CN109212334A - Electric energy meter phase sequence identifies device and method - Google Patents
Electric energy meter phase sequence identifies device and method Download PDFInfo
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- CN109212334A CN109212334A CN201811133668.8A CN201811133668A CN109212334A CN 109212334 A CN109212334 A CN 109212334A CN 201811133668 A CN201811133668 A CN 201811133668A CN 109212334 A CN109212334 A CN 109212334A
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- 238000004891 communication Methods 0.000 claims description 34
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- 238000010586 diagram Methods 0.000 description 13
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- 238000005516 engineering process Methods 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/18—Indicating phase sequence; Indicating synchronism
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Abstract
The invention discloses a kind of electric energy meter phase sequences to identify that device and method, the electric energy meter phase sequence identify equipment application in power information acquisition system, comprising: main control module and the zero crossing detection module connecting with main control module；Main control module, for receiving the sense command of the zero crossing information and electric energy meter identity information including phase line of powering where it sent by collector and electric energy meter identity information being sent to zero crossing detection module；Zero crossing detection module detects the identity information for electric energy meter identity information based on the received and corresponds to the zero crossing information of electric energy meter and zero crossing information is sent to main control module；Main control module is also used to compare the zero crossing information of received electric energy meter and the zero crossing information of power supply phase line where collector, the phase sequence of power supply phase line where determining electric energy meter according to comparing result.Electric energy meter phase sequence identification equipment is arranged in the present invention between collector and electric energy meter, solves the problems, such as that collector hangs all electric energy meter phase sequence ownership identifications to lower.
Description
Technical field
The present invention relates to fields of communication technology, identify device and method in particular to a kind of electric energy meter phase sequence.
Background technique
With the fast development of urbanization, the requirement that citizen live to high-quality is gradually increased, the weight of smart grid construction
Will mark be power information acquisition system, rapidly the expanding of power grid scale, the substantial increase of measuring equipment becomes power network development
Inexorable trend.
In power information acquisition system, concentrator is used to issue acquisition to collector, and collector is used to receive, remember
Electric energy meter situation is recorded, realizes acquisition electricity data information, and data are uploaded to concentrator.And for collector,
More electric energy meters generally can be all hung down, and different electric energy meters may be linked into different power supply phase lines, and electric energy meter itself does not have
Standby phase sequence identification function, so collector all can not directly solve the lower phase sequence attaching problem for hanging electric energy meter at present.
Summary of the invention
In view of the above problems, the embodiment of the present invention is designed to provide a kind of electric energy meter phase sequence identification device and method,
So as to solve the deficiencies in the prior art.
According to embodiment of the present invention, a kind of electric energy meter phase sequence identification equipment is provided, is adopted applied to power information
Collecting system, the power information acquisition system further include concentrator, collector and multiple electric energy meters, the concentrator and the acquisition
Device connection, the collector are connect with electric energy meter phase sequence identification equipment, the electric energy meter phase sequence identification equipment and the acquisition
Multiple electric energy meter connections, the collector are believed according to the zero crossing of power supply phase line where the concentrator in platform area where device
The phase sequence of power supply phase line where breath and the zero crossing information of itself determine itself, the electric energy meter phase sequence identification equipment include:
Main control module and the zero crossing detection module being connected to the main control module；
The main control module, for receiving the zero crossing information and electricity including power supply phase line where it sent by collector
Can table identity information sense command and the electric energy meter identity information is sent to the zero crossing detection module；
The zero crossing detection module detects the corresponding electricity of the identity information for the electric energy meter identity information based on the received
Can table zero crossing information and the zero crossing information is sent to the main control module；
The main control module is also used to power where the zero crossing information of the received electric energy meter and the collector
The zero crossing information of phase line compares, the phase sequence of power supply phase line where determining the electric energy meter according to comparing result.
In above-mentioned electric energy meter phase sequence identification equipment, the zero crossing information of power supply phase line where the concentrator sends it
To the collector；
The collector believes the zero crossing information and the zero crossing of itself of power supply phase line where the received concentrator
Breath compares, and the phase sequence of itself place power supply phase line is determined according to comparing result.
In above-mentioned electric energy meter phase sequence identification equipment, after the phase sequence for determining the electric energy meter, the main control module is also
For the phase sequence to be sent to the collector.
In above-mentioned electric energy meter phase sequence identification equipment, before the phase sequence identification to the electric energy meter, the concentrator,
Time synchronization is carried out first between collector, electric energy meter phase sequence identification equipment and the multiple electric energy meter.
Further include power module in above-mentioned electric energy meter phase sequence identification equipment:
The power module, for giving electric energy meter phase sequence identification equipment power supply.
In above-mentioned electric energy meter phase sequence identification equipment, the power module includes charging interface and AC/DC converting unit.
Further include the communication module being connected to the main control module in above-mentioned electric energy meter phase sequence identification equipment:
The communication module, for realizing the electric energy meter phase sequence identification equipment and the power information acquisition system in its
Data transmission between his equipment.
In above-mentioned electric energy meter phase sequence identification equipment, the communication module include power wire broadband carrier communication unit,
Micro power radio communication unit and RS485 communication unit.
In above-mentioned electric energy meter phase sequence identification equipment, the concentrator passes through power wire broadband carrier communication unit, micro-
Power wireless communications unit or RS485 communication unit are communicated with the collector；
The collector passes through power wire broadband carrier communication unit, micro power radio communication unit or RS485 communication unit
It is first to be communicated with electric energy meter phase sequence identification equipment.
In above-mentioned electric energy meter phase sequence identification equipment, the electric energy meter phase sequence identification equipment passes through RS485 communication unit
It is communicated with the electric energy meter.
In above-mentioned electric energy meter phase sequence identification equipment, when electric energy meter phase sequence identification equipment and multiple electric energy meters
Further include being switched correspondingly with the electric energy meter when being communicated:
The main control module is also used to control the electric energy meter according to the electric energy meter identity information that the collector is sent corresponding
It switch connection and controls remaining all switch and disconnects.
Another embodiment of the present invention provides a kind of electric energy meter phase sequence identification method, is applied to power information acquisition system
System, the power information acquisition system further include concentrator, collector and multiple electric energy meters, and the concentrator and the collector connect
It connects, the collector is connect with electric energy meter phase sequence identification equipment, the electric energy meter phase sequence identification equipment and the collector institute
Multiple electric energy meters connections in platform area, the collector according to the zero crossing information of power supply phase line where the concentrator and
The phase sequence of power supply phase line, the electric energy meter phase sequence identification method include: where the zero crossing information of itself determines itself
Receive the zero crossing information and electric energy meter identity information including power supply phase line where it that the collector is sent
Sense command；
The zero crossing information that the identity information corresponds to electric energy meter is detected according to the electric energy meter identity information；
The zero crossing information of the electric energy meter and the zero crossing information of power supply phase line where the collector are compared,
And the phase sequence of the electric energy meter place power supply phase line is determined according to comparing result.
A further embodiment of the invention provides a kind of computer readable storage medium, the computer readable storage medium
In be stored with above-mentioned electric energy meter phase sequence identification method.
The electric energy meter phase sequence identification device and method that embodiment disclosed by the invention provides at least provide following technical effect:
Electric energy meter phase sequence identification equipment is set in collector and its lower hangs between multiple electric energy meters, is concentrated more to being hung under the collector
The phase sequence attaching information of a electric energy meter is managed, and according to the phase sequence information of collector, identifies equipment section in the electric energy meter phase sequence
The function of being identified to lower extension electric energy meter phase sequence can be realized in point, solves collector to the phase sequence of all electric energy meters of lower extension
The problem of ownership cannot identify has the characteristics that reliable communications, connection is easy, execute-in-place is safe, is applicable to need to carry out
The application of power information fine-grained management grasps comprehensively convenient for power grid main website and hangs electric energy meter under phase line of respectively powering for radio area
Power information, and then reach each phase power line for electric equilibrium, reduce power line line loss, improve generating equipment power output.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, letter will be made to attached drawing needed in the embodiment below
It singly introduces, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as to the present invention
The restriction of protection scope.
Fig. 1 shows a kind of structural schematic diagram of electric energy meter phase sequence identification equipment of first embodiment of the invention offer.
Fig. 2 shows a kind of zero cross detection circuit schematic diagrames provided in an embodiment of the present invention.
Fig. 3 shows a kind of zero passage detection waveform diagram provided in an embodiment of the present invention.
Fig. 4 shows a kind of phase sequence identification waveform diagram provided in an embodiment of the present invention.
Fig. 5 shows a kind of structural schematic diagram of electric energy meter phase sequence identification equipment of second embodiment of the invention offer.
Fig. 6 shows a kind of flow diagram of electric energy meter phase sequence identification method provided in an embodiment of the present invention.
Main element symbol description:
10- concentrator in such as figure；20- collector；30- electric energy meter phase sequence identifies equipment；31- main control module；The inspection of 32- zero passage
Survey module；33- switch；34- communication module；35- power module；40- electric energy meter.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.It is intended merely to herein in the term used in the description of multiple dimensioned scaling board
The purpose of specific embodiment is described, it is not intended that the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of a relevant listed item.
With reference to the accompanying drawing, it elaborates to a specific embodiment of the invention.
Embodiment 1
Fig. 1 shows a kind of structural schematic diagram of electric energy meter phase sequence identification equipment of first embodiment of the invention offer.It should
Electric energy meter phase sequence identifies that equipment 30 is applied to power information acquisition system, which includes concentrator 10, adopts
Storage 20, electric energy meter phase sequence identification equipment 30 and multiple electric energy meters 40.
The concentrator 10 can by power wire broadband carrier, micropower is wireless or communication modes and the institute such as RS485 bus
State the connection of collector 20, the collector 20 can by power wire broadband carrier, micropower is wireless or the communication parties such as RS485 bus
Formula is connect with electric energy meter phase sequence identification equipment 30, and the electric energy meter phase sequence identification equipment 30 passes through RS485 bus and this
The multiple electric energy meters 40 in area connect.
The concentrator 10 and collector 20 may be disposed on any phase power line of platform area transformer.For example, platform area becomes
Depressor has A, B and C three-phase power line, and concentrator 10 may be disposed on A phase power line, and collector 20 may be disposed at B phase electric power
On line.
Multiple electric energy meters 40 may be disposed on the power line of each phase of platform area transformer, e.g., can descend to hang on A phase power line
Multiple electric energy meters 40 can also hang down multiple electric energy meters 40 on B phase power line, can equally hang multiple electricity down on C phase power line
It can table 40.
In the present embodiment, the power wire broadband carrier is for power line narrow band carrier, network insertion speed
Faster, communication environments are more stable, and the data rate that channel can carry is higher.
The micropower wireless network is a kind of self-organizing network, and under certain condition, node is more, selectable routing
Path is more, and network reliability is higher.
Concentrator 10 and collector 20 itself have zero crossing detection function, the zero crossing of power supply phase line where can detect itself
Information.
The collector 20 is believed according to the zero crossing information and the zero crossing of itself for phase line of powering where the concentrator 10
The phase sequence of power supply phase line where breath determines itself.
The zero crossing information of power supply phase line where its own is sent to the collector 20 by the concentrator 10, described to adopt
Storage 20 will where received concentrator 10 power phase line zero crossing information and the zero crossing information of itself compare, according to
The phase sequence of power supply phase line where comparing result determines its own.
Wherein, situations such as comparing result includes advanced, identical and lag.
For example, the concentrator 10 is set on the A phase power line of described area's transformer, where phase line zero passage
The point time is 14:20:37.0000, and concentrator 10 sends the zero crossing time 14:20:37.0000 of A phase power line where it
To collector 20.
If the zero crossing time of itself that collector 20 acquires is 14:20:37.00667, received to be sent by concentrator 10
The zero crossing time be 14:20:37.0000, collector 20 is by the zero crossing information of the zero crossing information of itself and concentrator 10
Comparison, obtains zero crossing time lag 6.67ms of the zero crossing time compared to concentrator 10 of itself, if concentrator 10 is arranged
In on the A phase power line of described area's transformer, then the phase sequence for phase line of powering where collector 20 is B phase power line.Certainly, if
The zero crossing time of collector 20 and the zero crossing time of concentrator 10 are identical, the power supply phase where collector 20 and concentrator 10
Line is same phase power line.The electric energy meter phase sequence identification equipment 30 includes main control module 31 and zero crossing detection module 32.
The main control module 31 is electrically connected with the zero crossing detection module 32.
Before the phase sequence identification to the electric energy meter 40, the concentrator 10, collector 20, the electric energy meter phase sequence are known
Time synchronization is carried out first between other equipment 30 and the multiple electric energy meter 40.
In the present embodiment, where sending it to collector 20 in concentrator 10 when the zero crossing information of power supply phase line, it can survey
Propagation delay time of the signal containing the zero crossing information in the channel between concentrator 10 and collector 20 is measured, by concentrator 10
Sending time obtain the signal reception time information of collector 20 plus the propagation delay time, or measure the transmission of concentrator 10
Signal and collector 20 receive the time difference of signal, and then are adjusted correspondingly to the temporal information of collector 20, to reach
Time synchronization between concentrator 10 and collector 20；Packet is sent to all electric energy meter phase sequences identification equipment 30 in collector 20
It includes and sends signal and electric energy meter phase sequence identification equipment 30 to when corresponding to the transmission signal of electric energy meter 40, equally pass through above-mentioned synchronous method
Realize the time synchronization between collector 20 and all electric energy meter phase sequences identification equipment 30.
It in some other embodiments, can also be by other synchronous method to the concentrator 10, collector 20, institute
It states and carries out time synchronization between electric energy meter phase sequence identification equipment 30 and the multiple electric energy meter 40.
The main control module 31 receives the sense command sent by collector 20.Wherein, the sense command includes acquisition
The identity information etc. of the electric energy meter 40 of the zero crossing information and phase sequence of being carried out identification for phase line of powering where device 20.
For example, when the collector 20 sends sense command to electric energy meter phase sequence identification equipment 30, the inspection of transmission
It further include the identity information or address information of electric energy meter phase sequence identification equipment 30 in the data message of survey order.
In the present embodiment, the zero crossing information can be the temporal information of zero crossing.In some other embodiments,
The zero crossing information can also be the phase angle information etc. of zero crossing.
The identity information can be adopted for the power information where the factory ID or the electric energy meter 40 of the electric energy meter 40
Address information etc. in collecting system.
After receiving sense command, the main control module 31 is also used to analyze the sense command, identifies the inspection
The zero crossing information of power supply phase line where surveying collector 20 included in order and the electric energy meter 40 of the phase sequence of being carried out identification
Identity information, and by where the collector 20 power phase line zero crossing information store, by the phase sequence of being carried out knowledge
The identity information of other electric energy meter 40 is sent to zero crossing detection module 32.
For example, if the collector 20 is set on the B phase power line of described area's transformer, 20 place B phase of collector
The zero crossing time of power line is 14:20:38, and the factory ID of the electric energy meter 40 of the phase sequence of being carried out identification is
20151016am32, by the zero crossing time of 20 place B phase power line of collector be 14:20:38 carry out storage be used for it is subsequent
Compare operation, is that 20151016am32 is sent to zero crossing detection module by the factory ID of the electric energy meter 40 of the phase sequence of being carried out identification
32。
In addition, collector 20 can be according to phase of powering where the zero crossing information and concentrator 10 of power supply phase line where itself
The zero crossing information of line determines the phase sequence of itself.The zero crossing detection module 32 receives the electric energy sent by the main control module 31
40 identity information of table detects the zero crossing information of the corresponding electric energy meter 40 of the identity information and is sent to the zero crossing information
Main control module 31.
For example, being illustrated in figure 2 a kind of zero cross detection circuit schematic diagram provided in an embodiment of the present invention.Zero passage detection electricity
Lu Zhong, the power frequency component of each phase power line mains terminal are transported to the front end of optocoupler U101 after over commutation, are rectified after optocoupler U101
Pole connects high potential, and cathode is connected to main control module 31, and the optocoupler U101 is used to reach zero crossing when the power frequency component of mains terminal
When generate jump and by its cathode output pulse signal to main control module 31.
It is illustrated in figure 3 a kind of zero passage detection waveform diagram provided in an embodiment of the present invention.If each phase power line alternating current
The power frequency component at end is 220V, the sine wave of 50Hz, as shown in waveform P1, then, period of sine wave A is 1/50s=
20ms, 180 ° of phase angle i.e. half period are i.e. 10ms.Sine wave P1 it is rectified after output waveform be waveform P2 shown in just
String wave, waveform P2 pulse signal shown in output waveform P3 after optocoupler U101, waveform P3 are zero crossing trigger pulse.
The zero crossing that the main control module 31 sends the zero crossing information of the received electric energy meter 40 and collector 20
Information compares, the phase sequence of power supply phase line where determining the electric energy meter 40 according to comparing result.
For example, Fig. 4 show a kind of phase sequence identification waveform diagram provided in an embodiment of the present invention.When m- voltage sit
It puts on, voltage from zero is raised to positive peak value, is then lowered into zero point, be further continued for the time according to the track of sine wave
Drop to negative peak, then rise to zero point, continue next circulation, this sine wave is exactly zero passage when reaching zero point
Point, in a sinusoidal cycles, the sine wave Q1 of the 220V of each phase power line mains terminal, 50Hz can be there are two zero crossings.
In the present embodiment, the zero crossing is the zero crossing that waveform generates from low to high, certainly, in some other realities
It applies in example, the zero crossing may be the zero crossing that waveform is generated on earth by height.
Since three-phase electricity is one group, amplitude is equal, frequency is equal, 120 ° of phase angle mutual deviation of three-phase alternating current, sine wave Q2
120 ° of phase angles are lagged than sine wave Q1, in 220V, the sine wave of 50Hz, the corresponding temporal information in 120 ° of phase angles is 10/
180 × 120=6.67ms.In Fig. 4, it is assumed that waveform Q1 is the sine wave of 20 place phase line of collector, and waveform Q2 is electric energy meter 40
The sine wave of place phase line, if the time of effective zero crossing of sine wave Q1 is t1=14:20:38, effective mistake of sine wave Q2
The time of zero point is t2=14:20:38.00667.So, it is known that effective zero crossing time of sine wave Q2 is than sine wave Q1's
Effective zero crossing time lag 6.67ms.At this point, if collector 20 is located on the B phase power line of described area's transformer, electricity
Energy table 40 is located on the C phase power line of described area's transformer.
If zero crossing time of the zero crossing time of the electric energy meter 40 detected relative to the 20 place phase line of collector
Advanced 6.67ms, if the collector 20 is located on platform area transformer B phase power line, then, the electric energy meter detected 40
In on the A phase power line of platform area transformer.
If the zero crossing time of the electric energy meter 40 detected is identical as the zero crossing time of the 20 place phase line of collector,
If the collector 20 is located on platform area transformer B phase power line, then, which is located at platform area transformer
B phase power line on.
After main control module 31 obtains the phase sequence of corresponding electric energy meter 40, which is sent to collector 20, to realize
The identification of the phase sequence ownership for each electric energy meter 40 that it is connected on the node of collector 20.
Embodiment 2
Fig. 5 shows a kind of structural schematic diagram of electric energy meter phase sequence identification equipment of second embodiment of the invention offer.With
Embodiment 1 is compared, the electric energy meter phase sequence identification equipment 30 further include with the one-to-one switch 33 of the electric energy meter 40, communicate mould
Block 34 and power module 35.
The zero crossing detection module 32, the communication module 34 and the power module 35 are electric with the main control module 31
Property connection.
One end of the multiple switch 33 is connect with the zero crossing detection module 32, the other end of the multiple switch 33 with
Multiple electric energy meters 40 connect one to one.
After collector 20 determines the phase sequence of place power supply phase line of itself, the zero crossing of power supply phase line where its own is believed
Breath and its lower identity information for hanging a certain electric energy meter 40 are sent to main control module 31.
The identity information of the electric energy meter 40 for the carry out phase sequence identification that the main control module 31 is sent according to collector 20 controls
The switch 33 that the identity information corresponds to electric energy meter 40 is connected, and controls the disconnection of remaining all electric energy meters 40 corresponding switch 33, and
Sense command is sent to zero crossing detection module 32, zero crossing detection module 32 connects sense command according to this and detects corresponding electric energy meter 40
Zero crossing information.
Wherein, the corresponding relationship between the electric energy meter 40 and the switch 33 can be described by table.
| Electric energy meter | Switch |
| EEM001 | S001 |
| EEM002 | S002 |
| …… | …… |
| EEM00N | S00N |
In upper table, the number of the corresponding switch of electric energy meter EEM001 is S001, the volume of the corresponding switch of electric energy meter EEM002
Number be S002, the number of the corresponding switch of electric energy meter EEM00N is S00N etc..
When its lower identity information for hanging a certain electric energy meter 40 that collector 20 is sent is EEM001,31 basis of main control module
The identity information is that EEM001 controls switch S001 connection corresponding with EEM001, and switch S002~S00N is disconnected, and will inspection
It surveys order and is sent to zero crossing detection module 32, the mistake of power supply phase line where zero crossing detection module 32 detects corresponding electric energy meter EEM001
Zero point information；When its lower identity information for hanging a certain electric energy meter 40 that collector 20 is sent is EEM002, main control module 31
It is that EEM002 controls switch S002 connection corresponding with EEM002 according to the identity information, switch S001, S003~S00N are disconnected,
And will test order and be sent to zero crossing detection module 32, power supply phase where zero crossing detection module 32 detects corresponding electric energy meter EEM002
The zero crossing information of line；When its lower identity information for hanging a certain electric energy meter 40 that collector 20 is sent is EEM00N, master control mould
Block 31 is that EEM00N controls switch S00N connection corresponding with EEM00N according to the identity information, and switch S001~S00N-1 is disconnected
It opens, and will test order and be sent to zero crossing detection module 32, zero crossing detection module 32 supplies where detecting corresponding electric energy meter EEM00N
The zero crossing information of electric phase line.
Wherein, N is the integer greater than 1.
Zero crossing detection module 32 detects the zero crossing information of corresponding electric energy meter 40 and the zero crossing information is sent to master control
Module 31.
The main control module 31 will power where the zero crossing information of the received electric energy meter 40 and the collector 20
The zero crossing information of phase line compares, and the phase sequence of the power supply of electric energy meter 40 phase line is determined according to comparing result.
Wherein, situations such as comparison result includes advanced, identical and lag.
The communication module 34 is for realizing electric energy meter phase sequence identification equipment 30 and the power information acquisition system
Data transmission between interior other equipment.
The communication module 34 includes power wire broadband carrier communication unit, micro power radio communication unit and RS485 logical
Believe unit etc..
The collector 20 can by power wire broadband carrier, micropower is wireless or communication modes and the institute such as RS485 bus
It states electric energy meter phase sequence identification equipment 30 to connect, the electric energy meter phase sequence identification equipment 30 is multiple by RS485 bus and this area
Electric energy meter 40 connects.
Main control module 31 is also used to the phase sequence being sent to collector 20 after the phase sequence for determining corresponding electric energy meter 40,
So that being that can recognize its lower phase sequence attaching information for hanging all electric energy meters 40 in 20 place node of collector.
The power module 35 is used to identify that equipment 30 is powered for the electric energy meter phase sequence.
The power module 35 includes charging interface and AC/DC converting unit, and the charging interface is for receiving power supply electricity
The alternating current of line of force conveying, the AC/DC converting unit will be for that will be converted to the electric energy from the received alternating current of charging interface
The direct current of specification needed for table phase sequence identifies equipment 30, and then be embodied as the electric energy meter phase sequence identification all modules of equipment 30 and mention
For stable DC energy.
Embodiment 3
Fig. 6 shows a kind of flow diagram of electric energy meter phase sequence identification method provided in an embodiment of the present invention.
The electric energy meter phase sequence identification method is applied to power information acquisition system, which further includes collection
Middle device, collector and multiple electric energy meters, the concentrator are connect with the collector, the collector and the electric energy meter phase sequence
Identify equipment connection, the electric energy meter phase sequence identification equipment is connect with multiple electric energy meters in the platform area of collector place, institute
It states collector and itself place is determined according to the zero crossing information and the zero crossing information of itself of power supply phase line where the concentrator
The phase sequence for phase line of powering, the electric energy meter phase sequence identification method include:
Step S110 receives the zero crossing information and electric energy meter identity letter including phase line of powering where it that collector is sent
The sense command of breath.
Step S120 detects the zero crossing information that the identity information corresponds to electric energy meter according to the electric energy meter identity information.
Step S130, by the zero crossing information of power supply phase line where the zero crossing information of the electric energy meter and the collector
It compares, and determines the phase sequence of the electric energy meter place power supply phase line according to comparing result.
Another embodiment of the present invention also proposed a kind of computer readable storage medium, in the computer readable storage medium
It is stored with above-mentioned electric energy meter phase sequence identification method.
With this, the invention proposes a kind of electric energy meter phase sequences to identify device and method, in collector and its lower multiple electricity of extension
Electric energy meter phase sequence identification equipment can be set between table, concentrate the phase sequence attaching information to the multiple electric energy meters hung under the collector
It is managed, according to the phase sequence information of collector, can be realized in electric energy meter phase sequence identification device node to lower extension electric energy meter
The function that phase sequence is identified solves the problems, such as that collector cannot identify have to the phase sequence ownership of all electric energy meters of lower extension
There is the features such as reliable communications, connection is easy, execute-in-place is safe, is applicable to need to carry out answering for power information fine-grained management
With occasion, the power information for hanging electric energy meter under phase line of respectively powering for radio area is grasped comprehensively convenient for power grid main website, and then reach each
Phase power line for electric equilibrium, reduce power line line loss, improve generating equipment power output.
In several embodiments provided herein, it should be understood that disclosed system and method can also pass through
Other modes are realized.System embodiment described above is only schematical, for example, flow chart and structure in attached drawing
Figure shows the system frame in the cards of the system of multiple embodiments according to the present invention, method and computer program product
Structure, function and operation.In this regard, each box in flowchart or block diagram can represent a module, section or code
A part, a part of the module, section or code includes one or more for implementing the specified logical function
Executable instruction.It should also be noted that function marked in the box can also be to be different from the implementation as replacement
The sequence marked in attached drawing occurs.For example, two continuous boxes can actually be basically executed in parallel, they are sometimes
It can execute in the opposite order, this depends on the function involved.It is also noted that in structure chart and/or flow chart
The combination of each box and the box in structure chart and/or flow chart, can function or movement as defined in executing it is dedicated
Hardware based system realize, or can realize using a combination of dedicated hardware and computer instructions.
In addition, each functional module or unit in each embodiment of the present invention can integrate one independence of formation together
Part, be also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be intelligence
Can mobile phone, personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic or disk etc. be various to can store program code
Medium.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.
Claims (10)
1. a kind of electric energy meter phase sequence identifies equipment, which is characterized in that be applied to power information acquisition system, power information acquisition
System further includes concentrator, collector and multiple electric energy meters, and the concentrator is connect with the collector, the collector and institute
The identification equipment connection of electric energy meter phase sequence is stated, multiple electricity in platform area where the electric energy meter phase sequence identification equipment and the collector
Energy table connection, the collector are true according to the zero crossing information and the zero crossing information of itself of power supply phase line where the concentrator
The phase sequence of itself fixed place power supply phase line, the electric energy meter phase sequence identification equipment include:
Main control module and the zero crossing detection module being connected to the main control module；
The main control module, for receiving the zero crossing information and electric energy meter including power supply phase line where it sent by collector
The sense command of identity information and the electric energy meter identity information is sent to the zero crossing detection module；
The zero crossing detection module detects the identity information for the electric energy meter identity information based on the received and corresponds to electric energy meter
Zero crossing information and the zero crossing information is sent to the main control module；
The main control module is also used to phase line of powering where the zero crossing information of the received electric energy meter and the collector
Zero crossing information compare, the phase sequence of power supply phase line where determining the electric energy meter according to comparing result.
2. electric energy meter phase sequence according to claim 1 identifies equipment, which is characterized in that in the phase sequence for determining the electric energy meter
Afterwards, the main control module is also used to the phase sequence being sent to the collector.
3. electric energy meter phase sequence according to claim 1 identifies equipment, which is characterized in that know in the phase sequence to the electric energy meter
Before not, when being carried out first between the concentrator, collector, electric energy meter phase sequence identification equipment and the multiple electric energy meter
Between it is synchronous.
4. electric energy meter phase sequence according to claim 1 identifies equipment, which is characterized in that further include power module:
The power module, for giving electric energy meter phase sequence identification equipment power supply.
5. electric energy meter phase sequence according to claim 4 identifies equipment, which is characterized in that the power module includes charging
Mouth and AC/DC converting unit.
6. electric energy meter phase sequence according to claim 1 identifies equipment, which is characterized in that further include communication module:
The communication module is connected to the main control module；
The communication module, for realizing the electric energy meter phase sequence identification equipment in the power information acquisition system other set
Data transmission between standby.
7. electric energy meter phase sequence according to claim 6 identifies equipment, which is characterized in that the communication module includes power line
Bandwidth carrier communication unit, micro power radio communication unit and RS485 communication unit.
8. electric energy meter phase sequence according to claim 7 identifies equipment, which is characterized in that the electric energy meter phase sequence identifies equipment
It is communicated by RS485 communication unit and the electric energy meter.
9. electric energy meter phase sequence according to claim 8 identifies equipment, which is characterized in that when electric energy meter phase sequence identification is set
It is standby when being communicated with multiple electric energy meters, further include being switched correspondingly with the electric energy meter:
The main control module is also used to control the electric energy meter to inductive switch according to the electric energy meter identity information that the collector is sent
Remaining all switch is connected and controls to disconnect.
10. a kind of electric energy meter phase sequence identification method, which is characterized in that be applied to power information acquisition system, which adopts
Collecting system further includes concentrator, collector and multiple electric energy meters, and the concentrator is connect with the collector, the collector with
The electric energy meter phase sequence identification equipment connection, it is multiple described in platform area where the electric energy meter phase sequence identification equipment and the collector
Electric energy meter connection, the collector is according to the zero crossing information and the zero crossing information of itself of power supply phase line where the concentrator
The phase sequence of power supply phase line, the electric energy meter phase sequence identification method include: where determining itself
Receive the detection including the zero crossing information and electric energy meter identity information of power supply phase line where it that the collector is sent
Order；
The zero crossing information that the identity information corresponds to electric energy meter is detected according to the electric energy meter identity information；
The zero crossing information of power supply phase line where the zero crossing information of the electric energy meter and the collector is compared and root
The phase sequence of power supply phase line where determining the electric energy meter according to comparing result.
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| CN201811133668.8A CN109212334B (en) | 2018-09-27 | 2018-09-27 | Phase sequence identification equipment and method for electric energy meter |
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| CN201811133668.8A CN109212334B (en) | 2018-09-27 | 2018-09-27 | Phase sequence identification equipment and method for electric energy meter |
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Denomination of invention: Phase sequence identification equipment and method of electric energy meter Effective date of registration: 20220408 Granted publication date: 20211012 Pledgee: Shenzhen small and medium sized small loan Co.,Ltd. Pledgor: SHENZHEN FRIENDCOM TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2022440020045 |
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Address after: 3rd Floor, Building 6, Guangqian Industrial Zone, Longzhu 3rd Road, Longzhu 3rd Road, Longguang Community, Taoyuan Street, Nanshan District, Shenzhen, Guangdong Province, 518000 Patentee after: SHENZHEN FRIENDCOM TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 518000 6th floor, building 17, Guangqian Industrial Zone, Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN FRIENDCOM TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Granted publication date: 20211012 Pledgee: Shenzhen small and medium sized small loan Co.,Ltd. Pledgor: SHENZHEN FRIENDCOM TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2022440020045 |