CN102098077A - Home appliance information communication system of asymmetric power line carrier and wireless communication - Google Patents
Home appliance information communication system of asymmetric power line carrier and wireless communication Download PDFInfo
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Abstract
The invention provides a home appliance information communication system of asymmetric power line carrier and wireless communication. The system comprises an electric energy meter gateway, a ZB-APLC (zinc borate-active power line conditioner) and a white information home appliance, wherein the white information home appliance comprises an APLC standard white information home appliance and a ZigBee standard white information home appliance; an APLC communication circuit of the APLC electric energy meter gateway is arranged in an electric energy meter, and the APLC electric energy meter gateway is accessed between a phase line and an N phase of a three-phase four-wire system at a lower voltage side of a 10kV/0.4kV distribution transformer of an electric power system; a ZB-APLC network bridge is electrically connected with the load of the white information home appliance, and the ZB-APLC network bridge is accessed into the electric system by the APLC electric energy meter gateway; digital communication is performed between the APLC electric energy meter gateway and the ZB-APLC network bridge by the asymmetric power line carrier communication, the communication between the APLC electric energy meter gateway and the ZB-APLC network bridge adopts a voltage type FSK (frequency shift keying) or S-FSK (spread frequency shift keying) modulating signal, and the communication between the ZB-APLC network bridge and the APLC electric energy meter gateway adopts a current type FSK or S-FSK modulating signal; and the information exchange between the ZB-APLC network bridge and the ZigBee standard white information home appliance can be realized by the ZigBee wireless communication.
Description
Technical field
The present invention relates to a kind of household electrical appliances information communication system towards domestic consumer or the user of unit electrification line carrier wave and wireless telecommunications; bridge in this system can carry out asymmetric electric power carrier number word communication with the electric energy meter gateway and implement control and information interaction; comprise carry out electric flux, electrical power, the water yield, gas quantity, time, earth leakage protective, open circuit negative control, rate etc. show and control that this bridge is by wireless ZigBee(communication standard employing IEEE802.15.4 simultaneously) household electrical appliances of standard and user's use and gauge table etc. carry out wireless telecommunications.Asymmetric electric power carrier communication is abbreviated as: APLC (Asymmetric Power line carrier).
Background technology
Current existing power line carrier electric energy meter automatic meter reading system is referring to accompanying drawing 1A and Figure 1B.Electronic electric energy meter is a kind of ammeter of electric energy metrical, power carrier concentrator (main frame) is by 380VAC three-phase and four-line power line and each power carrier electric energy meter (slave), what carry out is that a kind of main frame and slave all are on power line, parallel coupled voltage-type modulated carrier signal carries out communication, is referred to as: symmetrical power line carrier electrical energy meter automatic meter reading system.It is current that also not have electric energy meter be gateway (main frame), power line by electric energy meter output enter in the user family with user family in household electrical appliances (slave), carry out the mutual device with control of asymmetric electric power carrier communication implementation information, also do not have a kind of display unit that can show various energy bearing powers and use amount in the family.
Summary of the invention
The objective of the invention is to, the household electrical appliances information communication system of a kind of asymmetric electric power carrier wave and wireless telecommunications is provided, and this system comprises: the information household appliances three parts of asymmetric electric power carrier electric energy meter gateway, asymmetric electric power carrier wave and wireless telecommunications network bridge device and APLC standard and the communication of wireless ZigBee standard; The asymmetric electric power carrier electric energy meter of first gateway in this system is called for short APLC electric energy meter gateway: be a kind of electric energy meter gateway that carries out communication by asymmetric power line carrier and information household appliances; Asymmetric electric power carrier wave of second portion and wireless telecommunications network bridge device are a kind ofly to carry out the device of information link bridge joint by asymmetric electric line carrier communication and the communication of wireless ZigBee standard, are called for short the ZB-APLC bridge; The ZB-APLC bridge possesses demonstrations such as electric flux, electrical power, time, rate and earth leakage protective, the control of opening circuit of loading simultaneously, and carries out wireless telecommunications by water, the gas gauge table of wireless ZigBee communication standard in the family; The information household appliances of third part APLC standard and the communication of wireless ZigBee standard are meant the white information household electrical appliances of APLC standard and the communication of wireless ZigBee standard and intellectual water meter, intelligent gas meter etc.; The household electrical appliances information communication system of asymmetric electric power carrier wave and wireless telecommunications, can realize the information household appliances of APLC electric energy meter gateway and APLC standard, and the intelligent water of ZB-APLC bridge and ZigBee standard, gas gauge table carry out wireless telecommunications, and realize remote transmission, and the remote monitoring of the centralized control of energy load, household electrical appliances by APLC electric energy meter gateway.
The present invention is in China
200410103051.3 number application for a patent for invention: on the basis of " a kind of asymmetric electric power carrier communication device ", realize the bridge (slave) of a kind of asymmetric power line carrier and wireless telecommunications and the device that asymmetric electric line carrier communication electric energy meter gateway (main frame) carries out electric line carrier communication, be abbreviated as the device that ZB-APLC bridge and APLC electric energy meter gateway carry out electric line carrier communication.
The present invention is in No. 03158312.1 application for a patent for invention of China: on the basis of " the intelligent ammeter meter-copy device of DCPL network prepaid ", realize the device that the white domestic appliances of a kind of ZB-APLC bridge of wireless ZigBee standard communication modes and ZigBee standard carry out wireless telecommunications.
Realize that the object of the invention technical scheme is: the household electrical appliances information communication system of asymmetric electric power carrier wave and wireless telecommunications, this system is provided with electric energy meter gateway, ZB-APLC bridge and white information household electrical appliances, and the white information household electrical appliances comprise the white information household electrical appliances of APLC standard and the white information household electrical appliances of ZigBee standard; The APLC communicating circuit of APLC electric energy meter gateway is located in the electric energy meter, APLC electric energy meter gateway inserts between the phase line and N phase (center line) of electric power system 10kV/0.4kV distribution transformer low-pressure side three-phase four-wire system (A phase, B phase, C phase, N phase), and is provided with center line series connection high-frequency mutual inductance device and phase line coupling capacitance in the APLC circuit of APLC electric energy meter gateway host inside; The ZB-APLC bridge is connected with white information household electrical appliances load electrical, and the ZB-APLC bridge inserts electric power system by APLC electric energy meter gateway; Described APLC electric energy meter gateway carries out digital communication by asymmetric electric line carrier communication and ZB-APLC bridge, voltage-type FSK or S-FSK modulation signal are adopted in described APLC electric energy meter gateway and the communication of ZB-APLC bridge, and current mode FSK or S-FSK modulation signal are adopted in ZB-APLC bridge and the communication of APLC electric energy meter gateway; Described ZB-APLC bridge carries out information interaction by the white information household electrical appliances of ZigBee wireless telecommunications and ZigBee standard;
Described APLC electric energy meter gateway is transferred to electric flux and tariff data on the ZB-APLC bridge by asymmetric electric power carrier communication;
Described ZB-APLC bridge is used for online electrical power and detects and time measurement, will detect with metrical information and be transferred to APLC electric energy meter gateway; Accept the ZigBee wireless communication signal that the white information household electrical appliances of asymmetric electric line carrier communication signal that APLC electric energy meter gateway transmits and ZigBee standard transmit, show electric flux, electrical power, the water yield, gas quantity and rate.
Described ZB-APLC bridge, the ZigBee wireless telecommunications information that also is further used for obtaining is sent to APLC electric energy meter gateway, and described APLC electric energy meter gateway carries out communication and control by asymmetric electric power carrier wave and ZB-APLC network bridge device and APLC white information household electrical appliances.
Described asymmetric electric power carrier wave comprises also that with the wireless telecommunications appliance system described APLC electric energy meter gateway is connected with 3G bridge or ZigBee multilink bridge by the RS-485 bus, carries out network by public IP, the TD-SCDMA network platform with third party's Internet of Things integrated information port and is connected.
Described ZB-APLC bridge also is further used as earth leakage protective device and circuit breaker.Described ZB-APLC bridge is made up of electric weight display controller, earth leakage protective device and circuit breaker, and electric weight display controller and earth leakage protective device are integrated designs, the circuit breaker that electric weight display controller and earth leakage protective device make up is adopted international standards, one level width is that 1 modulus (18mm), two level widths are that 2 moduluses (36mm), three level widths are that 3 moduluses (54mm), level Four width are 4 moduluses (72mm), carries out the progression combination as required; The ZB-APLC bridge 35mm guide rail mounting means of adopting international standards.
Described ZB-APLC bridge circuit part is made up of microprocessor ZigBee wireless communication line, asymmetric electric line carrier communication circuit, electrical power testing circuit, earth leakage protective and the control circuit that opens circuit.
ZB-APLC bridge of the present invention adopts asymmetric electric line carrier communication circuit and ZigBee wireless communication line; when finishing electric flux, the water yield, gas quantity, rate demonstration, online electrical power detection, time measurement, earth leakage protective, load control basic function, form the information bridge joint between asymmetric electric line carrier communication and the ZigBee wireless telecommunications.Realized the Long-distance Control of online demonstration, transmission and the household electrical appliances of energy information.
APLC communication among the present invention, be in 10kV/0.4kV distribution transformer low-pressure side three-phase four-wire system trunk power line, carrier communication concentrator and carrier modulation voltage signal not to be set, and APLC electric energy meter gateway is as the main frame of APLC communication, and the input (upper end) of APLC electric energy meter gateway is to be connected in the distribution transformer low-pressure side three-phase four-wire system trunk power line, the output (lower end) of APLC electric energy meter gateway is the power line branch line in the trunk power line, so APLC electric energy meter gateway is the node of trunk power line and power line branch line; APLC electric energy meter gateway be a kind of on the electric power branch line with the electric power branch line on the APLC information terminal carry out the APLC communication; This moment, APLC electric energy meter gateway was a main frame, APLC information terminal on the electric power branch line is a slave, and the APLC circuit of APLC electric energy meter host machine inside, be by center line (N line) series connection high-frequency mutual inductance device LA1 and phase line coupling capacitance CA2, the voltage signal of voltage-type FSK or S-FSK modulation is coupling in center line series connection high-frequency mutual inductance device load one side, forms between center line and the phase line; And the opposite side of center line series connection high-frequency mutual inductance device, the inner APLC circuit of APLC electric energy meter gateway host has coupling capacitance CA2 between center line and phase line, the voltage signal of the FSK of the power line input of APLC electric energy meter gateway or S-FSK modulation is coupled capacitor C A2 short circuit and becomes idiostatic, and the power line input of APLC electric energy meter gateway does not have the voltage signal of carrier communication; The advantage of APLC communication is to be parallel with a plurality of APLC electric energy meter gateways (power line node) in 10kV/0.4kV distribution transformer low-pressure side three-phase four-wire system trunk power line, and each APLC electric energy meter gateway can only carry out the APLC communication with the APLC information terminal slave on the relevant electric power branch line, and each APLC electric energy meter gateway does not have the voltage signal of FSK or S-FSK modulation each other in the trunk power line, make between each APLC electric energy meter gateway host when real-time communication, do not disturb mutually, improved reliability and anti-interference; The APLC information terminal slave of each electric power branch line is the current signal of the FSK that sends or S-FSK modulation in addition, the current signal of modulation can not flow in other electric power branch line, can only flow back in the 10kV/0.4kV distribution transformer low-pressure side three-phase four-wire system subgrade coil, so being the current signal of the FSK that sends or S-FSK modulation, APLC information terminal slave can only be received by the APLC electric energy meter gateway host on the relevant electric power branch line, and the current signal of FSK or S-FSK modulation is difficult for disturbed in long transmission line, APLC information terminal slave can little current forms FSK or S-FSK modulation, form the long distance of low power mode and carry out the APLC communication.APLC electric energy meter gateway host and ZB-APLC bridge slave Principle of Communication figure are shown in accompanying drawing 3.
Description of drawings
Figure 1A existing power line carrier communication electric energy meter automatic meter reading system structural representation
Figure 1B existing power line carrier communication electric energy meter automatic meter reading system carrier signal is transmitted schematic diagram
Asymmetric electric power carrier wave of Fig. 2 and wireless telecommunications appliance system chain graph;
Fig. 3 APLC electric energy meter gateway host and ZB-APLC bridge slave Principle of Communication figure;
Fig. 4 ZB-APLC bridge structural representation;
Fig. 5 ZB-APLC bridge circuit schematic diagram 1;
Fig. 6 ZB-APLC bridge circuit schematic diagram 2;
Fig. 7 APLC electric energy meter gateway and APLC slave carrier communication voltage waveform view;
1 is coupling in FSK voltage signal on the lower end load 220VAC power line for the electric energy meter gateway by LA1 high-frequency mutual inductance device,
For the ZB-APLC bridge circuit is amplified the FSK voltage signal that the back obtains;
Fig. 8 ZB-APLC bridge slave and APLC electric energy meter gateway host carrier communication current waveform schematic diagram;
Be sent to the FSK current signal of APLC electric energy meter gateway LA1 high-frequency mutual inductance device coupling for the ZB-APLC bridge circuit.
Embodiment
As shown in Figures 2 and 3, asymmetric electric power carrier wave and wireless telecommunications appliance system, this system is provided with ZigBee multilink bridge 1, DCPL bus and APLC information link bridge 2, DCPL bus and ZigBee wireless messages link bridge 3, APLC electric energy meter gateway 4, DCPL bus message terminal 5, ZB-APLC bridge 6, APLC reference white information household appliances 7 and forms.APLC electric energy meter gateway 4 inserts between the phase line and N phase (center line) of electric power system 10kV/0.4kV distribution transformer low-pressure side three-phase four-wire system (A phase, B phase, C phase, N phase), the white domestic appliances 7 of APLC standard are electrically connected as load and ZB-APLC bridge 6, and ZB-APLC bridge 6 inserts electric power system by APLC electric energy meter gateway 4.The APLC circuit of APLC electric energy meter gateway 4 main frame inside, be by center line (N line) series connection high-frequency mutual inductance device LA1 4.1 and phase line coupling capacitance CA2 4.2, the voltage signal of voltage-type FSK or S-FSK modulation is coupling in center line series connection high-frequency mutual inductance device load one side, and voltage-type FSK between formation center line and the phase line or S-FSK modulation signal and ZB-APLC bridge 6 carry out carrier communication; ZB-APLC bridge 6 slaves are current signals of the FSK that sends or S-FSK modulation, receive by center line (N line) series connection high-frequency mutual inductance device LA1 in the APLC electric energy meter gateway host circuit and carry out carrier communication; ZB-APLC bridge 6 carries out information interaction and control by network water meter, the network gas meter, flow meter of ZigBee wireless telecommunications and ZigBee standard.
The ZB-APLC bridge of present embodiment mainly carries out digital communication with the white information household electrical appliances of ZigBee standard; And APLC electric energy meter gateway mainly carries out asymmetric electric line carrier communication with the white information household electrical appliances of APLC standard.
The ZB-APLC bridge possesses electric flux, the water yield, gas quantity, rate demonstration; Electric flux and tariff data are to be transferred on the ZB-APLC bridge by APLC electric energy meter gateway by asymmetric electric power carrier communication, and show at the ZB-APLC bridge, make the domestic consumer be directly acquainted with the electric flux and the rate of use; And network water meter, network gas meter, flow meter that the water yield and gas quantity are the ZB-APLC bridges by ZigBee wireless telecommunications and ZigBee standard carry out information interaction and control, and show at the ZB-APLC bridge, make the domestic consumer be directly acquainted with the water yield, gas quantity, rate and the state of a control of use.
The ZB-APLC bridge is finished online electrical power detection, time measurement, earth leakage protective, load control; The ZB-APLC bridge self is finished online electrical power detection, time measurement, earth leakage protective, makes the user in time understand the size and electric leakage, overload protection of online electrical work load, and user or administrative department need long-rangely carry out load and control.
The ZB-APLC bridge can carry out wireless telecommunications by the network information household electrical appliances of ZigBee wireless telecommunications and ZigBee standard, and the information bridge joint that the obtains APLC electric energy meter gateway by asymmetric electric power carrier communication is sent to third party's public administration website, make the user in the distance by mobile phone understand, control family's white information household electrical appliances and other safety-protection system operating state.
Asymmetric electric power carrier wave and wireless telecommunications appliance system chain graph are shown in accompanying drawing 2.In the accompanying drawing 2,1 is that ZigBee multilink bridge, 2 is that DCPL bus and APLC information link bridge, 3 are that DCPL bus and ZigBee wireless messages link bridge, 4 are that APLC electric energy meter gateway, 5 is that DCPL bus message terminal, 6 is that ZB-APLC bridge, 7 is APLC reference white information household appliances; Comprise three kinds of information link connected modes in the accompanying drawing 2, link layer mode 1 and link layer mode 2 are the information link connected modes that form between APLC electric energy meter gateway 4, ZB-APLC bridge 6 and the APLC reference white information household appliances 7; Link layer mode 3 is the information link connected modes that form between APLC electric energy meter gateway 4, ZB-APLC bridge 6 and DCPL bus and ZigBee wireless messages link bridge 3 and the APLC reference white information household appliances 7.
Shown in accompanying drawing 4, a kind of ZB-APLC network bridge device of the embodiment of the invention is made up of APLC and ZigBee wireless telecommunications electric weight display controller 1.0, earth leakage protective device 2.0, circuit breaker 3.0; And APLC and ZigBee wireless telecommunications electric weight display controller 1.0, earth leakage protective device 2.0 are integrated designs; the circuit breaker 3.0 of ZB-APLC network bridge device combination is that the level width of adopting international standards is that 1 modulus (18mm), two level widths are that 2 moduluses (36mm), three level widths are that 3 moduluses (54mm), level Four width are 4 moduluses (72mm); carry out progression combination as required, and the ZB-APLC network bridge device 35mm guide rail mounting means of adopting international standards.
With reference to accompanying drawing 5, shown in Figure 6; ZB-APLC network bridge device circuit part is divided into: microprocessor ZigBee wireless communication line 01, asymmetric electric line carrier communication circuit 02, electrical power testing circuit 03, earth leakage protective and control circuit 04, four major part that opens circuit are formed.
Shown in accompanying drawing 5, the present invention further optimization is described as follows
Embodiment 2
Microprocessor ZigBee wireless communication line 01: circuit is by IC1 CC253X or CC243X family chip, IC2 reset circuit, IC3 RX8025 time circuit, IC4 memory 24WC08, IC5 temperature sensor SE95, IC6 display PCF8576, and corresponding peripheral resistance, electric capacity, inductance component are formed.Present embodiment IC1 CC2530 chip is to include 8051 microprocessors and ZigBee wireless communication line (being the RF transceiver that adopts the 2.4GHz of IEEE802.15.4 standard).
Corresponding IC3 RX8025 time circuit, the IC4 memory 24WC08 of connecting of I2C bus interface SDA, the SCL of IC1 CC253X chip, the SDA of IC5 temperature sensor SE95, IC6 display PCF8576, SCL interface, wherein resistance R 1-R4, resistance R 10-R13 are pull-up resistors; P0.2, the P0.1 of IC1 CC253X chip, P0.0, P0.3 mouth correspondence are connected to U1 modem chip RDX, TXD, CD, RS and MOD1; P1.1, the P1.2 of IC1 CC253X chip, P1.0, P0.7 mouth correspondence are connected to B3, B4, B1, B2 optical coupler among the multichannel optical coupler OB1, the P1.1 mouth receives the electrical energy pulse frequency, the P1.2 mouth receives electrical energy flows and oppositely judges signal, the gain amplifier that P1.0 and P0.7 mouth can numerical control IB1 ADE7755; P0.4, the P0.5 of IC1 CC253X chip, P0.6 mouth correspondence are connected to optical coupler OP3 output, optical coupler OA2 output, optical coupler OA1 input; The RF_N of IC1 CC253X chip, RF_P mouth are the RF transceiver antenna ports of 2.4GHz, and wherein inductance L 1, L2 capacitor C 6-C10 are coupling coupling devices, and AN is built-in printing PCB antenna; XOSC_Q1, the XOSC_Q2 of IC1 CC253X chip and XOSC32K_Q1, XOSC32K_Q2 are respectively RF transceiver crystal oscillator Z3 and microprocessor crystal oscillator Z2 connectivity port; The RST output of IC4 reset circuit connects the RESET end of IC1 CC253X chip.
Asymmetric electric power carrier communication circuit 02: circuit is by modem chip U1, U2 amplifier, optical coupler OP1, OP2, OP3, coupling transformer T1, triode TU1-TU8, controllable silicon SU1, diode DU1-DU5, and peripheral resistance, capacitor element are formed.
Modem chip U1 adopts MSM7512(or LM1893,73M223, AMIS-49587), the Ain mouth is the input of the modulation signal that sends of electric energy meter gateway host; The modulated voltage signal that the electric energy meter gateway host sends is coupling on the power line, P1, the P2 contact is that correspondence is connected power line P1, on the P2 contact, by high-voltage capacitance CU6, CU7 and T1 transformer 1,2 connect, the modulated voltage signal that this moment, the electric energy meter gateway host sent can be coupling in T1 transformer secondary output coil 3, on 4, through U2 amplifier and capacitor C U3, CU4, resistance R U8, RU9, RU10 forms amplifying circuit, carrying out signal amplifies and filtering, the modulated voltage signal that the electric energy meter gateway host is sent can be input to U1 modem chip Ain mouth reliably;
The Aout mouth of modem chip U1 is the output that ZB-APLC bridge slave is given the FSK modulated voltage signal that the electric energy meter gateway host sends; Asymmetric electric line carrier communication circuit 02 mainly is the current signal that the FSK modulated voltage signal that modem chip U1 Aout mouth sends is converted to the FSK modulation; Modem chip U1 Aout mouth is by capacitor C U2, triode TU2, optical coupler OP1, and the isolating amplifier circuit formed of peripheral components resistance R U6, RU7, RU3, capacitor C U8, switch triode TU1, the FSK modulated voltage signal of U1 modem chip Aout mouth output is driven optical coupler OP1 input, at this moment switch triode TU1 conducting state; The output of optical coupler OP1 drives triode TU7 and TU8, form the electric current of TU8 emitter FSK modulation, and voltage drop is arranged at resistance R U14, select the size of resistance, can change the electric current of TU8 emitter FSK modulation, the general current value of effective value FSK modulation of selecting is between 4mA ~ 10mA, the electric current of FSK modulation is to constitute the loop with distribution transformer on the electric power branch line that is associated between ZB-APLC bridge and electric energy meter gateway, and is received the current signal that FSK that ZB-APLC bridge slave sends modulates by this electric energy meter gateway; Triode TU5, TU6, rectifier bridge DU5, resistance R U22, RU12, RU13 form the high-voltage and current-limitation circuit, change the size of RU13 resistance, can adjust the size of this branch road cut-off current, generally select cut-off current≤10mA; Triode TU4, resistance R U21, RU11, voltage-stabiliser tube DU2, capacitor C U5 forms voltage stabilizing circuit; Optical coupler OP3, resistance R U16-RU20, controllable silicon SU1, diode DU3, voltage-stabiliser tube DU4 form the 100Hz synchronous signal circuit, isolate output by optical coupler OP3; Triode TU1, TU3 in the circuit, optical coupler OP2 resistance R U2, RU4, RU5, diode DU1 form the transmitting-receiving control circuit; When U1 modem chip port RS, MOD1 during for low level for sending, high level is for receiving.
Electrical power testing circuit 03:IB1 electric energy computation chip is the ADE7755 chip that adopts current American ADI company (or China produces corresponding chip BL6503), and U.S. ADI company provides known ic for energy metering; Resistance R B1, RB2, RB3 in the known ic for energy metering, capacitor C B1, CB2 form current sampling circuit, resistance R B1 is manganin shunt (the about 1.0 m Ω of resistance), electric power phase line current is through resistance R B1 when the user load electricity consumption, resistance R B1 has voltage drop voltage, this voltage drop voltage process RB2, RB3 are connected to 5 ends and 6 ends of IB1 electric energy computation chip ADE7755, and capacitor C B1, CB2 are filter capacitor; RB4, RB5, RB6 are for being composed in series bleeder circuit in the ic for energy metering, 1 terminates to the electric power center line among the resistance R B4,2 termination phase lines ground, 3 ends and resistance R B5, RB6 carry out dividing potential drop, be 220VAC voltage to be carried out dividing potential drop drop to the hundreds of millivolt, the end of resistance R B6 and RB7 is connected to electric power phase line ground, and resistance R B6 is connected 8 ends and 7 ends of IB1 electric energy computation chip ADE7755 with the other end of RB7; The IB2 reset circuit adopts MAX809, the MAX809 RST end that resets to connect the RST end of IB1 electric energy computation chip ADE7755; 13, the 14 termination high level of IB1 electric energy computation chip ADE7755,15,16 ends are chip internal amplifier gain selecting sides, connect B2 among the multichannel optical coupler OB1, B1 optical coupler output 4,2 respectively; 22 ends of IB1 electric energy computation chip ADE7755 are outputs of electric energy frequency inverted, and frequency output pulse is connected to B3 optical coupler 5 ends among the multichannel optical coupler OB1 by RB13, light-emitting diode DB3; 20 ends of electric energy computation chip ADE7755 are to judge that the electric current on the resistance R B1 is forward or reverse output, 20 ends of ADE7755 are connected to B4 optical coupler 7 ends among the multichannel optical coupler OB1 by RB12, and B3, B4 optical coupler 6 ends are connected DGND with 8 ends; 17,18 ends of ADE7755 connect crystal oscillator ZB1.The voltage stabilizing circuit that ic for energy metering uses in the circuit is made up of piezo-resistance MOV, resistance R B8, capacitor C B7, voltage stabilizing didoe DB1, rectifier diode DB2, filter capacitor CB8-CB12, IB3 voltage regulator chip, inductance L B1, and voltage stabilizing circuit is a floating type voltage stabilizing circuit.
The voltage stabilizing circuit that uses in microprocessor ZigBee wireless communication line 01 and the asymmetric electric power carrier communication circuit 02, by resistance R B9, capacitor C B13, transformer TB1, rectifier DB1, filter capacitor CB14, capacitor C B15, capacitor C B16-resistance R B18, IB4 voltage regulator chip, diode DB4-DB6, rechargeable battery E(3.6V) institute form, VDD and VE power supply are provided.
The earth leakage protective and the control circuit 04 that opens circuit: circuit adopts FM2140 by IA1 earth leakage protective chip; Controllable silicon SA1; Take off a mouthful switch solenoid DCT; Current transformer ZCT; Optical coupler OA1, OA2; Thunder-prevention switch pipe LK; Rectifier bridge ZA1; Resistance R A1-RA8; Capacitor C A1-CA5 forms.
2 ends of IA1 earth leakage protective chip FM2140 are by an end of secondary coil in the capacitor C A2 connection current transformer in the circuit, and the other end connects the accurate Voltage Reference end of 3 end groups of FM2140, and 4 ends of FM2140 are the benchmark ground of chip; And 7 ends of FM2140 are silicon controlled triggering outputs, when the turnover electric current of the center line of power line among the current transformer ZCT and phase line is unequal, 7 ends of FM2140 will trigger controllable silicon conducting SA1, this moment, the electric current of rectifier bridge ZA1 output P+ can flow to rectifier bridge ZA1 input P-through taking off a mouthful switch solenoid DCT, take off mouthful electromagnet and start, circuit breaker takes off mouthful on off state and is open circuit; Optical coupler OA1 output triode emitter connects controllable silicon conducting SA1 trigger electrode, and the P0.6I/O mouth of CC253X chip connects optical coupler OA1 input, can carry out the open circuit of numerical control circuit breaker; Optical coupler OA2 judges circuit-breaker status, and when circuit breaker took off mouthful on off state for open circuit, optical coupler OA2 was output as high level, and when circuit breaker took off mouthful on off state for closure, it is flat that optical coupler OA2 is output as height.
Shown in accompanying drawing 6, the present invention further optimization is described as follows
Microprocessor ZigBee wireless communication line 01: circuit is by IC1 MC13224 chip, and the MC13224 chip is to include ARM7 microprocessor and ZigBee wireless communication line (being the RF transceiver that adopts the 2.4GHz of IEEE802.15.4 standard); IC2 PCF8576 display circuit; IC3 SD2403 time circuit; IC4 SE95 temperature sensor; The IC5 reset circuit, and corresponding peripheral resistance, capacitor element are formed.
IC1 MC13224 chip is connected with IC2 PCF8576 display circuit, IC3 SD2403 time circuit, the corresponding SDA of IC4 SE95 temperature sensor, SCL interface by I2C bus interface SDA, SCL in the circuit, and resistance R 7-R12 is the pull-up resistor of I2C bus; Corresponding respectively RD, the XD serial port that connects the U1 modem chip of serial port U1-TX, the U1-RX of IC1 MC13224 chip in the circuit; Transmitting-receiving control RS, the MOD1 of U1 modem chip are connected IC1 MC13224 chip ADC6-I/0 mouth and ADC5-I/O mouth respectively with detection signal CD port; The port P47 of IC1 MC13224 chip is connected crystal oscillator Z2, capacitor C 8, C9 with P48, port P49 is connected crystal oscillator Z1, capacitor C 6, C7 with P50; The port P60 of IC1 MC13224 chip is the RF transceiver antenna port of 2.4GHz, and wherein inductance L 1, capacitor C 4, C5 are coupling coupling devices, and AN is built-in printing PCB antenna; Port P1, the P2 of IC1 MC13224 chip connects B1, the B2 optical coupler among the multichannel optical coupler OB1, gain amplifier that can numerical control IB1 ADE7755, and port P25, the P26 of IC1 MC13224 chip connect B3, B4 optical coupler among the multichannel optical coupler OB1, receive electrical power frequency pulse and electrical energy flows and oppositely judge signal; Port P3, the P5 of IC1 MC13224 chip connect optical coupler OA1 and OA2 in earth leakage protective and the control circuit that opens circuit, and OA1 imports optical coupler for the control information of opening circuit, the OA2 power line judgement information output optical coupler that opens circuit; The port P4 of IC1 MC13224 chip connects optical coupler OP3, and OP3 is asymmetric electric line carrier communication synchronizing information output optical coupler; Jtag interface in the circuit is programming and the external jtag interface of debugging the MC13224 chip.
Claims (8)
1. the household electrical appliances information communication system of asymmetric electric power carrier wave and wireless telecommunications, it is characterized in that, this system is provided with electric energy meter gateway, ZB-APLC bridge and white information household electrical appliances, and the white information household electrical appliances comprise the white information household electrical appliances of APLC standard and the white information household electrical appliances of ZigBee standard; The APLC communicating circuit of APLC electric energy meter gateway is located in the electric energy meter, APLC electric energy meter gateway inserts between the phase line and N phase of electric power system 10kV/0.4kV distribution transformer low-pressure side three-phase four-wire system (A phase, B phase, C phase, N phase), and is provided with center line series connection high-frequency mutual inductance device and phase line coupling capacitance in the APLC circuit of APLC electric energy meter gateway host inside; The ZB-APLC bridge is connected with white information household electrical appliances load electrical, and the ZB-APLC bridge inserts electric power system by APLC electric energy meter gateway; Described APLC electric energy meter gateway carries out digital communication by asymmetric electric line carrier communication and ZB-APLC bridge, voltage-type FSK or S-FSK modulation signal are adopted in described APLC electric energy meter gateway and the communication of ZB-APLC bridge, and current mode FSK or S-FSK modulation signal are adopted in ZB-APLC bridge and the communication of APLC electric energy meter gateway; Described ZB-APLC bridge carries out information interaction by the white information household electrical appliances of ZigBee wireless telecommunications and ZigBee standard;
Described APLC electric energy meter gateway is transferred to electric flux and tariff data on the ZB-APLC bridge by asymmetric electric power carrier communication;
Described ZB-APLC bridge is used for online electrical power and detects and time measurement, will detect with metrical information and be transferred to APLC electric energy meter gateway; Accept the ZigBee wireless communication signal that the white information household electrical appliances of asymmetric electric line carrier communication signal that APLC electric energy meter gateway transmits and ZigBee standard transmit, show electric flux, electrical power, the water yield, gas quantity and rate.
2. household electrical appliances information communication system according to claim 1, it is characterized in that, the ZigBee wireless telecommunications information that described ZB-APLC bridge also is further used for obtaining is sent to APLC electric energy meter gateway, described APLC electric energy meter gateway is connected with ZigBee multilink bridge or 3G bridge by the RS-485 bus, carry out network by public IP, the TD-SCDMA network platform with third party's Internet of Things integrated information port and be connected, white information household appliances are carried out Long-distance Control.
3. household electrical appliances information communication system according to claim 1 is characterized in that, described ZB-APLC bridge also further has the device of intelligent electricity leakage protector and circuit breaker function.
4. household electrical appliances information communication system according to claim 1; it is characterized in that described ZB-APLC bridge circuit part is made up of microprocessor ZigBee wireless communication line, asymmetric electric line carrier communication circuit, electrical power testing circuit, earth leakage protective and the control circuit that opens circuit.
5. household electrical appliances information communication system according to claim 4, it is characterized in that, described ZB-APLC bridge is made up of electric weight display controller, earth leakage protective device and circuit breaker, and electric weight display controller and earth leakage protective device are integrated designs, adopt international standards with the circuit breaker that electric weight display controller and earth leakage protective device make up, one level width is that 1 modulus, two level widths are that 2 moduluses, three level widths are that 3 moduluses, level Four width are 4 moduluses, carries out the progression combination as required; The ZB-APLC bridge 35mm guide rail mounting means of adopting international standards.
6. household electrical appliances information communication system according to claim 4, it is characterized in that, described asymmetric electric power carrier communication circuit (02), by modem chip U1, amplifier U2, optical coupler OP1, OP2, OP3, close transformer T1, triode TU1-TU8, controllable silicon SU1, diode DU1-DU5, and peripheral resistance, capacitor element forms, and modem chip U1 adopts MSM7512 or 73M223 or LM1893 or AMIS-49587;
In the described asymmetric electric power carrier communication circuit (02), modem chip U1 Ain mouth is the input of the modulation signal that sends of electric energy meter gateway host; The modulated voltage signal that APLC electric energy meter gateway host sends is coupling on the power line, P1, P2 contact correspondence is connected power line P1, on the P2 contact, by high-voltage capacitance CU6, CU7 and T1 transformer (1,2) connect, the modulated voltage signal that this moment, APLC electric energy meter gateway host sent can be coupling in T1 transformer secondary output coil (3,4) on, through U2 amplifier and capacitor C U3, CU4, resistance R U8, RU9, RU10 forms amplifying circuit, carrying out signal amplifies and filtering, the modulated voltage signal that APLC electric energy meter gateway host is sent can be input to U1 modem chip Ain mouth reliably;
U1 modem chip Aout mouth is the output that the ZB-APLC bridge is given the FSK modulated voltage signal that APLC electric energy meter gateway sends; The Aout mouth of modem chip U1 is by capacitor C U2, triode TU2, optical coupler OP1, and the isolating amplifier circuit formed of peripheral components resistance R U6, RU7, RU3, capacitor C U8, switch triode TU1, the FSK modulated voltage signal of U1 modem chip Aout mouth output is driven optical coupler OP1 input, at this moment switch triode TU1 conducting state; The output of optical coupler OP1 drives triode TU7 and TU8, form the electric current of TU8 emitter FSK or S-FSK modulation, and voltage drop is arranged at resistance R U14, select the size of resistance, can change the electric current of TU8 emitter FSK modulation, the current value of generally selecting effective value FSK modulation is between 4mA ~ 10mA; Triode TU5, TU6, rectifier bridge DU5, resistance R U22, RU12, RU13 form the high-voltage and current-limitation circuit, change the size of RU13 resistance, can adjust the size of this branch road cut-off current, generally select cut-off current≤15mA; Triode TU4, resistance R U21, RU11, voltage-stabiliser tube DU2, capacitor C U5 form voltage stabilizing circuit; Optical coupler OP3, resistance R U16-RU20, controllable silicon SU1, diode DU3, voltage-stabiliser tube DU4 form the 100Hz synchronous signal circuit, isolate output by optical coupler OP3; Triode TU1, TU3, optical coupler OP2 resistance R U2, RU4, RU5, diode DU1 form the transmitting-receiving control circuit; When U1 modem chip port RS, MOD1 during for low level for sending, high level is for receiving.
7. household electrical appliances information communication system according to claim 4, it is characterized in that, wireless communication standard adopts the ZigBee standard in the described ZB-APLC bridge, circuit microprocessor ZigBee wireless communication line is by IC1 CC253X or CC243X or MC1322X family chip, IC2 reset circuit, IC3 RX8025 time circuit, IC4 memory 24WC08, IC5 temperature sensor SE95, IC6 display PCF8576, and corresponding peripheral resistance, electric capacity, inductance, crystal oscillator device are formed.
8. household electrical appliances information communication system according to claim 4 is characterized in that, the power line that described ZB-APLC bridge inserts can be single-phase, center line two-wire system, also the network bridge device of three-phase, center line four-wire system.
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| CN201010291334.0 | 2010-09-25 | ||
| CN201110008366XA CN102098077A (en) | 2010-09-25 | 2011-01-16 | Home appliance information communication system of asymmetric power line carrier and wireless communication |
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| CN201110057521.7A Expired - Fee Related CN102568247B (en) | 2010-09-25 | 2011-03-10 | Overhead monitoring internet of things system for automatic dependent surveillance-mobile communication (ADS-M) transceiver-mounted equipment and low-altitude aircraft |
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| CN102568247A (en) | 2012-07-11 |
| CN102568247B (en) | 2014-01-15 |
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