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Computer controller in drinking water device capable of testing conductivity of water

A water dispenser and controller technology, applied in computer control, electrical program control, program control in sequence/logic controllers, etc., can solve the problems of no water, inability to judge the quality of water quality, and no water conductivity detection, etc. To achieve the effect of preventing the increase of water conductivity

Inactive Publication Date: 2004-10-27
GUANGZHOU QINGTIAN INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] 1. There is no conductivity test for the purified water, so it is impossible to judge whether the water quality is good or bad, so it is impossible to remind the user to overhaul the corresponding components in time;
[0005] 2. There is no control over the water, regardless of the quality of the water, it will enter the user's drinking bucket;

Method used

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  • Computer controller in drinking water device capable of testing conductivity of water
  • Computer controller in drinking water device capable of testing conductivity of water
  • Computer controller in drinking water device capable of testing conductivity of water

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Embodiment Construction

[0016] like figure 1 As shown, the main hardware parts of the present invention include single-chip microcomputer, temperature detection circuit, water conductivity detection circuit, filter core flow detection circuit, button input circuit, voice prompt circuit, display circuit, output heating power and compressor refrigeration control circuit, each Water valve switch circuit, rectifier filter power supply circuit.

[0017] The above-mentioned circuits are subpackaged on two circuit boards, the first is a power supply board, and the second is a control board, and they are connected with sockets and flat cables. The control board mainly includes a single-chip microcomputer, a temperature detection circuit, a water conductivity detection circuit, a filter element flow detection circuit, a key input circuit, a sound prompt circuit, a display circuit and a part of a rectification and filtering power supply circuit. It is mainly responsible for the user interface such as buttons,...

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Abstract

The computer controller includes singlechip, temperature detection circuit, key entry circuit, sound hint circuit etc. The said each functional circuit is connected to relevant interface of the singlechip. The computer controller also includes circuit for testing conductivity of water composed of two exploring electrodes for water resistance, divider resistance and operational amplifier. One exploring electrode is connected to instant pulsing signal generated by singlechip. One route of another exploring electrode through divider resistance is connected ground, and another route is connected to common mode input end of operational amplifier. Output end of operational amplifier is connected to signal sampling pin of singlechip. The drinking water device ensures water quality by testing conductivity of water.

Description

technical field [0001] The invention relates to a water dispenser controller, in particular to a water dispenser computer controller with water conductivity detection. Background technique [0002] Ordinary water purifiers simply add a few filter elements to ensure the purity of the water. However, the purity of water cannot be guaranteed in the following two cases: (1), when granular activated carbon is used as the final filter element, when the filter element is new, the water quality will deteriorate due to the action of dust; (2), The filter element of any material has a service life. After the service life is over, the purified water cannot guarantee the purity. [0003] The following disadvantages exist in all these similar products at present: [0004] 1. There is no conductivity test for the purified water, so it is impossible to judge whether the water quality is good or bad, so it is impossible to remind the user to overhaul the corresponding components in time; ...

Claims

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Application Information

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IPC IPC(8): G01R27/22G05B15/02G05B19/04
Inventor 李宇陈惠标刘秀红刘春兰
Owner GUANGZHOU QINGTIAN INDAL
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