CN115900384A - Liquid-cooled heat exchange assembly - Google Patents

Abstract

The invention relates to a liquid-cooled heat exchange assembly. The liquid-cooled heat exchange assembly includes: heat exchange piece, heat transfer base and base plate, the heat transfer piece is used for the liquid medium cooling, the heat transfer base includes water conservancy diversion piece, feed liquor end, goes out the liquid end and crosses the sap cavity, cross the sap cavity with the feed liquor end reaches go out the liquid end intercommunication, the heat exchange piece with the cooperation is installed to the heat transfer base, the heat exchange piece with the water conservancy diversion piece will cross the sap cavity and separate for a plurality of runners that are used for the liquid medium to flow through in proper order, the base plate is used for sealing cross the sap cavity. Compared with the traditional liquid passing mode (the liquid medium directly enters the liquid cavity and flows out after contacting with the heat exchange fins), the liquid medium passing length of the liquid cavity is increased by dividing the plurality of flow channels, so that the contact area of the liquid medium and the heat exchange piece is increased, the liquid medium is more fully contacted with the heat exchange piece, the liquid medium is rapidly cooled, and the refrigerating effect of the liquid medium is ensured.

Description

Liquid-cooled heat exchange assembly

Technical Field

The invention relates to the technical field of heat dissipation, in particular to a liquid-cooled heat exchange assembly.

Background

With the development of heat dissipation technology, liquid-cooled heat dissipation devices have appeared. In the process of refrigerating the liquid medium by the traditional liquid cooling device, the flow channel structure of the traditional device is too simple, so that the liquid medium flows in the flow channel too fast, the liquid medium is not in sufficient contact with the heat exchange piece, and the liquid medium cannot be sufficiently refrigerated. Therefore, the traditional method has poor refrigeration effect on the liquid medium.

Disclosure of Invention

Therefore, it is necessary to provide a liquid-cooled heat exchange assembly for solving the problem of poor refrigeration effect of the conventional method on the liquid medium.

A liquid-cooled heat exchange assembly comprising:

the heat exchange piece is used for cooling the liquid medium;

the heat exchange base comprises a flow guide piece, a liquid inlet end and a liquid outlet end, a liquid passing cavity is arranged in the heat exchange base and is communicated with the liquid inlet end and the liquid outlet end, the heat exchange piece is installed and matched with the heat exchange base, the heat exchange piece is installed in the liquid passing cavity, and the heat exchange piece is matched with the flow guide piece to divide the liquid passing cavity into a plurality of flow channels for liquid media to flow through in sequence;

a substrate for sealing the liquid passing cavity.

In one embodiment, the heat exchange part comprises a heat exchange wall surface and a heat exchange top surface, the heat exchange top surface is connected with the heat exchange wall surface to form a plurality of heat exchange parts, and the heat exchange parts and the flow guide part are matched to form a plurality of flow channels for the liquid medium to sequentially flow through.

In one embodiment, the heat exchange base is provided with a first side wall and a second side wall, and the first side wall and the second side wall are used for connecting the flow guide piece.

In one embodiment, the flow guide member is provided with an installation concave portion and a pressing portion, the installation concave portion is in interference fit with the heat exchange top surface, the pressing portion is in pressing fit with one end of the heat exchange top surface, and the installation concave portion and the pressing portion are used for installation and assembly of the flow guide member and the heat exchange member.

In one embodiment, the flow guide part is connected to the bottom of the heat exchange base, one end of the flow guide part, which is close to the pressing part, is connected to the first side wall, a liquid passing gap is formed between one end of the flow guide part, which is far away from the pressing part, and the second side wall, and the liquid passing gap is used for communicating two adjacent flow passages.

In one embodiment, the liquid passing gaps are arranged on the same side of the liquid passing cavity and are used for communicating the flow passages on the same side.

In one embodiment, the liquid passing gaps are arranged on two corresponding sides of the liquid passing cavity and used for communicating the flow channels on two sides respectively.

In one embodiment, the heat exchange base is provided with more than one flow guide member, one end of each flow guide member is connected with the first side wall or the second side wall, and the adjacent flow guide members are respectively connected with the first side wall and the second side wall.

In one embodiment, one end of the flow guide piece, which is far away from the end connected with the first side wall or the second side wall, is in press fit with one end of the heat exchange wall surface.

In one embodiment, the heat exchange member further includes an extension portion, and an insertion portion is disposed at an end of the flow guide member away from the end connected to the first side wall or the second side wall, and the insertion portion is used for being inserted into and matched with the extension portion.

In one embodiment, liquid passing gaps are respectively formed between one end, extending into the liquid passing cavity, of the heat exchange wall surface and the bottom of the liquid passing cavity, and between one end, departing from the bottom of the liquid passing cavity, of the flow guide piece and the heat exchange top surface, and the liquid passing gaps are used for communicating two adjacent flow passages.

In one embodiment, the heat exchange piece is further provided with clamping portions, the clamping portions are located at two ends of the heat exchange piece, and the clamping portions are used for clamping the heat exchange base to limit movement of the heat exchange piece.

In one embodiment, the heat exchange member further comprises a heat exchange plate, one surface of the heat exchange plate is connected with the heat exchange top surface, and the other surface of the heat exchange plate is connected with the base plate.

In one embodiment, the heat exchange plate is provided with an installation part for installing the heat exchange piece on the heat exchange base.

In one embodiment, the heat exchange base and the mounting portion are provided with mounting holes matched with each other, the heat exchange plate is arranged on the heat exchange base through the mounting hole cover, and a sealing member is arranged between the heat exchange plate and the heat exchange base.

In one embodiment, the heat exchange base, the heat exchange piece and the flow guide piece are integrally formed.

When the liquid-cooled heat exchange assembly is used, the heat exchange piece and the heat exchange base are installed in a matched mode, the heat exchange piece and the flow guide piece can divide a liquid passing cavity in the heat exchange base into a plurality of flow channels, when liquid media enter the liquid passing cavity from the liquid inlet end of the heat exchange base, the liquid media sequentially flow through the flow channels, and the heat exchange piece can complete heat exchange and cooling of the liquid media. Compare in traditional liquid mode of crossing (liquid medium directly gets into and just flows out after liquid chamber and heat exchanger fin contact), the aforesaid is through dividing a plurality of runners, liquid medium has increased the length that overflows of liquid chamber, thereby liquid medium and the area of contact of heat exchange piece have been increased, make liquid medium and the contact of heat exchange piece more abundant, reach the liquid medium cooling rapidly, improve the refrigerated effect to liquid medium, the liquid medium that finally has cold volume flows from the play liquid end of heat exchange base, and circulation flow to load, accomplish the cooling to load.

Drawings

FIG. 1 illustrates a schematic diagram of a liquid cooled heat exchange assembly in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of another embodiment;

FIG. 3 is a schematic structural diagram of another embodiment;

FIG. 4 is a schematic structural view and a sectional view of another embodiment;

FIG. 5 is a schematic structural view and a sectional view of another embodiment;

FIG. 6 is a schematic structural view and a sectional view of another embodiment;

FIG. 7 is a schematic structural view of a heat exchange member according to an embodiment;

fig. 8 is a schematic structural diagram and a sectional view of another embodiment.

10. A liquid-cooled heat exchange assembly; 20. a liquid passing gap; 30. a seal ring; 40. mounting holes; 50. a mounting member; 60. a labyrinth structure; 100. a heat exchange base; 110. a liquid passing cavity; 120. a flow guide member; 121. a mounting recess; 122. a pressing part; 123. a plug-in part; 130. a liquid inlet end; 140. a liquid outlet end; 150. a first side wall; 160. a second side wall; 200. a heat exchange member; 210. a heat exchange top surface; 220. a heat exchange wall surface; 221. a first corrugated surface; 222. a second corrugated surface; 230. a clamping part; 240. a liquid passing concave part; 250. an extension portion; 260. a heat exchange plate; 261. an installation part; 300. a substrate.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to FIG. 1, in one embodiment, the liquid-cooled heat exchange assembly 10 includes: heat exchange piece 200, heat exchange base 100 and base plate 300, heat exchange piece 200 is used for the liquid medium cooling, heat exchange base 100 includes water conservancy diversion piece 120, inlet end 130 and goes out liquid end 140, be equipped with liquid chamber 110 in the heat exchange base 100, cross liquid chamber 110 with inlet end 130 and go out liquid end 140 intercommunication, heat exchange piece 200 with heat exchange base 100 installation cooperation, heat exchange piece 200 install in cross liquid chamber 110, heat exchange piece 200 with water conservancy diversion piece 120 will cross liquid chamber 110 and separate for a plurality of runners that are used for the liquid medium to flow through in proper order, base plate 300 is used for sealing cross liquid chamber 110.

When the liquid-cooled heat exchange assembly 10 is used, the heat exchange piece 200 and the heat exchange base 100 are firstly installed in a matched mode, at the moment, the liquid passing cavity 110 in the heat exchange base 100 is divided into a plurality of flow channels by the heat exchange piece 200 and the flow guide piece 120, when a liquid medium enters the liquid passing cavity 110 from the liquid inlet end 130 of the heat exchange base 100, the liquid medium sequentially flows through the flow channels, and the heat exchange piece 200 can complete heat exchange and temperature reduction on the liquid medium. Compared with the traditional liquid passing mode (the liquid medium directly enters the liquid passing cavity 110 and then flows out after contacting with the heat exchange fins), the liquid medium passing through the liquid passing cavity 110 is increased in overflowing length through dividing the plurality of flow channels, so that the contact area between the liquid medium and the heat exchange piece 200 is increased, the liquid medium is more fully contacted with the heat exchange piece 200, the liquid medium is rapidly cooled, the effect of refrigerating the liquid medium is improved, the liquid medium with cold quantity finally flows out from the liquid outlet end 140 of the heat exchange base 100 and circularly flows to a load, and the cooling of the load is completed.

Specifically, the base plate 300 may be made of metal, ceramic or metalized ceramic material, and further, in some embodiments, the base plate 300 is further provided with a mounting hole, and the base plate is provided on the heat exchange base in cooperation with the mounting hole cover for sealing the liquid passing cavity 110.

Referring to fig. 1 and 2, in one embodiment, the heat exchange element 200 is provided with a heat exchange wall surface 220 and a heat exchange top surface 210, the heat exchange top surface 210 and the heat exchange wall surface 220 are connected to form a plurality of heat exchange portions, and the heat exchange portions and the flow guide element 120 cooperate to form a plurality of flow channels through which the liquid medium sequentially flows. Specifically, the heat exchange wall surface 220 includes a first corrugation surface 221 and a second corrugation surface 222, and the first corrugation surface 221 and the second corrugation surface 222 are respectively located on two sides of the heat exchange top surface 210. Meanwhile, according to the installation requirement, a liquid passing concave part 240 for installing and matching with the flow guide member can be formed between the heat exchange wall surface 220 and the heat exchange top surface 210 in a matching manner.

Or, the number of the heat exchange wall surfaces 220 may be two or more, the number of the heat exchange top surfaces 210 is one, the heat exchange wall surfaces 220 are arranged on the heat exchange top surfaces 210 at intervals, the heat exchange top surfaces 210 are connected with the heat exchange wall surfaces 220 to form a plurality of heat exchange portions, the number of the flow guide members 120 is the same as that of the heat exchange portions, the plurality of flow guide members 120 form a labyrinth structure 60 in the liquid passing cavity, and the heat exchange portions and the flow guide members 120 are installed and matched to form a plurality of flow channels through which liquid media sequentially pass. The two connection modes increase the contact area between the heat exchange piece 200 and the liquid medium, and ensure the refrigeration effect of the liquid cooling type heat exchange assembly on the liquid medium. According to the actual situation, the connection mode between any one of the heat exchange wall surfaces 220 and the heat exchange top surface 210 can be selected, so that the installation flexibility of the heat exchange member 200 and the heat exchange base 100 is improved.

Referring to fig. 2, in one embodiment, the heat exchange base 100 is provided with a first sidewall 150 and a second sidewall 160, and the first sidewall 150 and the second sidewall 160 are used for connecting the flow guide 120. Specifically, the first sidewall 150 and the second sidewall 160 are two sidewalls opposite to the heat exchange base 100.

Referring to fig. 1 and 2, in one embodiment, the flow guiding element 120 is provided with an installation recess 121 and a pressing portion 122, the installation recess 121 is in interference fit with the heat exchanging top surface 210, the pressing portion 122 is in pressing fit with one end of the heat exchanging top surface 210, and the installation recess 121 and the pressing portion 122 are used for installation and fit of the flow guiding element 120 and the heat exchanging element 200. Specifically, the length of the installation concave portion 121 is equivalent to the length of the heat exchange top surface 210, and the pressing portion 122 may be a convex portion or a protrusion formed by processing the flow guide member 120, which is beneficial to ensuring the pressing effect of the flow guide member 120 on the heat exchange top surface 210, so as to effectively limit the movement of the heat exchange member 200, and ensure the structural stability of the liquid-cooled heat exchange assembly 10, further, the contour shape of the pressing portion 122 may be designed according to actual conditions, for example: arc, right angle shape, and the height (promptly mounting height) of pressing part 122 is equivalent with heat transfer top surface 210's thickness, is favorable to guaranteeing heat transfer piece 200 and water conservancy diversion piece 120 installation complex laminating effect, has guaranteed the leakproofness of runner to the refrigeration effect of liquid-cooled heat exchange assemblies 10 to liquid medium has been guaranteed.

Referring to fig. 1 and 2, in one embodiment, the flow guiding element 120 is connected to the bottom of the heat exchange base 100, one end of the flow guiding element 120 close to the pressing portion 122 is connected to the first sidewall 150, one end of the flow guiding element 120 far from the pressing portion 122 and the second sidewall 160 are provided with a liquid passing gap 20, and the liquid passing gap 20 is used for communicating two adjacent flow passages. Specifically, the size of the liquid passing gap 20 is designed and adjusted according to the actual liquid flow size, for example, when the flow rate of the liquid medium is large, the liquid passing gap 20 may be designed to be a large gap through which the liquid medium can pass with relatively small resistance, when the flow rate of the liquid medium is small, the liquid passing gap 20 may be designed to be a small gap, and the small gap may be set to increase the contact area between the liquid medium and the heat exchange member 200, so as to ensure the refrigeration effect of the liquid-cooled heat exchange assembly 10 on the liquid medium.

In one embodiment, as shown in fig. 1 and fig. 2, the liquid passing gaps 20 are all disposed on the same side of the liquid passing cavity 110, and are used for communicating the flow channels on the same side. Specifically, the flow channels are distributed on two sides of the flow guide member 120, and the liquid passing gap 20 communicates the liquid medium flowing through the flow channels on the two sides, which is beneficial to extending the flow path of the liquid medium and ensuring the refrigeration effect of the liquid-cooled heat exchange assembly 10 on the liquid medium.

Referring to fig. 1 and 2, in one embodiment, the liquid passing gaps 20 are disposed on two corresponding sides of the liquid passing cavity 110, and are used for communicating the flow channels on two sides, respectively. Specifically, the two corresponding sides of the liquid passing cavity 110 are two opposite sides located in the liquid passing cavity 100 and respectively close to the first side wall 150 and the second side wall 160, and the liquid passing gaps 20 are sequentially and separately arranged on the two corresponding sides at intervals, so that the liquid medium can circularly flow in the flow channel, the flow path of the liquid medium is lengthened, and the refrigeration effect of the liquid-cooled heat exchange assembly 10 on the liquid medium is favorably ensured.

Referring to fig. 5, in one embodiment, the heat exchange base 100 is provided with more than one flow guiding element 120, one end of the flow guiding element 120 is connected to the first sidewall 150 or the second sidewall 160, and the adjacent flow guiding elements 120 are respectively connected to the first sidewall 150 and the second sidewall 160. Specifically, the above-mentioned adjacent flow guide members 120 are respectively connected to the first side wall 150 and the second side wall 160, which means that the flow guide members 120 are sequentially connected in a cycle manner in an order of "connecting to the first side wall 150, connecting to the second side wall 160, and connecting to the first side wall 150", so that the flow guide members 120 are arranged at two sides in the liquid passing chamber, and a space is left for the heat exchange member 200 to be installed between the flow guide members 120 at two sides.

Referring to fig. 5, in one embodiment, an end of the flow guiding element 120 away from the end connected to the first sidewall 150 or the second sidewall 160 is in press fit with an end of the heat exchanging wall 220. Specifically, water conservancy diversion piece 120 is installed on heat exchange base 100 bottom, the one end and first lateral wall 150 or second lateral wall 160 of water conservancy diversion piece 120 are connected, the connected mode is welding, integrated into one piece etc., and one section and first lateral wall 150 or second lateral wall 160 junction of water conservancy diversion piece 120 are the angle setting, can be the right angle, or be equipped with circular arc chamfer structure, furthermore, the other one end of water conservancy diversion piece 120 supports with the terminal surface of the one end of heat transfer wall 220 and presses mutually, support the pressure to the terminal surface of heat transfer wall 220 simultaneously through arranging water conservancy diversion piece 120 of crossing in the liquid chamber 110 both sides, be favorable to guaranteeing the stability of heat transfer 200 and heat exchange base 100 installation.

Referring to fig. 6, in one embodiment, the heat exchanging element 200 further includes an extending portion 250, and an end of the flow guiding element 120 away from the end connected to the first side wall 150 or the second side wall 160 is provided with a plug portion 123, where the plug portion 123 is used for being plugged and matched with the extending portion 250. Specifically, the extension portion 250 is a portion where one end of the heat exchange wall surface 220 protrudes, the extension portion 250 is disposed at one end of a different heat exchange wall surface 220 of the heat exchange member 200 at an interval, further, one end of the flow guide member 120 is connected to the first side wall 150 or the second side wall 160, the plug-in portion 123 is another end of the flow guide member 120, the plug-in portion 123 is a groove portion where the flow guide member 120 is used for the extension portion 250 to be arranged in a plug-in manner, the number of the extension portions 250 is the same as that of the plug-in portion 123, and the positions of the extension portions 250 and the plug-in portions 123 are corresponding to each other, and the above structure is favorable for improving the reliability of the installation of the heat exchange member 200 and the heat exchange base 100.

Referring to fig. 3 and 4, in one embodiment, the heat exchange wall 220 extends between one end of the liquid passing cavity 110 and the bottom of the liquid passing cavity 110, and one end of the flow guide 120 away from the bottom of the liquid passing cavity 110 and the heat exchange top surface 210 are both provided with liquid passing gaps 20, and the liquid passing gaps 20 are used for communicating two adjacent flow passages. Specifically, one end of the heat exchange wall 220 extending into the liquid passing cavity 110 is the end far away from the connection end of the heat exchange wall 220 and the heat exchange top surface 210, one end of the flow guide member 120 departing from the bottom of the liquid passing cavity 110 is the end far away from the connection end of the flow guide member 120 and the bottom of the liquid passing cavity 110, and the liquid passing gaps 20 are respectively and sequentially arranged at the two ends at intervals, so that the liquid medium flows up and down as shown in fig. 4, the flow path of the liquid medium is lengthened, and the refrigeration effect of the liquid-cooled heat exchange assembly 10 on the liquid medium is favorably ensured.

Referring to fig. 4, in one embodiment, the heat exchanging element 200 is further provided with a clamping portion 230, the clamping portion 230 is located at two ends of the heat exchanging element 200, and the clamping portion 230 is used for clamping the heat exchanging base 100 to limit the movement of the heat exchanging element 200. Specifically, joint portion 230 is joint board, joint piece etc. and joint portion 230 and heat exchange base 100 joint interference fit are favorable to restricting rocking of heat transfer 200 during operation, guarantee the stability of liquid cold type heat exchange assembly work.

Referring to fig. 4 and 7, in one embodiment, the heat exchanging element 200 further includes a heat exchanging plate 260, one surface of the heat exchanging plate 260 is connected to the heat exchanging top surface 210, and the other surface of the heat exchanging plate 260 is connected to the base plate 300. Specifically, one surface of the heat exchange plate 260 is connected to the heat exchange top surface 210, and the other surface of the heat exchange plate 260 is connected to the base plate 300 by welding, bonding, or the like.

Referring to fig. 3, 4, and 7, in one embodiment, a mounting portion 261 for mounting the heat exchanging element 200 on the heat exchanging base 100 is disposed on the heat exchanging plate 260, the heat exchanging base 100 and the mounting portion 261 are both provided with mounting holes 40, the heat exchanging plate 260 is covered on the heat exchanging base 100 through the mounting holes 40, and a sealing member is disposed between the heat exchanging plate 260 and the heat exchanging base 100. Specifically, the installation part 261 is connected to the heat exchange base 100 through the installation part 50, the installation part 50 is a nut, a pin, etc., the connection mode of the installation part 261 and the heat exchange base 100 is a threaded connection, a pin connection, etc., and the sealing member 30 is installed between the heat exchange plate 260 and the heat exchange base 100, which is beneficial to ensuring the sealing performance of the liquid-cooled heat exchange assembly 10, and the sealing member 30 may be natural rubber, silica gel, etc.

Referring to fig. 8, in one embodiment, the heat exchange base, the heat exchange member and the flow guide member are integrally formed. Specifically, the heat exchange base and the heat exchange piece are designed integrally, a flow channel for liquid medium circulation is arranged in the integrally formed liquid cooling type heat exchange assembly, the integrally formed liquid cooling type heat exchange assembly is favorable for improving the compactness of the structure of the liquid cooling type heat exchange assembly, and the refrigerating effect of the liquid cooling type heat exchange assembly is guaranteed.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (16)

1. A liquid-cooled heat exchange assembly, comprising:

the heat exchange piece is used for cooling the liquid medium;

the heat exchange base comprises a flow guide piece, a liquid inlet end and a liquid outlet end, a liquid passing cavity is arranged in the heat exchange base and is communicated with the liquid inlet end and the liquid outlet end, the heat exchange piece is installed and matched with the heat exchange base, the heat exchange piece is installed in the liquid passing cavity, and the heat exchange piece is matched with the flow guide piece to divide the liquid passing cavity into a plurality of flow channels for liquid media to flow through in sequence;

a substrate for sealing the liquid passing cavity.

2. The liquid-cooled heat exchange assembly according to claim 1, wherein the heat exchange member includes a heat exchange wall surface and a heat exchange top surface, the heat exchange top surface and the heat exchange wall surface are connected to form a plurality of heat exchange portions, and the heat exchange portions and the flow guide member cooperate to form a plurality of flow channels for the liquid medium to flow through in sequence.

3. The liquid cooled heat exchange assembly as claimed in claim 2, wherein the heat exchange base is provided with a first side wall and a second side wall for connecting the deflector.

4. The liquid-cooled heat exchange assembly as claimed in claim 3, wherein the flow guide member is provided with a mounting recess and a pressing portion, the mounting recess is in interference fit with the heat exchange top surface, the pressing portion is in press fit with one end of the heat exchange top surface, and the mounting recess and the pressing portion are used for mounting and fitting the flow guide member and the heat exchange member.

5. The liquid-cooled heat exchange assembly as claimed in claim 4, wherein the flow guiding member is connected to the bottom of the heat exchange base, and one end of the flow guiding member near the pressing portion is connected to the first side wall, and one end of the flow guiding member far from the pressing portion is provided with a liquid passing gap with the second side wall, and the liquid passing gap is used for communicating two adjacent flow passages.

6. The liquid-cooled heat exchange assembly as claimed in claim 5, wherein the liquid-passing gaps are all provided on the same side of the liquid-passing chamber for communicating the flow passages on the same side.

7. The liquid-cooled heat exchange assembly according to claim 5, wherein the liquid-passing gaps are provided on respective sides of the liquid-passing chamber for communicating the flow passages on both sides, respectively.

8. The liquid-cooled heat exchange assembly as claimed in claim 3, wherein the heat exchange base is provided with one or more flow deflectors, one end of each flow deflector is connected to the first side wall or the second side wall, and adjacent flow deflectors are connected to the first side wall and the second side wall respectively.

9. The liquid-cooled heat exchange assembly as claimed in claim 8, wherein an end of the deflector remote from the end connected to the first or second side wall is in pressing engagement with an end of the heat exchange wall.

10. The liquid cooled heat exchange assembly of claim 8, wherein the heat exchange element further comprises an extension portion, and an end of the flow guiding element remote from the end connected to the first or second side wall is provided with a plug portion for plug-fit engagement with the extension portion.

11. The liquid-cooled heat exchange assembly as claimed in claim 2, wherein the heat exchange wall surface extends between an end of the liquid passing cavity and the bottom of the liquid passing cavity and an end of the flow guide facing away from the bottom of the liquid passing cavity and the heat exchange top surface are provided with liquid passing gaps for communicating two adjacent flow passages.

12. The liquid-cooled heat exchange assembly as claimed in claim 11, wherein the heat exchange element is further provided with clamping portions, the clamping portions are located at two ends of the heat exchange element, and the clamping portions are used for clamping the heat exchange base to limit movement of the heat exchange element.

13. The liquid cooled heat exchange assembly as claimed in any one of claims 2 to 12, wherein the heat exchange element further comprises a heat exchange plate, one side of the heat exchange plate being connected to the heat exchange top surface and the other side of the heat exchange plate being connected to the base plate.

14. The liquid-cooled heat exchange assembly as claimed in claim 13, wherein the heat exchange plate has a mounting portion for mounting the heat exchange member to the heat exchange base.

15. The liquid-cooled heat exchange assembly as claimed in claim 14, wherein the heat exchange base and the mounting portion are provided with mounting holes, the heat exchange plate is provided on the heat exchange base through the mounting hole cover, and a sealing member is provided between the heat exchange plate and the heat exchange base.

16. The liquid-cooled heat exchange assembly as claimed in claim 1, wherein the heat exchange base, the heat exchange member and the flow guiding member are integrally formed.

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