CN102881132A - Remote wireless meter reading and monitoring system through interconnection of Internet and ad hoc multi-hop network - Google Patents

Abstract

The invention relates to a system for realizing remote wireless meter reading and monitoring by interconnecting the Internet and an ad hoc multi-hop network. It includes a three-layer architecture of a data acquisition layer, a communication transmission layer and a management layer. The data acquisition layer contains at least one data Collector and a concentrator, wireless communication between data collectors and between data collectors and concentrators through ad hoc multi-hop network, the meter reading data collected by data collectors is concentrated in the concentrator; the communication transport layer is centralized The server uses the gateway to connect with the Internet, and transmits the centralized data to the public network server; the management layer includes servers, workstations, etc., which are used to analyze the obtained data, perform remote monitoring and management, and provide remote servers to provide users with access services. The Ad Hoc network has the advantages of strong penetrating ability and long transmission distance. The invention can realize automatic reading and uploading of data, unified management at the server end, and convenient installation.

Description

Internet and ad hoc multi-hop network interconnection remote wireless meter reading and monitoring system

technical field

The invention relates to the electrical field, in particular to a remote wireless meter reading and monitoring system interconnected with the Internet and an ad hoc multi-hop network. the

Background technique

The traditional manual door-to-door meter reading increases the management cost of the department, and now remote meter reading technology can be used. the

At present, the wireless communication technology used in wireless meter reading is mainly (Bluetooth, 802.11, etc.) point-to-point or point-to-multipoint, without routing function, zigbee has routing function, but the transmission distance of zigbee is too short, the wall penetration performance is too poor, and the coverage is small. the

Contents of the invention

The invention utilizes the ad hoc multi-hop network to realize stable and reliable remote meter reading, realizes wireless monitoring of applications such as water consumption and electricity consumption, and provides query and access services for users. the

The specific technical scheme is as follows:

A remote wireless meter reading and monitoring system interconnected by the Internet and an ad hoc multi-hop network, including a data collection layer for wireless communication through the ad hoc multi-hop network, and a communication transmission layer for interconnecting the Internet with a gateway corresponding to the ad hoc multi-hop network . the

Preferably, at least one data collector and a concentrator are included in the data collection layer, and wireless communication is performed between data collectors and between data collectors and concentrators through an ad hoc multi-hop network. The data collector is a complete ad hoc node that can be used as a terminal and a router at the same time, and communicates wirelessly with other ad hoc nodes in the ad hoc network, including a main control CPU module, a data storage module, an instrument measurement module, an ad hoc wireless Communication module, LCD display module and DC power supply module, each module communicates with the main control CPU through the bus and serial port. the

The concentrator is a wireless network node in ad hoc, including a control processor, an ad hoc wireless communication module, a storage module and a power supply module for supplying power to each module. The concentrator communicates with each data collector through the ad hoc network on the one hand, Receive and store the meter reading data from the data collector; on the other hand, it can communicate with the Internet gateway and transmit the collected data to the upper layer. the

Preferably, the gateway of the concentrator is used in the communication transport layer to realize interconnection and communication between the ad hoc network and the Internet, and transmit the centralized data to the public network server. the

The gateway is provided with two network cards, one is connected to the wired network, and the other is used to connect to the wireless network. The gateway runs the ad hoc routing protocol and the Internet routing protocol simultaneously to realize the conversion between ad hoc and TCP/IP. The gateway is connected with the wireless transceiver device through the RS232 interface, receives the grouping from the concentrator and sends the Internet grouping to the concentrator. the

Preferably, it also includes a three-tier structure of the management layer. The management layer performs remote monitoring and management of the meter reading system based on the data obtained by analyzing the server and the workstation, and at the same time uses the remote server to provide users with query and access services. the

The management layer analyzes the data obtained by the server and the workstation, classifies the data in detail, analyzes the user's consumption, monitors the peak power consumption, remotely controls the management of the user's power consumption, and performs terminal monitoring by performing meter reading to judge the terminal operation; The remote server assigns permissions to the user, and the user registers an ID through the public network, and can check his water and electricity usage and payment status at any time; the management also has the functions of editing users, storing data, and sending payment notifications to users. the

The beneficial effects of the present invention are:

The invention realizes remote meter reading, automatically reads and uploads data, and uniformly manages at the server end; the installation is convenient. No need for tedious wiring work, just connect the terminal to the meter, and automatically form a network after power-on, without manual intervention; use the wireless method to avoid the trouble of digging and wiring. If any meter reading terminal fails, you can directly replace it to solve the problem. Low post-maintenance costs; strong scalability, easy upgrade and installation. It is convenient to add and delete collection terminals in the network, and the management is simple; the network stability is strong. This solution uses the Ad Hoc network working in the 240-930MHz frequency band. Compared with other networks that are more commonly used in the 2.4GHz frequency band at this stage, this The network has the advantages of strong penetrating ability and long transmission distance. the

Description of drawings

Fig. 1 is a logic diagram of the remote wireless meter reading system of the present invention. the

Fig. 2 is a schematic diagram of the network structure of the remote wireless meter reading system of the present invention. the

Detailed ways

In conjunction with shown in Fig. 1, the present invention provides a kind of remote wireless meter reading and monitoring system that the Internet and the ad hoc multi-hop network interconnection realize. It includes a three-layer architecture of data acquisition layer, communication transmission layer and management layer. The data acquisition layer includes at least one data collector and one concentrator. Ad hoc multi-hop is used between data collectors and between data collectors and concentrators. The network performs wireless communication, and the meter reading data collected by the data collector is routed to the concentrator through the ad hoc network. In the transport layer, the concentrator uses the gateway to interconnect with the Internet, and transmits the centralized data to the public network server; the management layer includes servers, The workstation analyzes the acquired data, remotely monitors and manages the meter reading system, and uses the remote server to provide users with query and access services, as shown in Figure 2. the

Wherein, the data collector includes a main control CPU module, a data storage module, an instrument measurement module, an ad hoc wireless communication module, an LCD display module and a DC power supply module, and each module communicates with the main control CPU through a bus and a serial port. The data storage module is used to store the data obtained by the meter reading module; the LCD display module is directly driven by the CPU to display various parameters of the meter and the meter reading data. The data collector is a complete ad hoc node that can serve as a terminal and a router at the same time, and communicates wirelessly with other ad hoc nodes in the ad hoc network. the

Described concentrator is the wireless network node in the ad hoc, and it comprises control processor, ad hoc wireless communication module, storage module and the power supply module that supplies power for each module. On the one hand, the concentrator communicates with each data collector through the ad hoc network, receives and stores the meter reading data from the data collector; on the other hand, it can communicate with the Internet gateway and transmit the collected data to the upper layer. Among them, the power module is used to convert the 220V AC power into low-voltage DC power for each module through AC-to-DC conversion. The Internet gateway realizes the connection between the ad hoc network and the Internet. The gateway has two network cards, one is connected to the wired network and the other is used to connect to the wireless network. The gateway simultaneously runs the ad hoc routing protocol and the Internet routing protocol to realize the connection between ad hoc and TCP/IP conversion between. The gateway is connected with the wireless transceiver device through the RS232 interface, receives the grouping from the concentrator and sends the Internet grouping to the concentrator. the

The management layer includes servers, workstations, etc., which store and analyze the obtained data, classify the data in detail, analyze user consumption, monitor peak power consumption, remotely control user power consumption management, and judge terminal operation by implementing meter reading. Perform terminal monitoring. The remote server assigns permissions to the user, and the user registers the ID through the public network, and can check his water and electricity usage and payment status at any time. The management needs to edit users, store data, and send payment notifications to users. the

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and its purpose is to enable those of ordinary skill in the art to understand the technical content of the present invention and implement it accordingly, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the essence of the present invention shall fall within the protection scope of the present invention. the

Claims (9)

1. Internet and ad hoc multi-hop network interconnection remote wireless meter reading and monitoring system, characterized in that it includes a data acquisition layer for wireless communication through the ad hoc multi-hop network, and interconnects with the Internet using the gateway corresponding to the ad hoc multi-hop network communication transport layer. 2. Internet according to claim 1 and ad hoc multi-hop network interconnection remote wireless meter reading and monitoring system, it is characterized in that, at least comprise a data collector and a concentrator in the described data collection layer, between data collector Wireless communication between data collectors and concentrators through ad hoc multi-hop network. 3. Internet according to claim 2 and ad hoc multi-hop network interconnection remote wireless meter reading and monitoring system, it is characterized in that, described data collector is the complete ad hoc node that can serve as terminal and routing simultaneously, and ad Other ad hoc nodes in the hoc network communicate wirelessly. 4. Internet and ad hoc multi-hop network interconnection remote wireless meter reading and monitoring system according to claim 2, it is characterized in that, described data collector comprises main control CPU module, data storage module, instrument measurement module, ad hoc A wireless communication module, an LCD display module and a DC power supply module, each module communicates with the main control CPU through a bus and a serial port. 5. Internet and ad hoc multi-hop network interconnection remote wireless meter reading and monitoring system according to claim 2, it is characterized in that, described concentrator is the wireless network node in ad hoc, comprises control processor, ad hoc wireless Communication module, storage module and power supply module for each module. On the one hand, the concentrator communicates with each data collector through the ad hoc network, receives and stores the meter reading data from the data collector; on the other hand, it can communicate with the Internet gateway Communicate and transmit the collected data to the upper layer. 6. Internet and ad hoc multi-hop network interconnection remote wireless meter reading and monitoring system according to claim 1, it is characterized in that, utilize the gateway of concentrator to realize ad hoc network and Internet interconnection communication in the described communication transmission layer, will The centralized data is transmitted to the public network server. 7. Internet and ad hoc multi-hop network interconnection remote wireless meter reading and monitoring system according to claim 6, it is characterized in that, described gateway is provided with two network cards, one is connected to wired network, and one is used to connect to wireless network, The gateway runs the ad hoc routing protocol and the Internet routing protocol at the same time to realize the conversion between ad hoc and TCP/IP; the gateway is connected with the wireless transceiver device through the RS232 interface, receives the packets from the concentrator and sends the Internet packets to the concentrator. 8. Internet and ad hoc multi-hop network interconnection remote wireless meter reading and monitoring system according to claim 1, is characterized in that, also comprises management layer three-layer structure, the data that management layer obtains according to server and workstation analysis, for The meter reading system conducts remote monitoring and management, and uses remote servers to provide users with query and access services. 9. Internet and ad hoc multi-hop network interconnection remote wireless meter reading and monitoring system according to claim 8, it is characterized in that, described management layer analyzes the data that obtains according to server and workstation, data is classified in detail, analysis User usage, monitoring of peak power consumption, remote control of user power consumption management, terminal monitoring by implementing meter reading to judge terminal operation, editing users, storing data, and sending payment notices to users, and assigning permissions to users through remote servers .

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