CN209545586U - A kind of SCM Based power carrier communication circuit - Google Patents
A kind of SCM Based power carrier communication circuit Download PDFInfo
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- CN209545586U CN209545586U CN201920692487.2U CN201920692487U CN209545586U CN 209545586 U CN209545586 U CN 209545586U CN 201920692487 U CN201920692487 U CN 201920692487U CN 209545586 U CN209545586 U CN 209545586U
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Abstract
The utility model discloses a kind of SCM Based power carrier communication circuits, including MCU control module, voltage acquisition module circuit, current acquisition module circuit, CS5464 Acquisition Circuit, power carrier communication modular circuit and LCD MODULE circuit, voltage acquisition module circuit and current acquisition module circuit are connect with CS5464 Acquisition Circuit, CS5464 Acquisition Circuit is connect with MCU control module, MCU control module respectively with power carrier communication modular circuit and LCD MODULE circuit connection.The utility model is by measure voltage & current, to acquire the basic parameter of electric system, using existing power line as transmission medium, carries out remote transmission, is not necessarily to special laying medium.Circuit is simple, anti-interference ability is good, efficiency of transmission is high, at low cost.
Description
Technical field
The utility model can be applied in some industries by power carrier communication, especially some high-voltage fence equipment
Volume remote monitor supervision area, and in particular to a kind of SCM Based power carrier communication circuit.
Background technique
Support energetically with country to power grid cause, all parts of the country are substantially all the power train that can see national grid
How system realizes the long-range monitoring and telecommunication of power grid, it appears particularly important.Therefore it needs a kind of to acquire electric system
Basic parameter, then can be carried out the circuit of remote transmission realize power grid it is long-range monitoring and telecommunication.
Summary of the invention
Technical problem to be solved in the utility model is to provide one kind in view of the above shortcomings of the prior art based on monolithic
The power carrier communication circuit of machine, based on the power carrier communication circuit of single-chip microcontroller by measure voltage & current, to acquire electricity
The basic parameter of Force system carries out remote transmission using existing power line as transmission medium, is not necessarily to special laying medium.Electricity
Road is simple, anti-interference ability is good, efficiency of transmission is high, at low cost.
To realize the above-mentioned technical purpose, the technical solution that the utility model is taken are as follows:
A kind of SCM Based power carrier communication circuit, including MCU control module, voltage acquisition module circuit, electricity
Flow acquisition module circuit, CS5464 Acquisition Circuit, power carrier communication modular circuit and LCD MODULE circuit, the voltage
Acquisition module circuit and current acquisition module circuit are connect with CS5464 Acquisition Circuit, the CS5464 Acquisition Circuit and MCU
Control module connection, the MCU control module respectively with power carrier communication modular circuit and LCD MODULE circuit connection,
The MCU control module, current acquisition module circuit, CS5464 Acquisition Circuit, power carrier communication modular circuit and liquid crystal
Show that modular circuit is respectively connected with power supply.
As the further improved technical solution of the utility model, the MCU control module uses single-chip microcontroller
The pin 9 of STC12C5A60S2, the single-chip microcontroller STC12C5A60S2 are connected with one end of capacitor C1 and resistance R1 simultaneously, described
The other end of capacitor C1 connects power supply, and the other end of the resistance R1 connects ground wire, and the single-chip microcontroller STC12C5A60S2's draws
Foot 40 connects power supply, and the pin 18 of the single-chip microcontroller STC12C5A60S2 connects crystal oscillator Y2, the other end and list of the crystal oscillator Y2
The pin 19 of piece machine STC12C5A60S2 connects, and the pin 18 of the single-chip microcontroller STC12C5A60S2 is by capacitor C3 connection
The pin 19 of line, the single-chip microcontroller STC12C5A60S2 passes through capacitor C5 connection ground wire.
As the further improved technical solution of the utility model, the voltage acquisition module circuit includes isolating transformer
T1, resistance R4, resistance R5, resistance R8, capacitor C7, capacitor C8 and capacitor C11, the isolating transformer T1 primary side for acquiring
AC signal and primary side one end are connected with resistance R4, secondary side one end of the isolating transformer T1 simultaneously with resistance R5, capacitor C7,
One end of capacitor C8 and the connection of CS5464 Acquisition Circuit, the secondary side other end of the isolating transformer T1 simultaneously with resistance R8,
Capacitor C11, the other end of capacitor C8 and the connection of CS5464 Acquisition Circuit, the resistance R5, resistance R8, capacitor C7 and capacitor
The other end of C11 is all connected with ground wire.
As the further improved technical solution of the utility model, the current acquisition module circuit includes current transformer
CSM025A, resistance R6, resistance R7, resistance R9, resistance R10, capacitor C9, capacitor C10 and capacitor C13, the current transformer
CSM025A for acquiring current signal, the output end of the current transformer CSM025A simultaneously with resistance R6, resistance R7 and electricity
Hold one end connection of C9, the other end of the resistance R6 is connect with one end of capacitor C10 and CS5464 Acquisition Circuit simultaneously, described
The other end of capacitor C10 and one end of resistance R10 are connect with CS5464 Acquisition Circuit, and the other end of the resistance R10 is simultaneously
Connect with one end of capacitor C13, one end of resistance R9 and ground wire, the resistance R9, capacitor C13, capacitor C9 and resistance R7 it is another
One end is all connected with ground wire.
As the further improved technical solution of the utility model, the CS5464 Acquisition Circuit includes electricity chip
CS5464 and its peripheral circuit, the peripheral circuit of the electricity chip CS5464 include capacitor C2, capacitor C4, capacitor C6, capacitor
One end with capacitor C2 simultaneously of pin 1 of C12, capacitor C14, resistance R2, resistance R3 and crystal oscillator Y2, the electricity chip CS5464
It is connected with one end of crystal oscillator Y1, the pin 28 of the electricity chip CS5464 is another with one end of capacitor C4 and crystal oscillator Y1 simultaneously
The other end of end connection, the capacitor C2 and capacitor C4 are all connected with ground wire, and the pin 3 of the electricity chip CS5464 connects electricity
The pin 4 in source, electricity chip CS5464 passes through capacitor C6 connection power supply, pin 4, pin 7 and the pin 8 of electricity chip CS5464
It is all connected with ground wire, the pin 11 and pin 12 of electricity chip CS5464 is connect with one end of capacitor C12, electricity chip CS5464
Pin 13, pin 14 and capacitor C12 the other end be all connected with ground wire, the pin 18 of electricity chip CS5464 is simultaneously and capacitor
One end of C14 is connected with power supply, and the pin 21 of electricity chip CS5464 is connect with resistance R2 and resistance R3 simultaneously, the resistance R2
The other end connect power supply, the pin 17 of the other end of resistance R3, the other end of capacitor C14 and electricity chip CS5464 connects
Ground line, the pin 19 of the electricity chip CS5464 simultaneously in current acquisition module circuit capacitor C10 and resistance R10 connect
It connects, the pin 20 of electricity chip CS5464 is connect with the resistance R6 in current acquisition module circuit, and electricity chip CS5464's draws
Foot 9 is connect with one end of the capacitor C8 in voltage acquisition module circuit, the pin 10 and voltage acquisition mould of electricity chip CS5464
The other end of capacitor C8 in block circuit connects, the pin 5 and the single-chip microcontroller in MCU control module of the electricity chip CS5464
The pin 28 of STC12C5A60S2 connects, and the pin 6 of electricity chip CS5464 and the pin 27 of single-chip microcontroller STC12C5A60S2 connect
It connects, the pin 27 of electricity chip CS5464 is connect with the pin 26 of single-chip microcontroller STC12C5A60S2, and electricity chip CS5464's draws
Foot 23 is connect with the pin 25 of single-chip microcontroller STC12C5A60S2.
As the further improved technical solution of the utility model, the power carrier communication modular circuit includes KQ-
The pin 6 of 330F, the KQ-330F are connect with the pin 11 of the single-chip microcontroller STC12C5A60S2 in MCU control module, KQ-
The pin 9 of 330F is connect with the pin 10 of single-chip microcontroller STC12C5A60S2, and the pin 8 of KQ-330F connects one end of resistance R12,
One end of the other end connection capacitor C20 of resistance R12, the other end of capacitor C20 connect cathode, the resistance of diode D5 simultaneously
The collector of one end of R13 and the base stage of triode Q1, triode Q1 connects the one of capacitor C18, inductance L2 and capacitor C19 simultaneously
The other end at end, capacitor C18 connects the other end of inductance L2 and the cathode of diode D1, the anode and capacitor of diode D1 simultaneously
One end of C17 is all connected with power supply, and the other end of capacitor C17 connects ground wire, and the other end of capacitor C19 connects resistance R11's simultaneously
Primary side one end of one end, the cathode of Schottky diode D4 and transformer T2, the anode of diode D5, resistance R13 the other end,
The primary side other end of the emitter of triode Q1, the anode of Schottky diode D4 and transformer T2 is all connected with ground wire, transformer
One end of secondary side one end connection plug P2 of T2, the secondary side other end of transformer T2 pass sequentially through inductance L3 and capacitor C21 and insert
The other end connection of head P2, one end of the other end connection capacitor C15 of resistance R11, the other end of capacitor C15 connect KQ- simultaneously
The pin 1 of 330F, one end of inductance L1, one end of capacitor C16, the cathode of diode D2 and diode D3 anode, inductance L1
The other end, the other end of capacitor C16, the anode of diode D2 and diode D3 cathode be all connected with ground wire, KQ-330F's draws
For foot 3 by capacitor C22 connection ground wire, the pin 2 of KQ-330F connects ground wire, and the pin 4 of KQ-330F connects power supply, KQ-330F
Pin 7 by resistance R15 connection power supply, the pin 7 and pin 5 of KQ-330F is connect with optocoupler U5, and optocoupler U5 is connected simultaneously
The anode of one end of diode D6 and resistance R14, diode D6 is connect with secondary side one end of transformer T2, and resistance R14's is another
End is connect with capacitor C21, and the plug P2 is used for signal loading in the alternating current line of force.
As the further improved technical solution of the utility model, the LCD MODULE circuit includes liquid crystal display
The data port of LCD12864 and exclusion B1, liquid crystal display LCD12864 are connect with exclusion B1, liquid crystal display LCD12864 with
The single-chip microcontroller STC12C5A60S2 connection of MCU control module.
The utility model has the following beneficial effects: the utility model is started with from the long-range monitoring of power grid, examined by voltage and current
It surveys, to acquire the basic parameter of electric system, then using existing power line as transmission medium, remote transmission is carried out, in electric power
Any point of line can be read out signal, be not necessarily to special laying medium.This circuit operation principle is simple and reliable, anti-
Interference performance is good, efficiency of transmission is high, at low cost, is of great significance to the wireless transmission of energy.
Detailed description of the invention
Fig. 1 is the schematic block circuit diagram of the present embodiment.
Fig. 2 is the circuit theory schematic diagram of the present embodiment.
Specific embodiment
Specific embodiment of the present utility model is further illustrated with reference to the accompanying drawing, the utility model is only
Description to the utility model embodiment, does not have any restrictions to the scope of the utility model.
In order to realize remote transmission of the signal on power line, circuit diagram as shown in Figure 1 is devised.It is i.e. a kind of based on single
The power carrier communication circuit of piece machine, including MCU control module, voltage acquisition module circuit, current acquisition module circuit,
CS5464 Acquisition Circuit, power carrier communication modular circuit and LCD MODULE circuit, the voltage acquisition module circuit and
Current acquisition module circuit is connect with CS5464 Acquisition Circuit, and the CS5464 Acquisition Circuit is connect with MCU control module, institute
MCU control module is stated respectively with power carrier communication modular circuit and LCD MODULE circuit connection, and the MCU controls mould
Block, current acquisition module circuit, CS5464 Acquisition Circuit, power carrier communication modular circuit and LCD MODULE circuit connect
It is connected to power supply, power supply is used to power for other circuits.
Referring to fig. 2, the MCU control module of the present embodiment uses single-chip microcontroller STC12C5A60S2(U2), the single-chip microcontroller
The pin 9 of STC12C5A60S2 is connected with one end of capacitor C1 and resistance R1, the other end connection+5V electricity of the capacitor C1 simultaneously
The other end in source, the resistance R1 connects ground wire, and the 40 connection+5V power supply of pin of the single-chip microcontroller STC12C5A60S2 is described
The pin 18 of single-chip microcontroller STC12C5A60S2 connects crystal oscillator Y2, and the other end of the crystal oscillator Y2 is with single-chip microcontroller STC12C5A60S2's
Pin 19 connects, and the pin 18 of the single-chip microcontroller STC12C5A60S2 passes through capacitor C3 connection ground wire, the single-chip microcontroller
The pin 19 of STC12C5A60S2 passes through capacitor C5 connection ground wire.
The MCU control module of the present embodiment uses CPU of the STC12C5A60S2 as whole system, the meter of complete paired data
It calculates, processing, transmission.The function of electrification reset is realized by capacitor C1, resistance R1.By capacitor C3, capacitor C5 and crystal oscillator Y2 come
Clock circuit is provided to single-chip microcontroller.
Referring to fig. 2, the voltage acquisition module circuit of the present embodiment includes isolating transformer T1, resistance R4, resistance R5, resistance
R8, capacitor C7, capacitor C8 and capacitor C11, the primary side of isolating transformer T1 is used to acquire AC signal and primary side one end is connected with
Secondary side one end of resistance R4, isolating transformer T1 acquire electricity with resistance R5, capacitor C7, one end of capacitor C8 and CS5464 simultaneously
Road connection, the secondary side other end of isolating transformer T1 while the other end and CS5464 with resistance R8, capacitor C11, capacitor C8
Acquisition Circuit connection, resistance R5, resistance R8, capacitor C7 and capacitor C11 the other end be all connected with ground wire.
In voltage collection circuit, pass through the isolating transformer T1 of a 2mA:2mA, mainly to acquire 220V/380V's
AC signal converts current signal for voltage signal by resistance R4.By resistance R5, resistance R8 and capacitor C7, capacitor C8,
Capacitor C11 improves the voltage signal of acquisition, is then passed to CS5464 Acquisition Circuit and carries out voltage acquisition.
Referring to fig. 2, the current acquisition module circuit of the present embodiment includes current transformer CSM025A, resistance R6, resistance
R7, resistance R9, resistance R10, capacitor C9, capacitor C10 and capacitor C13, the current transformer CSM025A are for acquiring electric current letter
Number, the output end of the current transformer CSM025A is connect with one end of resistance R6, resistance R7 and capacitor C9 simultaneously, the electricity
The other end for hindering R6 is connect with one end of capacitor C10 and CS5464 Acquisition Circuit simultaneously, the other end and resistance of the capacitor C10
One end of R10 is connect with CS5464 Acquisition Circuit, the other end of the resistance R10 while one end with capacitor C13, resistance R9
One end connected with ground wire, the resistance R9, capacitor C13, capacitor C9 and resistance R7 the other end be all connected with ground wire.
In current collection circuit, current acquisition is mainly carried out by current transformer CSM025A, specified range is
25A is exported as current signal, is converted voltage signal for current signal by resistance R7, resistance R9, pass through capacitor C9, capacitor
C13, capacitor C10, resistance R10 carry out signal condition, are then passed to CS5464 Acquisition Circuit and carry out current acquisition.
Referring to fig. 2, the CS5464 Acquisition Circuit of the present embodiment includes electricity chip CS5464(U3) and its peripheral circuit, institute
The peripheral circuit for stating electricity chip CS5464 includes capacitor C2, capacitor C4, capacitor C6, capacitor C12, capacitor C14, resistance R2, electricity
The pin 1 of resistance R3 and crystal oscillator Y2, the electricity chip CS5464 are connect with one end of one end of capacitor C2 and crystal oscillator Y1 simultaneously, institute
It states the pin 28 of electricity chip CS5464 while being connect with the other end of one end of capacitor C4 and crystal oscillator Y1, the capacitor C2 and electricity
The other end for holding C4 is all connected with ground wire, the 3 connection+5V power supply of pin of the electricity chip CS5464, electricity chip CS5464's
Pin 4 is all connected with ground wire, electricity by capacitor C6 connection+5V power supply, pin 4, pin 7 and the pin 8 of electricity chip CS5464
The pin 11 and pin 12 of chip CS5464 is connect with one end of capacitor C12, pin 13, the pin 14 of electricity chip CS5464
It is all connected with ground wire with the other end of capacitor C12, the pin 18 of electricity chip CS5464 is electric with one end of capacitor C14 and+5V simultaneously
Source connection, the pin 21 of electricity chip CS5464 connects with resistance R2 and resistance R3 simultaneously, and the other end of the resistance R2 connects+
The pin 17 of 5V power supply, the other end of resistance R3, the other end of capacitor C14 and electricity chip CS5464 is all connected with ground wire, institute
State electricity chip CS5464 pin 19 simultaneously in current acquisition module circuit capacitor C10 and resistance R10 connect, electricity core
The pin 20 of piece CS5464 is connect with the resistance R6 in current acquisition module circuit, the pin 9 and voltage of electricity chip CS5464
One end of capacitor C8 in acquisition module circuit connects, in the pin 10 and voltage acquisition module circuit of electricity chip CS5464
The other end of capacitor C8 connects, the pin 5 and the single-chip microcontroller in MCU control module of the electricity chip CS5464
The pin 28 of STC12C5A60S2 connects, and the pin 6 of electricity chip CS5464 and the pin 27 of single-chip microcontroller STC12C5A60S2 connect
It connects, the pin 27 of electricity chip CS5464 is connect with the pin 26 of single-chip microcontroller STC12C5A60S2, and electricity chip CS5464's draws
Foot 23 is connect with the pin 25 of single-chip microcontroller STC12C5A60S2.
In CS5464 Acquisition Circuit, signal processing is mainly carried out by electricity chip CS5464, in the periphery of CS5464
In circuit, clock reference is provided to chip by capacitor C2, capacitor C4, crystal oscillator Y1, capacitor C6, capacitor C14 play the work of filtering
With.
Referring to fig. 2, the power carrier communication modular circuit of the present embodiment includes KQ-330F(U4), the KQ-330F's draws
Foot 6 is connect with the pin 11 of the single-chip microcontroller STC12C5A60S2 in MCU control module, the pin 9 and single-chip microcontroller of KQ-330F
The pin 10 of STC12C5A60S2 connects, and the pin 8 of KQ-330F connects one end of resistance R12, the other end connection of resistance R12
The other end of one end of capacitor C20, capacitor C20 connects the cathode of diode D5, one end of resistance R13 and triode Q1 simultaneously
Base stage, the collector of triode Q1 connect one end of capacitor C18, inductance L2 and capacitor C19 simultaneously, and the other end of capacitor C18 is same
When the other end of connection inductance L2 and the cathode of diode D1, anode and one end of capacitor C17 of diode D1 be all connected with power supply,
The other end of capacitor C17 connects ground wire, and the other end of capacitor C19 connects one end of resistance R11, Schottky diode D4 simultaneously
Primary side one end of cathode and transformer T2, the anode of diode D5, the other end of resistance R13, triode Q1 emitter, Xiao Te
The anode of based diode D4 and the primary side other end of transformer T2 are all connected with ground wire, secondary side one end connection plug P2 of transformer T2
One end, the secondary side other end of transformer T2 passes sequentially through inductance L3 and capacitor C21 is connect with the other end of plug P2, resistance
One end of the other end connection capacitor C15 of R11, the other end of capacitor C15 connect simultaneously the pin 1 of KQ-330F, inductance L1 one
End, one end of capacitor C16, the cathode of diode D2 and diode D3 anode, the other end of inductance L1, capacitor C16 it is another
The cathode at end, the anode of diode D2 and diode D3 is all connected with ground wire, and the pin 3 of KQ-330F is by capacitor C22 connection
Line, the pin 2 of KQ-330F connect ground wire, and the pin 4 of KQ-330F connects 5V power supply, and the pin 7 of KQ-330F passes through resistance R15
5V power supply is connected, the pin 7 and pin 5 of KQ-330F is connect with optocoupler U5, and optocoupler U5 connects diode D6 and resistance simultaneously
The anode of one end of R14, diode D6 is connect with secondary side one end of transformer T2, and the other end and capacitor C21 of resistance R14 connects
It connects.
In power carrier communication modular circuit, single-chip microcontroller STC12C5A60S2 passes through the data transmission that serial ports will transmit
To KQ-330F, 6 feet of KQ-330F are modulated signal input terminal, meet the TXD of single-chip microcontroller STC12C5A60S2.9 feet are after demodulating
The output end of signal meets the RXD of single-chip microcontroller STC12C5A60S2.In the capacitor C22 of 2 feet and an indirect 470uF for 3 feet, protect
The ripple demonstrate,proved on internal simulation power supply is less than 2mV.
Optocoupler U5, diode D6, resistance R14 form a zero cross detection circuit, connect 5 feet and 7 feet in KQ-330F.
When KQ-330F work in sending mode, exported by 8 feet, convert the signal to square wave and exported in 8 feet,
The base stage that triode Q1 is reached by resistance R12 and capacitor C20, then drives again by capacitor C18, capacitor C19, inductance L2, Xiao
The sine wave conversion circuit that special based diode D 4 is formed converts the signal to sine wave, increases driving capability, passes through transformer
T2 is sent.P2 is the plug of 2 cores, can be by the signal loading after conversion in the alternating current line of force of 220V.
When KQ-330F work is in reception pattern, signal is mainly obtained from power line by transformer T2, is then led to
The signal conversion circuit being made of resistance R11, capacitor C15, diode D2, diode D3, capacitor C16, inductance L1 is crossed, will be acquired
To AC signal be converted into square-wave signal, 1 foot for being then sent through KQ-330F is demodulated, and after demodulation, data can be passed through
Serial ports is then forwarded to single-chip microcontroller STC12C5A60S2.
Referring to fig. 2, the LCD MODULE circuit of the present embodiment includes liquid crystal display LCD12864(U1) and exclusion B1,
The data port of liquid crystal display LCD12864 connects exclusion B1, the single-chip microcontroller of liquid crystal display LCD12864 and MCU control module
STC12C5A60S2 connection.In LCD MODULE circuit, the display of information is mainly carried out by LCD12864, in data
The exclusion B1 of mouth plus a 5.1K increases the reliability of data transmission.
Attached drawing in the present embodiment is the circuit diagram of transmitting terminal, in receiving end, does not need to carry out measure voltage & current,
But need power carrier communication modular circuit to acquire signal from power line, then data processing carried out by single-chip microcontroller, then into
(power carrier communication circuit i.e. in receiving end includes MCU control module, power carrier communication modular circuit and liquid crystal for row display
Display module circuit), the working principle of receiving end is identical as the working principle of the attached drawing in the present embodiment, repeats no more.
By test, entire circuit anti-interference is good, the operation is stable, efficiency of transmission are high, long transmission distance, it is most important that
Without being specially laid with transmission medium, it is of great significance in power network monitoring industry.
Test shows that this circuit can carry out the transmission of signal by power line, first by collected voltage, electric current etc.
Signal is modulated, and is modulated into the high-frequency signal of 132KHZ, by carrier module by this signal loading in the alternating current line of force,
Then signal is read in any point of power line to be demodulated again, original signal is restored.This circuit reliable operation,
Long transmission distance does not need special transmission medium, and transmission cost is low, and practical application value with higher may extend to electricity
The industries such as the long-range monitoring of net.
The above, only with the preferable specific embodiment of the utility model, but the protection scope of the utility model and office
It is limited to this, anyone skilled in the art can want to readily occur in the technical scope that the utility model discloses
Change or replacement, should all cover in protection scope of the utility model etc.Therefore, the protection scope of the utility model should
Subject to the scope of protection of the claims.
Claims (7)
1. a kind of SCM Based power carrier communication circuit, which is characterized in that including MCU control module, voltage acquisition mould
Block circuit, current acquisition module circuit, CS5464 Acquisition Circuit, power carrier communication modular circuit and LCD MODULE electricity
Road, the voltage acquisition module circuit and current acquisition module circuit are connect with CS5464 Acquisition Circuit, and the CS5464 is adopted
Collector is connect with MCU control module, the MCU control module respectively with power carrier communication modular circuit and liquid crystal display mode
Block circuit connection, the MCU control module, current acquisition module circuit, CS5464 Acquisition Circuit, power carrier communication module electricity
Road and LCD MODULE circuit are respectively connected with power supply.
2. SCM Based power carrier communication circuit according to claim 1, which is characterized in that the MCU control
Module uses single-chip microcontroller STC12C5A60S2, and the pin 9 of the single-chip microcontroller STC12C5A60S2 is connected with capacitor C1 and electricity simultaneously
One end of R1 is hindered, the other end of the capacitor C1 connects power supply, and the other end of the resistance R1 connects ground wire, the single-chip microcontroller
The pin 40 of STC12C5A60S2 connects power supply, and the pin 18 of the single-chip microcontroller STC12C5A60S2 connects crystal oscillator Y2, the crystalline substance
The other end of vibration Y2 is connect with the pin 19 of single-chip microcontroller STC12C5A60S2, and the pin 18 of the single-chip microcontroller STC12C5A60S2 is logical
Capacitor C3 connection ground wire is crossed, the pin 19 of the single-chip microcontroller STC12C5A60S2 passes through capacitor C5 connection ground wire.
3. SCM Based power carrier communication circuit according to claim 1, which is characterized in that the voltage acquisition
Modular circuit includes isolating transformer T1, resistance R4, resistance R5, resistance R8, capacitor C7, capacitor C8 and capacitor C11, the isolation
The primary side of transformer T1 is used to acquire AC signal and primary side one end is connected with resistance R4, the secondary side one of the isolating transformer T1
End is connect with resistance R5, capacitor C7, one end of capacitor C8 and CS5464 Acquisition Circuit simultaneously, the pair of the isolating transformer T1
The side other end is connect with resistance R8, capacitor C11, the other end of capacitor C8 and CS5464 Acquisition Circuit simultaneously, the resistance R5,
The other end of resistance R8, capacitor C7 and capacitor C11 are all connected with ground wire.
4. SCM Based power carrier communication circuit according to claim 3, which is characterized in that the current acquisition
Modular circuit includes current transformer CSM025A, resistance R6, resistance R7, resistance R9, resistance R10, capacitor C9, capacitor C10 and electricity
Hold C13, the current transformer CSM025A is for acquiring current signal, and the output end of the current transformer CSM025A is simultaneously
Connect with one end of resistance R6, resistance R7 and capacitor C9, the other end of the resistance R6 simultaneously with one end of capacitor C10 and
The connection of CS5464 Acquisition Circuit, the other end of the capacitor C10 and one end of resistance R10 are connect with CS5464 Acquisition Circuit,
The other end of the resistance R10 is connect with one end of capacitor C13, one end of resistance R9 and ground wire simultaneously, the resistance R9, capacitor
The other end of C13, capacitor C9 and resistance R7 are all connected with ground wire.
5. SCM Based power carrier communication circuit according to claim 4, which is characterized in that the CS5464 is adopted
Collector includes electricity chip CS5464 and its peripheral circuit, the peripheral circuit of the electricity chip CS5464 include capacitor C2,
Capacitor C4, capacitor C6, capacitor C12, capacitor C14, resistance R2, resistance R3 and crystal oscillator Y2, the pin 1 of the electricity chip CS5464
It is connect simultaneously with one end of one end of capacitor C2 and crystal oscillator Y1, the pin 28 of the electricity chip CS5464 is simultaneously with capacitor C4's
One end is connected with the other end of crystal oscillator Y1, and the other end of the capacitor C2 and capacitor C4 are all connected with ground wire, the electricity chip
The pin 3 of CS5464 connects power supply, and the pin 4 of electricity chip CS5464 passes through capacitor C6 connection power supply, electricity chip CS5464
Pin 4, pin 7 and pin 8 be all connected with ground wire, the pin 11 and pin 12 of electricity chip CS5464 with capacitor C12 one
End connection, the other end of the pin 13 of electricity chip CS5464, pin 14 and capacitor C12 are all connected with ground wire, electricity chip
The pin 18 of CS5464 is connect with one end of capacitor C14 and power supply simultaneously, the pin 21 of electricity chip CS5464 while and resistance
R2 is connected with resistance R3, and the other end of the resistance R2 connects power supply, the other end of resistance R3, the other end of capacitor C14 and
The pin 17 of electricity chip CS5464 is all connected with ground wire, the pin 19 of the electricity chip CS5464 while and current acquisition module
Capacitor C10 in circuit is connected with resistance R10, the pin 20 and the resistance in current acquisition module circuit of electricity chip CS5464
The pin 9 of R6 connection, electricity chip CS5464 is connect with one end of the capacitor C8 in voltage acquisition module circuit, electricity chip
The pin 10 of CS5464 is connect with the other end of the capacitor C8 in voltage acquisition module circuit, and the electricity chip CS5464's draws
Foot 5 is connect with the pin 28 of the single-chip microcontroller STC12C5A60S2 in MCU control module, the pin 6 and list of electricity chip CS5464
The pin 27 of piece machine STC12C5A60S2 connects, the pin 27 of electricity chip CS5464 and the pin of single-chip microcontroller STC12C5A60S2
26 connections, the pin 23 of electricity chip CS5464 are connect with the pin 25 of single-chip microcontroller STC12C5A60S2.
6. SCM Based power carrier communication circuit according to claim 2, which is characterized in that the power carrier
Communication module circuit includes KQ-330F, the pin 6 and the single-chip microcontroller STC12C5A60S2 in MCU control module of the KQ-330F
Pin 11 connect, the pin 9 of KQ-330F connect with the pin 10 of single-chip microcontroller STC12C5A60S2, the company of pin 8 of KQ-330F
One end of connecting resistance R12, one end of the other end connection capacitor C20 of resistance R12, the other end of capacitor C20 connect two poles simultaneously
The cathode of pipe D5, one end of resistance R13 and triode Q1 base stage, the collector of triode Q1 connects capacitor C18, inductance simultaneously
The other end of one end of L2 and capacitor C19, capacitor C18 connects the other end of inductance L2 and the cathode of diode D1, two poles simultaneously
The anode of pipe D1 and one end of capacitor C17 are all connected with power supply, and the other end of capacitor C17 connects ground wire, and the other end of capacitor C19 is same
When connect resistance R11 one end, the cathode of Schottky diode D4 and primary side one end of transformer T2, the anode of diode D5,
The other end of resistance R13, the emitter of triode Q1, the primary side other end of the anode of Schottky diode D4 and transformer T2 are equal
Ground wire, one end of secondary side one end connection plug P2 of transformer T2 are connected, the secondary side other end of transformer T2 passes sequentially through inductance
L3 and capacitor C21 are connect with the other end of plug P2, and one end of the other end connection capacitor C15 of resistance R11, capacitor C15's is another
One end connects the cathode and diode of the pin 1 of KQ-330F, one end of inductance L1, one end of capacitor C16, diode D2 simultaneously
The anode of D3, the other end of inductance L1, the other end of capacitor C16, the anode of diode D2 and diode D3 cathode be all connected with
Ground wire, for the pin 3 of KQ-330F by capacitor C22 connection ground wire, the pin 2 of KQ-330F connects ground wire, the pin 4 of KQ-330F
Power supply is connected, by resistance R15 connection power supply, the pin 7 and pin 5 of KQ-330F connects with optocoupler U5 the pin 7 of KQ-330F
It connects, optocoupler U5 connects one end of diode D6 and resistance R14 simultaneously, and the anode of diode D6 connects with secondary side one end of transformer T2
It connects, the other end of resistance R14 is connect with capacitor C21, and the plug P2 is used for signal loading in the alternating current line of force.
7. SCM Based power carrier communication circuit according to claim 2, which is characterized in that the liquid crystal display
Modular circuit includes liquid crystal display LCD12864 and exclusion B1, and the data port and exclusion B1 of liquid crystal display LCD12864 connects
It connects, the single-chip microcontroller STC12C5A60S2 connection of liquid crystal display LCD12864 and MCU control module.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113993223A (en) * | 2021-11-08 | 2022-01-28 | 成都信息工程大学 | Large-range pipeline detection and positioning system based on 5G double-ring communication |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113993223A (en) * | 2021-11-08 | 2022-01-28 | 成都信息工程大学 | Large-range pipeline detection and positioning system based on 5G double-ring communication |
| CN113993223B (en) * | 2021-11-08 | 2023-07-07 | 成都信息工程大学 | Large-range pipeline detection and positioning system based on 5G double-ring communication |
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