Gprs water remote automatic meter reading system

Xiamen Caimore Communication Technology Co.,Ltd
2 F, 37#, Wanghai Road, Software Park 2, Xiamen,China (361009)
Sales06@caimore.com skype:caimoremichelle
Tel:+86 592 5901215 Web: www.caimore.com/emain.asp
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GPRS Water remote automatic meter
reading system
Solution
1 . Introduction
As the departments of water supply for the reconstruction of "one household one
table", as well as the requirement of automation, a remote automatic meter reading
system has become water automation management and an indispensable part of
intelligent control.In order to adapt to the water supply company user water meter
and the need of modern intelligent building water management, convenient water
meter users pay the water fee, the xiamen CAIMORE technology communication
specially designed for water supply companies, property management companies
based on GPRS wireless network tap water remote automatic meter reading
system.The system will be computer technology, mobile data communications
technology, network technology, automatic control technology to dissolve into an
organic whole, can automatically complete water meter network and remote data
acquisition, records, real-time monitoring, statistical analysis, print, and for, water
control management work.
2 . Components
Water remote automatic meter reading system consists of monitoring center,
communication networks and wireless networks meter (digital water meter +
CM3150P DTU) components. It comprises a central station monitoring center,
computer and system software, monitors, printers and other equipment, the central
station computer communication with the use of a wireless network meter China
Mobile's GPRS network. The system is suitable for the water company vast distances,
dispersed separate water meter users, system network block diagram shown in
Figure

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3 . Function
3.1, the automatic detection function: the system for water meter (flow) and other
parameters (pressure) data collection, monitoring, recording, and data analysis and
processing, the formation of a variety of graphs and reports, remote unmanned
automatic meter reading.
3.2, dynamic display function: timed or random dynamic display network automatic
meter reading system drawing surface water per meter and the entire system
including the total amount of water meter.
3.3. Printing: You can print each meter monthly, annual reports and monthly water
bills, the total water consumption can print day, month, annual reports and monthly
charge for water, annual reports.
3.4, data management functions: establish historical database to store raw data for
statistical analysis. Analysis of calculation of water consumption and other data
collected cumulative, average, maximum, minimum and so on, the system database
for the expansion and maintenance of all sizes to meet the water meter reading and
maintenance department data use.
3.5, mergers, web browsing functions: The system can be connected to the water
supply company's servers, local area network access through the company's existing
water supply business charge computer management system, to achieve information
sharing.

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3.6, automatic bank payment: through the monitoring center management system
and bank charges mount, billing flexibility.
3.7, the case can be based on user pay water supply or water control, IC card having
a support function.
4 . Main equipment
4.1, the central station machine: instructions for sending the monitoring center
computer and receive wireless network meter information, and information through
the RS-232 / RG45 communication interface into the computer.
4.2, the system software:
System development of professional software, which combines software with the
latest international fashion trends, can run on Windows98, Windows2000,
WindowsXP, Liunx other mainstream operating systems. System software release
machine instructions by the central station, monitoring the implementation of the
system, is responsible for configuration and network management of the collection
site, while the input data into the database, you can issue commands to achieve
parameter setting, data monitoring, statistical analysis and report printing and
supply , water control and other treatment.
4.3, CM 3130P GPRS DTU Technical parameters:
CM 3150P GPRS DTU using high-performance industrial embedded ARM9
processor, real-time operating system software support platform, large memory,
built-in proprietary TCP / IP protocol stack. To provide users with high-speed, reliable,
always-on data terminals, multiple protocol conversion of a virtual private network.
For user-network flow control products support voice, messaging, data and on-line
trigger automatic disconnection timeout function. Also supports dual data center
backup, and synchronize multiple data centers to receive data, and other functions.
Cellular
1, supports EGSM900 / GSM1800 wireless network
2, GPRS multi-slot class 10
3, coding schemes: CS1 ~ CS4
4, in line with the technical specifications SMG31bis
5, Compliant to GSM phase 2/2 +
Support data, voice, SMS and fax
Hardware System
7, CPU: Industrial ARM9 CPU, 200MPS, 16K Dcache, 16K Icache (the industry's
most advanced CPU)
8, FLASH: 8MB (expandable to 32MB) (the industry's largest memory capacity)
9, SDRAM: 64MB (expandable to 256MB)
10. Interface:

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An RS232 serial port. Serial rate 110 ~ 230400bits / s
Indicator: Power Comm Online
Antenna Interface: standard SMA female antenna interfaces, the characteristic
impedance of 50 ohms.
SIM card interface: 3V / 5V standard user card interface putt.
Power Interface: standard 3-pin power jack.
Voice interface: standard headphone microphone interface.
11, power supply:
External power supply: DC 9V 500mA
Wide voltage power supply: DC 5-35V
Communications Current: 350mA
Standby Current: 35mA
12, industrial wireless module
GRPS module: Simens MC39i
13, size
Dimensions: 92.7x61.3x23 mm (not including antenna and fixed parts)
14, other parameters:
Operating ambient temperature -25 ~ + 65ºC
Storage temperature -40 ~ + 85ºC
95% relative humidity (non-condensing)
Software features
1. Intelligent anti dropped support of online testing, online maintenance of
automatic redial dropped calls, to ensure that equipment is always online.
2. Support RSA, RC4 encryption algorithm
3. Support virtual duty VWM (Virtual Man Watch) function to ensure stable and
reliable system
4. Support for virtual private network data (APN)
5. Transparent data transmission and protocol conversion, support multiple
operating modes
6. To support the data center dynamic domain name and IP address access
7. supports dual data center backup
8. Support multiple data centers
9. Supports master and slave modes
10. Support SMS, voice, data and other wake-up mode and network connection
timeout.
11. Support SMS backup and alarms.
12. multiple hardware and software watchdog
13. The packet transmission status reports.
14. The standard AT command interface
15. can be used as an ordinary dial-up MODEM

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16. Support telnet function.
17. Support remote configuration, remote control
18. Software upgrades through the serial port
19. supports LINUX and WINDOWS operating systems
Network Meter
Specifications and ordinary water the same accuracy of national standards for
measurement level. The meter combines the Xiamen Caimore communication CM
3150P GPRS DTU, with measurement accuracy (telemetry display readout of water
and water itself exactly the same value), stable and reliable, low power consumption,
no missing data features, to solve the remote digital measurement error, fear power
outages, power consumption, shortcomings fear of interference. Network water
meter can be used directly 220V mains or DC power supply. Wireless network
stations without reprovision meter machine, which has similar performance station
machine by CM 3150P GPRS DTU and the central station machine data directly using
China Mobile wireless network.
5, a computer (PC), LCD monitor or projector, printers, uninterruptible power
supplies, surge arresters and other equipment purchased general or specific products,
according to the meter reading system and user needs and configuration.
Fifth, the system features
The system has the following characteristics:
1, the system has all the advantages of GPRS, namely:
1.1 Forever Online: as long as the activation of GPRS, will always stay on the line,
there is no dropped calls; similar to a radio
Line network.
1.2 high-speed transmission: Because GPRS take the advanced packet switching,
data transmission and the maximum theoretical value of up to 171.2kb / s. Therefore,
the system transmits data on a removable information superhighway.
1.3 by the amount of fees: GPRS to receive and send data to the number of
charges in accordance with the present system, when there is no transfer of data
traffic, even online, without charge. Therefore, it is a use-oriented, scientific and
reasonable billing.
2, automatic detection meter reading function of the system allows the water
company (or residential property management department) timely and accurately
grasp the situation of water users and meter charge for water, so water management
and service quality has leapt to a new level, effectively promoted the water company
(or residential property sector) to improve the modern management level.
3, the system can solve the problem of real-time water management, real-time
measurement and remote control for remote automatic metering of water supply

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companies, water sharing billing, water management and water loss analysis of
real-time remote monitoring system of modern water management provides a
reliable means.
4, remote meter reading and automatic meter reading can reduce the number of
employees and related expenses, reduce labor intensity and improve work efficiency
meter; the measurement accuracy of the system will prevent the leakage of artificial
negligent copy, copy error, estimate copy ; real-time monitoring of the system can
reduce the leaking pipe rupture, water users and other water loss caused by illegal;
the application of the system will effectively improve water recovery and reduce
operating costs of the water supply network.
5, large capacity non-volatile memory, can store large amounts of water meter
data, power data is stored for 10 years; password protected, unauthorized users can
not operate.
6 . the system significant economic
1, lower project cost
Because of the city's tap water supply coverage reached more than 95% in general,
thousands of families of both water dispersion and away from the water companies,
water companies over the years applied communication radio telemetry systems
typically use radio. Such as the use of this type of communication, monitoring and
control center of the water companies are required to configure the radio, dedicated
power supply and high-gain antenna tower in the urban water users throughout the
measuring point addition to configuring the radio and dedicated power supply, the
need to configure the high-gain directional antenna. The communication system
using China Mobile's GPRS network, the Control Center Water Division simply
configure built-in antenna central station machine, water meter measuring point you
need to configure a wireless network or station meter machine. This type of wireless
network meter and test station machine, each occupies only a mobile phone number,
the reliability of its communication with the mobile phone. Therefore, the project
cost of the system than the system of low-cost application stations at least 10-20
million or more (the more the greater the number of measuring points difference).
2, low running costs
2.1 system uses China Mobile's GPRS communication network without the use of
radio, no antenna or directional antenna tower erection and other ancillary
equipment, wireless network and station meter machine is basically
maintenance-free operation, no maintenance with professional and technical
personnel so low maintenance costs. The use of radio communication for an
application to the radio channel resources management, professional and technical
personnel to be equipped with maintenance, so maintenance costs, staff wages and
transport fares, plus fees, electricity and channels occupied, its overall operating
costs expenses less than a month 3,000.
2.2 may use its communications network signed an agreement with China Mobile
Communications Corporation, according to the amount of the charge transfer. GPRS
method of accounting standards: 0.01 yuan / 1kb, a minimum charge of 20 yuan per

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month. Each measuring point transmission capacity to 2kb / second count, if 1 hour
of data transmission, then a month of calls = 2kb × 24 × 31 × 0.01 元 /1kb=14.88
yuan; the minimum charge is 20 yuan. Currently, communications and some remote
automatic meter-reading system using China Telecom's telephone line transmission,
if transmission data per hour, then each measuring point 1 month of calls = 24 × 31 ×
0.20 yuan = 148.80 yuan; therefore, wired telephone lines for transmission of
communications Billing and the system uses the GPRS compared to 148.80 ÷ 20 =
7.44 times.
Conclusions
In summary, the application of GPRS tap remote automatic meter reading system
has significant social and economic benefits, which advanced, practical, scalability,
security, reliability, making her will in the water industry more widely to promote the
application for the development of the water industry to make greater contribution.

Gprs water remote automatic meter reading system

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