CN211207123U

CN211207123U - Measurement and control device based on narrow-band Internet of things NBIOT technology

Info

Publication number: CN211207123U
Application number: CN201921776953.1U
Authority: CN
Inventors: 林兵; 袁礼; 林光明; 谢彦; 倪川鸿
Original assignee: Chongqing Yushui Instrument Co ltd
Current assignee: Chongqing Yushui Instrument Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-08-07
Anticipated expiration: 2029-10-22

Abstract

The utility model provides a measurement and control device based on narrowband thing networking NBIOT technique, processing module is connected with collection input module, processing module is connected with drive output module, processing module is connected with communication module, processing module is connected with storage module, processing module is connected with display module, storage module, communication module, processing module, collection input module and drive output module are connected with power module's output, have realized observing and controlling parameter real-time on-line monitoring such as smart power grids, intelligent water pipe network, intelligent house and smart power grids, the real-time on-line control of executor of intelligent water pipe network, intelligent house high-efficiently, have reduced smart power grids, intelligent water pipe network, the expense of intelligent house observing and controlling system operation, have improved the managerial efficiency.

Description

Measurement and control device based on narrow-band Internet of things NBIOT technology

Technical Field

The utility model relates to a measurement and control device based on narrowband thing networking NBIOT technique belongs to communication technology field.

Background

In the prior art, with the rapid development of NB-IOT technology and embedded technology, remote measurement and control devices are widely applied to many fields such as smart grids, smart homes, remote monitoring, data acquisition, and the internet of things, and become one of the core devices of industrial automation systems. The main function is to utilize each channel to collect the required data of the external sensor equipment in dangerous and complex environment; the existing public network is used for carrying out data remote transmission; meanwhile, other primary instrument equipment of the access device can be regulated, controlled and the like, and the Chinese patent application number is as follows: 201811442200.7 discloses a remote monitoring system based on a matrix type NB-IoT intelligent water meter, which cannot store parameters and acquired data independently in the data storage process and has poor data storage safety.

SUMMERY OF THE UTILITY MODEL

To the problem that exists at present, the utility model provides a be applied to remote measurement and control device such as smart power grids, intelligent water pipe network, intelligent house and put, control cost and reduction consumption under the condition of richening the interface function, but operation remote communication, automatic storage, automatic acquisition, automatic control, soft reset satisfy the requirement that most remote data observed and controled.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a measurement and control device based on narrowband thing networking NBIOT technique, includes processing module, processing module is connected with collection input module, processing module is connected with drive output module, processing module is connected with communication module, processing module is connected with storage module, processing module is connected with display module, storage module, communication module, processing module, collection input module and drive output module are connected with power module's output.

Further, the storage module comprises parameter storage and data storage, the parameter storage is performed through an EEPROM, and the acquired data is stored through an F L ASH chip.

Furthermore, the communication module comprises an NB-IOT channel and an RS485 channel, wherein the NB-IOT channel is a channel mainly used for uplink transmission; and the RS485 channel acquisition module is externally connected with various data acquisition sensor devices.

Further, the output voltage of the power supply module includes two types, 5V and 3.7V.

Further, the processing module is a low-power 32-bit ARM processor, and the model of the processing module is STM 32L 475 RG.

The utility model has the advantages that: the utility model discloses a measurement and control device based on narrowband thing networking NBIOT technique, the utility model discloses the real-time on-line monitoring of measurement and control parameters such as smart power grids, intelligent water pipe network, smart home and smart power grids, intelligent water pipe network, the real-time on-line control of executor at smart home have been realized high-efficiently, have reduced the expense of smart power grids, intelligent water pipe network, the operation of smart home measurement and control system, have improved the managerial efficiency, and the security after gathering the back data is higher.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic block diagram of the present invention;

FIG. 2 is a schematic diagram of an NB-IOT communication module according to the present invention;

fig. 3 is a schematic diagram of an RS485 communication module of the present invention;

FIG. 4 is a schematic diagram of a 4-20mA analog quantity acquisition module circuit of the acquisition input module of the present invention;

fig. 5 is a circuit schematic diagram of the switching value output control module of the driving output module of the present invention;

FIG. 6 is a schematic diagram of the overall system of the present invention in particular use;

in the figure: the device comprises a processing module 1, a display module 2, a storage module 3, a communication module 4, a collection input module 5, a drive output module 6 and a power supply module 7.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-6, the present invention provides a technical solution: a measurement and control device based on a narrow-band Internet of things NBIOT technology comprises a processing module 1, wherein the processing module 1 has the functions of main program execution and communication control and data operation, operation results can be sent to a storage module 3 to be stored as required or sent to a communication module to be sent, the processing module 1 is connected with an acquisition input module 5, the acquisition module is mainly used for externally connecting various data acquisition sensor devices, in order to improve the reliability of the system, a signal input (4-20 mA) is uniformly adopted, the processing module 1 is connected with a driving output module 6, the processing module 1 is connected with a communication module 4, the processing module 1 is connected with the storage module 3, the processing module 1 is connected with a display module 2, the storage module 3, the communication module 4, the processing module 1, the acquisition input module 5 and the driving output module 6 are connected with the output end of a power supply module 7, and the module is responsible for providing working power supply for all modules.

The storage module 3 comprises parameter storage and data storage, wherein the parameter storage is performed through an EEPROM, and the acquired data is stored through an F L ASH chip.

The communication module 4 comprises an NB-IOT channel and an RS485 channel, wherein the NB-IOT channel is a channel mainly used for uplink transmission; the RS485 channel acquisition module is externally connected with various data acquisition sensor devices, so that field debugging is facilitated, an RS485 channel is added, setting and correction are performed according to field actual use condition parameters in the use process, an industrial-grade RS485 chip is adopted in the design of a hardware circuit, and corresponding protection is added at an output stage; the other path of RS485 is responsible for collecting relevant flow data of the flow equipment; and upload the traffic data to the server.

The remote data measurement and control terminal is used as a bridge for connecting the acquisition sensor and the data center, is connected to the NB-IOT network when the equipment is powered on, takes the NB-IOT network as a wireless data transmission platform, simultaneously establishes a communication link with the data center, and receives and transmits real-time data acquired by the data acquisition sensor in real time through various downlink channels, and essentially, the data acquisition equipment and the data center are connected into the NB-IOT network platform to realize remote transparent transmission of the finally acquired data. The acquisition sensor equipment and the terminal equipment form a system foreground, and the data center comprises a central server, a main station, a database and other components to form the system background.

The output voltage of the power module 7 includes two kinds, 5V and 3.7V.

The processing module 1 is a low-power 32-bit ARM processor, the model of the processing module 1 is STM 32L 475RG, STM 32L 475RG is an ARM-based, core-M4 is an STM32F4 series high-performance microcontroller of a kernel, the STM 32L RG is based on an ARM provided by ST company, the ART technology enables a program to be executed in zero waiting, the efficiency of program execution is improved, the performance of the Cortex-M4 is exerted to be extremely good, new DSP and FPU instructions are integrated, the high-speed performance of 168MHz enables a digital signal controller application and rapid product development to reach a new level, the execution speed and code efficiency of a control algorithm are improved, the embedded application for processing requiring high integration and low power consumption is widely used in the industrial fields of remote monitoring, data acquisition and the like, 3 ADCs with 12 bits and more than 24 channels are built in the STM 32L 475RG, the actually-reached resolution is more than 9 bits and can meet the requirements of most of field monitoring, so that an analog input module 5 mA acquisition input circuit supporting AI-3 acquisition circuits or AI-20 analog input signals can be displayed in a graph as shown in an analog input circuit diagram 20.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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. The utility model provides a measurement and control device based on narrowband thing networking NBIOT technique, includes processing module, its characterized in that: the processing module is connected with the acquisition input module, the processing module is connected with the driving output module, the processing module is connected with the communication module, the processing module is connected with the storage module, the processing module is connected with the display module, the storage module, the communication module, the processing module, the acquisition input module and the driving output module are connected with the output end of the power module, the storage module comprises parameter storage and data storage, the parameter storage is carried out through an EEPROM, the communication module comprises an NB-IOT channel and an RS485 channel, and the NB-IOT channel is a channel mainly used for uplink transmission; and the RS485 channel acquisition module is externally connected with data acquisition sensor equipment.

2. The measurement and control device based on the narrow-band internet of things NBIOT technology of claim 1, wherein: the output voltage of the power supply module comprises 5V and 3.7V.

3. The measurement and control device based on the narrow-band Internet of things NBIOT technology of claim 1, wherein the processing module is a low-power 32-bit ARM processor, and the type of the processing module is STM 32L 475 RG.