CN108806227A - A kind of NB-IOT water meters and processing method - Google Patents
A kind of NB-IOT water meters and processing method Download PDFInfo
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- CN108806227A CN108806227A CN201811021961.5A CN201811021961A CN108806227A CN 108806227 A CN108806227 A CN 108806227A CN 201811021961 A CN201811021961 A CN 201811021961A CN 108806227 A CN108806227 A CN 108806227A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 165
- 238000003672 processing method Methods 0.000 title claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 230000001953 sensory effect Effects 0.000 claims abstract description 13
- 230000001413 cellular effect Effects 0.000 claims abstract description 5
- SOZVEOGRIFZGRO-UHFFFAOYSA-N [Li].ClS(Cl)=O Chemical compound [Li].ClS(Cl)=O SOZVEOGRIFZGRO-UHFFFAOYSA-N 0.000 claims description 14
- 229910001416 lithium ion Inorganic materials 0.000 claims description 10
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 25
- 230000006870 function Effects 0.000 description 19
- 238000010586 diagram Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 14
- 230000004913 activation Effects 0.000 description 7
- 241001269238 Data Species 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000002618 waking effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 208000032953 Device battery issue Diseases 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003012 network analysis Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
Abstract
A kind of NB-IOT water meters of offer of the embodiment of the present invention and processing method.The water meter includes：Main control unit and power supply unit；Main control unit includes microcontroller and measurement sensory module, close range wireless communication NFC module, is based on cellular narrowband Internet of Things NB-IOT modules；Measurement sensory module is for acquiring data of water meter and data of water meter being sent to MCU；NB-IOT modules are used to receive the data to be transmitted of MCU transmissions and data to be transmitted are carried out teletransmission；NFC module is used to send interrupt signal with external NFC terminal communication and to MCU to wake up the water meter.The embodiment of the present invention passes through the NFC module with interrupt output function, interrupt signal is being sent to wake up water meter to MCU with after external NFC terminal communication, it need not be with the button waken up, improve the water resistance of water meter, and by interrupt signal instead of key circuit so that false triggering probability is lower.
Description
Technical field
The present invention relates to water meter technical fields, in particular to a kind of NB-IOT water meters and processing method.
Background technology
In radio remote transmitting water meter field, often by water meter the powering mode of built-in lithium battery provide power supply for it.With
For 3.6V lithium battery power supplies, the power consumption of the transmission data of reaching the standard grade of a NB-IOT terminal is 1~2mAh, and power consumption is larger.
Therefore, one fixed background server is set in order to reduce unnecessary power consumption, when water meter dispatches from the factory in factory
Location, In-Plant Test pass through after by the mode setting of water meter be factory's internal schema, to force water meter NB patterns to be in off working state.
And activate the NB patterns of water meter by other communication modes again after manufacture, made with ensuring that manufacture is opened an account to user installation in factory
This period will not largely consume water meter electricity so that the battery in water meter reaches 6 years or more.
Active mode more commonly used at present is that external magnet activates or infrared communication sends order debugging activation.Using magnetic
The mode of activation, user can be delivered in use, using magnet by the way of water meter activation NB communications by being finished in water pump composite.
But since the mode of magnet activation is not especially strong to management and control, easy to produce the maloperation during production and transport.Using
The mode of infrared communication is needed to be provided with transparent window on water meter product and is communicated for infrared communication, for product
Water resistance design is also a kind of challenge.
Invention content
In view of this, the embodiment of the present invention is designed to provide a kind of NB-IOT water meters and processing method, in solution
State technical problem.
In a first aspect, an embodiment of the present invention provides a kind of NB-IOT water meters to include：The main control unit of connection and power supply are single
Member；Said supply unit provides electric energy for the main control unit；
The main control unit includes：Microcontroller and measurement sensory module, the low coverage being connect respectively with the MCU
From wireless telecommunications NFC module, it is based on cellular narrowband Internet of Things NB-IOT modules；
The data of water meter is sent to the MCU by the measurement sensory module for acquiring data of water meter；
The NB-IOT modules are used to receive the data to be transmitted that the MCU is sent, and the data to be transmitted is carried out
Teletransmission；
The NFC module is used to communicate with external NFC terminal, and sends interrupt signal to the MCU, described in wake-up
NB-IOT water meters.
Further, the NFC module includes NFC label transmission and memory module and NFC antenna；
The NFC antenna is used to incude the radiofrequency signal of the NFC terminal, and transmits and store mould for the NFC label
Block provides power supply；
The NFC label transmission and memory module are communicated by RF channel with the NFC terminal, and logical by I2C or SPI
Road is communicated with the MCU.
Further, the NFC module is additionally operable to receive and store the data of water meter that the MCU is sent, stores scene ginseng
Number and control command.
Further, the NFC antenna is 4.7uH inductance.
Further, the NB-IOT modules include：NB-IOT wireless communication modules and patch type SIM card, the patch
Formula SIM card is welded on master control PCB, is connect with the MCU.
Further, said supply unit includes lithium thionyl chloride cell and lithium-ion capacitor；
If the electric current needed for the main control unit is less than predetermined threshold value, electricity is provided by the lithium thionyl chloride cell
Energy；
If the electric current needed for the main control unit is more than or equal to the predetermined threshold value, carried by the lithium-ion capacitor
For electric energy.
Further, said supply unit further includes：Battery capacity detection module, the battery capacity detection module are used for
When detecting that the electricity of the lithium thionyl chloride cell is less than alarming value, then alarm is sent out.
Further, the measurement sensory module is sampled by the sampling of stem-winder tongue tube, the sampling of Hall magnetic or ultrasonic wave
Mode acquire the data of water meter.
Further, the water meter further includes the valve drive control module being connect with the MCU, the valve driving control
Molding block receives the control instruction that the MCU is sent and carries out state control to valve.
Second aspect, the embodiment of the present invention provide a kind of processing method based on NB-IOT water meters, including：
The water meter information of pending NB-IOT water meters is sent to terminal, the water meter information includes that location information and water meter are compiled
Number；
The data of water meter that the terminal is sent is received, and corresponding processing is carried out according to the data of water meter；The water meter
Data include water meter number and water meter number of words and/or operating status；Wherein, the data of water meter is by NFC device from institute
It states and obtains in pending NB-IOT water meters.
The embodiment of the present invention is by the NFC module with interrupt output function, after being communicated with external NFC terminal, to
MCU sends interrupt signal, to wake up water meter, without with the button for waking up, improves the waterproof of NB-IOT water meters
Performance keeps false triggering probability lower in addition, replacing key circuit by interrupt signal.
Other features and advantages of the present invention will be illustrated in subsequent specification, also, partly be become from specification
It is clear that by implementing understanding of the embodiment of the present invention.The purpose of the present invention and other advantages can be by saying what is write
Specifically noted structure is realized and is obtained in bright book, claims and attached drawing.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of NB-IOT water meters internal structure schematic diagram provided in an embodiment of the present invention；
Fig. 2 is another kind NB-IOT water meter internal structure schematic diagrams provided in an embodiment of the present invention；
Fig. 3 is NFC TAG chip circuit schematic diagrams provided in an embodiment of the present invention；
Fig. 4 is that the areas BUFFER provided in an embodiment of the present invention and EEPROM distinguish area's schematic diagram；
Fig. 5 is NFC order datas transfer process schematic diagram provided in an embodiment of the present invention；
Fig. 6 is a kind of process flow schematic diagram based on NB-IOT water meters provided in an embodiment of the present invention.
It illustrates：
10- main control units；20- power supply units；101- microcontrollers；102- measurement sensory modules；103-NFC modules；
104-NB-IOT modules；105- valve drive control modules；1031-NFC labels transmit and memory module；1032-NFC antennas；
1041-NB-IOT wireless communication modules；1042- patch type SIM cards；201- lithium thionyl chloride cells；202- lithium-ion capacitors；
203- battery capacity detection modules.
Specific implementation mode
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
The every other embodiment obtained under the premise of going out creative work, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.Meanwhile the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
Fig. 1 is a kind of NB-IOT water meters internal structure schematic diagram provided in an embodiment of the present invention, as shown in Figure 1, the water meter
Including：Main control unit 10 and power supply unit 20；Said supply unit 20 is that the main control unit 10 provides electric energy；It should illustrate
It is that power supply unit 20 can be connect with main control unit 10 by electric wire.
The main control unit 10 includes：Microcontroller 101 and the measurement sensory being connect respectively with the MCU 101
Module 102, is based on cellular narrowband Internet of Things NB-IOT modules 104 at close range wireless communication NFC module 103；Wherein, MCU
101 can be 51 microcontrollers, can also be other microcontrollers.
The data of water meter is sent to the MCU by the measurement sensory module 102 for acquiring data of water meter
101；It should be noted that measurement sensory module 102 is connect with the I/O of MCU 101 mouths, the data of water meter of acquisition is sent to
MCU 101, and measurement sensory module 102 can require using the sampling of stem-winder tongue tube according to water meter measurement, the sampling of Hall magnetic, surpass
The method of samplings such as wave sample.
The NB-IOT modules 104 are used to receive the data to be transmitted of the transmissions of the MCU 101, and by the number to be transmitted
According to progress teletransmission；It should be noted that data to be transmitted can be data of water meter, NB-IOT modules 104 can be by data of water meter
It is sent to Cloud Server.
The NFC module 103 is used to communicate with external NFC terminal, and sends interrupt signal to the MCU 101, with
Wake up the NB-IOT water meters.It should be noted that NFC technique is a kind of near field communication technology, it is carried out by near field antenna
The transmission of data and energy.NFC module 103 with the terminal for having NFC near field communication function by being communicated.When there is NFC whole
When end is close to NFC module 103, NFC module 103 sends interrupt signal to MCU 101, to wake up NB-IOT water meters.
It should be noted that NB-IOT water meters enter suspend mode operating mode after detecting qualification in factory, NB- is no longer opened
IOT modular power sources, after in-site installation success, by sending instructions under the channels NFC, activation NB-IOT enters normal mode of operation
Afterwards, NB-IOT power supplys are opened according to the site setup set time, with background system by NB-IOT modules into row data communication.Its
In, the activation of NB-IOT water meters uses NFC channel control command modes.When NB-IOT background servers address, initial timing communication
Between the site setup parameters of the related NB-IOT communications such as section can be configured by the channels NFC scene.
The embodiment of the present invention is by the NFC module with interrupt output function, after being communicated with external NFC terminal, to
MCU sends interrupt signal, to wake up water meter, without with the button for waking up NB-IOT water meters, improves the water proofing property of water meter
Can, in addition, replacing key circuit by interrupt signal, keep false triggering probability lower.
On the basis of the above embodiments, Fig. 2 is another NB-IOT water meter structures schematic diagram provided in an embodiment of the present invention,
As shown in Fig. 2, the NFC module 103 includes NFC label transmission and memory module 1031 and NFC antenna 1032；
The NFC antenna 1032 is used to incude the radiofrequency signal of the NFC terminal, and transmits and deposit for the NFC label
It stores up module 1031 and power supply is provided；
NFC label transmission and memory module 1031 are communicated by RF channel with the NFC terminal, and by I2C or
The channels SPI are communicated with the MCU101.
In specific implementation process, NFC module 103 can be NFC TAG chips, and Fig. 3 provides for the embodiment of the present invention
NFC TAG chip circuit schematic diagrams, as described in Figure 3, NFC module 103 include NFC label transmit and 1031 He of memory module
NFC antenna 1032.Wherein, NFC antenna 1032 can be the inductance of 4.7uH, and the I/O mouths of NFC_POWER pins and MCU connect,
The interruption foot of NFC_INT and microcontroller connects, and NFC_SCL and NFC_SDA are connect with microcontroller bus.NFC TAG chips exist
By being powered by NFC antenna when NFC channel communications, water meter power consumption when reducing communication.
As shown in figure 3, NFC TAG chips have the half-duplex of RF communication disruption signal output function and quick transmission mode
BUFFER functions.NFC TAG circuit powers do not provide power supply usually using the I/O confession electricity of MCU.When outside carries NFC function
Terminal and when NFC TAG chip communications, give NFC chip to power by NFC antenna (i.e. rL1 inductance).The interruption of NFC chip is defeated
Go out foot NFC_INT and be configured to detect to export interrupt signal when the RF channel of NFC electromagnetic fields or NFC TAG write data, notifies MCU
The data in NFC TAG are read by the channels I2C or SPI, at this moment MCU just provides power to NFC chip, effectively reduces NB-IOT
Water meter Overall Power Consumption.Further, the interrupt signal of NFC chip replaces key circuit so that false triggering probability is lower and whole
Machine power consumption is also lower.
In addition, NFC module also is used for receiving and storing the data of water meter of MCU transmissions, and existing parameter is stored in NFC
And control command.NFC TAG chip interiors have the areas BUFFER and the areas EEPROM two major parts.Wherein the areas BUFFER data have quick
The characteristics of read-write, power down does not preserve.And the characteristics of there are EEPROM data to read to write slowly soon, and power failure data is not lost.According to NFC cores
Piece internal structure feature, can by NFC TAG chips the areas BUFFER and the areas EEPROM carry out multidomain treat-ment, Fig. 4 be this hair
Area's schematic diagram is distinguished in the areas BUFFER and EEPROM that bright embodiment provides, as shown in figure 4, can rapid data transmission the areas BUFFER
It is additionally operable to the order data in the channels storage RF and I2C.When being operated in semiduplex mode, generally sent out by RF channel by NFC mobile phone
Play order, after MCU reads data by the channels I2C, commands in return be written to the areas BUFFER same position, for water meter and
Express command transmits between NFC mobile phone.This order does not need NFC chip preservation.
The embodiment of the present invention uses the NFC TAG chip transmission of data with quick transmission mode, and data transmission passes through fast
The half-duplex BUFFER transmission of fast transmission mode, improves communication speed and communication reliability, and at NFC TAG chip subregions
Reason, efficiently uses NFC internal resources, and ensure that NB communications parameter datas are not easy to lose.
In addition in one piece of RF parameter settings area of the EEPROM region divisions of NFC TAG chips, being set as can only be by NFC hand
Data are written in the RF interfaces of machine, and the MCU of NB-IOT water meters can only read arrange parameter by I2C interface.This partial parameters ensures
The key communications parameter of NFC mobile phone setting will not be lost because the program of water meter malfunctions.
Meanwhile going out individual one piece of data of water meter memory block in the EEPROM region divisions of NFC chip, it is set as to lead to
The I2C interface write-in data of water meter are crossed, and NFC mobile phone can only read data by RF channel.By being drawn to the regions EEPROM
Dividing has following two advantages：1, by the other parameters and configuration data of partitioned storage metering and water meter, NFC TAG cores are improved
The utilization rate in the spaces EEPROM of piece.2, in water meter battery failure, motherboard circuit failure, as long as NFC TAG chips do not damage
And the peripheries NFC inductance is normal, the pass that can be run water meter by RF channel in the case where not opening water meter by NFC mobile phone
Key continuous data, alert data and alarm logging are read out, to improve reliability of the water meter in data transmission.
On the basis of the above embodiments, the NB-IOT modules 104 include：NB-IOT wireless communication modules 1041 and patch
Chip SIM card 1042, the patch type SIM card 1042 is welded on master control pcb board, and is connect with the MCU 101.It will patch
Chip SIM card 1042 and MCU 101 welds the reliability that can improve product.NB-IOT modules 104 are operated in PSM Working moulds
Formula periodically connects with cellular network base stations once communicated under normal circumstances.Also NB- can be activated by NFC near field communication channel
IOT is communicated.
The embodiment of the present invention carries out data communication using NB-IOT technologies, belongs to a kind of radio remote transmitting water meter product, can be with
Water meter operation data is periodically reported into system background, is handled for network analysis.
Further, the NFC TAG chips that product uses is the chips of support ISO15693 standard agreements.ISO15693 is
For an international standard of applying in radio frequency identification, the standards define work intelligent label and readers at 13.56 mhz
Air interface and data communication specification.The label for meeting this standard farthest distinguishes distance and reaches 2 meters.For NB-IOT water meter products
Application, can be communicated close to watermeter shell as long as the communication distance in the near fields RF can reach so that using patch electricity
Sense is possibly realized to design NFC antenna.
The all built-in matching capacitance of 28.5pF of general double interface NFC TAG chips, according to ISO15693 standard agreements,
The working frequency of radio channel is at 13.56 mhz.According to the relationship of frequency and inductance capacitance, following formula can be obtained：
Show that antennainductance calculation formula is as follows：
According to fresonance=13.56MHz, Ctuning_ic=28.5pF, it is 4.92uH that can calculate matching inductance sensibility reciprocal.
Coil inductance can be substituted as NFC antenna without the 4.7uH inductance of shielded layer using patch.Wherein NFC communication
Distance and the diameter of inductance be substantially proportional to.Using a diameter of 7.8mm, inductance value, which is the unmasked inductance of 4.7uH, to be reached
It is more than the requirement of 6mm to NFC communication distance.
On the basis of the above embodiments, said supply unit 20 includes lithium thionyl chloride cell 201 and lithium-ion capacitance
Device 202；
If the electric current needed for the main control unit 10 is less than predetermined threshold value, carried by the lithium thionyl chloride cell 201
For electric energy；
If the electric current needed for the main control unit 10 is more than or equal to the predetermined threshold value, pass through the lithium-ion capacitor
202 provide electric energy.
In specific implementation process, since the 201 peak point current power supply capacity of lithium thionyl chloride cell of energy type is weaker,
And NB-IOT modules 104 need larger peak point current in data transmission procedure.If straight using lithium thionyl chloride cell 201
The mode of power supply is connect, once there is battery passivation phenomenon, lithium thionyl chloride cell internal resistance will dramatically increase, and be supplied when needing high current
When electric, lithium thionyl chloride cell output voltage is relatively low.Therefore the power supply unit 20 of NB-IOT water meters is configured with a large capacity
Lithium-ion capacitor 202, when needing high current to power, supply current is provided from lithium-ion capacitor 202, can effectively be carried
201 utilization rate of high lithium thionyl chloride cell.Usually, the capacity of this lithium-ion capacitor 202 is between 20F~40F.
On the basis of the above embodiments, said supply unit 20 further includes：Battery capacity detection module 203, the electricity
Pond electric power detection module 203 is used to when detecting that the electricity of the lithium thionyl chloride cell 201 is less than alarming value, then send out report
Alert prompt informs user's charging in time or replaces battery to play a warning role.
On the basis of the above embodiments, the NB-IOT water meters further include the valve driving being connect with the MCU 101
Control module 105, the valve drive control module 105 receive the control instruction of the transmissions of the MCU 101 and are carried out to valve
State controls.
In specific implementation process, what is connect with MCU 101 can also have valve drive control module 105, pass through valve
The control of long-range and live switch valve may be implemented in door drive control module 105.
Fig. 5 is NFC order datas transfer process schematic diagram provided in an embodiment of the present invention, as shown in figure 5, being specially：
Step 501：Receive NFC interrupt signals；It is close by NFC when external data needs to be transferred to NB-IOT water meters
The RF channel of field communication transfers data in the BUFFER of quick transmission mode of NFC TAG, and control is interrupted in NFC TAG outputs
Signal is to MCU, at this point, MCU receives NFC interrupt signals；
Step 502：Read NFC chip BUFFER data；After MCU receives NFC interrupt signals, number is read from BUFFER
According to；
Step 503：Whether it is a complete order frame；MCU judges whether to receive a complete command frame, if not
It is to then follow the steps 504, it is no to then follow the steps 505；
Step 504：Whether data time-out is received；MCU judges whether the terminal signaling received is overtime, is tied if time-out
Beam NFC process flows, it is no to then follow the steps 502；
Step 505：Command process flow；MCU handles the data in BUFFER, orders passback after having handled
It is written in BUFFER, after outside reads the order returned in BUFFER by radio channel, confirms whether order executes into
Work(.
The key that the embodiment of the present invention is run water meter by RF channel in the case where not opening water meter by NFC mobile phone
Continuous data, alert data and alarm logging are read out, using the NFC TAG chips with interrupt output function, NB-IOT
Button need not be carried on water meter, after the completion of RF channel communication, NFC TAG chips export interrupt signal notice MCU and control NB-IOT
Module initiates telecommunication.
The order reported immediately that NB-IOT water meters can also be sent by receiving mobile phone by the channels NFC starts one
Secondary and background system connecting communication.Push button exciting or the primary communication of magnet activation of original scheme are replaced with the mode of NFC orders
Mode, it is more convenient, it is also relatively reliable.
The pattern of communication may be used NB-IOT water meters and actively initiate the pattern reported, when NB-IOT water meters will need to upload
Data active reporting complete after, then keep the channels NB connection a period of time, copy it to receive the benefit that background server issues
His data or control command.It is common, to reduce NB-IOT water meter product Overall Power Consumptions, it is contemplated that NB network delays have reported
It is set as between 20 seconds to 1 minute at the rear stand-by period.
Fig. 6 is a kind of process flow schematic diagram based on NB-IOT water meters provided in an embodiment of the present invention, such as Fig. 6 institutes
Show, this method includes：
Step 601：The water meter information of pending NB-IOT water meters is sent to terminal, the water meter information includes location information
It is numbered with water meter.
In specific implementation process, due to the complexity of NB-IOT water meter network performances, it is possible to certain NB- occur
The case where IOT water meters can not be uploaded onto the server NB-IOT water meter real-time running datas by the channels NB-IOT.Due to having
The characteristics of NB-IOT and NFC binary channels communicates can be by the channels NFC by NB-IOT water when teletransmission communication channel operation irregularity
The recent operation data of table is read out.It, can be with when remote server needs to obtain the data of water meter of pending NB-IOT water meters
The water meter information of pending NB-IOT water meters is sent to terminal, wherein water meter information includes location information, and location information is used for
Pending the location of the NB-IOT water meters of the corresponding user of NFC terminal are informed, to make user learn and the pending NB-
The distance of IOT water meters, it should be noted that can also have water meter number in water meter information, some cells may will be in a building
The water meter of all resident families is put together, therefore, so that user is found the pending NB-IOT water by water meter number
Table.It should be noted that the terminal can be the terminal for having NFC function, can also be the terminal without NFC function, but
It is that obtain the terminal of pending NB-IOT water meters must be the terminal for having NFC function.
Step 602：The data of water meter that the terminal is sent is received, and corresponding processing is carried out according to the data of water meter；
The data of water meter includes any one of water meter number, water meter number of words and operating status or combinations thereof；Wherein, the water meter number
It is obtained from the pending NB-IOT water meters according to the positional information according to by NFC device.
In specific implementation process, after user sees the message of server publication in terminal, it can be received and be appointed with competition for orders
Business, finds pending NB-IOT water meters, then by the terminal with NFC function close to pending NB-IOT according to location information
Water meter realizes the communication of terminal and pending NB-IOT water meters, to which terminal gets the water meter number of pending NB-IOT water meters
According to, and data of water meter is sent to server, after server receives data of water meter, pending NB-IOT water meters are corresponded to
Processing, judge whether to need to send special messenger scene to safeguard water meter.It should be noted that data of water meter may include user
Account information, any one or combinations thereof in water meter number of words and operating status.
It is obtained it is understood that user completes data of water meter, and successfully after upload data, the system of appointing national minority hereditary headmen in the Yuan, Ming and Qing Dynasties is sent out by public platform
Put reward.This mode can efficiently use the personnel such as residential property, resident, complete the technology dimension of field failure water meter
Shield and meter reading work, effectively reduce the quantity of system of appointing national minority hereditary headmen in the Yuan, Ming and Qing Dynasties maintenance personnel, reduce system of appointing national minority hereditary headmen in the Yuan, Ming and Qing Dynasties's maintenance cost.
The information sharing and maintenance of NB-IOT water meters may be implemented in the NB-IOT water meters provided by the various embodiments described above, by
In the complexity for the water meter network performance for having NB-IOT modules, it is possible to which certain water meters occur can not be incited somebody to action by the channels NB-IOT
The case where NB-IOT water meter real-time running datas are uploaded onto the server.It, can be logical by NFC when teletransmission communication channel operation irregularity
Road reads out the recent operation data of NB-IOT water meters.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, the flow chart in attached drawing and block diagram
Show the device of multiple embodiments according to the present invention, the architectural framework in the cards of method and computer program product,
Function and operation.In this regard, each box in flowchart or block diagram can represent the one of a module, section or code
Part, a part for the module, section or code, which includes that one or more is for implementing the specified logical function, to be held
Row instruction.It should also be noted that at some as in the realization method replaced, the function of being marked in box can also be to be different from
The sequence marked in attached drawing occurs.For example, two continuous boxes can essentially be basically executed in parallel, they are sometimes
It can execute in the opposite order, this is depended on the functions involved.It is also noted that every in block diagram and or flow chart
The combination of box in a box and block diagram and or flow chart can use function or the dedicated base of action as defined in executing
It realizes, or can be realized using a combination of dedicated hardware and computer instructions in the system of hardware.
In addition, each function module in each embodiment of the present invention can integrate to form an independent portion
Point, can also be modules individualism, can also two or more modules be integrated to form an independent part.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic disc or CD.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should be noted that：Similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and is explained.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Claims (10)
1. a kind of NB-IOT water meters, which is characterized in that including：The main control unit and power supply unit of connection；Said supply unit is
The main control unit provides electric energy；
The main control unit includes：Microcontroller and the measurement sensory module being connect respectively with the MCU, closely without
Line communicates NFC module, is based on cellular narrowband Internet of Things NB-IOT modules；
The data of water meter is sent to the MCU by the measurement sensory module for acquiring data of water meter；
The NB-IOT modules are used to receive the data to be transmitted that the MCU is sent, and the data to be transmitted is carried out teletransmission；
The NFC module is used to communicate with external NFC terminal, and sends interrupt signal to the MCU, to wake up the NB-
IOT water meters.
2. NB-IOT water meters according to claim 1, which is characterized in that the NFC module includes NFC label transmission and deposits
Store up module and NFC antenna；
The NFC antenna is used to incude the radiofrequency signal of the NFC terminal, and is carried for NFC label transmission and memory module
Power supply source；
NFC label transmission and memory module are communicated by RF channel with the NFC terminal, and by the channels I2C or SPI and
The MCU communications.
3. NB-IOT water meters according to claim 1, which is characterized in that the NFC module is additionally operable to receive and store institute
The data of water meter of MCU transmissions is stated, on-site parameters and control command are stored.
4. NB-IOT water meters according to claim 2, which is characterized in that the NFC antenna is 4.7uH inductance.
5. NB-IOT water meters according to claim 1, which is characterized in that the NB-IOT modules include：NB-IOT is wireless
Communication module and patch type SIM card, the patch type SIM card are welded on master control PCB, are connect with the MCU.
6. NB-IOT water meters according to claim 1, which is characterized in that said supply unit includes lithium thionyl chloride cell
And lithium-ion capacitor；
If the electric current needed for the main control unit is less than predetermined threshold value, electric energy is provided by the lithium thionyl chloride cell；
If the electric current needed for the main control unit is more than or equal to the predetermined threshold value, electricity is provided by the lithium-ion capacitor
Energy.
7. NB-IOT water meters according to claim 6, which is characterized in that said supply unit further includes：Battery capacity is examined
Module is surveyed, the battery capacity detection module is used for when detecting that the electricity of the lithium thionyl chloride cell is less than alarming value,
Then send out alarm.
8. NB-IOT water meters according to claim 1, which is characterized in that the measurement sensory module passes through mechanical surface drying spring
The mode of pipe sampling, the sampling of Hall magnetic or ultrasonic wave sampling acquires the data of water meter.
9. NB-IOT water meters according to claim 1, which is characterized in that the water meter further includes being connect with the MCU
Valve drive control module, the valve drive control module receive the control instruction that the MCU is sent and carry out shape to valve
State controls.
10. a kind of processing method based on NB-IOT water meters, which is characterized in that including：
The water meter information of pending NB-IOT water meters is sent to terminal, the water meter information includes location information；
The data of water meter that the terminal is sent is received, and corresponding processing is carried out according to the data of water meter；The data of water meter
Including any one of water meter number, water meter number of words and operating status or combinations thereof；Wherein, the data of water meter is to pass through NFC
What equipment was obtained from the pending NB-IOT water meters according to the positional information.
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| CN201811021961.5A CN108806227A (en) | 2018-09-03 | 2018-09-03 | A kind of NB-IOT water meters and processing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811021961.5A CN108806227A (en) | 2018-09-03 | 2018-09-03 | A kind of NB-IOT water meters and processing method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811021961.5A Pending CN108806227A (en) | 2018-09-03 | 2018-09-03 | A kind of NB-IOT water meters and processing method |
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| CN109341800A (en) * | 2018-11-22 | 2019-02-15 | 安徽翼迈科技股份有限公司 | A kind of NB-IOT intelligent water meter system |
| CN110207776A (en) * | 2019-06-28 | 2019-09-06 | 京源中科科技股份有限公司 | Water meter, its data uploading method and equipment based on NB-IoT |
| CN110278602A (en) * | 2019-06-06 | 2019-09-24 | 宁波麦度智联科技股份有限公司 | A kind of low-power consumption can external MUC NBIOT application method |
| CN111385773A (en) * | 2020-03-24 | 2020-07-07 | 武汉科技大学 | Intelligence water gauge control circuit based on NB-IOT |
| CN111736495A (en) * | 2020-02-25 | 2020-10-02 | 济南沛华信息科技有限公司 | Intelligent instrument control method and device |
| CN112373411A (en) * | 2020-11-02 | 2021-02-19 | 云南雄鑫汽车有限公司 | Emergency rescue device and method for passenger car |
| CN113395610A (en) * | 2021-08-18 | 2021-09-14 | 江苏德高物联技术有限公司 | Electromagnetic water meter data supplementary reading method and system |
| CN113709594A (en) * | 2021-07-27 | 2021-11-26 | 深圳市敏泰智能科技有限公司 | NB-Iot intelligent water meter power saving method and system and NB-Iot intelligent water meter |
| CN113870486A (en) * | 2021-08-27 | 2021-12-31 | 深圳市敏泰智能科技有限公司 | Intelligent water meter near-field management system and management method |
| CN114545802A (en) * | 2020-11-18 | 2022-05-27 | 江苏爱可青交通科技有限公司 | Intelligent inclination angle detection control circuit based on NB-IoT |
| CN115514394A (en) * | 2021-06-07 | 2022-12-23 | 杭州九阳小家电有限公司 | But near field communication's intelligent household electrical appliances and communication system based on NFC |
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| CN115514394A (en) * | 2021-06-07 | 2022-12-23 | 杭州九阳小家电有限公司 | But near field communication's intelligent household electrical appliances and communication system based on NFC |
| CN113709594A (en) * | 2021-07-27 | 2021-11-26 | 深圳市敏泰智能科技有限公司 | NB-Iot intelligent water meter power saving method and system and NB-Iot intelligent water meter |
| CN113395610A (en) * | 2021-08-18 | 2021-09-14 | 江苏德高物联技术有限公司 | Electromagnetic water meter data supplementary reading method and system |
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| CN113870486A (en) * | 2021-08-27 | 2021-12-31 | 深圳市敏泰智能科技有限公司 | Intelligent water meter near-field management system and management method |
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