CN103151837B - Multipath centralized monitoring meter - Google Patents

Multipath centralized monitoring meter Download PDF

Info

Publication number
CN103151837B
CN103151837B CN201310052530.6A CN201310052530A CN103151837B CN 103151837 B CN103151837 B CN 103151837B CN 201310052530 A CN201310052530 A CN 201310052530A CN 103151837 B CN103151837 B CN 103151837B
Authority
CN
China
Prior art keywords
pin
resistance
ground connection
capacitor
power supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201310052530.6A
Other languages
Chinese (zh)
Other versions
CN103151837A (en
Inventor
黄曦
邱仁峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Weisheng Information Technology Co ltd
Willfar Information Technology Co Ltd
Original Assignee
CHANGSHA WASION INFORMATION TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHANGSHA WASION INFORMATION TECHNOLOGY Co Ltd filed Critical CHANGSHA WASION INFORMATION TECHNOLOGY Co Ltd
Priority to CN201310052530.6A priority Critical patent/CN103151837B/en
Publication of CN103151837A publication Critical patent/CN103151837A/en
Application granted granted Critical
Publication of CN103151837B publication Critical patent/CN103151837B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Landscapes

  • Small-Scale Networks (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention discloses a multipath centralized monitoring meter which comprises a power supply unit, a GPRS (General Packet Radio Service) monitoring unit, an RS485 monitoring unit, an ESAM (Embedded Secure Access Module) monitoring unit and a carrier monitoring unit. Concentrated design for a circuit of a multipath collecting unit is adopted by the multipath centralized monitoring meter; input and output interfaces are unified; the switching and coordination of the concentrator in a power grid system and the signals, such as a TTL signal, a RS232 signal, a RS485 signal and the like of the meter, are realized; and the transmission for different signals is realized. A general chip in the market is taken as the chip of the multipath centralized monitoring meter and a male mould is taken as an outer shell, so that the cost is low; the concentration degree is high, so that a user is convenient to wire and mount; all interfaces are subjected to isolating treatment, so that the tested equipment is effectively protected and the use is safe; and the system is stable, the function is strong and the application scope is wide. The invention effectively solves the problems that different monitors are configured for different signals, the wire is complex, the potential safety hazards are more, and the like. An important firm basis is established for realizing a 'full-collecting, full-covering and full-fee-control' intelligent electric usage information collecting system for a power grid.

Description

Multichannel centralized monitor instrument
Technical field
The present invention relates to a kind of intelligent grid equipment, particularly a kind of multichannel centralized monitor instrument.
Background technology
At present, in existing scheme, adopt discrete acquisition mode, by separate hardware, utilize RS485 RS 232 adapter to realize intelligent electric meter 485 data communication monitoring; Utilize GPRS module to realize the data communication monitoring to concentrator main website; Due to the particularity of ESAM module (enciphered data amount is large, Acquisition Circuit need isolation), market does not have to realize the equipment that ESAM module gathers, and causes realizing the centralized monitor to ESAN module.Utilize now centralized monitor software that the data of each several part separate devices collection are carried out to holistic management, analyzed, reach the object of centralized monitor.But existing scheme, owing to adopting discrete equipment, causes wiring complicated, and cost is high, and fault point is many, is difficult for administering and maintaining.
Summary of the invention
The object of this invention is to provide a kind of multiple functional and easy to operate multichannel centralized monitor instrument.
This multichannel centralized monitor instrument provided by the invention, comprise power subsystem, GPRS monitoring unit, RS485 monitoring unit, ESAM monitoring unit and carrier wave monitoring unit, GPRS monitoring unit is connected with the GPRS interface of acquisition terminal by signal input interface, be used for intercepting collection GPRS communication data, also be connected with the communication interface of master station by signal output interface, for GPRS communication monitoring data are sent to master station simultaneously; RS485 monitoring unit is connected with the RS485 interface of electric energy meter to be monitored by signal input interface, be used for intercepting collection electric energy meter RS485 communication data, this unit is also connected with the communication interface of master station by signal output interface simultaneously, for RS485 communication monitoring data are sent to master station; ESAM monitoring unit is connected with the ESAM module interface of electric energy meter by signal output interface, for electric energy meter being carried out to long-distance identity-certifying, data encryption and data deciphering operation, this unit is also connected with the communication interface of master station by signal output interface simultaneously, for the object information of long-distance identity-certifying result and data encryption and deciphering is sent to master station; Carrier wave monitoring unit is connected with the power carrier module interface of carrier electric energy meter by signal input interface, for intercepting the carrier communication data that gather carrier electric energy meter, also be connected with the communication interface of master station by signal output interface, for power line carrier Monitoring Data is sent to master station simultaneously; Power subsystem converts single-phase alternating current to direct current, is described GPRS monitoring unit, RS485 monitoring unit, ESAM monitoring unit and the power supply of carrier wave monitoring unit.
Described GPRS monitoring unit comprises serial port chip IC1; Serial port chip IC1 adopts the signal conversion chip that the model of TI company is SN65C3221EDBR;
2 pin of serial port chip IC1 are connected with its 4 pin by capacitor C 13, its 5 pin is connected with its 6 pin by capacitor C 14, its 9 pin is connected with transmitting terminal TXD by resistance R 18, for output string port communications data, this 9 pin is also connected with power supply VCC by resistance R 20, and its 11 pin is connected with power supply VCC by resistance R 21, and its 11 pin is connected with receiving terminal RXD by resistance R 19, be used for receiving serial communication data, this 11 pin is also connected with the anode of diode D1, diode D2 respectively by after resistance R 19, the negative electrode of diode D1 is connected with 1 pin of signal input interface J1, and for receiving the data TXD1 of GPRS hair line, the negative electrode of diode D2 is connected with 2 pin of signal input interface J1, for receiving the data RXD1 of GPRS take-up, 3 pin of serial port chip IC1 are by the rear ground connection of capacitor C 15, its 7 pin is by the rear ground connection of capacitor C 16, its 15 pin is connected with power supply VCC, this 15 pin is by the rear ground connection of capacitor C 17 simultaneously, its 8 pin is by resistance R 22 ground connection after spark pipe DZ4 of connecting, this 8 pin is connected with 6 pin of signal output interface J2 by resistance R 22 simultaneously, be used for exporting GPRS communication monitoring signal GPRS3, its 13 pin is by resistance R 23 ground connection after spark pipe DZ5 of connecting, this 13 pin is connected with 1 pin of signal output interface J2 by resistance R 23 simultaneously, be used for exporting GPRS communication monitoring signal GPRS2, its 16 pin meets power supply VCC, this 16 pin is by capacitor C 17 ground connection simultaneously, its 1 pin, 12 pin and the equal ground connection of 14 pin.
Described RS485 monitoring unit comprises transceiver ic 6, optocoupler IC9, optocoupler IC10 and serial port chip IC3; Transceiver ic 6 adopts the transceiver that the model of MAXIM company is MAX13085EESA; Serial port chip IC3 adopts the conversion chip that the model of TI company is SN65C3221EDBR;
6 pin of transceiver ic 6 are connected with 7 pin of signal input interface J1 by resistance R 35, for transmission of signal RS485A, this 6 pin also by resistance R 35 connect bi-directional voltage stabilizing diode DZ9 again series resistance R36 be connected with 7 pin of this transceiver, this 6 pin is also by ground connection after spark pipe DZ6 simultaneously, and be connected with its 8 pin by resistance R 25, its 8 pin is connected with power supply VCC, this 8 pin is also by capacitor C 18 ground connection, its 7 pin is connected with 8 pin of signal input interface J1 by resistance R 36, for transmission of signal RS485B, this 7 pin is also by ground connection after spark pipe DZ10 simultaneously, this 7 pin is connected with 5 pin of this transceiver by resistance R 37, its 4 pin and 5 pin ground connection, its 1 pin is connected with the negative electrode pin of optocoupler IC9, after being connected with 3 pin, its 2 pin is connected with the emitter-base bandgap grading pin of optocoupler IC10,
The anode pin of optocoupler IC9 is connected with power supply VCC by resistance R 38, its emitter-base bandgap grading pin ground connection, and this emitter-base bandgap grading pin is connected with power supply VCC by capacitor C 27 series resistance R26 simultaneously, and its collector electrode pin is connected with 11 pin of serial port chip IC3 by resistance R 42;
The emitter-base bandgap grading pin of optocoupler IC10 is by resistance R 39 ground connection, and by capacitor C 26 ground connection, its collector electrode pin meets power supply VCC simultaneously, and its anode pin is connected with power supply VCC by resistance R 40, and its negative electrode pin is connected with 9 pin of serial port chip IC3 by resistance R 41;
The 1 pin ground connection of serial port chip IC3, its 2 pin is connected with its 4 pin by capacitor C 19, its 5 pin is connected with its 6 pin by capacitor C 28, its 9 pin is connected with power supply VCC by resistance R 28, its 11 pin is connected with power supply VCC by resistance R 43, its 3 pin is by capacitor C 29 ground connection, its 7 pin is by capacitor C 30 ground connection, its 15 pin is by capacitor C 24 ground connection, this 15 pin is connected with power supply VCC simultaneously, 12 pin of serial port chip IC3 and the equal ground connection of its 14 pin, its 8 pin is by resistance R 45 ground connection after spark pipe DZ11 of connecting, this 8 pin is connected with 8 pin of signal output interface J2 by resistance R 45 simultaneously, for transmission of signal 485-3, its 13 pin is by resistance R 46 ground connection after spark pipe DZ12 of connecting, this 13 pin is connected with 3 pin of signal output interface J2 by resistance R 46 simultaneously, for transmission of signal 485-2, its 16 pin is connected with power supply VCC, this 16 pin is by capacitor C 24 ground connection simultaneously.
Described ESAM monitoring unit comprises MCU, optocoupler IC11, optocoupler IC12 and serial port chip IC4; MCU adopts the low-power scm that the model of Renesas is R8C/L38B; Serial port chip IC4 adopts the conversion chip that the model of TI company is SN65C3221EDBR;
1 pin of MCU is connected with the collector electrode pin of optocoupler IC12, for transmitting the IO signal ESAM-IO1 of ESAM, its 2 pin is connected with its 1 pin by resistance R 8, its 5 pin meets power supply VCC, simultaneously by capacitor C 100 ground connection, its 6 pin is connected with power supply VCC by resistance R 9, simultaneously by resistance R 9 series capacitance C100 ground connection, this 6 pin is also connected with 2 pin of connector JP1, for transfer mode signal MODE, its 9 pin is connected with power supply VCC by resistance R 10, simultaneously by resistance R 10 series capacitance C100 ground connection, this 9 pin is also connected with 3 pin of connector JP1, be used for transmitting reset signal PRST, its 10 pin transmits output signal XOUT, this 10 pin is by capacitor C 1 ground connection simultaneously, its 12 pin transmits input signal XIN, this 12 pin is by capacitor C 2 ground connection simultaneously, after crystal oscillator Y1 and resistance R 1 parallel connection, be connected between 10 pin and 12 pin of this MCU, 13 pin of this MCU are connected with power supply VCC, simultaneously by capacitor C 3 ground connection, its 14 pin is connected with the collector electrode pin of optocoupler IC11, be used for transmitting ESAM clock signal ESAM-CLK1, its 44 pin is connected with 9 pin of serial port chip IC4 by resistance R 12, its 45 pin is connected with 11 pin of this serial port chip by resistance R 13, its 4 pin, 11 pin ground connection,
The anode pin of optocoupler IC11 is connected with power supply VCC1 by resistance R 103, its negative electrode pin is connected with 5 pin of signal input interface J1, be used for transmitting ESAM clock signal ESAM-CLK, its emitter-base bandgap grading pin ground connection is connected with power supply VCC by capacitor C 101 series resistance R105 simultaneously;
The anode pin of optocoupler IC12 is connected with power supply VCC1 by resistance R 104, its negative electrode pin is connected with 4 pin of signal input interface J1, for transmitting the IO signal ESAM-IO of ESAM, its emitter-base bandgap grading pin ground connection is connected with power supply VCC by capacitor C 102 series resistance R106 simultaneously;
2 pin of serial port chip IC4 are connected with its 4 pin by capacitor C 8, its 5 pin is connected with its 6 pin by capacitor C 9, its 9 pin is connected with power supply VCC by resistance R 14, its 11 pin is connected with power supply VCC by resistance R 24, its 3 pin is by the rear ground connection of capacitor C 10, its 7 pin is by the rear ground connection of capacitor C 11, its 15 pin is connected with power supply VCC, this 15 pin is by capacitor C 12 ground connection simultaneously, its 8 pin is by resistance R 15 ground connection after spark pipe DZ2 of connecting, this 8 pin is connected with 9 pin of signal output interface J2 by resistance R 15 simultaneously, be used for exporting ESAM monitor signal ESAM3, its 13 pin is by resistance R 16 ground connection after spark pipe DZ3 of connecting, this 13 pin is connected with 4 pin of signal output interface J2 by resistance R 16 simultaneously, be used for exporting ESAM monitor signal ESAM2, its 16 pin meets power supply VCC, this 16 pin is by capacitor C 12 ground connection simultaneously, its 1 pin, 12 pin and the equal ground connection of 14 pin.
Described carrier wave monitoring unit comprises serial port chip IC2, binding post XS6, binding post XS5 and binding post JP2; Binding post XS6 is 22 core connectors, and binding post XS5 is 20 core connectors, and binding post JP2 is 12 core connectors; Binding post XS6, binding post XS5 and binding post JP2 are an entirety, are the interfaces being connected with power carrier module;
The positive charge pump capacitance cathode pin C1+ of serial port chip IC2 is connected with its positive charge pump electric capacity negative pole pin C1-by capacitor C 20, its negative charge pump capacitance cathode pin C2+ is connected with its negative charge pump electric capacity negative pole pin C2-by capacitor C 21, its RS-232 receiver output pin ROUT is connected with power supply VCC by resistance R 31, this pin ROUT is also connected with 5 pin of binding post XS6 by resistance R 29, its RS-232 driver input pin DIN is connected with power supply VCC by resistance R 32, this pin DIN is connected with 6 pin of binding post XS6 by resistance R 30, it passes through the rear ground connection of capacitor C 22 by generate+2VCC of charge pump supply pin V+, it passes through the rear ground connection of capacitor C 23 by generate-2VCC of charge pump supply pin V-, its power pin VCC is connected with power supply VCC, this pin VCC is by capacitor C 25 ground connection simultaneously, its RS-232 receiver input pin RIN is by resistance R 33 ground connection after spark pipe DZ7 of connecting, this pin RIN is connected with 7 pin of signal output interface J2 by resistance R 33 simultaneously, for outgoing carrier communication monitoring signal ZB3, its RS-232 driver output pin DOUT is by resistance R 34 ground connection after spark pipe DZ8 of connecting, this pin DOUT is connected with 2 pin of signal output interface J2 by resistance R 34 simultaneously, for outgoing carrier communication monitoring signal ZB2, it forces to close pin meet power supply VCC, this pressure is simultaneously closed pin by capacitor C 25 ground connection, its enable pin , force open pipe pin FORCEON and ground pin GND equal ground connection,
1 pin, 2 pin, 21 pin and the equal ground connection of 22 pin of binding post XS6, its 3 pin is connected with the power supply V15P0 of power subsystem respectively with 4 pin, and its 7 pin is connected with power supply VCC, and its 13 pin is connected with the power supply V3.3 of power subsystem by inductance L 3;
1 pin of binding post XS5 is held and is connected mutually with A with 2 pin, its 7 pin is held and is connected mutually with B with 8 pin, its 13 pin is held and is connected mutually with C with 14 pin, its 19 pin is held and is connected mutually with N with 20 pin, the A of this binding post one side holds mutually, B holds mutually, C holds mutually, N holds mutually with power carrier module and joins, and the A of opposite side holds mutually, B holds mutually, C holds mutually, N holds mutually with the circuit of power subsystem and is connected;
3 pin of binding post JP2 and 4 pin ground connection, its 5 pin is connected with power supply VCC.
The present invention adopts multi pass acquisition element circuit to concentrate design, and unified input/output interface is realized conversion and the coordination of the signals such as concentrator in network system, the TTL signal of showing meter, RS232 signal, RS485 signal, realizes the transmission of unlike signal.Each interface adopts isolation processing, has effectively protected equipment under test.Chip of the present invention adopts market general-purpose chip, and shell adopts male model, and cost is low; Concentration degree is high, is convenient to user's wiring and installs; Interface has isolation features, uses safety; System stability, powerful, adaptability scope is wide.The present invention efficiently solves unlike signal need be equipped with the problems such as different monitoring, circuit is numerous and diverse, potential safety hazard is many, for the power utilization information collection system used for intelligent electric network of realizing " full collection, all standing, control in full " has been established important solid foundation.
Brief description of the drawings
Fig. 1 is the circuit diagram of GPRS monitoring unit of the present invention.
Fig. 2 is the circuit diagram of RS485 monitoring unit of the present invention.
Fig. 3 is the circuit diagram of ESAM monitoring unit of the present invention.
Fig. 4 is the circuit diagram of carrier wave monitoring unit of the present invention.
Fig. 5 is the circuit diagram of interface unit of the present invention.
Fig. 6 is the circuit diagram of power subsystem of the present invention.
Fig. 7 is a kind of embodiment figure of the present invention.
Embodiment
The present invention includes power subsystem, GPRS monitoring unit, RS485 monitoring unit, ESAM monitoring unit and carrier wave monitoring unit.GPRS monitoring unit is connected with the GPRS interface of electric energy meter acquisition terminal by signal input interface, be used for intercepting collection GPRS communication data, also be connected with the communication interface of master station by signal output interface, for GPRS communication monitoring data are sent to master station simultaneously; RS485 monitoring unit is connected with the RS485 interface of electric energy meter to be monitored by signal input interface, for intercepting the data that gather electric energy meter RS485 communication, this unit is also connected with the communication interface of master station by signal output interface simultaneously, for RS485 communication monitoring data are sent to master station; ESAM monitoring unit is connected with the ESAM module interface of electric energy meter by signal output interface, for electric energy meter being carried out to long-distance identity-certifying, data encryption and data deciphering operation, this unit is also connected with the communication interface of master station by signal output interface simultaneously, for the object information of long-distance identity-certifying result and data encryption and deciphering is sent to master station; Carrier wave monitoring unit is connected with the power carrier module interface of carrier electric energy meter by signal input interface, for intercepting the carrier communication data that gather carrier electric energy meter, also be connected with the communication interface of master station by signal output interface, for power line carrier Monitoring Data is sent to master station simultaneously; Power subsystem converts single-phase alternating current to direct current, is described GPRS monitoring unit, RS485 monitoring unit, ESAM monitoring unit and the power supply of carrier wave monitoring unit.
The present invention adopts unit form, set multichannel unlike signal change-over circuit.ESAM monitoring unit adopts single-chip microcomputer reception & disposal mass data; Transmission circuit adopts isolation processing.RS485 monitoring unit also adopts isolation processing, and security performance is good.Interface unit all adopts general-purpose interface.
As shown in Figure 1, GPRS monitoring unit is for realizing the data acquisition of concentrator main website, and it comprises serial port chip IC1.
2 pin of serial port chip IC1 are connected with its 4 pin by capacitor C 13, its 5 pin is connected with its 6 pin by capacitor C 14, its 9 pin is connected with transmitting terminal TXD by resistance R 18, for output string port communications data, this pin is also connected with power supply VCC by resistance R 20, and its 11 pin is connected with power supply VCC by resistance R 21, and its 11 pin is connected with receiving terminal RXD by resistance R 19, be used for receiving serial communication data, this pin is also connected with the anode of diode D1, diode D2 respectively by after resistance R 19, the negative electrode of diode D1 is connected with 1 pin of signal input interface J1, and for receiving the data TXD1 of GPRS hair line, the negative electrode of diode D2 is connected with 2 pin of signal input interface J1, for receiving the data RXD1 of GPRS take-up, 3 pin of serial port chip IC1 are by the rear ground connection of capacitor C 15, its 7 pin is by the rear ground connection of capacitor C 16, its 15 pin is connected with power supply VCC, this pin is by the rear ground connection of capacitor C 17 simultaneously, its 8 pin is by resistance R 22 ground connection after spark pipe DZ4 of connecting, this pin is connected with 6 pin of signal output interface J2 by resistance R 22 simultaneously, be used for exporting GPRS communication monitoring signal GPRS3, its 13 pin is by resistance R 23 ground connection after spark pipe DZ5 of connecting, this pin is connected with 1 pin of signal output interface J2 by resistance R 23 simultaneously, be used for exporting GPRS communication monitoring signal GPRS2, its 16 pin meets power supply VCC, this pin is by capacitor C 17 ground connection simultaneously, its 1 pin, 12 pin and the equal ground connection of 14 pin.
Power supply VCC by resistance R 17 connect LED 3 again series resistance R19 be connected with 11 pin of serial port chip IC1, indicate for GPRS communication monitoring.This indicator light flicker, represents carrying out GPRS communication monitoring; This indicator light goes out, and represents not carry out GPRS communication monitoring.
Chip IC 1 adopts the signal conversion chip of TI company, and its model is SN65C3221EDBR, realizes Transistor-Transistor Logic level signal and converts RS232 signal to.This chip also can adopt MAX232 chip to replace.
As shown in Figure 2, RS485 monitoring unit comprises transceiver ic 6, optocoupler IC9, optocoupler IC10 and serial port chip IC3.This unit by using RS485 RS 232 adapter is realized intelligent electric meter 485 data acquisitions.
6 pin of transceiver ic 6 are connected with 7 pin of signal input interface J1 by resistance R 35, for transmission of signal RS485A, this pin also by resistance R 35 connect bi-directional voltage stabilizing diode DZ9 again series resistance R36 be connected with 7 pin of this transceiver, this pin is also by ground connection after spark pipe DZ6 simultaneously, and be connected with its 8 pin by resistance R 25, its 8 pin is connected with power supply VCC, this pin is also by capacitor C 18 ground connection, its 7 pin is connected with 8 pin of signal input interface J1 by resistance R 36, for transmission of signal RS485B, this pin is also by ground connection after spark pipe DZ10 simultaneously, and be connected with 5 pin of this transceiver by resistance R 37, its 4 pin and 5 pin ground connection, its 1 pin is connected with 2 pin of optocoupler IC9, after being connected with 3 pin, its 2 pin is connected with 3 pin of optocoupler IC10.
1 pin of optocoupler IC9 is connected with power supply VCC by resistance R 38, its 3 pin ground connection, and this pin is connected with power supply VCC by capacitor C 27 series resistance R26 simultaneously, and its 4 pin is connected with 11 pin of serial port chip IC3 by resistance R 42.
3 pin of optocoupler IC10 are by resistance R 39 ground connection, and by capacitor C 26 ground connection, its 4 pin meets power supply VCC simultaneously, and its 1 pin is connected with power supply VCC by resistance R 40, and its 2 pin is connected with 9 pin of serial port chip IC3 by resistance R 41.
The 1 pin ground connection of serial port chip IC3, its 2 pin is connected with its 4 pin by capacitor C 19, its 5 pin is connected with its 6 pin by capacitor C 28, its 9 pin is connected with power supply VCC by resistance R 28, its 11 pin is connected with power supply VCC by resistance R 43, its 3 pin is by capacitor C 29 ground connection, its 7 pin is by capacitor C 30 ground connection, its 15 pin is by capacitor C 24 ground connection, this pin is connected with power supply VCC simultaneously, 12 pin of serial port chip IC3 and the equal ground connection of its 14 pin, its 8 pin is by resistance R 45 ground connection after spark pipe DZ11 of connecting, this pin is connected with 8 pin of signal output interface J2 by resistance R 45 simultaneously, for transmission of signal 485-3, its 13 pin is by resistance R 46 ground connection after spark pipe DZ12 of connecting, this pin is connected with 3 pin of signal output interface J2 by resistance R 46 simultaneously, for transmission of signal 485-2, its 16 pin is connected with power supply VCC, this pin is by capacitor C 24 ground connection simultaneously.
The power supply VCC LED 4 of connecting, this LED 4 comprises two-way circuit of LED, riches all the way optical diode is by resistance R 27 series resistance R42, then 11 pin of the serial port chip IC3 that connects are connected, and indicates for RS485 communication monitoring.This road indicator light flicker, represents carrying out RS485 communications reception data monitoring; This road indicator light goes out, and represents not carry out RS485 communications reception data monitoring.Another road light-emitting diode, by resistance R 101 series resistance R41, is connected with 9 pin of serial port chip IC3, indicates for RS485 communication monitoring.This road indicator light flicker, represents carrying out RS485 communication and sends data monitoring; This road indicator light goes out, and represents not carry out RS485 communication and sends data monitoring.
Serial port chip IC3 adopts the conversion chip of TI company, and its model is SN65C3221EDBR; Transceiver ic 6 adopts the MAX13085EESA of MAXIM company, realizes the RS485 signal of intelligent electric meter to the conversion of RS232 signal.Circuit adopts light-coupled isolation, and security performance is good.485 adapters that this 485 data acquisition adopts market to buy.
As shown in Figure 3, ESAM monitoring unit comprises MCU, serial port chip IC4, optocoupler IC11 and optocoupler IC12.
1 pin of MCU is connected with 4 pin of optocoupler IC12, for transmitting the IO signal ESAM-IO1 of ESAM, its 2 pin is connected with its 1 pin by resistance R 8, its 5 pin meets power supply VCC, simultaneously by capacitor C 100 ground connection, its 6 pin is connected with power supply VCC by resistance R 9, simultaneously by resistance R 9 series capacitance C100 ground connection, this pin is also connected with 2 pin of connector JP1, for transfer mode signal MODE, its 9 pin is connected with power supply VCC by resistance R 10, simultaneously by resistance R 10 series capacitance C100 ground connection, this pin is also connected with 3 pin of connector JP1, be used for transmitting reset signal PRST, its 10 pin transmits output signal XOUT, this pin is by capacitor C 1 ground connection simultaneously, its 12 pin transmits input signal XIN, this pin is by capacitor C 2 ground connection simultaneously, after crystal oscillator Y1 and resistance R 1 parallel connection, be connected between 10 pin and 12 pin of this MCU, 13 pin of this MCU are connected with power supply VCC, simultaneously by capacitor C 3 ground connection, its 14 pin is connected with 4 pin of optocoupler IC11, be used for transmitting ESAM clock signal ESAM-CLK1, its 44 pin is connected with 9 pin of serial port chip IC4 by resistance R 12, its 45 pin is connected with 11 pin of this serial port chip by resistance R 13, its 4 pin, 11 pin ground connection.
1 pin of optocoupler IC11 is connected with power supply VCC1 by resistance R 103, and its 2 pin is connected with 5 pin of signal input interface J1, and for transmitting ESAM clock signal ESAM-CLK, its 3 pin ground connection is connected with power supply VCC by capacitor C 101 series resistance R105 simultaneously.
1 pin of optocoupler IC12 is connected with power supply VCC1 by resistance R 104, and its 2 pin is connected with 4 pin of signal input interface J1, and for transmitting the IO signal ESAM-IO of ESAM, its 3 pin ground connection is connected with power supply VCC by capacitor C 102 series resistance R106 simultaneously.
2 pin of serial port chip IC4 are connected with its 4 pin by capacitor C 8, its 5 pin is connected with its 6 pin by capacitor C 9, its 9 pin is connected with power supply VCC by resistance R 14, its 11 pin is connected with power supply VCC by resistance R 24, its 3 pin is by the rear ground connection of capacitor C 10, its 7 pin is by the rear ground connection of capacitor C 11, its 15 pin is connected with power supply VCC, this pin is by capacitor C 12 ground connection simultaneously, its 8 pin is by resistance R 15 ground connection after spark pipe DZ2 of connecting, this pin is connected with 9 pin of signal output interface J2 by resistance R 15 simultaneously, be used for exporting ESAM monitor signal ESAM3, its 13 pin is by resistance R 16 ground connection after spark pipe DZ3 of connecting, this pin is connected with 4 pin of signal output interface J2 by resistance R 16 simultaneously, be used for exporting ESAM monitor signal ESAM2, its 16 pin meets power supply VCC, this pin is by capacitor C 12 ground connection simultaneously, its 1 pin, 12 pin and the equal ground connection of 14 pin.
The power supply VCC LED 2 of connecting, this LED 2 comprises two-way circuit of LED, riches all the way, and optical diode is connected with 44 pin of MCU by resistance R 5, indicates for MCU data communication.This road indicator light flicker, represents that MCU receives data communication normal; This road indicator light goes out, and represents that MCU receives data communication abnormal.Another road light-emitting diode is connected with 45 pin of MCU by resistance R 102, indicates for MCU data communication.This road indicator light flicker, represents that MCU sends data communication normal; This road indicator light goes out, and represents that MCU sends data communication abnormal.
MCU can adopt the R8C/L38B of the auspicious Sa of now widely used low-power scm.The I/O pin of MCU connects the data input and output pin of ESAM module by light-coupled isolation, in MCU indoor design data acquisition program, the serial data on I/O pin is converted into parallel data, sends to computer by the serial ports of MCU.
Serial port chip IC4 adopts the conversion chip of TI company, and its model is SN65C3221EDBR; For converting TTL signal to RS232 signal.Circuit adopts light-coupled isolation, can well protect ESAM module not damaged.Adopt single-chip microcomputer scheme can solve the large problem of ESAM module image data.
As shown in Figure 4, carrier wave monitoring unit comprises serial port chip IC2, binding post XS6, binding post XS5 and binding post JP2.
The positive charge pump capacitance cathode pin C1+ of serial port chip IC2 is connected with its positive charge pump electric capacity negative pole pin C1-by capacitor C 20, its negative charge pump capacitance cathode pin C2+ is connected with its negative charge pump electric capacity negative pole pin C2-by capacitor C 21, its RS-232 receiver output pin ROUT is connected with power supply VCC by resistance R 31, this pin ROUT is also connected with 5 pin of binding post XS6 by resistance R 29, its RS-232 driver input pin DIN is connected with power supply VCC by resistance R 32, this pin DIN is connected with 6 pin of binding post XS6 by resistance R 30, it passes through the rear ground connection of capacitor C 22 by generate+2VCC of charge pump supply pin V+, it passes through the rear ground connection of capacitor C 23 by generate-2VCC of charge pump supply pin V-, its power pin VCC is connected with power supply VCC, this pin VCC is by capacitor C 25 ground connection simultaneously, its RS-232 receiver input pin RIN is by resistance R 33 ground connection after spark pipe DZ7 of connecting, this pin RIN is connected with 7 pin of signal output interface J2 by resistance R 33 simultaneously, for outgoing carrier communication monitoring signal ZB3, its RS-232 driver output pin DOUT is by resistance R 34 ground connection after spark pipe DZ8 of connecting, this pin DOUT is connected with 2 pin of signal output interface J2 by resistance R 34 simultaneously, for outgoing carrier communication monitoring signal ZB2, it forces to close pin meet power supply VCC, this pressure is simultaneously closed pin by capacitor C 25 ground connection, its enable pin , force open pipe pin FORCEON and ground pin GND equal ground connection.
1 pin, 2 pin, 21 pin and the equal ground connection of 22 pin of binding post XS6, its 3 pin is connected with the power supply V15P0 of power subsystem respectively with 4 pin, and its 7 pin is connected with power supply VCC, and its 13 pin is connected with the power supply V3.3 of power subsystem by inductance L 3.
1 pin of binding post XS5 is held and is connected mutually with A with 2 pin, and its 7 pin is held and is connected mutually with B with 8 pin, and its 13 pin is held and is connected mutually with C with 14 pin, and its 19 pin is held and is connected mutually with N with 20 pin.The A of this binding post one side holds mutually, B holds mutually, C holds mutually, N holds mutually with power carrier module and joins, and the A of opposite side holds mutually, B holds mutually, C holds mutually, N holds mutually with the circuit of power subsystem and is connected.
3 pin of binding post JP2 and 4 pin ground connection, its 5 pin is connected with power supply VCC.
Binding post XS6, binding post XS5 and binding post JP2 are an entirety, and it is the interface being connected with power carrier module.The present invention can be for all kinds of single-phase carrier modules and the Three Phase Carrier Based module of state's net standard interface, implements carrier wave monitoring.These power carrier modules comprise Neusoft, ancient cooking vessel letter, dawn journey, Rui Sikang, in the power carrier module such as intelligent.
As shown in Figure 5, interface unit comprises power input P1, signal input interface J1 and signal output interface J2.Power input P1 and three-phase alternating-current supply join; Signal input interface J1 is for gathering access arrangement by GPRS communication data, RS485 communication data, ESAM communication data etc.; Signal output interface J2 is for exporting GPRS communication monitoring result, RS485 communication monitoring result, ESAM communication monitoring result and carrier communication monitoring result to master station.
As shown in Figure 6, power subsystem comprises transformer T1, rectification module B1, voltage stabilizing chip IC 7 and voltage stabilizing chip IC 8.2 pin of power input P1 are connected with 1 pin of transformer T1 by piezo-resistance RT1, and its 1 pin is connected with 3 pin of this transformer; After variable capacitor C7 is in parallel with adjustable resistance RV1, be connected between 2 pin and 1 pin of power input P1.5 pin of transformer T1 are connected with the AC1 pin of rectification module B1, its 4 pin is connected with the AC2 pin of rectification module B1, and spark pipe DZ1 is connected between the AC1 pin and AC2 pin of rectification module B1.The positive terminal of rectification module B1 is connected with the I pin of voltage stabilizing chip IC 7, and its negative pole end is connected with the G pin of voltage stabilizing chip IC 7.After capacitor C 6, polar capacitor E4, polar capacitor E5, polar capacitor E6, polar capacitor E7, polar capacitor E8, polar capacitor E9, polar capacitor E10 and polar capacitor E11 parallel connection, be connected between the positive terminal and negative pole end of rectification module B1.The O pin of voltage stabilizing chip IC 7 is connected with power supply VCC by inductance L 2.After capacitor C 4 is in parallel with polar capacitor E2, be connected between power supply VCC and the G pin of voltage stabilizing chip IC 7.
1 pin of voltage stabilizing chip IC 8 meets power supply VCC, its 2 pin ground connection, and its 3 pin is connected with power supply V3.3, is connected between 3 pin and 2 pin of this voltage stabilizing chip after polar capacitor E3 is in parallel with capacitor C 5.The positive terminal of polar capacitor E1 is connected with 1 pin of this voltage stabilizing chip IC 8, and between its negative pole end and 2 pin of this voltage stabilizing chip IC 8, the positive terminal of this polar capacitor is also connected with power supply VCC simultaneously, its negative pole end ground connection.
Power supply VCC is by resistance R 6 LED 5 ground connection of connecting, and for power supply instruction, the bright expression of lamp switches on power; The lamp expression of going out, device powers down.
As shown in Figure 7, in use, between main website and acquisition terminal, set up control point 1, between acquisition terminal and electric energy meter, set up control point 2, between the present invention and electric energy meter ESAM, set up control point 3, between the present invention and carrier electric energy meter, set up control point 4, then implement the monitoring of various communication datas.Control point 1:GPRS monitoring unit is realized monitoring; Control point 2:RS485 monitoring unit is realized monitoring; Control point 3:ESAM monitoring unit is realized monitoring; Control point 4: carrier wave monitoring unit is realized monitoring.
It is power input mouth that PCB of the present invention adopts one end, and one end is signal input interface and signal output interface.What power supply terminal adopted 5.08 spacing can plug terminal, and signal input and output port adopts general DB9 pin terminal, is convenient to wiring and the installation of equipment.
Shell of the present invention is selected the general shell of copying control device of WFDT-810GC power line carrier, plastic mould, overall dimension: 160mm × 100mm × 50mm.Shell is public mould, low price, and enclosure volume is little, is convenient to install, and changes module also convenient.

Claims (5)

1. a multichannel centralized monitor instrument, comprise power subsystem, it is characterized in that, also comprise GPRS monitoring unit, RS485 monitoring unit, ESAM monitoring unit and carrier wave monitoring unit, GPRS monitoring unit is connected with the GPRS interface of acquisition terminal by signal input interface, be used for intercepting collection GPRS communication data, be also connected with the communication interface of master station by signal output interface, for GPRS communication monitoring data are sent to master station simultaneously; RS485 monitoring unit is connected with the RS485 interface of electric energy meter to be monitored by signal input interface, be used for intercepting collection electric energy meter RS485 communication data, this unit is also connected with the communication interface of master station by signal output interface simultaneously, for RS485 communication monitoring data are sent to master station; ESAM monitoring unit is connected with the ESAM module interface of electric energy meter by signal output interface, for electric energy meter being carried out to long-distance identity-certifying, data encryption and data deciphering operation, this unit is also connected with the communication interface of master station by signal output interface simultaneously, for the object information of long-distance identity-certifying result and data encryption and deciphering is sent to master station; Carrier wave monitoring unit is connected with the power carrier module interface of carrier electric energy meter by signal input interface, for intercepting the carrier communication data that gather carrier electric energy meter, also be connected with the communication interface of master station by signal output interface, for power line carrier Monitoring Data is sent to master station simultaneously; Power subsystem converts single-phase alternating current to direct current, is described GPRS monitoring unit, RS485 monitoring unit, ESAM monitoring unit and the power supply of carrier wave monitoring unit.
2. multichannel centralized monitor instrument according to claim 1, is characterized in that, described GPRS monitoring unit comprises serial port chip IC1; Serial port chip IC1 adopts the signal conversion chip that the model of TI company is SN65C3221EDBR;
2 pin of serial port chip IC1 are connected with its 4 pin by capacitor C 13, its 5 pin is connected with its 6 pin by capacitor C 14, its 9 pin is connected with transmitting terminal TXD by resistance R 18, for output string port communications data, this 9 pin is also connected with power supply VCC by resistance R 20, and its 11 pin is connected with power supply VCC by resistance R 21, and its 11 pin is connected with receiving terminal RXD by resistance R 19, be used for receiving serial communication data, this 11 pin is also connected with the anode of diode D1, diode D2 respectively by after resistance R 19, the negative electrode of diode D1 is connected with 1 pin of signal input interface J1, and for receiving the data TXD1 of GPRS hair line, the negative electrode of diode D2 is connected with 2 pin of signal input interface J1, for receiving the data RXD1 of GPRS take-up, 3 pin of serial port chip IC1 are by the rear ground connection of capacitor C 15, its 7 pin is by the rear ground connection of capacitor C 16, its 15 pin is connected with power supply VCC, this 15 pin is by the rear ground connection of capacitor C 17 simultaneously, its 8 pin is by resistance R 22 ground connection after spark pipe DZ4 of connecting, this 8 pin is connected with 6 pin of signal output interface J2 by resistance R 22 simultaneously, be used for exporting GPRS communication monitoring signal GPRS3, its 13 pin is by resistance R 23 ground connection after spark pipe DZ5 of connecting, this 13 pin is connected with 1 pin of signal output interface J2 by resistance R 23 simultaneously, be used for exporting GPRS communication monitoring signal GPRS2, its 16 pin meets power supply VCC, this 16 pin is by capacitor C 17 ground connection simultaneously, its 1 pin, 12 pin and the equal ground connection of 14 pin.
3. multichannel centralized monitor instrument according to claim 1, is characterized in that, described RS485 monitoring unit comprises transceiver ic 6, optocoupler IC9, optocoupler IC10 and serial port chip IC3; Transceiver ic 6 adopts the transceiver that the model of MAXIM company is MAX13085EESA; Serial port chip IC3 adopts the conversion chip that the model of TI company is SN65C3221EDBR;
6 pin of transceiver ic 6 are connected with 7 pin of signal input interface J1 by resistance R 35, for transmission of signal RS485A, this 6 pin also by resistance R 35 connect bi-directional voltage stabilizing diode DZ9 again series resistance R36 be connected with 7 pin of this transceiver, this 6 pin is also by ground connection after spark pipe DZ6 simultaneously, and be connected with its 8 pin by resistance R 25, its 8 pin is connected with power supply VCC, this 8 pin is also by capacitor C 18 ground connection, its 7 pin is connected with 8 pin of signal input interface J1 by resistance R 36, for transmission of signal RS485B, this 7 pin is also by ground connection after spark pipe DZ10 simultaneously, this 7 pin is connected with 5 pin of this transceiver by resistance R 37, its 4 pin and 5 pin ground connection, its 1 pin is connected with the negative electrode pin of optocoupler IC9, after being connected with 3 pin, its 2 pin is connected with the emitter-base bandgap grading pin of optocoupler IC10,
The anode pin of optocoupler IC9 is connected with power supply VCC by resistance R 38, its emitter-base bandgap grading pin ground connection, and this emitter-base bandgap grading pin is connected with power supply VCC by capacitor C 27 series resistance R26 simultaneously, and its collector electrode pin is connected with 11 pin of serial port chip IC3 by resistance R 42;
The emitter-base bandgap grading pin of optocoupler IC10 is by resistance R 39 ground connection, and by capacitor C 26 ground connection, its collector electrode pin meets power supply VCC simultaneously, and its anode pin is connected with power supply VCC by resistance R 40, and its negative electrode pin is connected with 9 pin of serial port chip IC3 by resistance R 41;
The 1 pin ground connection of serial port chip IC3, its 2 pin is connected with its 4 pin by capacitor C 19, its 5 pin is connected with its 6 pin by capacitor C 28, its 9 pin is connected with power supply VCC by resistance R 28, its 11 pin is connected with power supply VCC by resistance R 43, its 3 pin is by capacitor C 29 ground connection, its 7 pin is by capacitor C 30 ground connection, its 15 pin is by capacitor C 24 ground connection, this 15 pin is connected with power supply VCC simultaneously, 12 pin of serial port chip IC3 and the equal ground connection of its 14 pin, its 8 pin is by resistance R 45 ground connection after spark pipe DZ11 of connecting, this 8 pin is connected with 8 pin of signal output interface J2 by resistance R 45 simultaneously, for transmission of signal 485-3, its 13 pin is by resistance R 46 ground connection after spark pipe DZ12 of connecting, this 13 pin is connected with 3 pin of signal output interface J2 by resistance R 46 simultaneously, for transmission of signal 485-2, its 16 pin is connected with power supply VCC, this 16 pin is by capacitor C 24 ground connection simultaneously.
4. multichannel centralized monitor instrument according to claim 1, is characterized in that, described ESAM monitoring unit comprises MCU, optocoupler IC11, optocoupler IC12 and serial port chip IC4; MCU adopts the low-power scm that the model of Renesas is R8C/L38B; Serial port chip IC4 adopts the conversion chip that the model of TI company is SN65C3221EDBR;
1 pin of MCU is connected with the collector electrode pin of optocoupler IC12, for transmitting the IO signal ESAM-IO1 of ESAM, its 2 pin is connected with its 1 pin by resistance R 8, its 5 pin meets power supply VCC, simultaneously by capacitor C 100 ground connection, its 6 pin is connected with power supply VCC by resistance R 9, simultaneously by resistance R 9 series capacitance C100 ground connection, this 6 pin is also connected with 2 pin of connector JP1, for transfer mode signal MODE, its 9 pin is connected with power supply VCC by resistance R 10, simultaneously by resistance R 10 series capacitance C100 ground connection, this 9 pin is also connected with 3 pin of connector JP1, be used for transmitting reset signal PRST, its 10 pin transmits output signal XOUT, this 10 pin is by capacitor C 1 ground connection simultaneously, its 12 pin transmits input signal XIN, this 12 pin is by capacitor C 2 ground connection simultaneously, after crystal oscillator Y1 and resistance R 1 parallel connection, be connected between 10 pin and 12 pin of this MCU, 13 pin of this MCU are connected with power supply VCC, simultaneously by capacitor C 3 ground connection, its 14 pin is connected with the collector electrode pin of optocoupler IC11, be used for transmitting ESAM clock signal ESAM-CLK1, its 44 pin is connected with 9 pin of serial port chip IC4 by resistance R 12, its 45 pin is connected with 11 pin of this serial port chip by resistance R 13, its 4 pin, 11 pin ground connection,
The anode pin of optocoupler IC11 is connected with power supply VCC1 by resistance R 103, its negative electrode pin is connected with 5 pin of signal input interface J1, be used for transmitting ESAM clock signal ESAM-CLK, its emitter-base bandgap grading pin ground connection is connected with power supply VCC by capacitor C 101 series resistance R105 simultaneously;
The anode pin of optocoupler IC12 is connected with power supply VCC1 by resistance R 104, its negative electrode pin is connected with 4 pin of signal input interface J1, for transmitting the IO signal ESAM-IO of ESAM, its emitter-base bandgap grading pin ground connection is connected with power supply VCC by capacitor C 102 series resistance R106 simultaneously;
2 pin of serial port chip IC4 are connected with its 4 pin by capacitor C 8, its 5 pin is connected with its 6 pin by capacitor C 9, its 9 pin is connected with power supply VCC by resistance R 14, its 11 pin is connected with power supply VCC by resistance R 24, its 3 pin is by the rear ground connection of capacitor C 10, its 7 pin is by the rear ground connection of capacitor C 11, its 15 pin is connected with power supply VCC, this 15 pin is by capacitor C 12 ground connection simultaneously, its 8 pin is by resistance R 15 ground connection after spark pipe DZ2 of connecting, this 8 pin is connected with 9 pin of signal output interface J2 by resistance R 15 simultaneously, be used for exporting ESAM monitor signal ESAM3, its 13 pin is by resistance R 16 ground connection after spark pipe DZ3 of connecting, this 13 pin is connected with 4 pin of signal output interface J2 by resistance R 16 simultaneously, be used for exporting ESAM monitor signal ESAM2, its 16 pin meets power supply VCC, this 16 pin is by capacitor C 12 ground connection simultaneously, its 1 pin, 12 pin and the equal ground connection of 14 pin.
5. multichannel centralized monitor instrument according to claim 1, is characterized in that, described carrier wave monitoring unit comprises serial port chip IC2, binding post XS6, binding post XS5 and binding post JP2; Binding post XS6 is 22 core connectors, and binding post XS5 is 20 core connectors, and binding post JP2 is 12 core connectors; Binding post XS6, binding post XS5 and binding post JP2 are an entirety, are the interfaces being connected with power carrier module;
The positive charge pump capacitance cathode pin C1+ of serial port chip IC2 is connected with its positive charge pump electric capacity negative pole pin C1-by capacitor C 20, its negative charge pump capacitance cathode pin C2+ is connected with its negative charge pump electric capacity negative pole pin C2-by capacitor C 21, its RS-232 receiver output pin ROUT is connected with power supply VCC by resistance R 31, this pin ROUT is also connected with 5 pin of binding post XS6 by resistance R 29, its RS-232 driver input pin DIN is connected with power supply VCC by resistance R 32, this pin DIN is connected with 6 pin of binding post XS6 by resistance R 30, it passes through the rear ground connection of capacitor C 22 by generate+2VCC of charge pump supply pin V+, it passes through the rear ground connection of capacitor C 23 by generate-2VCC of charge pump supply pin V-, its power pin VCC is connected with power supply VCC, this pin VCC is by capacitor C 25 ground connection simultaneously, its RS-232 receiver input pin RIN is by resistance R 33 ground connection after spark pipe DZ7 of connecting, this pin RIN is connected with 7 pin of signal output interface J2 by resistance R 33 simultaneously, for outgoing carrier communication monitoring signal ZB3, its RS-232 driver output pin DOUT is by resistance R 34 ground connection after spark pipe DZ8 of connecting, this pin DOUT is connected with 2 pin of signal output interface J2 by resistance R 34 simultaneously, for outgoing carrier communication monitoring signal ZB2, it forces to close pin meet power supply VCC, this pressure is simultaneously closed pin by capacitor C 25 ground connection, its enable pin , force open pipe pin FORCEON and ground pin GND equal ground connection,
1 pin, 2 pin, 21 pin and the equal ground connection of 22 pin of binding post XS6, its 3 pin is connected with the power supply V15P0 of power subsystem respectively with 4 pin, and its 7 pin is connected with power supply VCC, and its 13 pin is connected with the power supply V3.3 of power subsystem by inductance L 3;
1 pin of binding post XS5 is held and is connected mutually with A with 2 pin, its 7 pin is held and is connected mutually with B with 8 pin, its 13 pin is held and is connected mutually with C with 14 pin, its 19 pin is held and is connected mutually with N with 20 pin, the A of this binding post one side holds mutually, B holds mutually, C holds mutually, N holds mutually with power carrier module and joins, and the A of opposite side holds mutually, B holds mutually, C holds mutually, N holds mutually with the circuit of power subsystem and is connected;
3 pin of binding post JP2 and 4 pin ground connection, its 5 pin is connected with power supply VCC.
CN201310052530.6A 2013-02-19 2013-02-19 Multipath centralized monitoring meter Active CN103151837B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310052530.6A CN103151837B (en) 2013-02-19 2013-02-19 Multipath centralized monitoring meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310052530.6A CN103151837B (en) 2013-02-19 2013-02-19 Multipath centralized monitoring meter

Publications (2)

Publication Number Publication Date
CN103151837A CN103151837A (en) 2013-06-12
CN103151837B true CN103151837B (en) 2014-11-05

Family

ID=48549768

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310052530.6A Active CN103151837B (en) 2013-02-19 2013-02-19 Multipath centralized monitoring meter

Country Status (1)

Country Link
CN (1) CN103151837B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105866490B (en) * 2016-03-29 2018-10-02 航天中电科技(北京)有限公司 Based on long-range high in the clouds and the double Intelligent ammeter boxes authorized of low coverage bluetooth
CN110782645A (en) * 2019-11-05 2020-02-11 湖南常德牌水表制造有限公司 TTL bus communication system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1309109B1 (en) * 1999-10-13 2002-01-16 Merloni Elettrodomestici Spa SYSTEM FOR MONITORING AND CONTROL OF A SET OF ELECTRIC USERS.
CN2575780Y (en) * 2002-07-10 2003-09-24 吉林省森泰克数据通信技术有限公司 Insulating sheet for two-dimensional display
CN203086247U (en) * 2013-02-19 2013-07-24 长沙威胜信息技术有限公司 Multichannel centralized monitoring instrument

Also Published As

Publication number Publication date
CN103151837A (en) 2013-06-12

Similar Documents

Publication Publication Date Title
CN103472432B (en) The real load error pick-up unit of intelligent substation electric energy metering secondary and method
CN208903415U (en) A kind of 230MHz LoRa collector meeting southern network mark standard
CN205666832U (en) Local communication system based on plastic fiber
CN203086247U (en) Multichannel centralized monitoring instrument
CN103151837B (en) Multipath centralized monitoring meter
CN208208079U (en) A kind of high-performance MBUS collector for water meter
CN102436733A (en) Thermotechnical electric quantity type energy efficiency data collecting terminal
CN201965753U (en) Acquisition device
CN202600960U (en) Electricity consumption information acquisition terminal capable of supporting optical fiber communication
CN203104520U (en) Intelligent main station system
CN205301904U (en) Communication circuit at integrated multiple communication technology intelligence integration terminal
CN202737583U (en) Breaker with electric quantity collecting and information transmitting functions
CN202584400U (en) Intelligent carrier wireless comprehensive meter reading system
CN202549051U (en) Wireless low-voltage power line meter-reading system based on RS485 electricity meters
CN202373130U (en) Thermal electric quantity type energy efficiency data acquisition terminal
CN108693395A (en) A kind of distributing alternating-current charging pile monitoring system based on WSN
CN210376511U (en) Intelligent integrated electric meter and solar cell panel system adopting same
CN201749558U (en) Acquisition terminal of low-voltage power line carrier resident electric meter
CN209784805U (en) Serial port data isolation protection device for industrial control safety
CN209267584U (en) Teledata collection copies fiber optic communications devices, collector and dual-wire communications network system
CN207924000U (en) A kind of distributing alternating-current charging pile monitoring system based on WSN
CN207409132U (en) Four tables of multiplexing M-Bus passages unify interface convertor and copy and accept system based on it
CN202421324U (en) Basic electric quantity type efficiency data acquisition terminal
CN207066526U (en) A kind of Internet of Things water meter device
CN206620152U (en) A kind of four table collection copy remote transmission device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 413500 Yiyang Province Economic Development Zone, Anhua Province Tea Village Tea Plant Road

Patentee after: WILLFAR INFORMATION TECHNOLOGY Co.,Ltd.

Address before: 413500 Yiyang Province Economic Development Zone, Anhua Province Tea Village Tea Plant Road

Patentee before: HUNAN WEISHENG INFORMATION TECHNOLOGY CO.,LTD.

CP03 Change of name, title or address

Address after: 413500 Yiyang Province Economic Development Zone, Anhua Province Tea Village Tea Plant Road

Patentee after: HUNAN WEISHENG INFORMATION TECHNOLOGY CO.,LTD.

Address before: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi

Patentee before: CHANGSHA WASION INFORMATION TECHNOLOGY Co.,Ltd.

CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: 410205 Changsha Hi-tech Industrial Development Zone, Changsha, Hunan Province, Tongzi Poe Road No. 468

Patentee after: WILLFAR INFORMATION TECHNOLOGY Co.,Ltd.

Address before: 413500 Yiyang Province Economic Development Zone, Anhua Province Tea Village Tea Plant Road

Patentee before: WILLFAR INFORMATION TECHNOLOGY Co.,Ltd.