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Title:
NB-IOT INTELLIGENT GAS METER BASED ON OPENCPU TECHNOLOGY
Document Type and Number:
WIPO Patent Application WO/2022/198921
Kind Code:
A1
Abstract:
An NB-IoT intelligent gas meter based on OpenCPU technology. The NB-IoT intelligent gas meter comprises a basic meter (10), and an NB-IoT main control circuit board (50) based on OpenCPU technology, wherein the basic meter (10) comprises a metering assembly (20), a reed switch counter and an electric motor valve, which are coupled to the metering assembly (20), and an intelligent head portion (40) and an LCD display screen (30); the main control circuit board (50) is integrated and mounted on the intelligent head portion (40); and the main control circuit board (50) comprises an NB-IoT module circuit, which supports an OpenCPU, a metering sampling circuit, a valve driving circuit, a menu button, an infrared circuit, an antenna module and an ESIM circuit, which are coupled to the NB-IoT module circuit, which supports the OpenCPU, and a power source circuit and a power source voltage monitoring circuit.

Inventors:
HU MANG (CN)
WANG BINBIN (CN)
WANG ZHEN (CN)
DI PENG (CN)
WU JIEHUI (CN)
PENG XUEZHI (CN)
LU CONGHANG (CN)
LIU JINLIANG (CN)
Application Number:
PCT/CN2021/115246
Publication Date:
September 29, 2022
Filing Date:
August 30, 2021
Export Citation:
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Assignee:
SHANGHAI FIORENTINI GAS EQUIPMENT CO LTD (CN)
International Classes:
G01F15/06; G01F15/00; G07F15/00; G07F15/06
Foreign References:
CN212432258U2021-01-29
CN211293697U2020-08-18
CN112235742A2021-01-15
CN112017364A2020-12-01
CN109520576A2019-03-26
CN110930759A2020-03-27
KR20200064383A2020-06-08
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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