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Solid coupling agent for portable ultrasonic liquid level detector

A technology of ultrasonic wave and couplant, applied in the field of couplant for ultrasonic liquid level meter, can solve the problems of no longer detection, damage to the appearance of the container, complicated operation process, etc., to avoid uneven application, improve accuracy, and repeat detection. high effect

Inactive Publication Date: 2019-01-18
ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high viscosity of the commonly used liquid couplant, even if it is wiped in time after the test is completed, some parts will remain on the surface of the equipment, resulting in damage to the appearance of the container, which is not allowed in quite a few fields
In addition, viscous liquid couplants can bond with atmospheric dust to form a scale, rendering the site no longer detectable
And when the equipment is located higher than the ground or close to the live parts, if it is necessary to apply a viscous couplant for each detection and then wipe it off, the operation process is too cumbersome and has a certain degree of danger. The viscous liquid couplant not applicable

Method used

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  • Solid coupling agent for portable ultrasonic liquid level detector
  • Solid coupling agent for portable ultrasonic liquid level detector
  • Solid coupling agent for portable ultrasonic liquid level detector

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A solid coupling agent for a portable ultrasonic liquid level detector, made of the following components in parts by weight: 90 parts of vinyl silicone rubber, 10 parts of gas phase white carbon black, hexamethylcyclotrisilazane and octamethyl 4 parts of cyclotetrasiloxane mixture, 0.5 part of dicumyl peroxide, and 0.8 part of azodicarbonamide.

[0028] The preparation method is: add vinyl silicone rubber, fumed silica, mixture of hexamethylcyclotrisilazane and octamethylcyclotetrasiloxane, and azodicarbonamide into the open mill in sequence, Botong 5 After the second time, the material is cut, and the dicumyl peroxide is added for re-milling, and then the thin pass is carried out, and it is parked for 26 hours, and the mill is used for re-milling, and the solid coupling agent is obtained by pressing out after being fully soft and smooth. .

Embodiment 2

[0030] A solid coupling agent for a portable ultrasonic liquid level detector, which is made of the following components in parts by weight: 100 parts of vinyl silicone rubber, 15 parts of gas phase white carbon black, hexamethylcyclotrisilazane and octamethyl 6 parts of cyclotetrasiloxane mixture, 0.8 part of dicumyl peroxide as the vulcanizing agent, and 1 part of azodicarbonamide.

[0031] The preparation method is: add vinyl silicone rubber, fumed silica, mixture of hexamethylcyclotrisilazane and octamethylcyclotetrasiloxane, and azodicarbonamide into the open mill in sequence, Botong 5 After the second time, the material is cut, and the dicumyl peroxide is added for re-milling, and then the thin pass is carried out, and it is parked for 24 hours, and the mill is used for re-milling, and the solid coupling agent is obtained by pressing out after being fully soft and smooth on the surface. .

Embodiment 3

[0033] A solid coupling agent for a portable ultrasonic liquid level detector, made of the following components by weight: 120 parts of vinyl silicone rubber, 20 parts of gas phase white carbon black, hexamethylcyclotrisilazane and octamethyl 8 parts of cyclotetrasiloxane mixture, 1 part of dicumyl peroxide, and 1.2 parts of azodicarbonamide.

[0034] The preparation method is: add vinyl silicone rubber, fumed silica, mixture of hexamethylcyclotrisilazane and octamethylcyclotetrasiloxane, and azodicarbonamide into the open mill in sequence, Botong 5 After the second time, the material is cut, and the dicumyl peroxide is added for re-milling, and then the thin pass is carried out, and it is parked for 30 hours, and the mill is used for re-milling. After being fully soft and smooth, the surface is pressed out to obtain the solid coupling agent. .

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Abstract

The invention provides a solid coupling agent for a portable ultrasonic liquid level detector. The solid coupling agent is mainly composed of base glue and a filler. The solid coupling agent has goodelasticity, and can be obviously deformed under the action of an external pressure; and an air gap between a piezoelectric ultrasonic probe and tested equipment can be eliminated, so that the purposeof eliminating air layer blockage is achieved.

Description

technical field [0001] The invention belongs to the technical field of coupling agents for ultrasonic liquid level instruments, in particular to a solid coupling agent for portable ultrasonic liquid level detectors. Background technique [0002] Ultrasonic liquid level gauge, as a typical non-contact measuring instrument, is widely used in liquid level measurement occasions in many fields such as industry and national defense. The principle is that ultrasonic waves have a great penetrating ability to liquids and solids. When encountering an interface composed of two different media, significant reflections will occur, forming reflected echoes, and thus calculating the distance from the liquid surface. Since the ultrasonic wave can hardly pass through the air-solid (liquid) interface, there must be no air medium between the ultrasonic probe and the object to be measured, otherwise the formed air-solid (liquid) interface will block the propagation of the ultrasonic wave and ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F23/296
CPCG01F23/296
Inventor 梁沁沁林朝扶韩方源张龙飞
Owner ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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