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Optical fiber liquid level dynamic monitor

An optical fiber and gear transmission technology, applied in the field of optical fiber liquid level dynamic monitors, can solve the problems of poor electrical insulation, great influence on measurement accuracy, poor safety of flammable and explosive liquids, etc., and achieves less impact on the external environment and high measurement accuracy. Effect

Inactive Publication Date: 2014-09-10
王琪伟 +2
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] In order to solve the defects in the background technology that the current liquid level monitor has a large impact on the measurement accuracy of the liquid level measurement due to the change of the external temperat

Method used

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  • Optical fiber liquid level dynamic monitor
  • Optical fiber liquid level dynamic monitor

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Example Embodiment

[0008] The specific implementation plan is as follows: figure 1 Is the structural block diagram of the patent of the present invention, figure 1 The working principle is: first power on the stabilized power supply, set the reference position of the liquid level through the control circuit board, the stabilized power supply drives the ASE light source to emit light, and reach the optical fiber sensor through the optical fiber loop, which is generated according to the position of the optical fiber sensor The reflected light of different intensity is transmitted to the PIN tube detection circuit through the optical fiber loop. The PIN tube detection circuit converts the light signal into an electrical signal and transmits it to the control circuit board. After the control circuit board processes the transmitted electrical signal, the control circuit board will The liquid level is displayed on the display, and the control circuit board outputs an electrical signal to control the step...

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Abstract

The invention relates to an optical fiber liquid level dynamic monitor, and belongs to the technical field of instruments and meters. The optical fiber liquid level dynamic monitor overcomes the defects that external temperature change greatly influences an existing liquid level monitor during the liquid level measurement process, the existing liquid level monitor is poor in electrical insulation property and has poor safety during the process of monitoring the level of liquid which is flammable and combustible, and an existing optical fiber liquid level meter can not achieve dynamic measurement. The optical fiber liquid level dynamic monitor is composed of an ASE light source, an optical fiber sensing head, a PIN pipe detection circuit, a control circuit, a stepping motor, a heavy punch and the like. The optical fiber liquid level dynamic monitor has the advantages of being safe, flameproof, high in measurement accuracy, slightly influenced by external environment, capable of achieving the dynamic measurement and the like.

Description

technical field [0001] The patent of the present invention relates to an optical fiber liquid level dynamic monitor, and the technical solution claimed belongs to the technical field of instruments and meters. Background technique [0002] The liquid level monitor is mainly used in the storage tank area of ​​liquid and the control of liquid consumption in the production process and other fields. The current liquid level monitor mainly includes differential pressure type, magnetostrictive type, radar type and so on. According to their working principle, it can be seen that most of them have the defects that the change of external temperature has a great influence on their measurement accuracy, the electrical insulation is poor, and the level monitoring of flammable and explosive liquids is less safe, and the current optical fiber The liquid level gauge has the defect that dynamic measurement cannot be realized. Contents of the invention [0003] In order to solve the defe...

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Application Information

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IPC IPC(8): G01F23/292
Inventor 王琪伟王名杰张天航
Owner 王琪伟
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