CN209860937U - an intelligent gateway - Google Patents

Abstract

The utility model provides an intelligent gateway, including a main control chip, an electric energy measurement module, a carrier monitoring module, a 485 communication module, a LORA communication module, a NB-IOT communication module, a storage module, a small current relay, a clock module, a battery module and an AC ‑DC power supply module; wherein, the main control chip is respectively connected with the carrier monitoring module, electric energy metering module, 485 communication module, LORA communication module, NB‑IOT communication module, storage module, small current relay, clock module and battery module, the The carrier monitoring module, the AC-DC power module and the power metering module are respectively connected to the power line, the main control chip performs data interaction with the monitoring platform computer through the NB-IOT communication module, and the AC-DC power module supplies power to all modules. The utility model provides an intelligent gateway, which solves the data collection problem of line operation status of the power line on the user side, performs data interaction with the monitoring platform computer of the main station of the power bureau, and provides power bureau monitoring management and user query.

Description

an intelligent gateway

technical field

The utility model relates to the technical field of electric power information, in particular to an intelligent gateway.

Background technique

With the advancement of society and the development of Internet of Things technology, users' demand for various emerging digital services in the home is also gradually increasing. In 2014, the concept of smart home came to the fore, and a series of smart technologies and devices derived from smart home have become the focus of current research. .

At present, in addition to obtaining the electricity consumption data of users, the main station of the power bureau lacks the means to collect line operation status data of power lines on the user side. At the same time, users can only know the electricity consumption of households by checking the electricity meter , it is impossible to accurately know the real-time current and voltage conditions, and it is also impossible to know the possible leakage phenomenon; in addition, after the master station of the power bureau sends a message, if the user fails to receive the message, it cannot be located between the master station and the concentrator. There is a problem between the concentrator and the user end.

Utility model content

The technical problem to be solved by the utility model is to provide an intelligent gateway, which solves the problem of line operation status data collection of the power line on the user side, performs data interaction with the monitoring platform computer of the main station of the power bureau, and provides power bureau monitoring management and user query .

The utility model is achieved in that:

An intelligent gateway, including a main control chip, an electric energy metering module, a carrier monitoring module, a 485 communication module, a LORA communication module, a NB-IOT communication module, a storage module, a small current relay, a clock module, a battery module and an AC-DC power supply module ; Wherein, the main control chip is respectively connected with the electric energy metering module, the carrier monitoring module, the 485 communication module, the LORA communication module, the NB-IOT communication module, the storage module, the small current relay, the clock module and the battery module, the electric energy metering module, The carrier monitoring module and the AC-DC power supply module are respectively connected to the power line, the main control chip performs data interaction with the monitoring platform computer through the NB-IOT communication module, and the AC-DC power supply module supplies power for all modules.

Further, the carrier monitoring module sequentially includes a digital-to-analog conversion module, a digital signal processing module, a message processing module, a data extraction module and a message combination module, wherein the digital-to-analog conversion module is connected to the power line, and the message combination module is connected to the main control The chips are connected, and the power line carrier signal is converted into a digital signal and transmitted to the main control chip through the digital-to-analog conversion module, digital signal processing module, message processing module, data extraction module and message combination module in sequence.

Further, the electric energy metering module includes an electric energy metering circuit, a metering SOC chip, a high current relay and an isolated power supply module, the electric energy metering circuit is connected to the power line, one end of the metering SOC chip is connected to the electric energy metering circuit, and the other end It is connected with the main control chip, the isolated power module is connected with the AC-DC power module, and supplies power for the metering SOC chip, and the high-current relay is connected with the power line.

Further, the metering SOC chip adopts a model RN8211B chip.

Further, the 485 communication module includes a 485 communication chip and a 485 communication terminal, the 485 communication chip is connected to the main control chip and the 485 communication terminal respectively, and the external sensor is connected to the 485 communication chip through the 485 communication terminal.

Further, the main control chip is also connected with a switch value detection module.

Further, the main control chip adopts a model RN8318 chip.

Further, the 485 communication module adopts a chip of model MX3085EISA.

Further, the NB-IOT communication module adopts a chip of model BC26.

Further, the concentrator and the user end are respectively installed with the intelligent gateway.

The utility model has the following advantages:

1. Obtain the user's current, voltage and other information through the electric energy metering module, and obtain the remaining leakage value, temperature and other information through the 485 communication terminal to connect the external sensor, and upload the information to the monitoring platform computer through the NB-IOT communication module, so that both the power bureau and the user can The line operation status of the power line on the user side can be known.

2. Monitor the carrier message on the power line through the carrier monitoring module, and transmit the monitored carrier message to the main control chip. The main control chip processes the message and uploads it to the monitoring platform computer through the NB-IOT module, so that the main After the station sends out the message, if the client fails to receive it, by receiving the message uploaded by the intelligent gateway between the concentrator and the client, it can be accurately located whether there is a problem between the master station and the concentrator, or between the concentrator and the client. Something went wrong.

Description of drawings

The utility model will be further described below in conjunction with the embodiments with reference to the accompanying drawings.

Fig. 1 is a structural schematic diagram of an intelligent gateway of the present invention.

Fig. 2 is a schematic diagram of the working principle of an intelligent gateway carrier monitoring module of the present invention.

Fig. 3 is a structural schematic diagram of a main control chip of an intelligent gateway of the present invention.

Fig. 4 is a schematic structural diagram of an intelligent gateway metering SOC chip of the present invention.

Fig. 5 is a schematic structural diagram of an electric energy metering circuit of an intelligent gateway of the present invention.

Fig. 6 is a structural schematic diagram of a smart gateway high-current relay of the present invention.

Fig. 7 is a schematic structural diagram of a smart gateway 485 communication module of the present invention.

Fig. 8 is a structural schematic diagram of an intelligent gateway LORA communication module of the present invention.

Fig. 9a is a schematic structural diagram of an intelligent gateway NB-IOT communication module chip of the present invention.

Fig. 9b is a schematic diagram of a peripheral circuit of an intelligent gateway NB-IOT communication module of the present invention.

Fig. 10 is a structural schematic diagram of a small current relay of an intelligent gateway of the present invention.

Fig. 11 is a structural schematic diagram of a switching quantity detection module of an intelligent gateway of the present invention.

Detailed ways

Please refer to FIG. 1 to FIG. 11 , a smart gateway 100 of the present invention includes a main control chip 1, an electric energy metering module 2, a carrier monitoring module 3, a 485 communication module 4, a LORA communication module 5, and an NB-IOT communication module 6, Storage module 7, small current relay 8, clock module 9, battery module 10 and AC-DC power supply module 11; Wherein, main control chip 1 (such as adopting the chip that model is RN8318) and electric energy metering module 2, carrier monitoring module 3 , 485 communication module 4, LORA (Long RangeRadio, long-distance radio) communication module 5, NB-IOT (NarrowBandInternetofThings, narrowband Internet of Things) communication module 6, storage module 7, small current relay 8, clock module 9 and battery module 10 connection , the electric energy metering module 2, the carrier monitoring module 3 and the AC-DC power supply module 11 are respectively connected to the power line 200, and the main control chip 1 communicates with the monitoring platform through the NB-IOT communication module 6 (such as using a chip of BC26 type) The computer 13 (such as the monitoring platform computer of the main station of the power bureau) performs data interaction, and the AC-DC power supply module 11 supplies power for all modules.

The main control chip 1 is used to control and process the operation of each module, and can receive the message of the carrier monitoring module 3, and upload the message through the NB-IOT communication module 6; the carrier monitoring module 3 is a single-phase power line communication modem, which utilizes the power grid Transmission data signal; 485 communication module 4 communicates with main control chip 1 through RS485 bus line, and can connect external sensor; Storage module 7 is used for storing the data produced after main control chip 1 analysis and processing; Clock module 9 (for example adopts RTC Real-time clock chip) is used to provide high-precision clock signal, and battery module 10 is used to supply power to clock module 9; All modules are powered.

The smart gateway 100 can communicate with the hanging device (such as a smart socket) through the LORA communication module 5, and perform data collection and control on the hanging device (for example, it can collect data such as current, voltage, power, power consumption, and alarm of the smart socket) ) and send the collected device data of the hanging device to the monitoring platform computer 13 through the NB-IOT communication module 6.

The intelligent gateway 100 can control the opening and closing of the small current relay 8 through the main control chip 1, and send the status data of the relay to the monitoring platform computer 13 through the NB-IOT communication module 6; During control, the intelligent gateway 100 can also receive control commands from the monitoring platform computer 13 through the NB-IOT communication module 6 to control the small current relay 8 .

In a preferred embodiment, the electric energy metering module 2 is used for the circuit usage of the user circuit, including an electric energy metering circuit 21, a metering SOC chip 22 (such as a chip with a model number of RN8211B), a large current relay 23 and an isolated power supply Module 24, the electric energy metering circuit 21 is connected to the power line 200, one end of the metering SOC chip 22 is connected to the electric energy metering circuit 21, and the other end is connected to the main control chip 1, and the isolated power supply module 24 is connected to the AC- The DC power supply module 11 is connected to supply power to the metering SOC chip 22 , and the high-current relay 23 is connected to the power line 200 to control the connection and disconnection of the power line 200 of the user loop.

The electric energy metering circuit 21 samples the power line 200 signal of the user circuit where it is located, and the metering SOC chip 22 converts the sampled signal into a digital signal to obtain the electricity consumption data (such as current, voltage, power, and electricity consumption) of the user circuit. and other data), the metering SOC chip 22 transmits the power consumption data to the main control chip 1, and the main control chip 1 sends it to the monitoring platform computer 13 through the NB-IOT communication module 6.

The metering SOC chip 22 can also set thresholds such as overcurrent, overvoltage, undervoltage, and overpower. The alarm signal is sent to the monitoring platform computer 13 of the main station of the electric power bureau.

Please refer to FIG. 2 , in a preferred embodiment, the carrier sense module 3 includes a digital-to-analog conversion module 31, a digital signal processing module 32, a message processing module 33, a data extraction module 34 and a message combination 35 module, Wherein the digital-to-analog conversion module 31 is connected to the power line 200, the message combination module 35 is connected to the main control chip 1, and the carrier signal of the power line 200 passes through the digital-to-analog conversion module 31, the digital signal processing module 32, the message processing module 33, The data extraction module 34 and the message combination module 35 are converted into digital signals and transmitted to the main control chip 1, and the main control chip 1 communicates with the monitoring platform computer 13 through the NB-IOT communication module 6 (such as adopting a chip of BC26 model) (such as the monitoring platform computer of the main station of the power bureau) for data interaction. The carrier monitoring module 3 monitors the carrier message on the power line 200, and transmits the monitored carrier message to the main control chip 1, and the main control chip 1 uploads the message to the monitoring platform computer 13 through the NB-IOT module 6 after processing the message.

In a preferred embodiment, the concentrator and the user end are respectively equipped with an intelligent gateway 100. After the main station of the power bureau sends a message, the carrier monitoring module 3 monitors the carrier message on the power line 200, and reports the detected carrier The file is transmitted to the main control chip 1, and the main control chip 1 uploads the message to the monitoring platform computer 13 through the NB-IOT module 6 after processing the message. It can accurately locate whether the receiving failure of the user terminal is due to the problem of the line between the main station of the power bureau and the concentrator, or the problem of the line between the concentrator and the user.

In a preferred embodiment, the 485 communication module 4 includes a 485 communication chip (such as a chip with a model number of MX3085EISA) and a 485 communication terminal, and the 485 communication chip is connected to the main control chip 1 and the 485 communication terminal respectively. The sensor is connected with the 485 communication chip through the 485 communication terminal. The smart gateway 100 can communicate with external sensors (such as temperature sensors and residual current transformers) through the 485 communication module 4, collect and control data from the external sensors, and send the collected data to the monitoring system through the NB-IOT communication module 6. platform computer 13 .

In a preferred embodiment, the main control chip 1 is also connected with a switching value detection module 11, which is used to detect and obtain the switching value (such as the opening or closing of the cabinet door) set by the user end, and through the NB-IOT communication module 6. The collected switch data is sent to the monitoring platform computer 13 .

The utility model obtains the user's current, voltage and other information through the electric energy metering module, and obtains information such as the remaining leakage value and temperature through the 485 communication terminal connected to an external sensor, and uploads the information to the monitoring platform computer through the NB-IOT communication module, so that the power bureau and the user Both can know the line operation status of the power line on the user side; monitor the carrier message on the power line through the carrier monitoring module, and transmit the monitored carrier message to the main control chip, and the main control chip processes the message through the NB-IOT module Upload to the monitoring platform computer, so that after the master station of the power bureau sends a message, if the client fails to receive it, by receiving the message uploaded by the smart gateway at the concentrator and the client, it can be accurately located between the master station and the concentrator A problem, or a problem between the concentrator and the user.

Although the specific embodiments of the present utility model have been described above, those skilled in the art should understand that the specific embodiments we describe are only illustrative, rather than used to limit the scope of the present utility model. Equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the present utility model shall fall within the protection scope of the claims of the present utility model.

Claims (10)

1. An intelligent gateway, characterized in that it includes a main control chip, an electric energy metering module, a carrier monitoring module, a 485 communication module, a LORA communication module, a NB-IOT communication module, a storage module, a small current relay, a clock module, and a battery module and AC-DC power supply module; among them, the main control chip is respectively connected with the electric energy metering module, carrier monitoring module, 485 communication module, LORA communication module, NB-IOT communication module, storage module, small current relay, clock module and battery module, The electric energy metering module, the carrier monitoring module and the AC-DC power supply module are respectively connected to the power line, the main control chip performs data interaction with the monitoring platform computer through the NB-IOT communication module, and the AC-DC power supply module supplies power for all modules . 2. A kind of intelligent gateway according to claim 1, is characterized in that: described carrier sense module comprises digital-to-analog conversion module, digital signal processing module, message processing module, data extraction module and message combination module successively, wherein The digital-to-analog conversion module is connected to the power line, the message combination module is connected to the main control chip, and the power line carrier signal is converted into The digital signal is transmitted to the main control chip. 3. A kind of intelligent gateway according to claim 1, characterized in that: the electric energy metering module comprises an electric energy metering circuit, a metering SOC chip, a high current relay and an isolated power supply module, the electric energy metering circuit is connected to a power line, the One end of the metering SOC chip is connected to the electric energy metering circuit, the other end is connected to the main control chip, the isolated power supply module is connected to the AC-DC power supply module, and supplies power to the metering SOC chip, and the high current relay is connected to the power line connect. 4. An intelligent gateway according to claim 3, characterized in that: the metering SOC chip adopts a model RN8211B chip. 5. A kind of intelligent gateway according to claim 1, characterized in that: the 485 communication module includes a 485 communication chip and a 485 communication terminal, the 485 communication chip is connected with the main control chip and the 485 communication terminal respectively, and the external sensor Connect with the 485 communication chip through the 485 communication terminal. 6. An intelligent gateway according to claim 1, characterized in that: the main control chip is also connected with a switching value detection module. 7. An intelligent gateway according to claim 1, characterized in that: the main control chip is a chip of model RN8318. 8. An intelligent gateway according to claim 1, characterized in that: said 485 communication module adopts a chip of model MX3085EISA. 9. An intelligent gateway according to claim 1, characterized in that: said NB-IOT communication module adopts a chip of model BC26. 10. An intelligent gateway according to claim 1, characterized in that: the concentrator and the user end are respectively installed with the intelligent gateway.