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High voltage isolation and bleeder circuit

A high-voltage isolation and discharge circuit technology, applied in the field of oil exploration, can solve the problems of complex structure of high-voltage isolation circuits, improve isolation and stability performance, simple design structure, and meet the effects of high-voltage isolation and energy discharge

Active Publication Date: 2022-03-04
CHINA NAT OFFSHORE OIL CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing high-voltage isolation and discharge circuit adopts a MOS tube duplex isolation design, which requires multiple control switches to realize the conduction and disconnection of the high-voltage isolation circuit, which makes the circuit structure for controlling the high-voltage isolation complex.

Method used

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  • High voltage isolation and bleeder circuit
  • High voltage isolation and bleeder circuit
  • High voltage isolation and bleeder circuit

Examples

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Embodiment Construction

[0018] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0019] The steps shown in the flowcharts of the figures may be performed in a control system such as a set of downhole tool controller executable instructions. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0020] figure 1 A schematic structural diagram of the high-voltage isolation and discharge circuit provided in Embodiment 1 of the present invention, as shown in figure 1 As shown, the high-voltage isolation and discharge circuit provided b...

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Abstract

The invention discloses a high-voltage isolation and discharge circuit, including: a logic conversion circuit, a high-voltage isolation circuit and a discharge circuit; wherein: the logic conversion circuit is used to output a corresponding logic control signal to the high-voltage circuit according to the channel control signal received. The isolation circuit; the high-voltage isolation circuit is used for disconnecting or conducting according to the logic control signal; the discharge circuit is used for disconnecting or conducting according to the received discharge control signal. The high-voltage isolation and discharge circuit disclosed by the invention can meet the requirements of high-voltage isolation and energy discharge, has a simple structure, and has high isolation and stability.

Description

technical field [0001] The invention relates to the field of petroleum exploration, in particular to a high-voltage isolation and discharge circuit. Background technique [0002] The existing high-voltage isolation and discharge circuit adopts a MOS tube duplex isolation design, which requires multiple control switches to realize the conduction and disconnection of the high-voltage isolation circuit, which makes the circuit structure for controlling the high-voltage isolation complex. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides a high-voltage isolation and discharge circuit, which can meet the requirements of high-voltage isolation and energy discharge, and has a simple structure, high isolation and stability. [0004] In order to achieve the purpose of the present invention, the present invention provides a high-voltage isolation and discharge circuit, including: a logic conversion circuit, a high-volta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K19/007H03K19/003
CPCH03K19/00361H03K19/007
Inventor 张嘉伟赛芳薛志波王光伟程羽陈向新陈敬智
Owner CHINA NAT OFFSHORE OIL CORP
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