CN-224234186-U - Water-cooling heat dissipation assembly and vehicle machine applying same

CN224234186UCN 224234186 UCN224234186 UCN 224234186UCN-224234186-U

Abstract

The utility model discloses a water cooling assembly and a vehicle machine using the same, wherein the water cooling assembly comprises a middle frame, and a cavity is arranged in the middle frame; the water inlet and the water outlet, the diversion component is provided with a plurality of groups of radiating fins close to the water inlet and the water outlet, the radiating fins are arranged in the cavity, and the adjacent radiating fins or the radiating fins and the inner wall of the cavity form a radiating runner. The vehicle machine comprises a water cooling assembly, a PCB (printed circuit board) is fixed on the back surface of the water cooling assembly, a chip is fixed on the PCB, and the chip corresponds to the shielding cavity in the water cooling assembly. According to the water-cooling heat dissipation assembly, the flow guide component is arranged, so that the heat dissipation medium can be divided into a plurality of branches, the branches respectively enter different heat dissipation channels, the heat dissipation medium can be uniformly distributed in each heat dissipation channel, the chips of the vehicle can be effectively dissipated, the performance of the chips of the vehicle can be guaranteed, and the risk of high-temperature damage of the chips can be reduced.

Inventors

XU SHAOPING
LI PENGFEI
MENG XIAOHUI
ZHANG SHUYA
YIN JINCAI

Assignees

亿咖通(湖北)技术有限公司

Dates

Publication Date: 20260512
Application Date: 20250424

Claims (11)

1. The water-cooling heat dissipation assembly is characterized by comprising a middle frame, wherein a cavity for accommodating a heat dissipation medium is formed in the middle frame; The water inlet and the water outlet are used for the inlet and the outlet of a heat dissipation medium; The flow guide parts are provided with a plurality of groups of flow guide parts close to the water inlet and the water outlet, and branch passages are formed between the flow guide parts and the inner wall of the cavity; The radiating fins are arranged in the cavity, and adjacent radiating fins or radiating fins and the inner wall of the cavity form a radiating flow passage, wherein the radiating flow passage is communicated with the corresponding branch passage.
2. The water cooled heat sink assembly of claim 1 wherein the flow directing members are flow directing posts, the number of distribution of which is positively correlated with the distance of the flow directing post adjacent the fin from the water inlet or outlet in the region between the water inlet and the ends of the fin and the region between the water outlet and the ends of the fin.
3. The water cooled heat sink assembly of claim 1 wherein the flow directing members proximate the water inlet and the flow directing members proximate the water outlet are both provided in two sets, the flow directing members comprising a first set of flow directing members including one flow directing member and a second set of flow directing members including two flow directing members.
4. The water-cooled heat sink assembly of claim 1, wherein a retaining wall is disposed within the cavity, and wherein the plurality of sets of heat fins are disposed radially outwardly about the retaining wall.
5. The water cooled heat sink assembly of claim 4 wherein the plurality of heat fins are uniformly distributed about the wall in an annular shape, wherein the heat fins comprise two straight line segments and an arc segment connecting the two straight line segments.
6. The water cooled heat sink assembly of claim 4 wherein the plurality of sets of flow directing members and the plurality of sets of heat dissipating channels are symmetrically disposed about a central axis of the retaining wall.
7. The water cooled heat sink assembly of claim 1 wherein the middle frame has a plurality of heat dissipating bosses disposed on a side opposite the cavity.
8. The water-cooled heat sink assembly of claim 1 wherein the other side of the center opposite the cavity is provided with a shielding cavity, and the four corners of the inner wall of the shielding cavity are coated with conductive glue.
9. The water cooled heat sink assembly of claim 1 wherein a cover plate is secured over a surface of the cavity.
10. A vehicle comprising a water cooled heat sink assembly according to any one of claims 1-9; the back of the water cooling assembly is fixed with a PCB, a chip is fixed on the PCB, and the chip corresponds to the shielding cavity in the water cooling assembly.
11. The vehicle of claim 10, wherein a thermally conductive gel is disposed between the chip and a heat dissipating boss on a surface of the water cooled heat dissipating assembly.

Description

Water-cooling heat dissipation assembly and vehicle machine applying same Technical Field The utility model relates to the technical field of vehicle-mounted heat dissipation, in particular to a water-cooling heat dissipation assembly and a vehicle-mounted device using the same. Background Along with the development of automobile intellectualization, the application of the high-performance chip on the automobile is gradually wide, but the high-performance chip often brings high power consumption and high heat, and especially when the automobile is outdoors, the internal temperature of the high-performance chip is higher, so that the heat dissipation effect of the automobile is particularly important. In the related art, a water cooling heat dissipation scheme is adopted in the vehicle-mounted field so as to optimize the heat dissipation effect of the vehicle-mounted device and the internal chip. For example, a cooling fin is arranged in the water cooling cavity, and forms a complete water cooling flow channel with the water inlet and the water outlet, but at present, because of different flow resistances of different flow channels, partial flow channels cannot be filled with fluid, so that cooling water is insufficient, effective heat dissipation cannot be performed on a chip, and the chip cannot fully exert all performances, even the chip is damaged. Disclosure of utility model The utility model aims to solve the problems, and provides a water-cooling heat dissipation assembly and a vehicle machine using the same. The utility model adopts the following technical scheme for realizing the purposes: the water-cooling heat dissipation assembly comprises a middle frame, wherein a cavity for accommodating a heat dissipation medium is arranged in the middle frame; The water inlet and the water outlet are used for the inlet and the outlet of a heat dissipation medium; The flow guide parts are provided with a plurality of groups of flow guide parts close to the water inlet and the water outlet, and branch passages are formed between the flow guide parts and the inner wall of the cavity; The radiating fins are arranged in the cavity, and adjacent radiating fins or radiating fins and the inner wall of the cavity form a radiating flow passage, wherein the radiating flow passage is communicated with the corresponding branch passage. As a further description of the above technical solution, the flow guiding component is a flow guiding column, and the distribution number of the flow guiding columns in the area between the water inlet and the end of the heat dissipation fin and the area between the water outlet and the end of the heat dissipation fin is positively correlated with the distance between the flow guiding column close to the heat dissipation fin and the water inlet or the water outlet. As a further description of the above technical solution, two groups of flow guiding components are respectively disposed near the water inlet and near the water outlet, the flow guiding components include a first flow guiding component group and a second flow guiding component group, the first flow guiding component group includes one flow guiding component, and the second flow guiding component group includes two flow guiding components. As a further description of the above technical solution, a retaining wall is disposed inside the cavity, and a plurality of groups of the heat dissipation fins are radially arranged outward around the retaining wall. As a further description of the above technical solution, the plurality of heat dissipation fins are uniformly distributed around the retaining wall in a ring shape, wherein the heat dissipation fins include two straight line segments and an arc segment connecting the two straight line segments. As a further description of the above technical solution, the plurality of groups of the flow guiding members and the plurality of groups of the heat dissipation runners are symmetrically arranged with respect to the central axis of the retaining wall. As a further description of the above technical solution, a plurality of heat dissipation bosses are disposed on the other surface of the middle frame opposite to the cavity. As a further description of the technical scheme, a shielding cavity is formed in the other surface, opposite to the cavity, of the middle frame, and conductive adhesive is coated on four corners of the inner wall of the shielding cavity. As a further description of the above technical solution, a cover plate is fixed on the surface of the cavity in a covering manner. Designing a vehicle machine comprising the water-cooling heat dissipation assembly; the back of the water cooling assembly is fixed with a PCB, a chip is fixed on the PCB, and the chip corresponds to the shielding cavity in the water cooling assembly. As a further description of the above technical solution, a heat conducting gel is disposed between the chip and the heat dissipating boss on the surface of