CN204066378U - A kind of Intelligent Information Collection device - Google Patents

Abstract

The utility model relates to a kind of Intelligent Information Collection device, be located at the collector in ammeter box to be extracted power information by the RS-485 interface of intelligent electric meter, and the household electricity monitoring terminal be arranged in user family is sent to through ZigBee wireless sensor network, household electricity monitoring terminal shows and the data of storage of collected device transmission; Household electricity monitoring terminal is formed by following Structure composing: terminal single-chip microcomputer, terminal single-chip microcomputer and data memory module, clock circuit, humiture collection circuit and the two-way communication of terminal ZigBee wireless communication module, terminal single-chip microcomputer and EEPROM and power management module two-way communication, terminal single-chip microcomputer is to LED display translation module output signal, and terminal single-chip microcomputer receives the input signal of input through keyboard module.Advantageous effect: the final power information domestic electricity utilization information monitoring terminal display user, electricity price information and electricity charge remaining sum, realize power information and issue to user easily in real time.

Description

An intelligent information collection device

technical field

The utility model relates to a collection of intelligent information, in particular to an intelligent information collection device, which belongs to the technical field of electric automation and information collection and processing.

Background technique

At present, the State Grid Corporation of China's research and pilot work on smart grids has been gradually launched. The basic characteristics of my country's smart grid are to embody informatization, automation, and interaction in technology, and to embody collectivization, intensification, leanness, and standardization in management. Adaptability, optimal allocation of large-scale resources and diversified service capabilities for users, so as to achieve safe, reliable, high-quality, clean, efficient and interactive power supply.

To promote the intelligent construction of urban and rural power grids, we need to rely on strong support from new technologies and new equipment, and at the same time strengthen the research and application of key technologies. Research and apply new communication and automation technologies suitable for power grids, focus on solving the distributed communication problems of power grids with multiple points and areas, improve the automation level of distribution networks, and study key technologies such as unified data collection for medium and low voltage power grids, and integration of distribution and management.

Intelligent power consumption management for low-voltage customers realizes remote control of low-voltage customers, collection of power consumption information, intelligent judgment of power outages, user data analysis, real-time low-voltage line loss analysis, and two-way interactive use of low-voltage customers by installing smart meter boxes, smart energy meters and smart low-voltage terminals. Electricity and other functions, and research and application of electricity interactive technology. The information transmission and interaction between the user side, small power sources and the power grid is an important aspect that reflects the intelligence level of the power grid. It is necessary to strengthen research on key technologies such as smart power distribution stations and smart power terminals. However, according to the various requirements of the intelligent construction of the power grid, it is still unable to meet the intelligent collection of the user's on-site management service terminal and the residents' meter reading system. A series of functions such as remote meter reading, real-time billing, load management, power quality detection, equipment monitoring, and power failure inspection and control cannot be realized. It is impossible to grasp the electricity consumption of residents in a timely manner, provide customers with high-quality and convenient services in an accurate and timely manner, and improve the technical level of power grid marketing management. With the rapid development of my country's urban community properties and the increasing demand for household electricity, higher requirements are put forward for the measurement of electric energy. At the same time, the power supply department hopes to eliminate the manual meter reading and measurement link to save labor. Therefore, the application of the automatic meter reading system has received more and more attention and attention from the relevant departments, and it also meets the requirements of the Ministry of Construction that the power consumption management should be centralized, safe and strict. The main station of the traditional residential user electricity information collection system is generally set up in the power supply company. The system can monitor the user's electricity consumption and manage electricity information. If users want to know the current electricity consumption information, they need to use methods such as bill inquiry, Internet inquiry or telephone inquiry, which are not convenient enough and difficult to meet the needs of all users. The LCD screen of the smart meter can display current electricity consumption information, electricity price information and electricity balance, etc., but the smart meter is usually installed in a unified meter box, which is not convenient for users to understand relevant information.

Contents of the invention

In order to solve the above technical problems, the utility model provides an intelligent information collection device, the purpose of which is to exchange data with the household electricity information monitoring terminal through the ZigBee wireless sensor network, and finally display the user's electricity consumption information and electricity price on the household electricity information monitoring terminal Real-time and convenient distribution of electricity consumption information to users.

In order to achieve the above purpose, the utility model is an intelligent information collection device. The collector located in the meter box extracts the electricity consumption information through the RS-485 interface of the smart meter, and transmits it to the computer installed in the user's home through the ZigBee wireless sensor network. The household electricity monitoring terminal, the household electricity monitoring terminal displays and stores the data transmitted by the collector; the household electricity monitoring terminal consists of the following structure: terminal single-chip microcomputer, terminal single-chip microcomputer and data storage module, clock circuit, temperature and humidity acquisition circuit and The terminal ZigBee wireless communication module has two-way communication, the terminal single-chip computer communicates with EEPROM and the power management module two-way, the terminal single-chip computer outputs signals to the LED display output module, and the terminal single-chip computer receives the input signal of the keyboard input module; the data transmitted by the collector passes through the asynchronous serial signal The DIN pin enters the terminal ZigBee wireless communication module, and outputs from the DOUT pin of the terminal ZigBee wireless communication module to the terminal microcontroller. The RXD pin and TXD pin of the terminal ZigBee wireless communication module are connected to the UART interface of the terminal microcontroller, and the terminal ZigBee wireless communication module The LED pin of the LED is connected to the positive pole of the light-emitting diode, the negative pole of the light-emitting diode is connected to the resistor, the VCC pin of the terminal ZigBee wireless communication module is connected to the voltage and the negative poles of two parallel capacitors; the collector is equipped with a ZigBee wireless communication Module, terminal ZigBee wireless communication module and collector ZigBee wireless communication module constitute ZigBee wireless sensor network.

The terminal microcontroller model is MSP430, the clock circuit is DS1302, the data storage module model is AT45D041, the temperature and humidity acquisition circuit is SHT11, and the ZigBee wireless communication module adopts XBee Pro module.

The resistor is connected to 3.3V, the voltage of the VCC pin of the terminal ZigBee wireless communication module is 3.3V, and the positive poles of the two parallel capacitors are grounded.

The collector collects electricity consumption information, electricity price information and electricity charge balance, the temperature and humidity acquisition circuit collects temperature and humidity information, and displays temperature and humidity, time information, electricity consumption information, electricity price information and electricity charge balance on the LED display output module.

Acquisition method: Initialize the household electricity monitoring terminal, the temperature and humidity acquisition circuit collects the temperature and humidity environment, reads the time of the DS1302 chip, displays the temperature, humidity and time through the LCD, and the household electricity monitoring terminal detects whether the button is activated, and judges whether it is Adjust the time, if so, make corresponding adjustments, otherwise continue, check whether there is an action to query the past electricity consumption information, if so, send a request frame to the collector through the terminal ZigBee wireless communication module, and collect the electricity consumption information of the smart meter required by the user. The power consumption monitoring terminal waits to receive the response frame sent by the collector. If the network connection fails, the terminal ZigBee wireless communication module will delay the network connection for a period of time. If the network connection fails for three consecutive times, reset the terminal ZigBee wireless communication module and delay Try to connect again after a period of time, when receiving the response frame, analyze the received response frame, and display the information required by the user on the LED display output module.

If there is no action on the button, return to read the time amount, and if there is no action to query the past power consumption information, return to read the time amount again.

The advantages and effects of the utility model: data exchange is performed between the ZigBee wireless sensor network and the household electricity information monitoring terminal, and finally the user's electricity consumption information, electricity price information and electricity charge balance are displayed on the household electricity information monitoring terminal, realizing real-time convenience of electricity consumption information Publish to users in a timely manner, monitor temperature and humidity, and provide humanized functions such as time display and temperature and humidity reminders. The ZigBee wireless sensor network of the utility model has the advantages of low cost, low power consumption, super strong communication ability, long communication distance and strong anti-interference ability. No wiring is required, the installation cost is low, and the self-organizing network can find all wireless nodes within the radio frequency range, and is not affected by the power line topology network. Under certain conditions, the more nodes there are, the more routing paths can be selected, and the higher the reliability of the network is; the communication quality is not affected by the quality of the distribution network, and it is easy to ensure the long-term reliability of the channel, which is correspondingly more suitable for different distribution networks in the field. New and old cities and rural communities in the grid environment; ZigBee Pro network uses 2 security keys, 1 trust center and 128-bit AES encryption to ensure the security of data communication.

Description of drawings

Fig. 1 is a structural block diagram of the utility model.

Fig. 2 is a structural block diagram of a home electricity information monitoring terminal.

Fig. 3 is a schematic diagram of the communication between the home electricity information monitoring terminal and the collector.

Fig. 4 is a schematic diagram of the terminal ZigBee wireless communication module.

In the figure: 1. Smart meter; 2. Collector; 3. Household electricity monitoring terminal; 4. Terminal microcontroller; 5. Data storage module; 6. Clock circuit; 7. Temperature and humidity acquisition circuit; 8. Terminal ZigBee wireless communication Module; 9. EEPROM and power management module; 10. LED display output module; 11. Keyboard input module; R1, resistor. the

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in the figure, the utility model is an intelligent information collection device. The collector 2 installed in the meter box extracts the electricity consumption information through the RS-485 interface of the smart meter 1, and transmits it to the user installed in the user through the ZigBee wireless sensor network. Household electricity monitoring terminal 3 at home, the household electricity monitoring terminal 3 displays and stores the data transmitted by the collector 2; the household electricity monitoring terminal 3 is composed of the following structure: terminal single-chip microcomputer 4, terminal single-chip microcomputer 4 and data storage module 5 , the clock circuit 6, the temperature and humidity acquisition circuit 7 and the terminal ZigBee wireless communication module 8 two-way communication, the terminal single-chip 4 communicates with the EEPROM and the power management module 9 two-way communication, the terminal single-chip 4 outputs signals to the LED display output module 10, and the terminal single-chip 4 receives the keyboard The input signal of the input module 11; the data transmitted by the collector 2 enters the terminal ZigBee wireless communication module 8 through the DIN pin with an asynchronous serial signal, and is output to the terminal microcontroller 4 from the DOUT pin of the terminal ZigBee wireless communication module 8, and the terminal ZigBee wireless The RXD pin and TXD pin of the communication module 8 are connected to the UART interface of the terminal microcontroller 4, the LED pin of the terminal ZigBee wireless communication module 8 is connected to the positive pole of the light-emitting diode, the negative pole of the light-emitting diode LED0 is connected to the resistor R1, and the terminal ZigBee wireless communication The VCC pin of the module 8 is connected to the voltage and the negative poles of two parallel capacitors (C1, C2); the collector 2 is provided with a collector ZigBee wireless communication module 12, and the terminal ZigBee wireless communication module 8 and the collector ZigBee wireless communication module 12 form a ZigBee wireless sensor network.

The model of terminal microcontroller 4 is MSP430, the clock circuit 6 is DS1302, the model of data storage module 5 is AT45D041, the temperature and humidity acquisition circuit 7 is SHT11, and the ZigBee wireless communication module 8 adopts XBee Pro module.

Resistor R1 is connected to 3.3V voltage, the voltage of 8VCC pin of the terminal ZigBee wireless communication module is 3.3V, and the positive electrodes of the two parallel capacitors are grounded.

The collector 2 collects electricity consumption information, electricity price information, and electricity charge balance, and the temperature and humidity collection circuit collects temperature and humidity information, and displays temperature and humidity, time information, electricity consumption information, electricity price information, and electricity charge balance on the LED display output module 10 .

An acquisition method of an intelligent information acquisition device, which initializes the household electricity monitoring terminal, collects the temperature and humidity environment quantity by the temperature and humidity acquisition circuit, reads the time amount of the DS1302 chip, and displays the temperature, humidity and time through the LCD, and the household electricity monitoring terminal Detect whether the button is activated, judge whether to adjust the time, if so, make corresponding adjustments, otherwise continue, whether there is an action to query the past power consumption information, if so, send a request frame to the collector through the terminal ZigBee wireless communication module, and collect the intelligence required by the user The electricity consumption information of the ammeter, the household electricity monitoring terminal waits to receive the response frame sent by the collector, if the network connection fails, the terminal ZigBee wireless communication module delays for a period of time before connecting to the network, if the network connection fails three times in a row, reset the terminal The ZigBee wireless communication module tries to connect again after a delay for a period of time. When the response frame is received, it analyzes the received response frame and displays the information required by the user on the LED display output module.

If there is no action on the button, return to read the time amount, and if there is no action to query the past power consumption information, return to read the time amount again.

Claims (4)

1. an Intelligent Information Collection device, it is characterized in that: be located at the collector in ammeter box and by the RS-485 interface of intelligent electric meter, power information extracted, and the household electricity monitoring terminal be arranged in user family is sent to through ZigBee wireless sensor network, household electricity monitoring terminal shows and the data of storage of collected device transmission; Household electricity monitoring terminal is formed by following Structure composing: terminal single-chip microcomputer, terminal single-chip microcomputer and data memory module, clock circuit, humiture collection circuit and the two-way communication of terminal ZigBee wireless communication module, terminal single-chip microcomputer and EEPROM and power management module two-way communication, terminal single-chip microcomputer is to LED display translation module output signal, and terminal single-chip microcomputer receives the input signal of input through keyboard module; The data that collector transmits enter terminal ZigBee wireless communication module with asynchronous serial signal by DIN pin, terminal single-chip microcomputer is outputted to from the DOUT pin of terminal ZigBee wireless communication module, the RXD pin of terminal ZigBee wireless communication module is connected the UART interface of terminal single-chip microcomputer with TXD pin, the LED pin of terminal ZigBee wireless communication module connects the positive pole of light emitting diode, the negative pole contact resistance of light emitting diode, the VCC pin of terminal ZigBee wireless communication module connects voltage and connects the negative pole of two shunt capacitances; In collector, be provided with collector ZigBee wireless communication module, terminal ZigBee wireless communication module and collector ZigBee wireless communication module form ZigBee wireless sensor network.

2. a kind of Intelligent Information Collection device according to claim 1, it is characterized in that terminal single-chip microcomputer model is MSP430, clock circuit is DS1302, and data memory module model is AT45D041, humiture collection circuit is that SHT11, ZigBee wireless communication module adopts XBee Pro module.

3. a kind of Intelligent Information Collection device according to claim 1, is characterized in that resistance connects 3.3V voltage, and the voltage of terminal ZigBee wireless communication module VCC pin is 3.3V, two shunt capacitance plus earths.

4. a kind of Intelligent Information Collection device according to claim 1, it is characterized in that collector gathers power information, electricity price information and electricity charge remaining sum, humiture collection circuit gathers humiture information, in the display of LED display translation module humiture, temporal information, power information, electricity price information and electricity charge remaining sum.