CN101227101A - Four remote unit apparatus - Google Patents
Four remote unit apparatus Download PDFInfo
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- CN101227101A CN101227101A CNA200710036534XA CN200710036534A CN101227101A CN 101227101 A CN101227101 A CN 101227101A CN A200710036534X A CNA200710036534X A CN A200710036534XA CN 200710036534 A CN200710036534 A CN 200710036534A CN 101227101 A CN101227101 A CN 101227101A
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S40/00—Systems 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
- Y04S40/12—Systems 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
- Y04S40/124—Systems 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 wired telecommunication networks or data transmission busses
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Abstract
The invention relates to a monitoring and distributing type multiloop monitoring device (namely: a four-remote unit device), wherein the system comprises a software and a hardware, wherein the software is a computer program which has the function to operate the whole system, the hardware comprises four modules, namely a remote measurement unit, a remote controlling unit, a remote communication unit and a remote pulse unit, and a host computer which is connected through RS485 bus. The monitoring and distributing type multiloop monitoring device is characterized in that a data collecting circuit of the remote measurement unit module is connected with a wiring mode judging circuit, and communication output circuits are two communication output circuits, an output end of each controlling output circuit of sixteen controlling output circuits of the remote controlling unit module is connected with an LED state displaying circuit, and the communication input and output circuits are two communication input and output circuits, an originating wet node is added in thirty-two switch signal collecting input circuits in the remote communication unit module and the remote pulse unit module, each switch signal collecting input circuit is connected with a switch signal state displaying LED, and the communication output circuits are two communication output circuits.
Description
Technical field:
The present invention relates to low-voltage distribution control technology field, monitoring in particularly a kind of low-voltage distribution technical field and distributed multiloop supervising device system are called for short " four remote unit apparatus ".
Background technology:
Electric power occupies extremely important status in national economy is produced, at present, international/as domestic two development trends to be arranged aspect power automation: as 1, to become the distribution intelligent comprehensive monitoring and develop to mesolow from mesohigh, especially this electric pressure of 380V; 2, intelligent low-voltage monitoring/protection product develops to synthesization, miniaturization, networking, modularization, integrated direction.
As everyone knows, the low-voltage distribution cabinet type is numerous, purposes is different, and monitoring/protective device should satisfy: volume is small and exquisite, flexible configuration, convenient for installation and maintenance, monitoring/protection/communication integral, economic and reliable.Fundamentally solved the problem of power automatic system " only survey is not controlled " or " only prison is not controlled ".
The RTU monitoring and the distributed multiloop supervising device of low-voltage distribution cabinet type use at present is the intelligent element of a kind of high-performance distribution, is mainly used in better simply distribution loop of monitoring requirement and automation aspect.The RTU monitoring divides for remote signalling unit, remote control unit, remote unit, the distant arteries and veins unit that is connected by network by host computer with distributed multiloop supervising device, wherein remote unit is used to measure parameters such as three-phase current, three-phase/line voltage, three-phase/single-phase active power, reactive power, apparent power, power factor, cycle, active energy, reactive energy, the remote signalling unit has and is no less than 4 way switch amount light every input, and signal is passive dry contact; Remote control unit has and is no less than the control output of No. 2 relays, and contact rating is: AC220V/5A; Distant arteries and veins unit is to all instrument parameters, and table address, communication baud rate, CT no-load voltage ratio, out-of-limit parameter, protection definite value and time limit all can be provided with by distant place parameter in accordance with rites.Communication interface between host computer and the four remote unit adopts the RS-485/422 communication interface, and agreements such as MODBUS/DNP3.0/IEC870-5-101/103, bus interface have maybe can expand field-bus interfaces such as Industrial Ethernet, PROFIBUS, DEVICENET.
Still there are the following problems but the RTU monitoring is with distributed multiloop supervising device: 1, the remote unit input mode has only 4-20mA/DC, 0-2.5V/DC, and input range is narrow, and communication has only 1 the tunnel, and can not judge the mode of connection; 2, remote signalling unit input mode has only passive dry contact, and communication has only 1 the tunnel, and the sequence of events recording capacity has only 32; 3, the remote control unit input mode is pulse and self-sustaining, and communication has only 1 the tunnel, does not have the sequence of events recording capacity; 4, distant arteries and veins unit input mode has only passive dry contact, and communication has only 1 the tunnel.
Summary of the invention:
It is a kind of monitoring and distributed multiloop supervising device system that technical problem to be solved by this invention provides a kind of " four remote unit apparatus ".It is wide that this system's remote unit is measured input range, has the two-way communication line; The remote signalling unit has passive dry contact and the optional and two-way communication line of active wet node, and the sequence of events recording capacity has 3200 cycle index; Remote control unit can realize pulse output by PC control, has two-way communication line and 3200 cycle index; Distant arteries and veins unit and remote signalling unit have passive dry contact and the optional and two-way communication line of active wet node.
Technical problem to be solved by this invention can be achieved through the following technical solutions:
" four remote unit apparatus ", this system comprises software and hardware, wherein said software is the computer program that possesses the whole system function controlled; Described hardware comprises remote unit, remote control unit, four modules in remote signalling unit and distant arteries and veins unit and the host computer that is connected by the RS485 bus; Described remote unit module comprises power circuit, data acquisition circuit, A/D data converting circuit, data processing circuit, communication output circuit, power circuit provides power supply for data acquisition circuit, A/D data converting circuit, data processing circuit, communication output circuit, data acquisition circuit is gathered 30 two road curtage signal conveys to A/D data converting circuit and is carried out the A/D conversion and be delivered to data processing circuit, is delivered to host computer by the communication output circuit after data processing circuit is handled; Described remote control unit module comprises communication imput output circuit, signal processing circuit, ten six tunnel controlling output circuit that are connected and receive the PC control signal with host computer, the communication imput output circuit is handled host computer signal conveys to the signal processing circuit that receives, and handles the back and controls 16 actuatings of relay by ten six tunnel controlling output circuit; Described remote signalling unit module and distant arteries and veins unit module comprise power circuit, 30 two-way switch signals collecting input circuits, signal processing circuit, the communication output circuit, power circuit is given 30 two-way switch signals collecting input circuits, signal processing circuit, the communication output circuit provides power supply, 30 two-way switch signals collecting input circuits are delivered to signal processing circuit with the switching pulse signal of gathering, signal processing circuit is handled the back and is delivered to host computer by the communication output circuit, it is characterized in that, on the data acquisition circuit of described remote unit module, connect a mode of connection decision circuitry, and its communication output circuit is a two-way communication output circuit; At each road controlling output circuit output termination one led state display circuit of ten six tunnel controlling output circuit of described remote control unit module, and the communication imput output circuit is a two-way communication imput output circuit; Increase by an active wet node in the 30 two-way switch signals collecting input circuits in remote signalling unit module and distant arteries and veins unit module, and gather the switching signal state that connects in the input circuit at each path switching signal and show LED, its communication output circuit is a two-way communication output circuit.
The present invention is by the improvement of above-mentioned technology, owing on the data acquisition circuit of remote unit module, connect a mode of connection decision circuitry, can align reversal connection line mode judges, thereby enlarged the scope of input parameter, current signal as input can be-20mA-20mA/DC, and voltage signal is-5V-5V.Connect a led state display circuit in each road controlling output circuit output of ten six tunnel controlling output circuit of remote control unit module, the output state of display control signal is convenient to find fault intuitively.Increase by an active wet node in the 30 two-way switch signals collecting input circuits in remote signalling unit module and distant arteries and veins unit module, make things convenient for the user to realize passive dry contact and active wet node selection, enlarged the range of application of device, gather at each path switching signal simultaneously and increase switching signal state demonstration LED in the input circuit, can observe the state of switching signal intuitively, be convenient to judge the operating state of switch.Between remote unit, remote control unit, remote signalling unit and distant arteries and veins unit and host computer two-way being set in addition communicates by letter, one tunnel communication is used for remote unit, remote control unit, remote signalling unit and distant arteries and veins unit module general parameter is provided with and debugging, and another road is used to read and remote unit, remote control unit, remote signalling unit and distant arteries and veins cell value be set.
The software program that the present invention adopts comprises initialization section, communications portion and function of tonic chord processing section; Initialization section comprises hardware initialization and data variable initialization (instrument configuration information, calibration information, SOE information); Communications portion adopts two serial ports, dual communication module and semiduplex RS485 communication modes, and this software program adopts the stipulations of MODBUS_RTU to write; The major function processing section comprises DI, DO, AI, and wherein DI partly finishes remote signalling and distant arteries and veins function, and DO partly finishes distant control function, and AI partly finishes telemetry function.
Advantage of the present invention is:
The remote signalling unit module can be gathered 32 tunnel active wet contacts or passive dry contact switching value signal simultaneously.Signal adopts photoelectricity to isolate input, effectively protects internal circuit not disturbed to damage by extraneous strong signal.Be connected by the RS485 bus with host computer and carry out exchanges data.Reflect the switching value state in real time, and can store 32 tunnel 3200 sequence of events recording (SOE).Accurately reflect the switching value incident.
The output of remote control unit module may command No. 16 relays.Output can be write down 3200 sequence of events recording of 16 passages (SOE), is connected by the RS485 bus with host computer and carries out exchanges data.Accurately reflect the relay incident.
Distant arteries and veins unit module acquisition pulse amount is connected by the RS485 bus with host computer carries out exchanges data.Can carry out step-by-step counting, the count value power down protection to the meritorious or idle pulse electricity meter of electric power.Also can count the pulse in the automation.
The remote unit module can gather simultaneously 32 tunnel-20mA～～20mA or-5V～～the 5V direct current, be connected by the RS485 bus with host computer and carry out exchanges data.The remote measurement value of the standard signal of reflection transmitter or transducer.Can be used for analog signals such as electric current, voltage, temperature, pressure and be converted to digital signal realizing exchanges data with supervisory control system through communication.
Description of drawings:
Fig. 1 is a four remote unit apparatus theory diagram of the present invention.
Fig. 2 is the theory diagram of the remote unit module of four remote unit apparatus of the present invention.
Fig. 3 is the electrical schematic diagram of the power circuit of remote unit module.
Fig. 4 is the data acquisition circuit of remote unit module and the electrical schematic diagram of A/D data converting circuit.
Fig. 5 is the data processing circuit of remote unit module and the electrical schematic diagram of communication output circuit.
Fig. 6 is the theory diagram of the remote control unit module of four remote unit apparatus of the present invention.
Fig. 7 is the electrical schematic diagram of the two-way communication imput output circuit of remote control unit module.
Fig. 8 is the electrical schematic diagram of the signal processing circuit of remote control unit module.
Fig. 9 is the electrical schematic diagram of ten six tunnel controlling output circuit of remote control unit module.
Figure 10 is the remote signalling unit module of four remote unit apparatus of the present invention and the theory diagram of distant arteries and veins unit module.
Figure 11 is the electrical schematic diagram of the power circuit of remote signalling unit module and distant arteries and veins unit module.
Figure 12 is the electrical schematic diagram of 30 two-way switch signals collecting input circuits of remote signalling unit module and distant arteries and veins unit module.
Figure 13 is the electrical schematic diagram of the signal processing circuit of remote signalling unit module.
Figure 14 is the electrical schematic diagram of the signal processing circuit of distant arteries and veins unit module.
Figure 15 is communicate by letter with the two-way of the distant arteries and veins unit module electrical schematic diagram of output circuit of remote signalling unit module.
Embodiment:
Specify the present invention below by accompanying drawing.
Referring to Fig. 1, a kind of four remote unit apparatus, this system comprises software and hardware, wherein said software is computer program and each the unit software that possesses the whole system function controlled; Described hardware comprises remote unit, remote control unit, four modules in remote signalling unit and distant arteries and veins unit and the host computer that is connected by the RS485 bus.
Software program comprises initialization section, communications portion and function of tonic chord processing section; Initialization section comprises hardware initialization and data variable initialization (instrument configuration information, calibration information, SOE information); Communications portion adopts two serial ports, dual communication module and semiduplex RS485 communication modes, and this software program adopts the stipulations of MODBUS-RTU to write; Starting back slave station instrument is accepting state, and interrupt mode is finished transmitting-receiving.When receiving after data satisfy condition, adopt interrupt mode to carry out the data loopback, communication operation is divided into two kinds of data acquisition and information write operations, increases calibration and check communications protocol under the expansion production model simultaneously.
Its major function processing section comprises DI, DO, AI, and wherein DI partly finishes remote signalling and distant arteries and veins function, and DO partly finishes distant control function, and AI partly finishes telemetry function.
Each module adopts the software and hardware watchdog technique, eliminates the deadlock phenomenon with this.Modular structure is attractive in appearance, and each passage all has status indicator lamp, as the successful indicator light flicker of communicating by letter.
Each module can select host computer or local toggle switch that module's address and baud rate are set.
The function of four remote unit apparatus realizes by its described four unit modules that specifically these unit modules utilize the automation control operation of electronic circuit realization to RTU multichannel low-voltage distribution.Concrete circuit theory is as follows:
Referring to Fig. 2, remote unit module M32 has 32 circuit-switched data input/output interfaces, can be connected with elements such as temperature transmitter, pressure sensors, can gather simultaneously 32 tunnel-20mA～～20mA,-5V～～the 5V direct current, the remote measurement value of the standard signal of reflection transmitter or transducer.This module is used for analog signals such as electric current, voltage, temperature, pressure and is converted to digital signal realizing being connected by the RS485 bus with the host computer of supervisory control system through communication and carrying out exchanges data.
The concrete technical parameter of this remote unit module is as follows:
Input capacity: 32 tunnel.
Remote measurement precision: 0.5%.
Communication mode: RS485.
Operational environment: 55 ℃ of-5 ℃ of TO
Storage temperature: 85 ℃ of-25 ℃ of TO
Power supply: 18～36V AC/DC or 80～270V AC/DC
This remote unit module M32 specifically comprises power circuit, data acquisition circuit, A/D data converting circuit, data processing circuit, communication output circuit.
Referring to Fig. 3, the power circuit of power circuit and existing remote unit module is basic identical, also be to provide power supply, no longer the concrete syndeton of circuit be described in detail at this to data acquisition circuit, A/D data converting circuit, data processing circuit, communication output circuit.Data acquisition circuit is gathered 30 two road curtage signal conveys to A/D data converting circuit and is carried out the A/D conversion and be delivered to data processing circuit, is delivered to host computer by the communication output circuit after data processing circuit is handled;
Power circuit DC18V-36V input, output+9V ,-9V, VCC reach+the 5V power supply.
Referring to Fig. 4, the data acquisition circuit of remote unit module M32 and A/D data converting circuit and existing data acquisition circuit and A/D data converting circuit are basic identical, wherein data acquisition circuit mainly is made of four data acquisition module CD4051, the A/D data converting circuit is made of operational amplification circuit and A/D modular converter MAX191, and concrete circuit is connected this and is not described in detail.
32 tunnel-20mA～～20mA or-5V～～per 8 circuit-switched data in the 5V input are connected with the X0-X7 pin of a data acquisition module CD4051, the X pin of four data acquisition module CD4051 also meets the input that afterwards connects operational amplification circuit by a R33, the output termination A/D modular converter MAX191 of operational amplification circuit.
The special character of data acquisition circuit is to connect a mode of connection decision circuitry on the data acquisition circuit of remote unit module, this mode of connection decision circuitry comprises resistance R 62, comparator U5/LM393, the X pin parallel connected end of four CD4051 treatment elements of one termination of resistance R 62, the positive input of another termination comparator U5/LM393, the reverse input end ground connection of comparator U5/LM393, comparator U5/LM393 is connected to respectively+9V and-power supply of 9V, output connects (A11) PC3 pin of the processor A TMEGA128 of data processing circuit.
Insert mode of connection decision circuitry, data processing circuit can the butted line mode be differentiated, thereby has enlarged the scope of input value.
Referring to Fig. 5, data processing circuit comprises processor A TMEGA128 and relevant peripheral circuit, and is also basic identical with the data processing circuit of existing remote unit module M32, is not described in detail at this.Wherein the PB1 of processor A TMEGA128 (SCK), PB2 (MOSI), PB3 (MISO) pin connect C, B, the A tripod of four data acquisition module CD4051, and the PB4 of ATMEGA128 (OC0), PB5 (OC1A), PB6 (OC1B), PB7 (OC2/OC1CB) pin connect the INT pin of four data acquisition module CD4051 respectively; The PA0 of processor A TMEGA128 (AD0), PA1 (AD1), PA2 (AD2), PA3 (AD3), PA4 (AD4), PA5 (AD5), PA6 (AD6), PA7 (AD7), PE2 (AC+/XCK0), PE3 (AC-/OC3A), PE4 (INT4/OC3B), PE5 (INT5/OC3C) pin meets the D0/D8 of A/D modular converter MAX191 respectively, D1/D9, D2/D10, D3/D11, D4, D5/SSTRB, D6/SCLKOUT, D7/DOUT, HBEN, RD, CS, the BUSY pin, the PC4 of processor A TMEGA128 (A12), PC5 (A13), PC6 (A14), PC7 (A15), PD4 (IC1), PD5 (XCK1), PD6 (T1), PD7 (T2), PE6 (INT6/T3), PE7 (INT7/IC3) pin meets local toggle switch SW, by local toggle switch SW module's address and baud rate is set.Can certainly module's address and baud rate be set by host computer.
The PC0 of processor A TMEGA128 (A8), PC1 (A9), PC2 (A10) meet status indicator lamp LM2, LM3, LM4 respectively.
The PE0 of processor A TMEGA128 (PDI/RXDO), PE1 (PDO/TXD0) pin connects one tunnel communication output circuit, this communication output circuit is by two optocoupler U8, U9, triode Q1, communication module U10, resistance R 45, R46, R47, R48, R49, R50, R51, R52, R53 forms, the A1 of RS485 bus, the B1 end is respectively by resistance R 52, R51 connects 6 of letter module U10,7 pin, 5 pin and the ground connection of C1 terminated communications module U10, the 8 pin connecting resistance R47 of communication module U10, the end of R50 also connects+the 5V power supply, input one end of resistance R 47 another termination optocoupler U8,1 pin of another terminated communications module of the input of optocoupler U8 U10,4 pin of another terminated communications module U10 of resistance R 50, output one end of optocoupler U9 and resistance R 49 1 ends, the output other end ground connection of optocoupler U9, the base stage of resistance R 49 another termination triode Q1,2 of communication module U10,3 pin and connect after connect the collector electrode of triode Q1 and an end of resistance R 48, another termination+5V power supply of resistance R 48, the grounded emitter of triode Q1, the output one end ground connection of optocoupler U8, PE0 (PDI/RXDO) pin of another termination processor A TMEGA128 and connect the VCC power supply by resistance R 46, the VCC power supply connects input one end of optocoupler U9, PE1 (PDO/TXD0) pin of another termination processor A of the input of optocoupler U9 TMEGA128 by resistance R 45.
The PD2 of processor A TMEGA128 (INT2/RXD1), PD3 (INT3/TXD1) pin connects another road communication output circuit, this communication output circuit is by two optocoupler U11, U12, triode Q2, communication module U13, resistance R 53, R54, R55, R56, R57, R58, R59, R60, capacitor C 9, C10 forms, the A2 of RS485 bus, the B2 end is respectively by resistance R 59, R60 connects 6 of letter module U13,7 pin, 5 pin and the ground connection of C2 terminated communications module U10, the 8 pin connecting resistance R55 of communication module U13, the end of R58 also connects+the 5V power supply, input one end of resistance R 55 another termination optocoupler U11,1 pin of another terminated communications module of the input of optocoupler U11 U10,4 pin of another terminated communications module U13 of resistance R 58, output one end of optocoupler U12 and resistance R 57 1 ends, the output other end ground connection of optocoupler U12, the base stage of resistance R 57 another termination triode Q2,2 of communication module U13,3 pin and connect after connect the collector electrode of triode Q2 and an end of resistance R 56, another termination+5V power supply and the capacitor C 9 of resistance R 56, a C10 end in parallel, capacitor C 9, the grounded emitter of the C10 other end in parallel and triode Q2, the output one end ground connection of optocoupler U11, PD2 (INT2/RXD1) pin of another termination processor A TMEGA128 and connect the VCC power supply by resistance R 54, the VCC power supply connects input one end of optocoupler U12, PD3 (INT3/TXD1) pin of another termination processor A of the input of optocoupler U12 TMEGA128 by resistance R 53.
Communication module U10, U13 model are 65LBC184.
Two-way communication output circuit, one tunnel communication are used for that remote unit module general parameter is provided with and debugging, and another road is used to read and the remote unit value is set.
Referring to Fig. 6, remote control unit module J 16 may command No. 16 relays output can be write down 3200 sequence of events recording of 16 passages (SOE) and be connected by the RS485 bus with host computer by software output and be carried out exchanges data.Accurately reflect the relay incident.
The technical parameter of remote control unit module J 16 is as follows:
Output capacity: 5A/250VAC or 5A/30VDC.
Remote control accuracy rate: 100%.
Remote control sweep time: 1ms.
Input circuit: 16 tunnel.
Sequence of events recording (SOE) capacity: 3200.
Communication mode: RS485.
Operational environment: 55 ℃ of-5 ℃ of TO
Storage temperature: 85 ℃ of-25 ℃ of TO
Power supply: 18～36V AC/DC or 80～270V AC/DC
Remote control unit module J 16 comprises communication imput output circuit, signal processing circuit, ten six tunnel controlling output circuit that are connected and receive the PC control signal with host computer, the communication imput output circuit is a two-way, one tunnel communication is used for that remote control unit module general parameter is provided with and debugging, and another road is used to read and the remote control unit value is set.
Signal processing circuit is controlled 16 actuatings of relay by ten six tunnel controlling output circuit after to signal processing.
Referring to Fig. 8, the signal processing circuit basically identical of the signal processing circuit of remote control unit module J 16 and existing remote control unit module is not described in detail at this.The processor that signal processing circuit adopts is ATMEGA128.
Referring to Fig. 7, the PE0 of processor A TMEGA128 (PDI/RXDO), PE1 (PDO/TXD0) pin connects one tunnel communication output circuit, this communication output circuit is by two optocoupler IC9A, IC9B, triode Q1, communication module IC10, resistance R 6, R7, R8, R9, R10, R11, R12, R13 forms, the A1 of RS485 bus, the B1 end is respectively by resistance R 13, R12 connects 6 of letter module I C10,7 pin, 5 pin and the ground connection of C1 terminated communications module I C10, the 8 pin connecting resistance R8 of communication module IC10, the end of R11 also connects+the 5V power supply, input one end of resistance R 8 another termination optocoupler IC9A, 1 pin of another terminated communications module I of the input of optocoupler IC9A C10,4 pin of another terminated communications module I C10 of resistance R 11, output one end of optocoupler IC9B and resistance R 10 1 ends, the output other end ground connection of optocoupler IC9B, the base stage of resistance R 10 another termination triode Q1,2 of communication module IC10,3 pin and connect after connect the collector electrode of triode Q1 and an end of resistance R 9, another termination+5V power supply of resistance R 9, the grounded emitter of triode Q1, the output one end ground connection of optocoupler IC9A, PE0 (PDI/RXDO) pin of another termination processor A TMEGA128 and connect the VCC power supply by resistance R 7, the VCC power supply connects input one end of optocoupler IC9B, PE1 (PDO/TXD0) pin of another termination processor A of the input of optocoupler IC9B TMEGA128 by resistance R 6.
The PD2 of processor A TMEGA128 (INT2/RXD1), PD3 (INT3/TXD1) pin connects another road communication output circuit, this communication output circuit is by two optocoupler IC11A, IC11B, triode Q2, communication module IC13, resistance R 14, R15, R16, R17, R18, R19, R20, R21, capacitor C 6, C7 forms, the A2 of RS485 bus, the B2 end is respectively by resistance R 21, R20 connects 6 of letter module I C13,7 pin, 5 pin and the ground connection of C2 terminated communications module I C13, the 8 pin connecting resistance R16 of communication module IC13, the end of R19 also connects+the 5V power supply, input one end of resistance R 16 another termination optocoupler IC11A, 1 pin of another terminated communications module I of the input of optocoupler IC11A C13,4 pin of another terminated communications module I C13 of resistance R 19, output one end of optocoupler IC11B and resistance R 18 1 ends, the output other end ground connection of optocoupler IC11B, the base stage of resistance R 18 another termination triode Q2,2 of communication module IC13,3 pin and connect after connect the collector electrode of triode Q2 and an end of resistance R 17, another termination+5V power supply and the capacitor C 6 of resistance R 17, a C7 end in parallel, capacitor C 6, the grounded emitter of the C7 other end in parallel and triode Q2, the output one end ground connection of optocoupler IC11A, PD2 (INT2/RXD1) pin of another termination processor A TMEGA128 and connect the VCC power supply by resistance R 15, the VCC power supply connects input one end of optocoupler IC11B, PD3 (INT3/TXD1) pin of another termination processor A of the input of optocoupler IC11B TMEGA128 by resistance R 14.
Communication module IC10, IC13 model are 65LBC184.
Two-way communication output circuit, one tunnel communication are used for that remote control unit module general parameter is provided with and debugging, and another road is used to read and the remote control unit value is set.
Referring to Fig. 9, ten six tunnel controlling output circuit of remote control unit module J 16 and ten six tunnel controlling output circuit basically identicals of existing remote control unit module, its difference is that ten six tunnel controlling output circuit of remote control unit module J 16 connect a led state display circuit in each control output end, road, the led state display circuit one termination+12V power supply that constitutes by light-emitting diode L5 and resistance R 22 wherein, the OUT1 pin of another termination driver module IC15/ULN2803; By led state display circuit one termination+12V power supply that light-emitting diode L6 and resistance R 23 constitute, the OUT2 pin of another termination driver module IC15/ULN2803; By led state display circuit one termination+12V power supply that light-emitting diode L7 and resistance R 24 constitute, the OUT3 pin of another termination driver module IC15/ULN2803; By led state display circuit one termination+12V power supply that light-emitting diode L8 and resistance R 25 constitute, the OUT4 pin of another termination driver module IC15/ULN2803; By led state display circuit one termination+12V power supply that light-emitting diode L9 and resistance R 26 constitute, the OUT5 pin of another termination driver module IC15/ULN2803; By led state display circuit one termination+12V power supply that light-emitting diode L10 and resistance R 27 constitute, the OUT6 pin of another termination driver module IC15/ULN2803; By led state display circuit one termination+12V power supply that light-emitting diode L11 and resistance R 28 constitute, the OUT7 pin of another termination driver module IC15/ULN2803; By led state display circuit one termination+12V power supply that light-emitting diode L12 and resistance R 29 constitute, the OUT8 pin of another termination driver module IC15/ULN2803; By led state display circuit one termination+12V power supply that light-emitting diode L13 and resistance R 30 constitute, the OUT1 pin of another termination driver module IC17/ULN2803; By led state display circuit one termination+12V power supply that light-emitting diode L14 and resistance R 31 constitute, the OUT2 pin of another termination driver module IC17/ULN2803; By led state display circuit one termination+12V power supply that light-emitting diode L15 and resistance R 32 constitute, the OUT3 pin of another termination driver module IC17/ULN2803; By led state display circuit one termination+12V power supply that light-emitting diode L16 and resistance R 33 constitute, the OUT4 pin of another termination driver module IC17/ULN2803; By led state display circuit one termination+12V power supply that light-emitting diode L17 and resistance R 34 constitute, the OUT5 pin of another termination driver module IC17/ULN2803; By led state display circuit one termination+12V power supply that light-emitting diode L18 and resistance R 35 constitute, the OUT6 pin of another termination driver module IC17/ULN2803; By led state display circuit one termination+12V power supply that light-emitting diode L19 and resistance R 36 constitute, the OUT7 pin of another termination driver module IC17/ULN2803; By led state display circuit one termination+12V power supply that light-emitting diode L20 and resistance R 37 constitute, the OUT8 pin of another termination driver module IC17/ULN2803.
Connect a led state display circuit in each road controlling output circuit output, the output state of display control signal is convenient to find fault intuitively.
Referring to Figure 10, remote signalling unit module K32 can gather 32 tunnel active wet contacts or passive dry contact switching value signal simultaneously.Signal adopts photoelectricity to isolate input, effectively protects internal circuit not disturbed to damage by extraneous strong signal.Be connected by the RS485 bus with host computer and carry out exchanges data, reflect the switching value state in real time, and can store 32 tunnel 3200 sequence of events recording (SOE information), accurately reflect the switching value incident.
The technical parameter of remote signalling unit K32 is as follows:
The switching value temporal resolution: multiple-contact is the separating capacity of displacement in succession, and any two contact displacements are during interval greater than 1 millisecond, and the separating capacity of unit (less than 2ms) also embodies in SOE.
Remote signalling Scanning speed: 32 passage run-down required time 1ms.
The time of trembling is gone in remote signalling: what 32 all passages were unified goes the time of trembling.
Sequence of events recording (SOE) capacity: 3200.
Input circuit: 32 tunnel.
Input mode: active wet contact or passive dry contact.
Communication mode: RS485.
Operational environment: 55 ℃ of-5 ℃ of TO
Storage temperature: 85 ℃ of-25 ℃ of TO
Power supply: 18～36V AC/DC or 80～270V AC/DC.
Distant arteries and veins unit module P32 acquisition pulse amount is connected by the RS485 bus with host computer carries out exchanges data, can carry out step-by-step counting to the meritorious or idle pulse electricity meter of electric power, and the count value power down protection also can be counted the frequency in the automation.
The technical parameter of distant arteries and veins unit module P32 is as follows:
Distant arteries and veins is gathered capacity: the 32 tunnel
Distant affectionately wide: 10ms.
Accumulative total umber of pulse (MAX): 4294967296 (nybbles)
Input mode: active wet contact or passive dry contact.
Communication mode: RS485.
Operational environment: 55 ℃ of-5 ℃ of TO
Storage temperature: 85 ℃ of-25 ℃ of TO
Power supply: 18～36V AC/DC or 80～270V AC/DC.
Remote signalling unit module K32 comprises power circuit, 30 two-way switch signals collecting input circuits, signal processing circuit, the output circuit of communicating by letter with distant arteries and veins unit module P32, power circuit provides power supply for 30 two-way switch signals collecting input circuits, signal processing circuit, communication output circuit, 30 two-way switch signals collecting input circuits are delivered to signal processing circuit with the switching pulse signal of gathering, signal processing circuit is handled the back and is delivered to host computer by the communication output circuit
Referring to Figure 11, the power circuit of the power circuit of remote signalling unit module K32 and distant arteries and veins unit module P32 and existing remote signalling unit module and distant arteries and veins unit module is basic identical, be not described in detail at this, it is input as DC18V-36V, be output as+12V, VCC ,+5V.
Referring to Figure 12,30 two-way switch signals collecting input circuit basically identicals of the 30 two-way switch signals collecting input circuits of remote signalling unit module K32 and distant arteries and veins unit module P32 and existing remote signalling unit module and distant arteries and veins unit module, a difference is that this active wet contact connects+12V at switching signal input termination one active wet contact.Make things convenient for the user to realize passive dry contact and active wet node selection, enlarged the range of application of device,
Another difference is 32 road optocoupler inputs sending and receiving optical diode L1 to L32 respectively, the end of the other end connecting resistance R1 to R32 of light-emitting diode L1 to L32.Can observe the state of switching signal so intuitively, be convenient to judge the operating state of switch.
Referring to Figure 13, the signal processing circuit of remote signalling unit module K32 and the signal processing circuit of existing remote signalling unit module are just the same, at this its annexation no longer are described in detail.
Referring to Figure 14, the signal processing circuit of distant arteries and veins unit module P32 and the signal processing circuit of existing distant arteries and veins unit module are just the same, at this its annexation no longer are described in detail.
Processor is ATMEGA128 in the signal processing circuit of remote signalling unit module K32 and distant arteries and veins unit module P32, its PE0 (PDI/RXDO), PE1 (PDO/TXD0) pin connects one tunnel communication output circuit, referring to Figure 15, this communication output circuit is by two optocoupler IC24, IC25, triode Q1, communication module IC28, resistance R 42, R43, R44, R48, R49, R52, R54, R55 forms, the A1 of RS485 bus, the B1 end is respectively by resistance R 55, R54 connects 6 of letter module I C28,7 pin, 5 pin and the ground connection of C1 terminated communications module I C28, the 8 pin connecting resistance R43 of communication module IC28, the end of R44 also connects+the 5V power supply, input one end of resistance R 43 another termination optocoupler IC24,1 pin of another terminated communications module I of the input of optocoupler IC24 C28,4 pin of another terminated communications module I C28 of resistance R 44, output one end of optocoupler IC25 and resistance R 52 1 ends, the output other end ground connection of optocoupler IC25, the base stage of resistance R 52 another termination triode Q1,2 of communication module IC26,3 pin and connect after connect the collector electrode of triode Q1 and an end of resistance R 49, another termination+5V power supply of resistance R 49, the grounded emitter of triode Q1, the output one end ground connection of optocoupler IC24, PE0 (PDI/RXDO) pin of another termination processor A TMEGA128 and connect the VCC power supply by resistance R 48, the VCC power supply connects input one end of optocoupler IC25, PE1 (PDO/TXD0) pin of another termination processor of the input of optocoupler IC25 MEGA128 by resistance R 42.
The PD2 of processor A TMEGA128 (INT2/RXD1), PD3 (INT3/TXD1) pin connects another road communication output circuit, referring to Figure 15, this communication output circuit is by two optocoupler IC26, IC27, triode Q2, communication module IC29, resistance R 45, R46, R47, R50, R51, R53, R56, R57, capacitor C 31, C19 forms, the A2 of RS485 bus, the B2 end is respectively by resistance R 57, R56 connects 6 of letter module I C29,7 pin, 5 pin and the ground connection of C2 terminated communications module I C29, the 8 pin connecting resistance R46 of communication module IC29, the end of R47 also connects+the 5V power supply, input one end of resistance R 46 another termination optocoupler IC26,1 pin of another terminated communications module I of the input of optocoupler IC26 C29,4 pin of another terminated communications module I C13 of resistance R 47, output one end of optocoupler IC27 and resistance R 53 1 ends, the output other end ground connection of optocoupler IC27, the base stage of resistance R 53 another termination triode Q2,2 of communication module IC29,3 pin and connect after connect the collector electrode of triode Q2 and an end of resistance R 51, another termination+5V power supply and the capacitor C 31 of resistance R 51, a C19 end in parallel, capacitor C 31, the grounded emitter of the C19 other end in parallel and triode Q2, the output one end ground connection of optocoupler IC26, PD2 (INT2/RXD1) pin of another termination processor MEGA128 and connect the VCC power supply by resistance R 50, the VCC power supply connects input one end of optocoupler IC27, PD3 (INT3/TXD1) pin of another termination processor of the input of optocoupler IC27 MEGA128 by resistance R 45.
Communication module IC28, IC29 model are 65LBC184.
Two-way communication output circuit, one tunnel communication are used for the remote signalling unit module and distant arteries and veins unit module general parameter is provided with and debugging, and another road is used to read and remote signalling unit module and distant arteries and veins unit module value be set.
More than be one of embodiments of the present invention,, do not spend performing creative labour, on the basis of the foregoing description, can do multiple variation, can realize purpose of the present invention equally for those skilled in the art.But this variation obviously should be in the protection range of claims of the present invention.
Claims (2)
1. one kind " four remote unit apparatus " is monitoring and distributed multiloop supervising device system, and this system comprises software and hardware, and wherein said software is the computer program that possesses the whole system function controlled; Described hardware comprises remote unit, remote control unit, four modules in remote signalling unit and distant arteries and veins unit and the host computer that is connected by the RS485 bus; Described remote unit module comprises power circuit, data acquisition circuit, A/D data converting circuit, data processing circuit, communication output circuit, power circuit provides power supply for data acquisition circuit, A/D data converting circuit, data processing circuit, communication output circuit, data acquisition circuit is gathered 30 two road current signals and is delivered to the A/D data converting circuit and carries out A/D conversion and be delivered to data processing circuit, handles the back through data processing circuit and is delivered to host computer by the output circuit of communicating by letter; Described remote control unit module comprises communication imput output circuit, signal processing circuit, ten six tunnel controlling output circuit that are connected and receive the PC control signal with host computer, the communication imput output circuit is handled host computer signal conveys to the signal processing circuit that receives, and handles the back and controls 16 actuatings of relay by ten six tunnel controlling output circuit; Described remote signalling unit module and distant arteries and veins unit module comprise power circuit, 30 two-way switch signals collecting input circuits, signal processing circuit, the communication output circuit, power circuit is given 30 two-way switch signals collecting input circuits, signal processing circuit, the communication output circuit provides power supply, 30 two-way switch signals collecting input circuits are delivered to signal processing circuit with the switching pulse signal of gathering, signal processing circuit is handled the back and is delivered to host computer by the communication output circuit, it is characterized in that, on the data acquisition circuit of described distant side unit module, connect a mode of connection decision circuitry, and its communication output circuit is a two-way communication output circuit; At each road controlling output circuit output termination one led state display circuit of ten six tunnel controlling output circuit of described remote control unit module, and the communication imput output circuit is a two-way communication imput output circuit; Increase by an active wet node in the 30 two-way switch signals collecting input circuits in remote signalling unit module and distant arteries and veins unit module, and gather the switching signal state that connects in the input circuit at each path switching signal and show LED, its communication output circuit is a two-way communication output circuit.
2. four remote unit apparatus according to claim 1, it is characterized in that, mode of connection decision circuitry comprises resistance R 62, R63, comparator U5A/LM393, the X pin parallel connected end of four CD4051 treatment elements of one termination of resistance R 62, the positive input of another termination comparator U5A/LM393, the reverse input end ground connection of comparator U5A/LM393, comparator U5A/LM393 is connected to respectively+9V and-power supply of 9V, output connects data processing circuit.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013071777A1 (en) * | 2011-11-14 | 2013-05-23 | 航天科工深圳（集团）有限公司 | Remote signaling data acquisition method and device |
| CN103596331A (en) * | 2013-10-30 | 2014-02-19 | 江苏科技大学 | Street lamp control device and method allowing brightness to be adjusted according to light intensity changes |
| CN104049619A (en) * | 2014-06-30 | 2014-09-17 | 北京煜能电仪自动化技术有限公司 | Switching device remote monitoring terminal shared by remote control loop and remote communication loop |
| CN105404180A (en) * | 2015-10-15 | 2016-03-16 | 杭州巨步电子设备有限公司 | Node address setting method applied to intelligent cabinet bus control system |
| CN115963750A (en) * | 2022-12-14 | 2023-04-14 | 山东有人物联网股份有限公司 | Dry and wet node acquisition circuit, method, terminal equipment and computer storage medium |
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| CN101800443B (en) * | 2010-04-12 | 2012-12-19 | 北京南凯自动化系统工程有限公司 | Electric power on-site monitoring equipment |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013071777A1 (en) * | 2011-11-14 | 2013-05-23 | 航天科工深圳（集团）有限公司 | Remote signaling data acquisition method and device |
| CN103596331A (en) * | 2013-10-30 | 2014-02-19 | 江苏科技大学 | Street lamp control device and method allowing brightness to be adjusted according to light intensity changes |
| CN104049619A (en) * | 2014-06-30 | 2014-09-17 | 北京煜能电仪自动化技术有限公司 | Switching device remote monitoring terminal shared by remote control loop and remote communication loop |
| CN104049619B (en) * | 2014-06-30 | 2017-03-29 | 北京煜能电气有限公司 | The switching device remote monitoring terminal that a kind of remote control, remote signalling loop share |
| CN105404180A (en) * | 2015-10-15 | 2016-03-16 | 杭州巨步电子设备有限公司 | Node address setting method applied to intelligent cabinet bus control system |
| CN105404180B (en) * | 2015-10-15 | 2017-11-14 | 杭州巨步科技有限公司 | A kind of node address method to set up being applied in intelligent cabinet bus control system |
| CN115963750A (en) * | 2022-12-14 | 2023-04-14 | 山东有人物联网股份有限公司 | Dry and wet node acquisition circuit, method, terminal equipment and computer storage medium |
| CN115963750B (en) * | 2022-12-14 | 2024-06-04 | 山东有人物联网股份有限公司 | Dry and wet node acquisition circuit, method, terminal equipment and computer storage medium |
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| CN100568665C (en) | 2009-12-09 |
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