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Ph gauge self-cleaning device based on ultrasonic technology

An ultrasonic, self-cleaning technology, applied in the directions of cleaning methods using liquids, cleaning methods and utensils, chemical instruments and methods, etc., can solve problems such as no longer practical

Inactive Publication Date: 2016-11-16
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing pH meters have a common problem, that is, they need to be cleaned every time they are used to ensure the accuracy of the measurement.
For occasions that require long-term continuous monitoring of water quality and high maintenance costs, this pH meter is no longer practical

Method used

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  • Ph gauge self-cleaning device based on ultrasonic technology
  • Ph gauge self-cleaning device based on ultrasonic technology
  • Ph gauge self-cleaning device based on ultrasonic technology

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Embodiment Construction

[0011] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0012] figure 1 It is a structural diagram of a pH meter, which includes a pH meter body 1 , an ultrasonic generator 2 , a cable 3 , an ultrasonic transducer 4 , a shielding cavity 5 , an electrode bulb 6 and a water-permeable net 7 . The inside of the pH meter main body 1 is a 3mol / L kcl buffer solution containing saturated AgCl, with a pH value of 7. Under normal circumstances, the H ions in the solution to be tested can enter the interior of the pH meter body 1 through the pH meter electrode bulb 6, and the electrodes inside the pH meter body 1 will detect the potential change, thereby obtaining the solution to be tested. pH value. When the surface of the electrode bulb 6 of the pH meter is polluted by the solution to be measured, the H ion channel will be blocked, and the pH meter cannot detect the potential change...

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Abstract

The invention relates to a pH gauge self-cleaning device based on the ultrasonic technology. A pH gauge comprises a pH gauge main body (1) and an electrode bulb (6) connected with the pH gauge main body (1); the pH self-cleaning device comprises an ultrasonic generator (2), an ultrasonic transducer (4), a shielding cavity (5) and a metal permeable net (7); the ultrasonic transducer is located near the electrode bulb (6); the electrode bulb (6) is covered with the shielding cavity (5); an opening is formed in the shielding cavity (5); the metal permeable net (7) is fixed at the opening; and the shielding cavity (5) is used for enabling ultrasonic waves generated by the ultrasonic transducer (4) to form vibration near the surface of the electrode bulb (6). The pH gauge self-cleaning device based on the ultrasonic technology achieves self-cleaning of the surface of a pH sensor; and therefore it is beneficial for the sensor to monitor the ocean water quality continuously for a long time.

Description

technical field [0001] The invention relates to the field of pH meter devices, in particular to the field of pH meter devices with self-cleaning function. Background technique [0002] The utilization of seawater is an important way to solve the shortage of water resources in my country's coastal areas. Because marine environmental monitoring is affected by many factors such as the harsh marine monitoring environment and the variety of monitoring objects, it is difficult to realize it with ordinary equipment and technology. At present, the three-dimensional monitoring system of the marine environment using wireless sensor networks is a relatively effective method, and it is also one of the current frontier research hotspots. [0003] Generally speaking, the monitoring of sea water quality needs to monitor many indicators, such as dissolved oxygen, salinity, temperature and pH value, among which pH value is a very important indicator. However, the existing pH meters all have...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B3/12
CPCB08B3/12
Inventor 邹强苏奇马建国付超莫申童
Owner TIANJIN UNIV
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