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A kind of sodium hypochlorite preparation system and working method thereof

A technology of sodium hypochlorite and preparation system, which is applied in the directions of hypochlorous acid, hypochlorite, general control system, etc., can solve the problems of difficulty in stability, many peripheral devices, and inability to realize remote control, and achieve the effect of avoiding losses

Active Publication Date: 2020-01-10
ENERGY RES INST OF SHANDONG ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As an independent control system, each device can only be operated on site, and the most high-end equipment can only be connected to the central control system of the water plant, and remote control cannot be realized
Moreover, the existing sodium hypochlorite preparation system operates independently from the network
[0003] At present, the technical solutions on the market have the following disadvantages: many and complex peripheral devices, high failure rate, and high cost; PID control accuracy of important parameters is poor, difficult to be stable and inflexible; important parameters have no early warning and alarm functions; stand-alone operation cannot Remote monitoring and debugging, so that users and manufacturers cannot timely understand the on-site operating conditions

Method used

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  • A kind of sodium hypochlorite preparation system and working method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] A sodium hypochlorite preparation system that can be remotely controlled and debugged based on an ARM microcontroller, such as figure 1 As shown, it includes ARM microcontroller, first drive circuit, second drive circuit, analog signal processing circuit, electrolysis power supply, concentrated salt pump, softened water regulating valve, softened water flow module, operation indicator module, conductivity meter, alarm indicator module, 4G module, HMI module, wireless data transmission module;

[0058] The ARM microcontroller is respectively connected to the first drive circuit, the second drive circuit, and the analog signal processing circuit;

[0059] The first drive circuit is respectively connected to the electrolysis power supply, the concentrated salt pump, the softened water regulating valve, the softened water flow module, the operation indicator module, the conductivity meter, and the alarm indicator module;

[0060] The second drive circuit is respectively co...

Embodiment 2

[0077] According to a kind of sodium hypochlorite preparation system that can be remotely controlled and debugged based on ARM single-chip microcomputer described in embodiment 1, the difference is that

[0078] The ARM microcontroller is a 32-bit ARM microcontroller of the STM32F407 series; as the brain of the entire control system, it realizes functions such as data collection, PID calculation, equipment control, and data storage;

[0079] The first drive circuit is a power drive circuit, including a 5V relay, a PC817 optocoupler isolator, and a C8050 triode;

[0080] The second drive circuit includes ADM2483 isolated 485 communication chip, sp3485 common 485 communication chip, sp3232 non-isolated 232 serial communication chip;

[0081] The model of the analog signal processing circuit is STM32F407; it is the built-in A / D interface;

[0082] The model of the electrolysis power supply is GGDF-300A / 25V; it adopts Huaxing Power Supply Company;

[0083] The model of the softe...

Embodiment 3

[0095] The operating method of the sodium hypochlorite preparation system that can be remotely controlled and debugged based on the ARM single-chip microcomputer described in embodiment 1 or 2 includes:

[0096] (1) Control the dosage according to residual chlorine and total flow rate, and judge the level of sodium hypochlorite at the same time, if the level is too low, enter step (2);

[0097] (2) Turn on the concentrated salt pump and softened water regulating valve to perform PID adjustment. When the brine concentration and softened water flow rate reach the set value, turn on the electrolysis power supply;

[0098] (3) In the process of electrolysis, the operation data is monitored in real time. When the ARM microcontroller detects the following situations, the alarm indicator module is mobilized to give an alarm: the operating frequency of the concentrated salt pump is high, the operating frequency of the concentrated salt pump is high, and the concentrated salt pump is ru...

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Abstract

The invention relates to a sodium hypochlorite preparation system capable of being controlled and debugged remotely based on an ARM single chip microcomputer and a working method thereof. The sodium hypochlorite preparation system comprises an ARM single chip microcomputer, a first drive circuit, a second drive circuit, an analog signal processing circuit, an electrolysis power supply, a concentrated salt pump, a softened water regulating valve, a softened water flow module, an operation indication module, an electrical conductivity meter, an alarm indication module, a 4G module, an HMI moduleand a wireless data transmission module. The sodium hypochlorite preparation system has a remote diagnosing and debugging function. Warning and alarm can be issued for the key parameters of system operation, so that users can find safety risks early to avoid loss caused by system device aging. Users can be remotely notified of corresponding alarm and handle the alarm, and the parameters of fieldoperation can also be modified and optimized remotely. By using the Internet-of-things technology, manufacturers and users can have a real-time understanding of the field operation situation and dealwith an abnormal situation in time.

Description

technical field [0001] The invention relates to a sodium hypochlorite preparation system capable of remote control and debugging based on an ARM single-chip microcomputer and a working method thereof, belonging to the technical field of sodium hypochlorite preparation. Background technique [0002] Most of the existing sodium hypochlorite preparation systems use PLC as the main control component, through the DO module to control peripheral intermediate relays, contactors and other power devices, through the DI module to collect equipment operating status, through the AI ​​module to collect signals such as temperature, pressure, flow, The AO module controls the pump operating frequency, valve opening and other parameters that need to be continuously adjusted. As an independent control system, each device can only be operated on site, and the most high-end equipment can only be connected to the central control system of the water plant, and cannot be remotely controlled. More...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/042G08B19/00C01B11/06
CPCC01B11/062G05B19/0428G08B19/00
Inventor 侯延进尉婕刘光霞王常海王佳佳田寒梅李艳陈成敏滕竟争
Owner ENERGY RES INST OF SHANDONG ACAD OF SCI
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