Electronic device

A technology of electronic devices and circuit boards, which is applied in the direction of circuit devices, printed circuit grounding devices, clamping/extracting devices, etc., can solve the problems of small grounding area, affecting the expansion card's resistance to electromagnetic interference, etc., and achieve large grounding area, good resistance Effects of Electromagnetic Interference

Pending Publication Date: 2019-09-17
PEGATRON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, limited by the size of the copper pillars, the grounding area that can be provided is small, which affects the anti-electromagnetic interference effect of the expansion card

Method used

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Embodiment Construction

[0043] figure 1 It is a three-dimensional schematic diagram of an expansion card of an electronic device that has not been fixed by a locking member according to an embodiment of the present invention. figure 2 yes figure 1 A schematic cross-sectional view along line L1 when the expansion card of the electronic device is fixed to the circuit board by the locking member. image 3 yes figure 1 A schematic cross-sectional view along line L2 when the expansion card of the electronic device is fixed to the circuit board by the locking member. Figure 4 yes figure 1 A three-dimensional schematic diagram of a conductive part of an electronic device.

[0044] Please also see Figure 1 to Figure 4 , in this embodiment, the electronic device 100 includes a circuit board 110, a conductive member 120 fixed on the circuit board 110, an expansion card 130 detachably arranged on the circuit board 110 and against the conductive member 120, and At least one locking member 140 is used to...

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Abstract

An electronic device includes a circuit board and a conductive piece. The circuit board includes a hole and a grounding pad close to the hole. The conductive piece includes an insertion component and an enlarged grounding portion connected to the insertion component. The insertion component of the conductive piece is inserted into the hole of the circuit board and is electrically connected to the grounding pad, and a size of the enlarged grounding portion is larger than that of the hole.

Description

technical field [0001] The invention relates to an electronic device, and in particular to an electronic device which is easy to manufacture and has better anti-electromagnetic interference effect. Background technique [0002] At present, when some expansion cards (such as mini PCI-E expansion cards) are installed on the circuit board, in addition to inserting one side of the expansion card into the connector on the circuit board, the The other side is fixed on the circuit board with screws so that the expansion card can be firmly fixed on the circuit board. Therefore, designers usually provide copper pillars with screw holes on the corresponding screws on the circuit board. However, if it needs to be fixed with multiple screws, the number of copper pillars to be arranged on the circuit board will be correspondingly multiple. At this time, the manufacturer needs to arrange the copper pillars on the circuit board one by one, so that the manufacturing process More troubleso...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/40
CPCG06F13/4022G06F13/4081G06F2213/0026G06F13/4221H05K1/0215H05K1/0216G06F13/4295H05K2201/10409G06F1/185H05K7/1407H05K7/10H05K7/026
Inventor 吴炳忠曹伟君杨尧强
Owner PEGATRON
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