CN218036762U - Water quality testing system based on Arduino - Google Patents

Abstract

The utility model belongs to the technical field of water quality monitoring, the utility model provides a water quality testing system based on Arduino, including data acquisition module, arduino singlechip and power module; the data acquisition module includes DHT11 sensor, simulation PH value sensor, conductivity sensor, matlab turbidity sensor and GPS orientation module, through being provided with multiple sensor, insert this equipment into the aquatic, rely on the various sensors that set up to carry out real-time detection to quality of water such as temperature, quality of water PH value, conductivity and turbidity, need not the manual work and sample the waters that detect, improved detection efficiency, reduce detection cycle and detection cost, the person of facilitating the use is to the detection of quality of water.

Description

Water quality testing system based on Arduino

Technical Field

The utility model belongs to the technical field of water quality monitoring, in particular to water quality testing system based on Arduino.

Background

The water quality monitoring is a process for monitoring and measuring the types of pollutants in the water body, the concentrations and the variation trends of various pollutants and evaluating the water quality condition. The monitoring range is very wide, and comprises uncontaminated and contaminated natural water (rivers, lakes, seas and underground water) and various industrial drainage and the like. The main monitoring projects can be divided into two main categories: one is a comprehensive index reflecting the water quality conditions, such as temperature, chroma, turbidity, pH value, conductivity, suspended matters, dissolved oxygen, chemical oxygen demand, biochemical oxygen demand and the like; the other is some toxic substances, such as phenol, cyanogen, arsenic, lead, chromium, cadmium, mercury, organic pesticides and the like. In order to objectively evaluate the water quality of rivers and oceans, it is sometimes necessary to measure the flow velocity and flow rate in addition to the above-mentioned monitoring items.

The existing water quality detection technology firstly carries out water body sampling manually, then sends a water body sample to a laboratory, and detects various indexes of the water body through a chemical instrument. The system has the advantages of high detection cost, low efficiency, long detection period, poor real-time performance and the like, so that the water quality detection system is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a water quality testing system based on Arduino has solved among the prior art water quality testing and has needed the manual work to detect target sampling back and then deliver to the detection ground for detect with high costs, inefficiency, real-time poor and increase detection cycle's problem.

The technical scheme of the utility model is realized like this:

a water quality detection system based on Arduino comprises a data acquisition module, an Arduino single chip microcomputer and a power module;

the data acquisition module comprises a DHT11 sensor, a simulated PH value sensor, a conductivity sensor, a Matlab turbidity sensor and a GPS positioning module.

Wherein the voltage range of the power supply module is between 0 and 5V.

Wherein, be provided with AD converting circuit between simulation PH value sensor and the Arduino singlechip, rely on AD converting circuit to carry out the output with the analog signal conversion of simulation PH value sensor to digital signal.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

1. the utility model discloses in, through being provided with multiple sensor, insert this equipment aquatic, rely on the various sensors that set up to carry out real-time detection to quality of water such as temperature, quality of water pH value, conductivity and turbidity, need not the manual work and samples the waters that detect, improved detection efficiency, reduce detection cycle and detection cost, the person of facilitating the use is to the detection of quality of water.

2. In the utility model, the sensor hardware in the data acquisition module is integrated by arranging the singlechip and the data acquisition module, so that the volume of the water quality detection equipment is reduced, and the water quality detection equipment is convenient for a user to carry;

3. the utility model discloses in, through being provided with GPS orientation module for water quality testing equipment in this application can not receive the influence of geographical position and use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Figure 1 is the utility model relates to a water quality testing system theory of operation schematic diagram based on Arduino.

In the figure, 1, a data acquisition module; 101. a DHT11 sensor; 102. a simulated PH value sensor; 103. a conductivity sensor; 104. a Matlab turbidity sensor; 105. a GPS positioning module; 2. an Arduino singlechip; 3. and a power supply module.

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 efforts belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1, a water quality detection system based on Arduino comprises a data acquisition module 1, an Arduino single chip microcomputer 2 and a power module 3; the data acquisition module 1 comprises a DHT11 sensor 101, an analog PH value sensor 102, a conductivity sensor 103, a Matlab turbidity sensor 104 and a GPS positioning module 105;

wherein, the voltage range of the power module 3 is between 0-5V; the voltage of the power supply module 3 can be 5V, the Arduino single chip microcomputer is supplied with power through the power supply module 3, and the overall power consumption of the equipment is low;

an AD conversion circuit is arranged between the analog PH value sensor 102 and the Arduino single chip microcomputer 2, and analog signals of the analog PH value sensor 102 are converted into digital signals to be output by the AD conversion circuit;

put into the aquatic with the sensor detection head of equipment, set up NTC temperature element in the DHT11 sensor 101, detect the temperature through the temperature element, respond to the aquatic temperature through the thermistor, its resistance value changes along with according to the change of temperature, learn the temperature on transmitting this signal to the singlechip, and simulation pH value sensor 102 relies on measuring the electrode difference that the inboard set up and obtains the pH value in the aquatic, because simulation pH value sensor 102 output signal is analog signal consequently need be changed into digital signal output value Arduino singlechip through AD converting circuit on, other sensors such as conductivity sensor 103, matlab turbidity sensor 104 and GPS orientation module 105 are prior art, consequently do not describe in the text repeatedly, in addition can transmit the data that obtain in the singlechip to the host computer, can carry out visual processing to data.

The working principle is as follows: utilize integrated DHT11 sensor 101 on the equipment, simulation pH value sensor 102, conductivity sensor 103, matlab turbidity sensor 104 and GPS orientation module 105 detect regional interior water quality, can obtain the temperature, water pH value, numerical values such as aquatic conductivity and turbidity, and the Arduino singlechip is low than all the other singlechip operation difficulties, easily go up the hand, the person of facilitating the use's use, utilize this equipment need not sample water, can obtain the quality of water condition, mainly reduced detection cost and improved detection efficiency etc..

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (3)

1. A water quality detection system based on Arduino is characterized by comprising a data acquisition module (1), an Arduino single chip microcomputer (2) and a power module (3);

the data acquisition module (1) comprises a DHT11 sensor (101), a simulation PH value sensor (102), a conductivity sensor (103), a Matlab turbidity sensor (104) and a GPS positioning module (105).

2. The Arduino-based water quality detection system as recited in claim 1,

the voltage range of the power supply module (3) is between 0 and 5V.

3. The Arduino-based water quality detection system as recited in claim 1,

be provided with AD converting circuit between simulation PH value sensor (102) and Arduino singlechip (2), rely on AD converting circuit to carry out the output with the analog signal conversion of simulation PH value sensor (102) digital signal.

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