CN213240874U

CN213240874U - Mobile environment detection terminal

Info

Publication number: CN213240874U
Application number: CN202022689419.6U
Authority: CN
Inventors: 王少俊; 卜爱青; 王诺亚; 郭杰; 胡斌; 袁欣星
Original assignee: Jiangsu Baoer Electronic Co Ltd
Current assignee: Jiangsu Baoer Electronic Co Ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-05-18
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a remove environment detection terminal. The utility model relates to an environment detects terminal, especially relates to the improvement of environment detection terminal communication mode. And (5) stabilizing in real time. The system comprises an operation processing module, a wireless network communication module, an RS485 serial port communication module, a GPS positioning and timing module, a power supply module, a detection platform and various environment detection sensor modules; the wireless network communication module, the GPS positioning timing module and the RS485 serial port communication serial port are connected with the operation processing module, the various environment detection sensor modules are in signal connection with the RS485 serial port communication module, and the wireless network communication module is connected with the detection platform through a TCP/IP network protocol to perform real-time monitoring. The device coordinates can be located in real time by accessing the GPS location module. The stability of data transmission is improved by improving the compatibility of data.

Description

Mobile environment detection terminal

Technical Field

The utility model relates to an environment survey terminal especially relates to the improvement of environment detection terminal communication mode.

Background

Currently, environmental quality test products are mainly classified into two categories: one is a high-level professional large-scale detection instrument, which is generally used only by professional detection departments, and is almost impossible to popularize due to high price and high operation difficulty; another small but immobile product, whose main features are: although the cost is low, the device is slightly simple to operate and use, the device is not intelligent enough and cannot be compatible with various environment detection sensors. The method is characterized in that measures such as a wireless network communication technology, a GPS positioning technology and a general protocol are adopted to overcome the defect, and data acquisition terminal equipment meeting requirements such as 'object connection' is incorporated into an environment monitoring and monitoring Internet of things system. The data acquisition terminal devices cooperate with each other to complete related environment monitoring services. However, in practical use, the data feedback in the wireless network transmission process is not timely, and the GPS positioning is not accurate.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a real-time stable removal environment test terminal.

The utility model discloses a following technical scheme realizes: the mobile environment detection terminal comprises an operation processing module, a wireless network communication module, an RS485 serial port communication module, a GPS positioning and timing module, a power supply module, a detection platform and various environment detection sensor modules; the wireless network communication module, the GPS positioning timing module and the RS485 serial port communication serial port are connected with the operation processing module, the various environment detection sensor modules are in signal connection with the RS485 serial port communication module, and the wireless network communication module is connected with the detection platform through a TCP/IP network protocol to perform real-time monitoring.

A voltage reduction circuit voltage stabilizer IC chip is arranged between the power supply module and the wireless network communication module, and a voltage stabilization power supply chip voltage reduction IC is arranged between the power supply module and the operation processing module.

The operation processing module is an STC15F2K60S2 processing chip, the wireless network communication module is an ME909S-821 communication module, and the GPS positioning module is an NEO 6M GPS.

The voltage-stabilizing circuit voltage stabilizer IC chip is an LM2576 power supply chip, and the voltage-stabilizing power supply chip voltage-reducing IC is AMS 1117-3.3V.

The serial port connection is wired communication connection through an STC8A8K _ QFP64 processing chip communication serial port.

The RS485 serial port communication module is MAX485, and the signal connection of the various environment detection sensor modules and the RS485 serial port communication module is a Modbus-DTU protocol.

Compared with the prior art, the utility model discloses use the 4G full net to lead to the wireless network communication real-time supervision environmental aspect, through the communication that all kinds of sensors were realized to industry general protocol Modbus-dtu agreement, solved all kinds of sensor data communication incompatibility, the single equipment can insert 255 kinds of sensor equipment at most, but through inserting GPS orientation module real-time location equipment coordinate. The stability of data transmission is improved by improving the compatibility of data.

Drawings

FIG. 1 is a block diagram schematically illustrating the structure of the present invention;

FIG. 2 is a schematic circuit diagram of the arithmetic processing module chip of the present invention;

FIG. 3 is a schematic circuit diagram of the GPS positioning module of the present invention;

fig. 4 is a schematic circuit diagram of the power supply module of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1-4, the device comprises an operation processing module, a wireless network communication module, an RS485 serial communication module, a GPS positioning and timing module, a power supply module, a detection platform, and various environment detection sensor modules. The wireless network communication module, the GPS positioning timing module and the RS485 serial port communication serial port are connected with the operation processing module, the various environment detection sensor modules are in signal connection with the RS485 serial port communication module, and the wireless network communication module is connected with the detection platform through a TCP/IP network protocol to perform real-time monitoring. When the mobile environment detection device is initially powered on, a DC +5V, DC +3.3V direct-current power supply is generated through the power supply module, the DC +5V respectively provides a working power supply for the GPS positioning module and the 4G wireless communication module, and the DC +3.3V provides a working power supply for the MCU. Monitoring data are collected in real time by various sensors, an RS485 communication module of a main control circuit is transmitted to the main control circuit through a modbus _ dtu communication protocol, real-time data are transmitted to an MCU (micro control unit) through an MCU serial port for data analysis, the MCU transmits the analyzed data to a 4G wireless communication module through a serial port, the 4G wireless communication module transmits the analyzed data to a detection platform through a TCP/IP (transmission control protocol/Internet protocol), the platform visually displays the detection condition of the site environment, and if the alarm value is reached, the platform visually reflects alarm information and transmits the alarm information to a mobile phone of a manager in an SMS (short message service) mode. The GPS sends the real-time positioning location coordinates to the MCU through the serial port for processing, the MCU sends data to the 4G wireless communication module after data analysis, the 4G module sends the real-time coordinate data to the platform, and the platform map can position the equipment coordinate location in real time. The environment condition is monitored in real time by using 4G full-network wireless network communication, the communication of various sensors is realized by an industrial general protocol Modbus-dtu protocol, the problem of incompatibility of data communication of various sensors is solved, 255 kinds of sensor equipment can be maximally accessed to single equipment, and the equipment coordinates can be positioned in real time by accessing a GPS positioning module. Compatibility is improved, and data transmission is more stable.

The various environment detection sensor modules refer to all environment detection sensors supporting MODBUS-DTU protocols, such as PM2.5/PM1.0, wind direction, harmful gas, noise detection and the like.

The communication mode of the modbus-dtu transmission protocol is a serial communication protocol, published in 1979 by Modicon corporation (current Schneider Electric) for communication using a Programmable Logic Controller (PLC). Modbus has become an industry standard (De factor) for industrial field communication protocols and is now a common connection between industrial electronic devices.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The mobile environment detection terminal is characterized by comprising an operation processing module, a wireless network communication module, an RS485 serial port communication module, a GPS positioning and timing module, a power supply module, a detection platform and various environment detection sensor modules; the wireless network communication module, the GPS positioning timing module and the RS485 serial port communication serial port are connected with the operation processing module, the various environment detection sensor modules are in signal connection with the RS485 serial port communication module, and the wireless network communication module is connected with the detection platform through a TCP/IP network protocol to perform real-time monitoring.

2. The mobile environment detection terminal of claim 1, wherein: a voltage-reducing circuit voltage stabilizer IC chip is arranged between the power supply module and the wireless network communication module, and a voltage-stabilizing power chip voltage-reducing IC chip is arranged between the power supply module and the operation processing module.

3. The mobile environment detection terminal of claim 1, wherein: the operation processing module is an STC15F2K60S2 processing chip, the wireless network communication module is an ME909S-821 communication module, and the GPS positioning module is an NEO 6M GPS.

4. The mobile environment detection terminal of claim 2, wherein: the voltage-stabilizing circuit voltage stabilizer IC chip is an LM2576 power supply chip, and the voltage-stabilizing power supply chip voltage-reducing IC is AMS 1117-3.3V.

5. The mobile environment detection terminal of claim 1, wherein: the serial port connection is wired communication connection through an STC8A8K _ QFP64 processing chip communication serial port.

6. The mobile environment detection terminal of claim 1, wherein: the RS485 serial port communication module is MAX485, and the signal connection of the various environment detection sensor modules and the RS485 serial port communication module is a Modbus-DTU protocol.