Water quality on-line detection system

Abstract

The utility model discloses a water quality on-line detection system, including power supply module, singlechip, sensor module, serial port circuit and android host, the power supply module is used for the singlechip and android host power supply, the connecting end of singlechip and the connecting end of sensor module two-way electrical connection, the serial port circuit is connected with the android host. The connecting end of the single-chip microcomputer is bidirectionally and electrically connected with the connecting end of the serial port circuit, the connecting end of the serial port circuit is bidirectionally and electrically connected with the connecting end of the Android host, the Android host is bidirectionally communicated with a server through 4G, the Android host is positioned through a GPS antenna, the Android host is provided with three USB ports, and the USB ports are connected with the server. And the three USB ports are respectively connected with the USB flash disk, the ultra-wide angle camera and the mouse. The water quality online detection device has the beneficial effects that a detection environment can be conveniently photographed when water quality online detection is carried out, water quality detection data can be exported to a USB flash disk in an off-line manner in a network-free environment, and a mouse can be used for operation when touch screen operation is inconvenient to carry out on an Android host.

Description

Technical Field

[0001] The utility model relates to the technical field of on-line water quality detection, in particular to an on-line water quality detection system. Background Art

[0002] The on-line water quality detection system is mainly used for detecting the water quality of industrial wastewater, domestic sewage, drinking water and river basin water environment, etc. The application of the on-line water quality detection system greatly improves the efficiency and accuracy of water quality management, reduces the dependence on manual sampling and laboratory analysis, and is of great significance for protecting public health and environmental protection.

[0003] The Chinese invention patent with the application number of 201610973422.6 discloses a water quality on-line detection circuit, its detection device and detection system. Although, through the wireless transceiver, this detection system can realize the interconnection and communication between the mobile terminal and the detection device, and the mobile terminal can remotely monitor the detection data of the detection device, which is convenient for users to view the water quality status of drinking water at any time, so as to replace the filter element in the first time when the TDS exceeds the standard. However, this detection system has a single function, is not convenient for taking pictures of the detection environment, is not convenient for offline exporting the water quality detection data to a USB flash drive in a non-network environment, and is not convenient to use a mouse to cope with the environment where touch screen operation is not suitable. Content of the Utility Model

[0004] The purpose of the utility model is to provide an on-line water quality detection system, which solves the technical problems that in the prior art, it is not convenient to take pictures of the detection environment, it is not convenient to offline export the water quality detection data to a USB flash drive in a non-network environment, and it is not convenient to use a mouse to cope with the environment where touch screen operation is not suitable.

[0005] To achieve the above purpose, the utility model is realized by adopting the following technical scheme:

[0006] An on-line water quality detection system includes a power supply module, a single-chip microcomputer, a sensor module, a serial port circuit and an Android host. The power supply module is used to supply power to the single-chip microcomputer and the Android host. The connection end of the single-chip microcomputer is bidirectionally electrically connected with the connection end of the sensor module. The connection end of the single-chip microcomputer is bidirectionally electrically connected with the connection end of the serial port circuit. The connection end of the serial port circuit is bidirectionally electrically connected with the connection end of the Android host. The Android host communicates with the server bidirectionally through 4G, the Android host performs positioning through a GPS antenna, and three USB ports are arranged on the Android host, and the three USB ports are respectively connected with a USB flash drive, an ultra-wide-angle camera and a mouse.

[0007] Further, the power supply module includes a charging circuit, a four - series lithium battery, voltage acquisition, a main power switch, a voltage - stabilizing circuit, a power - on button, and a power switch. The output end of the charging circuit is electrically connected to the input end of the four - series lithium battery. The output end of the four - series lithium battery is respectively electrically connected to the input ends of the voltage acquisition and the power switch. The output end of the voltage acquisition is respectively electrically connected to the input ends of the main power switch and the single - chip microcomputer. The output ends of the single - chip microcomputer and the power - on button are both electrically connected to the input end of the main power switch. The output end of the main power switch is electrically connected to the input end of the voltage - stabilizing circuit. The output end of the voltage - stabilizing circuit is electrically connected to the input end of the single - chip microcomputer. The output end of the single - chip microcomputer is electrically connected to the input end of the power switch. The output end of the power switch is electrically connected to the input end of the Android host.

[0008] Further, the sensor module includes Sensor One and Sensor Two. Sensor One is a high - precision RGB color sensor, and Sensor Two is a low - precision RGB color sensor.

[0009] Further, the on - line detection system further includes a download circuit, a buzzer, and a voltage and power display module. The output end of the download circuit is electrically connected to the input end of the single - chip microcomputer. The output end of the single - chip microcomputer is respectively electrically connected to the input ends of the buzzer and the voltage and power display module.

[0010] The beneficial effects of the present utility model are as follows:

[0011] 1. By the combined use of the power supply module, the single - chip microcomputer, the sensor module, the serial port circuit, the Android host, the USB flash drive, the ultra - wide - angle camera, and the mouse, the present utility model facilitates taking pictures of the detection environment during on - line water quality detection. When in a non - network environment, the water quality detection data can be exported offline to the USB flash drive. When it is inconvenient to perform touch - screen operations on the Android host, a mouse can be used for operations.

[0012] 2. By the combined use of the charging circuit, the four - series lithium battery, voltage acquisition, the main power switch, the voltage - stabilizing circuit, the power - on button, and the power switch, the present utility model can supply power to the single - chip microcomputer and the Android host. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the system block diagram of the present utility model.

[0014] Figure 2 is the circuit diagram of the single - chip microcomputer of the present utility model.

[0015] Figure 3 is the circuit diagram of the buzzer of the present utility model.

[0016] Figure 4 is the circuit diagram of the serial port circuit of the present utility model.

[0017] Figure 5 This is the circuit diagram of the power supply module of the present utility model.

[0018] Figure 6 This is the circuit diagram of the voltage and power display module of the present utility model. Specific embodiments

[0019] To make the above objects, features, and advantages of the present utility model more understandable, the following will describe in detail the specific embodiments of the present utility model with reference to the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0020] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0021] The embodiments are as follows:

[0022] Please refer to Figure 1-6, A water quality on-line detection system, including a power supply module, a single-chip microcomputer, a sensor module, a serial port circuit and an Android host. The power supply module is used to supply power to the single-chip microcomputer and the Android host. The main control chip of the single-chip microcomputer uses STM32F107VCT6, which is responsible for controlling the system power supply, data acquisition, battery voltage and power monitoring, etc. The connection end of the single-chip microcomputer is bi-directionally electrically connected to the connection end of the sensor module. The connection end of the single-chip microcomputer is bi-directionally electrically connected to the connection end of the serial port circuit. Pin 11 of the serial port circuit is connected to pin 78 of the single-chip microcomputer, and pin 12 of the serial port circuit is connected to pin 79 of the single-chip microcomputer. The connection end of the serial port circuit is bi-directionally electrically connected to the connection end of the Android host. The single-chip microcomputer communicates with the Android host using RS232 communication, and the SP3232ECY-L chip is responsible for data interface conversion. The Android host communicates bi-directionally with the server through 4G, and the Android host performs positioning through a GPS antenna. There are three USB ports on the Android host, and the three USB ports are respectively connected to a USB flash drive, an ultra-wide-angle camera and a mouse. The Android host uses an Android industrial touch all-in-one computer of Maichong Technology with the model F10G18P-W-4G-GP. The Android host is responsible for operations such as display, operation control, data interaction with the cloud, on-site image photographing, obtaining positioning longitude and latitude, etc. The Android host can externally expand peripherals such as a mouse and a USB flash drive through the USB port. The USB flash drive, the ultra-wide-angle camera and the mouse all adopt existing technologies, which are convenient for taking pictures of the detection environment during water quality on-line detection. When in a no-network environment, the water quality detection data can be exported offline to the USB flash drive. When it is inconvenient to perform touch screen operations on the Android host, a mouse can be used for operations.

[0023] As an optional technical solution of the present utility model: The power supply module includes a charging circuit, a four-series lithium battery, voltage acquisition, a main power switch, a voltage stabilizing circuit, a power-on button and a power switch. The output end of the charging circuit is electrically connected to the input end of the four-series lithium battery. The output ends of the four-series lithium battery are respectively electrically connected to the input ends of the voltage acquisition and the power switch. The device is powered by a four-series 14.8V lithium battery. The output end of the voltage acquisition is respectively electrically connected to the input ends of the main power switch and the single-chip microcomputer. The output ends of the single-chip microcomputer and the power-on button are both electrically connected to the input end of the main power switch. The output end of the main power switch is electrically connected to the input end of the voltage stabilizing circuit. The voltage stabilizing circuit uses the switching power supply chip TPS54302DDCR to stabilize the voltage to supply power to the single-chip microcomputer and the sensor module. The output end of the voltage stabilizing circuit is electrically connected to the input end of the single-chip microcomputer. The output end of the single-chip microcomputer is electrically connected to the input end of the power switch. The output end of the power switch is electrically connected to the input end of the Android host. Only when the main power switch is turned on can the power switch of the Android host be turned on. The device uses a zero-off power consumption circuit to control the power supply. The Android host is directly powered by the lithium battery, and the single-chip microcomputer controls the on / off of the Android host through a switching MOS tube.

[0024] As an alternative technical solution of the present utility model: The sensor module includes Sensor 1 and Sensor 2. Sensor 1 is a high-precision RGB color sensor, and Sensor 2 is a low-precision RGB color sensor. Both the high-precision RGB color sensor and the low-precision RGB color sensor adopt existing technologies, and are used to analyze water quality, read the R, G, and B color values of the water collected in the negative pressure test tube, and compare with the data in the database, so as to calculate the content of elements in the collected water.

[0025] As an alternative technical solution of the present utility model: The on-line detection system further includes a download circuit, a buzzer and a voltage and power display module. The output end of the download circuit is electrically connected to the input end of the single-chip microcomputer. The pin 4 of the download circuit is connected to the pin 14 of the single-chip microcomputer. The output end of the single-chip microcomputer is respectively electrically connected to the input ends of the buzzer and the voltage and power display module. The pin 77 of the single-chip microcomputer is connected to the resistor R21 of the buzzer. The voltage and power display module is used to display voltage and power.

[0026] As an alternative technical solution of the present utility model: The on-line detection system further includes a clock circuit and a reset circuit. The pins 8, 9, 12 and 13 of the single-chip microcomputer are respectively connected to the corresponding ports of the clock circuit. The pin 14 of the single-chip microcomputer is connected between the resistor R30 and the capacitor C14 of the reset circuit.

[0027] In summary: When conducting water quality detection, the staff selects the negative pressure reagent test tube corresponding to the element to be detected, sucks water with the supporting tube wrench, places the mixed reagent test tube on the normal temperature test tube rack for static waiting for inspection or puts it into the heating module for constant temperature heating. Click the power-on button to power on the device, and the real-time battery level will be displayed. If there is no operation for 10 seconds, the device will automatically power off to save power; long-press the power-on button for more than 3 seconds, the device will turn on the battery level display and synchronously control the Android host to power on and boot. During the boot process of the Android host, the battery level display can be turned on or off by clicking the power-on button; when the Android host is in the boot state, long-press the power-on button for more than 3 seconds, the device will turn off the power supply of the Android host and turn off the battery level display at the same time. Before the device detects the water quality, the staff needs to take pictures of the detection site through the touch screen or mouse of the Android host. The background application program will print the photo-taking time and the longitude and latitude of the photo-taking location in the form of a watermark in the lower right corner of the photo, and synchronously upload the photo to the server, and a local backup will be retained for offline export. Before detecting the reagent, the staff needs to perform device self-calibration according to the screen prompts. Cover the light-shielding cover, and the device will automatically collect the status data without the detection reagent to improve the accuracy of the detection results. After the device self-calibration is completed, the staff inserts the test tube into the corresponding detection port according to the screen prompts, reads the R, G, and B color values of the test tube through the RGB sensor, and compares them with the data in the database to detect the content of the corresponding element in the water source. After the detection is completed, the device saves the detection results locally and synchronously uploads them to the server. The staff can view the detection results through the historical records; insert the U disk into the USB port of the device, click the data export button on the screen, and the device will automatically detect the U disk and package and export the data to the U disk; the types of detected elements and data can be sent from the cloud server or imported through the U disk. Insert the U disk with the detection data into the device and click the import button, and the device will automatically update the element detection database.

[0028] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes within the meaning and scope of the equivalent elements of the claims in the present utility model, and any reference signs in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An on-line water quality detection system, characterized in that: It includes a power supply module, a single-chip microcomputer, a sensor module, a serial port circuit and an Android host. The power supply module is used to supply power to the single-chip microcomputer and the Android host. The connection end of the single-chip microcomputer is bidirectionally electrically connected to the connection end of the sensor module. The connection end of the single-chip microcomputer is bidirectionally electrically connected to the connection end of the serial port circuit. The connection end of the serial port circuit is bidirectionally electrically connected to the connection end of the Android host. The Android host communicates bidirectionally with the server through 4G. The Android host performs positioning through a GPS antenna. There are three USB ports on the Android host, and the three USB ports are respectively connected to a USB flash drive, an ultra-wide-angle camera and a mouse.

2. The on-line water quality detection system according to claim 1, characterized in that: The power supply module includes a charging circuit, a four-series lithium battery, voltage acquisition, a main power switch, a voltage stabilizing circuit, a power-on button and a power switch. The output end of the charging circuit is electrically connected to the input end of the four-series lithium battery. The output ends of the four-series lithium battery are respectively electrically connected to the input ends of the voltage acquisition and the power switch. The output end of the voltage acquisition is respectively electrically connected to the input ends of the main power switch and the single-chip microcomputer. The output ends of the single-chip microcomputer and the power-on button are both electrically connected to the input end of the main power switch. The output end of the main power switch is electrically connected to the input end of the voltage stabilizing circuit. The output end of the voltage stabilizing circuit is electrically connected to the input end of the single-chip microcomputer. The output end of the single-chip microcomputer is electrically connected to the input end of the power switch. The output end of the power switch is electrically connected to the input end of the Android host.

3. The on-line water quality detection system according to claim 1, characterized in that: The sensor module includes sensor one and sensor two. Sensor one is a high-precision RGB color sensor, and sensor two is a low-precision RGB color sensor.

4. An on-line water quality detection system according to claim 1, characterized in that: The on-line detection system further includes a download circuit, a buzzer and a voltage and power display module. The output end of the download circuit is electrically connected to the input end of the single-chip microcomputer. The output end of the single-chip microcomputer is respectively electrically connected to the input ends of the buzzer and the voltage and power display module.

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