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Radio frequency induction lamination level sensor

A radio frequency induction and sensor technology, applied in instruments, liquid level indicators, machines/engines, etc., can solve the problem that the material level sensor cannot measure multi-phase material level, and achieve the effect of eliminating measurement blind spots and improving measurement accuracy.

Inactive Publication Date: 2009-09-16
威海宝源电气有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to overcome the technical deficiency that the existing material level sensor cannot measure multi-phase material level, the present invention provides a radio frequency induction laminated material level sensor. layer, the distribution of the measured medium layer can be seen at a glance, the measurement blind area is completely eliminated, and the measurement accuracy is greatly improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Such as figure 1 , figure 2 , diagram 2-1 , Figure 2-2 , Figure 2-3 As shown, the measuring electrode of this embodiment is supported by a columnar insulator 4. The columnar insulator 4 is a rigid body or a flexible body. The outer surface of the columnar insulator 4 is equidistantly stacked and arranged with single-way mutual insulation, the same shape and size. The electrode 3 is coated with insulating glue on the outer layer of the measuring electrode and put into the insulating sleeve 5. The upper end of the insulating sleeve 5 is connected to the flange plate 2, and the lower end is connected to the sealing hammer 6. Each electrode 3 is connected to a shielded cable 10, and the electrode 3 It is an arc-shaped structure made of double-sided insulated metal sheet. The columnar insulator 4 at the opening position of the arc-shaped electrode 3 is processed with a wire groove 8, and all shielded cables 10 are embedded in the wire groove 8, and pass through the fl...

Embodiment 2

[0060] Such as figure 1 , Figure 3-1 , Figure 3-11 , Figure 3-12 , Figure 3-13 , Figure 6-1 , Figure 6-11 As shown, the measuring pole of this embodiment is supported by a columnar insulator 4, the columnar insulator 4 is a rigid body or a flexible body, and the electrodes 3 are arranged in two ways at an angle of 180 degrees along the longitudinal axis of the columnar insulator 4 and arranged at equal distances, each of which is adjacent The two electrodes 3 have the same shape and size, are insulated from each other, and are laid in equidistant layers. The electrodes 3 are arc-shaped and made of double-sided insulated metal sheets. The outer layer of the measuring electrode is coated with insulating glue and then put into an insulating sleeve. The upper end of the pipe 5 and the insulating sleeve 5 are connected to the flange 2, and the lower end is connected to the sealing hammer 6. Each electrode 3 is respectively connected to a shielded cable 10, and the column...

Embodiment 3

[0063] Such as figure 1 , Pic 4-1 , Figure 4-11 , Figure 4-12 , Figure 4-13 , Figure 7-1 , Figure 7-11 As shown, the measuring pole of this embodiment is supported by a columnar insulator 4. The columnar insulator 4 is a rigid body or a flexible body. The electrodes 3 are arranged in three lines at intervals of 120 degrees along the longitudinal axis of the columnar insulator 4. Each line is adjacent to each other. The two electrodes 3 have the same shape and size, are insulated from each other, and are laid in equidistant layers. The electrodes 3 are arc-shaped and made of double-sided insulated metal sheets. The outer layer of the measuring electrode is coated with insulating glue and then put into an insulating sleeve. The upper end of the pipe 5 and the insulating sleeve 5 are connected to the flange 2, and the lower end is connected to the sealing hammer 6. Each electrode 3 is respectively connected to a shielded cable 10, and the columnar insulator 4 between t...

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Abstract

The invention relates to a radio frequency induction lamination level sensor, belongs to the filed of detecting devices, and aims to provide a sensor. The sensor can delaminate a medium to be detected infinitely and have a panoramic view of the distribution situation of dielectric layers to be detected so as to completely eliminate measuring blind areas and greatly improve the measuring accuracy, can accurately measure the interface of two liquid media with different specific inductive capacities or the interface of a gas and a liquid, also can accurately measure oil-gas interface, oil-emulsified layer interface and water-emulsified layer interface, and can perform full-range and high-precision measurement on the thicknesses of an oil layer, an emulsified layer and sewage in a crude oil storage tank. The sensor is provided with a radio frequency transducer and a measuring pole, and is characterized in that a columnar or tubular insulator supports the inside of the measuring pole; and electrodes which are insulated mutually and have the same shape and size are laminated and arrayed on the outer side of the columnar or tubular insulator at equal intervals; each electrode is electrically connected with the radio frequency transducer through a shielded cable respectively; and the outer layer of the measuring electrodes is provided with an insulated sleeve.

Description

technical field [0001] The invention relates to a measuring device, which is suitable for the level measurement of a single medium and the level measurement of different media, especially capable of measuring the positions of the oil-gas interface, oil-emulsion layer interface, water-emulsion layer interface and Level sensor for full-scale detection of oil layer thickness, emulsified layer thickness, sewage thickness and height, and water content distribution. Background technique [0002] As we all know, electric desalting is usually used to desalt and dehydrate crude oil in petroleum refining. The crude oil electric desalting process mainly destroys the emulsified state of the crude oil emulsion by adding purified water and demulsifier to the crude oil under high temperature and high pressure. Under the action of the high-voltage electric field, the tiny water droplets in the crude oil coalesce into large water droplets to separate the oil and water, which will inevitably...

Claims

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Application Information

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IPC IPC(8): G01F23/284
Inventor 邹勇
Owner 威海宝源电气有限公司
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