CN108287261A - Intelligent electric meter - Google Patents
Intelligent electric meter Download PDFInfo
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- CN108287261A CN108287261A CN201810407205.XA CN201810407205A CN108287261A CN 108287261 A CN108287261 A CN 108287261A CN 201810407205 A CN201810407205 A CN 201810407205A CN 108287261 A CN108287261 A CN 108287261A
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- 238000004891 communication Methods 0.000 claims abstract description 87
- 238000006243 chemical reaction Methods 0.000 claims abstract description 52
- 230000005611 electricity Effects 0.000 claims abstract description 41
- 239000013307 optical fiber Substances 0.000 claims abstract description 33
- 230000001172 regenerating effect Effects 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000087 stabilizing effect Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/56—Special tariff meters
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Optical Communication System (AREA)
Abstract
The present invention provides a kind of intelligent electric meter, including：Ammeter ontology, the optical fiber input interface being arranged on ammeter ontology, the first power line interface and the second power line interface, ammeter table ontology include：Electricity computing module, expense computing module, power information acquires communication module, alarm module, photoelectric conversion module and power line communications communication module, electricity computing module is connect with input power line, electricity computing module is connect with expense computing module, electricity computing module, expense computing module and alarm module are connect with power information acquisition communication module respectively, power information acquisition communication module is connect by input power line with control centre, photoelectric conversion module is connect with optical fiber cable, photoelectric conversion module is connect with power line communications communication module, power line communications communication module is connect with output power line, optical fiber cable output optical fibre signal is to photoelectric conversion module, photoelectric conversion module exports ethernet signal to output power line, user is set to exclusively enjoy fiber bandwidth.
Description
Technical field
The present invention relates to electronic technology fields, in particular to a kind of intelligent electric meter.
Background technology
Intelligent electric meter is the intelligent terminal of intelligent grid, it has not been traditional electric energy meter, and intelligent electric meter removes
Have other than the function of measuring of traditional electric energy meter basic electricity, in order to adapt to intelligent grid and new energy use it also have
Have two-way a variety of rate function of measuring, plurality of data transmission modes the intelligentized function such as bidirectional data communication function, intelligence
Ammeter represents the developing direction of following energy-conserving intelligent power grid end user's intelligent terminal.
Current power line communications mode is that fiber-optic signal is changed into ethernet signal in transformer platform area, then ether
Net signal and power line are coupled, all resident families being transmitted to by power line below the taiwan area.Under this pattern, all resident families
The fiber bandwidth is shared, and makes unstable networks since transmission path is longer, online experience is poor.
Invention content
The purpose of the present invention is to provide a kind of intelligent electric meters, to solve the above problems.
What the embodiment of the present invention was realized in：
The embodiment of the present invention provides a kind of intelligent electric meter, including：Ammeter ontology, the optical fiber being arranged on the ammeter ontology
Input interface, the first power line interface and the second power line interface, the ammeter table ontology include：Electricity computing module takes
Communication module, alarm module, photoelectric conversion module and power line communications communication module are acquired with computing module, power information,
The electricity calculates module input and is connect with input power line by first power line interface, the electricity computing module
Output end is connect with the expense computing module input terminal, the expense computing module output end and the alarm module input terminal
Connection, the electricity computing module output end, the expense computing module output end and alarm module output end difference
It is connect with power information acquisition communication module input terminal, the power information acquisition communication module output end passes through described defeated
Enter power line to connect with control centre, the input terminal of the photoelectric conversion module is connected by the optical fiber input interface and optical fiber cable
It connects, the output end of the photoelectric conversion module is connect with the power line communications communication module input terminal, the power line communications
Communication module output end is connect by second power line interface with output power line, and the optical fiber cable output optical fibre signal is extremely
The photoelectric conversion module, the photoelectric conversion module output ethernet signal are described to the power line communications communication module
Power line communications communication module exports the ethernet signal to the output power line.
Optionally, the ammeter ontology further includes：Temperature and humidity acquisition module, the temperature and humidity acquisition module and the alarm
Module input connects.
Optionally, the photoelectric conversion module includes：Photoelectric detector, preamplifier, balanced device and judgement regeneration
Circuit, the input terminal of the photoelectric detector are connect with the optical fiber cable, the output end of the photoelectric detector with it is described before
The input terminal connection of amplifier is set, the output end of the preamplifier is connect with the balanced device, the output of the balanced device
The input terminal with the judgement regenerative circuit is held to connect, the output end of the judgement regenerative circuit is communicated with the power line communications
Module input connects.
Optionally, the photoelectric detector is avalanche photodide.
Optionally, the photoelectric conversion module further includes：Resistance and capacitance, one end of the resistance respectively with the photoelectricity
The output end of detector is connect with one end of the capacitance, the other end ground connection of the resistance, the other end of the capacitance and institute
State the input terminal connection of preamplifier.
Optionally, the photoelectric conversion module further includes：Main amplifier, the input terminal of the main amplifier with it is described preposition
The output end of amplifier connects, and the output end of the main amplifier is connect with the input terminal of the balanced device.
Optionally, the photoelectric conversion module further includes：Timing extraction circuit, the timing extraction circuit input terminal and institute
The connection of main amplifier output end is stated, the timing extraction circuit output end is connect with the judgement regenerative circuit input terminal.
Optionally, the photoelectric conversion module further includes：Peak detector and gain controller, the peak detector
Input terminal is connect with the output end of the balanced device, the input terminal of the output end of the peak detector and the gain controller
Connection, the output end of the peak detector are connect with the main amplifier.
Optionally, the photoelectric conversion module further includes：Two pole of triode, the first zener diode and the second voltage stabilizing
Pipe, the base stage of the triode are connect with the output end of the gain controller, one end of first zener diode and institute
State the input terminal connection of photoelectric detector, one end of the other end of first zener diode and second zener diode
The other end of connection, the second zener diode of institute is grounded, the collector of the triode respectively with first zener diode
The other end is connected with one end of second zener diode, the emitter of the triode and second zener diode
The other end connects.
Optionally, the photoelectric conversion module further includes：HVDC converter, the HVDC converter with it is described
First zener diode one end connects.
The advantageous effect of the embodiment of the present invention is：
The embodiment of the present invention provides a kind of intelligent electric meter, including：Ammeter ontology, the optical fiber being arranged on the ammeter ontology
Input interface, the first power line interface and the second power line interface, the ammeter table ontology include：Electricity computing module takes
Communication module, alarm module, photoelectric conversion module and power line communications communication module are acquired with computing module, power information,
The electricity calculates module input and is connect with input power line by first power line interface, the electricity computing module
Output end is connect with the expense computing module input terminal, the expense computing module output end and the alarm module input terminal
Connection, the electricity computing module output end, the expense computing module output end and alarm module output end difference
It is connect with power information acquisition communication module input terminal, the power information acquisition communication module output end passes through described defeated
Enter power line to connect with control centre, the input terminal of the photoelectric conversion module is connected by the optical fiber input interface and optical fiber cable
It connects, the output end of the photoelectric conversion module is connect with the power line communications communication module input terminal, the power line communications
Communication module output end is connect by second power line interface with output power line, and the optical fiber cable output optical fibre signal is extremely
The photoelectric conversion module, the photoelectric conversion module output ethernet signal are described to the power line communications communication module
Power line communications communication module exports the ethernet signal to the output power line.The present invention can make user exclusively enjoy light
Fibre ribbons are wide.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of module diagram of intelligent electric meter provided in an embodiment of the present invention；
Fig. 2 is a kind of module diagram of ammeter ontology provided in an embodiment of the present invention；
Fig. 3 is a kind of another module diagram of ammeter ontology provided in an embodiment of the present invention；
Fig. 4 is the module diagram of photoelectric conversion module provided in an embodiment of the present invention.
Icon：100- intelligent electric meters；20- ammeter ontologies；The first power line interfaces of 11-；12- optical fiber input interfaces；13-
Two power line interfaces；21- photoelectric conversion modules；22- electricity computing modules；23- expense computing modules；24- humiture collection moulds
Block；25- alarm modules；27- power line communications communication modules；28- power informations acquire communication module；211- photoelectric detectors；
212- preamplifiers；213- main amplifiers；214- balanced devices；215- adjudicates regenerative circuit；216- timing extraction circuits；217-
Peak detector；218- gain controllers；219- HVDC converters.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
Term " first ", " second ", " third ", " the 4th ", " the 5th ", " the 6th ", " the 7th ", " the 8th " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " connection " is answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
Other features and advantages of the present invention will be illustrated in subsequent specification, also, partly be become from specification
It is clear that being understood by implementing the embodiment of the present invention.The purpose of the present invention and other advantages can be by being write
Specifically noted structure is realized and is obtained in specification, claims and attached drawing.
Embodiment
Fig. 1 is a kind of module diagram of intelligent electric meter 100 provided in this embodiment, and Fig. 2 provides for the embodiment of the present invention
A kind of ammeter ontology 20 module diagram, please refer to Fig. 1 and Fig. 2, the intelligent electric meter 100 includes：Ammeter ontology 20 is set
Set optical fiber input interface 12, the first power line interface 11 and the second power line interface 13 on the ammeter ontology 20, institute
Stating ammeter table ontology includes：Electricity computing module 22, expense computing module 23, alarm module 25, power information acquisition communication mould
Block 28, photoelectric conversion module 21 and power line communications communication module 27,22 input terminal of electricity computing module pass through described
First power line interface 11 is connect with input power line, wherein the electricity computing module 22 is for counting and the intelligence electricity
Table connection load electricity consumption, the electricity computing module 22 by the electricity consumption data transmission of the load to the electricity consumption
Measure 22 output end of computing module connection expense computing module 23, the expense computing module 23 be based on the electricity consumption data with
And default charge criterion, calculate the electricity charge corresponding with the electricity consumption data, 23 output end of expense computing module and institute
The connection of 25 input terminal of alarm module is stated, in the present embodiment, the electricity computing module 22 can be electric quantity metering chip
ATT7022D, in other embodiments, the electricity computing chip can also use other chips, in the present embodiment, described
Expense computing module 23 is expense computing chip PXA270I, and in other embodiments, the expense computing chip can also use
Other chips, wherein expense computational algorithm built in the expense computing chip PXA270I, the photoelectric conversion module 21 it is defeated
Enter end to connect with optical fiber cable by the optical fiber input interface 12, the output end of the photoelectric conversion module 21 and the power line
27 input terminal of communication module of surfing the Internet connects, and the power line communications communication module 27 passes through second power line interface and output
Power line connects, and the output power line is connected with load, the optical fiber cable output optical fibre signal to the photoelectric conversion module
21 input terminals, 21 output end of photoelectric conversion module output ethernet signal to the power line communications communication module 27 input
End, 27 output end of power line communications communication module export the ethernet signal to the output power line, the output
Power line exports ethernet signal to the load, wherein in the present embodiment, the power line communications communication module 27 is to adopt
Chip model is QCA6410, in other implementations, the power line communications communication module 27 or its alloytype
Number power line communication chip, 22 output end of electricity computing module, 23 output end of expense computing module and described
25 output end of alarm module is connect with power information acquisition 28 input terminal of communication module respectively, in the present embodiment, the electricity consumption
The chip model that information acquiring communication module 28 may be used is Hi3911CRQIV2 and Hi3911TRNIV2, in other implementations
In, the communication chip of other models, the power information acquisition communication may be used in the power information acquisition communication module 28
28 output end of module is connect by the input power line with control centre, and the control centre is by electricity consumption data, expense number
According to the terminal device is sent to, the expense computing module 23 acquires communication module 28 by electricity charge number by the power information
According to the control centre is sent to, 23 output end of expense computing module is connect with 25 input terminal of the alarm module, described
When the cost data that 25 output end of alarm module is exported in the expense computing module 23 meets preset condition, i.e., in subscriber arrearage
When, communication module 28 is acquired by the power information and sends prompt messages, the control centre to the control centre
Send corresponding data to corresponding subscriber terminal equipment, in the present embodiment, the terminal device can be can be personal
Computer (personal computer, PC), tablet computer, smart mobile phone, personal digital assistant (personal digital
Assistant, PDA), the terminal devices such as wearable device.
Fig. 3 is please referred to, as an implementation, the ammeter sheet 20 further includes：Temperature and humidity acquisition module 24, the temperature
Humidity collection module 24 is connected with 25 input terminal of the alarm module, and in the present embodiment, the temperature and humidity acquisition module 24 is
Temperature Humidity Sensor, the Temperature Humidity Sensor are that sensor is one such, by believing collected humiture
Number it is transformed into electric signal according to certain rules or the information of other required forms is exported to the alarm module 25, the alarm module
25 voltage signal magnitude for characterizing temperature and humidity value for being exported in the temperature and humidity acquisition module 24 meets preset condition
When, send out alarm signal.
Fig. 4 is please referred to, as an implementation, the photoelectric conversion module 21 includes：It is photoelectric detector 211, preposition
Amplifier 212, balanced device 214 and judgement regenerative circuit 215, the input terminal of the photoelectric detector 211 and the optical fiber
Line connects, wherein 211 photodetector of the photoelectric detector includes：Photomultiplier, pyroelectric detector, photodiode, often
The light detecter for semiconductor seen includes：PN types photodiode, PIN type photodiode and avalanche photodide, it is basic
Principle is that fiber-optic signal is converted to electric signal, the output end of the photoelectric detector 211 and the preamplifier 212
Input terminal connects, and photoelectricity inspection device output electric signal to the preamplifier 212 is amplified processing, the preposition amplification
The output end of device 212 is connect with the balanced device 214, wherein the preamplifier 212 is low noise, wide band amplification
Device, the preamplifier 212 export a pre-amplified signal to the balanced device 214, since fiber-optic signal transmits in a fiber
When, due to being influenced by dispersion, signal will be distorted and broaden, and make to influence each other between symbol, error code occur, therefore, institute
It states balanced device 214 and is based on pre-amplified signal progress shaping, to reduce the influence of intersymbol interference, the usual balanced device 214
The signal waveform of output is raised cosine wave, wherein balanced device 214 is one kind can adjust various frequency content electric signals and put respectively
A large amount of electronic equipment compensates the defect of loud speaker and sound field by the adjusting of the electric signal to various different frequencies, compensates
With modify various sound sources and other special roles, the balanced device 214 on general sound console is only capable of to high frequency, intermediate frequency, three sections of low frequency
Electrical signal of the frequency is adjusted respectively, and the output end of the balanced device 214 and the input terminal of the judgement regenerative circuit 215 connect
It connecing, the voltage signal that the balanced device 214 exports is compared by the judgement regenerative circuit 215 with a default decision level,
The voltage signal that balanced device 214 exports described in the judgement moment is higher than decision level, then is judged as " 1 " code, is otherwise judged as " 0 "
Code then exports a digital pulse sequence being made of rectangular pulse, the judgement in the output end of judgement regenerative circuit 215
The output end of regenerative circuit 215 is connect with the input terminal of the output power line.
Optionally, the photoelectric detector 211 is avalanche photodide.Wherein, avalanche photodide is a kind of p-n
The light detection diode of junction type, the avalanche multiplication effect of carrier is utilized to amplify photosignal to improve the sensitive of detection in it
Degree, this device have many advantages, such as it is small-sized, sensitive, quick, suitable for the detection and reception of faint optical signal.
As an implementation, the photoelectric conversion module 21 further includes：Resistance R and capacitance C, the one of the resistance R
End is connect with the output end of the photoelectric detector 211 with one end of the capacitance C respectively, the other end ground connection of the resistance R,
The other end of the capacitance C is connect with the input terminal of the preamplifier 212, and the output end of the photoelectric detector 211 is defeated
The low current signal of the output gone out establishes signal voltage through the resistance R, and by described after the capacitance C is filtered
Preamplifier 212 prevent big.
As an implementation, the photoelectric conversion module 21 further includes：Main amplifier 213 and timing extraction circuit
216, the input terminal of the main amplifier 213 is connect with the output end of the preamplifier 212, the preamplifier 212
The pre-amplification voltage signal of output is amplified through the main amplifier 213, improves the gain of the pre-amplification voltage signal, will
The output signal of the preamplifier 212 is amplified to the level needed for the suitable judgement regenerative circuit 215, wherein described
The output signal level of preamplifier 212 is generally mV magnitudes, and the output signal level of main amplifier 213 be generally 1~
3V, the output end of the main amplifier 213 respectively with the input terminal of the balanced device 214 and the timing extraction circuit 216
Input terminal connects, and the output end of the timing extraction circuit 216 is connect with the input terminal of the judgement regenerative circuit 215.Wherein,
In order to be accurately determined " judgement moment ", it is necessary to which timing proposes that circuit extracts accurate timing information from signal code stream and is used for
Calibration, it is consistent with transmitting terminal to ensure.
As an implementation, the photoelectric conversion module 21 further includes：Peak detector 217 and gain controller
218, the input terminal of the peak detector 217 is connect with the output end of the balanced device 214, what the balanced device 214 exported
The peak detector 217 is transmitted to by the digital pulse signal that raised cosine wave forms and carries out detection processing, the peak detection
The output end of device 217 is connect with the input terminal of the gain controller 218, and the signal that the peak detector 217 exports passes through
The gain controller 218 is amplified processing, and in the present embodiment, the gain controller 218 is automatic growth control
(Automatic Gain Control, AGC) amplifier, the AGC amplifier export an AGC voltage signals, the gain control
The output end of device 218 processed is connect with the main amplifier 213, wherein the AGC voltage signals are on the one hand for controlling the light
On the other hand the reverse bias voltage of photodetector 211 is used to adjust the operating point of the main amplifier 213, with control, master is put
The gain of big device 213, to the raised cosine wave for making 214 output amplitude of the balanced device stablize, to ensure the correct of bit decision
Property.
As an implementation, the photoelectric conversion module 21 further includes：Triode Q1, the first zener diode D1 with
And the second zener diode D2, the base stage of the triode Q1 are connect with the output end of the gain controller 218, the gain
Controller 218 exports AGC voltage signals and is amplified to the AGC voltage signals to the triode Q1, the triode Q1
Processing, one end of the first zener diode D1 are connect with the input terminal of the photoelectric detector 211, first voltage stabilizing two
The other end of pole pipe D1 is connect with one end of the second zener diode D2, the second zener diode D2 another termination
Ground, the collector of the triode Q1 respectively with the first zener diode D1 other ends and the second zener diode D2
One end connection, the emitter of the triode Q1 connect with the other end of the second zener diode D2.Wherein, described
One zener diode D1 and the second zener diode D2 is the voltage stabilizing shown using PN junction reverse breakdown characteristics
Device made of energy, wherein zener diode is also referred to as Zener diode or backward diode, plays burning voltage in circuit
Effect, it is after being reversed breakdown using diode, and backward voltage does not change with reverse current within the scope of certain reverse current
This feature carries out voltage stabilizing.When backward voltage is relatively low, zener diode cut-off；When backward voltage reaches certain numerical value,
Reverse current increases suddenly, and zener diode enters breakdown region, even if reverse current changes in very large range at this time, voltage stabilizing
The backward voltage at diode both ends can also keep being basically unchanged.
As an implementation, the photoelectric conversion module 21 further includes：HVDC converter 219, the high pressure
DC converter 219 is connect with described one end first zener diode D1, and the HVDC converter 219 is used for direct current
Pressure signal is converted to the variable d. c. voltage signal of amplitude, wherein DC converter is high with the precision of voltage regulation, output noise is low,
The advantages that strong antijamming capability.
In conclusion a kind of intelligent electric meter provided by the invention, the intelligent electric meter include：Ammeter ontology is arranged in institute
State optical fiber input interface, the first power line interface and the second power line interface on ammeter ontology, the ammeter table ontology packet
It includes：Electricity computing module, expense computing module, power information acquisition communication module, alarm module, photoelectric conversion module and electricity
Line of force online communication module, the electricity calculate module input and pass through first power line interface and input power line company
It connects, the electricity computing module output end is connect with the expense computing module input terminal, the expense computing module output end
It is connect with the alarm module input terminal, the electricity computing module output end, the expense computing module output end and institute
It states alarm module output end to connect with power information acquisition communication module input terminal respectively, the power information acquisition communication
Module output end is connect by the input power line with control centre, and the input terminal of the photoelectric conversion module passes through the light
Fine input interface is connect with optical fiber cable, the output end of the photoelectric conversion module and the power line communications communication module input terminal
Connection, the power line communications communication module output end is connect by second power line interface with output power line, described
For optical fiber cable output optical fibre signal to the photoelectric conversion module, the photoelectric conversion module exports ethernet signal to the electric power
Line online communication module, the power line communications communication module export the ethernet signal to the output power line.This
It invents the intelligent electric meter provided to input with independent optical fiber so that user can exclusively enjoy fiber bandwidth, and since optical fiber is believed
Number transmission range is closer so that network transmission is surely more fixed, and user's online experience is good.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of intelligent electric meter, which is characterized in that including：Ammeter ontology, the optical fiber being arranged on ammeter ontology input connect
Mouth, the first power line interface and the second power line interface, the ammeter table ontology include：Electricity computing module, expense calculate
Module, power information acquisition communication module, alarm module, photoelectric conversion module and power line communications communication module, the electricity
Amount calculates module input and is connect with input power line by first power line interface, the electricity computing module output end
It being connect with the expense computing module input terminal, the expense computing module output end is connect with the alarm module input terminal,
The electricity computing module output end, the expense computing module output end and the alarm module output end respectively with it is described
Power information acquires the connection of communication module input terminal, and the power information acquisition communication module output end passes through the input electric power
Line is connect with control centre, and the input terminal of the photoelectric conversion module is connect by the optical fiber input interface with optical fiber cable, institute
The output end for stating photoelectric conversion module is connect with the power line communications communication module input terminal, and the power line communications communicate mould
Block output end is connect by second power line interface with output power line, the optical fiber cable output optical fibre signal to the light
Electric conversion module, the photoelectric conversion module export ethernet signal to the power line communications communication module, the power line
Online communication module exports the ethernet signal to the output power line.
2. intelligent electric meter according to claim 1, which is characterized in that the ammeter ontology further includes：Humiture collection mould
Block, the temperature and humidity acquisition module are connect with the alarm module input terminal.
3. according to the intelligent electric meter described in any claims of claim 1-2, which is characterized in that the photoelectric conversion module includes：
Photoelectric detector, preamplifier, balanced device and judgement regenerative circuit, the input terminal of the photoelectric detector and the light
Fine line connection, the output end of the photoelectric detector are connect with the input terminal of the preamplifier, the preamplifier
Output end is connect with the balanced device, and the output end of the balanced device is connect with the input terminal of the judgement regenerative circuit, described
The output end of judgement regenerative circuit is connect with the power line communications communication module input terminal.
4. intelligent electric meter according to claim 3, which is characterized in that the photoelectric detector is avalanche photodide.
5. intelligent electric meter according to claim 3, which is characterized in that the photoelectric conversion module further includes：Resistance and electricity
Hold, one end of the resistance is connect with the output end of the photoelectric detector with one end of the capacitance respectively, the resistance
The other end is grounded, and the other end of the capacitance is connect with the input terminal of the preamplifier.
6. intelligent electric meter according to claim 5, which is characterized in that the photoelectric conversion module further includes：Main amplifier,
The input terminal of the main amplifier is connect with the output end of the preamplifier, the output end of the main amplifier with it is described
The input terminal of weighing apparatus connects.
7. intelligent electric meter according to claim 6, which is characterized in that the photoelectric conversion module further includes：Timing extraction
Circuit, the timing extraction circuit input terminal are connect with the main amplifier output end, the timing extraction circuit output end with
The judgement regenerative circuit input terminal connection.
8. intelligent electric meter according to claim 7, which is characterized in that the photoelectric conversion module further includes：Peak detection
Device and gain controller, the input terminal of the peak detector are connect with the output end of the balanced device, the peak detector
Output end connect with the input terminal of the gain controller, the output end of the gain controller and the main amplifier connect
It connects.
9. intelligent electric meter according to claim 8, which is characterized in that the photoelectric conversion module further includes：Triode,
One zener diode and the second zener diode, the base stage of the triode are connect with the output end of the gain controller,
One end of first zener diode is connect with the input terminal of the photoelectric detector, first zener diode it is another
End connect with one end of second zener diode, the second zener diode the other end be grounded, the collection of the triode
Electrode is connect with one end of the first zener diode other end and second zener diode respectively, the triode
Emitter is connect with the other end of second zener diode.
10. intelligent electric meter according to claim 9, which is characterized in that the photoelectric conversion module further includes：High voltage direct current
Converter, the HVDC converter are connect with first zener diode one end.
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