Nb-iot Intelligent Gas Meter Solutio
TIME：2019-09-06 VIEW： 4 FORM：圣龙科技
According to the 13th Five-Year Plan of the State, China has further promoted the development of natural gas through the import of natural gas, the construction of peak shaving infrastructure for pipeline network reserve, the digital technical transformation of urban gas operation services, and the deepening transformation of market systems such as gasification of rural areas, coal to gas, stepped gas prices and peak shaving gas prices. The proportion of primary energy consumption structure has increased from 5.9% in 2015 to 9% - 10% in 2020, and the construction of pipeline network has increased by 40,000 km, with an average annual growth rate of 10%. The population of gasification has increased by 140 million to 470 million, an increase of 42% and an average annual growth rate of 10%. The field of natural gas will usher in new opportunities for rapid development.
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Faced with the rapid development of meter reading industry, there are many problems in solving the pain point of gas customers with traditional intelligent gas meters, such as unstable data transmission, high power consumption, low success rate of meter reading, etc. NB-IoT has the characteristics of high security, wide coverage, Dalian connection, low power consumption and low cost. It can better solve the above problems and better meet the development needs of gas customers.
General Problems in Gas Industry
1. It's difficult to read meters, collect fees and pay fees.
2. Poor supply and marketing of pipeline network and leakage of transmission and distribution
3. Physical Leakage of Pipeline Network and Measurement Errors of Meters
4. Gas theft by users
5. Safety of Gas Pipeline Network
6. Complicated ladder pricing, frequent price adjustment and accurate measurement basis
At present, the stock of gas meter Market in China accounts for 60% - 70% of ordinary mechanical meters, the rest are all kinds of smart meters, most of which are IC card prepaid smart meters. The following are the characteristics of various tables:
1. Ordinary mechanical meter: mechanical metering is not intelligent and requires manual door-to-door meter reading.
2. IC card prepayment schedule: prepayment, single-household control, need card as medium
3. Wired telemeter: Wiring in advance and wired connection are needed.
4. Short-range wireless meter: point-to-point or centralized collection, remote control
5. GPRS Internet of Things Table: Based on GPRS Cellular Network, Timing Copy, Remote Control
Compared with NB-IOT gas meter, the shortcomings of intelligent gas meter are as follows:
1. Data stability, because many smart tables use small wireless technology to transmit smart tables, and use non-authorized spectrum to build ad hoc networks, its data stability, security and reliability are worrying.
2. High power consumption; if external power supply is needed, communication costs will be increased; if built-in batteries are too high power consumption, frequent replacement of batteries will increase maintenance costs.
3. Network coverage: Many domestic gas meters are installed in the corridor, indoor or underground, and the installation environment is relatively complex, resulting in over-standard rate and instability, so the network requirements are higher.
4. Capacity problem: In the environment of high gas meter installation density, the current network can not meet the simultaneous access of high-density equipment.
NB-IoT gas meter can help gas meter enterprises to reduce the cost of meter reading, real-time data analysis, scientific meter management, timely troubleshooting, reduce operating costs and improve operational efficiency:
1. Data security and reliability: NB-IoT is a network based on authorized spectrum. Its anti-interference ability, data security, technical services and other aspects have high security guarantee, and it is easy to promote.
2. Low power consumption: NB-IoT has the characteristics of low power consumption. Taking the NB-IoT gas meter of Sanhuo communication as an example, its built-in battery can work normally for more than 8 years.
3. Network coverage: NB-IoT has the characteristics of wide coverage and deep coverage, which can solve the complex installation environment of gas meters.
4. Large capacity: NB-IoT has super-large capacity, which can meet the simultaneous access of mass equipment.
In the future, not only gas meters need to be networked, but also water meters, electric meters, door locks, garbage cans, well covers, street lamps and other equipment need to be networked. NB-IoT features of low power consumption, wide coverage, large capacity and low cost will help the Internet of Things achieve faster interconnection of things. (Reprint information for reference only)
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