WO2022083710A1

WO2022083710A1 - Fluid guiding device, method of manufacturing fluid guiding device and thermal management assembly

Info

Publication number: WO2022083710A1
Application number: PCT/CN2021/125467
Authority: WO
Inventors: 孙键淇; 张新; 兰天; 肖超; 倪静宇
Original assignee: 法雷奥汽车空调湖北有限公司动力总成热系统分公司
Priority date: 2020-10-22
Filing date: 2021-10-22
Publication date: 2022-04-28
Also published as: CN114379312A

Abstract

A fluid guiding device (90), a method of manufacturing the fluid guiding device (90), and a thermal management assembly (9). Since in addition to a first opening (90a) and a second opening (90b), the fluid guiding device (90) is further provided with a third opening (90c), a fourth opening (90d) and a fifth opening (90e) which communicate with one another by means of an intermediate chamber (90f), a plurality of different flow channels penetrating the fluid guiding device (90) can be formed by means of at least any two of the third opening (90c), the fourth opening (90d) and the fifth opening (90e), such that the fluid guiding device (90) reduces the number of openings while meeting different requirements for guiding fluid (F).

Description

Fluid directing device, method of making fluid directing device, and thermal management assembly

technical field

The present invention relates to a fluid guiding device and a thermal management assembly including the same, and a method of manufacturing the same.

Background technique

As the automobile manufacturing industry develops towards electrification and intelligence, the requirements for the integration and compactness of thermal management components of automobiles are getting higher and higher.

Thermal management components can be used in automotive air conditioning systems as well as in automotive battery thermal management systems. In the prior art, thermal management assemblies comprise a heat exchanger and fluid guide means for introducing and/or withdrawing a heat exchange fluid into and out of the heat exchanger, wherein the heat exchange fluid passes through the fluid guide means.

The fluid guiding device in the prior art has the disadvantage that the structure is not simple enough.

SUMMARY OF THE INVENTION

An object of the present invention is to provide a fluid guiding device which has the advantage of a simple structure.

Another object of the present invention is to provide a method of manufacturing a fluid guide device for manufacturing the above-mentioned fluid guide device.

It is also an object of the present invention to provide a thermal management assembly comprising the above-mentioned fluid guiding device.

In order to achieve the object, a fluid guiding device, for guiding a fluid, has a first opening and a second opening, wherein the first opening communicates with the second opening to guide the fluid through the fluid guiding device; The fluid guiding device further has a third opening, a fourth opening, an intermediate cavity and a fifth opening; the intermediate cavity communicates with the third opening, the fourth opening and the fifth opening respectively; wherein the At least two of the third opening, the fourth opening and the fifth opening are used to guide the fluid through the fluid guiding device via the intermediate cavity.

In one embodiment, the fluid guiding device comprises a block having the intermediate cavity, the first opening and the fifth opening; wherein the intermediate cavity is provided inside the block , the first opening and the fifth opening are located on the first surface of the block.

In one embodiment, the block further has the third opening, the fourth opening and the second opening; wherein the third opening, the fourth opening and the second opening are located at the second surface of the block.

In one embodiment, the first surface and the second surface are two adjacent surfaces of the block.

In one embodiment, the fluid guiding device further includes a first tube, a second tube and a third tube; one end of the first tube has the second opening, and the other end is connected to the block and to the One end of the second pipe has the third opening, and the other end is connected with the block and communicated with the intermediate cavity; one end of the third pipe has the fourth opening, The other end is connected to the block and communicates with the intermediate cavity.

In one embodiment, the fluid guiding device has a main flow channel, a first flow section, a second flow section and a third flow section; wherein the main flow channel communicates the first opening and the second opening; the The first flow section communicates with the third opening and the intermediate cavity; the second flow section communicates with the fourth opening and the intermediate cavity; the third flow section communicates with the fifth opening and the intermediate cavity .

In one embodiment, the first flow section and the second flow section are distributed over a first cross-section of the fluid guiding device.

In one embodiment, the flow of the fluid in the first flow section and the second flow section is equal.

In one embodiment, the first flow section and the second flow section are symmetrically distributed on both sides of the intermediate cavity.

In one embodiment, the first flow section includes a first port section and a first communication section, the first port section communicates with the third opening; the second flow section includes a second port section and a second communication section the second port section communicates with the fourth opening; the first communication section communicates with the first port section and the intermediate cavity; the second communication section communicates with the second port section and the middle cavity.

In one embodiment, the first port section is parallel to the second port section.

In one embodiment, the first communication section and the second communication section extend along the same straight line.

In one embodiment, the first port section is perpendicular to the first communication section; and/or the second port section is perpendicular to the second communication section.

In one embodiment, the main channel has a main port section and a secondary port section; one end of the main port section is communicated with the second opening, and the other end is communicated with the secondary port section; One end communicates with the main port section, and the other end communicates with the first opening; the main port section is parallel to the first port section and the second port section.

In one embodiment, the main port section is arranged to be aligned with the intermediate cavity and not communicated with each other, wherein the first port section and the second port section are symmetrically distributed in the main port section. sides.

A method for manufacturing a fluid guiding device to achieve the object, comprising: determining a first opening on a block body; machining a secondary port section communicating with the first opening in the block body; manufacturing the fluid guiding device The method further includes: determining a fifth opening on the block; machining a third flow section in the block that communicates with the fifth opening; determining a process opening on the block; A process channel communicating with the process opening, wherein the process channel is communicated with the third flow section to form an intermediate cavity.

In one embodiment, a second opening is defined on the block body; and a main port section that communicates with the secondary port section and the second opening is machined inside the block body.

In one embodiment, the process channel is made through the block.

In one embodiment, a third opening and a fourth opening are determined on the block body; a first port section that communicates with the third opening is machined inside the block body; communication is machined inside the block body The second port section of the fourth opening; in the process of processing the process channel, the process channel is first extended to communicate with one of the first port section and the second port section, and then extended to communicate with the third flow section to form the intermediate cavity, and then extend to communicate with the other of the first port section and the second port section; wherein, the process channel has a communication channel with the first port section and the second port section. A first communication section between a port section and the intermediate cavity, and a second communication section for communication between the second port section and the intermediate cavity.

In one embodiment, the process channel extends linearly inside the block.

In one embodiment, the process opening is sealed with a cap.

A thermal management assembly for the purpose, comprising a heat exchanger and a fluid directing device as described above, wherein the heat exchanger communicates with the second opening of the fluid directing device and also with the third opening communicating with at least one of the fourth openings.

In one embodiment, the heat exchanger is a cooling plate.

In one embodiment, the thermal management assembly further includes an expansion valve, wherein the expansion valve communicates with the first and fifth openings of the fluid directing device, respectively.

In one embodiment, the expansion valve is mounted on the block of the fluid directing device.

The positive improvement effect of the present invention is that: since the fluid guiding device further has the third opening, the fourth opening and the fifth opening which communicate with each other through the intermediate cavity in addition to the first opening and the second opening, therefore, through the third opening, At least two of the fourth opening and the fifth opening can form a plurality of different flow passages through the fluid guiding device, so that the fluid guiding device can reduce the number of openings under the condition that the fluid guiding device meets different requirements for guiding the fluid. Therefore, the fluid guiding device provided by the present invention has the advantage of simple structure.

Description of drawings

The above and other features, properties and advantages of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings and examples, wherein:

1 is a schematic diagram of a thermal management assembly in one embodiment;

2A-2C are schematic diagrams of blocks in one embodiment;

3 is a cross-sectional view along the first section A-A in FIG. 2C;

Figure 4 is a top view of the block;

Fig. 5A, Fig. 5B are the sectional views along the third section B-B and the second section C-C in Fig. 4 respectively;

Fig. 6A, Fig. 6B are respectively the sectional view of the block;

7 is a schematic diagram of a fluid directing device in another embodiment;

Figure 8 is a top view of the fluid guiding device;

9 is a cross-sectional view of a thermal management assembly;

Figure 10 is a cross-sectional view of the fluid directing device;

11 and 12 are cross-sectional views of blocks in another embodiment.

Detailed ways

The following discloses various implementations or examples of the subject technical solution in different implementations. In order to simplify the disclosure, specific examples of various elements and arrangements are described below, which are, of course, only examples and are not intended to limit the scope of protection of the present invention. For example, the distribution of the first feature in the second feature described later in the specification may include an embodiment in which the first and second features are distributed in a direct relationship, and may also include an additional feature formed between the first and second features. implementation so that there may be no direct connection between the first and second features. Additionally, reference numerals and/or letters may be repeated in various instances throughout the content. This repetition is for brevity and clarity and does not in itself represent a relationship between the various embodiments and/or structures being discussed. Further, when a first element is described as being connected or combined with a second element, the description includes embodiments in which the first and second elements are directly connected or combined with each other, and also includes the addition of one or more other intervening elements. The first and second elements are indirectly connected or joined to each other.

It should be noted that FIG. 1 to FIG. 12 are only examples, and they are not drawn according to the conditions of equal scale, and should not be taken as a limitation on the protection scope actually required by the present invention.

FIG. 1 is a schematic diagram of a thermal management assembly in one embodiment of the present invention. Thermal management assembly 9 includes expansion valve 91 , heat exchanger 92 , fluid directing device 90 and adapter 93 . The fluid F used for heat exchange is the refrigerant in this embodiment. The refrigerant enters the thermal management assembly 9 through a passage of the expansion valve 91 and is throttled, and then flows into the heat exchanger 92 through the fluid guiding device 90 and the adapter 93, and after heat exchange inside the heat exchanger 92, it is removed from the heat. Exchanger 92 flows out. The refrigerant flowing out of the heat exchanger 92 flows out of the thermal management assembly 9 through the adapter 93 , the fluid guiding device 90 and another channel of the expansion valve 91 in sequence.

The heat exchanger 92 may be a cooling plate as shown in FIGS. 1 and 9 , including an upper plate 921 and a lower plate 922 . The lower plate 922 has a channel formed by a groove, the upper plate 921 is welded on the lower plate 922, and a heat exchange channel suitable for the flow of heat exchange fluid is formed at the channel. The upper plate 921 is provided with a plurality of through holes 921 a communicating with the heat exchange flow channels to allow the heat exchange fluid to enter and exit the heat exchanger 92 .

In a not-shown embodiment, the heat exchanger 92 may also be a fin-and-tube heat exchanger. The fluid F used for heat exchange may not be a refrigerant, for example, may be water, and accordingly, the thermal management assembly may also not include the expansion valve 91 .

As shown in FIGS. 2A-6B, the fluid guiding device 90 has a first opening 90a and a second opening 90b, wherein the first opening 90a communicates with the second opening 90b to guide the fluid F through the fluid guiding device 90; the fluid guiding device 90 also has a third opening 90c, a fourth opening 90d, an intermediate cavity 90f and a fifth opening 90e; the intermediate cavity 90f communicates with the third opening 90c, the fourth opening 90d and the fifth opening 90e respectively; wherein the third opening 90c, At least two of the fourth opening 90d and the fifth opening 90e are used to guide the fluid F through the fluid guiding device 90 via the intermediate cavity 90f.

Since the fluid guiding device 90 has, in addition to the first opening 90a and the second opening 90b, the third opening 90c, the fourth opening 90d and the fifth opening 90e which are communicated with each other through the intermediate cavity 90f, therefore, through the third opening 90c, The combination of at least two of the fourth opening 90d and the fifth opening 90e can form a plurality of different flow channels passing through the fluid guiding device 90 through the intermediate cavity 90f, so that the fluid guiding device 90 can meet the requirements of different guiding fluid F. In case of demand, the number of openings is reduced. Therefore, the fluid guiding device 90 provided by the present invention has the advantage of simple structure.

The combination of the third opening 90c, the fourth opening 90d and the fifth opening 90e includes: as shown in FIGS. 2A, 3, 5A, 5B, 7, and 9, the third opening 90c and the fourth opening 90d are both the The inlet, the fifth opening 90e is the outlet of the fluid guiding device 90 . In such a combination, the fluid F flows into the fluid guide 90 from the third opening 90c and the fourth opening 90d, merges in the intermediate cavity 90f, and then flows out of the fluid guide 90 from the fifth opening 90e.

In other combinations, the flow direction of the fluid F can also be reversed, for example, the fifth opening 90e is the inlet, and the fluid F flows from the fifth opening 90e into the fluid guiding device 90, and divides in the intermediate chamber 90f, and then flows from the third opening. 90c and the fourth opening 90d respectively flow out of the fluid guiding device 90 .

In other combinations, only two openings may be selected for the flow of the fluid F among the third opening 90c, the fourth opening 90d and the fifth opening 90e, and the selection is arbitrary. For example, blocking the third opening 90c to allow only fluid F to pass through the fluid guide 90 through the fourth opening 90d and the fifth opening 90e; or blocking the fifth opening 90e and allowing only the fluid F to pass through the third opening 90c and The fourth opening 90d is used to penetrate the fluid guiding device 90; or the fourth opening 90d is blocked, and only the fluid F is allowed to penetrate the fluid guiding device 90 through the third opening 90c and the fifth opening 90e.

In the above combination, as shown in FIGS. 2A, 3, 5A, 5B, 7, and 9, the first opening 90a and the fifth opening 90e may be configured such that one of them is the inlet of the fluid guiding device 90, and the other is the fluid guiding device. 90, so that the fluid F at the first opening 90a and the fifth opening 90e have opposite flow directions and are suitable for communicating with the two channels of the expansion valve 91 respectively. Correspondingly, the third opening 90c and the fourth opening 90d are both the outlet or the inlet of the fluid guiding device 90, and the flow direction of the fluid F at the third opening 90c and the fourth opening 90d is the same as the flow direction of the fluid F at the second opening 90b. The flow direction is opposite.

In the embodiment shown in FIG. 9, the second opening 90b is the outlet of the fluid guiding device 90, which communicates with the through hole 921a as the inlet of the heat exchanger 92; the third opening 90c and the fourth opening 90d are the fluid guiding device The inlet of the heat exchanger 90 communicates with the through hole 921a which is the outlet of the heat exchanger 92 .

In the embodiment not shown in the drawings, the first opening 90a and the fifth opening 90e may also be configured as the inlet or the outlet of the fluid guiding device 90 .

In a more specific embodiment, as shown in Figures 2A, 2B, 2C, 3 and Figures 7, 8, 9, 10, the fluid directing device 90 includes a block 900, which preferably has six surfaces in space , each surface faces one side of the block 900 in space; the block 900 may also be a spatial structure with more than six surfaces. The block 900 has an intermediate cavity 90f, a first opening 90a and a fifth opening 90e; wherein, the intermediate cavity 90f is arranged inside the block 900, as shown in FIGS. 2A and 7 , the first opening 90a and the fifth opening 90e are located in the block On the first surface 900a of 900, the first surface 900a may not be flat, and may include a protruding portion as shown in FIGS. 2A and 7, on which the first opening 90a and the fifth opening 90e are formed. Such a design enables the first opening 90a and the fifth opening 90e to be located on the same side of the block 900, so as to be suitable for connection with the expansion valve 91 or an external pipeline. The expansion valve 91 may be directly mounted on the first surface 900 a of the block 900 .

In a not-shown embodiment, the first opening 90a and the fifth opening 90e may also be located on the outer side of the block 900, for example, the side toward which the first surface 900a faces.

In the embodiments shown in FIGS. 2A, 2B, 2C, 3, 4, 5A, 5B, 6A, and 6B, the block 900 further has a third opening 90c, a fourth opening 90d and a second opening 90b; wherein, as shown in FIG. As shown in 2A, the third opening 90c , the fourth opening 90d and the second opening 90b are located on the second surface 900b of the block 900 .

As shown in FIG. 7 , the third opening 90c, the fourth opening 90d and the second opening 90b are located on the outer side of the block 900, for example, the side facing the second surface 900b.

Continuing to refer to FIG. 2A , the first surface 900 a and the second surface 900 b are two adjacent surfaces of the block 900 . More specifically, the first surface 900a and the second surface 900b are two surfaces of the block 900 that are perpendicular to each other in space.

In the embodiments shown in FIGS. 7, 8, 9, and 10, the fluid guiding device 90 further includes a first tube 901, a second tube 902 and a third tube 903; one end of the first tube 901 has a second opening 90b, and the other One end is connected with the block 900 and communicated with the first opening 90a; one end of the second pipe 902 has a third opening 90c, the other end is connected with the block 900 and communicated with the middle cavity 90f; one end of the third pipe 903 has a fourth opening 90d, the other end is connected with the block 900 and communicated with the intermediate cavity 90f. Such a design can reduce the volume of the block 900 and allow greater flexibility in the arrangement of the openings of the fluid guiding device 90 .

3, 5B, the fluid guiding device 90 has a main flow channel 1, a first flow section 2, a second flow section 3 and a third flow section 4; wherein, the main flow channel 1 communicates the first opening 90a and the second opening 90b, and does not Connected with the middle cavity 90f; the first flow section 2 is connected and communicated with the third opening 90c and the middle cavity 90f respectively; the second flow section 3 is connected with and communicated with the fourth opening 90d and the middle cavity 90f respectively; the third flow section 4 is connected with and communicated respectively The fifth opening 90e and the intermediate cavity 90f. This design makes the structure of the fluid guiding device 90 compact, the middle cavity 90f and the third opening 90c, the fourth opening 90d and the second opening 90b are all formed on the block 900, and no additional design is required to communicate the middle cavity 90f and the third opening 90c , the pipeline of the fourth opening 90d and the second opening 90b.

2C, 3, the main channel 1 has a main port section 11 and a secondary port section 12 that are connected and communicated with each other, wherein the secondary port section 12 is connected and communicated with the first opening 90a, and the main port section 11 is connected with the second opening 90b The first flow section 2 includes a first port section 21 and a first communication section 22, and the first port section 21 is connected and communicated with the third opening 90c; the second flow section 3 includes a second port section 31 and a second communication section 32, the second port section 31 is connected and communicated with the fourth opening 90d; the first communication section 22 is connected and communicated with the first port section 21 and the intermediate cavity 90f respectively; the second communication section 32 is connected with the second port section 31 and the intermediate cavity 90f are connected and connected separately.

2C, 3, the main port section 11, the second opening 90b, the third opening 90c, the fourth opening 90d, the first port section 21, the first communication section 22, the second port section 31, the second communication section 32 and The intermediate chambers 90f are each divided into two parts by the first section A-A of the fluid guiding device 90 . The first section A-A is a plane. Such a design enables the openings and internal pipelines of the fluid guiding device 90 to be distributed on the first section A-A, thereby helping to reduce the thickness of the fluid guiding device 90 in a direction perpendicular to the first section A-A.

More specifically, the first section A-A may be parallel to the centerlines of the main port section 11 , the first port section 21 , the first communication section 22 , the second port section 31 , and the second communication section 32 , respectively.

Further, as shown in Figures 2C and 3, the first section A-A coincides with the centerlines of the main port section 11, the first port section 21, the first communication section 22, the second port section 31, and the second communication section 32; correspondingly Ground, the main mouth section 11, the second opening 90b, the third opening 90c, the fourth opening 90d, the first mouth section 21, the first communication section 22, the second mouth section 31, the second communication section 32 and the intermediate cavity 90f are all Divided into two equal parts by the first section A-A of the fluid guiding device 90 .

As shown in FIG. 5B, the first opening 90a, the fifth opening 90e, the main port section 11, the auxiliary port section 12, the intermediate cavity 90f and the third flow section 4 are divided into two parts by the second section C-C of the fluid guiding device 90; The two parts may be equal parts.

As shown in FIG. 5A, the fifth opening 90e, the third flow section 4, the intermediate cavity 90f, the first communication section 22 and the second communication section 32 are all divided into two parts by the third section B-B of the fluid guiding device 90; the two parts Can be two equal parts.

In the above embodiments, the second section C-C and the third section B-B are respectively perpendicular to the first section A-A. The second section C-C and the third section B-B are perpendicular to each other. Both the second section C-C and the third section B-B are planes. The intermediate cavity 9Of is located at the intersection of the first section A-A, the second section C-C, and the third section B-B. The center of the intermediate cavity 90f is the intersection of the first section A-A, the second section C-C, and the third section B-B.

Continuing to refer to FIGS. 3 and 9 , the flow of fluid F in the first flow section 2 and the second flow section 3 is equal. The flow refers to the distance that the fluid F flows in the corresponding flow section, and in this embodiment, refers to the distance from the intermediate cavity 90f to the corresponding opening. Such a design enables the pressure losses suffered by the fluid F flowing in the first flow section 2 and the second flow section 3 to tend to be equal. In order to achieve an equal flow, the first flow section 2 and the second flow section 3 can be symmetrically distributed on both sides of the intermediate cavity 90f. More specifically, the second section C-C divides the intermediate chamber 9Of into two equal parts, about which the first flow section 2 and the second flow section 3 are symmetrical.

3, in a specific embodiment, the main port section 11 is parallel to the first port section 21 and the second port section 31; the first communication section 22 and the second communication section 32 extend along the same straight line L-L, the straight line L-L The centerlines of the first communication section 22 and the second communication section 32 may be coincident; the first port section 21 is perpendicular to the first communication section 22 ; and/or the second port section 31 is perpendicular to the second communication section 32 . The auxiliary port section 12 is perpendicular to the main port section 11 ; the auxiliary port section 12 is parallel to the third flow section 4 ; the third flow section 4 is perpendicular to the first communication section 22 and the second communication section 32 . These features alone or in combination make the block 900 compact.

The embodiment of the present invention also discloses a method for manufacturing the fluid guiding device 90, which includes a method for forming an intermediate cavity 90f inside the block 900, namely:

A first opening 90a is determined on the block 900; the first opening 90a is related to the installation position of the expansion valve 91 or the connection position of the external pipeline. Before the manufacturing process of the block 900 begins, the first opening 90a may be identified in the three-dimensional drawing.

A secondary port section 12 communicating with the first opening 90a is machined inside the block 900; the machining process may be machining. The secondary port section 12 is shown in FIGS. 5B and 12 .

A fifth opening 90e is determined on the block 900; the fifth opening 90e is related to the installation position of the expansion valve 91 or the connection position of the external pipeline. The fifth opening 90e may be identified in the three-dimensional drawing before the manufacturing process of the block 900 begins.

The third flow section 4 communicating with the fifth opening 90e is machined inside the block 900; the machining process may be machining. The third flow segment 4 is shown in FIGS. 5A , 5B, 11 and 12 .

Process openings 5 are defined on block 900; process openings 5 are shown in FIGS. 2A, 3, 5A, 6A, 6B, and FIG. 11 . Before the manufacturing process of the block 900 begins, the process openings 5 may be identified in the three-dimensional drawing. The process opening 5 is preferably provided on the third side 900c of the block 900, the third side 900c is adjacent to the first surface 900a and the second surface 900b, respectively, and further, the first surface 900a, the second surface 900b and the third surface The side surfaces 900c are perpendicular to each other.

A process channel 6 communicating with the process opening 5 is machined inside the block 900, wherein the process channel 6 is communicated with the third flow section 4 to form an intermediate cavity 90f. The machining process may be machining. Process channel 6 is shown in FIG. 3 , FIG. 5A , FIG. 6A , FIG. 6B , FIG. 11 . Further, as shown in FIG. 11 , the process channel 6 may penetrate the block 900 . As shown in FIG. 3 , the process channel 6 can also be stopped inside the block 900 in the extending direction. Process channel 6 extends inside block 900 along line L-L.

As shown in FIGS. 3 and 5B , the manufacturing method of the fluid guiding device 90 includes defining a second opening 90 b on the block 900 ; The machining process may be machining. The second opening 90b may be identified in the three-dimensional drawing before the manufacturing process of the block 900 begins. The main port section 11 may be perpendicular to the secondary port section 12 .

For the block 900 shown in FIGS. 2A and 3 , the method of manufacturing the fluid guiding device further includes,

A third opening 90c and a fourth opening 90d are defined on the block 900; the third and

fourth openings

90c and 90d may be identified in a three-dimensional drawing before the manufacturing process of the block 900 begins.

Inside the block 900, a first port section 21 that communicates with the third opening 90c is machined.

A second port section 31 that communicates with the fourth opening 90 d is processed inside the block 900 ; wherein, the second port section 31 is parallel to the first port section 21 and parallel to the main port section 11 .

In the process of processing the process channel 6, the process channel 6 is first extended to communicate with one of the first port section 21 and the second port section 31, and then extended to communicate with the third flow section 4 to form the intermediate cavity 90f, and then It extends to communicate with the other one of the first port section 21 and the second port section 31 ; wherein, the extending direction of the process channel 6 is perpendicular to the second port section 31 , the first port section 21 and the main port section 11 .

The process channel 6 has a first communication section 22 connecting the first port section 21 and the intermediate cavity 90f, and has a second communication section 32 connecting the second port section 31 and the intermediate cavity 90f.

After the processing of the process channel 6 is completed, the process opening 5 can be sealed with a plug 7 . Specifically, the plug cover 7 can be welded with the inner wall of the process channel 6 .

Although the present invention is disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make possible changes and modifications without departing from the spirit and scope of the present invention. The content of the technical solution of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention, all fall within the protection scope defined by the claims of the present invention.

Claims

A fluid guiding device for guiding fluid (F), having a first opening (90a) and a second opening (90b), wherein the first opening (90a) communicates with the second opening (90b), to guide the fluid (F) through the fluid guiding device (90);

It is characterized in that the fluid guiding device (90) further has a third opening (90c), a fourth opening (90d), an intermediate cavity (90f) and a fifth opening (90e); the intermediate cavity (90f) is connected to the the third opening (90c), the fourth opening (90d) and the fifth opening (90e) are respectively communicated;

Wherein, at least two of the third opening (90c), the fourth opening (90d) and the fifth opening (90e) are used to guide the fluid (F) through the intermediate cavity (90f) ) through the fluid guide (90).
The fluid guiding device of claim 1, wherein the fluid guiding device (90) comprises a block (900) having the intermediate cavity (90f), the first An opening (90a) and the fifth opening (90e); wherein the intermediate cavity (90f) is provided inside the block (900), the first opening (90a) and the fifth opening (90e) ) on the first surface (900a) of the block (900).
The fluid guiding device of claim 2, wherein the block (900) further has the third opening (90c), the fourth opening (90d) and the second opening (90b) ;

Wherein, the third opening (90c), the fourth opening (90d) and the second opening (90b) are located on the second surface (900b) of the block (900).
The fluid guiding device of claim 3, wherein the first surface (900a) and the second surface (900b) are two adjacent surfaces of the block (900).
The fluid guiding device according to claim 2, wherein the fluid guiding device (90) further comprises a first tube (901), a second tube (902) and a third tube (903);

One end of the first tube (901) has the second opening (90b), and the other end of the first tube (901) is connected to the block (900) and to the first opening (90a) Communication; one end of the second pipe (902) has the third opening (90c), and the other end of the second pipe (902) is connected with the block (900) and with the intermediate cavity (90f) ) is connected; one end of the third pipe (903) has the fourth opening (90d), and the other end of the third pipe (903) is connected with the block (900) and with the intermediate cavity ( 90f) Connecting.
The fluid guiding device according to claim 1, characterized in that the fluid guiding device (90) has a main flow channel (1), a first flow section (2), a second flow section (3) and a third flow section ( 4);

The main flow channel (1) communicates with the first opening (90a) and the second opening (90b), and does not communicate with the intermediate cavity (90f); the first flow section (2) communicates with the second opening (90f). The three openings (90c) and the intermediate cavity (90f) are respectively connected and communicated; the second flow section (3) is respectively connected and communicated with the fourth opening (90d) and the intermediate cavity (90f); The third flow section (4) is respectively connected and communicated with the fifth opening (90e) and the intermediate cavity (90f).
The fluid guiding device according to claim 6, wherein the main channel (1) has a main port section (11) and a secondary port section (12) that are connected and communicated with each other, wherein the secondary port section ( 12) is connected and communicated with the first opening (90a), and the main port section (11) is connected and communicated with the second opening (90b);

The first flow section (2) includes a first port section (21) and a first communication section (22), and the first port section (21) is connected and communicated with the third opening (90c); the first port section (21) is in communication with the third opening (90c). The second flow section (3) includes a second port section (31) and a second communication section (32), the second port section (31) is connected and communicated with the fourth opening (90d); the first communication section The section (22) is connected and communicated with the first port section (21) and the intermediate cavity (90f) respectively; the second communication section (32) is connected with the second port section (31) and the intermediate cavity (90f). The cavities (90f) are connected and communicated, respectively.
The fluid guiding device according to claim 7, characterized in that the main port section (11), the second opening (90b), the third opening (90c), the fourth opening (90d) , the first port section (21), the first communication section (22), the second port section (31), the second communication section (32) and the intermediate cavity (90f) are all The first section (A-A) of the fluid guiding device (90) is divided into two parts; and/or

The first opening (90a), the fifth opening (90e), the main port section (11), the secondary port section (12), the intermediate cavity (90f) and the third flow section (4) each is divided into two parts by the second section (C-C) of the fluid guiding device (90); and/or

The fifth opening (90e), the third flow section (4), the intermediate cavity (90f), the first communication section (22) and the second communication section (32) are all covered by the The third section (B-B) of the fluid guiding device (90) is divided into two parts.
The fluid guiding device according to claim 6, characterized in that the flow of the fluid (F) in the first flow section (2) and the second flow section (3) is equal.
The fluid guiding device according to claim 9, wherein the first flow section (2) and the second flow section (3) are symmetrically distributed on both sides of the intermediate cavity (90f).
The fluid guiding device according to claim 7, wherein the main port section (11) is parallel to the first port section (21) and the second port section (31); the first communication The section (22) and the second communication section (32) extend along the same straight line (L-L); the first port section (21) is perpendicular to the first communication section (22); the second port section (31) is perpendicular to the second communication section (32); the secondary port section (12) is perpendicular to the main port section (11); the secondary port section (12) is parallel to the third flow section (4) ); the third flow section (4) is perpendicular to the first communication section (22) and the second communication section (32).
A method of manufacturing a fluid guiding device, comprising:

defining a fifth opening (90e) on the block (900);

A third flow section (4) connected and communicated with the fifth opening (90e) is machined inside the block (900);

defining a process opening (5) on the block (900);

A process channel (6) connected and communicated with the process opening (5) is machined inside the block (900), wherein the process channel (6) is extended to connect with the third flow section ( 4) Connect and communicate to form an intermediate cavity (90f).
The method of manufacturing a fluid guiding device according to claim 12, wherein:

defining a third opening (90c) and a fourth opening (90d) on the block (900);

A first port section (21) that is connected and communicated with the third opening (90c) is machined inside the block (900);

A second port section (31) that is connected and communicated with the fourth opening (90d) is machined inside the block (900);

In the process of processing the process channel (6), the process channel (6) is first extended to connect and communicate with one of the first port section (21) and the second port section (31). , and then extend to connect and communicate with the third flow section (4) to form the intermediate cavity (90f), and then extend to the first port section (21) and the second port section (31) one of the other is connected and connected;

Wherein, the process channel (6) has a first communication section (22) which is connected and communicated with the first port section (21) and the intermediate cavity (90f) respectively, and also has a first communication section (22) which is connected with the second port section. (31) A second communication section (32) that is respectively connected and communicated with the intermediate cavity (90f).
A thermal management assembly comprising a heat exchanger (92) and a fluid directing device (90) according to any one of claims 1 to 11, wherein the heat exchanger (92) is connected to the fluid The second opening (90b) of the guiding device (90) communicates with at least one of the third opening (90c) and the fourth opening (90d) of the fluid guiding device (90).
The thermal management assembly of claim 14, wherein the thermal management assembly (9) further comprises an expansion valve (91), wherein the expansion valve (91) is mounted on the fluid guiding device (90) On the block (900), the expansion valve (91) communicates with the first opening (90a) and the fifth opening (90e) of the fluid guiding device (90), respectively.