CN101969228A - Communication adapter of residual current circuit breaker - Google Patents

Communication adapter of residual current circuit breaker Download PDF

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Publication number
CN101969228A
CN101969228A CN2010102757696A CN201010275769A CN101969228A CN 101969228 A CN101969228 A CN 101969228A CN 2010102757696 A CN2010102757696 A CN 2010102757696A CN 201010275769 A CN201010275769 A CN 201010275769A CN 101969228 A CN101969228 A CN 101969228A
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circuit
output
input
connect
power
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潘春荣
余永辉
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ZHEJIANG HAODUN ELECTRIC CO Ltd
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ZHEJIANG HAODUN ELECTRIC CO Ltd
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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
    • 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
    • Y04S40/126—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 wireless data transmission

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Abstract

The invention relates to a communication adapter of a residual current circuit breaker , which comprises a power circuit 1, a filtering and voltage stabilizing circuit 2, a microprocessor circuit 3, a communication interface circuit 4, a data processing switching circuit 5, an operating keyboard circuit 6, a liquid crystal display circuit 7, a wireless communication module circuit 8, an SIM (Subscriber Identity Module) communication card connecting circuit 9, a power carrier circuit 12, a communication status indicating circuit 10 and an automatic alarm circuit 11. The communication adapter is specially used for transmitting the relevant information of setting parameters of an operation and control command of the residual current circuit breaker and automatically finishing the action of rebuckling and reswitching on after tripping so that a power grid can be timely put into operation. The communication adapter has the advantages of operation and control informatization realization of the residual current circuit breaker , labor saving, labor intensity reduction, and safe operation and timely operation of the power grid.

Description

The communications adapter of residual current circuit breaker
Technical field
The present invention relates to a kind of transmit residual current circuit breaker setup parameter relevant information and control instruction, with the communications adapter of the wired or wireless transmitting-receiving of communicating terminal.
Background technology
The residual current circuit breaker of installing on the low voltage electric network all can realize automatic trip by parameter setting to electric leakage, overcurrent, the overvoltage that takes place, and the safe operation to electrical network plays crucial effects.Along with deepening continuously of relevant development work, technological means is advanced day by day, and the in good time reclosing after the residual current circuit breaker tripping operation to the appearance of electric switch-on until current electronic and dual-use manual closing device, has been realized electronic automatic closing by at first closing by hand.When power failure or electrical fault, also can adopt closing by hand, solve timely reclosing, realize that power system restoration puts into operation, guarantee the electricity consumption of living and producing.But the equal tube reason of above-mentioned activity personnel table look-up on the spot to the scene and take back information, or inform message with phone, mobile phone, effort, time-consuming and time-delay, and the operational percentage of reduction electrical network influences people's life and production.Nowadays, the arrival in electric network information epoch will inevitably produce revolutionary variation to the above-mentioned outmoded mode of intelligence transmission, develops a kind of communications adapter of residual current circuit breaker, is the requirement in epoch, also is the only way of real electric network reconstruction.
CN1825805A discloses " communications adapter that connects low voltage electric appliance field bus ", being widely used in low-voltage electrical apparatus communicates by letter with the data double-way between control appliance, therefore also be applicable to the bidirectional data communication of the simple circuit breaker of general utility functions, but this adapter is not suitable for the two-way communication between multifunctional electric leakage circuit breaker and the control appliance, and this patent is a wired connection, can not realize wireless telecommunications, using has certain limitation.
Summary of the invention
The technical problem to be solved in the present invention is to design a kind ofly both can wiredly to receive and dispatch, but wireless receiving and dispatching is exclusively used in the communications adapter of multi-functional residual current circuit breaker again.
The technical scheme that solves the problems of the technologies described above is: the communications adapter of this residual current circuit breaker, comprise power circuit, filtering and voltage stabilizing circuit, microcontroller circuit, the communication interface circuit, the data processing change-over circuit, operating keyboard circuit, liquid crystal display circuit, the wireless communication module circuit, SIM address card connecting circuit, the communication state indicating circuit, automatic alarm circuit and electrical power carrier circuit, the annexation of each circuit is: the 220V alternating current connects power circuit input or electrical power carrier circuit input, carry out the AC/DC conversion through power circuit or electrical power carrier circuit, enter the input of filtering and voltage stabilizing circuit after the output, through filtering and voltage stabilizing circuit output then is dc supply VCC, the output termination microcontroller circuit of filtering and voltage stabilizing circuit and the input of other operating circuit;
The input that the communication bus of device talk mouth or electrical power carrier circuit receives, transmitting terminal is connected the communication interface circuit, the input of the output termination data processing change-over circuit of communication interface circuit, the designated communication Data Receiving and the transmit port of the output termination microcontroller circuit of data processing change-over circuit;
The appointment input of the output termination microcontroller circuit of operating keyboard circuit, the input of the specific data output termination liquid crystal display circuit of microcontroller circuit;
Communication data input, the output of the designated communication data input of microcontroller circuit, output termination wireless communication module circuit, the output of the specified memory input termination SIM address card connecting circuit of wireless communication module circuit;
The appointed output terminal of microcontroller circuit and wireless communication module circuit is connected the input of news condition indication circuit; The appointed output terminal of microcontroller circuit and wireless communication module circuit connects the output of automatic alarm circuit.
The annexation of components and parts is in said each circuit: in the power circuit, the N of 220V AC power, L connect input port CON 3, CON 4, anti-lightning strike resistance R in parallel between N and L 0, at R 0Back shunt capacitance C 1, the N of power supply, L connect inductance L respectively 1Input, at L 1Output parallel connection and C 1The capacitor C of symmetry 2, N, L are through C 2Back and rectifier bridge D 0Input 1,3 connect D 0Output 2,4 also connects capacitor C 3, C 4, tandem electric inductance L 2, through L 2Output and high frequency transformer T 1Input connects, and controls integrated component U with power supply 4Power input connects, high frequency transformer T 1Input connect D 1, C 6, RL 7, RL 8, transformer T 1Output and D 3, C 10, C 11, C 12Element connects, and is connected to J after the output 1Input, dc power output end connects D 4, R 9, R 10, R 11, U 5, C 7, C 8, C 9Form voltage sampling, feedback regulation control circuit, U 5Output and U 4The 4th pin connects;
The annexation of each components and parts of electrical power carrier circuit is: N, L with power line 220V AC power connect input port CON 1, CON 2, N, L are through C 13Meet transformer T 2Input, T 2Output termination D 5Input, through D 5After wherein one the tunnel meet R 1, C 14, C 15, C 16, L 3, D 6, D 7, C 16Output INT meets J 4Input, through D 5After another road meet L 4Input, L 4Output is through C 17, Q 1, Q 3, D 8, D 9, output termination J 3Input, Q 1, Q 3Connect termination Q 2, Q 4Link is through D 10, D 11, R 2, R 3, C 18, C 19, output OUT meets J 4Input;
The annexation of power circuit and filtering and each components and parts of voltage stabilizing circuit circuit is: J 1Or J 3Output connect the conversion switch S 5Input, S 5Output serial connection insurance resistance R 4With and meet filter element C 20, C 21, from C 20, C 21Meet voltage stabilizing integrated component U after the output 2Input, U 2Output connect sampling limiting element R 6, output power supply VCC, working power VCC output and microprocessor U 1, integrated component U 0, display YJ 1, communication module U 2Power input connect;
The annexation of communication interface circuit and each components and parts of data processing change-over circuit is: nine kinds of needles socket J 2The communication pin connect the conversion switch S 0Input 1,3, if carrier communication, then J 4Output connect the conversion switch S 0Input 2,4, S 0Output termination R 7, R 8, R 9Back and integrated component U 0Differential signal end TA, TB connect U 0Reception output TXD 1With driving input RXD 1Respectively with microprocessor U 1TXD, RXD pin connect U 0Reception and send Enable Pin TX and microprocessor U 1The control end that enables connect;
The annexation of liquid crystal display circuit and each components and parts of microcontroller circuit is: LCD YJ 11 pin connect the output of Q5,2 pin meet GND, 3 pin are through R 17, R 18Connect VCC and GND output respectively, 4 pin are through R 19Connect the VCC output, 5,6,7,8 pin meet corresponding U respectively 1Output, the 9-16 pin is through R 12Meet corresponding U respectively 1Output, 17 pin meet Q 6Output, 18 pin meet GND;
The annexation of operating keyboard circuit and each components and parts of microcontroller circuit is: button S 1, S 2, S 3, S 4Input termination GND, the input and output between meet C respectively 23, C 24, C 25, C 26, S 1, S 2, S 3, S 4Output meet U respectively 1Pre-set signal input part;
The annexation of microcontroller circuit and each components and parts of wireless communication module circuit is: U 1RXD 2, TXD 2Pin meets U respectively 3Communication reception, transmitting terminal, U 1The IGT output through Q 7, R 30, R 31Meet U 3Enabling signal input control end, U 3Power input meet C 30, C 31, C 32Element;
Annexation between wireless communication module circuit and the SIM address card connecting circuit is: U 3Communication drive input termination SIM 1Data output end, SIM 1Power input connect the output of working power VCC;
Annexation between wireless communication module circuit and the communication state indicating circuit is: U 3The communication connection status judge that output is through R 22Meet LED 1Input, LED 1Output termination GND;
Annexation between microcontroller circuit and the automatic alarm circuit is: U 1The warning output through R 24Meet Q 8The control input end, Q 8Output through SP 1, R 25Connect the VCC output.
LCD in the said liquid crystal display circuit is the OCM12232-1 display.
Button in the said operating keyboard circuit is SW-PB12 * 12 * 11.
Said L 1Inductance is 10mH; L 2Inductance is 2.2mH; L 3And L 4Inductance is 18uH.
Said U 0Integrated component is 485; U 1Integrated component is M9S8AC16; U 2Integrated component is TL431; U 3Integrated component is TC35; U 4Integrated component is NCP1215; U 5Integrated component is PC817.
Alarm in the said automatic alarm circuit is the YHE12-05 alarm.
The invention has the beneficial effects as follows: realize the monitoring of multifunctional electric leakage circuit breaker, the informationization of protecting and putting into operation, both can wiredly receive and dispatch, but wireless receiving and dispatching again, make management work laborsaving, save time and in time.
Description of drawings
Fig. 1 is a circuit block diagram of the present invention.
Fig. 2 a, Fig. 2 b, Fig. 2 c are electrical schematic diagram of the present invention.
Fig. 3 a, Fig. 3 b, Fig. 3 c are workflow diagram of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and with reference to accompanying drawing: with reference to Fig. 1, the communications adapter of this residual current circuit breaker is made up of power circuit 1, filtering and voltage stabilizing circuit 2, microcontroller circuit 3, communication interface circuit 4, data processing change-over circuit 5, operating keyboard circuit 6, liquid crystal display circuit 7, wireless communication module circuit 8, SIM address card connecting circuit 9, electrical power carrier circuit 12, communication state indicating circuit 10 and automatic alarm circuit 11.
With reference to Fig. 2 a, Fig. 2 b, Fig. 2 c, the annexation of each components and parts of communications adapter of this residual current circuit breaker is:
In power circuit 1: the N of alternating current 220V power supply, L connect input port CON 3, CON 4, an anti-lightning strike device R in parallel between N and L 0As the power supply front-end protection.At R 0Back capacitor C in parallel 1, N, L connect inductance L respectively 1Input, at L 1Output in parallel one and C 1The capacitor C of symmetry 2, go to disturb processing as power supply.N, L are through C 2Back and rectifier bridge D 0Input 1,3 connect D 0Output also connects capacitor C 3, C 4, tandem electric inductance L 2, form a direct voltage.Through L 2Output and high frequency transformer T 1Input connects, and with the integrated control element U of power supply 4Power input connects; U 45 pin be always to export drive end.High frequency transformer T 1Input termination D 1, C 6, RL 7, RL 8, as absorbing the spike circuit, with protection U 4Transformer T 1Output and D 3, C 10, C 12, C 12Connect Deng element, after over commutation, Filtering Processing, obtain dc supply, be connected to J after the output 1Input.Dc power output end connects D 4, R 9, R 10, R 11, U 5, C 7, C 8, C 9Form voltage sampling, feedback regulation control circuit Deng element.U 5Output and U 4The 4th pin connects, U 4After sampling, feedback signal and reference circuit are compared, in time adjust U automatically 4The external loop of 5 pin on the magnitude of current.Power supply dc output end calibration automatically constantly thus, guaranteeing has stable dc supply output.
Power application carrier circuit 12 should be specifically noted that, can not connect input port CON3, CON4 with N, the L of power line 220V AC power, should be to connect input port CON1, CON2.N, L are through C 13Be connected to transformer T 2Input, T 2Output be connected to D 5, through D 5After wherein one the tunnel connect R 1, C 14, C 15, C 16, L 3, D 6, D 7C 16Output INT is connected to J 4Input.Through D 5After another road be connected to L 4Input, L 4Output is through C 17, Q 1, Q 3, D 8, D 9, output is connected to J 3Input.Q 1, Q 3Link is connected to Q 2, Q 4Link is through D 10, D 11, R 2, R 3, C 18, C 19Output OUT is connected to J 4Input.
Power circuit 1 and filtering and voltage stabilizing circuit 2: according to actual communication mode J 1Or J 3Dc power output end connect the conversion switch S 5Input; S 5Output be connected in series an insurance resistance R 4 and and met filter element C 20, C 21From C 20, C 21Be connected to special-purpose voltage stabilizing integrated component U after the output 2Input; U 2Output connected a sampling limiting element R 6, and export stable working power VCC.Working power VCC output and microprocessor U 1, integrated component U 0, display YJ 1, communication module U 3Power input Deng element connects.
Communication interface circuit 4 and data processing change-over circuit 5: nine kinds of needles socket J 2The reception pin be connected to change over switch S 0Input 1,3, if carrier communication, then J 4Output be connected to change over switch S 0Input 2,4; S 0Output connect R 7, R 8, R 9Back and high-speed transitions integrated component U 0Differential signal end TA, TB connect; U 0The output TXD of receiver 1Input RXD with driver 1Respectively with microprocessor U 1The pin of TXD, RXD connect; U 0Reception and the Enable Pin TX of transmission be connected with the control end that enables of microprocessor.
Liquid crystal display circuit 7 and microcontroller circuit 3: LCD YJ 11 pin connect the output of Q5,2 pin meet GND, 3 pin are through R 17, R 18Connect VCC and GND output respectively, 4 pin are through R 19Connect the VCC output, 5,6,7,8 pin meet corresponding U respectively 1Output, the 9-16 pin is through R 12Meet corresponding U respectively 1Output, 17 pin meet Q 6Output, 18 pin meet GND;
Operating keyboard circuit 6 and microcontroller circuit 3: button S 1, S 2, S 3, S 4Input termination GND, the input and output between meet C respectively 23, C 24, C 25, C 26, S 1, S 2, S 3, S 4Output meet U respectively 1Pre-set signal input part;
Microcontroller circuit 3 and wireless communication module circuit 8:U 1RXD 2, TXD 2Pin meets U respectively 3Communication reception, transmitting terminal, U 1The IGT output through Q 7, R 30, R 31Meet U 3Enabling signal input control end, U 3Power input meet C 30, C 31, C 32Element;
Wireless communication module circuit 8 and SIM address card connecting circuit 9:U 3Communication drive input termination SIM 1Data output end, SIM 1Power input connect the output of working power VCC;
Wireless communication module circuit 8 and communication state indicating circuit 10:U 3The communication connection status judge that output is through R 22Meet LED 1Input, LED 1Output termination GND;
Microcontroller circuit 3 and automatic alarm circuit 11:U 1The warning output through R 24Meet Q 8The control input end, Q 8Output through SP 1, R 25Connect the VCC output.
The workflow of the communications adapter of this residual current circuit breaker is provided by Fig. 3 a, Fig. 3 b, Fig. 3 c, and operation principle is:
In power circuit 1: the power supply of alternating current 220V is from CON3, CON4 input, at first carried out the power supply front-end protection with anti-altogether, the differential mode power supply disturbs and handles; Through carrying out bridge rectifier after front-end protection and the anti-interference process, handle DC power supply of formation through the laggard capable filtering of over commutation, detuning ripple; Obtaining a comparatively pure working power after this DC power supply is handled through amplitude limit, dividing potential drop, decoupling exports from output J1.
If utilize power line carrier to carry out communication, then use carrier power source, in electrical power carrier circuit 12: power line alternating current 220V power supply is from CON 1, CON 2The port input, output connects anti-lightning strike protection element through transformation; One the tunnel through rectification, filtering, go disturb to handle, from J4 output as the carrier communication bus, by change over switch S 0Enter data processing change-over circuit 5; Other one the tunnel through over commutation, filtering, amplification, voltage stabilizing, go to disturb etc. handle after, from port J 3Output.
From J 1Or J 3The DC power supply of output is by change over switch S 5Be connected with voltage stabilizing circuit 2 inputs with the filtering of precision, use accurate integrated component to connect, carry out filtering accurately and voltage stabilizing and handle, obtain a dc supply VCC who is fit to operation element operate as normal such as microcontroller circuit 3 and wireless communication module circuit 8 fully.
The designated port of standard communication interface J2 or power carrier communication port J4 are by change over switch S 0With data processing change-over circuit 5 according to specific transmission with receive that bus is corresponding to be connected, enter into high speed data conversion integrator U 0, the instruction transmission of integrator is connected with the specified control port of microprocessor respectively with receiving terminal.
Microprocessor is connected with operating keyboard circuit 6, liquid crystal display circuit 7, wireless communication module circuit 8 and automatic alarm circuit 11 respectively by the port of appointment.
Utilize Multi-Function Keyboard can be to communication speed, poll time, communication state, carry parameters such as number of devices, communication destination address and set, these parameters have demonstration on LCD in setting operation.
Microprocessor can carry out analyzing and processing, preservation to the operating state of the data message that collects, PC etc.: can in time be transferred to LCD to real time data information that collects and operating state etc. on the one hand, and can be for the real time data and the operating state of closely checking PC; Simultaneously data message and operating state etc. is in time sent to wireless communication module on the other hand.
Wireless communication module is connected with communication state indicating circuit 10 by the port of appointment, judges the connection status of communication by the glittering situation of indicator light.
Wireless communication module is connected with SIM address card connecting circuit 9 by the port of appointment, constitutes a wireless signal transmission system.Signal transmission system receives data message and handles, and can directly be sent to control terminal by mobile communication wireless transmission signal; Or connecting Ethernet by gprs system, the TCP/IP address by appointment is connected to communication terminal user.
Communicating terminal instructs to wireless communication module circuit 8 by above-mentioned dual mode transmission according to data message that receives and actual electricity consumption situation.Communication module carries out after the analyzing and processing director data being transferred to microprocessor to the operational order of receiving, microprocessor judges that to director data distribution is executed the task.
Fig. 3 a, Fig. 3 b, Fig. 3 c have shown the communications adapter workflow of this residual current circuit breaker.
Select for use the model of components and parts as follows in the present embodiment:
One. resistance class device:
R 0：14K821；R 1：3.3K；R 2、R3：4.7R；R 4：FCR0805/0.5R；R 6、R 20、R 21：10K；R 7、R 8、R 25：47R；R 9：120R；R 9：200R；R 10、R 11、R 22：1K；R 12：A103J；R 13、R 14、R 15、R 16：5.1K；R 24、R 30、R 31：2K；RL 7、RL 8：240K；
Two. the capacitance kind device:
C 1、C 2：104/AC275V；C 3、C 4：2.2uF/400V；C 6：0.01uF/1000V；C 7、C 9：473；C 8：47uF/25V；C 10、C 11：470uF/16V；C 12、C 21、C 23、C 24、C 25、C 26：104；C 13：224/AC275V；C 14：200PF；C 15：1500PF；C 16：0.22uF；C 17、C 18、C 19、C 32：0.01uF；C 20：220uF/50V；C 30、C 31：220uF/25V；
Three. triode class device:
Q 1、Q 3：2SC185；Q 2：9014；Q 4：9015；Q 5、Q 6：9012；Q 7、Q 8：9013；
Four. display:
YJ 1：OCM12232-1；
Five. button:
S 1、S 2、S 3、S 4：SW-PB12×12×11；
Six. inductance element:
L 1：10mH；L 2：2.2mH；L 3、L 4：18uH；
Seven. the diode-like device:
D 0：S250；D 1、D 6、D 7、D 8、D 9：IN4007；D 3：SB360；D 4：BZX84C5V6；D 5：P6KE30CA；D 10、D 11：BZX84C5V6；
Eight. integrated component:
U 0：485；U 1：M9S8AC16；U 2：TL431；U 3：TC35；U 4：NCP1215；U 5：PC817；
Nine. alarm:
SP 1：YHE12-05。

Claims (7)

1. the communications adapter of a residual current circuit breaker, comprise power circuit (1), filtering and voltage stabilizing circuit (2), microcontroller circuit (3), communication interface circuit (4), data processing change-over circuit (5), operating keyboard circuit (6), liquid crystal display circuit (7), wireless communication module circuit (8), SIM address card connecting circuit (9), communication state indicating circuit (10), automatic alarm circuit (11) and electrical power carrier circuit (12), the annexation that it is characterized in that each circuit is: the 220V alternating current connects power circuit (1) input or electrical power carrier circuit (12) input, carry out the AC/DC conversion through power circuit (1) or electrical power carrier circuit (12), enter the input of filtering and voltage stabilizing circuit (2) after the output, through filtering and voltage stabilizing circuit (2) output then is dc supply VCC, the output termination microcontroller circuit (3) of filtering and voltage stabilizing circuit (2) and the input of other operating circuit;
The input that the communication bus of device talk mouth or electrical power carrier circuit (12) receives, transmitting terminal is connected communication interface circuit (4), the input of the output termination data processing change-over circuit (5) of communication interface circuit (4), the designated communication Data Receiving and the transmit port of the output termination microcontroller circuit (3) of data processing change-over circuit (5);
The appointment input of the output termination microcontroller circuit (3) of operating keyboard circuit (6), the input of the specific data output termination liquid crystal display circuit (7) of microcontroller circuit (3);
The designated communication data input of microcontroller circuit (3), the communication data input of output termination wireless communication module circuit (8), output, the output of the specified memory input termination SIM address card connecting circuit (9) of wireless communication module circuit (8);
The appointed output terminal of microcontroller circuit (3) and wireless communication module circuit (8) is connected the input of news condition indication circuits (10); The appointed output terminal of microcontroller circuit (3) and wireless communication module circuit (8) connects the output of automatic alarm circuit (11).
2. the communications adapter of residual current circuit breaker as claimed in claim 1 is characterized in that the annexation of components and parts in said each circuit is: in the power circuit (1), the N of 220V AC power, L connect input port CON 3, CON 4, anti-lightning strike resistance R in parallel between N and L 0, at R 0Back shunt capacitance C 1, the N of power supply, L connect inductance L respectively 1Input, at L 1Output parallel connection and C 1The capacitor C of symmetry 2, N, L are through C 2Back and rectifier bridge D 0Input 1,3 connect D 0Output 2,4 also connects capacitor C 3, C 4, tandem electric inductance L 2, through L 2Output and high frequency transformer T 1Input connects, and controls integrated component U with power supply 4Power input connects, high frequency transformer T 1Input connect D 1, C 6, RL 7, RL 8, transformer T 1Output and D 3, C 10, C 11, C 12Element connects, and is connected to J after the output 1Input, dc power output end connects D 4, R 9, R 10, R 11, U 5, C 7, C 8, C 9Form voltage sampling, feedback regulation control circuit, U 5Output and U 4The 4th pin connects;
The annexation of each components and parts of electrical power carrier circuit (12) is: N, L with power line 220V AC power connect input port CON 1, CON 2, N, L are through C 13Meet transformer T 2Input, T 2Output termination D 5Input, through D 5After wherein one the tunnel meet R 1, C 14, C 15, C 16, L 3, D 6, D 7, C 16Output INT meets J 4Input, through D 5After another road meet L 4Input, L 4Output is through C 17, Q 1, Q 3, D 8, D 9, output termination J 3Input, Q 1, Q 3Connect termination Q 2, Q 4Link is through D 10, D 11, R 2, R 3, C 18, C 19, output OUT meets J 4Input;
Power circuit (1) with the annexation of filtering and each components and parts of voltage stabilizing circuit circuit (2) is: J 1Or J 3Output connect the conversion switch S 5Input, S 5Output serial connection insurance resistance R 4With and meet filter element C 20, C 21, from C 20, C 21Meet voltage stabilizing integrated component U after the output 2Input, U 2Output connect sampling limiting element R 6, output power supply VCC, working power VCC output and microprocessor U 1, integrated component U 0, display YJ 1, communication module U 2Power input connect;
Communication interface circuit (4) with the annexation of each components and parts of data processing change-over circuit (5) is: nine kinds of needles socket J 2The communication pin connect the conversion switch S 0Input 1,3, if carrier communication, then J 4Output connect the conversion switch S 0Input 2,4, S 0Output termination R 7, R 8, R 9Back and integrated component U 0Differential signal end TA, TB connect U 0Reception output TXD 1With driving input RXD 1Respectively with microprocessor U 1TXD, RXD pin connect U 0Reception and send Enable Pin TX and microprocessor U 1The control end that enables connect;
Liquid crystal display circuit (7) with the annexation of each components and parts of microcontroller circuit (3) is: LCD YJ 11 pin connect the output of Q5,2 pin meet GND, 3 pin are through R 17, R 18Connect VCC and GND output respectively, 4 pin are through R 19Connect the VCC output, 5,6,7,8 pin meet corresponding U respectively 1Output, the 9-16 pin is through R 12Meet corresponding U respectively 1Output, 17 pin meet Q 6Output, 18 pin meet GND;
Operating keyboard circuit (6) with the annexation of each components and parts of microcontroller circuit (3) is: button S 1, S 2, S 3, S 4Input termination GND, the input and output between meet C respectively 23, C 24, C 25, C 26, S 1, S 2, S 3, S 4Output meet U respectively 1Pre-set signal input part;
Microcontroller circuit (3) with the annexation of each components and parts of wireless communication module circuit (8) is: U 1RXD 2, TXD 2Pin meets U respectively 3Communication reception, transmitting terminal, U 1The IGT output through Q 7, R 30, R 31Meet U 3Enabling signal input control end, U 3Power input meet C 30, C 31, C 32Element;
Annexation between wireless communication module circuit (8) and the SIM address card connecting circuit (9) is: U 3Communication drive input termination SIM 1Data output end, SIM 1Power input connect the output of working power VCC;
Annexation between wireless communication module circuit (8) and the communication state indicating circuit (10) is: U 3The communication connection status judge that output is through R 22Meet LED 1Input, LED 1Output termination GND;
Annexation between microcontroller circuit (3) and the automatic alarm circuit (11) is: U 1The warning output through R 24Meet Q 8The control input end, Q 8Output through SP 1, R 25Connect the VCC output.
3. the communications adapter of residual current circuit breaker as claimed in claim 1 or 2 is characterized in that the LCD in the said liquid crystal display circuit (7) is the OCM12232-1 display.
4. the communications adapter of residual current circuit breaker as claimed in claim 1 or 2 is characterized in that the button in the said operating keyboard circuit (6) is SW-PB12 * 12 * 11.
5. the communications adapter of residual current circuit breaker as claimed in claim 2 is characterized in that said L 1Inductance is 10mH; L 2Inductance is 2.2mH; L 3And L 4Inductance is 18uH.
6. the communications adapter of residual current circuit breaker as claimed in claim 2 is characterized in that said U 0Integrated component is 485; U 1Integrated component is M9S8AC16; U 2Integrated component is TL431; U 3Integrated component is TC35; U 4Integrated component is NCP1215; U 5Integrated component is PC817.
7. the communications adapter of residual current circuit breaker as claimed in claim 1 or 2 is characterized in that the alarm in the said automatic alarm circuit (11) is the YHE12-05 alarm.
CN2010102757696A 2010-09-07 2010-09-07 Communication adapter of residual current circuit breaker Pending CN101969228A (en)

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Application Number Priority Date Filing Date Title
CN2010102757696A CN101969228A (en) 2010-09-07 2010-09-07 Communication adapter of residual current circuit breaker

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CN101969228A true CN101969228A (en) 2011-02-09

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CN105610123A (en) * 2016-03-10 2016-05-25 浙江豪顿电气有限公司 Ammeter used relay having electric leakage protection function
CN105866485A (en) * 2016-04-28 2016-08-17 浙江豪顿电气有限公司 Integrated intelligent electricity meter with earth leakage protection function
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CN201477172U (en) * 2009-08-13 2010-05-19 福建俊豪电子有限公司 Electric leakage detection circuit system
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CN108768463A (en) * 2018-08-17 2018-11-06 苏州路易威森电梯有限公司 A kind of differential communication and power-line carrier network communication system

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Application publication date: 20110209