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pH adjusting device

A technology of adjustment device and pH sensor, applied in the field of pH adjustment, can solve the problems of narrow application range, slow feedback speed, long operation time, etc.

Inactive Publication Date: 2018-02-06
SHENZHEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned pH adjustment device only relies on the pH sensor as a measurement feedback device. In the actual operation process, its feedback speed is slow, the application range is narrow, and the operation time is long.

Method used

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Embodiment Construction

[0028] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0029] refer to figure 1 , the embodiment of the present invention proposes a pH adjustment device, including a drug storage box 600, a control chip 300, a pH sensor 100, a solenoid valve 200, a liquid metering unit 400, and an input unit 500;

[0030] The medicament storage box 600 is used to store the medicament for adjusting pH;

[0031] The pH sensor 100 is used to measure the pH of the liquid to be adjusted;

[0032] The solenoid valve 200 is connected to the medicine storage box 600 through a conduit, or directly connected to the liquid outlet of the medicine storage box 600, and is used to control the medicine outflow speed in the medicine storage box 600;

[0033] The liquid metering unit 400 is arranged in the medicine storage box 600, and is used to measure the change of medicine volume in the medicine sto...

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Abstract

The invention provides a pH adjusting device comprising a medicament storage box, a control chip, a pH sensor, a solenoid valve, a liquid metering unit, and an input unit; the control chip obtains pHfrom the pH sensor, obtains a medicament volume change value from the liquid metering unit, and adjusts the solenoid valve open and close levels according to the pH and the volume change value, thus allowing the adjusted liquid pH to reach the target pH. The pH adjusting device is simple in structure, easy to use, can effectively adjust pH values of different adjusted liquids, thus enabling the liquid to reach the pH value needed by experiment personnel. In addition, the device has excellent expandability, and can measure multiple parameters of the adjusted liquid.

Description

technical field [0001] The invention relates to the technical field of pH adjustment, in particular to a pH adjustment device. Background technique [0002] In the process of preparing the solution, the operation of adjusting the pH value of the solution is often involved. And these operations often rely on manual operation, the operation process is single and tedious, and the operator needs good operation skills and patience to complete this work. Therefore, it is very necessary to seek the experimental means to automatically adjust the pH. [0003] CN 106053176 A discloses a pH adjusting device, comprising an adjusting cup, an acid solution cup for storing acid solution, and an lye cup for storing alkali solution, a dropper is arranged between the acid solution cup and the adjusting cup Pipe channel I, the dropper channel I is provided with a control valve I, between the lye cup and the regulating cup is provided with a dropper channel II, and the dropper channel II is p...

Claims

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Application Information

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IPC IPC(8): G05D21/02
CPCG05D21/02
Inventor 龙武剑麦志恒张启铭莫永坤罗富明方长乐刑锋
Owner SHENZHEN UNIV
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