Circuit framework

A technology for circuit skeletons and supporting circuit boards, which is applied in the direction of circuit layout, electrical components, magnetic field/electric field shielding, etc. on the supporting structure, and can solve problems such as cable fixing and unsatisfactory insulation

Inactive Publication Date: 2014-02-12
CNPC GREATWALL DRILLING ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This fixing method is not id...

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Embodiment Construction

[0023] In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of embodiments of the invention. However, it will be understood by those skilled in the art that embodiments of the invention may be practiced without these specific details.

[0024] figure 1 The circuit skeleton 10 according to the present invention is shown. The main body of the circuit skeleton 10 is processed into a substantially triangular prism shape, and its three sides form three supporting surfaces 11 , on which a circuit board can be arranged.

[0025] According to an embodiment of the present invention, the circuit skeleton can be placed in a casing with an outer diameter of 98.4 mm (common size), and a standard circuit board with a width of 58 mm can be fixed on three supporting surfaces thereof.

[0026] According to another embodiment of the present invention, when the outer diameter of the instrument is limited to 92mm (another sta...

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Abstract

The invention relates to a circuit framework which is provided with a triangular prism body, and the three side faces of the triangular prism body define three supporting faces (11) used for supporting a circuit board.

Description

technical field [0001] The invention relates to a mechanical device for fixing a downhole instrument circuit board, and more particularly relates to a circuit skeleton for fixing a downhole instrument circuit board. Background technique [0002] In the design process of the instrument, the circuit board is usually fixed on the circuit skeleton. The traditional circuit board is usually installed on a plane skeleton, which has several protrusions on a plane, and the circuit board is punched in advance, so that the circuit board is fixed on the skeleton with screws; or the circuit board and the skeleton are made of copper The spacers are separated by quality spacers, the male threads of the spacers are screwed into the frame, and the circuit board and the spacer are fixed with screws. [0003] In modern petroleum exploration and measurement, limited by the diameter of the borehole, the diameter of the electronic circuit section of the logging instrument is usually within 100mm...

Claims

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Application Information

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IPC IPC(8): H05K7/02H05K9/00
Inventor 谢昱北刘鹏黄涛肖加奇
Owner CNPC GREATWALL DRILLING ENG
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