CN107390569A - A kind of Internet of Things gas meter, flow meter communication system and method based on the NB IoT communication technologys - Google Patents
A kind of Internet of Things gas meter, flow meter communication system and method based on the NB IoT communication technologys Download PDFInfo
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- CN107390569A CN107390569A CN201710444169.XA CN201710444169A CN107390569A CN 107390569 A CN107390569 A CN 107390569A CN 201710444169 A CN201710444169 A CN 201710444169A CN 107390569 A CN107390569 A CN 107390569A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
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Abstract
The invention discloses a kind of Internet of Things gas meter, flow meter communication system and method based on the NB IoT communication technologys, including main control module, memory module, infrared communication module, alarm module, power detecting module, display module, metering module, valve control module, real-time clock module, key-press module and NB loT modules, main control module connects remaining module simultaneously.The present invention realizes that wireless network data transmits using NB IoT modules, possesses extranet access ability, realize the remote monitoring to data such as gas meter, flow meter metering, valve, table status, reach remote meter reading, ladder gas price is adjusted in real time, long-range Valve controlling, big data are collected and the purpose of analysis, it is no longer necessary to meter reading of manually visiting.
Description
Technical field
The present invention relates to gas meter, flow meter technical field, refers in particular to a kind of Internet of Things gas meter, flow meter based on the NB-IoT communication technologys
Communication system and method.
Background technology
With scientific and technological progress, gasification engineering develops rapidly, and the metering of combustion gas is at present mainly with gas meter, flow meter（Industrial flow
Meter）To carry out, the Internet of Things gas meter, flow meter based on GPRS is emerging product therein.Connected after the gathered data of table end by GPRS module
Internet and back-end server is connect to communicate to connect, realize long-range Valve controlling, monitored with gaseity, ladder gas price adjusts in real time,
The functions such as remote recharge, data analysis and abnormal alarm.But because GPRS technology power consumptions are larger, network of typical scene covers
Lid scarce capacity and can not the factor such as long-term existence so that its development has certain limitation.
The content of the invention
The purpose of the present invention is to overcome in the prior art that the Internet of Things gas meter, flow meter technology power consumption based on GPRS is larger, typical field
The network coverage scarce capacity of scape and can not long-term existence the shortcomings that, there is provided it is a kind of based on the NB-IoT communication technologys Internet of Things combustion
Gas meter communication system and method.
The purpose of the present invention is achieved by following technical proposals：
A kind of Internet of Things gas meter, flow meter communication system based on the NB-IoT communication technologys, including：
Memory module, be connected with main control module, for store gas meter, flow meter end operational factor, with gas record and logout；
Power detecting module, is connected with main control module, for monitoring current power supply state in real time；
Metering module, it is connected with main control module, for metering signal to be changed into data signal, when often metering is accumulated to certain value
Triggering once storage operation；
Valve control module, it is connected with main control module, control valve opens and closes；
Real-time clock module, it is connected with main control module, for ensureing time accuracy；
NB-IoT modules, are connected with main control module, for realizing the interaction at gas meter, flow meter end and remote server；
Main control module, for receiving infrared communication module, power detecting module, metering module, real-time clock module and NB-IoT
The information and send control information to memory module, infrared communication module, power detecting module, Valve controlling mould that module is sent
Block, real-time clock module and NB-IoT modules.
As a kind of preferred scheme, communication system also includes alarm module, is connected with main control module, for external combustion gas report
Alert device, monitor whether combustion gas leaks in real time, then will leak out information if any leakage is uploaded to remote server.
As a kind of preferred scheme, communication system also includes display module, is connected with main control module, display remaining sum,
The parameter such as unit price, accumulative gas consumption, time, abnormal information in prompt table.
As a kind of preferred scheme, communication system also includes key-press module, is connected with main control module, for inquiring about gas meter, flow meter
Data in table, control information is sent to valve control module by main control module.
As a kind of preferred scheme, communication system also includes infrared communication module, is connected with main control module, for artificial
Set and read the parameter and record at table end.
As a kind of preferred scheme, by being wirelessly connected with base station communication, base station connects NB-IoT modules with core network communications
Connect, core net and platform of internet of things communication connection, platform of internet of things communicate to connect with third-party application.
As a kind of preferred scheme, NB-IoT modules include NB-IoT module bodies, serial ports, energy supply control module, SIM card
And antenna, NB-IoT module bodies are electrically connected by serial ports with main control module, NB-IoT module bodies be provided with SIM card neck with
SIM card is electrically connected, and NB-IoT module bodies are connected by the antenna for amplified signal with base station communication, NB-IoT module bodies
Electrically connected with energy supply control module.
A kind of Internet of Things gas meter, flow meter communication means based on the NB-IoT communication technologys, based on one kind based on NB-IoT communication skills
The Internet of Things gas meter, flow meter communication system of art, comprises the following steps：
Step 1, system starts NB-IoT communications, and energy supply control module opens NB-IoT modular power sources, and main control module passes through serial ports
Send configuration order to NB-IoT modules, NB-IoT modules starts communication, and networking operation is carried out with core net；
Step 2, after NB-IoT modules are networked successfully, system sends registered frame to remote server by NB-IoT modules, remotely
Server replys acknowledgement frame after receiving registered frame；
Step 3, after system receives acknowledgement frame, NB-IoT modules send daily upload frame, and remote server receives daily upload frame
After determine whether to instruct needs to issue, if then issuing command frame, the operation of parameter setting or reading is carried out to system, is
System makes response after receiving, and when remote server judges not having instruction to need to issue, issues end frame, terminates this communication.
As a kind of preferred scheme, step 1 is specifically divided into following sub-step：
Electric in sub-step a, NB-IoT module, main control module configures cdp information, frequency locking parameter and frequency range to NB-IoT modules joins
Number, while read IMEI number；
Sub-step b, core net read the IMSI number of NB-IoT modules, while set APN, configuration to search net national code number and network
Code, is registered to NB-IoT modules；
Sub-step c, NB-IoT module polls login state, if succeeding in registration, reads semaphore, if registration is unsuccessful, after
Continuous inquiry login state is untill succeeding in registration.
As a kind of preferred scheme, the idiographic flow that system sends data is：
System judges whether NB-IoT modules are networked success, if networking successfully, data to be sent are sent to by system by serial ports
NB-IoT modules, NB-IoT modules retransmit data to remote server, when system is sent to NB-IoT module polls to data
After success, terminate this transmission flow, start and receive flow；If networking is unsuccessful, terminate transmission flow, start the stream that networks
Journey；
System receive data idiographic flow be：
System judges whether NB-IoT modules network success, if networking successfully, obtains the number of NB-IoT module count pick up devices
Value, judgement receive data, then reading remote server is sent data cached to NB-IoT modules, if not receiving data,
Then continue to obtain count pick up device numerical value.
As a kind of preferred scheme, the mode that described system starts NB-IoT communications is touched using real-time clock module
Hair, alarm module triggering or key-press module triggering, make control module open the work of NB-IoT communication modules.
The invention has the advantages that
1st, the present invention realizes that wireless network data transmits using NB-IoT modules, possesses extranet access ability, realizes to gas meter, flow meter
The remote monitoring of the data such as metering, valve, table status, reach remote meter reading, ladder gas price adjusts in real time, long-range Valve controlling,
Big data is collected and the purpose of analysis, it is no longer necessary to meter reading of manually visiting.
2nd, compared to the gas meter, flow meter based on GPRS mechanicss of communication, the gas meter, flow meter based on NB-IoT mechanicss of communication has lower work(
Consume model.Therefore, the use of lithium battery is that 10 years schemes even more for many years of gas meter, flow meter power supply have more feasibility.
3rd, the covering of NB-IoT technologies is wide, will improve in-door covering, under same frequency range, NB-IoT increases than existing network
Beneficial 20dB, area coverage expand 100 times.
4th, NB-IoT possesses the ability of support magnanimity connection, and mono- sector of NB-IoT can support 100,000 connections, support
Low latency sensitivity, ultralow equipment cost, low equipment power dissipation and the network architecture of optimization；
5th, there is logout risk relative to GPRS technologies, unclear prospect, NB-IoT technologies are as emerging technology, before development
Scape.
6th, can external fuel gas alarm, monitor gas leakage situation in real time, table end can actively close valve and to server
Alarm, effectively prevents gas leakage.
When the 7th, using NB-IoT teledatas, using des encryption, CRC check and CS are verified, and the secret of data is effectively ensured
Property and validity.
When the 8th, starting NB-IoT communications, using the mechanism of avoiding the peak hour, gas meter, flow meter is divided into 100 period active uploads, effectively
Slow down server stress.
Brief description of the drawings
Fig. 1 is a kind of schematic block circuit diagram of the present invention；
Fig. 2 is that the NB-IoT modules of the present invention are connected into the theory diagram of network；
Fig. 3 is the schematic block circuit diagram of the NB-IoT modules of the present invention；
Fig. 4 is the NB-IoT module networking flow charts of the present invention；
Fig. 5 is the partial process view of the daily upload frame data of transmission of the present invention；
Fig. 6 is the partial process view of the daily upload frame data of transmission of the present invention；
Fig. 7 is the flow chart of the reception instruction frame data of the present invention.
Wherein：1st, main control module, 2, memory module, 3, infrared communication module, 4, alarm module, 5, power detecting module,
6th, display module, 7, metering module, 8, valve control module, 9, real-time clock module, 10, key-press module, 11, NB-IoT moulds
Block, 12, base station, 13, core net, 14, platform of internet of things, 15, third-party application, 16, SIM card, 17, energy supply control module, 18,
Antenna, 19, serial ports.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Embodiment：A kind of Internet of Things gas meter, flow meter communication system based on the NB-IoT communication technologys, as shown in figure 1, including：
Main control module 1, for receiving the information of remaining module transmission and sending control information to remaining module；
Memory module 2, is connected with main control module, for store gas meter, flow meter end operational factor, with gas record and logout；
Infrared communication module 3, is connected with main control module, for manually setting and reading the parameter and record at table end；
Alarm module 4, is connected with main control module, for external fuel gas alarm, monitors whether combustion gas leaks in real time, if any leakage
It then will leak out information and be uploaded to remote server；
Power detecting module 5, is connected with main control module, for monitoring current power supply state in real time；
Display module 6, is connected with main control module, the parameter such as display remaining sum, unit price, accumulative gas consumption, time, in prompt table
Abnormal information；
Metering module 7, is connected with main control module, and for metering signal to be changed into data signal, often metering is accumulated to certain value
When triggering once storage operation；
Valve control module 8, is connected with main control module, and control valve opens and closes；
Real-time clock module 9, is connected with main control module, for ensureing time accuracy；
Key-press module 10, is connected with main control module, and for inquiring about data in gas meter, flow meter table, control information is sent by main control module
To valve control module；
NB-IoT modules 11, are connected with main control module, for realizing the interaction at gas meter, flow meter end and remote server.
NB-IoT modules are connected into the theory diagram of network as shown in Fig. 2 NB-IoT modules with base station 12 by wirelessly communicating
Connection, base station communicate to connect with core net 13, and core net and platform of internet of things 14 communicate to connect, and platform of internet of things should with third party
With 15 communication connections.
The schematic block circuit diagram of NB-IoT modules is as shown in figure 3, NB-IoT modules include NB-IoT module bodies, serial ports
19th, energy supply control module 17, SIM card 16 and antenna 18, NB-IoT module bodies are electrically connected by serial ports with main control module, NB-
IoT module bodies electrically connect provided with SIM card neck with SIM card, NB-IoT module bodies by the antenna for amplified signal with
Base station communication connects, and NB-IoT module bodies electrically connect with energy supply control module.
A kind of Internet of Things gas meter, flow meter communication system based on the NB-IoT communication technologys, comprises the following steps：
Step 1, system starts NB-IoT communications, and the concrete mode of startup is touched using real-time clock module triggering, alarm module
Hair or key-press module triggering, make control module open the work of NB-IoT communication modules.Energy supply control module opens NB-IoT modules
Power supply, main control module start communication by serial ports send configuration order to NB-IoT modules, NB-IoT modules, carried out with core net
Networking operation；
Step 2, after NB-IoT modules are networked successfully, system sends registered frame to remote server by NB-IoT modules, remotely
Server replys acknowledgement frame after receiving registered frame；
Step 3, after system receives acknowledgement frame, NB-IoT modules send daily upload frame, and remote server receives daily upload frame
After determine whether to instruct needs to issue, if then issuing command frame, the operation of parameter setting or reading is carried out to system, is
System makes response after receiving, and when remote server judges not having instruction to need to issue, issues end frame, terminates this communication.
As shown in figure 4, step 1 is specifically divided into following sub-step：
Electric in sub-step a, NB-IoT module, main control module configures cdp information, frequency locking parameter and frequency range to NB-IoT modules joins
Number, while read IMEI number；
Sub-step b, core net read the IMSI number of NB-IoT modules, while set APN, configuration to search net national code number and network
Code, is registered to NB-IoT modules；
Sub-step c, NB-IoT module polls login state, if succeeding in registration, reads semaphore, if registration is unsuccessful, after
Continuous inquiry login state is untill succeeding in registration.
As shown in Figure 5, Figure 6, the idiographic flow of system transmission data is：
System judges whether NB-IoT modules are networked success, if networking successfully, data to be sent are sent to by system by serial ports
NB-IoT modules, NB-IoT modules retransmit data to remote server, when system is sent to NB-IoT module polls to data
After success, terminate this transmission flow, start and receive flow；If networking is unsuccessful, terminate transmission flow, start the stream that networks
Journey；
As shown in fig. 7, the idiographic flow that system receives data is：
System judges whether NB-IoT modules network success, if networking successfully, obtains the number of NB-IoT module count pick up devices
Value, judgement receive data, then reading remote server is sent data cached to NB-IoT modules, if not receiving data,
Then continue to obtain count pick up device numerical value.
Claims (10)
1. a kind of Internet of Things gas meter, flow meter communication system based on the NB-IoT communication technologys, it is characterized in that, including：
Memory module, be connected with main control module, for store gas meter, flow meter end operational factor, with gas record and logout；
Power detecting module, is connected with main control module, for monitoring current power supply state in real time；
Metering module, it is connected with main control module, for metering signal to be changed into data signal, when often metering is accumulated to certain value
Triggering once storage operation；
Valve control module, it is connected with main control module, control valve opens and closes；
Real-time clock module, it is connected with main control module, for timing time；
NB-IoT modules, are connected with main control module, for realizing the interaction at gas meter, flow meter end and remote server；
Main control module, for receiving infrared communication module, power detecting module, metering module, real-time clock module and NB-IoT
The information and send control information to memory module, infrared communication module, power detecting module, Valve controlling mould that module is sent
Block, real-time clock module and NB-IoT modules.
2. a kind of Internet of Things gas meter, flow meter communication system based on the NB-IoT communication technologys according to claim 1, its feature
It is, in addition to alarm module and key-press module, alarm module are connected with main control module, for external fuel gas alarm, are supervised in real time
Survey whether combustion gas leaks, then will leak out information if any leakage is uploaded to remote server；Key-press module is connected with main control module, is used
In data in inquiry gas meter, flow meter table, control information is sent to valve control module by main control module.
3. a kind of Internet of Things gas meter, flow meter communication system based on the NB-IoT communication technologys according to claim 1, its feature
It is, in addition to display module, it is connected with main control module, display remaining sum, unit price, accumulative gas consumption, time parameter, prompt table
Interior abnormal information.
4. a kind of Internet of Things gas meter, flow meter communication system based on the NB-IoT communication technologys according to claim 1, its feature
It is, in addition to infrared communication module, it is connected with main control module, for manually setting and reading the parameter and record at table end.
5. a kind of Internet of Things gas meter, flow meter communication system based on the NB-IoT communication technologys according to claim 1, its feature
It is that by being wirelessly connected with base station communication, base station is connected described NB-IoT modules with core network communications, core net and Internet of Things
Platform communication connects, and platform of internet of things communicates to connect with third-party application.
6. a kind of Internet of Things gas meter, flow meter communication system based on the NB-IoT communication technologys according to claim 1 or 5, it is special
Sign is that described NB-IoT modules include NB-IoT module bodies, serial ports, energy supply control module, SIM card and antenna, NB-IoT
Module body is electrically connected by serial ports with main control module, and NB-IoT module bodies electrically connect provided with SIM card neck with SIM card, NB-
IoT module bodies are connected by the antenna for amplified signal with base station communication, NB-IoT module bodies and energy supply control module
Electrical connection.
A kind of 7. Internet of Things gas meter, flow meter communication means based on the NB-IoT communication technologys, based on a kind of base described in claim 3
In the Internet of Things gas meter, flow meter communication system of the NB-IoT communication technologys, it is characterized in that, comprise the following steps：
Step 1, system starts NB-IoT communications, and energy supply control module opens NB-IoT modular power sources, and main control module passes through serial ports
Send configuration order to NB-IoT modules, NB-IoT modules starts communication, and networking operation is carried out with core net；
Step 2, after NB-IoT modules are networked successfully, system sends registered frame to remote server by NB-IoT modules, remotely
Server replys acknowledgement frame after receiving registered frame；
Step 3, after system receives acknowledgement frame, NB-IoT modules send daily upload frame, and remote server receives daily upload frame
After determine whether to instruct needs to issue, if then issuing command frame, the operation of parameter setting or reading is carried out to system, is
System makes response after receiving, and when remote server judges not having instruction to need to issue, issues end frame, terminates this communication.
8. a kind of Internet of Things gas meter, flow meter communication means based on the NB-IoT communication technologys according to claim 7, its feature
It is that described step 1 is specifically divided into following sub-step：
Electric in sub-step a, NB-IoT module, main control module configures cdp information, frequency locking parameter and frequency range to NB-IoT modules joins
Number, while read IMEI number；
Sub-step b, core net read the IMSI number of NB-IoT modules, while set APN, configuration to search net national code number and network
Code, is registered to NB-IoT modules；
Sub-step c, NB-IoT module polls login state, if succeeding in registration, reads semaphore, if registration is unsuccessful, after
Continuous inquiry login state is untill succeeding in registration.
9. a kind of Internet of Things gas meter, flow meter communication means based on the NB-IoT communication technologys according to claim 7, its feature
It is that the idiographic flow that described system sends data is：
System judges whether NB-IoT modules are networked success, if networking successfully, data to be sent are sent to by system by serial ports
NB-IoT modules, NB-IoT modules retransmit data to remote server, when system is sent to NB-IoT module polls to data
After success, terminate this transmission flow, start and receive flow；If networking is unsuccessful, terminate transmission flow, start the stream that networks
Journey；
System receive data idiographic flow be：
System judges whether NB-IoT modules network success, if networking successfully, obtains the number of NB-IoT module count pick up devices
Value, judgement receive data, then reading remote server is sent data cached to NB-IoT modules, if not receiving data,
Then continue to obtain count pick up device numerical value.
10. a kind of Internet of Things gas meter, flow meter communication means based on the NB-IoT communication technologys according to claim 7, its feature
It is that the mode that described system starts NB-IoT communications is using real-time clock module triggering, alarm module triggering or button mould
Block triggers, and control module is opened the work of NB-IoT communication modules.
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