CN204272159U - A kind of energy source gateway realizing fault electric arc and detect - Google Patents
A kind of energy source gateway realizing fault electric arc and detect Download PDFInfo
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- CN204272159U CN204272159U CN201420474595.XU CN201420474595U CN204272159U CN 204272159 U CN204272159 U CN 204272159U CN 201420474595 U CN201420474595 U CN 201420474595U CN 204272159 U CN204272159 U CN 204272159U
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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
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- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
The utility model relates to a kind of energy source gateway realizing fault electric arc and detect, and comprises: MCU micro-control unit and the fault electric arc detection module be connected respectively with it, conditions at the arc feedback module, equipment state feedback module; Described fault electric arc detection module is also connected to conditions at the arc feedback module.Described fault electric arc detection module detects the fault electric arc information obtained to the conditions at the arc in electrical network loop, MCU micro-control unit is sent to through conditions at the arc feedback module, warning message is sent to ustomer premises access equipment again, so that user checks warning message and carries out the manual operation to fault electric arc process on ustomer premises access equipment by described equipment state feedback module.The energy source gateway that the utility model provides is as the power equipment of smart power grid user side, can based on power-line carrier communication, monitoring line fault electric arc also sends safety utilization of electric power warning by gateway to user, meets user security electricity consumption and obtains the demand of all kinds of value-added service.
Description
Technical field
The utility model relates to intelligent power product scope, particularly a kind of energy source gateway realizing fault electric arc and detect.
Background technology
Energy source gateway is the important component part of home intelligence, by there being the product such as wireless mode and home intelligent interactive terminal to carry out data interaction, realize the functions such as the collection of each end message of home network, information input, information output, centralized control, Long-distance Control, coordinated signals.
But instructing power consumer how in intelligent power and safety utilization of electric power, particularly having can source gateway to what realize on-line monitoring function with the fault electric arc of electric line, also lacks effective solution at present.
Utility model content
The purpose of this utility model is to provide a kind of energy source gateway realizing fault electric arc and detect, as the home intelligent power equipment of smart power grid user side, can based on power-line carrier communication, monitoring line fault electric arc also sends safety utilization of electric power warning by gateway to user, meets user security electricity consumption and obtains the demand of all kinds of value-added service.
In order to achieve the above object, the technical solution of the utility model is to provide a kind of home energy source gateway that can realize household electricity line fault arc-detection, describedly can be provided with can each module work controls in source gateway MCU micro-control unit by source gateway, and the fault electric arc detection module, conditions at the arc feedback module, the equipment state feedback module that are connected respectively with described MCU micro-control unit;
Described fault electric arc detection module detects to the conditions at the arc in energy electrical network loop, source gateway place the fault electric arc information obtained, MCU micro-control unit is sent to via the described conditions at the arc feedback module be connected with this fault electric arc detection module, warning message is sent to ustomer premises access equipment, so that user checks warning message so that Timeliness coverage household electricity line fault electric arc hidden danger on the ustomer premises access equipments such as families TV screen, panel computer screen and mobile phone screen by described equipment state feedback module.Thus effectively avoid the electric disaster hidden-trouble that brought by fault electric arc, fail safe is high.
Preferably, described fault electric arc detection module is connected the arc detection signal to obtain each loop in family with home electrical line switching, by an interface unit and the RS485 chip that is connected with this interface unit, send to MCU micro-control unit after the arc detection signal of RS485 form being converted to corresponding Transistor-Transistor Logic level signal; Described RS485 chip is connected with described MCU micro-control unit, to receive the related data of control command or transmission arc-detection.
Preferably, described energy source gateway be provided with the carrier communication module be connected with described MCU micro-control unit; Described energy source gateway is by communicating based on power line carrier mode between carrier communication module with terminal equipment.
Preferably, described can source gateway by socket generated energy acquisition module, carry out electric quantity metering to this energy source gateway based on the socket of power line carrier communication; Described socket generated energy acquisition module, is obtained the voltage signal of socket, and by computation chip, voltage signal is sent to MCU micro-control unit by the electric resistance partial pressure sample circuit be connected with computation chip.
Preferably, described socket generated energy acquisition module, is obtained the current signal of socket, and by computation chip, current signal is sent to MCU micro-control unit by the current channel sample circuit be connected with computation chip.
Preferably, described socket generated energy acquisition module installation in described energy source gateway, or is arranged in described socket.
Preferably, be provided with in described socket MCU controller, with described can source gateway communicate based on power carrier mode the second carrier communication module, keyboard input module, to be connected the output module display unit that arranges showing power consumption, the power module supply module of power supply being provided to the electrical equipment being connected to this socket and powering for this socket at this socket place.
Preferably, to be describedly provided with the terminal equipment control module that is connected with MCU micro-control unit respectively and to control result feedback module by source gateway; Under MCU micro-control unit controls, the operating state of described terminal equipment control module to terminal equipment controls, and will control result feedback to MCU micro-control unit via described control result feedback module.
A preferred version of the present utility model is to provide a kind of energy source gateway, wherein comprises:
MCU micro-control unit, and be attached thereto respectively and controlled by it with lower module:
Carrier communication module, described energy source gateway is by communicating based on power line carrier mode between this carrier communication module with terminal equipment;
Terminal equipment control module, receives the control command of MCU micro-control unit, controls the operating state of terminal equipment;
Control result feedback module, it is also connected with terminal equipment control module, is used for the result controlled terminal equipment to MCU micro-control unit feedback terminal device control module;
Fault electric arc detection module, receives the control command of MCU micro-control unit, detects the conditions at the arc in energy electrical network loop, source gateway place;
Conditions at the arc feedback module, it is also connected with fault electric arc detection module, is used for the conditions at the arc testing result obtained to MCU micro-control unit feedback fault electric arc detection module;
Socket generated energy acquisition module, carries out electric quantity metering to this energy source gateway based on the socket of power line carrier communication, and charge value is sent to MCU micro-control unit;
Equipment state feedback module, wirelessly carry out information interaction with ustomer premises access equipment, the running status of the terminal equipment sending energy source gateway self to it or controlled by it, or the control signal that reception ustomer premises access equipment sends is to adjust the operating state of terminal equipment; And,
Power module, for the modules of described energy source gateway is powered.
Compared with prior art, the energy source gateway that the utility model provides, its advantage is: the utility model is as the home intelligent power equipment of smart power grid user side, can based on power line carrier technology, detect household electricity line fault electric arc, and and terminal equipment in communication, meet user security electricity consumption and obtain the demand of all kinds of value-added service.The utility model also possesses and controls and result feedback function, the function of electric quantity metering of carrying out socket household electricity terminal equipment, the real-time behavior of household electricity terminal equipment can also be fed back to the ustomer premises access equipment such as mobile phone, panel computer, facilitate user to monitor and carry out Non-follow control.
Accompanying drawing explanation
Fig. 1 is the structural representation realizing the energy source gateway that fault electric arc detects described in the utility model;
Fig. 2 is the schematic diagram of a preferred exemplary of energy source gateway described in the utility model;
Fig. 3 is the schematic diagram of MCU micro-control unit in described energy source gateway;
Fig. 4 is the schematic diagram of crystal oscillating circuit in described energy source gateway;
Fig. 5 is the schematic diagram of carrier signal demodulator circuit in described energy source gateway;
Fig. 6 is the schematic diagram of carrier transmit circuit in described energy source gateway;
Fig. 7 is the schematic diagram of terminal equipment control module in described energy source gateway;
Fig. 8 is the schematic diagram controlling result feedback module in described energy source gateway;
Fig. 9 is the schematic diagram of fault electric arc detection module and conditions at the arc feedback module in described energy source gateway;
Figure 10 is the schematic diagram of socket generated energy acquisition module in described energy source gateway;
Figure 11 is the schematic diagram of electric resistance partial pressure sample circuit in described socket generated energy acquisition module;
Figure 12 is the schematic diagram of current channel sample circuit in described socket generated energy acquisition module;
Figure 13 is the schematic diagram of interface filtration module in described socket generated energy acquisition module;
Figure 14 is the schematic diagram of memory circuit in described energy source gateway;
Figure 15 is the schematic diagram of power module in described energy source gateway;
Figure 16 is the schematic diagram of an interface circuit in described energy source gateway;
Figure 17 is the schematic diagram of described energy gateway relay electrical apparatus interface;
Figure 18 is the schematic diagram of lightning protection circuit in described energy source gateway;
Figure 19 ~ Figure 21 is the schematic diagram of DC signal output circuit in described energy source gateway;
Figure 22 is the schematic diagram of programming port in described energy source gateway;
Figure 23 is the schematic diagram of electrify restoration circuit in described energy source gateway;
Figure 24 is the schematic diagram of a filter circuit in described energy source gateway;
Figure 25 is the schematic diagram of zero cross detection circuit in described energy source gateway;
Figure 26 is the schematic diagram of pulse output signals buffer circuit in described energy source gateway;
Figure 27 is the schematic diagram of current sampling resistor in described energy source gateway;
Figure 28 is the schematic diagram of an exemplary construction of the carrier wave socket of carried charge metering.
Embodiment
As shown in Figure 1, the energy source gateway realizing fault electric arc and detect described in the utility model, is wherein provided with MCU micro-control unit 1, fault electric arc detection module 4, conditions at the arc feedback module 5, equipment state feedback module 6.
Described fault electric arc detection module 4, be used for detecting the conditions at the arc in each loop in the intelligent grid of energy source gateway place, when it judges have fault electric arc to exist in connecting line by patrolling and examining, can be fed back to MCU micro-control unit 1 by conditions at the arc feedback module 5.
Described equipment state feedback module 6, can by can source gateway self or the real-time running state of terminal equipment that controlled by it, the ustomer premises access equipment such as flat board or mobile phone is transferred to by various wired or wireless mode (preferably WiFi), facilitate user to carry out field observation by these ustomer premises access equipments, and receive the control signal of ustomer premises access equipment transmission thus the operating state of adjustment terminal equipment.
In a preferred example, the fault electric arc information that described fault electric arc detection module 4 detects, after being sent to MCU micro-control unit 1 via described conditions at the arc feedback module 5, warning message is sent to ustomer premises access equipment by the described equipment state feedback module 6 connecting described MCU micro-control unit 1, so that user checks warning message and carries out the manual operation to fault electric arc process on ustomer premises access equipment, avoid the electrical fire brought by fault electric arc.
In an example as shown in Figure 9, in the combination of described fault electric arc detection module 4 and conditions at the arc feedback module 5, by a kind of RS485 chip, carry out RS485 signal and Transistor-Transistor Logic level protocol conversion; In this example, fault electric arc detection module connects this RS485 chip by P3 interface, and then is connected with MCU micro-control unit 1 signal, to transmit the data of arc-detection or to receive control command.This RS485 chip is connected with MCU micro-control unit 1 with control end CON by signal sending end TXD, signal receiving end RXD.The first end of P3 interface is connected directly to the B polar end of RS485 chip, and the second Duan You mono-tunnel of described interface unit is connected directly to the A polarity end of RS485 chip, also has one, road resistance to be connected to the B polar end of RS485 chip; 3rd end of described interface unit is connected directly to the RGND end of RS485 chip.In some instances, fault electric arc detection module can be integrated in the device in exterior terminal equipment; Fault electric arc detection module can also be by after P3 interface and RS485 chip, and the carrier communication module 2 being connected to gateway carries out Signal transmissions, etc.
Described MCU micro-control unit 1, is used for controlling the work of other modules in energy source gateway.Chip R8C/33C and the pin facilities thereof of MCU micro-control unit 1 are shown, by the respective description when introducing other modules in Fig. 2 in Fig. 3.
The source gateway of energy described in the utility model is to the terminal equipment (the various intelligent electric appliance such as switch, socket, lamp including but not limited to being connected with this energy source gateway by power line) in its place intelligent grid, by power carrier (i.e. PLC, Power line Communication) mode communicates, and can carry out Based Intelligent Control by source gateway to the operating state of these terminal equipments.
Coordinate see shown in Fig. 2, Fig. 3, in energy source gateway of the present utility model, be provided with the carrier communication module 2 be connected with MCU micro-control unit 1.Described carrier communication module, based on power line carrier technology, is communicated with terminal equipment by power line.Modulation signal, by after the filter circuit filtering of carrier communication module, enters power amplifier and amplifies, and eventually passes coupling circuit and enters in power line channel and transmit.
Fig. 5 illustrates the carrier signal demodulator circuit that a kind of carrier communication module uses, it is based on the carrier chip of an AFE3361, receive the carrier signal from terminal equipment, and by the FSK demodulation chip be connected with this carrier chip, demodulation is carried out to carrier signal; Also be connected with MCU micro-control unit 1 with reception control signal and the signal that sends after demodulation.The pin FILT-IN of this carrier chip is connected by resistance R20 and R23 and FSK demodulation chip, also by ground connection after resistance R19, electric capacity C21 and C25; The pin SQLCH of carrier chip, by electric capacity C12, connects via resistance R23FSK demodulation chip, is also connected with the pin SING_IN of MCU micro-control unit 1 chip via resistance R9.The pin FILT-OUT of carrier chip is also connected with the pin SING_IN of MCU micro-control unit 1 chip via resistance R9.The pin OSC1 of described carrier chip is connected to the pin one 85K of MCU micro-control unit 1 chip through electric capacity C11, resistance R6, send the 185K mixed frequency signal that carrier chip produces; Also be connected with electric capacity C6, C8 in parallel and inductance L 1 via electric capacity C11 at pin OSC1 place.The pin FILT-OUT of this carrier chip is connected to the pin SING_IN of MCU micro-control unit 1 chip through resistance R9.Pin MIX-OUT, LIM-IN of this carrier chip are connected with two pins based on LT455BW ceramic filter respectively, and LT455BW module is for extracting the center frequency point of 455K.The pin QUAD of this carrier chip is connected with resistance R5 in parallel and frequency discriminator Z1, is differentiated the signal of 455K by frequency discriminator Z1.Electric capacity C10, C9 are connected with pin DCPL1, DCPL2 of carrier chip respectively.The pin RA of carrier chip is via ground connection after resistance R8, electric capacity C25.Described carrier signal demodulator circuit, produces the mixed frequency signal of 185K by related circuit, then through extracting the center frequency point of 455K, and the signal of 455K is differentiated, then obtain BFSK carrier signal through AFE3361 carrier chip, carry out FSK demodulation.
Fig. 6 illustrates the carrier transmit circuit that a kind of carrier communication module uses, and exports after carrying out power amplifier, filtering, the process that is coupled again to signal.Wherein, diode D3 and D4 of electric capacity C23 in parallel, inductance L 4, reverse parallel connection is provided with; The pin MIX-IN of above-mentioned carrier chip is connected with the negative pole of diode D4 at the FSK_IN place of carrier transmit circuit, is also connected to the 4th port of a coupling coil T2 via the electric capacity C22 of series connection, inductance L 3, resistance R18; At FSK_IN place, the FSK demodulation chip of AFE3361 shown in connection layout 4, obtains the carrier signal of BFSK.The pin DATA_OUT of MCU micro-control unit 1 chip is connected to the grid of N-type MOSFET pipe via resistance R22, be also connected to the grid of P type MOSFET pipe by electric capacity C24; The source ground of N-type MOSFET pipe; The source electrode of P type MOSFET pipe connects 12V power supply, has also been arranged in parallel resistance R21 and diode D2 between its source electrode and grid; The drain electrode of N-type and P type MOSFET pipe is connected to the 4th port of coupling coil T2 by inductance L 2, electric capacity C20.The information of being carried by the pin DATA_OUT of MCU micro-control unit 1 chip, via described carrier transmit circuit, accesses in power line finally by coupling coil T2 and sends.The V1 module comprising N-type and P type MOSFET pipe in Fig. 5 matches with the components and parts of its periphery, and the power amplifier namely as carrier communication module uses.
Of the present utility model can in source gateway, be provided with the terminal equipment control module 7 that is connected with MCU micro-control unit 1 respectively and control result feedback module 8; Described terminal equipment control module 7 is also connected to and controls result feedback module 8.
Described terminal equipment control module 7, for controlling the operating state of terminal equipment, such as to lamp bright, go out, energising, the power-off of socket control.It is the example that terminal equipment control module 7 pairs of street lamps control shown in Fig. 7.Described terminal equipment control module 7 comprises relay J DQ1, diode D1, triode Q1, resistance R24, resistance R25, resistance R26 and electric capacity C22, Chang Kaiduan and the normal-closed end of relay J DQ1 are connected live wire inlet wire Lin and the live wire outlet Lout of road lighting cable respectively, one end after relay J DQ1 is in parallel with diode D1 is connected to and controls result feedback module 8, be connected to the power end of power module 9 by resistance R24 simultaneously, the C pole of the other end connecting triode Q1 after parallel connection, the E pole ground connection of triode Q1, the B pole of triode Q1 connects one end of electric capacity C22, one end of resistance R25 and one end of resistance R26, the other end of electric capacity C22 and the other end ground connection of resistance R25, the other end of resistance R26 is connected to the RELAY pin of MCU micro-control unit 11.Wherein, the triode of described triode Q1 to be model be S8050.
In described terminal equipment control module 7, Lin is cable live wire inlet wire, and Lout is the live wire outlet after terminal equipment control module 7 controls, and it is connected with street lamp; N is zero line.When the RELAY pin of MCU micro-control unit 1 exports high level, transistor Q1 saturation conduction, C pole (collector electrode) becomes low level, therefore relay J DQ1 coil electricity, and contact position gets to normal battle, and now Lin and Lout disconnects.
Wherein, relay J DQ1 adopts 12v to drive, and contact capacity 10A, the normal-closed end of Lin and Lout contact relay JDQ1 under normal operation in normal state, to save power consumption.Triode Q1 can be considered control switch, and choose VCBO ≈ VCEOR≤24V, multiplication factor is between 120-240.Resistance R26 and resistance R24 mainly plays metering function, to reduce the power consumption of triode Q1.Resistance R25 and electric capacity C22 can make triode Q1 reliably end.With the diode D1 of the coils from parallel connection of coils of relay J DQ1 for protect diode; because the inductance of coil is in moment of power-off; coil two ends will produce higher reverse voltage; this voltage superposes with supply voltage; probably exceed the maximum reverse puncture voltage of triode Q1, make triode Q1 punch through damage, and the effect of diode D1 is exactly the impact eliminating this reverse voltage; to prevent the damage of circuit element, the normal work of protective circuit.
Described control result feedback module 8, by the control result feedback of terminal equipment control module 7 pairs of terminal equipments to MCU micro-control unit 1.In a specific embodiment as shown in Figure 8, described control result feedback module 88 comprises optocoupler E1, diode D2, electric capacity C23, resistance R27, resistance R28, resistance R29, resistance R30 and resistance R31.The output voltage of described terminal equipment control module 7, after the resistance R27, the resistance R28 that are connected in series and resistance R29 step-down, then after being isolated by optocoupler E1, feeds back to MCU micro-control unit 11.Diode D2 and optocoupler E1 is connected in parallel, and protects in order to avoid reverse breakdown to it; Resistance R31 that be also provided with shaping filter effect between optocoupler E1 and MCU micro-control unit 1, that be connected in parallel and electric capacity C23.Wherein, the optocoupler of described optocoupler E1 to be model be K1010-K35.
Control result feedback module 8 in this example gathers street lamp side voltage, feeds back to MCU micro-control unit 1 after step-down, light-coupled isolation.Control successfully if operate a switch, MCU micro-control unit 1 obtains low level signal, and control unsuccessful if operate a switch, MCU micro-control unit 11 obtains high level signal, thus obtains controlling result.Wherein, R27-R30 is dropping resistor, and diode D2 is unlikely to be reversed at 220v alternating current negative half period protection optocoupler E1 and punctures, and optocoupler E1 plays buffer action, and resistance R31 and electric capacity C23 plays filter shape effect.
In energy source gateway of the present utility model, be provided with the socket generated energy acquisition module 3 be connected with MCU micro-control unit 1.Described socket generated energy acquisition module 3, for gathering the corresponding data of socket and being transferred to MCU micro-control unit 1.Socket generated energy acquisition module 3 is as shown in Figure 10 based on a RN8205 computation chip, and by electric resistance partial pressure sample circuit and current channel sampling network, enable computation chip obtain other electric energy datas such as power factor according to the numerical computations of voltage and current, realize electric quantity metering.An example of electric resistance partial pressure sample circuit as shown in figure 11, this electric resistance partial pressure sample circuit is 220V power supply, the mode of being carried out step-down by the resistance arranging one group of series connection collects voltage signal, by being connected to the V2P pin of computation chip with the electric capacity C12 be connected in parallel on the resistance R15 of least significant end.
Be an example of current channel sample circuit as shown in figure 12, the I+ end of this circuit, by resistance R21 ground connection, also passes through resistance R16 and the electric capacity C14 ground connection of series connection; The I-end of this circuit, by resistance R22 ground connection, also passes through resistance R17 and the electric capacity C15 ground connection of series connection; Resistance R23 is provided with between I+ end and I-hold.Connect the V1N pin of computation chip from the Nodes between resistance R16 and electric capacity C14, connect the V1P pin of computation chip from the Nodes between resistance R17 and electric capacity C15, sampling resistor is gathered current data and is delivered to computation chip.
Other devices be connected with the respective pin of described computation chip, also comprise: form by decoupling capacitance the filter circuit connecting computation chip pin AVDD, DVDD, connect the reset circuit of computation chip pin RSTN, connect the signal sample circuit of computation chip pin V2N, connect the level reference circuit of computation chip pin REFV, connect computation chip pin OSCO, OSC1 to provide the crystal oscillating circuit (see figure 10) of time-base signal, and be connected to some interface filter circuits (see Figure 13) of computation chip pin SCLK, SDO, SCS, SDI respectively.
In a concrete example, can be that described socket generated energy acquisition module is set in socket.As shown in figure 28, this socket be provided with MCU controller, with can source gateway communicate based on PLC technology the input module such as carrier communication module, button, to be connected the output module display unit that arranges showing power consumption, the power module supply module of 220VAC power supply being provided to the electrical equipment being connected to this socket, powering for this socket at this socket place, and described socket generated energy acquisition module.Wherein, described carrier communication module can use the circuit framework shown in Fig. 5, Fig. 6, realizes by arranging filter circuit, power amplifier and coupling circuit; Described socket generated energy acquisition module can use the circuit framework of Figure 10 ~ Figure 13 to realize.
As shown in figure 15, be an example of the power module 9 arranged in energy source gateway described in the utility model, this power module 9 is used for each module for power supply in energy source gateway.Second end of transformer primary winding connects live wire Lin via thermistor PTC1, and first end connects zero line Nin1; 4th end connects diode D11 positive pole, and five terminal connects diode D10 positive pole, is connected to first pin of Voltage stabilizing module U8 by diode D11, D10 negative pole; 4th end also connects diode D12 negative pole, and five terminal connects diode D13 negative pole, is connected to second pin of Voltage stabilizing module U8 by diode D12, D13 positive pole; The three-prong of Voltage stabilizing module U8 exports 12V power supply; Electrochemical capacitor CE3 is provided with, the 3rd, be provided with electrochemical capacitor CE4 in parallel and electric capacity C34 between the second pin between first, second pin of Voltage stabilizing module U8.6th end of transformer secondary coil, the 7th end and diode D6, D7, D5, D8 to the connected mode of Voltage stabilizing module U9, can see above-mentioned to the 4th of transformer primary winding the, the circuit connecting mode at five terminal place; Voltage stabilizing module U9 the 3rd, be provided with electrochemical capacitor CE5 in parallel and electric capacity C33 between the second pin, is also connected with first, second pin of Voltage stabilizing module U4, by the three-prong output VCC power supply of Voltage stabilizing module U4; Voltage stabilizing module U4 the 3rd, be provided with electrochemical capacitor CE2 in parallel and electric capacity C28 between the second pin.
In addition, can also be provided with following parts in source gateway described in the utility model, the connect Please of related elements is see relevant drawings: be crystal oscillator unit shown in Fig. 3, and it is connected with pin XT1 and XT2 of MCU micro-control unit 1, is used to provide basic clock signal.Memory circuit shown in Figure 14, SCL, SDA pin of MCU micro-control unit 1 chip is connected to by the respective pin of an EEPROM storage chip, carry out the various data that store M CU micro-control unit 1 receives, and the intermediate data that MCU micro-control unit 1 processes.
Be an interface module JP1 shown in Figure 16, it is as the interface of metering module, uses when measuring power consumption data.Interface module JP1 has some corresponding ports and is connected with RESTJL, SDO, SCLK, SCS, SDI, CF pin of MCU micro-control unit 1 chip, there is the corresponding port of other to hold with the I+ of current channel sample circuit and I-holds and is connected, also have some corresponding ports to hold with the N of electric resistance partial pressure sample circuit and be connected.Be a relay port JP2 shown in Figure 17, it has corresponding port to be connected to the RELAY1 pin of MCU micro-control unit 1 chip.Be a lightning protection circuit shown in Figure 18, built by GIA1 B8G800L type discharge diode and some resistance, be connected to Lin and the Nin1 end of pertinent modules.
As Figure 19 ~ Figure 21 illustrates a kind of 0-10V DC signal output circuit.Wherein, the VinB+ end of universal amplifier U5 is connected to the AD1 pin of MCU micro-control unit 1 chip, obtains the signal that will export; Universal amplifier U5 and the optical coupling module being connected to universal amplifier U6 respectively at AD1 ' place, FK1 place is connected, universal amplifier U6 is also connected with the pin of module J 2 at A11 place, and A11 place is provided with voltage stabilizing didoe in parallel and electric capacity.
Programming port module J Z1 shown in Figure 22, is connected with RESET, MODE pin of MCU micro-control unit 1 chip respectively by corresponding port, is convenient to carry out software debugging.Electrify restoration circuit shown in Figure 23, is connected with the RESET pin of MCU micro-control unit 1 chip.Filtering is carried out by decoupling capacitance C4, C5 in parallel shown in Figure 24.Zero cross detection circuit shown in Figure 25, is connected with the ZERO pin of MCU micro-control unit 1 chip, is also connected with line voltage at N, L end.Pulse output signals isolation module shown in Figure 26, is provided with optocoupler, and it is connected with the CF pin of MCU micro-control unit 1 chip.As shown in figure 27, in the circuit of described energy source gateway, Nin1 and Nout1 is equivalent to directly connect with wire, and the line situation of Nin and Nout is similar with it; Copper-manganese shunt resistance is provided with, Lin1 place ground connection between Lin1 and Lout1; The line situation of Lin and Lout is similar with it.
In sum, what the utility model provided can source gateway, as the power equipment of smart power grid user side, can based on power line carrier technology and terminal equipment in communication, and meet user security electricity consumption and obtain the demand of all kinds of value-added service.This energy source gateway possesses that fault electric arc detects, the control of terminal equipment and result feedback function, the function of electric quantity metering that socket is carried out, the real-time behavior of terminal equipment can also be fed back to the ustomer premises access equipment such as mobile phone, panel computer, facilitate user to monitor and carry out Non-follow control.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (9)
1. realize the energy source gateway that fault electric arc detects, it is characterized in that,
Describedly can be provided with can each module work controls in source gateway MCU micro-control unit (1) by source gateway, and the fault electric arc detection module, conditions at the arc feedback module, the equipment state feedback module that are connected respectively with described MCU micro-control unit (1);
Described fault electric arc detection module (4) detects to the conditions at the arc in energy electrical network loop, source gateway place the fault electric arc information obtained, MCU micro-control unit (1) is sent to via the described conditions at the arc feedback module (5) be connected with this fault electric arc detection module (4), warning message is sent, so that user checks warning message and carries out the manual operation to fault electric arc process on ustomer premises access equipment to ustomer premises access equipment by described equipment state feedback module (6).
2. energy source gateway as claimed in claim 1, is characterized in that,
Described fault electric arc detection module (4) is connected the arc detection signal obtaining each loop with power switching circuitry, by an interface unit (P3) and the RS485 chip that is connected with this interface unit (P3), send to MCU micro-control unit (1) after the arc detection signal of RS485 form being converted to corresponding Transistor-Transistor Logic level signal; Described RS485 chip is connected with described MCU micro-control unit (1), to receive the related data of control command or transmission arc-detection.
3. energy source gateway as claimed in claim 1 or 2, is characterized in that,
Described energy source gateway be provided with the carrier communication module (2) be connected with described MCU micro-control unit (1); Described energy source gateway is communicated based on power line carrier mode with between terminal equipment by carrier communication module (2).
4. energy source gateway as claimed in claim 3, is characterized in that,
Described can source gateway by socket generated energy acquisition module (3), carry out electric quantity metering to this energy source gateway based on the socket of power line carrier communication; Described socket generated energy acquisition module (3), obtains the voltage signal of socket by the electric resistance partial pressure sample circuit be connected with computation chip, and by computation chip, voltage signal is sent to MCU micro-control unit (1).
5. energy source gateway as claimed in claim 4, is characterized in that,
Described socket generated energy acquisition module (3), obtains the current signal of socket by the current channel sample circuit be connected with computation chip, and by computation chip, current signal is sent to MCU micro-control unit (1).
6. the energy source gateway as described in claim 4 or 5, is characterized in that,
Described socket generated energy acquisition module (3) is arranged in described energy source gateway, or is arranged in described socket.
7. energy source gateway as claimed in claim 6, is characterized in that,
Be provided with in described socket MCU controller, with described can source gateway communicate based on power carrier mode the second carrier communication module, keyboard input module, to be connected the output module display unit that arranges showing power consumption, the power module supply module of power supply being provided to the electrical equipment being connected to this socket and powering for this socket at this socket place.
8. energy source gateway as claimed in claim 1, is characterized in that,
Describedly to be provided with the terminal equipment control module (7) that is connected with MCU micro-control unit (1) respectively and to control result feedback module (8) by source gateway; Under MCU micro-control unit (1) controls, the operating state of described terminal equipment control module (7) to terminal equipment controls, and will control result feedback to MCU micro-control unit (1) via described control result feedback module (8).
9. an energy source gateway, is characterized in that, comprises:
MCU micro-control unit (1), and be attached thereto respectively and controlled by it with lower module:
Carrier communication module (2), described energy source gateway is communicated based on power line carrier mode with between terminal equipment by this carrier communication module (2);
Terminal equipment control module (7), receives the control command of MCU micro-control unit (1), controls the operating state of terminal equipment;
Control result feedback module (8), it is also connected with terminal equipment control module (7), is used for the result controlled terminal equipment to MCU micro-control unit (1) feedback terminal device control module (7);
Fault electric arc detection module (4), receives the control command of MCU micro-control unit (1), detects the conditions at the arc in energy electrical network loop, source gateway place;
Conditions at the arc feedback module (5), it is also connected with fault electric arc detection module (4), is used for MCU micro-control unit (1) feedback fault electric arc detection module (4) the conditions at the arc testing result that obtains;
Socket generated energy acquisition module (3), carries out electric quantity metering to this energy source gateway based on the socket of power line carrier communication, and charge value is sent to MCU micro-control unit (1);
Equipment state feedback module (6), wirelessly carry out information interaction with ustomer premises access equipment, the running status of the terminal equipment sending energy source gateway self to it or controlled by it, or the control signal that reception ustomer premises access equipment sends is to adjust the operating state of terminal equipment; And,
Power module (9), for the modules of described energy source gateway is powered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420474595.XU CN204272159U (en) | 2014-08-21 | 2014-08-21 | A kind of energy source gateway realizing fault electric arc and detect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420474595.XU CN204272159U (en) | 2014-08-21 | 2014-08-21 | A kind of energy source gateway realizing fault electric arc and detect |
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| CN204272159U true CN204272159U (en) | 2015-04-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135431A (en) * | 2014-08-21 | 2014-11-05 | 上海欧忆智能网络有限公司 | Energy gateway with fault arc detection function |
| WO2020172926A1 (en) * | 2019-02-28 | 2020-09-03 | 施耐德电器工业公司 | Power distribution detection device, power distribution detection method, and wireless power distribution detection system and method |
-
2014
- 2014-08-21 CN CN201420474595.XU patent/CN204272159U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135431A (en) * | 2014-08-21 | 2014-11-05 | 上海欧忆智能网络有限公司 | Energy gateway with fault arc detection function |
| WO2020172926A1 (en) * | 2019-02-28 | 2020-09-03 | 施耐德电器工业公司 | Power distribution detection device, power distribution detection method, and wireless power distribution detection system and method |
| CN111628569A (en) * | 2019-02-28 | 2020-09-04 | 施耐德电器工业公司 | Power distribution detection device, power distribution detection method, wireless power distribution detection system and wireless power distribution detection method |
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