CN208707680U - A kind of flux remote monitoring system based on Internet of Things - Google Patents
A kind of flux remote monitoring system based on Internet of Things Download PDFInfo
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- CN208707680U CN208707680U CN201821665624.5U CN201821665624U CN208707680U CN 208707680 U CN208707680 U CN 208707680U CN 201821665624 U CN201821665624 U CN 201821665624U CN 208707680 U CN208707680 U CN 208707680U
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- internet
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- remote monitoring
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Abstract
The utility model discloses a kind of flux remote monitoring systems based on Internet of Things, belong to flow remote control technology field, it is intended to provide a kind of flux remote monitoring system that Internet of Things, Cloud Server and flow measurement are combined and monitored in real time to flow, its key points of the technical solution are that including Internet of Things module, power circuit, boot-strap circuit, serial port circuit, data wireless transmission circuit, power circuit, for the voltage of input power to be converted into the operating voltage of Internet of Things module；Boot-strap circuit, for driving Internet of Things module to be switched on；Serial port circuit is connected for client, receives client traffic data；Data wireless transmission circuit, for client traffic data to be uploaded Cloud Server.This monitoring system carries out data exchange, reaches flow monitoring, control purpose.
Description
Technical field
The utility model relates to flow remote control technology field, in particular to a kind of flow based on Internet of Things is remotely supervised
Control system.
Background technique
In automated system, Controlling Apparatus for Processes mainly passes through various sensors, carries out various signal inspections to scene
It surveys, control system completes the control to links in procedures system according to the various signals detected.Controlling Apparatus for Processes kind
Class is various, has display (also referred to as direct-reading) type on the spot, also there is signal teletransmission type.
Current most of instrument are all signal teletransmission types, and remote transfer signal includes wire signal and wireless signal, can also be divided
For analog signal, digital signal and network signal.The development trend of remote transfer signal be exactly from it is wired to it is wireless or from simulation to
Number, then arrive network signal.Wire signal have passed through pulse signal, frequency signal, 0~10mA, 4~20mA signal, arrive below
When RSRS485 signal, digital signal is transitioned into via analog signal；Wireless signal early stage is mainly wireless RS485, wirelessly
RS485 signal propagation distance is limited, and usual linear distance is also with regard to several hundred rice, if there are barriers for round, signal is weaker,
Influence stability.Present wireless remote transmission is more, by GPRS network and internet, to realize process using technology of Internet of things
Data exchange between equipment and control centre.
Internet of Things is an emerging network technology, be on the basis of computer internet, using Radio Frequency Identification Technology,
Wireless data communication technology etc. constructs the internet in kind for realizing global Item Information Real-Time Sharing.Internet of Things goes out
Production method, life style and the life style for now changing society, will also bring us into an information and logistics
The brand-new epoch combined.Internet of Things is widely used, spreads intelligent transportation, environmental protection, government work, public safety, safety
Household, intelligent fire, industry monitoring, environmental monitoring, old man's nursing, personal health, flower culture, water system monitoring, foodstuff traceability,
The multiple fields such as enemy's situation investigation and information gathering.
Industry is the key areas of Internet of Things application, including the optimization of manufacturing industry supply chain management, production process technology, product
Monitoring of tools management, environment monitoring and energy management, industry security production management etc..All kinds of ends with environment sensing ability
Industrial links are constantly dissolved at end, the calculating mode based on ubiquitous technology, mobile communication etc., can greatly improve system
Efficiency is made, product quality is improved, reduces product cost and resource consumption, traditional industry is promoted into the new stage to intelligent industrial.
In industrial control process, flow, temperature, pressure, liquid level etc. are all critically important parameters, and technology of Internet of things is applied to
The on-line monitoring of flow, mainly various flow measurements or control device are connected by associated communication interface with internet-of-things terminal,
It is connected followed by GPRS, Internet with control centre server, carries out data exchange, reach flow monitoring, control mesh
's.
If single for Internet of Things, Cloud Server and flow measurement, three compares into respectively having had in the industry
Ripe technology, but triplicity is used at one piece, especially in flow measurement field, at present few application.
Utility model content
The purpose of the utility model is to provide a kind of flux remote monitoring system based on Internet of Things, have by Internet of Things,
Cloud Server and flow measurement combine the advantages of monitoring in real time to flow.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of flux remote monitoring system, including Internet of Things module, power circuit, boot-strap circuit, serial port circuit, data without
Line transmission circuit,
Power circuit, for the voltage of input power to be converted into the operating voltage of Internet of Things module；
Boot-strap circuit, for driving Internet of Things module to be switched on；
Serial port circuit is connected for client, receives client traffic data；
Data wireless transmission circuit, for client traffic data to be uploaded Cloud Server.
By using above-mentioned technical proposal, power circuit provides operating voltage for Internet of Things module, and boot-strap circuit drives object
Networking module booting work.Serial port circuit is used to connect client and receives the data on flows that client measures, and then passes through number again
Cloud Server is uploaded according to wireless transmission circuit.
Further, the Internet of Things module uses SIM800.
By using above-mentioned technical proposal, SIM800C working frequency is GSM/GPRS850/900/1800/1900MHz, can
The transmission of voice, SMS and data information is realized with low-power consumption.
Further, the power circuit includes voltage stabilizing chip U101, resistance R101, R102, capacitor C101, C102,
C103, C104, inductance L101, FB101, diode D101.
By using above-mentioned technical proposal, the power input of circuit is direct current 12V, the operating voltage range of Internet of Things module
For 3.4-4.4V, 3.9-4.0V is transformed to by DC-DC and gives Internet of Things module for power supply.
Further, the boot-strap circuit includes divider resistance R103, R104, triode Q1, the collector of triode Q1
The PWRKEY pin of attachment networking module.
By using above-mentioned technical proposal, the PORKEY of Internet of Things module is booting control, when detecting that PORKEY is low
When level, starting up.PORKEY is height, and Internet of Things module resets, unless detecting low level again, otherwise module will not be opened
It is dynamic.Module, which uses, powers on self-starting boot-strap circuit, the collector of the external control triode of PORKEY.In the control base stage of triode
Draw power supply.It powers on rear triode and controls base voltage as high level, triode ON, collector output low level is drawn to PORKEY
Foot, starting module booting.Internet of Things module provides a pin, should after the booting of Internet of Things module is in normal operating conditions
Pin can export high level, and whether user can be in booting working condition by the level of the pin come judgment module.User
It is then discharged by dragging down PWRKEY pin at least 1 second, so that module is switched on, this pin is pulled upward in inside modules
VBAT。
Further, the data wireless transmission circuit includes that SIM card interface circuit with antennal interface connects circuit,
SIM card interface circuit, for connecting SIM card；
Antennal interface connects circuit, for data on flows to be uploaded Cloud Server.
By using above-mentioned technical proposal, SIM card interface circuit connection SIM card is identified for GSM network client identity
Then circuit is connected by antennal interface and data on flows information is uploaded into cloud server.
Further, the SIM card interface circuit includes rectifier bridge, resistance R105, R106, R107, filter capacitor C105,
C106。
By using above-mentioned technical proposal, the resistance gone here and there in the interface is for the impedance between matching module and SIM card, number
It is not pulled up according to signal wire SIM_DATA in inside modules.
Further, the antennal interface connection circuit includes filter capacitor C107, C108, resistance 108 and GSM antenna mould
Block.
By using above-mentioned technical proposal, GSM antenna module using 50 Ω of characteristic impedance microstrip line or strip line with
The antenna leads of module connect.
Further, the flux remote monitoring system further includes network condition indicating circuit, the network state instruction
Circuit includes triode Q2, divider resistance R109, R110, pull-up resistor R10 and light emitting diode D102.
By using above-mentioned technical proposal, for driving the LED light of instruction network state.
In conclusion the utility model has the following beneficial effects: on-line monitoring of the technology of Internet of things applied to flow, leads to
It crosses associated communication interface to connect with internet-of-things terminal, be connected followed by GPRS, Internet with control centre server, into
Row data exchange reaches flow monitoring, control purpose.
Detailed description of the invention
Fig. 1 is the schematic diagram of Internet of Things module in embodiment；
Fig. 2 is the circuit diagram of power circuit in embodiment；
Fig. 3 is the circuit diagram of boot-strap circuit in embodiment；
Fig. 4 is the circuit diagram of serial port circuit in embodiment；
Fig. 5 is the circuit diagram of SIM card interface circuit in embodiment；
Fig. 6 is the circuit diagram of antennal interface connection circuit in embodiment；
Fig. 7 is the circuit diagram of network condition indicating circuit in embodiment.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: a kind of flux remote monitoring system based on Internet of Things, as shown in Figure 1, including Internet of Things module, power supply
Circuit, boot-strap circuit, serial port circuit, data wireless transmission circuit, network condition indicating circuit, in the present embodiment Internet of Things mould
Block uses SIM800C.
As shown in Fig. 2, power circuit is used to for the voltage of input power being converted into the operating voltage of Internet of Things module, power supply
Circuit includes voltage stabilizing chip U101, resistance R101, R102, capacitor C101, C102, C103, C104, inductance L101, FB101, and two
Pole pipe D101.The power supply of Internet of Things module is 3.4~4.4V, and power input is DC voltage 12V input, by DC-DC
It is transformed to 3.9~4.0V and gives Internet of Things module for power supply.
As shown in figure 3, boot-strap circuit includes divider resistance R103, R104, the collector connection of triode Q1, triode Q1
The PWRKEY pin of Internet of Things module.The PORKEY of Internet of Things module is booting control, when detecting PORKEY is low level,
Starting up.PORKEY is height, and Internet of Things module resets, unless detecting low level again, otherwise Internet of Things module will not be opened
It is dynamic.Internet of Things module, which uses, powers on self-starting boot-strap circuit, the collector of the external control triode Q1 of PORKEY.Triode Q1's
Control base stage pull-up power supply.Powering on rear triode Q1 control base voltage is high level, and triode Q1 conducting, collector exports low
Level starts the booting of Internet of Things module to PORKEY pin.Internet of Things module provides a pin, at Internet of Things module booting
After normal operating conditions, which can export high level, and user can judge Internet of Things module by the level of the pin
Whether in booting working condition.Then user is discharged by dragging down PWRKEY pin at least 1 second, open Internet of Things module
Machine, this pin are pulled upward to VBAT in Internet of Things inside modules.
As shown in figure 4, serial port circuit includes TX interface circuit and RX interface circuit, TX interface circuit include resistance R109,
R110, R111, triode Q3, RX interface circuit is identical as TX interface circuit, and this will not be repeated here.It is designed in global functional serial port
In, when Internet of Things module UART1_TXD exports high level, triode Q3 controls Vbe cut-off, and triode Q3 is disconnected, triode
Q3 collector signal is height, and RS485 interface obtains high level by pull-up resistor 4.7K at this time, realizes Internet of Things module UART1_
Transmission of the TXD high level to RS485 interface RXD；When Internet of Things module UART1_TXD exports low level, triode Q3 passes through
Pull-up resistor 4.7K controls Vbe, and triode Q3 conducting, triode Q3 collector signal drags down the RXD interface for passing to RS485, real
The existing low level transmission of Internet of Things module UART1_TXD；
In design, when the TXD of RS485 interface exports high level, triode Q3 controls Vbe cut-off, and triode Q3 is disconnected,
Triode Q3 collector signal is height, and Internet of Things module UART1_RXD obtains high level by pull-up resistor 4.7K at this time, is realized
Transmission of the RS485 interface high level to Internet of Things module UART1_RXD；When the RXD of RS485 interface exports low level, three poles
Pipe Q3 controls Vbe by pull-up resistor 4.7K, and triode Q3 conducting, triode Q3 collector signal, which drags down, passes to RS485 interface,
Realize the RXD interface low level of RS485 to the transmission of Internet of Things module UART1_RXD.
As a same reason, similar electrical level match is also used in the design of half function serial ports.
As it can be seen in figures 5 and 6, data wireless transmission circuit includes that SIM card interface circuit connects circuit, SIM with antennal interface
Card interface circuit is for connecting SIM card；Antennal interface connects circuit, for data on flows to be uploaded Cloud Server.SIM card interface
Then circuit connection SIM card, which identify for GSM network client identity, connects circuit for data on flows information by antennal interface
Upload cloud server.
As shown in figure 5, SIM card interface circuit includes rectifier bridge, resistance R105, R106, R107, filter capacitor C105,
C106.The resistance of string in the interface is for the impedance between matching module and SIM card, and data signal line SIM_DATA is in module
Portion does not pull up.
As shown in fig. 6, antennal interface connection circuit includes filter capacitor C107, C108, resistance 108 and GSM antenna module.
GSM antenna module is connected using the microstrip line or strip line and the antenna leads of module of 50 Ω of characteristic impedance.Signal reception is drawn
Foot can know tetra- frequency ranges of GSM850, EGSM900, DCS1800, the PCS1900 detected in Pin31:GSM_ANT
Not, meet GSM Phase2/2+ standard.
As shown in fig. 7, network condition indicating circuit is used to drive the LED light of instruction network state, network state instruction electricity
Road includes triode Q2, divider resistance R109, R110, pull-up resistor R10 and light emitting diode D102.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of flux remote monitoring system based on Internet of Things, it is characterised in that: including Internet of Things module, power circuit, open
Electromechanical road, serial port circuit, data wireless transmission circuit,
Power circuit, for the voltage of input power to be converted into the operating voltage of Internet of Things module；
Boot-strap circuit, for driving Internet of Things module to be switched on；
Serial port circuit is connected for client, receives client traffic data；
Data wireless transmission circuit, for client traffic data to be uploaded Cloud Server.
2. a kind of flux remote monitoring system based on Internet of Things according to claim 1, it is characterised in that: the Internet of Things
Net module uses SIM800.
3. a kind of flux remote monitoring system based on Internet of Things according to claim 2, it is characterised in that: the power supply
Circuit includes voltage stabilizing chip U101, resistance R101, R102, capacitor C101, C102, C103, C104, inductance L101, FB101, and two
Pole pipe D101.
4. a kind of flux remote monitoring system based on Internet of Things according to claim 2, it is characterised in that: the booting
Circuit includes divider resistance R103, R104, and the PWRKEY of the collector attachment networking module of triode Q1, triode Q1 draws
Foot.
5. a kind of flux remote monitoring system based on Internet of Things according to claim 2, it is characterised in that: the data
Wireless transmission circuit includes that SIM card interface circuit with antennal interface connects circuit,
SIM card interface circuit, for connecting SIM card；
Antennal interface connects circuit, for data on flows to be uploaded Cloud Server.
6. a kind of flux remote monitoring system based on Internet of Things according to claim 5, it is characterised in that: the SIM
Card interface circuit includes rectifier bridge, resistance R105, R106, R107, filter capacitor C105, C106.
7. a kind of flux remote monitoring system based on Internet of Things according to claim 5, it is characterised in that: the antenna
Interfacing circuitry includes filter capacitor C107, C108, resistance 108 and GSM antenna module.
8. a kind of flux remote monitoring system based on Internet of Things according to claim 1, it is characterised in that: the flow
Remote monitoring system further includes network condition indicating circuit, and the network condition indicating circuit includes triode Q2, divider resistance
R109, R110, pull-up resistor R10 and light emitting diode D102.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821665624.5U CN208707680U (en) | 2018-10-13 | 2018-10-13 | A kind of flux remote monitoring system based on Internet of Things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821665624.5U CN208707680U (en) | 2018-10-13 | 2018-10-13 | A kind of flux remote monitoring system based on Internet of Things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208707680U true CN208707680U (en) | 2019-04-05 |
Family
ID=65948177
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821665624.5U Expired - Fee Related CN208707680U (en) | 2018-10-13 | 2018-10-13 | A kind of flux remote monitoring system based on Internet of Things |
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| CN (1) | CN208707680U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416414A (en) * | 2020-04-22 | 2020-07-14 | 上海移远通信技术股份有限公司 | Charging and discharging control system and charging and discharging control circuit of super capacitor |
-
2018
- 2018-10-13 CN CN201821665624.5U patent/CN208707680U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416414A (en) * | 2020-04-22 | 2020-07-14 | 上海移远通信技术股份有限公司 | Charging and discharging control system and charging and discharging control circuit of super capacitor |
| CN111416414B (en) * | 2020-04-22 | 2021-09-21 | 上海移远通信技术股份有限公司 | Charging and discharging control system and charging and discharging control circuit of super capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 Termination date: 20211013 |