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Electromagnetic compatibility shielding cavity of a KVM all-in-one machine

An electromagnetic compatibility and all-in-one technology, applied in the direction of magnetic/electric field shielding, screening casings, electrical components, etc., can solve the problems of shielding overall sexual harassment, failure to consider, system loss, etc., to achieve the effect of ensuring electromagnetic compatibility

Active Publication Date: 2019-06-04
THE 41ST INST OF CHINA ELECTRONICS TECH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing technology fails to consider the design requirements of electromagnetic compatibility in the process of using the KVM all-in-one machine. The use of the KVM all-in-one machine is contradictory to the realization of high-demand electromagnetic compatibility indicators, especially when relevant requirements such as GJB151A and GJB152A are required. At this time, electromagnetic compatibility has become an unsolvable problem. The human-computer interaction unit of the automatic test system can only compromise with electromagnetic compatibility, abandon the KVM all-in-one machine with considerable convenience advantages, and use other backward solutions
[0004] like figure 1 As shown, when the KVM all-in-one machine is pulled out and deployed, a cavity 7 with only the slide rail frame will be formed at the position originally used to accommodate the screen. This cavity 7 goes deep into the internal space of the system. From the perspective of electromagnetic compatibility, Such a large void will cause the system to lose the integrity of the shielding and become an important deterioration point of electromagnetic radiation disturbance, so how to meet the electromagnetic compatibility requirements in the automatic test system using the KVM all-in-one machine has become a major difficulty

Method used

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  • Electromagnetic compatibility shielding cavity of a KVM all-in-one machine

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Such as Figure 1 to Figure 6 As shown, an electromagnetic compatibility shielding chamber of a KVM all-in-one machine includes a cavity surrounded by an upper cover 1 and a lower cover 2. The cavity is designed as a wrapping structure, so that there is no horizontal or vertical gap between the KVM all-in-one machine and the electromagnetic compatibility shielding cavity The structure of the vertical gap, the side walls of the upper cover 1 and the lower cover 2 are connected by the connecting strip 3, the upper cover 1, the lower cover 2 and the connecting strip 3 are all made of aluminum plates that have undergone conductive oxidation treatment, and the connecting strip 3 and the upper The outer surface of the connection between the cover 1 and the lower cover 2 is coated with copper foil 4, and the end of the cavity is provided with an inner buckle bending part 6, and the inner surface of the bending part 6 is coated with copper foil. A conductive cloth pad 5 is also...

Embodiment 2

[0032] Such as Figure 1 to Figure 6 As shown, an electromagnetic compatibility shielding chamber of a KVM all-in-one machine includes a cavity surrounded by an upper cover 1 and a lower cover 2. The cavity is designed as a wrapping structure, so that there is no horizontal or vertical gap between the KVM all-in-one machine and the electromagnetic compatibility shielding cavity The structure of the vertical gap, the side walls of the upper cover 1 and the lower cover 2 are connected by connecting bars, the upper cover 1, the lower cover 2 and the connecting bars 3 are all made of aluminum plates that have undergone conductive oxidation treatment, and the connecting bars 3 and the upper cover 1. The outer surface of the joint of the lower cover 2 is coated with copper foil 4, and the end of the cavity is provided with an inner buckle bending part 6, and the inner surface of the bending part 6 is coated with a conductive cloth gasket. The side wall of the head end is also pasted...

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Abstract

The invention discloses an electromagnetic compatibility shielding chamber of a KVM all-in-one machine, and specifically relates to the technical field of testing. The electromagnetic compatibility shielding chamber of the KVM all-in-one machine includes a cavity surrounded by an upper cover and a lower cover. The side walls of the upper cover and the lower cover are connected by connecting bars. The outer surface of the connection between the connecting strip and the upper cover and the lower cover is coated with copper foil. foil, and a conductive cloth pad is also pasted on the side wall of the head end of the cavity.

Description

technical field [0001] The invention relates to the technical field of testing, in particular to an electromagnetic compatibility shielding chamber of a KVM all-in-one machine. Background technique [0002] Generally speaking, the KVM all-in-one machine has a standard height of 1U, and a display screen, keyboard, and mouse are integrated in this space. It is the human-computer interaction core of the automatic test system. Due to its high integration and small footprint, it is suitable for transportation or storage. You only need to put the KVM all-in-one machine together and plug it into the system, and you only need to pull it out of the system during use, which is very convenient, fast and interactive, so it is widely used in automatic test systems. [0003] The existing technology fails to consider the design requirements of electromagnetic compatibility in the process of using the KVM all-in-one machine. The use of the KVM all-in-one machine is contradictory to the real...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K9/00
CPCH05K9/0007H05K9/0009H05K9/0049
Inventor 张海庆陈振琳何庆夏磊郭荣斌张雷
Owner THE 41ST INST OF CHINA ELECTRONICS TECH GRP
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