41 may be similar in structure to the second member 32, the third member 41 having a stepped surface against which the second cylinder 2 abuts, and the projection of the second cylinder 2 falling entirely into the projection of the third member 41 along the axial direction of the fluid management assembly 100.

Referring to fig. 4, one end of the second filter member 42 has a first protruding edge portion 421, the other end of the second filter member 42 has a second protruding edge portion 422, the first protruding edge portion 421 and the second protruding edge portion 422 are disposed opposite to each other, the second filter member further includes reinforcing ribs 423 and a filter screen 424, the reinforcing ribs 423 connect the first protruding edge portion 421 and the second protruding edge portion 422, a plurality of reinforcing ribs are disposed between the first protruding edge portion 421 and the second protruding edge portion 422 at equal intervals, the filter screen 424 is disposed between adjacent reinforcing ribs, in this embodiment, the number of reinforcing ribs is 8, but in other embodiments, the number of reinforcing ribs 423 may be 6, the greater the number of reinforcing ribs 423, the stronger the fluid impact resistance of the second filter member. When the second filter member 42 is mounted, the first flange 421 abuts against the bottom cover 12 of the first cylinder 1, the second flange 422 abuts against the third component 41, the third component 41 has a fifth end face 411, the fifth end face 411 is disposed opposite to the bottom cover 12 of the first cylinder 1, the third component 41 is disposed at the end face of the fifth end face 411 and provided with a mounting slot 411 matching the second flange 422, the second flange 422 is fixed in the mounting slot 411, and the projection of the first cylinder 1 falls into the projection of the second filter member 42 along the axial direction of the fluid management assembly 100, although other configurations of the second filter member 42 are possible.

Referring to fig. 6, an abutment 14 is further provided on the bottom surface of the bottom cover 12 of the second cylinder 2 facing the third component 41, the abutment 14 abutting against the third component 41 when the second filter member 42 is mounted and fixed between the third component 41 and the second cylinder 2.

Referring to fig. 4 and 6, the third member 41 has a fourth through hole 43 communicating the outside of the fluid management assembly 100 with the first chamber 10, and the fourth through hole 43 is formed with openings at both opposite sides of the third member 41. In some embodiments, the opening formed by the fourth through hole 43 near one side of the first cavity 10 is larger than the opening formed by one side far from the first cavity 10, the fourth through hole 43 is divided into two sections, one section far from the first cavity 10 is a first section with a substantially straight cylinder shape, one section near the first cavity 10 is a second section with a substantially horn shape, the outline size of the cross section of one end of the second section is the same as the outline size of the cross section of the first section, and the outline size of the cross section of the other end of the second section is larger than the outline size of the cross section of the first section.

Referring to fig. 1 and 4, the third member 41 is provided in connection with the pipe connection assembly. When the first connector 73 is fixedly connected to the second connector by the fastener, the first chamber 10 is in external communication with the fluid management assembly 100, and the fluid management assembly 100 is accessed into the thermal management system.

Referring to fig. 2 and 6, the first filter member 71 includes a fixing device 711 and a filter device 712, the fixing device 711 includes a first filter screen support 7111 and a first filter screen 7112, the first filter screen support includes a plurality of first filter screen ribs 7113, a first filter screen 7112 is disposed between adjacent first filter screen ribs 7113, a fixing piece 13 is disposed on an inner bottom surface of the second cavity 20 of the first barrel bottom cover 12, the fixing piece 13 is in snap connection with the fixing device 712, the filter device 712 includes a flow guide pipe mounting portion 7121 and a fixing device mounting portion 7122, the second filter screen support 7123 and a second filter screen 7124, the second filter screen support 7123 includes a plurality of second filter screen ribs 7125, and a second filter screen 7124 is disposed between adjacent second filter screen ribs 7125. The draft tube mounting portion 7121 is fixedly mounted to the draft tube 5, and the filter device mounting portion 7122 is fixedly mounted to the filter device 712.

The fluid management assembly 100 further includes a drying bag 72 and a blocking net 74, the blocking net 74 includes a first blocking net 741 and a second blocking net 742, the outer wall surface of the flow guiding pipe 5 is provided with a first blocking net mounting portion 51 and a second blocking net mounting portion 52, the first blocking net 741 is fixedly mounted between the first blocking net mounting portion 51 and the inner wall surface of the second cylinder 2, the second blocking net 742 is fixedly mounted between the second blocking net mounting portion 52 and the inner wall surface of the second cylinder 2, and the drying bag 72 is mounted between the first blocking net 741 and the second blocking net 742 and surrounds the outer peripheral wall surface of the flow guiding pipe 5.

Referring to fig. 8, in operation of the fluid management assembly 100, the flow direction of the first fluid is as follows: the first fluid is stored in the bottom of the first cylinder by flowing from the third through hole 35 into the second chamber 20. After the first fluid is dried by the drying bag, the first fluid is filtered by the first filtering component 71, enters the flow guide pipe 5 from the lower end of the flow guide pipe 5, moves upwards in the flow guide pipe 5, enters the third cavity 30 from the first through hole 33, enters the first cavity 10 from the gap between the first component 31 and the second component 32, and flows downwards. The final first fluid exits the fluid management assembly 100 through the fourth port 43 of the third member 41 to enter the compressor 300, where the first fluid completes the entire heat exchange process. Wherein the first fluid exchanges heat with the heat exchange assembly 6 during the flow in the first chamber 10.

Referring to fig. 11-13, the fluid management assembly 100 includes a heat exchange assembly 6 at least partially disposed within the first chamber 10, the heat exchange assembly 6 including a first manifold 61, a second manifold 62, heat exchange tubes 63, and a first heat exchange member 64. The second part 32 of the first head 3 comprises a fifth through hole 36 communicating the outside of the fluid management assembly 100 with the heat exchange assembly 6, and the third part 41 of the second head 4 comprises a sixth through hole 44 communicating the outside of the fluid management assembly 100 with the heat exchange assembly 6. In the present embodiment, one end of the first header 61 is connected to the second member 32, one end of the second header 62 is connected to the third member 41, and the first header 61 and the second header 62 are arranged in parallel. The first header 61 has one end sealed and the other end communicated with the fifth through hole 36, and the second header 62 has one end sealed and the other end communicated with the sixth through hole 44. At least part of the side wall of the first cylinder 1 is recessed away from the second cylinder 2 to form a first recess 111, and at least part of the first header 61 and the second header 62 are accommodated in the first recess 111. The first part 31 is provided with a first relief portion 316 corresponding to the first recess 111 along the axial direction of the fluid management assembly 100, so as to facilitate connection and assembly of the first header 61 and the second part 32. The second filter member 42 is provided with a second relief portion 425 at a portion corresponding to the first recess 111 in the axial direction of the fluid management assembly 100 to facilitate connection and assembly of the second header 62 with the third component 41. Alternatively, the first cylinder 1 may not be provided with the first concave portion 111.

The heat exchange tubes 63 have a width greater than a thickness thereof so as to be flat, i.e., the heat exchange tubes 63 have a flat cross-sectional shape, and the number of the heat exchange tubes 63 includes at least one, each heat exchange tube 63 includes a plurality of flow channels extending along the heat exchange tube 63, and the plurality of flow channels are disposed at intervals.

In this embodiment, the number of the heat exchange tubes 63 is three, the three heat exchange tubes 63 are arranged in parallel along the axial direction parallel to the fluid management assembly 100, each wide heat exchange tube 63 is arranged around the first cylinder 1 to form a cylinder shape, and one end of each heat exchange tube 63 is connected to the first collecting pipe 61, and the other end is connected to the second collecting pipe 62. Each of the flow channels of the heat exchange tube 63 communicates with the inner cavity of the first header 61 and the inner cavity of the second header 62.

In this embodiment, the first heat exchange member 64 is located outside the heat exchange tube, and of course, the heat exchange assembly may further include a second heat exchange member 65, and specifically, referring to the embodiment, the first heat exchange member 64 and the second heat exchange member 65 are located at opposite sides of the heat exchange tube 63, and the first heat exchange member 64 and the second heat exchange member 65 are fixedly connected to opposite sides of the heat exchange tube 63 in the thickness direction. One side surface of the first heat exchanging member 64 is close to or attached to the inner wall surface of the second cylinder 2, and the other side surface is connected to one side wall surface of the heat exchanging pipe 63. One side surface of the second heat exchanging member 65 is close to or attached to the outer wall surface of the first cylinder 1, and the other side surface is connected to the other side wall surface of the heat exchanging tube 63. The first heat exchanging member 64 and the second heat exchanging member 65 are provided in the first chamber 10, thereby enhancing heat exchange between the second fluid in the heat exchanging pipe 63 and the first fluid in the first chamber 10.

It should be understood that the connection means that the first heat exchange member 64 and the second heat exchange member 65 may be integrally formed with the heat exchange tube 63, or may be formed separately and then connected together by machining. The heat exchange tube 63, the first heat exchange member 64, and the second heat exchange member 65 are all disposed around at least part of the first cylinder 1.

The first heat exchange member 64 includes a first guide structure 641, where the first guide structure 641 protrudes from the surface of the first heat exchange member 64, and the first guide structure 641 may be disposed only on one side of the first heat exchange member 64, or may be disposed on both sides of the first heat exchange member 64, and the first guide structure 641 has a flow channel for flowing a first fluid therein, and/or a flow channel for flowing the first fluid is formed between two adjacent first guide structures 641. The second heat exchange member 65 includes a second flow guiding structure 651, where the second flow guiding structure 651 protrudes from the surface of the second heat exchange member 65, and the second flow guiding structure 651 may be disposed only on one side surface of the second heat exchange member 65, or may be disposed on both side surfaces of the second heat exchange member 65, and the second flow guiding structure 651 has a flow channel in which the first fluid flows, and/or a flow channel in which the first fluid flows is formed between two adjacent second flow guiding structures 651.

The first heat exchange member 64 and the second heat exchange member 65 are different in structure. The structure of the first heat exchanging member 64 includes one or more of a shape of the first guide structure 641, a distribution density of the first guide structure 641, and a thickness of the first heat exchanging member 64. The shape of the first guide structure 641 may be one or a combination of a plurality of bar-shaped structures, corrugated structures, zigzag structures, staggered-tooth structures, louver structures, needle-shaped structures, perforated structures, any structures with protrusions, and any structures with grooves on the surface, as long as the purpose of guiding the flow of the first fluid and increasing the effect of heat exchange between the first fluid and the heat exchange assembly 6 can be achieved.

The structure of the second heat exchanging member 65 includes a combination of one or more of a shape of the second flow guiding structure 651, a distribution density of the second flow guiding structure 651, and a thickness of the second heat exchanging member 65. The shape of the second flow guiding structure 651 may be one or a combination of a plurality of bar-shaped structures, corrugated structures, zigzag structures, staggered tooth structures, louver structures, needle-shaped structures, perforated structures, any structures with protrusions, and any structures with grooves on the surface, as long as the purpose of guiding the flow of the first fluid and increasing the effect of heat exchange of the first fluid with the heat exchange assembly 6 can be achieved.

The first flow guiding structure 641 of the first heat exchanging member 64 is a plurality of hollow strip-shaped structures arranged in parallel, each strip-shaped structure extends along an axis direction parallel to the fluid management assembly 100, and a flow channel is formed inside the strip-shaped structure and between two adjacent strip-shaped structures, and the strip-shaped structures guide the first fluid to flow from top to bottom in a substantially straight line shape. The second flow guiding structure 651 of the second heat exchanging member 65 is a staggered structure, and a flow channel is formed inside the staggered structure and between two adjacent staggered structures, and the strip-shaped structure guides the fluid to flow from top to bottom in a substantially S shape. In other embodiments, the first heat exchange member 64 and the second heat exchange member 65 may each have other shapes.

In this embodiment, the flow guide member 8 is provided between the first header 61 and the second header 62 and the second cylinder 2 to prevent the first fluid from directly flowing out of the first chamber 10 through the gaps between the first header 61 and the second header 62 and the second cylinder 2. The guide member 8 may be connected to the first heat exchanging member 641 or may not be connected to the first heat exchanging member 641. The application is not limited to this, and may be set according to a specific application environment.

The flow guiding member 8 at least comprises two parts located at the upper end of the first collecting pipe 61 and the lower end of the first collecting pipe 61, so that part of the first fluid flowing out of the third cavity 30 is prevented from directly flowing downwards through gaps between the first collecting pipe 61 and the second collecting pipe 62 and the second cylinder 2 so as to flow out of the first cavity 10, namely, the first fluid can flow through the outer sides of the heat exchanging member 64 and the heat exchanging pipe 63 as much as possible, and the heat exchanging efficiency of the fluid management assembly 100 is improved.

The flow guide member 8 includes a first mating surface 81 that mates with the second cylinder 2, a second mating surface 82 that mates with the first header 61, and a third mating surface 83 that mates with the second header 62. Alternatively, the first mating surface 81 and the second cylinder 2 may be in a mating manner, that is, the first mating surface 81 is a curved surface, so that the first fluid can be effectively prevented from flowing out of the first cavity 10 from the gap between the guide member 8 and the inner wall surface of the second cylinder 2. Be equipped with protruding muscle 84 between second mating surface 82 and the third mating surface 83, the wall surface one side of protruding muscle 84 extends to connect second mating surface 82, the opposite side extends to connect third mating surface 83, the clearance between first pressure manifold 61 and the second pressure manifold 62 is located to protruding muscle 84, the wall surface one side laminating of protruding muscle 84 sets up first pressure manifold 61, the opposite side laminating second pressure manifold 62 sets up, and second mating surface 82 laminating first pressure manifold 61 sets up, third mating surface 83 laminating second pressure manifold 62 sets up, can be comparatively effectually prevent that first fluid from flowing out first chamber 10 from the clearance between first pressure manifold 61, second pressure manifold 62 and the water conservancy diversion piece 8.

In operation of the fluid management assembly 100, the flow direction of the second fluid in the cooling mode is as follows: the second fluid flows from the sixth through hole 44 through the second header 62 into the heat exchange tube 63, along the heat exchange tube 63 to the first header 61, and finally the second fluid flows from the fifth through hole 36 out of the fluid management assembly 100; the flow direction of the second fluid in the heating mode is as follows: the second fluid flows from the fifth through hole 36 into the heat exchange tube 63 through the first header 61, flows along the heat exchange tube 63 to the second header 62, and finally flows out of the gas-liquid separator 100 from the sixth through hole 44. So far, the second fluid completes the whole flow of heat exchange. Wherein in the first chamber 10, the second fluid flowing in the inner chamber of the heat exchange tube 63 exchanges heat with the first fluid flowing in the first chamber 10.

In another embodiment of the present application, referring to fig. 15, the heat exchange assembly 6 'includes a spiral tube 61', at least part of the spiral tube 61 'is wound around the outer wall surface of the first cylinder 1, and the cross section of the spiral tube 61' is circular, however, the cross section of the spiral tube may be other shapes, such as polygonal structures, corrugated structures, etc., and one end of the spiral tube 61 'is in communication with the fifth through hole 36, and the other end of the spiral tube 61' is in sealing communication with the sixth through hole 44.

FIG. 16 is a schematic diagram of a connection of a thermal management system according to an exemplary embodiment of the present application, the direction of the arrows being the direction of fluid flow, the thermal management system being in a cooling mode. Referring to fig. 16, a thermal management system includes a fluid management assembly 100, a first evaporator 200, a compressor 300, a first condenser 400, and a throttling device 500. The outlet of the first condenser 400 is communicated with the third through hole 35, the first end socket 3 of the fluid management assembly 100 is communicated with the flow guiding pipe 5, the compressor 300 is communicated with the flow guiding pipe 5 through the second end socket 4 of the fluid management assembly 100, and the inlet of the compressor 300 is communicated with the fourth through hole 43. The first evaporator 200 is connected with the heat exchange assembly 6 through the second end enclosure 4 of the fluid management assembly 100, the outlet of the first evaporator 200 is communicated with the fifth through hole 36, the throttling device 500 is connected with the heat exchange assembly 6 through the second end enclosure 4 of the fluid management assembly 100, and the inlet of the throttling device 500 is communicated with the sixth through hole 44. In the refrigeration mode, the fluid flowing out of the first evaporator 200 flows into the heat exchange assembly 6 in the fluid management assembly 100, flows out into the compressor 300 after exchanging heat with the fluid in the second cavity, flows through the first cylinder 1 in the fluid management assembly 100 after exchanging heat with the first condenser 400, flows into the second cavity through the flow guide pipe 5 to exchange heat with the heat exchange assembly, flows out of the fluid management assembly, flows into the throttling device 500, flows through the first evaporator 200 to exchange heat, and flows into the fluid management assembly 100 to realize one heat exchange cycle. The temperature of the fluid flowing in the heat exchanger 6 increases after heat exchange, so that the temperature of the fluid entering the compressor 300 increases, and the temperature of the fluid flowing into the restriction 500 decreases, thereby improving the cooling effect of the evaporator 200.

In the heating mode, the high-temperature gaseous fluid flowing out of the compressor 300 enters the second condenser 400 'to exchange heat, flows through the first cylinder 1 in the fluid management assembly 100, then enters the fluid management assembly 100 to exchange heat, the gas-liquid refrigerant after heat exchange enters the second evaporator 200' after being throttled, then enters the fluid management assembly 100, and the fluid flows into the compressor 300 to complete one heat exchange cycle.

It should be understood that, in the present application, the first fluid and the second fluid are both refrigerants, the first fluid is a refrigerant flowing out from the first evaporator 200, and the second fluid is a refrigerant flowing out from the condenser 400 or the throttling device 500, where two separate heat exchange systems are required for the fluid operation.

Reference herein to "substantially" and "approximately" means that the similarity is above 50%. For example, the first cylinder 1 is approximately cylindrical, that is, the first cylinder 1 is hollow, the side wall of the first cylinder 1 may be provided with a concave portion or a convex structure, and the profile of the cross section of the first cylinder 1 is not circular, but 50% of the profile is constituted by an arc.

It should be noted that: the expressions of "first", "second", "third", and the like in the above embodiments are for the purpose of naming only, and do not include any sequential limitations. The above embodiments are only for illustrating the present invention and not for limiting the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the present invention may be modified or substituted by the same, and all the technical solutions and modifications thereof without departing from the spirit and scope of the present invention are intended to be included in the scope of the claims of the present invention.

Claims (10)

1. A fluid management assembly, comprising: the device comprises a first cylinder, a second cylinder, a flow guide pipe, a heat exchange assembly, a first seal head and a second seal head;

at least part of the first cylinder is positioned on the inner side of the second cylinder, the fluid management assembly is provided with a first cavity and a second cavity, part of the first cavity is positioned between the first cylinder and the second cylinder along the radial direction of the first cylinder, at least part of the second cavity is positioned in the first cylinder, the heat exchange assembly is positioned in the first cavity, and the flow guide pipe is positioned in the second cavity;

the first sealing head is fixedly arranged at one end of the second cylinder and one end of the first cylinder, the second sealing head is fixedly arranged at the other end of the second cylinder, and the second sealing head is positioned below the first sealing head along the central axis direction of the fluid management assembly; the first seal head is provided with a third cavity, the flow guide pipe is fixedly arranged with the first seal head, the flow guide pipe is provided with a first port and a second port, the first port of the flow guide pipe is communicated with the third cavity, the second port of the flow guide pipe is communicated with the second cavity, and the second port of the flow guide pipe is closer to the second seal head than the first port of the first flow guide pipe along the axial direction of the first cylinder.

2. The fluid management assembly of claim 1 wherein the first and second chambers are in communication via the draft tube, the third chamber is in communication with the first chamber, the first head includes first and second spaced apart members, the first member is fixedly disposed with the first barrel in an axial direction of the first barrel, the second member is fixedly disposed with the second barrel, the third chamber includes at least a space between the first and second members, the first member includes a first through-hole portion, and the first end of the draft tube is fixedly connected with the first through-hole portion.

3. The fluid management assembly of claim 2 wherein the first component further comprises a second through-hole portion, the first through-hole portion being fixedly connected to the second through-hole portion, the second through-hole of the second through-hole portion being in communication with the second cavity, the second component comprising a third through-hole portion having a third through-hole, the third through-hole being in communication with the second cavity.

4. The fluid management assembly of claim 1 wherein the second head comprises a third component remote from the first head and covering the first and second barrels, the third component comprising a fourth through hole portion having a fourth through hole communicating the first chamber with an exterior of the fluid management assembly.

5. The fluid management assembly of claim 3 or 4, wherein the fluid management assembly comprises a drying bag and a baffle screen, the baffle screen comprises a first baffle screen and a second baffle screen, the outer wall surface of the flow guide tube is provided with a first baffle screen mounting portion and a second baffle screen mounting portion, the first baffle screen is mounted between the first baffle screen mounting portion and the first cylinder inner wall surface, the second baffle screen is mounted between the second baffle screen mounting portion and the first cylinder inner wall surface, the drying Bao Sheyu is between the first baffle screen and the second baffle screen, and the fluid management assembly further comprises a first filter member fixedly connected with one end of the flow guide tube located in the first cylinder.

6. The fluid management assembly of claim 3 or 4 wherein the heat exchange assembly has at least a portion located in the first cavity, the first head includes a fifth through hole portion, the second head includes a sixth through hole portion having a fifth through hole, the sixth through hole portion having a sixth through hole, the heat exchange assembly includes a first header, a second header, and a heat exchange tube, the heat exchange tube includes at least one flat tube, one end of the flat tube is connected to the first header, the other end is connected to the second header, one end of the first header is sealingly disposed in the fifth through hole portion and communicates with the fifth through hole, one end of the second header is sealingly disposed in the fifth through hole portion and communicates with the sixth through hole, and the first header is juxtaposed with the second header.

7. The fluid management assembly of claim 3 or 4 wherein the heat exchange assembly is at least partially located in the first chamber, the first head includes a fifth through-hole portion, the second head includes a sixth through-hole portion, the fifth through-hole portion has a fifth through-hole, the sixth through-hole portion has a sixth through-hole, the fifth through-hole communicates with the fluid management assembly and the heat exchange assembly, the sixth through-hole communicates with the fluid management assembly and the heat exchange assembly, the heat exchange tube includes at least a portion of a spiral tube, one end of the spiral tube communicates with the fifth through-hole, and the other end of the spiral tube communicates with the sixth through-hole.

8. The fluid management assembly of claim 7 wherein the heat exchange tube is disposed around the first cylinder, one side of the first heat exchange member is disposed adjacent to or in contact with the second cylinder, the other side of the first heat exchange member is fixed to the heat exchange tube, one side of the second heat exchange member is disposed adjacent to or in contact with the first cylinder, the other side of the second heat exchange member is fixed to the heat exchange tube, and the structures of the first heat exchange member and the second heat exchange member are different.

9. The fluid management assembly of claim 2 wherein the first barrel comprises a barrel portion and a bottom cap integrally formed with the barrel portion, the bottom cap being located on a side relatively remote from the first head, the fluid management assembly comprising a second filter member, the second filter member abutting between the third component and the bottom cap.

10. A thermal management system comprising a fluid management assembly according to any one of claims 1-9, further comprising an evaporator, a compressor, a condenser, and a throttling device, wherein the heat exchange assembly is connected between the evaporator and the compressor, the fluid management assembly is connected between the condenser and the throttling device, an outlet of the condenser is connected with a third through hole of a first head of the fluid management assembly, an outlet of the evaporator is connected with a fifth through hole of the first head of the fluid management assembly, an inlet of the compressor is connected with a fourth through hole of a second head of the fluid management assembly, and an inlet of the throttling device is connected with a sixth through hole of the second head.

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