Shield keyboard

Abstract

The invention discloses a shielding keyboard used in a shield with an opening. The shielding keyboard comprises: a basal board, which is provided with a circuit board with elastic keycaps; keys, which are arranged corresponding to the elastic keycaps; a shielding board used for sealing the opening of the shield; and a fixing device for fixing the basal board on the shielding board. The shielding board is provided with a wave guide which is internally provided with an insulation rod, one end of which is connected with the keys and the other end of which is contacted with the elastic keycaps. The shielding board is also provided with a guide board, which is provided with a guide hole containing the wave guide. The keys are provided with a guide part matched with the guide hole in shape. The shielding board and the basal board of the shielding keyboard of the invention do not form a shielding case but seal the opening of the shield so that electromagnetic waves generated by electronic elements of the keyboard in the shield are shielded by the shield. Therefore, electromagnetic shielding is realized very easily; in addition, the structure of the shielding keyboard is simple.

Description

technical field [0001] The invention relates to a keyboard, in particular to a low-radiation shielding keyboard. Background technique [0002] As an independent electronic input device, the keyboard usually includes a pressed shell, buttons embedded in the shell, a bottom plate, and a control circuit board installed on the bottom plate. An information processing device such as a computer inputs a key signal. In addition, in notebook computers, the mouse and keyboard are usually integrated into one body, which greatly reduces the volume, and only requires a PS / 2 or USB serial port to be directly connected to the host computer. [0003] Due to the electromagnetic radiation and electromagnetic leakage generated by the mouse and keyboard, the natural electromagnetic environment is polluted and the health is damaged. Technology for processing electromagnetic radiation generated by peripherals such as keyboards. [0004] The applicant's Chinese invention patent application numb...

AI Technical Summary

Problems solved by technology

[0005] In the above proposal, setting the keys outside the shielding box is a good way to solve the leakage of electromagnetic radiation from the keyboard, but some problems have been encountered in the implementation, that is, the shape of the bottom plate is relatively complicated, and it is usually only suitable for Resin material injection molding, even if it can be made of metal materials, is not suitable for forming a closed shielding box with the shielding plate due to its complex shape, so the above-mentioned shielding box is difficult to realize in engineering

Moreover, the keycap is set on the insulating rod. Because there is no positioning structure, the keycap will rotate with the insulating rod during use, which affects the normal use.

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