CN-224205475-U - Liquid cooling radiator

Abstract

The liquid cooling radiator comprises a first liquid cooling piece, a second liquid cooling piece and a sealing assembly, wherein a first cavity for cooling liquid to circulate is formed in the first liquid cooling piece, a second cavity for cooling liquid to circulate is formed in the second liquid cooling piece, one end of the first liquid cooling piece is communicated with one end of the second liquid cooling piece so that the first cavity is communicated with the second cavity, and the sealing assembly is arranged between the first cavity and the second cavity so that the first cavity and the second cavity are communicated in a sealing mode. Compared with the prior art, the liquid cooling radiator provided by the utility model integrates the circulating pipeline and the radiating row, does not need to additionally arrange the circulating pipeline, and has a more compact structure and a smaller occupied volume. In addition, because the first cavity is in butt joint communication with the second cavity, the stress concentration area is fewer, and a sealing component is further arranged between the first cavity and the second cavity to seal, so that the risk of liquid leakage is greatly reduced.

Inventors

• WANG JIANTING
• YANG JUNFENG
• LIU JINJIE
• LI ZIHENG
• ZHANG ZHENWEI

Assignees

• 深圳市联明电源股份有限公司

Dates

Publication Date

20260505

Application Date

20250519

Claims (10)

1. 1. A liquid cooling radiator is characterized by comprising a first liquid cooling piece, a second liquid cooling piece and a sealing assembly, wherein a first cavity for cooling liquid to circulate is formed in the first liquid cooling piece, a second cavity for cooling liquid to circulate is formed in the second liquid cooling piece, one end of the first liquid cooling piece is communicated with one end of the second liquid cooling piece so that the first cavity is communicated with the second cavity, and the sealing assembly is arranged between the first cavity and the second cavity so that the first cavity and the second cavity are communicated in a sealing mode.
2. 2. The liquid cooled heat sink of claim 1 wherein the first cavity further has a plurality of axially extending straight grooves therein.
3. 3. The liquid cooling radiator according to claim 1, wherein a positioning protrusion is disposed at an end of the first cavity facing the second liquid cooling member, a positioning recess communicating with the second cavity is disposed at an end of the second liquid cooling member facing the first liquid cooling member, and the positioning recess and the positioning protrusion are mutually matched so that the first cavity is positioned and butted with and communicated with the second cavity.
4. 4. A liquid cooled heat sink according to claim 3 wherein the seal assembly comprises a seal member disposed between the locating projection and the locating recess such that the latter two sealingly engage, and a fastener extending through the second liquid cooled member and removably fixedly connected to the first liquid cooled member.
5. 5. The liquid cooled heat sink of claim 4 wherein the seal member further has a locating hole therethrough and a vent hole for venting the cooling fluid.
6. 6. The liquid cooled heat sink of claim 4 wherein the seal is a sealing gasket.
7. 7. The liquid cooled heat sink of claim 4 wherein the seal is a sealant layer.
8. 8. The liquid cooled heat sink of claim 4 wherein the seal is sheet metal with indentations and the seal is embedded in both the locating recess and the locating protrusion.
9. 9. The liquid-cooled radiator of claim 1, wherein the second cavity has a sealing plug at one end and a connector at the other end for connecting a coolant, and the first cavity has the connector at an end remote from the second cavity.
10. 10. The liquid cooling radiator of claim 1, wherein the number of the first liquid cooling pieces is two, the number of the second liquid cooling pieces is one, and one end of the first cavity of each of the two first liquid cooling pieces is respectively communicated with two ends of the second cavity of each of the second liquid cooling pieces in a sealing manner.

Description

Liquid cooling radiator Technical Field The utility model relates to the field of heat dissipation devices, in particular to a liquid cooling radiator. Background Liquid-cooled heat sinks utilize the high specific heat capacity characteristics of liquids to efficiently conduct and dissipate heat via flowing liquids. The liquid cooling radiator generally comprises a circulating pipeline for circulating cooling liquid and a heat radiation row, wherein the heat radiation row is sleeved on the circulating pipeline. In order to avoid devices that do not require heat dissipation and to dissipate heat precisely, the circulation line is generally arranged in a curved manner. With such an arrangement, the curved portion of the circulation line requires additional space, which increases the volume of the whole machine. Moreover, the stress of the bending part of the circulating pipeline is concentrated, and the risk of liquid leakage is high. The above disadvantages are to be improved. Disclosure of utility model In order to overcome the defects of the prior art, the utility model provides the liquid cooling radiator which does not need to be additionally provided with a circulating pipeline, and has more compact structure and small leakage risk. The liquid cooling radiator comprises a first liquid cooling piece, a second liquid cooling piece and a sealing assembly, wherein a first cavity for cooling liquid to circulate is formed in the first liquid cooling piece, a second cavity for cooling liquid to circulate is formed in the second liquid cooling piece, one end of the first liquid cooling piece is communicated with one end of the second liquid cooling piece so that the first cavity is communicated with the second cavity, and the sealing assembly is arranged between the first cavity and the second cavity so that the first cavity and the second cavity are communicated in a sealing mode. Compared with the prior art, the liquid cooling radiator provided by the utility model has the advantages that the first cavity for cooling liquid circulation is formed in the first liquid cooling piece, the second cavity for cooling liquid circulation is formed in the second liquid cooling piece, one end of the first liquid cooling piece is communicated with one end of the second liquid cooling piece, so that the first cavity is communicated with the second cavity, and meanwhile, the sealing assembly is arranged between the first cavity and the second cavity, so that the first cavity and the second cavity are communicated in a sealing way, and a sealing circulation channel for cooling liquid circulation is formed. Therefore, the first liquid cooling piece and the second liquid cooling piece of the liquid cooling radiator integrate the circulating pipeline and the radiating row into a whole, no additional circulating pipeline is needed, the structure is more compact, and the occupied volume is smaller. In addition, the liquid cooling radiator provided by the utility model reduces the stress concentration area by communicating the first cavity with the second cavity in a butt joint way, and the sealing component is arranged between the first cavity and the second cavity to form a sealed circulating channel, so that the risk of liquid leakage is greatly reduced. Specifically, a plurality of axial straight grooves are further formed in the first cavity. By means of the arrangement, the heat exchange area of the cooling liquid and the first cavity can be increased, so that the heat dissipation efficiency is improved, meanwhile, the axial pressure drop is reduced, and the stable flow of the cooling liquid is ensured. Specifically, one end of the first cavity towards the second liquid cooling piece is provided with a positioning protrusion, one end of the second liquid cooling piece towards the first liquid cooling piece is provided with a positioning recess communicated with the second cavity, and the positioning recess and the positioning protrusion can be matched with each other, so that the first cavity is in positioning butt joint with and communicated with the second cavity. By means of the arrangement, the butt joint precision between the first cavity of the first liquid cooling piece and the second cavity of the second liquid cooling piece is improved, and meanwhile the first liquid cooling piece and the second liquid cooling piece are conveniently positioned and butted. Specifically, the sealing assembly comprises a sealing element and a fastening element, wherein the sealing element is arranged between the positioning protrusion and the positioning recess so that the positioning protrusion and the positioning recess are in sealing fit, and the fastening element penetrates through the second liquid cooling element and is in detachable fixed connection with the first liquid cooling element. Specifically, the sealing element is also provided with a through positioning hole for avoiding the cooling liquid. According to one embodiment