CN113709594B - Power saving method and system for NB-Iot intelligent water meter and NB-Iot intelligent water meter - Google Patents

Power saving method and system for NB-Iot intelligent water meter and NB-Iot intelligent water meter Download PDF

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Publication number
CN113709594B
CN113709594B CN202110851900.7A CN202110851900A CN113709594B CN 113709594 B CN113709594 B CN 113709594B CN 202110851900 A CN202110851900 A CN 202110851900A CN 113709594 B CN113709594 B CN 113709594B
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water meter
iot
intelligent water
module
communication module
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CN113709594A (en
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尹涵
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Shenzhen Mintai Intelligent Technology Co ltd
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Shenzhen Mintai Intelligent Technology Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/60—Arrangements in telecontrol or telemetry systems for transmitting utility meters data, i.e. transmission of data from the reader of the utility meter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measuring Volume Flow (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention relates to a power saving method and a power saving system of an NB-Iot intelligent water meter and the NB-Iot intelligent water meter, which are applied to the NB-Iot intelligent water meter and comprise the following steps: the NFC module is communicated with the external terminal, the metering module is connected with the NFC module, and the NB-Iot communication module is connected with the metering module; the method comprises the following steps: the NFC module detects whether a switching signal sent by an external terminal is received or not in real time; if yes, the NFC module sends a switching signal to the metering module; the metering module receives the switch signal and controls the NB-Iot communication module to close the uploading data function or open the uploading data function according to the switch signal. According to the intelligent water meter and the method, when the intelligent water meter is not put into use in a warehouse through the NFC technology, the data uploading function is closed, the intelligent water meter stops uploading data, and when the intelligent water meter is installed and put into use, the data uploading function is opened, so that the intelligent water meter is prevented from consuming battery energy, and the service life of the intelligent water meter is effectively prolonged.

Description

Power saving method and system for NB-Iot intelligent water meter and NB-Iot intelligent water meter
Technical Field
The invention relates to the technical field of intelligent water meters, in particular to a power saving method and system of an NB-Iot intelligent water meter and the NB-Iot intelligent water meter.
Background
When the NB-Iot intelligent water meter is assembled but not installed to be used in the field, the conventional NB-Iot intelligent water meter can report data every day at regular time as long as the assembly is completed (a battery is assembled). In practical application, after the NB-Iot intelligent water meter is assembled, the NB-Iot intelligent water meter is generally placed in a warehouse and is installed on site for use when needed, and in the period of time stored in the warehouse, the NB-Iot intelligent water meter still keeps reporting data at regular time every day, so that unnecessary electric energy loss is caused to a battery in the NB-Iot intelligent water meter, and the service life of the NB-Iot intelligent water meter is shortened.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a power saving method and system for an NB-Iot intelligent water meter and the NB-Iot intelligent water meter aiming at the defects in the prior art.
The technical scheme adopted for solving the technical problems is as follows: a power saving method for constructing an NB-Iot intelligent water meter is applied to the NB-Iot intelligent water meter, and the NB-Iot intelligent water meter comprises: the NFC device comprises an NFC module, a metering module and an NB-Iot communication module, wherein the NFC module is communicated with an external terminal, the metering module is connected with the NFC module, and the NB-Iot communication module is connected with the metering module; the method comprises the following steps:
The NFC module detects whether a switching signal sent by an external terminal is received or not in real time;
if yes, the NFC module sends the switch signal to the metering module;
And the metering module receives the switching signal and controls the NB-Iot communication module to close the uploading data function or open the uploading data function according to the switching signal.
In the power saving method of the NB-Iot intelligent water meter, the metering module receives the switch signal and controls the NB-Iot communication module to close or open an uploading data function according to the switch signal comprises the following steps:
the metering module analyzes and processes the switching signals and determines the type of the switching signals according to analysis and processing results;
And the metering module controls the NB-Iot communication module to close the uploading data function or open the uploading data function according to the type of the switching signal.
In the power saving method of the NB-Iot intelligent water meter, the types of the switching signals comprise: turning off the user enable signal and turning on the user enable signal;
If the type of the switch signal is a closing user enabling signal, the metering module controls the NB-Iot communication module to close the uploading data function or open the uploading data function according to the type of the switch signal, wherein the closing of the uploading data function comprises the following steps:
the metering module controls the NB-Iot communication module to close an uploading data function according to the closing user enabling signal;
If the type of the switch signal is an on-user enabling signal, the metering module controls the NB-Iot communication module to close the uploading data function or open the uploading data function according to the type of the switch signal, wherein the switching signal comprises the following steps of:
And the metering module controls the NB-Iot communication module to open an uploading data function according to the opening user enabling signal.
In the power saving method of the NB-Iot intelligent water meter, the method further comprises the following steps:
after the NB-Iot communication module opens the data uploading function:
The metering module judges whether the specified uploading time is reached;
if yes, the metering module controls the NB-Iot communication module to switch from a sleep mode to a working mode;
And after the NB-Iot communication module is switched to the working mode, uploading data to be uploaded of the intelligent water meter.
In the power saving method of the NB-Iot intelligent water meter, the method further comprises the following steps:
Judging whether abnormal alarm information of the intelligent water meter is detected or not when the NB-Iot communication module is in a dormant mode;
If yes, the NB-Iot communication module is controlled to be switched from a sleep mode to a working mode, and the abnormal alarm information is uploaded in real time.
In the power saving method of the NB-Iot intelligent water meter, the method further comprises the following steps:
And the NB-Iot communication module uploads data to the monitoring terminal so that the monitoring terminal stores and/or displays the data uploaded by the NB-Iot communication module.
In the power saving method of the NB-Iot intelligent water meter, the method further comprises the following steps:
the NFC module receives a control instruction signal sent by the external terminal and sends the control instruction signal to the metering module;
And the metering module receives the control command signal sent by the NFC module, and performs parameter setting and/or valve control of the intelligent water meter according to the control command signal.
In the power saving method of the NB-Iot intelligent water meter, the method further comprises the following steps:
Detecting the water meter information of the intelligent water meter in real time through a water meter detection device;
The metering module monitors the intelligent water meter according to the water meter information of the intelligent water meter and judges whether the water consumption state of a user is abnormal according to the water meter information;
If yes, the metering module sends the water consumption abnormality information to the NB-Iot communication module;
And the NB-Iot communication module sends the water consumption abnormality information to a monitoring terminal.
The invention also provides an NB-Iot intelligent water meter, comprising: the NFC device comprises an NFC module, a metering module and an NB-Iot communication module, wherein the NFC module is communicated with an external terminal, the metering module is connected with the NFC module, and the NB-Iot communication module is connected with the metering module;
The metering module is used for receiving a switching signal sent by the NFC module and controlling the NB-Iot communication module to close or open an uploading data function according to the switching signal;
The NB-Iot communication module is used for closing the uploading data function or opening the uploading data function according to the control of the metering module.
In the NB-Iot intelligent water meter, the invention further comprises: a first motherboard and a second motherboard;
The metering module and the NFC module are arranged on the first main board, the NB-Iot communication module is arranged on the second main board, and the first main board and the second main board are communicated through a TTL interface.
In the NB-Iot intelligent water meter, the metering module comprises: a water meter detection device and a first controller;
The water meter detection device is used for detecting the water meter information of the intelligent water meter in real time when the NB-Iot intelligent water meter works, and sending the water meter information to the first controller;
the first controller is used for controlling the NB-Iot communication module to close the uploading data function or open the uploading data function according to the switch signal, and monitoring the intelligent water meter according to the water meter information.
In the NB-Iot intelligent water meter, the NFC module comprises: an NFC antenna and a memory;
the NFC antenna is used for sensing radio frequency signals of the external terminal and sending the switch signals to the metering module based on the radio frequency signals;
The memory is used for storing the water meter information.
In the NB-Iot intelligent water meter, the NB-Iot communication module comprises: the second controller, the sub-communication module and the battery detection device;
The battery detection device is used for detecting battery information of the intelligent water meter in real time;
the sub-communication module is used for carrying out data interaction between the second controller and the monitoring terminal;
The second controller is used for controlling the sub-communication module to send and receive data and analyzing and processing the battery information.
The invention also provides an NB-Iot intelligent water meter power saving system, which comprises: the NB-Iot intelligent water meter and the monitoring terminal communicated with the NB-Iot intelligent water meter are described above.
The power saving method and system for the NB-Iot intelligent water meter and the NB-Iot intelligent water meter have the following beneficial effects: NB-Iot intelligent water meter includes: the NFC module is communicated with the external terminal, the metering module is connected with the NFC module, and the NB-Iot communication module is connected with the metering module; the method comprises the following steps: the NFC module detects whether a switching signal sent by an external terminal is received or not in real time; if yes, the NFC module sends a switching signal to the metering module; the metering module receives the switch signal and controls the NB-Iot communication module to close the uploading data function or open the uploading data function according to the switch signal. According to the intelligent water meter and the method, when the intelligent water meter is not put into use in a warehouse through the NFC technology, the data uploading function is closed, the intelligent water meter stops uploading data, and when the intelligent water meter is installed and put into use, the data uploading function is opened, so that the intelligent water meter is prevented from consuming battery energy, and the service life of the intelligent water meter is effectively prolonged.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic flow chart of a power saving method of an NB-Iot intelligent water meter provided by an embodiment of the present invention;
FIG. 2 is a schematic block diagram of an NB-Iot intelligent water meter provided by an embodiment of the present invention;
fig. 3 is a schematic block diagram of an NB-Iot intelligent water meter power saving system according to an embodiment of the present invention.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
The invention provides a power saving method of an NB-Iot intelligent water meter, which can solve the problems that the battery power consumption is caused by the fact that the conventional NB-Iot intelligent water meter is assembled and stored in a warehouse and the data is still kept uploaded every day, and the service life of the NB-Iot intelligent water meter is reduced.
Referring to fig. 1, a schematic flow chart of an alternative embodiment of a power saving method for an NB-Iot intelligent water meter according to the present invention is shown.
As shown in fig. 1, the power saving method of the NB-Iot intelligent water meter comprises the following steps:
in step S101, the NFC module 10 detects in real time whether a switching signal sent by an external terminal is received.
Specifically, the NFC module 10 detects in real time whether a radio frequency signal of an external terminal device can be sensed, and if yes, receives a switch signal sent by the external terminal.
According to the embodiment of the invention, the NFC module 10 is arranged in the NB-Iot intelligent water meter, so that communication with an external terminal through the NFC module 10 can be realized, and meanwhile, the power consumption of the NB-Iot intelligent water meter cannot be increased because the power consumption of NFC communication can be ignored. In addition, when communicating with an external terminal, power can be supplied reversely by the external terminal.
Optionally, the external terminal includes, but is not limited to, a mobile phone, a tablet computer, a smart watch, a smart bracelet, etc. with NFC function.
Optionally, in an embodiment of the present invention, the types of the switching signals include: turning off the user enable signal and turning on the user enable signal.
In step S102, if yes, the NFC module 10 sends a switching signal to the metering module 20.
In step S103, the metering module 20 receives the switch signal and controls the NB-Iot communication module 30 to turn off the upload data function or turn on the upload data function according to the switch signal.
In some embodiments, the metering module 20 receives the switch signal and controls the NB-Iot communication module 30 to turn off the upload data function or turn on the upload data function according to the switch signal includes: the metering module 20 analyzes and processes the switch signals and determines the type of the switch signals according to the analysis and processing results; the metering module 20 controls the NB-Iot communication module 30 to turn off the upload data function or turn on the upload data function according to the type of the switching signal.
If the type of the switch signal is a close user enable signal, the metering module 20 controls the NB-Iot communication module 30 to close the upload data function or open the upload data function according to the type of the switch signal includes: the metering module 20 controls the NB-Iot communication module 30 to close the upload data function according to the close user enable signal.
If the type of the switch signal is an on user enable signal, the metering module 20 controls the NB-Iot communication module 30 to close the upload data function or open the upload data function according to the type of the switch signal, which includes: the metering module 20 controls the NB-Iot communication module 30 to switch on the upload data function according to the open user enable signal.
Specifically, after the NB-Iot intelligent water meter is assembled, a relevant staff or a user may approach the hand-held terminal (such as a mobile phone) to the NB-Iot intelligent water meter, so as to communicate with the NFC module 10 of the NB-Iot intelligent water meter, open an APP (debugging software) installed on the mobile phone, click a closing upload data function, at this time, the mobile phone sends a closing user enabling signal to the NFC module 10 in the NB-Iot intelligent water meter, where the closing user enabling signal is a radio frequency signal, the NFC module 10 obtains and sends the radio frequency signal to the metering module 20 in an inductive manner, and after the metering module 20 analyzes and processes the radio frequency signal sent by the NFC module 10, the radio frequency signal is identified as a closing user enabling signal, and then outputs a corresponding control instruction to the NB-Iot communication module 30 according to the closing user enabling signal, so as to control the NB-Iot communication module 30 to close the upload data function, so that the NB-Iot communication module 30 stops uploading data every day during the storage period, and is always in a dormant state, thereby effectively avoiding battery loss of the NB-Iot intelligent water meter, and prolonging the service life of the NB-Iot intelligent water meter.
It can be appreciated that in the embodiment of the present invention, when the NB-Iot intelligent water meter is assembled and stored in the warehouse, after the staff closes the uploading data function of the NB-Iot intelligent water meter, the NB-Iot intelligent water meter is always in the dormant state during the storage process, and at this time, the NB-Iot intelligent water meter cannot automatically wake up the NB-Iot communication module 30, and only when the staff approaches the NB-Iot intelligent water meter through the handheld terminal thereof and sends the open user enabling signal to the NB-Iot intelligent water meter, the NB-Iot intelligent water meter can automatically wake up the NB-Iot communication module 30.
When the NB-Iot intelligent water meter is shipped and installed on site, a relevant staff or a user can approach a handheld terminal (such as a mobile phone) of the NB-Iot intelligent water meter to the NB-Iot intelligent water meter, so as to realize communication with the NFC module 10 of the NB-Iot intelligent water meter, and open an APP (debug software) installed on the mobile phone, and click on an open upload data function, at this time, the mobile phone sends an open user enabling signal to the NFC module 10 in the NB-Iot intelligent water meter, wherein the open user enabling signal is a radio frequency signal, the NFC module 10 obtains and sends the radio frequency signal to the metering module 20 in an inductive manner, and after the metering module 20 analyzes and processes the radio frequency signal sent by the NFC module 10, the radio frequency signal is identified as an open user enabling signal, and then a corresponding control command is output to the NB-Iot communication module 30 according to the open user enabling signal, so that the NB-Iot communication module 30 opens an upload data function, and the NB-Iot communication module 30 performs a task of uploading data in a timing every day. Further, when the NB-Iot intelligent water meter is factory installed for field use, the NB-Iot communication module 30 is in a sleep state when uploading data is not executed, so that energy consumption is further reduced.
Further, in some embodiments, the power saving method of the NB-Iot intelligent water meter further comprises the following steps: the NB-Iot communication module 30, after turning on the upload data function: the metering module 20 determines whether a specified upload time has been reached; if yes, the metering module 20 controls the NB-Iot communication module 30 to switch from the sleep mode to the operation mode; after the NB-Iot communication module 30 switches to the operation mode, the data to be uploaded of the intelligent water meter is uploaded.
Further, in some embodiments, the power saving method of the NB-Iot intelligent water meter further comprises the following steps: judging whether abnormal alarm information of the intelligent water meter is detected or not when the NB-Iot communication module 30 is in a dormant mode; if so, the NB-Iot communication module 30 is controlled to switch from the sleep mode to the operation mode, and the abnormality alarm information is uploaded in real time. Specifically, after the NB-Iot intelligent water meter is shipped and installed on site for use, the NB-Iot communication module 30 is generally in a sleep mode, and when an abnormality of the intelligent water meter is detected, the NB-Iot communication module 30 is switched from the sleep mode to a working mode and uploads the abnormality alarm information to the background server or the background monitoring terminal 300 in real time.
In some embodiments, the power saving method of the NB-Iot intelligent water meter further comprises the following steps: the NB-Iot communication module 30 uploads data to the monitoring terminal 300 so that the monitoring terminal 300 stores and/or displays the data uploaded by the NB-Iot communication module 30. Further, the monitoring terminal 300 also analyzes and processes the data uploaded by the NB-Iot communication, and outputs a corresponding alarm signal when obtaining the abnormality alarm information or the water consumption abnormality information of the NB-Iot intelligent water meter. Alternatively, the abnormality alert information includes, but is not limited to, battery voltage abnormality information, battery cell abnormality information, and the like.
Further, in some embodiments, the power saving method of the NB-Iot intelligent water meter further comprises the following steps: the NFC module 30 receives a control command signal sent by an external terminal, and sends the control command signal to the metering module 20; the metering module 20 receives the control command signal sent by the NFC module 10, and performs parameter setting and/or valve control of the intelligent water meter according to the control command signal.
Specifically, by sending a control command signal to the NFC module 10, setting parameters such as an address, a count, time and the like of the NB-Iot intelligent water meter and controlling a valve of the intelligent water meter can be achieved.
Further, in some embodiments, the power saving method of the NB-Iot intelligent water meter further comprises the following steps: detecting water meter information of the intelligent water meter in real time through a water meter detection device 201; the metering module 20 monitors the intelligent water meter according to the water meter information of the intelligent water meter and judges whether the water consumption state of the user is abnormal according to the water meter information; if yes, the metering module 20 sends the water use abnormality information to the NB-Iot communication module 30; the NB-Iot communication module 30 transmits the water usage abnormality information to the monitoring terminal 300.
Specifically, when the NB-Iot intelligent water meter is shipped and installed in field use, the water meter detection device 201 detects the water meter information of the intelligent water meter in real time, and sends the water meter information to the metering module 20 in real time, and the metering module 20 performs analysis processing, so as to realize real-time monitoring on the water consumption state of the intelligent water meter, and when water consumption abnormality is found, sends the water consumption abnormality information to the NB-Iot communication module 30, and the NB-Iot communication module 30 sends the water consumption abnormality information to the monitoring terminal 300.
Alternatively, the water meter detection device 201 includes, but is not limited to, a magnetoresistive sensor, a hall sensor, an ultrasonic sensor, and the like. The meter information includes, but is not limited to, water flow rate, water flow direction, water flow rate, etc.
According to the power saving method for the NB-Iot intelligent water meter, disclosed by the embodiment of the invention, by utilizing the NFC technology, when the NB-Iot intelligent water meter is stored in a warehouse, the uploading data function of the NB-Iot intelligent water meter is closed, so that the NB-Iot intelligent water meter does not upload data every day during the storage period, the energy consumption waste of the NB-Iot intelligent water meter during the storage period is avoided, and the service life of the NB-Iot intelligent water meter is prolonged.
Referring to fig. 2, for the NB-Iot intelligent water meter provided by the present invention, the NB-Iot intelligent water meter can effectively save the electric quantity of the NB-Iot intelligent water meter based on the NB-Iot intelligent water meter power saving method disclosed by the embodiment of the present invention, and prolong the service life of the intelligent water meter.
Specifically, as shown in fig. 2, the NB-Iot intelligent water meter includes: an NFC module 10 that communicates with an external terminal, a metering module 20 connected to the NFC module 10, and an NB-Iot communication module 30 connected to the metering module 20.
The NFC module 10 is configured to communicate with an external terminal in an NFC induction manner, and when the external terminal approaches the NB-Iot intelligent water meter, the NFC module 10 may sense a radio frequency signal of the external terminal and send the radio frequency signal to the metering module 20, where the radio frequency signal is a switch signal disclosed in the embodiment of the present invention.
Optionally, the NFC module 10 includes: NFC antenna 101 and memory 103. The NFC antenna 101 is configured to sense a radio frequency signal of an external terminal, and send a switching signal to the metering module 20 based on the radio frequency signal; the memory 103 is used to store water meter information. Further, the NFC module 10 further includes: NFC chip 102, wherein NFC chip 102 is used to control and manage NFC antenna 101 and memory 103. The NFC chip 102 may employ ST25DV04K-IER6S3. Of course, it is understood that the NFC chip 102 may also be another chip with NFC function, which is not limited to the model disclosed in the embodiment of the present invention.
The metering module 20 is configured to receive a switching signal sent by the NFC module 10, and control the NB-Iot communication module 30 to close the data uploading function or open the data uploading function according to the switching signal.
Optionally, the metering module 20 includes: a water meter detection device 201 and a first controller 202.
The water meter detection device 201 is configured to detect water meter information of the intelligent water meter in real time and send the water meter information to the first controller 202 when the NB-Iot intelligent water meter is in operation; the first controller 202 is configured to control the NB-Iot communication module 30 to close the upload data function or open the upload data function according to the switch signal, and monitor the intelligent water meter according to the water meter information. Alternatively, the water meter detection device 201 includes, but is not limited to, a magnetoresistive sensor, a hall sensor, an ultrasonic sensor, and the like. The meter information includes, but is not limited to, water flow rate, water flow direction, water flow rate, etc.
The NB-Iot communication module 30 is configured to switch off the upload data function or switch on the upload data function according to the control of the metering module 20.
Optionally, the NB-Iot communication module 30 includes: a second controller 301, a sub-communication module 302, and a battery detection device 303. The battery detection device 303 is used for detecting battery information of the intelligent water meter in real time; the sub-communication module 302 is used for the second controller 301 to interact data with the monitoring terminal 300; the second controller 301 is configured to control the sub-communication module 302 to transmit and receive data, and perform analysis processing on battery information.
Further, the NB-Iot intelligent water meter further comprises: and the power supply unit is used for supplying power to each functional module of the NB-Iot intelligent water meter. Alternatively, the power supply unit may include: rechargeable batteries, non-rechargeable batteries, etc.
Further, the NB-Iot intelligent water meter further comprises: a first motherboard 100 and a second motherboard 200.
The metering module 20 and the NFC module 10 are disposed on the first motherboard 100, and the NB-Iot communication module 30 is disposed on the second motherboard 200. Wherein, the first motherboard 100 and the second motherboard 200 communicate through a TTL interface. Optionally, the first motherboard 100 and the second motherboard 200 are both PCB boards.
In the embodiment of the invention, the NFC module 10 and the metering module 20 are arranged on the same PCB, so that the whole structure is not affected, and meanwhile, the NFC module 10 is directly arranged on the PCB, so that the reliability is high, the price is low, the whole cost can be further reduced, and meanwhile, the energy-saving and environment-friendly effects of the product can be achieved. Moreover, the NFC antenna 101 is directly disposed on the PCB board, and the whole structure is not affected. In addition, the NFC communication power consumption can be ignored, and when the NFC communication is carried out with the mobile phone, the power can be reversely supplied through the mobile phone.
Referring to fig. 3, a schematic block diagram of an alternative embodiment of an NB-Iot intelligent water meter power saving system provided by the present invention is shown. The power saving system of the NB-Iot intelligent water meter achieves the purpose of saving power by utilizing the power saving method of the NB-Iot intelligent water meter disclosed by the embodiment of the invention.
Specifically, as shown in fig. 3, the NB-Iot intelligent water meter power saving system may include: the embodiment of the invention provides an NB-Iot intelligent water meter and a monitoring terminal 300 which is communicated with the NB-Iot intelligent water meter.
Wherein, this NB-Iot intelligent water gauge includes: an NFC module 10 that communicates with an external terminal, a metering module 20 connected to the NFC module 10, and an NB-Iot communication module 30 connected to the metering module 20.
The NFC module 10 is configured to communicate with an external terminal in an NFC induction manner, and when the external terminal approaches the NB-Iot intelligent water meter, the NFC module 10 may sense a radio frequency signal of the external terminal and send the radio frequency signal to the metering module 20, where the radio frequency signal is a switch signal disclosed in the embodiment of the present invention.
Optionally, the NFC module 10 includes: NFC antenna 101 and memory 103. The NFC antenna 101 is configured to sense a radio frequency signal of an external terminal, and send a switching signal to the metering module 20 based on the radio frequency signal; the memory 103 is used to store water meter information. Further, the NFC module 10 further includes: NFC chip 102, wherein NFC chip 102 is used to control and manage NFC antenna 101 and memory 103. The NFC chip 102 may employ ST25DV04K-IER6S3. Of course, it is understood that the NFC chip 102 may also be another chip with NFC function, which is not limited to the model disclosed in the embodiment of the present invention.
The metering module 20 is configured to receive a switching signal sent by the NFC module 10, and control the NB-Iot communication module 30 to close the data uploading function or open the data uploading function according to the switching signal.
Optionally, the metering module 20 includes: a water meter detection device 201 and a first controller 202.
The water meter detection device 201 is configured to detect water meter information of the intelligent water meter in real time and send the water meter information to the first controller 202 when the NB-Iot intelligent water meter is in operation; the first controller 202 is configured to control the NB-Iot communication module 30 to close the upload data function or open the upload data function according to the switch signal, and monitor the intelligent water meter according to the water meter information. Alternatively, the water meter detection device 201 includes, but is not limited to, a magnetoresistive sensor, a hall sensor, an ultrasonic sensor, and the like. The meter information includes, but is not limited to, water flow rate, water flow direction, water flow rate, etc.
The NB-Iot communication module 30 is configured to switch off the upload data function or switch on the upload data function according to the control of the metering module 20.
Optionally, the NB-Iot communication module 30 includes: a second controller 301, a sub-communication module 302, and a battery detection device 303. The battery detection device 303 is used for detecting battery information of the intelligent water meter in real time; the sub-communication module 302 is used for the second controller 301 to interact data with the monitoring terminal 300; the second controller 301 is configured to control the sub-communication module 302 to transmit and receive data, and perform analysis processing on battery information.
Further, the NB-Iot intelligent water meter further comprises: and the battery is used for supplying power to each functional module of the NB-Iot intelligent water meter.
Further, the NB-Iot intelligent water meter further comprises: a first motherboard 100 and a second motherboard 200.
The metering module 20 and the NFC module 10 are disposed on the first motherboard 100, and the NB-Iot communication module 30 is disposed on the second motherboard 200. Wherein, the first motherboard 100 and the second motherboard 200 communicate through a TTL interface. Optionally, the first motherboard 100 and the second motherboard 200 are both PCB boards.
In the embodiment of the invention, the NFC module 10 and the metering module 20 are arranged on the same PCB, so that the whole structure is not affected, and meanwhile, the NFC module 10 is directly arranged on the PCB, so that the reliability is high, the price is low, the whole cost can be further reduced, and meanwhile, the energy-saving and environment-friendly effects of the product can be achieved. Moreover, the NFC antenna 101 is directly disposed on the PCB board, and the whole structure is not affected. In addition, the NFC communication power consumption can be ignored, and when the NFC communication is carried out with the mobile phone, the power can be reversely supplied through the mobile phone.
The NB-Iot intelligent water meter performs data interaction with the monitoring terminal 300 through the NB-Iot communication module 30.
Optionally, the monitoring terminal 300 receives the data uploaded by the NB-Iot communication module 30; the data uploaded by the NB-Iot communication module 30 is stored and displayed. Further, the monitoring terminal 300 also analyzes and processes the data uploaded by the NB-Iot communication, and outputs a corresponding alarm signal when obtaining the abnormality alarm information or the water consumption abnormality information of the NB-Iot intelligent water meter.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative elements and steps are described above generally in terms of functionality in order to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. The software modules may be disposed in random access memory 103 (RAM), memory, read only memory 103 (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same according to the content of the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made with the scope of the claims should be covered by the claims.

Claims (12)

1. The power saving method of the NB-Iot intelligent water meter is applied to the NB-Iot intelligent water meter and is characterized in that the NB-Iot intelligent water meter comprises the following components: the NFC device comprises an NFC module, a metering module and an NB-Iot communication module, wherein the NFC module is communicated with an external terminal, the metering module is connected with the NFC module, and the NB-Iot communication module is connected with the metering module; the method comprises the following steps:
the NFC module detects whether a switching signal sent by an external terminal is received or not in real time; the types of the switching signals include: turning off the user enable signal and turning on the user enable signal; when the NB-Iot intelligent water meter is assembled and stored in a warehouse, the external terminal sends a closing user starting signal to the NB-Iot intelligent water meter; when the NB-Iot intelligent water meter is installed in the field in a factory, the external terminal sends an opening user starting signal to the NB-Iot intelligent water meter;
if yes, the NFC module sends the switch signal to the metering module;
The metering module receives the switch signal and controls the NB-Iot communication module to close the uploading data function or open the uploading data function according to the switch signal; the metering module receives the switch signal and controls the NB-Iot communication module to close the uploading data function or open the uploading data function according to the switch signal, and the metering module comprises the following steps: the metering module analyzes and processes the switching signals and determines the type of the switching signals according to analysis and processing results; the metering module controls the NB-Iot communication module to close the uploading data function or open the uploading data function according to the type of the switching signal;
If the type of the switch signal is a closing user enabling signal, the metering module controls the NB-Iot communication module to close the uploading data function or open the uploading data function according to the type of the switch signal, wherein the closing of the uploading data function comprises the following steps: the metering module controls the NB-Iot communication module to close an uploading data function according to the closing user enabling signal; if the type of the switch signal is an on-user enabling signal, the metering module controls the NB-Iot communication module to close the uploading data function or open the uploading data function according to the type of the switch signal, wherein the switching signal comprises the following steps of: and the metering module controls the NB-Iot communication module to open an uploading data function according to the opening user enabling signal.
2. The NB-Iot intelligent water meter power saving method of claim 1, further comprising:
after the NB-Iot communication module opens the data uploading function:
The metering module judges whether the specified uploading time is reached;
if yes, the metering module controls the NB-Iot communication module to switch from a sleep mode to a working mode;
And after the NB-Iot communication module is switched to the working mode, uploading data to be uploaded of the intelligent water meter.
3. The NB-Iot intelligent water meter power saving method of claim 1, further comprising:
Judging whether abnormal alarm information of the intelligent water meter is detected or not when the NB-Iot communication module is in a dormant mode;
If yes, the NB-Iot communication module is controlled to be switched from a sleep mode to a working mode, and the abnormal alarm information is uploaded in real time.
4. The NB-Iot intelligent water meter power saving method of claim 1, further comprising:
And the NB-Iot communication module uploads data to the monitoring terminal so that the monitoring terminal stores and/or displays the data uploaded by the NB-Iot communication module.
5. The NB-Iot intelligent water meter power saving method of claim 1, further comprising:
the NFC module receives a control instruction signal sent by the external terminal and sends the control instruction signal to the metering module;
And the metering module receives the control command signal sent by the NFC module, and performs parameter setting and/or valve control of the intelligent water meter according to the control command signal.
6. The NB-Iot intelligent water meter power saving method of claim 1, further comprising:
Detecting the water meter information of the intelligent water meter in real time through a water meter detection device;
The metering module monitors the intelligent water meter according to the water meter information of the intelligent water meter and judges whether the water consumption state of a user is abnormal according to the water meter information;
If yes, the metering module sends the water consumption abnormality information to the NB-Iot communication module;
And the NB-Iot communication module sends the water consumption abnormality information to a monitoring terminal.
7. An NB-Iot intelligent water meter, comprising: the NFC device comprises an NFC module, a metering module and an NB-Iot communication module, wherein the NFC module is communicated with an external terminal, the metering module is connected with the NFC module, and the NB-Iot communication module is connected with the metering module;
the NFC module detects whether a switching signal sent by an external terminal is received or not in real time; the types of the switching signals include: turning off the user enable signal and turning on the user enable signal; when the NB-Iot intelligent water meter is assembled and stored in a warehouse, the external terminal sends a closing user starting signal to the NB-Iot intelligent water meter; when the NB-Iot intelligent water meter is installed in the field in a factory, the external terminal sends an opening user starting signal to the NB-Iot intelligent water meter;
if yes, the NFC module sends the switch signal to the metering module;
The metering module is used for receiving a switching signal sent by the NFC module and controlling the NB-Iot communication module to close or open an uploading data function according to the switching signal; the metering module receives the switch signal and controls the NB-Iot communication module to close the uploading data function or open the uploading data function according to the switch signal, and the metering module comprises the following steps: the metering module analyzes and processes the switching signals and determines the type of the switching signals according to analysis and processing results; the metering module controls the NB-Iot communication module to close the uploading data function or open the uploading data function according to the type of the switching signal;
If the type of the switch signal is a closing user enabling signal, the metering module controls the NB-Iot communication module to close the uploading data function or open the uploading data function according to the type of the switch signal, wherein the closing of the uploading data function comprises the following steps: the metering module controls the NB-Iot communication module to close an uploading data function according to the closing user enabling signal; if the type of the switch signal is an on-user enabling signal, the metering module controls the NB-Iot communication module to close the uploading data function or open the uploading data function according to the type of the switch signal, wherein the switching signal comprises the following steps of: the metering module controls the NB-Iot communication module to open an uploading data function according to the opening user enabling signal;
The NB-Iot communication module is used for closing the uploading data function or opening the uploading data function according to the control of the metering module.
8. The NB-Iot intelligent water meter of claim 7, further comprising: a first motherboard and a second motherboard;
The metering module and the NFC module are arranged on the first main board, the NB-Iot communication module is arranged on the second main board, and the first main board and the second main board are communicated through a TTL interface.
9. The NB-Iot intelligent water meter of claim 7, wherein the metering module comprises: a water meter detection device and a first controller;
The water meter detection device is used for detecting the water meter information of the intelligent water meter in real time when the NB-Iot intelligent water meter works, and sending the water meter information to the first controller;
the first controller is used for controlling the NB-Iot communication module to close the uploading data function or open the uploading data function according to the switch signal, and monitoring the intelligent water meter according to the water meter information.
10. The NB-Iot intelligent water meter of claim 7, wherein the NFC module comprises: an NFC antenna and a memory;
the NFC antenna is used for sensing radio frequency signals of the external terminal and sending the switch signals to the metering module based on the radio frequency signals;
The memory is used for storing the water meter information.
11. The NB-Iot intelligent water meter of claim 7, wherein the NB-Iot communication module comprises: the second controller, the sub-communication module and the battery detection device;
The battery detection device is used for detecting battery information of the intelligent water meter in real time;
the sub-communication module is used for carrying out data interaction between the second controller and the monitoring terminal;
The second controller is used for controlling the sub-communication module to send and receive data and analyzing and processing the battery information.
12. An NB-Iot intelligent water meter power saving system, comprising: the NB-Iot intelligent water meter of any of claims 7-11, and a monitoring terminal in communication with the NB-Iot intelligent water meter.
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