Oil-cooled radiator for computer hostTechnical Field
The invention relates to the technical field of computers, in particular to a radiator for a CPU in a computer host.
Background
The CPU is the core of the computer and is also one of the most powerful components. The CPU can generate a large amount of heat energy in the running process, and the heat energy needs to be timely discharged, otherwise, the performance of the CPU is affected and even the CPU is damaged. The existing adopted radiator mainly comprises three radiators of air-cooled type, water-cooled type and oil-cooled type, wherein the air-cooled type radiator is provided with an electric fan near a CPU, and has the defects that blown hot air cannot be discharged in time, the radiating effect is poor and the noise is high; the water-cooled and oil-cooled radiator has the advantages that heat near the CPU is carried away through circulating oil and water, and the radiator is silent, but the existing structural design is unreasonable, and the radiating effect is required to be improved.
Disclosure of Invention
In order to solve the above problems of the existing computer host CPU radiator, the applicant has studied and improved to provide an oil-cooled radiator for a computer host.
In order to solve the problems, the invention adopts the following scheme:
The oil-cooled radiator for the computer host comprises a heat exchange cavity which is arranged close to a CPU of the host and is fixed in a host shell, wherein the heat exchange cavity is in a shell shape, a main radiating pipe and fins are arranged in the heat exchange cavity, a hot oil guiding-out channel is arranged at the top of the heat exchange cavity, a cold oil backflow channel is arranged at the bottom of the heat exchange cavity, the hot oil guiding-out channel is communicated with the cold oil backflow channel through an outer radiating pipe, and an oil pump is arranged on the outer radiating pipe; a plurality of fins are arranged in the heat exchange cavity in an up-down overlapping way, gaps are arranged between the upper and lower adjacent fins, and radiating holes are formed in the fins; the main radiating pipe is U-shaped, the closed end of the main radiating pipe is fixedly connected with the host shell, one side of the main radiating pipe is arranged in the heat exchange cavity, and the other side of the main radiating pipe is close to the host CPU.
As a further improvement of the above technical scheme:
The closed ends of the main radiating pipes are pressed in the aluminum substrate through the soaking copper plates, and liquid alloy is filled in the aluminum substrate between the adjacent main radiating pipes.
The liquid alloy is liquid gallium indium alloy.
The main radiating pipe penetrates from the bottom of the heat exchange cavity and keeps a distance between the main radiating pipe and the aluminum substrate, wherein the distance is used for installing the buckle.
And heat dissipation holes which are staggered are formed in the fins which are adjacent up and down in the plurality of layers, and the heat dissipation holes are integrally spirally arranged in the fins.
The hot oil guiding channel is communicated with the upper end of the outer radiating pipe through the expansion guiding channel, and the cold oil guiding channel is communicated with the lower end of the outer radiating pipe through the straight pipe guiding channel.
The diameter of the connecting end of the expansion guide-out channel and the outer radiating pipe is larger than that of the outer radiating pipe; the diameter of the connecting end of the straight pipe leading-in channel and the outer radiating pipe is larger than that of the outer radiating pipe.
The invention has the technical effects that:
The invention adopts an oil cooling mode to realize the mute heat dissipation of the CPU; the inner and outer heat dissipation structures, in particular the outer heat dissipation tubes are combined with the inner fins, and the heat dissipation holes of the spiral winding structure are formed, so that the heat dissipation time is prolonged, the heat dissipation structure is optimized, and the heat dissipation effect is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a diagram showing the arrangement of fins in the present invention.
Fig. 3 is a diagram showing the distribution of the heat dissipation holes in the fin.
Detailed Description
The following description of the embodiments of the present invention will further explain the technical means of the present invention by referring to the figures, and can fully understand and implement the implementation process for achieving the technical effects. It should be noted that, as long as no conflict is formed, each embodiment of the present invention and each feature of each embodiment may be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.
As shown in fig. 1 and 2, the oil-cooled radiator for a computer host according to the present embodiment includes a heat exchange cavity 1 disposed near a CPU of the host and fixed in a host casing, the heat exchange cavity 1 is in a shell shape, a main heat dissipation tube 2 and fins 3 are installed in the cavity, a hot oil guiding-out channel 11 is provided at the top of the heat exchange cavity 1, a cold oil return channel 12 is provided at the bottom of the heat exchange cavity, the hot oil guiding-out channel 11 is communicated with the cold oil return channel 12 through an outer heat dissipation tube 4, and an oil pump 8 is installed on the outer heat dissipation tube 4; a plurality of fins 3 are arranged in the heat exchange cavity 1 in an up-down overlapped mode, gaps are arranged between the upper adjacent fins 3 and the lower adjacent fins 3, and heat dissipation holes 31 are formed in the fins 3; the main radiating pipe 2 is U-shaped, the closed end of the main radiating pipe is fixedly connected with the main machine shell, one side of the main radiating pipe 2 is arranged in the heat exchange cavity 1, and the other side is close to the main machine CPU.
In the invention, the inner radiating fins 3 are combined with the outer radiating pipes 4, and heat is circularly transferred through hot oil, so that the radiating effect is good; the oil pump 8 is adopted to conduct heat in a rapid circulation manner, so that rapid heat exchange is realized, and compared with the traditional air cooling and water cooling structure, the cooling effect is greatly improved.
Another innovation point of the present invention is that the closed ends of the main radiating pipes 2 are pressed into the aluminum substrate 5 through the soaking copper plate 6, and the aluminum substrate 5 between the adjacent main radiating pipes 2 is filled with the liquid alloy 7, preferably, the liquid alloy 7 is liquid gallium indium alloy. The soaking copper plate 6, the aluminum substrate 5 and the liquid alloy 7 are arranged, firstly, the soaking copper plate 6 and the liquid alloy 7 uniformly dissipate heat, and secondly, the aluminum substrate 5 and the liquid alloy 7 improve heat dissipation efficiency.
For easy installation, the main radiating pipe 2 penetrates from the bottom of the heat exchange chamber 1 and maintains a distance from the aluminum substrate 5 for the installation of the fastener.
As shown in fig. 2 and 3, the left and right are further designed optimally, and the fins 3 adjacent to each other up and down are provided with heat dissipation holes 31 arranged in a staggered manner, and the heat dissipation holes 31 are arranged in the fins 3 in a spiral and spirally winding manner as a whole. The oil in the lower part flows into the upper part from the heat dissipation holes 31, the heat dissipation holes 31 are spirally arranged, the flow path of the oil is prolonged, and the heat dissipation area is increased.
As shown in fig. 1, preferably, the hot oil lead-out passage 11 communicates with the upper end of the outer radiating pipe 4 through the expansion lead-out passage 111, and the cold oil lead-in passage 12 communicates with the lower end of the outer radiating pipe 4 through the straight pipe lead-in passage 121; the diameter of the connecting end of the expansion leading-out channel 111 and the outer radiating tube 4 is larger than the diameter of the outer radiating tube 4; the diameter of the connecting end of the straight pipe introduction passage 121 and the outer radiating pipe 4 is larger than the diameter of the outer radiating pipe 4. The expansion guide-out channel 111 is beneficial to pressure release guide-out of hot oil, and the heat dissipation effect is better; meanwhile, the large-diameter straight pipe introduction passage 121 prevents accumulation of hot oil in the outer radiating pipe 4 while playing a role in pressure relief.
The above embodiments are provided for convenience of description of the present invention, and are not intended to limit the present invention in any way, and any person skilled in the art will make local changes or modifications to the present invention without departing from the technical scope of the present invention.