CN109785603A - A kind of RTU system of micro energy lose - Google Patents
A kind of RTU system of micro energy lose Download PDFInfo
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- CN109785603A CN109785603A CN201910130813.5A CN201910130813A CN109785603A CN 109785603 A CN109785603 A CN 109785603A CN 201910130813 A CN201910130813 A CN 201910130813A CN 109785603 A CN109785603 A CN 109785603A
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Abstract
The present invention provides a kind of RTU systems of micro energy lose of remote terminal control field, including a power module, a wireless communication module, a MCU and a remote terminal group；The power module includes a power input unit, a 2G/4G power supply unit, a NB-IOT power supply unit and a MCU power supply unit；The output end of the power input unit is connect with the input terminal of the 2G/4G power supply unit and NB-IOT power supply unit respectively；The output end of the 2G/4G power supply unit and NB-IOT power supply unit is connect with the input terminal of the wireless communication module；The input terminal of the MCU power supply unit is connect with the output end of the NB-IOT power supply unit, and output end is connect with the input terminal of the MCU；The wireless communication module and remote terminal group are connect with the MCU respectively.The present invention has the advantages that reducing the power consumption of RTU.
Description
Technical field
The present invention relates to remote terminal control fields, refer in particular to a kind of RTU system of micro energy lose.
Background technique
The Chinese name of RTU is remote terminal control system, is responsible for the monitoring and control to on-site signal, industrial equipment.
RTU is the key equipment in remote measuring and controlling system, undertakes data acquisition process, storage and the vital task of forwarding, plays
Descend the Link role reached.
Since RTU has monitoring point distribution wide, and the feature that working environment is severe, many working environments, which are not easy wiring, to be caused
Without commercial power supply, battery can only be taken to be powered.And traditional RTU is due to the wireless communication skill using 2G/4G/NB-IOT
Art, the flexibility of communication with higher, but have the shortcomings that power consumption is high, so that battery needs regular maintenance, into
And improve the cost remotely monitored.
Therefore, the power consumption for how reducing RTU becomes one and kowtows problem to be solved.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of RTU system of micro energy lose, realizes the power consumption for reducing RTU.
The present invention is implemented as follows: a kind of RTU system of micro energy lose, including a power module, a wireless communication module,
One MCU and a remote terminal group；The power module includes a power input unit, a 2G/4G power supply unit, a NB-IOT
Power supply unit and a MCU power supply unit；
The output end of the power input unit is defeated with the 2G/4G power supply unit and NB-IOT power supply unit respectively
Enter end connection；The output end of the 2G/4G power supply unit and NB-IOT power supply unit is defeated with the wireless communication module
Enter end connection；The input terminal of the MCU power supply unit is connect with the output end of the NB-IOT power supply unit, output end with it is described
The input terminal of MCU connects；The wireless communication module and remote terminal group are connect with the MCU respectively.
Further, the power input unit includes a power input CON1, a magnetic bead FB1, a magnetic bead FB2, one
Fuse FUSE1, a protection pipe D5, a diode D3, a diode D4, an electrolytic capacitor C9, a capacitor C10, a capacitor C11
An and resistance R19；
One end of the power input CON1 is connect with magnetic bead FB1, and the other end is connect with magnetic bead FB2；The magnetic bead FB2
Ground connection；One end of the fuse FUSE1 is connect with magnetic bead FB1, the other end respectively with the protection pipe D5 and diode D3
Input terminal connection；The protection pipe D5 ground connection；The output end of the diode D3 respectively with electrolytic capacitor C9, resistance R19 with
And the input terminal connection of diode D4；The electrolytic capacitor C9 ground connection；The resistance R19 is connect with NB-IOT power supply unit；Institute
The output end for stating diode D4 is connect with capacitor C10, capacitor C11 and 2G/4G power supply unit respectively；The capacitor C10 and
Capacitor C11 is grounded.
Further, the 2G/4G power supply unit includes a power supply chip U2, a resistance R15, a resistance R16, a resistance
R17, a resistance R18, a resistance R20, a capacitor C8, a capacitor C12, a solid capacitor C13, a capacitor C14, a capacitor C15,
One capacitor C16, a capacitor C17, a capacitor C18, a resistance R15, a resistance R16, a resistance R17, a resistance R18, a resistance
R20, a diode D2 and an inductance L3；
The end VIN of the power supply chip U2 is connect with power input unit；The end EN of the power supply chip U2 respectively with electricity
Hinder R16 and resistance R17 connection, the resistance R17 ground connection；One end of the capacitor C14 is connect with the end SS of power supply chip U2,
Other end ground connection；One end of the capacitor C8 is connect with the end BOOT of power supply chip U2, the other end respectively with the power supply chip
The end PH of U2, the output end of diode D2 and inductance L3 connection；The input terminal of the diode D2 and the GND of power supply chip U2
It is grounded after the connection of end；The end COMP of the power supply chip U2 is connect with capacitor C17 and capacitor C18 respectively；The capacitor C17 connects
Ground；One end of the resistance R20 is connect with the capacitor C18, other end ground connection；The end VSNS of the power supply chip U2 respectively with
Resistance R15 and resistance R18 connection；The resistance R18 ground connection；The resistance R15 respectively with inductance L3, solid capacitor C13, electricity
Hold C12, capacitor C15, capacitor C16 and wireless communication module connection；The solid capacitor C13, capacitor C12, capacitor C15 and
Capacitor C16 is grounded.
Further, the NB-IOT power supply unit includes a power supply chip U3, a capacitor C21, a capacitor C22, an electricity
Hold C23, a capacitor C27, a resistance R21, a resistance R22, a resistance R23, a resistance R24 and an inductance L4；
The end PVIN of the power supply chip U3 connects with resistance R22, capacitor C21, capacitor C22 and power input unit respectively
It connects, the capacitor C21 and capacitor C22 are grounded；The end EN of the power supply chip U3 is connect with resistance R22；The capacitor C27
One end connect with the end SS/TR of power supply chip U3, the other end ground connection；The end DEF, the end FSW, PGND of the power supply chip U3
End, the end AGND and the end ETPad are grounded；One end of the inductance L4 and the end SW1, the end SW2 and the end SW3 of power supply chip U3
Connection, the other end respectively with the resistance R21, resistance R23, capacitor C23, the end VOS of power supply chip U3, wireless communication module with
And MCU power supply unit connection；The end PG of the power supply chip U3 is connect with resistance R23；Distinguish at the end FB of the power supply chip U3
It is connect with resistance R21 and resistance R24；The resistance R24 and capacitor C23 are grounded.
Further, the MCU power supply unit includes a linear regulator chip U4, a capacitor C19, a capacitor C20, an electricity
Hold C24, a capacitor C25 and a capacitor C26；
The end VIN and the end VIN2 of the linear regulator chip U4 respectively with capacitor C24, capacitor C25, capacitor C26 and
The connection of NB-IOT power supply unit；The capacitor C24, capacitor C25 and capacitor C26 are grounded；The linear regulator chip U4's
The end GND ground connection；The end VOUT of the linear regulator chip U4 is connect with capacitor C19, capacitor C20 and MCU respectively；The capacitor
C19 and capacitor C20 are grounded.
Further, the wireless communication module includes a NB-IOT communication unit and a 2G/4G communication unit；
One end of the NB-IOT communication unit is connect with the NB-IOT power supply unit, and the other end is connect with the MCU；
One end of the 2G/4G communication unit is connect with the 2G/4G power supply unit, and the other end is connect with the MCU.
Further, the remote terminal group includes a plurality of system terminals, one 485 communication units and a plurality of outsides
Terminal；The system terminal is connect with the MCU；One end of 485 communication unit is connect with the MCU, the other end and institute
State exterior terminal connection.
The present invention has the advantages that by by the power module be divided into power input unit, 2G/4G power supply unit,
NB-IOT power supply unit and MCU power supply unit realize that the 2G/4G power supply unit of high power consumption is independently-powered, NB- of low-power consumption
IOT power supply unit and MCU power supply unit are independently-powered, thereby reduce a kind of whole function of the RTU system of micro energy lose
Consumption.
Detailed description of the invention
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is a kind of schematic block circuit diagram of the RTU system of micro energy lose of the present invention.
Fig. 2 is the circuit diagram of power module of the present invention.
Fig. 3 is the circuit diagram of 485 communication units of the invention.
Fig. 4 is the circuit diagram of exterior terminal connection MCU of the present invention.
Specific embodiment
Please refer to figs. 1 to 4, a kind of preferred embodiment of the RTU system of micro energy lose of the present invention, including a power supply mould
Block, a wireless communication module, a MCU and a remote terminal group；The power module be used for the wireless communication module with
And MCU power supply, the wireless communication module with the MCU for communicating, and the remote terminal group is for remotely monitoring；The electricity
Source module includes a power input unit, a 2G/4G power supply unit, a NB-IOT power supply unit and a MCU power supply unit；It is logical
It crosses and the power module is divided into power input unit, 2G/4G power supply unit, NB-IOT power supply unit and MCU power supply list
Member realizes that the independently-powered 2G/4G power supply unit of high power consumption, NB-IOT power supply unit of low-power consumption and MCU power supply unit are only
Vertical power supply, thereby reduces a kind of overall power of the RTU system of micro energy lose；The model of the MCU
MSP430F5438A。
The output end of the power input unit is defeated with the 2G/4G power supply unit and NB-IOT power supply unit respectively
Enter end connection；The output end of the 2G/4G power supply unit and NB-IOT power supply unit is defeated with the wireless communication module
Enter end connection；The input terminal of the MCU power supply unit is connect with the output end of the NB-IOT power supply unit, output end with it is described
The input terminal of MCU connects；The wireless communication module and remote terminal group are connect with the MCU respectively.
The power input unit includes a power input CON1, a magnetic bead FB1, a magnetic bead FB2, a fuse
FUSE1, a protection pipe D5, a diode D3, a diode D4, an electrolytic capacitor C9, a capacitor C10, a capacitor C11 and one
Resistance R19；The power input unit is used for the 2G/4G power supply unit, NB-IOT power supply unit and MCU power supply unit
Power supply, and circuit protection is provided；
One end of the power input CON1 is connect with magnetic bead FB1, and the other end is connect with magnetic bead FB2；The magnetic bead FB2
Ground connection；One end of the fuse FUSE1 is connect with magnetic bead FB1, the other end respectively with the protection pipe D5 and diode D3
Input terminal connection；The protection pipe D5 ground connection；The output end of the diode D3 respectively with electrolytic capacitor C9, resistance R19 with
And the input terminal connection of diode D4；The electrolytic capacitor C9 ground connection；The resistance R19 is connect with NB-IOT power supply unit；Institute
The output end for stating diode D4 is connect with capacitor C10, capacitor C11 and 2G/4G power supply unit respectively；The capacitor C10 and
Capacitor C11 is grounded.
The 2G/4G power supply unit includes a power supply chip U2, a resistance R15, a resistance R16, a resistance R17, an electricity
Hinder R18, a resistance R20, a capacitor C8, a capacitor C12, a solid capacitor C13, a capacitor C14, a capacitor C15, a capacitor
C16, a capacitor C17, a capacitor C18, a resistance R15, a resistance R16, a resistance R17, a resistance R18, a resistance R20, one
A diode D2 and inductance L3；Model TPS54331, the TPS54331 chip of the power supply chip U2 is a 28V, 3A
Non-synchronous buck converter is integrated with the high-end MOSFET of low RDS (on), in order to improve efficiency at light load, automatic sensitizing pulse
Jump Eco mode capabilities；In addition, 1 μ A power cutoff electric current allows device to be used for battery power applications.
The end VIN of the power supply chip U2 is connect with power input unit；The end EN of the power supply chip U2 respectively with electricity
Hinder R16 and resistance R17 connection, the resistance R17 ground connection；One end of the capacitor C14 is connect with the end SS of power supply chip U2,
Other end ground connection；One end of the capacitor C8 is connect with the end BOOT of power supply chip U2, the other end respectively with the power supply chip
The end PH of U2, the output end of diode D2 and inductance L3 connection；The input terminal of the diode D2 and the GND of power supply chip U2
It is grounded after the connection of end；The end COMP of the power supply chip U2 is connect with capacitor C17 and capacitor C18 respectively；The capacitor C17 connects
Ground；One end of the resistance R20 is connect with the capacitor C18, other end ground connection；The end VSNS of the power supply chip U2 respectively with
Resistance R15 and resistance R18 connection；The resistance R18 ground connection；The resistance R15 respectively with inductance L3, solid capacitor C13, electricity
Hold C12, capacitor C15, capacitor C16 and wireless communication module connection；The solid capacitor C13, capacitor C12, capacitor C15 and
Capacitor C16 is grounded.
The NB-IOT power supply unit includes a power supply chip U3, a capacitor C21, a capacitor C22, a capacitor C23, an electricity
Hold C27, a resistance R21, a resistance R22, a resistance R23, a resistance R24 and an inductance L4；The type of the power supply chip U3
Number be TPS62150RGTR, have the advantages that low-power consumption；
The end PVIN of the power supply chip U3 connects with resistance R22, capacitor C21, capacitor C22 and power input unit respectively
It connects, the capacitor C21 and capacitor C22 are grounded；The end EN of the power supply chip U3 is connect with resistance R22；The capacitor C27
One end connect with the end SS/TR of power supply chip U3, the other end ground connection；The end DEF, the end FSW, PGND of the power supply chip U3
End, the end AGND and the end ETPad are grounded；One end of the inductance L4 and the end SW1, the end SW2 and the end SW3 of power supply chip U3
Connection, the other end respectively with the resistance R21, resistance R23, capacitor C23, the end VOS of power supply chip U3, wireless communication module with
And MCU power supply unit connection；The end PG of the power supply chip U3 is connect with resistance R23；Distinguish at the end FB of the power supply chip U3
It is connect with resistance R21 and resistance R24；The resistance R24 and capacitor C23 are grounded.
The MCU power supply unit includes a linear regulator chip U4, a capacitor C19, a capacitor C20, a capacitor C24, one
A capacitor C25 and capacitor C26；The model MCP1702T-3302E/MB of the linear regulator chip U4, for stablizing output
Voltage；
The end VIN and the end VIN2 of the linear regulator chip U4 respectively with capacitor C24, capacitor C25, capacitor C26 and
The connection of NB-IOT power supply unit；The capacitor C24, capacitor C25 and capacitor C26 are grounded；The linear regulator chip U4's
The end GND ground connection；The end VOUT of the linear regulator chip U4 is connect with capacitor C19, capacitor C20 and MCU respectively；The capacitor
C19 and capacitor C20 are grounded.
The wireless communication module includes a NB-IOT communication unit and a 2G/4G communication unit；NB-IOT is IOT neck
The emerging technology in one, domain supports low power consuming devices to connect in the cellular data of wide area network, also referred to as low-power consumption wide area network
(LPWAN)；NB-IoT supports stand-by time length, the efficient connection to network connectivity requirements higher device.The NB-IOT communication
Unit with the MCU for being communicated, in the specific implementation, as long as selection is able to achieve the NB- of this function from the prior art
IOT communication unit, however it is not limited to which which kind of model, this is that those skilled in the art do not need to make the creative labor and can obtain
?.The 2G/4G communication unit with the MCU for being communicated, in the specific implementation, as long as selecting from the prior art
It is able to achieve the 2G/4G communication unit of this function, however it is not limited to which which kind of model, this is that those skilled in the art do not need to pay
What creative work can be obtained.
One end of the NB-IOT communication unit is connect with the NB-IOT power supply unit, and the other end is connect with the MCU；
One end of the 2G/4G communication unit is connect with the 2G/4G power supply unit, and the other end is connect with the MCU.
The remote terminal group includes a plurality of system terminals, one 485 communication units and a plurality of exterior terminals；It is described
System terminal is connect with the MCU；One end of 485 communication unit is connect with the MCU, the other end and the exterior terminal
Connection.The exterior terminal includes reset circuit, condition indication circuit, oscillating circuit, electric quantity detecting circuit etc..Described 485 is logical
Letter unit with the MCU and exterior terminal for being communicated, in the specific implementation, as long as selection can be real from the prior art
485 communication units of this existing function, however it is not limited to which which kind of model, this is that those skilled in the art do not need to pay creativeness
What labour can be obtained.
Working principle of the present invention:
The power supply of input is divided into two-way by the power module, is communicated all the way by the 2G/4G power supply unit to 2G/4G
Unit power supply, another way are powered by the NB-IOT power supply unit to NB-IOT communication unit, and NB-IOT power supply is single
Member is powered by MCU power supply unit to the MCU, to separate high power consumption circuit and low consumption circuit, and is arranged by the MCU
Timer is timed suspend mode to the 2G/4G power supply unit, further decreases power consumption to reach；The NB-IOT communication unit
And 2G/4G communication unit is communicated with the MCU；The MCU is remotely monitored by the remote terminal group.
In conclusion the present invention has the advantages that by the way that the power module is divided into power input unit, 2G/4G
Power supply unit, NB-IOT power supply unit and MCU power supply unit realize that the 2G/4G power supply unit of high power consumption is independently-powered, low function
The NB-IOT power supply unit and MCU power supply unit of consumption are independently-powered, thereby reduce a kind of RTU system of micro energy lose
Overall power.
Although specific embodiments of the present invention have been described above, those familiar with the art should be managed
Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, it is familiar with this
The technical staff in field should be covered of the invention according to modification and variation equivalent made by spirit of the invention
In scope of the claimed protection.
Claims (7)
1. a kind of RTU system of micro energy lose, it is characterised in that: including a power module, a wireless communication module, a MCU and
One remote terminal group；The power module includes a power input unit, a 2G/4G power supply unit, a NB-IOT power supply unit
An and MCU power supply unit；
The output end of the power input unit input terminal with the 2G/4G power supply unit and NB-IOT power supply unit respectively
Connection；Input terminal of the output end of the 2G/4G power supply unit and NB-IOT power supply unit with the wireless communication module
Connection；The input terminal of the MCU power supply unit is connect with the output end of the NB-IOT power supply unit, output end and the MCU
Input terminal connection；The wireless communication module and remote terminal group are connect with the MCU respectively.
2. a kind of RTU system of micro energy lose as described in claim 1, it is characterised in that: the power input unit includes one
Power input CON1, a magnetic bead FB1, a magnetic bead FB2, a fuse FUSE1, a protection pipe D5, a diode D3, one or two poles
Pipe D4, an electrolytic capacitor C9, a capacitor C10, a capacitor C11 and a resistance R19；
One end of the power input CON1 is connect with magnetic bead FB1, and the other end is connect with magnetic bead FB2；The magnetic bead FB2 connects
Ground；One end of the fuse FUSE1 is connect with magnetic bead FB1, and the other end is respectively with the protection pipe D5's and diode D3
Input terminal connection；The protection pipe D5 ground connection；The output end of the diode D3 respectively with electrolytic capacitor C9, resistance R19 and
The input terminal of diode D4 connects；The electrolytic capacitor C9 ground connection；The resistance R19 is connect with NB-IOT power supply unit；It is described
The output end of diode D4 is connect with capacitor C10, capacitor C11 and 2G/4G power supply unit respectively；The capacitor C10 and electricity
Hold C11 to be grounded.
3. a kind of RTU system of micro energy lose as described in claim 1, it is characterised in that: the 2G/4G power supply unit includes one
Power supply chip U2, a resistance R15, a resistance R16, a resistance R17, a resistance R18, a resistance R20, a capacitor C8, a capacitor
C12, a solid capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17, a capacitor C18, a resistance
R15, a resistance R16, a resistance R17, a resistance R18, a resistance R20, a diode D2 and an inductance L3；
The end VIN of the power supply chip U2 is connect with power input unit；The end EN of the power supply chip U2 respectively with resistance R16
And resistance R17 connection, the resistance R17 ground connection；One end of the capacitor C14 is connect with the end SS of power supply chip U2, another
End ground connection；One end of the capacitor C8 is connect with the end BOOT of power supply chip U2, and the other end is respectively with the power supply chip U2's
The end PH, the output end of diode D2 and inductance L3 connection；The input terminal of the diode D2 and the end GND of power supply chip U2 connect
It is grounded after connecing；The end COMP of the power supply chip U2 is connect with capacitor C17 and capacitor C18 respectively；The capacitor C17 ground connection；
One end of the resistance R20 is connect with the capacitor C18, other end ground connection；The end VSNS of the power supply chip U2 respectively with electricity
Hinder R15 and resistance R18 connection；The resistance R18 ground connection；The resistance R15 respectively with inductance L3, solid capacitor C13, capacitor
C12, capacitor C15, capacitor C16 and wireless communication module connection；The solid capacitor C13, capacitor C12, capacitor C15 and electricity
Hold C16 to be grounded.
4. a kind of RTU system of micro energy lose as described in claim 1, it is characterised in that: the NB-IOT power supply unit includes
One power supply chip U3, a capacitor C21, a capacitor C22, a capacitor C23, a capacitor C27, a resistance R21, a resistance R22, an electricity
Hinder R23, a resistance R24 and an inductance L4；
The end PVIN of the power supply chip U3 is connect with resistance R22, capacitor C21, capacitor C22 and power input unit respectively,
The capacitor C21 and capacitor C22 are grounded；The end EN of the power supply chip U3 is connect with resistance R22；The capacitor C27's
One end is connect with the end SS/TR of power supply chip U3, other end ground connection；The end DEF of the power supply chip U3, the end FSW, the end PGND,
The end AGND and the end ETPad are grounded；One end of the inductance L4 and the end SW1, the end SW2 and the end SW3 of power supply chip U3 connect
Connect, the other end respectively with the resistance R21, resistance R23, capacitor C23, the end VOS of power supply chip U3, wireless communication module and
The connection of MCU power supply unit；The end PG of the power supply chip U3 is connect with resistance R23；The end FB of the power supply chip U3 respectively with
Resistance R21 and resistance R24 connection；The resistance R24 and capacitor C23 are grounded.
5. a kind of RTU system of micro energy lose as described in claim 1, it is characterised in that: the MCU power supply unit includes a line
Property voltage stabilizing chip U4, a capacitor C19, a capacitor C20, a capacitor C24, a capacitor C25 and a capacitor C26；
The end VIN and the end VIN2 of the linear regulator chip U4 respectively with capacitor C24, capacitor C25, capacitor C26 and NB-
The connection of IOT power supply unit；The capacitor C24, capacitor C25 and capacitor C26 are grounded；The GND of the linear regulator chip U4
End ground connection；The end VOUT of the linear regulator chip U4 is connect with capacitor C19, capacitor C20 and MCU respectively；The capacitor C19
And capacitor C20 is grounded.
6. a kind of RTU system of micro energy lose as described in claim 1, it is characterised in that: the wireless communication module includes one
NB-IOT communication unit and a 2G/4G communication unit；
One end of the NB-IOT communication unit is connect with the NB-IOT power supply unit, and the other end is connect with the MCU；It is described
One end of 2G/4G communication unit is connect with the 2G/4G power supply unit, and the other end is connect with the MCU.
7. a kind of RTU system of micro energy lose as described in claim 1, it is characterised in that: the remote terminal group includes plural number
A system terminal, one 485 communication units and a plurality of exterior terminals；The system terminal is connect with the MCU；Described 485
One end of communication unit is connect with the MCU, and the other end is connect with the exterior terminal.
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