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Heat dissipation fan assembly structure inside computer main frame shell

Back to list Release date: Mar 23, 2020

this paper relates to a cooling fan assembly structure inside the computer main body shell.especially, by using this assembly structure, the cooling fan can be adjusted to the position closest to the components that can generate heat, so as to improve the cooling efficiency of the computer main body.

the general computer mainframe shell is internally provided with a central processing unit (CPU), a plurality of IC chips and at least one power supply on the mainboard, and the CPU and the IC chips generate heat during operation, and the faster the operation speed, the higher the heat generated; Especially the network because the CPU and IC chip in the server must process a large amount of data, the heat generated by them is much higher than that of ordinary home computers. When the power supply operates, it will also generate heat. If the heat inside the host housing cannot be removed in time, it will affect the CPU and IC chip


the internal space of a large network server mainframe is usually larger than that of a home computer, and there are usually more components installed, thus generating more heat than a home computer. Although a heat dissipation fan is generally arranged at the rear of the main housing to exclude the main housing the heat inside the body, but because the internal space of each unit of the network servers host shell is limited by specific specifications and sizes, and because most connecting slots provided on the motherboard have almost filled up the panel behind the host shell, it is impossible to set up any more loose parts thermal fan, so only the heat dissipation fan provided in the power supply itself can be used as the main heat dissipation element to discharge the heat inside the main casing. Also because the internal space of the server host is large, in order to improve the heat dissipation effect, it is usually

as shown in fig.1, in the conventional fan assembly structure inside the network server host case, a plurality of screw holes A1 are arranged at the fixing positions of a strip-shaped plate-shaped fixing seat a, and the four screw holes A1 of each group are usually grouped into a group, and the four screw holes a1 of each group correspond to the common loose the positions of the four holes B1 provided by the hot fan b, so as to fix the fan b on the fixing seat a by using screws to pass through the holes B1 of the fan b and then locking into the screw holes A1; A plurality of holes A2 are arranged below the fixing seat a, which provide a screw to pass through the holes A2 and be locked to the main machine shell bottom.

based on the consideration of improving the heat dissipation efficiency, users sometimes adjust the position of the heat dissipation fan inside the host case according to the situation to make the fan closer to the heating element. However, since the above-mentioned traditional fixing seat is set with four holes for assembling a heat dissipation fan, the spacing between two adjacent groups of holes is very large.when the fan is removed from one group of holes and is to be installed in the other adjacent group of holes, because of the large displacement of the fan, it is not easy to adjust the position of the fan closest to the heating element by a small margin, thus it cannot reach higher heat dissipation efficiency.

this article is based on the above-mentioned defects of the fan assembly structure inside the main casing.

the main purpose of this paper is to provide a cooling fan assembly structure inside a computer main casing, which is characterized in that a plurality of convex parts are densely arranged on the inner bottom surface of the main casing, a cross beam is arranged on the main casing, and an independent fixing to improve its heat dissipation efficiency.

based on this, the heat dissipation fan assembly structure provided in this paper is that a plurality of convex parts are arranged on the bottom surface of the host casing, and a cross beam is arranged on the host casing, and the cross beam is provided with a plurality of screw holes corresponding to the positions of each convex part; In addition, assembly and disassembly, thus easily changing the position of the heat dissipation fan according to the position of the component to be dissipated.


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