CN219802948U - Multi-partition liquid cooling radiating fin - Google Patents

Abstract

The utility model discloses a multi-partition liquid cooling radiating fin, which is characterized in that: the heat dissipation fin comprises a heat dissipation fin body, wherein a medium flow network is arranged in the heat dissipation fin body, one side of the medium flow network, which is close to a substrate of the heat dissipation fin body, is a medium flow pipeline area which is transversely communicated, the heat dissipation fin body is provided with a plurality of partition blocking walls which transversely partition the medium flow network on one side of the substrate, which is far away from the heat dissipation fin body, a temperature control area is arranged between any two adjacent partition blocking walls or between each partition blocking wall and the edge of the heat dissipation fin body, each temperature control area is vertically communicated with the medium flow pipeline area, and the size of the temperature control area is matched with the heating value of a heating element contacted with the heat dissipation fin. The beneficial effects of the utility model include: the heat conduction and heat dissipation effects of the radiator are improved, and the condensing heat dissipation area of the cooling medium liquid in the heat dissipation fins is designed according to the heat quantity of the heated area, so that the problem of heat concentration is well balanced, and the problem of overhigh local heating is solved.

Description

Multi-partition liquid cooling radiating fin

Technical Field

The utility model relates to the field of radiators, in particular to a multi-partition liquid cooling radiating fin.

Background

At present, along with the development of electronic equipment to high performance and high integration, the electronic equipment has higher and higher requirements on heat dissipation, and a traditional fin radiator mainly comprises a substrate and a plurality of fins arranged on the substrate, and a heating electronic component conducts heat to the substrate and emits the heat through the thin plate-shaped fins so as to increase the contact area between the radiator and air. However, the radiator has great limitation that heat is conducted from the substrate to the fins for heat dissipation, the heat conduction capacity of the substrate and the fins is limited by materials, the heat conduction capacity of the radiator is almost the same, the contact area between part of high-heat electronic elements and the radiator substrate is limited, a good heat dissipation effect cannot be achieved, and a local overheating phenomenon is easy to occur.

Disclosure of Invention

In view of the above-mentioned shortcomings in the prior art, the present utility model provides a multi-partition liquid cooling fin, which improves the heat dissipation effect of the fin and also improves the problem of local overheating.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a multi-partition liquid cooling radiating fin is characterized in that: the heat dissipation fin comprises a heat dissipation fin body, wherein a medium circulation network is arranged in the heat dissipation fin body, one side of the medium circulation network, which is close to a substrate of the heat dissipation fin body, is a medium flow pipeline area, the medium circulation network of the medium flow pipeline area is transversely communicated, the heat dissipation fin body is provided with a plurality of partition blocking walls which transversely partition the medium circulation network on one side of the substrate far away from the heat dissipation fin body, the medium circulation network between any two partition blocking walls or the medium circulation network between the partition blocking walls and the edge of the heat dissipation fin body are temperature control areas, each temperature control area is vertically communicated with the medium flow pipeline area, and the size of each temperature control area is matched with the heating value of a heating element contacted with one side of the substrate of the heat dissipation fin body.

Further, a medium injection port is formed in one side of the radiating fin body, a predetermined amount of cooling medium is injected into the medium circulation network, and the medium injection port is in a closed state after the cooling medium is injected.

The beneficial effects of the utility model include: the heat conduction and heat dissipation effect of the radiator is improved by arranging the cooling medium liquid in the heat dissipation fins, and the condensation heat dissipation area of the cooling medium liquid in the heat dissipation fins is designed according to the heat quantity of the heated area, so that the problem of heat concentration is well balanced, the heat source temperature of each area can be effectively controlled, and the problem of local overhigh heating is solved.

Drawings

Fig. 1 is a schematic cross-sectional view of the present utility model.

Detailed Description

The utility model will be described in further detail with reference to specific embodiments and drawings.

A multi-partition liquid cooling radiating fin body 1 as shown in figure 1 is formed by splicing two metal plates after being processed, a medium circulation network is formed by milling the two metal plates relatively, wherein one side of the radiating fin body 1, which is close to a substrate, is a heated area, the networks in the area are transversely communicated to form a medium flow pipeline area 2, one side, which is far away from the substrate, is a radiating area, the networks in the area are transversely partitioned by a plurality of partition blocking walls 3, an area formed between two adjacent partition blocking walls is a temperature control area 4, the area size of the temperature control area is matched with the heating amount of an electronic component contacted with one side of the substrate of the radiating fin body 1, namely, the area of the electronic component with high heating amount is correspondingly larger as the area of the temperature control area 4 is located.

A cooling medium inlet 5 is provided on one side of the fin 1. When the two metal plates are subjected to milling, the two metal plates are stuck into a whole, and a medium injection opening 5 is arranged on one side of the metal plates. A low-boiling-point cooling medium is injected into the medium flow network in the fin body 1 through the medium injection port 5, and the temperature is adjusted by utilizing the heat absorption by evaporation and the heat release by cooling of the cooling medium. Since the fin body 1 is installed with the side of the base body facing downward, the cooling medium is mainly concentrated in the medium flow channel region 2 after being injected. The medium inlet 5 is closed after the injection of the cooling medium.

The cooling medium in the heated area is quickly evaporated after the radiating fins are installed, heat generated by electronic components is taken away, the cooling medium is condensed in the temperature control area, the heat is exchanged into flowing air, the area of the temperature control area 4 directly determines the condensing speed of the cooling medium, so that the heat on one side of the radiating fin matrix plays a good balance role, and the problem of overhigh local temperature is solved.

The foregoing has described in detail the technical solutions provided by the embodiments of the present utility model, and specific examples have been applied to illustrate the principles and implementations of the embodiments of the present utility model, where the above description of the embodiments is only suitable for helping to understand the principles of the embodiments of the present utility model; meanwhile, as for those skilled in the art, according to the embodiments of the present utility model, there are variations in the specific embodiments and the application scope, and the present description should not be construed as limiting the present utility model.

Claims (2)

1. A multi-partition liquid cooling radiating fin is characterized in that: including radiating fin body (1), radiating fin body (1) inside has medium circulation network, and medium circulation network is close to radiating fin body (1) base member one side and is medium flow pipeline district (2), the medium circulation network of medium flow pipeline district (2) transversely communicates, radiating fin body (1) has a plurality of subregion wall of blocking (3) will keep away from the medium circulation network of radiating fin body (1) base member one side and transversely cuts off, arbitrary adjacent two medium circulation network or subregion wall of blocking (3) between subregion wall of blocking (3) and radiating fin body (1) edge are temperature control district (4), every temperature control district (4) with medium flow pipeline district (2) vertical intercommunication, every the size of temperature control district (4) matches with the calorific capacity of the heating element of radiating fin body (1) base member one side contact.

2. A multi-zone liquid cooled fin as recited in claim 1, wherein: a medium injection opening (5) is formed in one side of the radiating fin body (1), a preset amount of cooling medium is injected into the medium circulation network, and the medium injection opening (5) is in a closed state after the cooling medium is injected.