Smart-home gas-stealing-preventing gas meter reading system based on GSM
A meter reading system and smart home technology, applied in signal transmission systems, non-electrical signal transmission systems, instruments, etc., can solve the problems of long data transmission distance, data transmission rate, missed reading, gas estimated reading, etc., and achieve reliable data transmission High performance, reasonable structure, and the effect of preventing gas stealing
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Embodiment 1
[0029] A smart home anti-theft gas meter reading system based on GSM, the gas meter reading system can realize the meter reading work of gas meters in a residential area or even multiple residential areas. The gas meter reading system includes a gas meter box 1, a collector, a GSM communication module and a controller. The gas meter box 1 is installed in the households of the community, and a gas meter 12 is arranged in each gas meter box 1, that is, one gas meter 12 for each household. One or more gas meters 12 are correspondingly provided with a collector, and the collector is used to collect gas information such as user information and gas consumption information recorded by the one or more gas meters 12 . One collector corresponds to one GSM communication module, and the collector transmits the gas information it collects to the GSM communication module through the GSM network. One or more GSM communication modules correspond to a controller, and the GSM communication mod...
Embodiment 2
[0037] On the basis of embodiment one, this collector comprises single-chip microcomputer and TC35i module, and this single-chip microcomputer selects At89C51 single-chip microcomputer for use, and this At89C51 single-chip microcomputer is connected with gas meter 12 by RS485 serial communication interface, 485 bus line, and this At89C51 single-chip microcomputer is through MAX232A conversion level and The TC35i module is electrically connected, and the TC35i module is electrically connected to the GSM communication module.
[0038] As a preference, the collector can also be provided with an LCD data display module and an EEPROM module, such as SMS control center number, gas meter 12 address information and other system data can be stored in the EEPROM module to play the role of power-down protection.
Embodiment 3
[0040] On the basis of Embodiment 1 or Embodiment 2, the head wheel of the character wheel 121 of the counter includes a head wheel body 1211 , and 20 transmission teeth 1212 are arranged on the right side of the head wheel body 1211 . The head wheel with this structure can make the operation of the gas meter 12 stable, the error stability of the gas meter 12 is high, and there will be no jumping situation under the condition of a large gas flow rate, which improves the qualification of the gas meter 12. Rate.
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