TWM531733U - Computer chassis against electromagnetic interference - Google Patents

Description

Computer case to prevent electromagnetic interference

This creation is related to a computer case, especially a computer case that prevents electromagnetic interference.

According to the development of today's technology, many electronic products, such as mobile phones and computers, have brought about a very convenient life. However, all products driven by electricity, even extremely small electronic components, will produce electromagnetic effects and form mutual interference with each other, which will affect the performance of electronic components, leading to malfunction and damage of electronic products. Therefore, how to prevent electronic products from being subjected to electromagnetic interference (EMI) has become an important issue in designing electronic products.

In general, the metal plate can block the travel of electromagnetic waves to cause shielding, so in the design of the computer casing, the metal plate is often used as the material for manufacturing the casing. In the conventional technique shown in FIG. 1, a plurality of metal plates 51 are formed to surround the casing 5 so as to accommodate the electronic components 52 (such as a circuit board and a computer chip) in the space inside the casing 5. In order to block the intrusion of electromagnetic waves. However, in the conventional structure, the metal plate 51 constituting the casing 5 is simply abutted, and the adjacent plates are locked by the screws 53, and the plates still have a considerable gap therebetween, and the electromagnetic waves can still be self-contained. This gap intrudes into the space inside the casing 5 and affects the operation of the electronic component 52.

In order to improve the lack of the above-mentioned prior art, a design of a shielding structure appears. As shown in FIG. 2, a box body 61 is made of a metal material, and the electronic component 62 is housed in the case, and the case body 61 is further sealed with a metal plate 63, for example, by using a soldering means. The case 61 is sealed, whereby the gap between the metal plate 63 and the case 61 can be greatly reduced to reduce electromagnetic interference. And the figure shown in FIG. 3 is another similar conventional technique which improves the aforementioned conventional techniques, and A metal plate 72 is pivoted on one side of a casing 71 to form a reversible cover for covering the electronic components 73 in the casing to shield electromagnetic waves.

The prior art of the above two shielding structures is directed to the electronic component, and a box structure is directly disposed on the outer side thereof to surround it. However, after the above processing of the electronic components, the assembly work of the computer mainframe must still be packaged in a casing. As described above, since the metal plate can function to shield electromagnetic waves, the above two types of shielding structures are redundant, and there are costly materials and an increase in assembly difficulty and man-hours.

In view of this, how to improve the above problems is the primary issue that the creative office wants to solve.

The main purpose of the present invention is to provide a computer casing for preventing electromagnetic interference, which is provided with a groove on the shell plate for inserting and fitting another shell plate which is assembled with each other, thereby reducing the gap between adjacent shell plates and strengthening The main structure prevents electromagnetic waves from invading the space inside the casing and achieves the effect of protecting the electronic components.

A further object of the present invention is to provide electromagnetic wave protection from the inside of the casing to protect the human body.

In order to achieve the foregoing object, the present invention provides a computer casing for preventing electromagnetic wave interference, comprising: at least one first assembly having an annular end edge; at least one second assembly having a side and the end a groove corresponding to the shape of the edge; the first assembly is embedded in the groove by the end edge, thereby forming the first assembly and the second assembly into a casing; wherein the casing The inner side surrounds an accommodating space, and the accommodating space does not communicate with the outer side of the housing.

In an embodiment, the first assembly and the second assembly are fixedly connected by a plurality of fixing members.

In an embodiment, either the first assembly or the second assembly or The two have a plurality of fins extending toward the outer side of the housing.

Further, the first assembly forms a square frame, and two sides are respectively formed with a square annular end edge, and the second assembly has two numbers, each of which has a planar plate body, and the plate A square annular groove is disposed on the body; the two second assembly members are respectively disposed on two sides of the first assembly, and the end edges are correspondingly embedded in the groove.

The above objects and advantages of the present invention are not to be understood in detail from the detailed description and the accompanying drawings.

1‧‧‧First assembly

12‧‧‧ edge

13‧‧‧ convex

14‧‧‧ screw holes

2‧‧‧Second assembly

21‧‧‧ board

22‧‧‧ trench

23‧‧‧Expanding trough

24‧‧‧Perforation

25‧‧‧ Heat sink fins

3‧‧‧Fixed parts

4‧‧‧Shell

41‧‧‧ accommodating space

42‧‧‧Electronic components

1 is a perspective exploded view of a first conventional structure; FIG. 2 is a perspective exploded view of a second conventional technique; FIG. 3 is a perspective view of a third conventional technique; Fig. 5 is a perspective exploded view of the creation; Fig. 6 is an enlarged schematic view of a portion A in Fig. 5; and Fig. 7 is a schematic perspective view of a portion of the creation.

Please refer to FIG. 4 and FIG. 5 , which is a computer case for preventing electromagnetic interference provided by the present invention, comprising at least one first assembly 1 and at least one second assembly 2 , the first assembly 1 The second assembly 2 is made of a metal material to shield electromagnetic waves; in the present embodiment, there is a first assembly 1 and two second assemblies 2. The first assembly member 1 is a square annular frame body having a certain thickness and forming a square annular end edge 12 on both sides thereof. A convex portion 13 is respectively disposed at four corners of the inner side of the frame, and a screw hole 14 is disposed on the convex portion 13.

The two second assemblies 2 are respectively disposed on two sides of the first assembly 1. Each of the second assembly members 2 has a flat plate body 21, and a square annular groove 22 is formed on the plate body 21; wherein the groove 22 is recessed from the surface of the plate body 21, and The shape corresponds to the first group End edge 12 of fitting 1. On the other hand, at the four corners of the inner side of each of the square annular grooves 22, the convex portions 13 corresponding to the frame body are respectively formed with the expansion grooves 23 as shown in FIG. 6, and in the respective expansion grooves 23 A perforation 24 is provided, wherein the positions of the perforations 24 correspond to the respective screw holes 14.

With the above structure, as shown in FIGS. 5 and 7, the two second assemblies 2 are respectively fitted with the grooves 22 thereof at the end edges 12 of both sides of the first assembly 1; among the four protrusions 13 They are also fitted into the four expansion grooves 23, respectively. Further, a plurality of fixing members 3 (here, illustrated as screws) are passed through the through holes 24 of the two second assembling members 2, and are locked in the screw holes 14 of the first assembly member 1, thereby The second assembly 2 is tightly fixed to the first assembly 1.

The first assembly 1 and the second assembly 2 are combined to form a housing 4 that surrounds an accommodating space 41. The accommodating space 41 can be used to receive the electronic components 42 of the computer, including the circuit board. And various wafers and the like. Since the first assembly 1 and the second assembly 2 are made of a metal material, the casing 4 is formed to form a protective structure that shields electromagnetic waves from entering the accommodation space 41 and interfering with the electronic component 42. The present invention further provides the insertion of the end edge 12 of the first assembly 1 by the groove 22 of the second assembly 2, thereby reducing the gap between the two components and strengthening the main structure, thereby reducing the chance of electromagnetic wave intrusion; At the same time, it also prevents electromagnetic waves from leaking out from the inside of the casing to enhance the effect of shielding electromagnetic waves and to protect the human body.

In addition, heat dissipation fins 25 projecting toward the outer side of the housing may be provided on either or both of the first assembly 1 or the second assembly 2. In the present embodiment, as shown in FIG. 5, only the structure in which the heat dissipation fins 25 are provided on the second assembly 2 is shown.

However, the disclosure of the above embodiments is intended to illustrate the present invention and is not intended to limit the present invention, so the replacement of equivalent elements should still be within the scope of this creation.

In summary, it can be made clear to the skilled person that the creation can achieve the aforementioned objectives, and it has already met the requirements of the Patent Law and submitted an application according to law.

1‧‧‧First assembly

12‧‧‧ edge

13‧‧‧ convex

2‧‧‧Second assembly

22‧‧‧ trench

23‧‧‧Expanding trough

3‧‧‧Fixed parts

4‧‧‧Shell

41‧‧‧ accommodating space

Claims (4)

A computer casing for preventing electromagnetic wave interference, comprising: at least one first assembly having an annular end edge; at least one second assembly having a groove corresponding to the shape of the end edge The first assembly is embedded in the groove by the end edge, thereby forming the first assembly and the second assembly into a casing; wherein the inner side of the casing encloses an accommodating space, and The accommodating space does not communicate with the outer side of the housing. The computer casing for preventing electromagnetic interference according to claim 1, wherein the first assembly and the second assembly are fixedly connected by a plurality of fixing members. The computer casing for preventing electromagnetic interference according to claim 1, wherein either or both of the first assembly or the second assembly are provided with a plurality of heat dissipation fins on an outer side of the casing. The computer casing for preventing electromagnetic interference according to claim 1, wherein the first assembly forms a square frame, and a square annular end edge is formed on each side thereof, and the number of the second assembly is two Each has a flat plate body, and a square annular groove is disposed on the plate body; the two second assembly members are respectively disposed on two sides of the first assembly member, and are embedded correspondingly with the end edge In the groove.