CN215599761U

CN215599761U - Based on NFC and NB-IOT binary channels intelligence water gauge

Info

Publication number: CN215599761U
Application number: CN202121844391.7U
Authority: CN
Inventors: 吴新潮; 柳孝民; 雷升刚
Original assignee: Xian Triones Digital Information Co Ltd
Current assignee: Xian Triones Digital Information Co Ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-01-21
Anticipated expiration: 2031-08-09

Abstract

The utility model belongs to the technical field of water meters, and relates to an intelligent water meter based on NFC and NB-IOT double channels, which comprises a microcontroller MCU module, a metering sensing module, an LCD display module, a valve driving module, a clock module, a memory module, an NFC module, an NB-IOT module and a power supply module; the utility model is characterized in that the micro-controller MCU module is used for controlling and managing other modules in the water meter, the NB-IOT module is used for carrying out wireless communication with an external operator communication network, the NFC module is used for switching and connecting to a terminal with NFC or a mobile phone to carry out communication to finish functions of payment and water quantity inquiry when the NB-IOT module can not be connected with the operator network, and the power supply module is used for supplying power to the whole water meter.

Description

Based on NFC and NB-IOT binary channels intelligence water gauge

Technical Field

The utility model belongs to the technical field of water meters, and relates to an intelligent water meter based on NFC and NB-IOT double channels.

Background

With the development of intellectualization in the water meter industry, the intelligent water meter is widely applied to daily life of people. The existing intelligent water meter mainly has three modes, namely an IC card or a wired data transmission water meter, an NB-IOT water meter and a radio frequency card water meter. Wherein, IC-card or wired mode transmission data water gauge adopts IC-card or wired mode transmission data usually, IC-card intelligent water gauge, the user purchases water and needs to purchase water to appointed place, has brought very big inconvenience for the user, the solenoid valve influences the valve and closes because incrustation scale and aquatic impurity under the long-term open mode simultaneously, makes the user continue the water use under the condition of not paying the fee, because IC-card intelligent water gauge can't insert the internet, makes the toll unit can't know the user water use in violation, in case discover also can't pay the multipurpose water fee to the user. The intelligent water meter with wired transmission has large construction and wiring workload, and the water meter cannot be read and controlled due to the damage of a communication cable; the existing NB-IOT water meter adopts a single NB-IOT channel mode, NB signals need to be supported by signal base stations of an operator, but for some remote mountain areas, the number of the signal base stations is reduced greatly, so that the intelligent water meter cannot work due to the fact that communication cannot be conducted in places without NB signals or places with poor signals; as for the radio frequency card water meter, although the 13.56M radio frequency card can be recharged through the NFC-function mobile phone, the radio frequency card is still used as a medium for swiping the card to recharge and purchase the smart water meter, if the card is lost or damaged, the user needs to report the card and make a repair, and the use is inconvenient. Therefore, there is an urgent need in the market for intelligent water meter water consumption that can be used continuously by paying operation without the need of a user card or a water meter that cannot be connected due to weak network signals and without the need of data interaction.

Disclosure of Invention

The technical scheme adopted by the utility model for solving the technical problem is as follows: an NFC and NB-IOT based dual-channel intelligent water meter comprises a microcontroller MCU module 1, a metering sensing module 2, an LCD display module 3, a valve driving module 4, a clock module 5, a memory module 6, an NFC module 7, an NB-IOT module 8 and a power supply module 9; the water meter comprises a microcontroller MCU module 1, a metering sensing module 2, an LCD display module 3, a valve driving module 4, a clock module 5, a memory module 6, an NB-IOT module 8, an NFC module 7 and a power module 9, wherein the microcontroller MCU module 1 is used for controlling and managing other modules in the water meter, the metering sensing module 2 is used for metering water consumption, the LCD display module 3 is used for displaying parameter information, data information and state information of the water meter, the valve driving module 4 is used for driving a valve switch to be opened and closed, the clock module 5 is used for providing a crystal oscillator clock source for a whole water pen, the memory module 6 is used for storing prepayment information of the water consumption of a user, the NB-IOT module 8 is used for carrying out wireless communication with an external operator communication network, the NFC module 7 is used for switching and connecting to a terminal with NFC or a mobile phone for carrying out communication to finish payment and water quantity inquiry when the NB-IOT module 8 cannot be connected with the operator network, and the power module 9 is used for providing power supply for the whole water meter; the metering sensing module 2, the LCD display module 3, the valve driving module 4, the clock module 5, the memory module 6, the NFC module 7, the NB-IOT module 8 and the power supply module 9 are all electrically connected to the MCU module 1.

Preferably, the NB-IOT module 8 includes an NB-IOT communication module 10 and a patch SIM card 11.

Preferably, the NFC module 7 includes an NFC transmission and storage module 12 and an NFC antenna 13.

Preferably, the NFC module 7 includes an NFC TAG chip supporting an ISO15693 standard protocol.

Preferably, the power module 9 includes a battery level detection module 14 and a battery 15.

More preferably, the battery 15 comprises a lithium thionyl chloride high power battery 15ER26500M, ER 18505M.

Preferably, the NB-IOT module 8 employs a BC28, BC25 or BC260 communication chip.

Preferably, the NFC module 7 uses an EA17520 communication chip.

Preferably, the water meter data is acquired by the metering sensing module 2 through mechanical meter reed switch sampling, hall magnetic sampling or ultrasonic wave sampling.

The utility model has the beneficial effects that:

the utility model combines the NB-IOT communication mode through the NFC technology, solves the problem that when the existing intelligent water meter exchanges data with the management platform through the user card or the existing network, when no user card or network signal can not be connected, the problem that the data interaction can not be realized and the normal water use is influenced is solved, the utility model adopts the NFC technology to be connected with the prior intelligent mobile phone, the data of the water meter can be transmitted to the mobile phone, after the mobile phone moves to an environment with good signals, the data of the water meter is sent to the management platform after the mobile phone is connected with an operator communication network, and similarly, the data of the management platform can be received by the mobile phone under the coverage of the operator network, then, the water is transferred to the water meter when no network of the operator is covered, so that the water meter is simple, convenient and quick, and the difficulty that water cannot be normally used due to no user card or no network in the prior art is overcome.

Drawings

FIG. 1 is a block schematic diagram of an NFC and NB-IOT two-channel intelligent water meter;

FIG. 2 is a circuit diagram of an NB-IOT module;

fig. 3 is a circuit diagram of an NFC module.

Detailed Description

The related art in the present invention will be described clearly and completely with reference to the accompanying drawings in the following embodiments, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the intelligent water meter based on the NFC and NB-IOT dual channels includes a microcontroller MCU module 1, a metering sensing module 2, an LCD display module 3, a valve driving module 4, a clock module 5, a memory module 6, an NFC module 7, an NB-IOT module 8, and a power module 9; the water meter comprises a microcontroller MCU module 1, a metering sensing module 2, an LCD display module 3, a valve driving module 4, a clock module 5, a memory module 6, an NB-IOT module 8, an NFC module 7 and a power module 9, wherein the microcontroller MCU module 1 is used for controlling and managing other modules in the water meter, the metering sensing module 2 is used for metering water consumption, the LCD display module 3 is used for displaying parameter information, data information and state information of the water meter, the valve driving module 4 is used for driving a valve switch to be opened and closed, the clock module 5 is used for providing a crystal oscillator clock source for a whole water pen, the memory module 6 is used for storing prepayment information of the water consumption of a user, the NB-IOT module 8 is used for carrying out wireless communication with an external operator communication network, the NFC module 7 is used for switching and connecting to a terminal with NFC or a mobile phone for carrying out communication to finish payment and water quantity inquiry when the NB-IOT module 8 cannot be connected with the operator network, and the power module 9 is used for providing power supply for the whole water meter; the metering sensing module 2, the LCD display module 3, the valve driving module 4, the clock module 5, the memory module 6, the NFC module 7, the NB-IOT module 8 and the power supply module 9 are all electrically connected to the MCU module 1.

Further, the NB-IOT module 8 includes an NB-IOT communication module 10 and a patch SIM card 11.

Further, the NFC module 7 includes an NFC transmission and storage module 12 and an NFC antenna 13.

Further, the NFC module 7 includes an NFC TAG chip supporting an ISO15693 standard protocol.

Further, the power module 9 includes a battery level detection module 14 and a battery 15.

Further, the battery 15 comprises a lithium thionyl chloride high power battery 15ER26500M, ER 18505M.

Further, the NB-IOT module 8 employs a BC28, BC25, or BC260 communication chip.

Further, the NFC module 7 employs an EA17520 communication chip.

Furthermore, the metering sensing module 2 collects the water meter data in a mechanical meter reed switch sampling mode, a Hall magnetic sampling mode or an ultrasonic sampling mode.

Examples

In the embodiment, the NB-IOT module 8 adopts an NB-IoT chip BC 28; the NFC module 7 employs an EA17520 chip. When the operator network can be normally used, the NFC module 7 periodically sends broadcast messages to an NFC mobile phone or an NFC terminal in a connection range through the NB-IOT module 8 to perform data exchange with a control center through the operator network, and then performs data exchange with the NFC mobile phone or the NFC terminal through the NFC module, so that water consumption data purchased in advance in a lifting machine is led into a water meter or performs data exchange with the control center through the mobile phone to complete remote purchase or remote meter reading.

Adopt NFC technique and current smart mobile phone to be connected, can transmit the data of water gauge to the cell-phone, after the cell-phone removes the environment that the signal is good, through communication network with the data transmission of water gauge to the management platform, likewise, also can receive the data of management platform through the cell-phone, then change the transmission to the water gauge again, not only convenient and the operation is very simple, confirms through identity and password, has also guaranteed the security of data.

In summary, the utility model can transmit the data of the water meter to the mobile phone by connecting the NFC technology with the existing smart phone, and after the mobile phone moves to an environment with good signals, the data of the water meter is transmitted to the management platform by connecting the mobile phone with the operator communication network. Therefore, the utility model overcomes the defects of the prior art and has good application prospect.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims

1. An intelligent water meter based on NFC and NB-IOT double channels is characterized by comprising a microcontroller MCU module (1), a metering sensing module (2), an LCD display module (3), a valve driving module (4), a clock module (5), a memory module (6), an NFC module (7), an NB-IOT module (8) and a power supply module (9); the microcontroller MCU module (1) is used for controlling and managing other modules in the water meter, the metering sensing module (2) is used for metering water consumption, the LCD display module (3) is used for displaying parameter information, data information and state information of the water meter, the valve driving module (4) is used for driving the valve switch to open and close, the clock module (5) is used for providing a crystal oscillator clock source for the whole fountain pen, the memory module (6) is used for storing the prepayment information of the water consumption of the user, the NB-IOT module (8) is used for carrying out wireless communication with the communication network of an external operator, the NFC module (7) is used for switching and connecting to a terminal with NFC or a mobile phone to communicate when the NB-IOT module (8) cannot be connected with an operator network to finish payment and water quantity inquiry, and the power module (9) is used for providing power supply for the whole water meter;

the metering sensing module (2), the LCD display module (3), the valve driving module (4), the clock module (5), the memory module (6), the NFC module (7), the NB-IOT module (8) and the power module (9) are all electrically connected to the MCU module (1).

2. An NFC-and NB-IOT-based dual channel smart water meter as claimed in claim 1, characterised in that the NB-IOT module (8) includes an NB-IOT communication module (10), a patch SIM card (11).

3. An intelligent water meter based on NFC and NB-IOT two channels according to claim 1 characterized in that the NFC module (7) comprises an NFC transmission and storage module (12), an NFC antenna (13).

4. An NFC and NB-IOT based dual channel smart water meter in accordance with claim 1 wherein the NFC module (7) includes an NFC TAG chip supporting ISO15693 standard protocols.

5. An intelligent water meter based on NFC and NB-IOT dual channel according to claim 1, wherein the power module (9) comprises a battery level detection module (14) and a battery (15).

6. An NFC and NB-IOT based dual channel smart water meter as claimed in claim 5 wherein the battery (15) includes lithium thionyl chloride high power batteries ER26500M, ER 18505M.

7. An intelligent water meter based on NFC and NB-IOT two channels according to claim 1 characterised in that the NB-IOT module (8) employs BC28, BC25 or BC260 communication chips.

8. An intelligent water meter based on NFC and NB-IOT two channels according to claim 1 characterised in that the NFC module (7) employs an EA17520 communication chip.

9. An intelligent water meter based on NFC and NB-IOT two channels according to claim 1, characterized in that the meter sensing module (2) collects the water meter data by means of mechanical meter reed switch sampling, Hall magnetic sampling or ultrasonic sampling.