Gprs 3 g 4g industrial router for environment protection solution

Xiamen Caimore Communication Technology Co.,Ltd
2 F, 37#, Wanghai Road, Software Park 2, Xiamen,China (361009)
Contact person: Cynthia Wang E-mail: sales09@caimore.com
Skype: caimoremodem whatsapp: +86-13720875034
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Tel:+86 592 5901215 Web: www.en.caimore.com1
Caimore GPRS/3G/4G industrial router for
environment protection solution
Abstract: This paper provides a design principle and implementation scheme of environmental
monitoring system based on 3G/4G network, and briefly describes the implementation method
of 3G/4G wireless transmission applied to environmental monitoring. Through practical
application, the ideal effect is obtained.
Key words: 3G/4G; router; Internet; environmental monitoring;
1. Background
Environmental protection data acquisition system is a pollution source monitoring system
composed of pollution source emission monitoring point and monitoring center. The system of
pollution sources of automatic sampling, the on‐line monitoring of the main pollution factor;
grasp the city pollution discharge and pollution emissions, monitoring data automatically
transmitted to the environmental monitoring center; by the monitoring center computer for
data collection, collation and synthetic analysis; monitoring information is transmitted to the
Environmental Protection Bureau, Environmental Protection Bureau as the decision center of
the system and of monitoring information obtained from monitoring center station of analysis,
research, promptly made decision management, increase the intensity of management.
Compared with the wired communication mode, the 3G/4G wireless communication mode is
very flexible, it has the advantages of flexible networking, easy expansion, low operation cost,
simple maintenance, high cost performance and so on. Therefore, it can be used to solve the
problem of real‐time transmission of monitoring data of pollution source by 3G/4G wireless
transmission.
2. Solution advantage
Based on the 3G / 4G service platform on environmental information collection and
transmission system based, to achieve environmental protection information acquisition, the
wireless data transmission can make full use of the existing network, shorten the construction

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period, lower construction cost advantages, and equipment installation convenient and simple
maintenance.
3G/4G wireless environmental pollution sources online monitoring system has the following
characteristics:
1, real time:
Caimore wireless data transmission equipment has the characteristics of real time online, no
time delay, and the data of multiple monitoring points can be received and processed
simultaneously without the need of wheel inspection. It can be very good to meet the
requirements of real‐time data acquisition and transmission system.
2, low construction costs:
Due to the use of public network platform, without the construction of the network, only need
to install the equipment can be good, low cost of construction;
3, a wide range of monitoring:
Construction of environmental protection information collection and transmission system
requires a wide range of data communication coverage, unlimited expansion, access to the site
without restrictions, to meet the needs of the mountains, towns and cross regional access.
Because of the large number of environmental information collection points, distributed in the
province, some environmental information collection point is located in the remote area, and
geographical location is scattered.
4, has a good scalability:
Due to the current public network has covered in most areas, there is no blind area, can realize
online monitoring a wide range of environmental information collection and transmission
system to meet the coverage requirements.
5, the transmission capacity of the system:
To achieve real‐time connection and each environmental information collection station
environmental protection center. Due to the environmental information collection points many
system requirements can meet the needs of burst data transmission, 3G/4G technology can well
meet the needs of the transmission of bursty data.
6, low communication costs:
The monthly billing, low operating costs.

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3. Solutions introduction
Since the 3G/4G communication is the IP address of the data packet communication network
based on the host computer monitoring center fixed IP address configuration, each data
acquisition point by Xiamen caimore router and the host computer communication.
(a) system composition
Site monitoring points over pollution source information automatic collection of data
acquisition module, through RS232, 485 or RJ45 interfaces and Xiamen Caimore industrial
router and transparent data transmission, each monitoring point use is connected with the
control center through the 3G / 4G network, the pollution source data acquisition point support
24 hours real‐time online, realize information collection points 24 hours collection and
transmission of environmental information data.
(b) system application connection diagram
1 set up network.
a. In practice, if the next collection point and not a lot of collection points and very large
volumes of data dispersed situation, you can take center‐to‐multipoint network applications.
Users need to install the appropriate service center server software can be carried out in the
center of the multi‐network applications. Wi‐Fi service throughout the system, the user does
not need to understand TCP / IP, UDP protocol, can be realized under the program do not
change the case of existing Wi‐Fi devices, and networking simple and reliable, and can save you
valuable time and have investment, can be used for long distance communication or control. In
this case, the data transmission distance unrestricted, flexible networking, communication can
ensure stability, to avoid loss of important data. The practical application of (1) as

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follows:
Figure (1)
B. in practical application if the acquisition point is relatively concentrated, and acquisition point
of relatively more and less amount of data can take the way of grouping, each group shared a
wireless data transmission, in communication data acquisition equipment and wireless data
transmission between each combination is 485 total lines, in this case to facilitate networking,
post operational fee less can guarantee a small amount of data is not lost, and to reduce the
number of equipment, cost savings, but each data acquisition device preferably not more than
30 units, data acquisition equipment and wireless data transmission between the even line can
not be too far away. Since 485 is a half duplex mode, to meet the low efficiency of full duplex
communication case.
The actual application as shown in figure (2) is as follows:

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Figure (2)
C. In practice, if more concentrated collection points and collection points and relatively more
cases may also take the following grouping method. In this case, using the first capture device
servers and serial devices (serial server) connected in each group serial device server (serial
server) and having a plurality of switches connected to RJ45 interface and then switch and
wireless router . Data during communication serial device server (serial server) data acquisition
equipment needs to be sent for conversion to take advantage of Ethernet transmission to be
received from the Ethernet data to be converted to the use of serial transmit data acquisition
equipment. The following figure as a wireless router, since the wireless router has only one RJ45
interface, so you have to be expanded into a plurality of switch RJ45 interface. In this scenario
the serial port server can flexibly arrange its distance and data acquisition equipment and
switches in accordance with the requirements of the construction site and technology. Due to
the use of serial device server to avoid the shortage due to the FIG. (2) 485 employed in this

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half‐duplex communication brought about by lower operating costs and late, due to the use of a
serial server, the entire program cost ratio Figure (1) low, but higher than that of FIG. (2).
Figure (3)
Wireless router uses ARM9 high performance embedded processor, real‐time operating system as
the software support platform, super memory, embedded TCP/IP protocol stack with independent
intellectual property rights. To provide users with high‐speed, stable and reliable, the data terminal is
always online, a variety of protocols to convert the virtual private network. For network traffic
control users, product support voice, SMS, data triggered on the line as well as automatic
disconnection of the function. At the same time also supports dual data center backup, as well as
multiple data centers to receive data synchronization and other functions. Company product
Has been widely used in finance, water conservancy, environmental protection, electric power, post,
meteorology and other industries.
4. Why CAIMORE
Caimore Communication devotes herself to IOT and the industrial automation

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fields, provides wireless products and video surveillance solution for remote site.
The elevate smart remote monitoring system uses wireless GPRS/3G/4G DTU to
achieve the whole system network operations, management and monitoring role which
save expenditure for early period network layout and development cycle time.

Gprs 3 g 4g industrial router for environment protection solution

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