CN200997372Y - Network intelligent controller of low-voltage circuit breaker - Google Patents

Network intelligent controller of low-voltage circuit breaker Download PDF

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Publication number
CN200997372Y
CN200997372Y CNU2006201249544U CN200620124954U CN200997372Y CN 200997372 Y CN200997372 Y CN 200997372Y CN U2006201249544 U CNU2006201249544 U CN U2006201249544U CN 200620124954 U CN200620124954 U CN 200620124954U CN 200997372 Y CN200997372 Y CN 200997372Y
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module
pin
dsp
input
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黄巧亮
曾庆军
陈国军
蔡亮
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Jiangsu University of Science and Technology
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Jiangsu University of Science and Technology
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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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • 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
    • 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
    • Y04S40/128—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 involving the use of Internet protocol

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Abstract

The utility model relates to a low-pressure breaker network intelligent controller, which comprises a power supply module, a DSP processor and expanding memorizer, a current voltage sampling module, a simulation buckle module, a switch control output module, a fingerboard input module, a LCD module, a CAN bus line communication module, a TCP/IP network communication module and is characterized in that the A/D input terminal of the current, the voltage sampling module and the DSP processor is connected; the current, the voltage sampling module and the simulation buckle module are connected; the switch control module input terminals are respectively connected with the simulation buckle module output terminal and the output terminal of the DSP processor switch control signal; the DSP processor and the fingerboard input module are connected; the DSP processor and the LCD module are connected; the DSP processor embedded with a CAN controller and CAN bus line communication module are connected; the DSP processor and DSP expanding memorizer are connected; and the DSP processor and the TCP/IP network communication module are connected.

Description

A kind of low-voltage circuit breaker network-enabled intelligent controller
Technical field
The utility model belongs to low-voltage electrical apparatus protection apparatus field, refers in particular to a kind of low-voltage circuit breaker network-enabled intelligent controller.
Background technology
Along with microelectric technique, computer technology and development of internet technology, smart machine has communication function becomes possibility.The communication mode of low-voltage circuit breaker intelligent control unit is developed to fieldbus, ethernet communication mode by traditional RS232, RS485 etc.The fieldbus mode is compared with traditional approach, Installation and Debugging are simple relatively, cost is lower, but the field bus communication mode is only arranged, when being applied to networked system, need to link to each other with the upper monitoring computer by the higher fieldbus adapter of price, and the restriction of certain node number is arranged, and suitable and do not have a restriction of node number based on the communication mode price of Ethernet.
Pertinent literature about the network-enabled intelligent circuit breaker in the low-voltage electrical apparatus has the on-site bus type intelligent electrical apparatus release (patent No. ZL 200520069122.2) of using the DS80C390 realization at present, low-voltage intelligent circuit breaker based on Ethernet does not search pertinent literature, adjacent document based on Ethernet has application TMS320C6713, W3100, the networked devices intelligent monitoring device (patent No. ZL200420086530.4) that RTL8201BL etc. realize, the low-voltage circuit breaker network-enabled intelligent controller with CAN Bus and Internet communication that contains the simulation dropout does not appear in the newspapers.
Summary of the invention
The purpose of this utility model is to provide a kind of low-voltage circuit breaker network-enabled intelligent controller with CAN Bus and Internet communication, integrate high speed acquisition, processing in real time, parameter setting, network monitoring, have characteristics such as good in real time, that reliability is high, cost is low.
A kind of low-voltage circuit breaker network-enabled intelligent controller of the present utility model comprises: power module, dsp processor and outer extension memory, current-voltage sampling module, simulation dropout module, divide-shut brake control output module, keyboard input module, LCD MODULE, CAN bus communication module, TCP/IP network communication module.
Wherein electric current, voltage sample module link to each other with the A/D input of dsp processor, electric current, voltage sample module link to each other with simulation dropout module, divide, the input of switch-on controlling module links to each other with the output of the output of simulation dropout module and dsp processor branch, energization control signal respectively, dsp processor links to each other with the keyboard input module, dsp processor links to each other with LCD MODULE, the embedded CAN controller of dsp processor links to each other with CAN bus communication module, dsp processor links to each other with the DSP outer extension memory, and dsp processor links to each other with the TCP/IP network communication module.
Sampling module provides signal for simulation dropout module and the embedded A/D of DSP, when occurring especially big short circuit current (fault that is short-circuited when normally moving or circuit breaker are closed a floodgate by disconnection on the short circuit current) in the circuit, simulation is threaded off and is sent trip signal, through sub-gate control circuit circuit breaker is disconnected, and without the processing of DSP, under other situation, DSP changes, handles signal and judge whether to report to the police or the protection action; LCD MODULE also can combine with keyboard and realize parameter setting, information inquiry in order to show real-time current, magnitude of voltage or failure condition; CAN controller that DSP is embedded and CAN bus communication module are harmonious, and can realize region selection interlock, cascade protection coordination, to solve the matching problem of electrical network inter-stage selective protection, can avoid enlarging the power failure scope, guarantee the continued power of non-faulty component; The TCP/IP Network Interface Module that combines with RTL8019AS and constitute with AT89S8252, and carry out exchanges data by serial communication between the DSP, can realize network configuration, remote centralized control and management.
In described electric current, the voltage sample module, the input pin of current transformer output signal end concatenation operation amplifier U2, the output pin of operational amplifier U2 is received the input of simulation dropout module, and the input pin of operational amplifier U2 connects A/D input and the ground connection of DSP; The input pin of voltage transformer output signal termination operational amplifier U17, and then connect A/D input and the ground connection of DSP, the current-voltage sampling module provide signal can for simulation dropout module and the embedded A/D of DSP.
Described simulation dropout module forms circuit by reference voltage and window comparator circuit is formed, and current signal X1, X2, the X3 after once amplifying in the sampling module connects the input pin of integrated comparator U18, integrated comparator U19 respectively; Reference voltage under close a floodgate moment and the stable state is provided; Be input to the input pin of operational amplifier U20, the output of operational amplifier U20 connects the input pin of integrated comparator U18 and integrated comparator U19, and another output pin of operational amplifier U20 is received the input pin of integrated comparator U18 and integrated comparator U19; The output pin output high level of integrated comparator U19 connects the input pin of integrated comparator U19.
Described branch, combined floodgate control output module is made up of optical coupling isolation circuit and output driving circuit, DSP and simulate sub-gate signal that the dropout module sends with " or " mode receive the pin of optocoupler U26, switching signal connects another pin of optocoupler U26; Output driving circuit discharges circuit D37, R87 by power tube T3, T4, induced electromotive force, and D39, R88 form, and the control end of power tube is received the different pins of optocoupler U26 respectively.
Described CAN bus communication module, form by high speed photo coupling, CAN bus transceiver, the embedded CAN controller of DSP links to each other with high speed photo coupling U5, U6, and high speed photo coupling U5, U6 link to each other with CAN bus transceiver U7 again, and CAN bus transceiver U7 links to each other with CAN bus CANH, CANL again.CAN bus transceiver U7 is the interface between CAN controller and physical bus, can provide to the differential transmitting capacity of bus with to the differential receiving ability of CAN controller, convert common high-low level to difference form and outwards send, transmit signal to strengthen, increase transmission range.
Described LCD MODULE comprises LCD MODULE interface, level transferring chip and decoding circuit etc.Wherein the data/address bus of DSP is through level transferring chip U14, link to each other with the data/address bus of LCD MODULE through the LCD MODULE interface again, the pin of DSP selects pin to link to each other through the decoding circuit that U15, U16 constitute with the sheet of LCD MODULE, and Liquid Crystal Module combines with the keyboard input.Can realize that the power circuit relevant parameter reads, function such as failure logging and parameter are provided with.
Described TCP/IP network communication module is by microprocessor IC1, network controller IC2, Serial E 2PROM chip, separation filter IC3 form, and the data/address bus of microprocessor IC1, address bus link to each other with the least-significant byte data/address bus of network controller IC2, low 5 bit address buses respectively; Two I/O pins of microprocessor IC1 respectively with Serial E 2The corresponding pin of PROM chip IC 5 links to each other; The serial ports pin of microprocessor IC1 links to each other with the serial ports pin of DSP respectively through level transferring chip, and both carry out the exchange of information by serial mode; Network controller IC2 links to each other with network interface card CON1 via isolating chip IC3, and CON1 is connected on the Ethernet by network interface card.
Described real application systems network configuration can be by linking to each other by CAN Bus between a plurality of low-voltage circuit breakers of being furnished with the network-enabled intelligent controller; Link to each other by Ethernet between circuit breaker and the upper monitoring machine.Many groups equipment can be realized functions such as zone selective interlock, cascade protection by the CAN bus; One or more upper PC supervisory control comuter directly links to each other with intelligent breaker by Ethernet, can make up different remote monitoring patterns flexibly and easily.
Description of drawings
Fig. 1 is the structure composition frame chart of the utility model embodiment;
Fig. 2 is electric current, the voltage sample modular circuit schematic diagram of the utility model embodiment;
Fig. 3 is the simulation dropout modular circuit schematic diagram of the utility model embodiment;
Fig. 4 is branch, the combined floodgate control output module circuit theory diagrams of the utility model embodiment;
Fig. 5 is the CAN bus communication modular circuit schematic diagram of the utility model embodiment;
Fig. 6 is the LCD MODULE circuit theory diagrams of the utility model embodiment;
Fig. 7 is the TCP/IP network communication module circuit theory diagrams of the utility model embodiment;
Fig. 8 is the system network architecture schematic diagram of the utility model practical application.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1, sensor output signal is through electric current, the voltage sample module A/D input to DSP, wherein current sampling signal also is connected to the input of simulation dropout module after one-level is amplified, when especially big short circuit current of appearance or circuit breaker under the normal operating condition are closed a floodgate short circuit current by disconnection on, the input signal of simulation dropout module surpasses the value of regulation, comparing element sends trip signal, through sub-gate control circuit circuit breaker disconnected, and without the processing of DSP.
As shown in Figure 2, current transformer output signal connecting resistance R18, resistance R 18 connects capacitor C 6 again, while resistance R 18 connecting resistance R19, resistance R 19 connects capacitor C 8, and resistance R 19 connects 3 pin of operational amplifier U2A simultaneously, once amplify, the 2 pin connecting resistance R23 of operational amplifier U2A, while pin 2 connecting resistance R22, resistance R 22 connects the 1 pin output of operational amplifier U2A again; The input of simulation dropout module is received in the 1 pin output of operational amplifier U2A, the connecting resistance of 1 pin output simultaneously R26, resistance R 26 connects 10 pin of operational amplifier U2C again, carrying out secondary amplifies, the 9 pin connecting resistance R28 of operational amplifier U2C, while connecting resistance R30, resistance R 30 connects the 8 pin output of operational amplifier U2C again; The 8 pin connecting resistance R32 of operational amplifier U2C, resistance R 32 connects the A/D input of DSP again, resistance R 32 connects the anode of decoupling capacitor C12, resistance R 34, limiter diode D4, the negative electrode of limiter diode D5 simultaneously, and the anode of limiter diode D5 meets decoupling capacitor C12, simultaneously ground connection; The negative electrode connecting resistance R34 of limiter diode D4 meets power vd D simultaneously.Voltage transformer output signal connecting resistance R79,10 pin that resistance R 79 meets operational amplifier U17C again amplify, the 9 pin connecting resistance R80 of operational amplifier U17C, the 10 connecting resistance R91 of operational amplifier U17C, resistance R 91 connects the 8 pin output of operational amplifier U17C again, the 8 pin connecting resistance R82 of operational amplifier U17C, resistance R 82 connects the A/D input of DSP again, resistance R 82 connects the anode of decoupling capacitor C46, resistance R 83, limiter diode D20, the negative electrode of limiter diode D21 simultaneously, the anode of limiter diode D21 meets decoupling capacitor C46, simultaneously ground connection; The negative electrode connecting resistance R83 of limiter diode D20 meets power vd D simultaneously.
As shown in Figure 3, the 8 pin connecting resistance R66 of integrated comparator U19C, 8 pin connect the anode of diode D16 and "+" end of electrochemical capacitor C67 simultaneously, and resistance R 66 connects the negative electrode of diode D16, meets power supply VCC simultaneously; The 9 pin connecting resistance R64 of integrated comparator U19C, 10 pin of while 9 pin connecting resistance R63 and integrated comparator U1D9, resistance R 63 meets power supply VCC again; The 13 pin connecting resistance R62 of integrated comparator U19D, 13 pin connect the base stage of triode T5 simultaneously, and resistance R 62 meets power supply VCC again; The grounded emitter of triode T5, the collector electrode connecting resistance R61 of triode T5, while collector electrode connecting resistance R60, resistance R 60 connects 3 pin of operational amplifier U20A again, while resistance R 60 connecting resistance R59, resistance R 59 meets power supply VCC again; 2 pin of operational amplifier U20A link to each other with output 1 pin, 1 pin of operational amplifier U20A connect integrated comparator U18B 7,11 pin of U18D and 7 pin of integrated comparator U19B, the 1 pin connecting resistance R57 of while operational amplifier U20A, resistance R 57 connects 6 pin of operational amplifier U20B again, while resistance R 57 connecting resistance R56, resistance R 56 connects output 7 pin of operational amplifier U20B again, the 5 pin connecting resistance R58 of operational amplifier computing U20B, output 7 pin of operational amplifier U20B connect integrated comparator U18A 4,8 pin of U18C and 4 pin of integrated comparator U19A; R50～R55 is a pull-up resistor, and an end links to each other with VCC, and the other end links to each other with 2 pin, 1 pin of 2 pin, 1 pin, 13 pin, 14 pin and the integrated comparator U19 of integrated comparator U18 respectively; The end of D10～D15 links to each other with simulation dropout input, and the other end links to each other with 2 pin, 1 pin of 2 pin, 1 pin, 14 pin, 13 pin and the integrated comparator U19 of integrated comparator U18 respectively; C44, C45, C46, C47, C64, C65 are decoupling capacitor, and the end of C44, C46, C64 links to each other with+12 volts of power supplys, other end ground connection, and the end of C45, C47, C65 links to each other other end ground connection with-12 volts of power supplys.
As shown in Figure 4, the sub-gate signal that the simulation dropout is sent connects the negative electrode of diode D33, the sub-gate signal that DSP sends connects the negative electrode of diode D34, the anode of diode D33 connects 2 pin of optocoupler U26, the anode of diode D33 connects anode and the resistance R 78 of diode D34 simultaneously, and resistance R 78 meets power supply VCC again; The switching signal that DSP sends connects 4 pin of optocoupler U26; The 3 pin connecting resistance R79 of optocoupler U26, resistance R 79 meets power supply VCC again, the 1 pin connecting resistance R80 of optocoupler U26, resistance R 80 meets power supply VCC again, and 6 pin, 8 pin of optocoupler U26 meet power supply VCCL simultaneously; 7 pin of optocoupler U26 connect the base stage of hybrid power tube T3, and 5 pin of optocoupler U26 connect the base stage of hybrid power tube T4; The grounded emitter of hybrid power tube T3, the collector electrode of hybrid power tube T3 connects the coil of separating brake magnetic flow convertor, the collector electrode connecting resistance R87 of while hybrid power tube T3, resistance R 87 connects the anode of diode D37 again, the negative electrode of diode D37 connects the negative electrode of diode D36, the coil of the negative electrode separating brake magnetic flow convertor of while diode D37, the anode of diode D36 connect "+" end of electrochemical capacitor C79; The grounded emitter of hybrid power tube T4, the collector electrode of hybrid power tube T4 engages the coil of lock magnetic flow convertor, the collector electrode connecting resistance R88 of while hybrid power tube T4, resistance R 88 connects the anode of diode D39 again, the negative electrode of diode D39 connects the negative electrode of diode D38, the coil of the negative electrode combined floodgate magnetic flow convertor of while diode D39, the anode of diode D38 connect "+" end of electrochemical capacitor C79; C68 is a decoupling capacitor, a termination power VCCL, other end ground connection.
As shown in Figure 5, the embedded CAN controller of DSP links to each other with the 3rd, 6 pin of high speed photo coupling U5, U6 respectively through the 72nd, 70 pin of DSP, the 6th, 3 pin of high speed photo coupling U5, U6 link to each other with the 1st, 4 pin of CAN bus transceiver U7 respectively, and the 7th, 6 pin of CAN bus transceiver U7 link to each other with CANH, the CANL of CAN bus respectively; The 2 pin connecting resistance R46 of high speed photo coupling U5, resistance R 46 meets power supply VCC again, the 2 pin connecting resistance R49 of high speed photo coupling U6, resistance R 49 meets power supply VCCL again; The 8 pin connecting resistance R51 of CAN controller U7; Resistance R 45, R47, R48, R50 are pull-up resistor, resistance R 45 1 termination power VCC, 6 pin of another termination high speed photo coupling U6; Resistance R 47 1 termination power VCC, 7 pin of another termination high speed photo coupling U6; Resistance R 48 1 termination power VCCL, 7 pin of another termination high speed photo coupling U5; Resistance R 50 1 termination power VCCL, 6 pin of another termination high speed photo coupling U5; C19～C21 is a decoupling capacitor, and an end links to each other with VCCL, other end ground connection.
As shown in Figure 6, data/address bus DB0～the DB7 of Liquid Crystal Module links to each other with least-significant byte data/address bus D0～D7 of DSP through 1A1～1A8, the 1B1～1B8 of level transferring chip U14,1 pin of U14,24 pin are connecting resistance R100 and resistance R 101 respectively, and resistance R 100 meets power vd D again with resistance R 101; 93 pin of DSP, 89 pin read/write signal link to each other with 6 pin, 5 pin of Liquid Crystal Module respectively, and 46 pin of DSP link to each other with 8 pin of Liquid Crystal Module; 2 pin of 82 pin of DSP, 31 pin difference NAND gate U15,3 pin of XOR gate U16 link to each other, and 4 pin of XOR gate U16 link to each other with 7 pin of Liquid Crystal Module; The resetting pin 9 connecting resistance R36 of Liquid Crystal Module, resetting pin 9 connects "+" end of electrochemical capacitor C14 simultaneously; The backlight control pin 20 of Liquid Crystal Module connects 4 pin of optocoupler U10, the 3 pin connecting resistance R64 of optocoupler U10, and resistance R 64 meets power supply VCC again, and 2 pin of optocoupler U10 connect 88 pin of DSP, the 1 pin connecting resistance R62 of optocoupler U10, resistance R 62 meets power supply VCC again.
As shown in Figure 7, the P2.0～P2.4 of the P0 mouth of microprocessor IC1 and P2 mouth links to each other with least-significant byte data/address bus SD0～SD7 of network controller IC2, low 5 bit address bus SA0～SA4 respectively; 26,27 pin of microprocessor IC1 connect Serial E 25,6 pin of PROM storage chip IC5, Serial E 25,6 pin of PROM storage chip IC5 are connecting resistance R4, R3 respectively, and resistance R 4, R3 meet power supply VCC again; The P2.7 of microprocessor IC1 connects 33 pin of network controller IC2; 45 pin of network controller IC2 connect capacitor C 1, while 45 pin connecting resistance R2, resistance R 2 connects 1 pin of isolating chip IC3 again, 46 pin of network controller IC2 connect capacitor C 2, while 46 pin connecting resistance R1, resistance R 1 connects 3 pin of isolating chip IC3 again, and 59 pin of network controller IC2 connect 4 pin of isolating chip IC3, and 58 pin of network controller IC2 connect 6 pin of isolating chip IC3; 51 pin of network controller IC2 meet crystal oscillator CRYSTAL2, and 51 pin meet decoupling capacitor C6 simultaneously, and 50 pin of network controller IC2 meet crystal oscillator CRYSTAL2, and 50 pin meet decoupling capacitor C7 simultaneously; CON1 links to each other with network interface card, can be connected on the Ethernet by CON1; The 96 pin connecting resistance R5 of network controller IC2; 2 pin of isolating chip IC3 connect capacitor C 3, and 8,11 pin of isolating chip IC3 meet capacitor C 8, C9 respectively, and 7,9,10,12 pin of isolating chip IC3 connect 6,3,2,1 pin of network interface CON1 respectively; 18 pin of microprocessor IC1 meet crystal oscillator CRYSTAL1, and 18 pin meet decoupling capacitor C4 simultaneously, and 19 pin of microprocessor IC1 meet crystal oscillator CRYSTAL1, and 19 pin meet decoupling capacitor C4 simultaneously; 10 pin of microprocessor IC1 connect 13 pin of level transferring chip U14, and 11 pin of microprocessor IC1 connect 35 pin of level transferring chip U14; 36 pin of level transferring chip U14 connect 25 pin of DSP, and 14 pin of level transferring chip U14 connect 26 pin of DSP; In the P1 mouth 1,2 is connected to the negative electrode of the light-emitting diode on the panel.
As shown in Figure 8, intelligent controller of the present utility model links to each other with electrical network through transducer, links to each other with the CAN fieldbus networks by CAN bus communication module simultaneously, links to each other with Ethernet by the TCP/IP network communication module.
The utility model in force, use and alternative chip as follows:
DSP is TMS320LF2407A, TMS320LF2407
High speed photo coupling is 6N137, HCPL-2601, HCPL-2611.
Integrated transporting discharging is LM224, LM124, LM324, LM2902
Integrated comparator is LM339, LM139, LM239, LM2901, LM3302
Triode uses S9016, S9016
Hybrid power tube uses TIP41C, DB127.

Claims (7)

1, a kind of low-voltage circuit breaker network-enabled intelligent controller comprises power module, dsp processor and outer extension memory, current-voltage sampling module, simulation dropout module, divide-shut brake control output module, keyboard input module, LCD MODULE, CAN bus communication module, TCP/IP network communication module; It is characterized in that: electric current, the voltage sample module links to each other with the A/D input of dsp processor, electric current, the voltage sample module links to each other with simulation dropout module, divide, the input of switch-on controlling module respectively with the output and the dsp processor branch of simulation dropout module, the output of energization control signal links to each other, dsp processor links to each other with the keyboard input module, dsp processor links to each other with LCD MODULE, the embedded CAN controller of dsp processor links to each other with CAN bus communication module, dsp processor links to each other with the DSP outer extension memory, and dsp processor links to each other with the TCP/IP network communication module.
2, a kind of low-voltage circuit breaker network-enabled intelligent controller according to claim 1, it is characterized in that: in wherein said electric current, the voltage sample module, an input pin of current transformer output signal end concatenation operation amplifier (U2), an output pin of operational amplifier (U2) is received the input of simulation dropout module, and an input pin of operational amplifier (U2) connects A/D input and the ground connection of DSP; An input pin of voltage transformer output signal termination operational amplifier (U17), and then connect A/D input and the ground connection of DSP, the current-voltage sampling module provide signal can for simulation dropout module and the embedded A/D of DSP.
3, a kind of low-voltage circuit breaker network-enabled intelligent controller according to claim 1, it is characterized in that: described simulation dropout module forms circuit by reference voltage and window comparator circuit is formed, and current signal X1, X2, the X3 after once amplifying in the sampling module connects an input pin of integrated comparator (U18), integrated comparator (U19) respectively; Reference voltage under close a floodgate moment and the stable state is provided; Be input to an input pin of operational amplifier (U20), an output of operational amplifier (U20) connects an input pin of integrated comparator (U18) and integrated comparator (U19), and another output pin of operational amplifier (U20) is received an input pin of integrated comparator (U18) and integrated comparator (U19); An output pin output high level of integrated comparator (U19) connects an input pin of integrated comparator (U19).
4. a kind of low-voltage circuit breaker network-enabled intelligent controller according to claim 1, it is characterized in that: described branch, combined floodgate control output module are made up of optical coupling isolation circuit and output driving circuit, the sub-gate signal that DSP and simulation dropout module are sent with " or " mode receive a pin of optocoupler (U26), switching signal connects another pin of optocoupler (U26); Output driving circuit discharges circuit (D37, R87, D39, R88) by power tube (T3, T4), induced electromotive force to be formed, and the control end of power tube is received the different pins of optocoupler (U26) respectively.
5. a kind of low-voltage circuit breaker network-enabled intelligent controller according to claim 1, it is characterized in that: described CAN bus communication module, form by high speed photo coupling, CAN bus transceiver, the embedded CAN controller of DSP links to each other with high speed photo coupling (U5, U6), high speed photo coupling (U5, U6) links to each other with CAN bus transceiver (U7) again, and CAN bus transceiver (U7) links to each other with CAN bus (CANH, CANL) again.
6. a kind of low-voltage circuit breaker network-enabled intelligent controller according to claim 1, it is characterized in that: described LCD MODULE, the data/address bus that comprises DSP is through level transferring chip (U14), link to each other with the data/address bus of LCD MODULE through the LCD MODULE interface again, the pin of DSP selects pin to link to each other through the decoding circuit that (U15, U16) constitutes with the sheet of LCD MODULE, and Liquid Crystal Module combines with the keyboard input.
7. a kind of low-voltage circuit breaker network-enabled intelligent controller according to claim 1 is characterized in that: described TCP/IP network communication module is by microprocessor (IC1), network controller (IC2), Serial E 2PROM chip, separation filter (IC3) are formed, and the data/address bus of microprocessor (IC1), address bus link to each other with the least-significant byte data/address bus of network controller (IC2), low 5 bit address buses respectively; Two I/O pins of microprocessor (IC1) respectively with Serial E 2The corresponding pin of PROM chip (IC5) links to each other; The serial ports pin of microprocessor (IC1) links to each other with the serial ports pin of DSP respectively through level transferring chip, and both carry out the exchange of information by serial mode; Network controller (IC2) links to each other with network interface card (CON1) via isolating chip (IC3), and (CON1) is connected on the Ethernet by network interface card.
CNU2006201249544U 2006-11-07 2006-11-07 Network intelligent controller of low-voltage circuit breaker Expired - Fee Related CN200997372Y (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
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CN101944771A (en) * 2010-08-13 2011-01-12 上海思源弘瑞自动化有限公司 Secondary loop panoramic state monitoring system for electric operating mechanism of circuit breaker
CN102324790A (en) * 2011-09-22 2012-01-18 浙江乾龙科技有限公司 Intelligent management terminal of circuit breaker
CN102868148A (en) * 2011-05-20 2013-01-09 中环光伏系统有限公司 Intelligent breaker for solar cell component string and protecting method
CN103050934A (en) * 2012-12-27 2013-04-17 江苏科技大学 Intelligent control device of circuit breaker
CN104198932A (en) * 2014-08-18 2014-12-10 江苏科技大学 High voltage circuit breaker machinery property online monitoring system and fault diagnosis method
CN104460661A (en) * 2014-12-05 2015-03-25 国家电网公司 Remote debugging system capable of conducting remote outage resetting and remote monitoring

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101944771A (en) * 2010-08-13 2011-01-12 上海思源弘瑞自动化有限公司 Secondary loop panoramic state monitoring system for electric operating mechanism of circuit breaker
CN101944771B (en) * 2010-08-13 2012-07-25 上海思源弘瑞自动化有限公司 Secondary loop panoramic state monitoring system for electric operating mechanism of circuit breaker
CN102868148A (en) * 2011-05-20 2013-01-09 中环光伏系统有限公司 Intelligent breaker for solar cell component string and protecting method
CN102868148B (en) * 2011-05-20 2016-01-20 中环光伏系统有限公司 For Intelligent circuit breaker and the guard method of solar module string
CN102324790A (en) * 2011-09-22 2012-01-18 浙江乾龙科技有限公司 Intelligent management terminal of circuit breaker
CN103050934A (en) * 2012-12-27 2013-04-17 江苏科技大学 Intelligent control device of circuit breaker
CN104198932A (en) * 2014-08-18 2014-12-10 江苏科技大学 High voltage circuit breaker machinery property online monitoring system and fault diagnosis method
CN104460661A (en) * 2014-12-05 2015-03-25 国家电网公司 Remote debugging system capable of conducting remote outage resetting and remote monitoring
CN104460661B (en) * 2014-12-05 2017-12-12 国家电网公司 The remote debugging system of long-range turn-off reset and remote monitoring can be carried out

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