CN210777116U

CN210777116U - Low-power consumption data acquisition wireless module

Info

Publication number: CN210777116U
Application number: CN201922315947.2U
Authority: CN
Inventors: 陈若飞; 王守闯; 郝方方; 甘险峰; 刘富鑫
Original assignee: Henan Pioneer Automation Equipment Co ltd
Current assignee: Henan Pioneer Automation Equipment Co ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-06-16
Anticipated expiration: 2029-12-21

Abstract

The utility model discloses a low-power consumption data acquisition wireless module, including the singlechip, pass through power supply circuit connection's power with the singlechip, the USR-NB75 module of being connected with the singlechip, AI signal amplification processing circuit and RS485 RS232 serial ports, the utility model discloses real-time data forwards and uploads the data acquisition function that data support NB-iot agreement, is convenient for gather PLC, DCS, SIS or the data of instrument, adopts NB-iot agreement to carry out data transmission, has low-power consumption, high speed, wireless monitoring and control, has saved the work load of traditional ditching wiring, can make factory area, agricultural district, water factory area, more pleasing to the eye such as municipal, and the user more can reduce construction work load, promotes the installation effectiveness, reduces economic cost.

Description

Low-power consumption data acquisition wireless module

Technical Field

The utility model relates to a data acquisition instrument technical field, concretely relates to low-power consumption data acquisition wireless module.

Background

At present, waste water generated by facilities in domestic chemical plant areas, agricultural areas, water plant areas or municipal areas is a main source of urban domestic sewage, and the control and data acquisition low-power-consumption module is widely applied to the field of waste water treatment and monitoring. The traditional data acquisition module mode is mainly characterized in that a monitoring system computer is connected with a data acquisition module in a cable mode, cable laying is often accompanied, an enterprise factory digs a road, slots or erects high altitude, construction difficulty is high, and cost is high. With the continuous improvement of wireless technology, the traditional wiring is not more and more suitable for complex industrial field application, and enterprises urgently need a new generation of real-time data system of a data acquisition module, which is suitable for industrial control fields, is convenient to install and construct, saves cost and has low power consumption. The components of pollutants generated by different living facilities are different, the pollution load and seasonal variation are difficult to grasp, the sewage treatment difficulty is increased due to different social and economic development and humanistic factors of various regions,

therefore, it is a problem worthy of research to provide a low power consumption data acquisition wireless module with low power consumption, low cost and convenient installation.

Disclosure of Invention

The utility model aims at providing a low-power consumption, low-cost and install convenient low-power consumption data acquisition wireless module.

The purpose of the utility model is realized like this:

a low-power consumption data acquisition wireless module, its characterized in that: the intelligent control system comprises a single chip microcomputer, a power supply connected with the single chip microcomputer through a power supply circuit, a USR-NB75 module connected with the single chip microcomputer, an AI signal amplification processing circuit and an RS485/RS232 serial port.

The model of singlechip is STM32 singlechip, the power adopts lithium cell group.

The single chip microcomputer is connected with the Internet of things platform through an RS485/RS232 serial port.

The USR-NB75 module supports NB-iot protocols, and the single chip microcomputer is connected with field equipment through the USR-NB75 module and an RS485/RS232 serial port.

Has the positive and beneficial effects that: the utility model discloses real-time data forwards and uploads the data acquisition function that data support NB-iot agreement, be convenient for gather PLC, DCS, the data of SIS or instrument, adopt NB-iot agreement to carry out data transmission, there is low-power consumption, high speed, wireless monitoring and control, the work load of traditional ditching wiring has been saved, can make factory, agricultural district, water plant, municipal administration etc. more pleasing to the eye, the user more can reduce the construction work load, promote the installation effectiveness, reduce economic cost.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a circuit diagram of the USR-NB75 module of the present invention;

fig. 3 is a work flow chart of the information collection of the present invention;

in the figure, the following steps are carried out: the device comprises a singlechip 1, a power circuit 2, a power supply 3, a USR-NB75 module 4, an AI signal amplification processing circuit 5 and an RS485/RS232 serial port 6.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and 2, the low-power consumption data acquisition wireless module comprises a single chip microcomputer 1, a power supply 3 connected with the single chip microcomputer 1 through a power supply circuit 2, a USR-NB75 module 4 connected with the single chip microcomputer 1, an AI signal amplification processing circuit 5 and an RS485/RS232 serial port 6. The model of singlechip 1 is the STM32 singlechip, and STM32 singlechip has Flash memory space, has fixed AI data acquisition cycle, and general setting is 10 seconds, and to RS485/RS232 serial ports sensor polling acquisition after AI data acquisition, store each item data and the acquisition time of gathering in the Flash of STM32 singlechip and save, power 3 adopts the lithium cell group. The single chip microcomputer 1 is connected with the Internet of things platform through an RS485/RS232 serial port 6. The USR-NB75 module 4 supports NB-iot protocol, and the single chip microcomputer 1 is connected with field equipment through the USR-NB75 module 4 and the RS485/RS232 serial port 6.

The low-power consumption data acquisition wireless module carries out a real-time data forwarding platform and supports the data acquisition function of an NB-iot protocol, supports a Modbus RTU host protocol, supports a plurality of paths of Modbus RTU sensor devices, uses an STM32 single chip microcomputer as a Modbus RTU master station, regularly polls and acquires Modbus sensor data, generally, the period of the regularly polled acquisition is 10 seconds, a power supply 2 adopts a lithium battery or a solar panel battery, a USR-NB75 module 4 has a remote control function and supports an NB-iot protocol, the low-power consumption data acquisition wireless module supports power-off storage and power-on uploading of an Internet of things platform, regularly uploads, the low-power consumption data acquisition wireless module uploads data and wakes up once and does not upload dormancy, the computer where the low-power consumption data acquisition wireless module is located is connected with the Internet of things platform and field equipment through an RS485/RS232 serial port 6, and carries out remote transmission through the NB-iot protocol, the utility model discloses it is convenient to install, easy operation practices thrift the cost, and the site application such as the industry, agriculture, water works, municipal administration is fit for, easily popularizes and implements.

The real-time data forwarding platform of the low-power-consumption data acquisition wireless module supports an NB-iot protocol, the wireless circuit uses USR-NB75 as a core, the UART module is communicated with the STM32 single chip microcomputer through the UART, and the UART serial circuit realizes an RS-485/RS-232 interface of the STM32 single chip microcomputer and supports a Modbus RTU protocol. The NB-IOT module adopts a USR-NB75 multi-band NB-IoT module to realize the function of UART-to-NB-IoT bidirectional transparent transmission; the system comprises a domestic whole network communication device, a global mainstream area is covered, CoAP, UDP and TCP transparent transmission is supported, a low-power-consumption working mode is supported, different monitoring systems can be aimed at, such as PLC, DCS, SIS or field instruments carry out data point configuration, data acquisition and control are carried out, data are respectively displayed, monitoring real-time data are sent to an Internet of things platform and a mobile terminal to be respectively displayed and controlled according to a communication protocol of an RS485/RS232 serial port 6, a lithium battery 24V charges a solar panel of a low-power-consumption data acquisition wireless module, the low-power-consumption data acquisition wireless module is provided with an RS485/RS232 serial port, a Modbus RTU host protocol is supported, a plurality of paths of Modbus RTU sensor devices are supported, an STM single chip microcomputer serves as a Modbus RTU master station, and Modbus sensor. The STM32 single chip microcomputer stores collected various data and collection time in Flash of the STM32 single chip microcomputer for storage, when a data cycle is sent to an Internet of things platform, the STM32 single chip microcomputer extracts the data in the Flash, only changed data are extracted, the data form a protocol packet, an NB-IOT module is activated to send the data, the NB-IOT module is closed after the sending is finished, an AI signal processing circuit shapes, filters and amplifies two paths of analog signals, the signals are transmitted to the single chip microcomputer, 4-20mA current signals are supported, and the data collection cycle and the data forwarding cycle of two paths 16 of AI analog quantity channels can be adjusted according to actual conditions.

The data acquisition work flow of the low-power consumption data acquisition wireless module is as follows: if the acquisition cycle time is not up, executing a waiting function, if the acquisition cycle time is not up, starting to acquire data, then activating the NB-IoT module network, sending the acquired data to the server, then closing the NB-IoT module, waiting for the next command to activate the NB-IoT low-power-consumption data acquisition wireless module again to serve as a wireless link for data establishment, and completing communication.

The utility model discloses real-time data forwards and uploads the data acquisition function that data support NB-iot agreement, be convenient for gather PLC, DCS, the data of SIS or instrument, adopt NB-iot agreement to carry out data transmission, there is low-power consumption, high speed, wireless monitoring and control, the work load of traditional ditching wiring has been saved, can make factory, agricultural district, water plant, municipal administration etc. more pleasing to the eye, the user more can reduce the construction work load, promote the installation effectiveness, reduce economic cost.

Claims

1. A low-power consumption data acquisition wireless module, its characterized in that: the intelligent control system comprises a single chip microcomputer, a power supply connected with the single chip microcomputer through a power supply circuit, a USR-NB75 module connected with the single chip microcomputer, an AI signal amplification processing circuit and an RS485/RS232 serial port.

2. The low power consumption data acquisition wireless module of claim 1, wherein: the model of singlechip is STM32 singlechip, the power adopts lithium cell group.

3. The low power consumption data acquisition wireless module of claim 2, wherein: the single chip microcomputer is connected with the Internet of things platform through an RS485/RS232 serial port.

4. The low power consumption data acquisition wireless module of claim 2, wherein: the USR-NB75 module supports NB-iot protocols, and the single chip microcomputer is connected with field equipment through the USR-NB75 module and an RS485/RS232 serial port.

5. The low power consumption data acquisition wireless module of claim 1, wherein: this wireless module carries out real-time data and forwards the platform and supports the data acquisition function of NB-iot agreement, supports Modbus RTU host computer agreement, supports multichannel Modbus RTU sensor equipment, and the STM32 singlechip is as Modbus RTU main website, regularly polls and gathers Modbus sensor data.