CN108111989A - Utilization system based on cellular narrowband Internet of Things in medium pipeline monitoring - Google Patents
Utilization system based on cellular narrowband Internet of Things in medium pipeline monitoring Download PDFInfo
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- H—ELECTRICITY
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Abstract
The present invention relates to the utilization systems based on cellular narrowband Internet of Things in medium pipeline monitoring, can effectively solve the problem of that the monitoring of medium pipeline ensures that pipeline is safe to use.The technical solution of solution is, the information gathering end of pressure sensor is connected with the signal input part of intelligent terminal, intelligent terminal is connected with operator's base station radio communication, operator base station is connected with carrier server wireless communication, carrier server is connected with Data processing central server wireless communication, Data processing central server is connected with mobile phone wireless communication, structure novel of the present invention is unique, it is easy to install, it is applied in medium pipeline monitoring, it efficiently solves and terminal and the real-time Transmission of mobile data terminal is realized by narrowband Internet of Things according to user demand, reduce customer using cost, enhance user and use function, it is connected with magnanimity, depth covers, super low-power consumption, the advantage of low cost, it is innovation of the narrowband Internet of Things in pipe applications, economic and social benefit is huge.
Description
Technical field
The present invention relates to management equipments, are based particularly on cellular narrowband Internet of Things（NB-loT）Technology is supervised in medium pipeline
A kind of utilization system based on cellular narrowband Internet of Things in medium pipeline monitoring vertically used in survey.
Background technology
Technology of Internet of things mainly passes through FRID technologies, WiFi technology, Bluetooth technologies, GPRS known at present
Technology etc., all kinds of technologies are usually constructed with the defects of it is difficult to avoid that, power consumption is big, signal is weak, transmission range is short, connection quantity is small,
The defects of of high cost.Power consumption causes greatly battery not use for a long time, and signal is weak for can not under relative complex environmental condition
Reach preferable using effect, transmission range is short can not to meet the effect transmitted at a distance, and quantity is small causes integrated system for connection
Complicated, cost increases.Solve FRID technical transmissions apart from it is short, power consumption is big, WIFI transmission ranges are short and due to using exempting to authorize
Frequency range causes that signal quality is not ideal enough, lower deployment cost is high, connection amount is small, power consumption is big, and GPRS signal penetration powers are weak, in-door covering
It is undesirable, power consumption is big, the drawbacks such as costly.It embodies based on cellular narrowband Internet of Things（NB-loT）The advantage of technology, magnanimity
The four big advantages such as connection, depth covering, super low-power consumption, low cost.
The management of city supply water pipeline is a complicated engineering, and mostly at present is to use manually to be detected, and is carried out in time
Repair, it is time-consuming and laborious, but also tend not to find the pressure condition of pipeline medium in time, so as to cause dangerous water delivery thing
Therefore, then it can be with based on cellular narrowband Internet of Things（NB-loT）The progressively development of technology, chip, base station, the day of network
Become perfect, so far there are no is publicly reported in the monitoring of medium pipeline by NB-loT Technology applications.Therefore, it is desired solution in the industry
Certainly the technical issues of.
The content of the invention
For the above situation, to overcome the deficiency of the prior art, the purpose of the present invention is just to provide one kind based on cellular
Utilization system of the narrowband Internet of Things in medium pipeline monitoring, can effectively solve the monitoring of medium pipeline, ensure that pipeline uses peace
The problem of complete.
The technical solution that the present invention solves is, including pressure sensor, base station, server and mobile phone, pressure sensor
Information gathering end is connected with the signal input part of intelligent terminal, and intelligent terminal is connected with operator's base station radio communication, operator
Base station is connected with carrier server wireless communication, and carrier server is connected with Data processing central server wireless communication,
Data processing central server is connected with mobile phone wireless communication, and the intelligent terminal is by shell and its in vivo circuit structure of shell
Into the circuit includes central controller, and central controller is believed respectively with NBIOT telecommunication circuits, power supply stabilization circuit, simulation
Number output terminal of Acquisition Circuit, the output terminal of crystal oscillating circuit, expansion interface circuit are connected, the input terminal of analogue signal acquisition circuit
Be connected with for measuring the pressure sensor output terminal of medium pipeline pressure, NBIOT telecommunication circuits respectively with SIM card circuit and expansion
Exhibition interface circuit is connected；The pressure signal of the medium pipeline of pressure sensor acquisition reaches central control through analogue signal acquisition circuit
Device processed is uploaded to the NB-IoT networks of operator base station by central controller, Data processing is transferred to through carrier server
Central server, Data processing central server can be monitored in real time according to the pressure that intelligent terminal provides, the data alerted,
And sending the information of pressure, alarm to mobile phone in time, user monitors medium pipeline pressure condition in real time simultaneously by smart mobile phone
Make troubleshooting in time.
Structure novel of the present invention is unique, easy to install, particularly initiative to provide a kind of intelligent terminal, and
It is applied in medium pipeline monitoring, efficiently solves and terminal and mobile data terminal are realized by narrowband Internet of Things according to user demand
Real-time Transmission, so as to further reach reduction customer using cost, enhancing user uses the effect of function, and there is magnanimity to connect
Connect, depth covering, super low-power consumption, the advantage of low cost, be innovation of the narrowband Internet of Things in pipe applications, economic and society's effect
Benefit is huge.
Description of the drawings
Fig. 1 is the system construction drawing of the present invention.
Fig. 2 is the systems function diagram of the present invention.
Fig. 3 is the intelligent terminal circuit block diagram of the present invention.
Fig. 4 is the central controller circuit diagram of the present invention.
Fig. 5 is the NBIOT telecommunication circuit schematic diagrams of the present invention.
Fig. 6 is the power supply stabilization circuit figure of the present invention.
Fig. 7 is the analogue signal acquisition circuit figure of the present invention.
Fig. 8 is the crystal oscillating circuit figure of the present invention.
Fig. 9 is the SIM card circuit diagram of the present invention.
Figure 10 is the expansion interface circuit figure of the present invention.
Figure 11 is the access circuit diagram of the pressure medium sensor of the present invention.
Specific embodiment
It elaborates below in conjunction with attached drawing to the specific embodiment of the present invention.
As shown in Fig. 1, Fig. 2, the present invention is a kind of to use system based on cellular narrowband Internet of Things in medium pipeline monitoring
System, including pressure sensor, base station, server and mobile phone, the information gathering end of pressure sensor 1 is the same as the signal of intelligent terminal 2
Input terminal is connected, and intelligent terminal 2 is connected with 3 wireless communication of operator base station, and operator base station 3 is wireless with carrier server 4
Communication be connected, carrier server 4 is connected with 5 wireless communication of Data processing central server, Data processing central server 5 with
6 wireless communication of mobile phone is connected, and the intelligent terminal is made of shell and its in vivo circuit of shell, during the circuit includes
Entreat controller 2-1, central controller 2-1 respectively with NBIOT telecommunication circuits 2-2, power supply stabilization circuit 2-3, collection of simulant signal
The output terminal of circuit 2-4, the output terminal of crystal oscillating circuit 2-5, expansion interface circuit 2-7 are connected, analogue signal acquisition circuit 2-4's
Input terminal is connected with for the pressure sensor output terminal that measures 7 pressure of medium pipeline, NBIOT telecommunication circuits 2-2 respectively with SIM
Card circuit 2-6 is connected with expansion interface circuit 2-7；The pressure signal of the medium pipeline of pressure sensor acquisition is adopted through analog signal
Collector reaches central controller, the NB-IoT networks of operator base station is uploaded to by central controller, through carrier server
It is transferred to Data processing central server, Data processing central server can be according to pressure that intelligent terminal provides, alarm
Data are monitored in real time, and send the information of pressure, alarm to mobile phone in time, and user is monitored in real time by smart mobile phone to be situated between
Matter pipeline pressure situation simultaneously makes troubleshooting in time.
9 feet of central controller the model SCM003, central controller U1,10 feet respectively with crystal oscillating circuit 2-5
Crystal oscillator Y1 both ends be connected；Resistance R14 and key switch the K2 ground connection that 16 feet of central controller U1 are concatenated, central controller
The 3 feet ground connection of U1, and power supply VCC-3V3 is met through capacitance C1,4 feet connect power supply VCC-3V3,5 foot meridian capacitor C2 ground connection, and 7 feet are through electricity
Resistance R1 meets power supply VCC-3V3, and 11 feet are grounded through resistance R3, and the resistance R2 through being connected with resistance R3 one end meets power supply VCC-3V3,
Expansion interface circuit 2-7 is made of interface J2, interface J3, interface J4, interface J5, the 15 of interface J2 and central controller U1
Foot, 14 feet are connected, and interface J3 is connected with 20 feet, 23 feet of central controller U1,18 feet of interface J4 and central controller U1,19
Foot is connected, and interface J5 is connected with the power supply VCC-3V3 feet of central controller U1；
The crystal oscillating circuit is made of crystal oscillator Y1 and capacitance C3, capacitance C4, and crystal oscillator Y1 both ends are through capacitance C3 in parallel, capacitance
C4 is grounded；
The NBIOT telecommunication circuit U2 models CB95,2 feet ground connection, 71 feet, 72 feet, 73 feet, 74 foot earths, 81 feet,
82 feet, 83 foot earths, 92 feet, 93 feet, 94 foot earths, 54 feet, 59 feet, 60 feet, 61 feet, 62 feet, 63 feet, 64 feet,
65 feet, 66 foot earths, 48 feet, 51 feet, 52 foot earths, 43 feet ground connection, 47 feet ground connection, 15 feet are through voltage stabilizing two in parallel
Pole pipe D2, the first button switch K 1 are grounded, and 15 feet connect 17 feet of central controller U1 through the first triode Q1, and 18 feet are through the two or three
Pole pipe Q2, resistance R11, Light-emitting diode LED 1 meet power supply VCC-3V3, and 34 feet are through resistance R19 connecting resistances R1 and power supply VCC-
3V3, and 7 feet of central controller U1 are connect through resistance R1,26 solutions are grounded through capacitance C11, and 29 feet are grounded through resistance R12, and through electricity
Resistance R18 connects 19 feet of central controller U1, and 30 feet connect 18 feet of central controller U1,19 feet, 20 feet, 21 feet point through resistance R17
Other plug receptacle P01, P02, P03,53 foot meridian capacitor C9 ground connection, and the capacitance C10 through resistance R7 and parallel connection is grounded, resistance R7 and electricity
Hold the common termination antenna E1 of C10；
The power supply stabilization circuit structure is that the cathode ground connection of power supply B1, the anode of power supply B1 meets NBIOT telecommunication circuits U2 simultaneously
45 feet, 46 feet of connection, and be connected with the zener diode D1 of earth, capacitance C15, capacitance C2, capacitance C13, power supply B1's
Anode meets zener diode D4 through zener diode D3, and zener diode D4 connects USB jack, and the resistance R13 and hair being concatenated
Optical diode LED2 is grounded, and zener diode D3, grounded capacitance C23, capacitance C01 connects respectively at the common end of zener diode D4
Ground, and with one end of coil L1 and voltage-stablizer U7（Model SPX3819）1 foot, 3 feet be connected, 2 feet of voltage-stablizer U7 ground connection, surely
5 feet of depressor U7 meet power supply VCC-3V3, and are grounded through capacitance C28, and 4 foot meridian capacitor C27 ground connection, the other end of coil L1 is through electricity
Hold C02 ground connection, and be connected with power supply AVCC-5V, power supply AVCC-5V and capacitance C24 one end and 1 foot, 3 feet of three terminal regulator U8
It is connected, 2 feet and the capacitance C24 other end earths of three terminal regulator U8,5 feet and the power supply VCC-1V8 of three terminal regulator U8
And the capacitance C26 of ground connection is connected, the 4 foot meridian capacitor C25 ground connection of three terminal regulator U8；
The analogue signal acquisition circuit 2-4 includes the acquisition module U6 of model ADS7828,1 foot of acquisition module U6,
2 feet, 3 feet, 4 feet, 5 feet, 6 feet, 7 feet, 8 feet are connected respectively with 1 foot of interface J1,2 feet, 3 feet, 4 feet, 5 feet, 6 feet, 7 feet, 8 feet,
The 9 feet ground connection of interface J1；1 foot of interface J1 is concatenated resistance R14, capacitance C14 ground connection, resistance R19, the capacitance that 2 feet are concatenated
C16 is grounded, and resistance R23, capacitance the C22 ground connection that 3 feet are concatenated, resistance R24, capacitance the C29 ground connection that 4 feet are concatenated, 5 feet are through string
Resistance R25, capacitance the C30 ground connection of connection, resistance R26, capacitance the C31 ground connection that 6 feet are concatenated, resistance R29, the electricity that 7 feet are concatenated
Holding C33 ground connection, resistance R30, capacitance the C34 ground connection that 8 feet are concatenated, interface J1 meet the signal output part Vout of pressure sensor 1,
Pressure sensor 1 is vertically mounted on medium pipeline 7, the power supply VCC ends of the VS termination central controllers U1 of pressure sensor 1（4
Foot）, the ground terminal GND ground connection of pressure sensor 1；
The SIM card circuit 2-6 is made of model SIM-Card sockets circuit U 5 and resistance, capacitance, and SIM-Card is inserted
1 foot of mouth circuit U 5 connects 42 feet of NBIOT telecommunication circuits U2, and 6 feet of SIM-Card sockets circuit U 5 are connect through capacitance C21,
3 foot meridian capacitor C18 of SIM-Card sockets circuit U 5 are grounded, and 40 feet of NBIOT telecommunication circuits U2, SIM- are met through resistance R10
4 foot meridian capacitor C19 of Card sockets circuit U 5 are grounded, and 41 feet of NBIOT telecommunication circuits U2 are connect through resistance R9, and SIM-Card is inserted
5 foot meridian capacitor C20 of mouth circuit U 5 are grounded, and 39 feet of NBIOT telecommunication circuits U2, SIM-Card socket circuits are connect through resistance R8
6 feet of U5 connect 38 feet of NBIOT telecommunication circuits U2.
From the above, it is seen that it is based on cellular narrowband Internet of Things the present invention relates to a kind of（NB-loT）Technology is in medium
In pipeline vertically with system, core be it is Promethean give a kind of intelligent terminal, receiving sensor can be passed through
Whether signal monitors the pressure immediate status of various pipes medium and reveals, as abnormal in occurred in monitoring process, in time
The functions such as alarm feedback information.By the connection with sensor, terminal received signals pass through honeycomb narrowband Internet of Things and and terminal
Equipment connects（PC, mobile phone）, realize information alert and alarm.Solve FRID technical transmissions apart from it is short, power consumption is big, WIFI transmission
Apart from short and due to causing that signal quality is not ideal enough, lower deployment cost is high, connection amount is small, power consumption is big using unlicensed band,
GPRS signal penetration powers are weak, in-door covering is undesirable, power consumption is big, the drawbacks such as costly.It embodies based on cellular narrowband Internet of Things
Net（NB-loT）The advantage of technology, the four big advantages such as magnanimity connection, depth covering, super low-power consumption, low cost, combine closely user
Use demand realizes terminal and the real-time Transmission of mobile data terminal by narrowband Internet of Things, is used so as to further reach reduction
Family use cost, enhancing user use the effect of function.
In said structure, during use by intelligent terminal, NB-IoT transmission networks, data center, smart mobile phone it is soft
Hardware system forms medium pipeline monitoring system, and intelligent terminal realizes medium pipeline pressure real time monitoring, multiple sensor is believed
Number digital signal is converted to, is to meet the data frame of NB-IoT agreements by signal sampling filtering post package, uploads to operator
NB-IoT networks, data frame is transferred to data center by network side, data center can according to the pressure that terminal reports, accuse
The data such as alert are monitored in real time, and the information such as pressure, alarm are pushed to the intelligent hand for being equipped with monitoring application software in time
Machine.User can monitor medium pipeline pressure condition in real time by smart mobile phone and make troubleshooting in time.
Intelligent terminal can external multiple sensor, realize an intelligent terminal gather multiple test points simultaneously, it is cost-effective.
Internet of Things application management is disposed in carrier server, realizes the safe and reliable transmission of gathered data, data format
The management functions such as conversion, facility registration, subscription authentication.
The functions such as Data processing central server top administration data transmission, storage, analysis, realize pressure, alarm data pair
The management functions such as the push and access privilege management of user, terminal device Register Cancel.
Smart mobile phone realizes the real time monitoring of the information such as each collection point pressure data, alarm.
The present invention according to different entities in use, be divided into 3 levels, as shown in Figure 2：
Access layer：The generation of the master data of respective entity is mainly responsible for, Intelligent hardware terminal is responsible for gas pressure initial data
Acquisition, intelligent data terminal is responsible for data storage management, and client accesses data.
Management level：Scene and customer demand based on data analyze and process initial data.Terminal is responsible for according to this
The application scenarios of terminal encapsulate and report acquired original data.Data center is responsible for carrying out data point according to the requirement of application service
Analysis, provides corresponding Data View.Client is then filtered according to service management demand.
Application layer：Towards the specially treated of different vertical application.Terminal is responsible for configuring according to actual application scenarios
It notifies breath, reporting schemes.Data center is responsible for generating application service according to user demand.Client is carried according to service application demand
For visualizing interface.
In said structure, wherein：
1. central controller：Central controller uses the control of the Cotex-M0 framework models SCM003 based on ARM frameworks
Device, the modules such as external NB-IoT communications modules, clock, I2C, UART, SPI, AD conversion, indicator light.
2. NBIOT telecommunication circuits：NBIOT telecommunication circuits use BC95 modular circuits, realize the nothing based on NBIOT agreements
Line signal receives transmission processing, baseband signal transmitting-receiving process, NBIOT protocol stack function treatments, and provides NBIOT to main control unit
Communication interface, while external SIM Circuit managements user information.
3. power supply stabilization circuit：Power supply stabilization circuit is the defeated of the circuit with stable such as main control unit by linear voltage regulator
Enter voltage.
4. collection of simulant signal process circuit：Collection of simulant signal process circuit includes multichannel analog signals selection function
With Analog-digital Converter function, collect analog signal from external multichannel pressure sensor and be converted to digital signal.
5. crystal oscillating circuit：Crystal oscillating circuit is the 12M clock signals of master control circuit with stable.
6. SIM card circuit：SIM card circuit provides SIM information read functions.
7. expansion interface circuit：Expansion interface circuit provides the read-write capability of the external interfaces such as UART, SPI, I2C.
Parts selection in circuit diagram is not limited to the type of device marked in figure, all to have similar functions and compatibility
The device of property can meet design requirement.
8. pressure medium sensor circuit：DC voltage is accessed in pressure sensor Vs ports（Voltage 5V）, GND ports connect
Ground, Vout ports export DC voltage, are connected to the input port of collection of simulant signal process circuit.One Intelligent hardware terminal
8 tunnel sensor signals can be accessed simultaneously, for measuring the pressure of medium pipeline, and sent to through collection of simulant signal process circuit
Central controller.
The present invention by taking gas pressure as an example in use, illustrate service condition（Liquid case is identical with gas station）, gas
It is stored in steel cylinder, is powered by pipeline to laboratory equipment.Steel cylinder is left concentratedly in outdoor storehouse.Pressure sensor is installed
On gas pipeline, pipeline stress variation is detected in real time and gas pressure value is calculated.The number that pressure sensor detects
According to being exported with 0-5V analog voltage signals.The analog voltage output quantity that pressure sensor detects is by Intelligent hardware terminal
Acquisition, is converted into digital signal, forming IP bags by NB-IoT modules is transferred to network side by AD conversion.IP bags by base station and
Carrier server is forwarded to Data processing central server（Subsequently it is referred to as data center）, it is put in storage by data center, and root
Warning message is converted into according to the alarming threshold of setting.User is obtained warning information by cell phone application and checks each inspection in time
The pressure value of measuring point, it is ensured that find the simultaneously under-voltage problem of processing gas in time.
By case above it should be apparent that the present invention, which is one kind, is based on cellular narrowband Internet of Things（NB-loT）Technology
In medium pipeline vertically with system, the pressure of various pipes medium can be monitored by receiving the signal of pressure sensor
Immediate status and whether reveal, as there are the functions such as abnormal and alarm feedback information in monitoring process.By with biography
The connection of sensor, terminal received signals are connected by honeycomb narrowband Internet of Things with terminal device（PC, mobile phone）, realize information
Prompting and alarm.Solve FRID technical transmissions apart from it is short, power consumption is big, WIFI transmission ranges are short and due to using unlicensed band
Cause that signal quality is not ideal enough, lower deployment cost is high, connection amount is small, power consumption is big, GPRS signal penetration powers are weak, in-door covering is paid no attention to
Think, power consumption is big, the drawbacks such as costly.It embodies based on cellular narrowband Internet of Things（NB-loT）The advantage of technology, magnanimity connection,
The four big advantage such as depth covering, super low-power consumption, low cost.It is excellent to possess magnanimity connection, depth covering, super low-power consumption, low cost etc.
Gesture, user monitor medium pipeline pressure condition in real time by intelligent mobile phone terminal and make troubleshooting, the side of installing and using in time
Just, effect is good, beneficial to the management to medium pipeline, it is ensured that medium pipeline it is safe to use, economic and social benefit is huge.
Claims (7)
1. it is a kind of based on cellular narrowband Internet of Things medium pipeline monitoring in utilization system, including pressure sensor, base station,
Server and mobile phone, which is characterized in that pressure sensor（1）The same intelligent terminal in information gathering end（2）Signal input part phase
Even, intelligent terminal（2）With operator base station（3）Wireless communication is connected, operator base station（3）With carrier server（4）Wirelessly
Communication is connected, carrier server（4）With Data processing central server（5）Wireless communication is connected, Data processing central server
Device（5）With mobile phone（6）Wireless communication is connected, and the intelligent terminal is made of shell and its in vivo circuit of shell, described
Circuit includes central controller（2-1）, central controller（2-1）Respectively with NBIOT telecommunication circuits（2-2）, power supply stabilization circuit
（2-3）, analogue signal acquisition circuit（2-4）Output terminal, crystal oscillating circuit（2-5）Output terminal, expansion interface circuit（2-7）Phase
Even, analogue signal acquisition circuit（2-4）Input terminal with for measuring medium pipeline（7）The pressure sensor output terminal phase of pressure
Even, NBIOT telecommunication circuits（2-2）Respectively with SIM card circuit（2-6）And expansion interface circuit（2-7）It is connected；Pressure sensor is adopted
The pressure signal of the medium pipeline of collection reaches central controller through analogue signal acquisition circuit, and operation is uploaded to by central controller
The NB-IoT networks of business base station are transferred to Data processing central server, Data processing central server through carrier server
It can be monitored in real time according to the pressure that intelligent terminal provides, the data alerted, and the information of pressure, alarm is transmitted in time
To mobile phone, user monitors medium pipeline pressure condition in real time by smart mobile phone and makes troubleshooting in time.
2. the utilization system according to claim 1 based on cellular narrowband Internet of Things in medium pipeline monitoring, special
Sign is, 9 feet of central controller the model SCM003, central controller U1,10 feet are respectively with crystal oscillating circuit 2-5's
Crystal oscillator Y1 both ends are connected；Resistance R14 and key switch the K2 ground connection that 16 feet of central controller U1 are concatenated, central controller U1
3 feet ground connection, and meet power supply VCC-3V3 through capacitance C1,4 feet connect power supply VCC-3V3,5 foot meridian capacitor C2 ground connection, and 7 feet are through resistance
R1 meets power supply VCC-3V3, and 11 feet are grounded through resistance R3, and the resistance R2 through being connected with resistance R3 one end meets power supply VCC-3V3, are expanded
Opening up interface circuit 2-7 is made of interface J2, interface J3, interface J4, interface J5,15 feet of interface J2 and central controller U1,
14 feet are connected, and interface J3 is connected with 20 feet, 23 feet of central controller U1,18 feet, 19 feet of interface J4 and central controller U1
It is connected, interface J5 is connected with the power supply VCC-3V3 feet of central controller U1.
3. the utilization system according to claim 1 based on cellular narrowband Internet of Things in medium pipeline monitoring, special
Sign is that the crystal oscillating circuit is made of crystal oscillator Y1 and capacitance C3, capacitance C4, capacitance C3 of the crystal oscillator Y1 both ends through parallel connection,
Capacitance C4 is grounded.
4. the utilization system according to claim 1 based on cellular narrowband Internet of Things in medium pipeline monitoring, special
Sign is that the NBIOT telecommunication circuit U2 models CB95,2 feet are grounded, 71 feet, 72 feet, 73 feet, 74 foot earths, 81
Foot, 82 feet, 83 foot earths, 92 feet, 93 feet, 94 foot earths, 54 feet, 59 feet, 60 feet, 61 feet, 62 feet, 63 feet, 64
Foot, 65 feet, 66 foot earths, 48 feet, 51 feet, 52 foot earths, 43 feet ground connection, 47 feet ground connection, 15 feet are steady through parallel connection
Pressure diode D2, the first button switch K 1 are grounded, and 15 feet connect 17 feet of central controller U1 through the first triode Q1, and 18 feet are through the
Two triode Q2, resistance R11, Light-emitting diode LED 1 meet power supply VCC-3V3, and 34 feet are through resistance R19 connecting resistances R1 and power supply
VCC-3V3, and 7 feet of central controller U1 are connect through resistance R1,26 solutions are grounded through capacitance C11, and 29 feet are grounded through resistance R12, and
19 feet of central controller U1 are connect through resistance R18,30 feet connect 18 feet of central controller U1,19 feet, 20 feet, 21 through resistance R17
Foot difference plug receptacle P01, P02, P03,53 foot meridian capacitor C9 ground connection, and the capacitance C10 through resistance R7 and parallel connection is grounded, resistance R7
With the common termination antenna E1 of capacitance C10.
5. the utilization system according to claim 1 based on cellular narrowband Internet of Things in medium pipeline monitoring, special
Sign is that the power supply stabilization circuit structure is that the cathode ground connection of power supply B1, the anode of power supply B1 connects NBIOT telecommunication circuits
45 feet, 46 feet of U2 parallel connections, and be connected with the zener diode D1 of earth, capacitance C15, capacitance C2, capacitance C13, power supply
The anode of B1 meets zener diode D4 through zener diode D3, and zener diode D4 connects USB jack, and the resistance R13 being concatenated
It is grounded with Light-emitting diode LED 2, grounded capacitance C23, capacitance are distinguished in zener diode D3, the common end of zener diode D4
C01 is grounded, and is connected with 1 foot of one end of coil L1 and the voltage-stablizer U7 of model SPX3819,3 feet, and 2 feet of voltage-stablizer U7 connect
Ground, 5 feet of voltage-stablizer U7 meet power supply VCC-3V3, and are grounded through capacitance C28,4 foot meridian capacitor C27 ground connection, the other end of coil L1
It is grounded, and is connected with power supply AVCC-5V through capacitance C02, the 1 of power supply AVCC-5V and capacitance C24 one end and three terminal regulator U8
Foot, 3 feet are connected, 2 feet and the capacitance C24 other end earths of three terminal regulator U8,5 feet and power supply of three terminal regulator U8
VCC-1V8 and the capacitance C26 of ground connection are connected, the 4 foot meridian capacitor C25 ground connection of three terminal regulator U8.
6. the utilization system according to claim 1 based on cellular narrowband Internet of Things in medium pipeline monitoring, special
Sign is, the analogue signal acquisition circuit 2-4 includes the acquisition module U6 of model ADS7828, the 1 of acquisition module U6
Foot, 2 feet, 3 feet, 4 feet, 5 feet, 6 feet, 7 feet, 8 feet respectively with 1 foot of interface J1,2 feet, 3 feet, 4 feet, 5 feet, 6 feet, 7 feet, 8 foot phases
Even, the 9 feet ground connection of interface J1；1 foot of interface J1 is concatenated resistance R14, capacitance C14 ground connection, resistance R19, the electricity that 2 feet are concatenated
Hold C16 ground connection, resistance R23, capacitance the C22 ground connection that 3 feet are concatenated, resistance R24, capacitance the C29 ground connection that 4 feet are concatenated, 5 feet warp
Resistance R25, capacitance the C30 ground connection of series connection, resistance R26, capacitance C31 that 6 feet are concatenated ground connection, resistance R29 that 7 feet are concatenated,
Capacitance C33 is grounded, and resistance R30, capacitance the C34 ground connection that 8 feet are concatenated, interface J1 connect the signal output part of pressure sensor 1
Vout, pressure sensor 1 are vertically mounted on medium pipeline 7, the power supply VCC of the VS termination central controllers U1 of pressure sensor 1
End, the ground terminal GND ground connection of pressure sensor 1.
7. the utilization system according to claim 1 based on cellular narrowband Internet of Things in medium pipeline monitoring, special
Sign is, the SIM card circuit（2-6）It is to be made of model SIM-Card sockets circuit U 5 and resistance, capacitance, SIM-
1 foot of Card sockets circuit U 5 connects 42 feet of NBIOT telecommunication circuits U2, and connects the 6 of SIM-Card sockets circuit U 5 through capacitance C21
Foot, 3 foot meridian capacitor C18 of SIM-Card sockets circuit U 5 are grounded, and 40 feet of NBIOT telecommunication circuits U2 are connect through resistance R10,
4 foot meridian capacitor C19 of SIM-Card sockets circuit U 5 are grounded, and 41 feet of NBIOT telecommunication circuits U2, SIM- are met through resistance R9
5 foot meridian capacitor C20 of Card sockets circuit U 5 are grounded, and 39 feet of NBIOT telecommunication circuits U2 are connect through resistance R8, and SIM-Card is inserted
6 feet of mouth circuit U 5 connect 38 feet of NBIOT telecommunication circuits U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134717.3A CN108111989A (en) | 2018-02-09 | 2018-02-09 | Utilization system based on cellular narrowband Internet of Things in medium pipeline monitoring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810134717.3A CN108111989A (en) | 2018-02-09 | 2018-02-09 | Utilization system based on cellular narrowband Internet of Things in medium pipeline monitoring |
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| CN201810134717.3A Withdrawn CN108111989A (en) | 2018-02-09 | 2018-02-09 | Utilization system based on cellular narrowband Internet of Things in medium pipeline monitoring |
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