CN211653855U - Intelligent data acquisition instrument for industrial electricity - Google Patents

Abstract

With the development of information technology and communication technology, information becomes an effective means for the monitoring and management of the working condition in the 21 st century. The patent of the utility model discloses an appearance is adopted to industrial electricity utilization intelligence data, its wireless long distance transmission function that uses the Lora module, and the locate function and the GSM module communication function of GPS module carry out data interaction with the server, can reach the purpose to the real-time accurate data acquisition of the industrial production condition. The data connection of the upper-layer platform is applicable to multiple platforms and multiple data transmission formats; and the lower-layer electric energy meters are connected in a data mode, so that a plurality of electric energy meters can be connected according to the actual conditions of a factory and are adaptive to various electric energy meters of a plurality of manufacturers. The producer can inquire the data of the production equipment at the terminal equipment by self, and can continuously receive the power utilization data of the production equipment at the platform end to detect and manage the power utilization data. Compared with the traditional manual table look-up check, the device has the advantages of accuracy, real-time performance, high efficiency, low cost and convenience in application of industrial production.

Description

Intelligent data acquisition instrument for industrial electricity

Technical Field

The invention relates to the technical field of power equipment, in particular to the field of intelligent electric meters.

Background

With the development of information technology, the intelligentization of industrial information becomes a trend in the field. In traditional mill's power consumption, the electric energy meter only has the function of measuring the electric quantity, and the artifical accuracy of checking meter is poor not only to inefficiency, has very big potential safety hazard and manpower extravagant moreover. Thus, the semi-intelligent electric meter and the intelligent electric meter are produced by the same. Their advantages are high accuracy and low power consumption.

However, the electricity meter has the disadvantages of low integration level and low data processing efficiency, is difficult to meet the requirements of factory managers, and is not beneficial to collecting industrial electricity data.

Aiming at the current situation, an industrial power utilization intelligent data acquisition instrument is developed, the problems of low integration level and low data processing efficiency are solved, and the industrial power utilization data acquisition instrument is suitable for industrial power utilization data acquisition of modern factories and is convenient for managers to monitor working condition data in real time. In the data interaction of the smart meter, the requirements of the wireless transmission module are high speed, ultra wide band and large capacity, and the size, bandwidth, gain and the like of the antenna are limited by basic physical principles, which become technical challenges.

Disclosure of Invention

In order to solve the problems of the existing data acquisition system, the invention designs an industrial power utilization intelligent data acquisition instrument. According to the system, the integrated remote wireless real-time data acquisition of the intelligent electric meter is realized through a remote wireless technology on the premise of meeting performance requirements, and the position information of the intelligent electric meter can be acquired and finally presented on the terminal equipment and the server platform. In order to achieve the purpose, the invention adopts the following technical scheme:

in the data acquisition module of first step, this intelligence data acquisition appearance is gathered the power consumption data of three-phase electric energy meter through the communication port.

Further, the communication conversion module is connected with the remote wireless device and transmits the acquired data to the transmitting end of the remote wireless module.

Further, the module connection should include the same reference ground and high level, and the receiving serial port and the sending serial port are cross-connected.

Further, the receiving end and the transmitting end of the wireless device should preset the same communication channel, communication address and data transmission rate to ensure that data can be transmitted and interacted.

Further, the receiving end of the wireless device may receive the meter data.

Further, the program causes the terminal device to transmit the associated instructions to the remote wireless device.

Further, the remote wireless device may receive the transmitted instructions back, with the associated program causing the instructions to be converted into the desired data.

Furthermore, the related data of the electric meters can be checked on the terminal equipment of the user by sending an instruction, and each electric meter can check 8 groups of related data.

Further, the terminal device software acquires the position information of each electric meter through the GPS module.

Further, the position data is uploaded to the terminal device through the driver.

Further, the terminal device sends the obtained electric meter data and position information on each position to the platform server through the GSM module of the data transmission device.

Further, the position and electricity meter data are collected in real time and transmitted to a server.

The intelligent working condition data acquisition instrument adopts a remote wireless technology, can realize integrated management and detection of the electric meter, can conveniently inquire the electric meter data at different positions and different time periods in a terminal device of a user and a platform of a manager, and realizes remote wireless acquisition of the electric meter data and intelligent acquisition of the electricity utilization condition of industrial production.

Drawings

FIG. 1 is a flow chart of data and structure;

FIG. 2 is a diagram of a parameter configuration page for a remote wireless device;

FIG. 3 is a connection diagram of a three-phase electric meter and a communication conversion device;

FIG. 4 is a diagram of a GSM module data transfer page;

fig. 5 is a terminal device APP page display.

Detailed Description

The industrial electricity intelligent data acquisition instrument is further explained by combining the attached drawings and the specific implementation conditions.

The specific implementation of the invention is divided into four parts for explanation, namely an LoRa module, a GPS module, a GSM module, a terminal and a platform communication (i.e. software part).

A first part: LoRa module

The utility model discloses to gather ammeter data earlier stage, use the loRa module with its collection and send to terminal equipment. The module is a wireless serial port module with small volume, micropower, low power consumption and high performance and long-distance transmission. The module uses an efficient ISM frequency band radio frequency SX1278 spread spectrum chip, the working frequency of the module is 410 Mhz-441 Mhz, 1Mhz is taken as a stepping channel, and 32 channels are provided in total. The length of transmitting and receiving bytes is 512 bytes in internal ring FIFO buffer, and the internal automatic sub-package is sent.

Before data communication is performed by using the modules, parameter configuration should be performed on the modules. After electrifying, the AUX pin of LoRa is in idle state, the MD0 pin is in high level, at this moment, the module enters into configuration mode, under the configuration mode, the serial port needs to be set: baud rate "115200", stop bit "1", data bit "8", parity bit "none". Setting module parameters using AT commands: baud rate "9600", stop bit "1", data bit "8", parity bit "even", communication channel "10", module address "10", air rate "19.2 k". By configuring two or more modules as described above, one-to-one or one-to-many data communication can be performed. Gather the data of ammeter through communication port, at first, use the RS485 module to be connected with the ammeter, the connected mode is: the port A of the RS485 is connected with the port 16 of the electric meter, and the port B of the RS485 is connected with the port 15 of the electric meter. At this time, the meter data can be read out through RS 485.

And then, connecting the communication conversion equipment with the remote wireless equipment. After the connection is successful, an instruction is sent to the electric meter end LoRa through the Modbus protocol, the response of the relevant instruction can be obtained, the instruction content is converted, the electric meter data is collected successfully, and the instructions corresponding to different data on different electric meters are different. The invention can collect a plurality of data of a plurality of electric meters and send the data to a plurality of platform ends, and has high compatibility with the electric meters and the platforms, wide applicability and extremely high efficiency.

A second part: GPS module

A system for positioning and navigating in real time in the global range by using a GPS positioning satellite is called a global satellite positioning system. The product utilizes GPS to obtain longitude and latitude data of the ammeter.

Firstly, a GPS module is connected with a terminal device (ITOP4412), the ITOP4412 is provided with a special pin port for receiving a GPS, the corresponding position is clearly seen when the pin is inserted and arranged, and the GPS is in an open state in the operation process.

The parameters of the GPS module are as follows:

<1> supply voltage: 3.3V +/-5%

<2> Power consumption: 36mA-49mA

<3> baud rate: 9600bps

<4> t start-up speed: 25-32s

<5> data update speed 1S

<6> input-output pin: 1 serial port.

Using the group of data of 'GPRMC (minimum positioning information)' in the GPS module data format, the data format is: $ GPRMC, <1>, <2>, <3>, <4>, <5>, <6>, <7>, <8>, <9>, <10>, <11>, <12> -hh

Data detailed explanation:

<1> UTC time, hhmmss (time minute seconds) format

<2> location state, a ═ valid location, V ═ invalid location

<3> latitude ddmm. mmmm (degree division) format (the first 0 will also be transmitted)

<4> latitude hemisphere N (northern hemisphere) or S (southern hemisphere)

<5> longitude dddmm. mmmm (degree division) format (the first 0 will also be transmitted)

<6> hemisphere of longitude E (east longitude) or W (west longitude)

<7> ground speed (000.0 ~ 999.9 knots, the first 0 will be transmitted)

<8> ground course (000.0 ~ 359.9 degree, with true north as reference, the former 0 will be transmitted)

<9> UTC date, ddmmyy (sun, month and year) format

<10> declination (000.0 ~ 180.0 degree, the former 0 will be transmitted)

<11> declination direction, E (east) or W (west)

<12> mode indication (NMEA 01833.00 version output only, a is autonomous, D is differential, E is estimated, N is data invalid).

Note: 1. the time is greenwich mean time, which is world time, and needs to be converted into the time of the use place and adjusted according to the time difference. For example: beijing time, 8 hours is added on the basis of the Beijing time.

2. Latitude, which needs to be converted into a format of degree minute second, the calculation method is as follows: if the received latitude is: 4546.40891 are read as follows: 4546.40891/100 ═ 45.4640891 read out 45 degrees; 4546.40891-45 × 100 ═ 46.40891, read 46 points; 46.40891-46 0.40891 60 24.5346 read 24 seconds. So the latitude is: 45 degrees, 46 minutes and 24 seconds, and the same latitude.

3. The rate, which is the number of miles per hour, is converted to kilometers per hour according to the usage rules, such as: 1 haili is 1.852 kilometer in China.

When the GPS is used, the drive is started, after the development board is electrified, the data received by the GPS is read by the serial port, analyzed and processed, and converted into the data required by the user.

And a third part: GSM module

In the invention, the GSM module is used for sending the position and the electric meter data received by the terminal equipment to the network platform, thereby facilitating centralized detection and management.

Before using the module, China Mobile SIM card, external DC power supply (12V1A) and RS232 serial port line should be prepared. After the power is on, the network status indicator lamp can be normally used after waiting for 3 seconds and 2 flashes. The module completes initialization by sending the AT command, continues to use the AT command, establishes reliable connection with a data receiving and transmitting party, and sends and receives data.

The module establishes a TCP connection with the server, and TCP is a reliable data transmission mode but is slow. Using the network transport assistant, set the protocol type: TCPServer, local IP address default, local port: 8086 (optional from 0 to 65535). After the operation is finished, clicking a connection button, and at the moment, waiting for connection and access of the TCPServer at the computer end; then, sending: AT + CLPORT is equal to 'TCP' and '2000', and a local TCP connection port is set to 2000; then sending: AT + CIPSTART ═ TCP "," 113.111.214.69","8086", a TCP connection is established, connecting to IP: 113.111.214.69, the connection ports are: 8086. and waiting for the TCP connection to be successfully established, and returning by the module: CONNECTOK. At this time, the SIM900A module and the computer successfully establish a TCP connection, and can send data to each other.

The fourth part: software component

In the invention, no matter the interaction of the electric meter data, the acquisition of the GPS data or the receiving and sending of the GSM data, the function of the software part cannot be separated. On the APP page of the terminal device, the user can see all the required information.

The subprogram of each module is divided into a serial port programming part of C language and a java calling part of android. The serial port program of the LoRa module carries out floating point number conversion and multiplying power conversion on the read Modbus instruction for calling the main program, the serial port program of the GPS module converts the position information into a data form of a common high-grade map for the main program to read, and the serial port program of the GSM module sends the information to the platform server for background real-time detection and management, timing with the platform and the like. And the main program reads and displays the information at the terminal, and the information is matched with the terminal to finish the work of intelligent acquisition of the industrial power consumption data.

The above is a specific embodiment of the present invention. The invention properly solves the problem and has important function in collecting the electricity information in industrial production.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. The utility model provides an appearance is adopted to industrial electricity intelligence data which characterized in that: the system comprises four parts, namely a multifunctional ammeter data acquisition device, a real-time positioning device, a data display and query device and a data sending and receiving device, wherein the data acquisition device comprises a data conversion module and a wireless transmission module when the ammeter is subjected to data acquisition; the real-time positioning device realizes the function of acquiring the position information of the data acquisition instrument; the data display and query device is terminal equipment and realizes format conversion and page display of data; the data sending and receiving device is a communication module and realizes data interaction between the terminal equipment and the background system.

2. The intelligent industrial electricity data acquisition instrument according to claim 1, characterized in that: the ammeter data acquisition device comprises a communication conversion module and a wireless serial port communication module; the ammeter is connected with the communication conversion module; and the communication conversion module is connected with the wireless module to acquire initial data according to the instruction.

3. The intelligent industrial power data acquisition instrument according to claim 2, characterized in that: the communication conversion module is an RS485 module; the wireless serial port communication module is a LoRa module.

4. The intelligent industrial electricity data acquisition instrument according to claim 1, characterized in that: the real-time positioning device uses a GPS module.

5. The intelligent industrial electricity data acquisition instrument according to claim 1, characterized in that: the wireless transmission module LoRa module, real-time positioner GPS module and communication module GSM module, three modules support wireless receiving and data transmission on the line connection mode and the data interaction mode between with terminal equipment.

6. The intelligent industrial power data acquisition instrument according to claim 5, wherein: the terminal equipment is an itop-4412 development board.

7. The intelligent industrial power data acquisition instrument according to claim 6, wherein: the terminal equipment performs digital system conversion and multiplying power conversion on the electric meter data, converts a data format uploaded by the GPS module, and converts a positioning data format into a degree-minute-second format.

8. The intelligent industrial power data acquisition instrument according to claim 7, wherein: and the terminal equipment establishes TCP connection with the remote monitoring platform through the communication module.

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