CN212379332U

CN212379332U - Water quality monitoring alarm system of water supply tower of residential community

Info

Publication number: CN212379332U
Application number: CN202021174617.2U
Authority: CN
Inventors: 张保健; 陈彦冰; 王宏
Original assignee: Henan Milestone Technology Co ltd
Current assignee: Henan Milestone Technology Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-01-19
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a water quality monitoring alarm system of water tower for residential community, including PH detection circuitry, signal amplifier, AD converter and power, PH detection circuitry gathers quality of water PH signal and with signal transmission to signal amplifier in, the signal of signal amplifier output gets into the AD converter and carries out analog-to-digital conversion, and in the digital signal who outputs from the AD converter got into the singlechip, singlechip still connect power, GPRS module, memory and alarm respectively. The utility model discloses water quality testing alarm system circuit structure is simple, components and parts are few, utilizes the silver chloride probe as pH value detecting element, carries out real-time detection to the pH value in the quality of water, in case the appearance unusual not only can send closely reporting to the police, can also send remote alarm through the GPRS module, consequently has the measuring accurate, manifold advantage of function.

Description

Water quality monitoring alarm system of water supply tower of residential community

Technical Field

The utility model relates to a detecting system specifically is a water quality monitoring alarm system of resident's community water supply tower.

Background

The pH value of water to be drunk in ordinary life is 6.5-8.5, the standard of the pH value is positioned according to the standard of hydrogen ions, the water which is less than 7 is acidic, the water which is more than 7 is alkaline, the standard of direct drinking water is just neutral, but the pH values of various water which are colorless and tasteless are actually greatly different, the harmfulness to the health of a human body is completely different, and the health of the human body is damaged when the water with the higher or lower pH value is drunk for a long time, so that the necessary monitoring is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water quality monitoring alarm system of resident community water supply tower to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a water quality monitoring and alarming system of a water supply tower of a residential community comprises a PH detection circuit, a signal amplifier, an A/D converter and a power supply, wherein the PH detection circuit collects a water quality PH signal and transmits the signal to the signal amplifier, the signal output by the signal amplifier enters the A/D converter for analog-to-digital conversion, a digital signal output from the A/D converter enters a single chip microcomputer, and the single chip microcomputer is also respectively connected with the power supply, a GPRS module, a memory and an alarm;

the PH detection circuit comprises a chip IC1, an adjustable resistor R2, a diode D1 and a probe A, wherein one end of the adjustable resistor R2 is connected with a resistor R1 and a pin 1 of a chip IC1, a pin 3 of the chip IC1 is connected with the probe A, a pin 4 of the chip IC1 is connected with the resistor R3 and the other end of the adjustable resistor R2, the other end of the resistor R3 is connected with a resistor R8, a capacitor C1 and a pin 1 of a chip IC2, the other end of the capacitor C1 is connected with the other end of the resistor R8, a pin 4 of the chip IC2 and a signal output end OUT, a pin 3 of the chip IC2 is connected with a resistor R6, the other end of the resistor R6 is connected with a resistor R6 and a resistor R6, the other end of the resistor R6 is connected with a cathode of the diode D6, and the models of the chip IC 6.

As the preferred scheme of the utility model: the probe A is a silver chloride probe.

The GPRS module is in wireless connection with a mobile phone of a monitoring person.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses water quality testing alarm system circuit structure is simple, components and parts are few, utilizes the silver chloride probe as pH value detecting element, carries out real-time detection to the pH value in the quality of water, in case the appearance unusual not only can send closely reporting to the police, can also send remote alarm through the GPRS module, consequently has the measuring accurate, manifold advantage of function.

Drawings

FIG. 1 is a block diagram of a water quality monitoring and alarming system of a water tower for water supply in a residential community;

fig. 2 is a circuit diagram of the PH detection circuit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a water quality monitoring and alarming system of a water supply tower of a residential community comprises a PH detection circuit, a signal amplifier, an a/D converter and a power supply, wherein the PH detection circuit collects a PH signal of water quality and transmits the signal to the signal amplifier, the signal output by the signal amplifier enters the a/D converter for analog-to-digital conversion, a digital signal output from the a/D converter enters a single chip microcomputer, and the single chip microcomputer is also connected with the power supply, a GPRS module, a memory and an alarm respectively;

The probe A is a silver chloride probe.

The utility model discloses a theory of operation is: the core detection module of the system is a PH detection circuit, as shown in fig. 2, the core of the circuit is a silver chloride probe a connected to the 3-pin input terminal of the amplifier IC 1. The typical impedance of the signal output from probe A is 10-1000M Ω, and the input current of the amplifier is extremely small because of the high impedance. V1 is an LMC6001 amplifier, which has the advantage of a small input current. The overall gain of the pH detection circuit may be adjusted by an adjustable variable resistor R2. The output voltage of the chip IC1 is added on the chip IC2 to provide reverse bias for the chip IC2, the resistor R4, the diode D1, the resistor R6, the resistor R7 and the like form a reference voltage circuit, so that the output voltage keeps linear relation with the pH value in the whole measuring range of the probe A, the voltage output from the output end pin 4 of the chip IC2 is added on a signal amplifier to amplify signals, analog-to-digital conversion is performed through an A/D converter, and machine language capable of being identified by a single chip computer is output, the single chip computer processes input data through an internal encoder/decoder and judges, when the pH value exceeds a normal range, the single chip computer sends out alarm sound through an alarm, and meanwhile, the GPRS module sends out wireless signals to equipment such as a remote mobile phone, a computer and the like, for example, the mobile phone of a monitoring person to prompt the monitoring person to process.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A water quality monitoring and alarming system of a water supply tower of a residential community comprises a PH detection circuit, a signal amplifier, an A/D converter and a power supply, and is characterized in that the PH detection circuit collects a water quality PH signal and transmits the signal to the signal amplifier, the signal output by the signal amplifier enters the A/D converter for analog-to-digital conversion, a digital signal output from the A/D converter enters a single chip microcomputer, and the single chip microcomputer is also respectively connected with the power supply, a GPRS module, a memory and an alarm; the PH detection circuit comprises a chip IC1, an adjustable resistor R2, a diode D1 and a probe A, wherein one end of the adjustable resistor R2 is connected with a resistor R1 and a pin 1 of a chip IC1, a pin 3 of the chip IC1 is connected with the probe A, a pin 4 of the chip IC1 is connected with the resistor R3 and the other end of the adjustable resistor R2, the other end of the resistor R3 is connected with a resistor R8, a capacitor C1 and a pin 1 of a chip IC2, the other end of the capacitor C1 is connected with the other end of the resistor R8, a pin 4 of the chip IC2 and a signal output end OUT, a pin 3 of the chip IC2 is connected with a resistor R6, the other end of the resistor R6 is connected with a resistor R6 and a resistor R6, the other end of the resistor R6 is connected with a cathode of the diode D6, and the models of the chip IC 6.

2. The water quality monitoring and alarming system of the water tower for the residential community as claimed in claim 1, wherein the probe A is a silver chloride probe.

3. The water quality monitoring and alarming system of the water tower for the residential community as claimed in claim 1, wherein the GPRS module is in wireless connection with a mobile phone of monitoring personnel.