CN109521268A - Electric energy metering device, ammeter equipment and configuration method - Google Patents
Electric energy metering device, ammeter equipment and configuration method Download PDFInfo
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- CN109521268A CN109521268A CN201811617337.1A CN201811617337A CN109521268A CN 109521268 A CN109521268 A CN 109521268A CN 201811617337 A CN201811617337 A CN 201811617337A CN 109521268 A CN109521268 A CN 109521268A
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- 238000001514 detection method Methods 0.000 claims abstract description 120
- 238000012545 processing Methods 0.000 claims abstract description 78
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000005611 electricity Effects 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims description 169
- 238000007689 inspection Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 10
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/063—Details of electronic electricity meters related to remote communication
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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
- G01R11/02—Constructional details
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Abstract
The present invention provides a kind of electric energy metering device, ammeter equipment and for the configuration method of electric energy metering device, it is related to technical field of electric power, wherein electric energy metering device includes: the first mutual inductor unit, for obtaining first detection signal corresponding with transmission line of electricity；Mutual inductor acquisition module, for obtaining the second detection signal corresponding with transmission line of electricity；Metering module for obtaining the first turn ratio of the first mutual inductor unit according to first detection signal, the second detection signal and the second turn ratio corresponding with mutual inductor acquisition module, and carries out configuration processing based on the first turn ratio.The device of the invention, ammeter equipment and configuration method, the turn ratio for the mutual inductor unit that electric energy metering device is configured can be automatically configured, it avoids when configuring the turn ratio of mutual inductor unit, since significantly deviation occurs in electrical energy measurement caused by operative configuration mistake, ensure the accuracy of electrical energy measurement, save the cost and resource.
Description
Technical field
The present invention relates to technical field of electric power more particularly to a kind of electric energy metering device, ammeter equipment and it is used for electric energy
The configuration method of metering device.
Background technique
In recent years, with the planning of energy Internet Construction, electric energy metering device is quickly grown.The electric energy meter of different size
Amount device has different rated current, but in practical applications, the electric current of required measurement is often much larger than electric energy metering device
Rated current, therefore general electric energy metering device is both needed to the external mutual inductor of configuration corresponding proportion, matches.Mutual inductor is again
Referred to as instrument transformer can be current transformer and voltage transformer etc., high voltage can be become to low-voltage, high current becomes
At low current.In general, the rated current that the type selecting of mutual inductor needs to survey load and electric energy metering device according to reality is jointly true
Fixed, for different application scenarios and different load equipments, the turn ratio of the mutual inductor of selection is all different.Therefore, for
Ammeter equipment etc. with multiple electric energy metering devices when installing electric energy metering device at the scene, needs to be used according to scene
The turn ratio of external mutual inductor electric energy metering device is configured.If configuration error, electrical energy measurement appearance will lead to
Very big deviation brings loss to user or supplier of electricity.
Summary of the invention
In view of this, the invention solves a technical problem be to provide a kind of electric energy metering device, ammeter equipment with
And the configuration method for electric energy metering device, the turn ratio of mutual inductor unit can be automatically configured.
According to an aspect of the present invention, a kind of electric energy metering device is provided, comprising: the first mutual inductor unit, for obtaining
Obtain first detection signal corresponding with transmission line of electricity；Mutual inductor acquisition module, it is corresponding with the transmission line of electricity for obtaining
Second detection signal；Metering module, for according to the first detection signal, it is described second detection signal and with it is described mutually
Corresponding second turn ratio of sensor acquisition module obtains the first turn ratio of first mutual inductor unit, and based on described the
One turn ratio carries out configuration processing.
Optionally, the mutual inductor acquisition module, comprising: the second mutual inductor unit, for obtaining the second detection letter
Number；Wherein, the turn ratio of second mutual inductor unit is second turn ratio.
Optionally, the mutual inductor acquisition module, comprising: signal processing unit is connect with second mutual inductor unit,
For receiving the second detection signal and obtaining the described second detection value information for detecting signal.
Optionally, the metering module, comprising: communication unit is established with the signal processing unit and communicated to connect, is used for
The detection value information for the second detection signal that the signal processing unit is sent is received by the communication connection.
Optionally, the communication unit receives described the second of the signal processing unit transmission by the communication connection
Turn ratio.
Optionally, the signal processing unit and the communication unit use Handshake Protocol to establish the communication connection；Its
In, after the communication connection is successfully established, the signal processing unit leads to the detection value information of the second detection signal
It crosses the communication connection and is sent to the communication unit.
Optionally, the signal processing unit sends handshake frames, if receiving the acknowledgement frame that the communication unit returns,
Then the communication connection is successfully established；Or, the communication unit sends handshake frames, returned if receiving the signal processing unit
The acknowledgement frame returned, then the communication connection is successfully established.
Optionally, the communication unit is also used to determining the configuration processing completion carried out based on first turn ratio
Later, the communication connection is interrupted.
Optionally, the metering module includes: storage unit；Configuration unit, respectively with first mutual inductor unit, institute
It states communication unit to connect with the storage unit, for the detected value based on the first detection signal, second turn ratio
First turn ratio is calculated with the detected value of the second detection signal, it is single that first turn ratio is stored in the storage
In member.
Optionally, the configuration unit, for determining first turn ratioWherein, B is described second
The detected value of signal is detected, C2 is second turn ratio, and A is the detected value of the first detection signal.
Optionally, the metering module, comprising: the first display unit, it is single with the communication unit and the configuration respectively
Member connection, for showing the state of the communication connection and/or the execution state of the configuration unit；The mutual inductor acquires mould
Block, comprising: the second display unit is connect with the signal processing unit, for showing the state of the communication connection.
Optionally, the communication unit includes: the first communication interface；The signal processing unit includes: that the second communication connects
Mouthful；Wherein, the communication connection is established by first communication interface and second communication interface；First communication connects
Mouth and second communication interface include at least one of bus interface, wireless interface, Industrial Ethernet interface.
Optionally, first mutual inductor unit includes: closed type mutual inductor；Second mutual inductor unit includes: pincers
Mouth mutual inductor.
Optionally, the first detection signal and the second detection signal are current signal or voltage signal.
According to another aspect of the present invention, a kind of ammeter equipment is provided, comprising: electric energy metering device as described above.
According to another aspect of the invention, a kind of configuration method for electric energy metering device is provided, comprising: pass through first
Mutual inductor unit obtains first detection signal corresponding with transmission line of electricity；It is obtained and the transmission of electricity by mutual inductor acquisition module
The corresponding second detection signal of route；Metering module according to the first detection signal, it is described second detection signal and with
Corresponding second turn ratio of the mutual inductor acquisition module obtains the first turn ratio of first mutual inductor unit, and is based on
First turn ratio carries out configuration processing.
Optionally, described that the second detection signal packet corresponding with the transmission line of electricity is obtained by mutual inductor acquisition module
It includes: the second detection signal is obtained by the second mutual inductor unit of the mutual inductor acquisition module；Wherein, described second mutually
The turn ratio of sensor cell is second turn ratio；Described in signal processing unit reception by the mutual inductor acquisition module
Second detection signal and the detection value information for obtaining the second detection signal.
Optionally, the communication unit of the metering module and the signal processing unit, which are established, communicates to connect；The communication
Unit receives the detection value information for the second detection signal that the signal processing unit is sent by the communication connection.
Optionally, the communication unit receives described the second of the signal processing unit transmission by the communication connection
Turn ratio.
Optionally, the signal processing unit and the communication unit use Handshake Protocol to establish the communication connection；?
After the communication connection is successfully established, the signal processing unit passes through the detection value information of the second detection signal described
Communication connection is sent to the communication unit.
Optionally, the signal processing unit and the communication unit are established the communication connection using Handshake Protocol and are wrapped
Include: the signal processing unit sends handshake frames, if receiving the acknowledgement frame that the communication unit returns, the communication link
It connects and is successfully established；Or, the communication unit sends handshake frames, if receiving the acknowledgement frame that the signal processing unit returns,
Then the communication connection is successfully established.
Optionally, it is receiving first turn ratio and is determining that the configuration carried out based on first turn ratio has been handled
At later, the communication unit interrupts the communication connection.
Optionally, detected value, second circle of the configuration unit of the metering module based on the first detection signal
First turn ratio is stored in the meter than calculating first turn ratio with the detected value of the second detection signal by number
In the storage unit for measuring module.
Optionally, the configuration unit determines first turn ratioWherein, B is second detection
The detected value of signal, C2 are second turn ratio, and A is the detected value of the first detection signal.
Optionally, the state of the communication connection and/or described is shown by the first display unit of the metering module
The execution state of configuration unit；The shape of the communication connection is shown by the second display unit of the mutual inductor acquisition module
State.
Optionally, the communication unit includes: the first communication interface；The signal processing unit includes: that the second communication connects
Mouthful；Further include: the communication connection is established by first communication interface and second communication interface；Wherein, described
One communication interface and second communication interface include bus interface, wireless interface, at least one in Industrial Ethernet interface
It is a.
Electric energy metering device, ammeter equipment and the configuration method for electric energy metering device of the invention, can be to electricity
The turn ratio for the mutual inductor unit that energy metering device is configured is automatically configured, and the turn ratio that can simplify mutual inductor unit is matched
The operation set is avoided when configuring the turn ratio of mutual inductor unit, since electrical energy measurement occurs caused by operative configuration mistake
Significantly deviation, it is ensured that the configuration of the turn ratio of the mutual inductor unit of electric energy metering device configuration is correct, so that it is guaranteed that electric energy
The accuracy of metering, save the cost and resource.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without any creative labor, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the module diagram of one embodiment of electric energy metering device according to the present invention；
Fig. 2 is the module diagram of another embodiment of electric energy metering device according to the present invention；
Fig. 3 is the application schematic diagram of another embodiment of electric energy metering device according to the present invention；
Fig. 4 is the module diagram of the metering module in one embodiment of electric energy metering device according to the present invention；
Fig. 5 is the module signal of the mutual inductor acquisition module in one embodiment of electric energy metering device according to the present invention
Figure；
Fig. 6 is the flow diagram of one embodiment of the configuration method according to the present invention for electric energy metering device.
Specific embodiment
With reference to the accompanying drawings to invention is more fully described, wherein illustrating exemplary embodiment of the present invention.Under
Face will combine the attached drawing in the embodiment of the present invention, and technical scheme in the embodiment of the invention is clearly and completely described, show
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.Various descriptions are carried out to technical solution of the present invention below with reference to each figure and embodiment.
" first " hereinafter, " second " etc. are only used for distinguishing in description, and there is no other special meanings.
As shown in Figure 1, the present invention provides a kind of electric energy metering device, comprising: metering module 11, the first mutual inductor unit 12
With mutual inductor acquisition module 21.First mutual inductor unit 12 is that electric energy metering device is the mutual inductor for carrying out electrical energy measurement and configuring
Unit, the first mutual inductor unit 12 obtain first detection signal corresponding with transmission line of electricity, and mutual inductor acquisition module 21 obtains
The second detection signal corresponding with transmission line of electricity, transmission line of electricity can be power supply line etc..
Metering module 11 is according to first detection signal, the second detection signal and corresponding with mutual inductor acquisition module 21
Second turn ratio obtains the first turn ratio of the first mutual inductor unit 12, and carries out configuration processing based on the first turn ratio.The number of turns
Than being also referred to as mutual inductor turn ratio, umber of turn ratio, coil ratio, mutual inductor ratio etc..Configuration processing can be in electric energy
First turn ratio etc. is stored in metering device.First mutual inductor unit 12 can be voltage transformer unit or current transformer list
Member etc..When electric energy metering device carries out electrical energy measurement, metering module 11 can be obtained according to the first mutual inductor unit 12 the
One detection signal and the first turn ratio of storage are calculated, and actual current corresponding with transmission line of electricity or voltage value are obtained.
In the prior art, it if being mounted with multiple electric energy metering devices in ammeter equipment, needs to each electric energy meter
The first turn ratio for measuring the first mutual inductor unit of device is manually verified, is configured, heavy workload and easy error.Above-mentioned reality
The electric energy metering device in example is applied, the turn ratio of the mutual inductor unit for metering can be automatically configured, can be simplified
The operation of the turn ratio configuration of mutual inductor unit, avoids manual operation bring mistake, guarantees the correctness of turn ratio configuration, with
Guarantee the accuracy of electrical energy measurement.
It, can be with when the electric current that external loading is input in metering module 11 is in the current margin of metering module 11
Do not need to be equipped with corresponding first mutual inductor unit 12, metering module 11 can directly wiring power on use, without being reconfigured the
First turn ratio of one mutual inductor unit 12.When external loading is input to the electric current in metering module 11 greater than metering module 11
When current margin, then it is equipped with corresponding first mutual inductor unit 12, mutual inductor acquisition module 21 can be pacified at the scene
Dress uses, and can be realized to connect and use, may be implemented to automatically configure the first turn ratio of the first mutual inductor unit 12.
In one embodiment, mutual inductor acquisition module can be there are many implementation, can be straight by the second detection signal
Metering module 11 is given in sending and receiving, alternatively, the detection value information of the second detection signal is sent to metering module by communicating to connect
11.As shown in Fig. 2,5, mutual inductor acquisition module 21 include the second mutual inductor unit 23, the second mutual inductor unit 23 obtain with it is defeated
Electric line 13 corresponding second detects signal, and the turn ratio of the second mutual inductor unit 23 is the second turn ratio.Second mutual inductor
Unit 23 can be voltage transformer unit or current transformer unit etc..First detection signal and the second detection signal can be equal
For current signal or voltage signal.
Mutual inductor acquisition module 21 includes signal processing unit 22, and signal processing unit 22 and the second mutual inductor unit 23 connect
It connects, signal processing unit 22 receives the second detection signal and obtains the detection value information of the second detection signal.Signal processing unit
22 can obtain the detection value information of the second detection signal, the detection value information of the second detection signal using a variety of existing circuits
It can be current value or voltage value etc..
In one embodiment, as shown in figure 4, metering module 11 includes communication unit 111, communication unit 111 and signal
Processing unit 22 establishes communication connection, the second inspection that communication unit 111 is sent by communication connection receipt signal processing unit 22
Survey the detection value information of signal.Communication unit 111 can also pass through the second of the communication connection transmission of receipt signal processing unit 22
Turn ratio.
Communication unit 111 can be communicated by wired or wireless mode with signal processing unit 22.For example, communication unit
111 include the first communication interface, and signal processing unit 22 includes the second communication interface, is communicated by the first communication interface and second
Interface establishes communication connection.First communication interface and the second communication interface include bus interface, wireless interface, Industrial Ethernet
At least one of interface.Bus interface can be 485 bus interface, UART bus interface, CAN interface etc., wirelessly connect
Mouth unit can be Lora interface, blue tooth interface etc..
In one embodiment, signal processing unit 22 and communication unit 111 are established using Handshake Protocol communicates to connect, and leads to
Letter connection can be a variety of communication connections, and after communication connection is successfully established, signal processing unit 22 detects signal for second
Detection value information is sent to communication unit 111 by communication connection.Handshake Protocol can be existing a variety of Handshake Protocols or from
The Handshake Protocol of definition.
Signal processing unit 22 sends handshake frames, if receiving the acknowledgement frame of the return of communication unit 111, communicates to connect
It is successfully established, alternatively, communication unit 111 sends handshake frames, if receiving the acknowledgement frame of the return of signal processing unit 22, leads to
Letter connection is successfully established.For example, sending handshake frames when signal processing unit 22 powers on, the information that handshake frames include includes representing
The field of device type and a string of spcial characters etc., for determining identity.If receiving the response of the return of communication unit 111
Frame, then communication connection is successfully established.Communication unit 11 determine is carried out based on the first turn ratio configuration processing completion after, in
Disconnected communication connection.
Metering module 11 include storage unit 113 and configuration unit 112, configuration unit 112 respectively with the first mutual inductor list
Member 12, communication unit 111 and storage unit 113 connect.Detected value, second circle of the configuration unit 112 based on first detection signal
First turn ratio is stored in storage unit 113 by number than calculating the first turn ratio with the detected value of the second detection signal.Configuration
Unit 113 determines the first turn ratio=second detection signal the second turn ratio of detected value */first detection signal detected value,
That is the first turn ratioWherein, B is the detected value of the second detection signal, and C2 is the second turn ratio, and A is the first inspection
Survey the detected value of signal.
For example, the first turn ratio default setting is 1, it is stored in storage unit 113.First mutual inductor unit 12 obtain with
The corresponding first detection signal of transmission line of electricity 13, configuration unit 112 receive first detection signal, obtain first detection signal
Detected value be 0.25A.Second mutual inductor unit 23 obtains second detection signal corresponding with transmission line of electricity 13, signal processing
The detected value that unit 22 obtains the second detection signal is 2.5A, and the detected value of the second detection signal is sent to by communication connection
The detected value of second detection signal is sent to configuration unit 112 by communication unit 111, communication unit 111.
Second turn ratio of the second mutual inductor unit 23 is 100:1, and the second turn ratio can be fixed value, pre-deposits and deposits
In storage unit 113, alternatively, the second turn ratio is variate, signal processing unit 22 sends the second turn ratio by communication connection
To communication unit 111, the second turn ratio is sent to configuration unit 112 by communication unit 111.
The detected value of the acquisition of configuration unit 112 second detection signal is 2.5A, the detected value of first detection signal is
0.25A, the second turn ratio are 100, and configuration unit 112 determines the first turn ratio=second detection signal the second circle of detected value *
Detected value=2.5*100/0.25=1000 of number ratio/first detection signal, configuration unit 112 match the first turn ratio
It sets, the first turn ratio is stored in storage unit 113, realize to the first turn ratio of the first external mutual inductor unit 12
It automatically configures.
First turn ratio is saved in storage unit 113, storage unit 113 can for NANDFLASH, NORFLASH,
EEPROM etc..After calculating the first turn ratio, the first turn ratio calculated is write into corresponding memory unit address
In.When 11 calculating current of metering module, calculating correction values can be carried out by reading corresponding first turn ratio from corresponding address.
First mutual inductor unit 12 may include closed type mutual inductor etc. and relevant circuit unit；Second mutual inductor list
Member 23 includes jaw mutual inductor etc. and relevant circuit unit.As shown in figure 3, the first mutual inductor unit 12 includes that closed type is mutual
Sensor, transmission line of electricity 13 pass through closed type mutual inductor from centre.There are two pin on closed type mutual inductor, output mutual inductor is secondary
The electric current of side is measured to metering module 11.
Second mutual inductor unit 23 includes jaw mutual inductor and its Acquisition Circuit, and jaw mutual inductor, which can be convenient scene, to be made
With being directly sandwiched on transmission line of electricity 13.Jaw mutual inductor, the i.e. mutual inductor of jaw type can make to configure the number of turns at the scene
Than when it is easy to use.The mutual inductor of determining turn ratio, for example, 100:1 can be used in jaw mutual inductor.When 111 He of communication unit
When signal processing unit 22 is communicatively coupled, communication unit 111 or signal processing unit 22 send frame data and carry out association of shaking hands
Quotient, configuration unit 112 executes correspondingly turn ratio calculates and configuration is handled etc. after negotiating successfully.
In one embodiment, as shown in figure 4, metering module 11 includes the first display unit 114, the first display unit
114 connect with communication unit 111 and configuration unit 112 respectively, for showing the state of communication connection and holding for configuration unit 112
Row state, or show the state of communication connection or the execution state of configuration unit 112.As shown in figure 5, mutual inductor acquisition module
21 include the second display unit 24, and the second display unit 24 is connect with signal processing unit 22, for showing the shape of communication connection
State.
The state of communication connection includes: to establish beginning state, be successfully established state, interrupt status, data transmission state etc..
The execution state of configuration unit 112 includes: to calculate turn ratio state, storage turn ratio state etc..First display unit 114 and
Two display units 24 can be there are many implementation.For example, the first display unit 114 and the second display unit 24 may include
LED light etc. by the flashing mode of specified LED light, can indicate state, the execution state of configuration unit 112 of communication connection
Deng.
In one embodiment, the present invention provides a kind of ammeter equipment, comprising: the electrical energy measurement in any embodiment as above
Device.
Fig. 6 is the flow diagram of one embodiment of the configuration method according to the present invention for electric energy metering device,
It is as shown in Figure 6:
Step 601, first detection signal corresponding with transmission line of electricity is obtained by the first mutual inductor unit.
Step 602, the second detection signal corresponding with transmission line of electricity is obtained by mutual inductor acquisition module.
Step 603, metering module is according to first detection signal, the second detection signal and opposite with mutual inductor acquisition module
The second turn ratio answered obtains the first turn ratio of the first mutual inductor unit, and is carried out at configuration based on first turn ratio
Reason.
In one embodiment, obtaining the second detection signal corresponding with transmission line of electricity by mutual inductor acquisition module has
Various ways.For example, obtaining the second detection signal, the second mutual inductor list by the second mutual inductor unit of mutual inductor acquisition module
The turn ratio of member is the second turn ratio.The second detection signal is received by the signal processing unit of mutual inductor acquisition module and is obtained
The detection value information of second detection signal.
The communication unit and signal processing unit of metering module, which are established, to be communicated to connect, and communication unit is received by communication connection
The detection value information for the second detection signal that signal processing unit is sent.Communication unit receives signal processing list by communication connection
The second turn ratio information that member is sent.
Signal processing unit and communication unit are established using Handshake Protocol to be communicated to connect, after communication connection is successfully established,
The detection value information of second detection signal is sent to communication unit by communication connection by signal processing unit.For example, at signal
It manages unit and sends handshake frames, if receiving the acknowledgement frame of communication unit return, communication connection is successfully established, alternatively, communication
Unit sends handshake frames, if receiving the acknowledgement frame of signal processing unit return, communication connection is successfully established.Determining base
After the first turn ratio carries out configuration processing completion, communication unit interrupts communication connection.
Detected value of the configuration unit of metering module based on first detection signal, the second turn ratio and the second detection signal
Detected value calculates the first turn ratio, and the first turn ratio is stored in the storage unit of metering module.Configuration unit determines first
Turn ratioWherein, B is the detected value of the second detection signal, and C2 is the second turn ratio, and A is first detection signal
Detected value.The state of communication connection and the execution shape of configuration unit can be shown by the first display unit of metering module
State, or the state of communication connection or the execution state of configuration unit are shown by the first display unit of metering module；By mutual
The state of the second display unit display communication connection of sensor acquisition module.
Electric energy metering device, ammeter equipment in above-described embodiment and the configuration method for electric energy metering device, can
It is automatically configured with the turn ratio of the mutual inductor unit configured to electric energy metering device, the circle of mutual inductor unit can be simplified
Number is avoided when configuring the turn ratio of mutual inductor unit, than the operations of configuration due to electric energy meter caused by operative configuration mistake
There is significantly deviation in amount, it is ensured that the configuration of the turn ratio of the mutual inductor unit of electric energy metering device configuration is correct, thus really
Protect the accuracy of electrical energy measurement, save the cost and resource.
Method and system of the invention may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, firmware any combination realize method and system of the invention.The said sequence of the step of for method is only
In order to be illustrated, the step of method of the invention, is not limited to sequence described in detail above, especially says unless otherwise
It is bright.In addition, in some embodiments, also the present invention can be embodied as to record program in the recording medium, these programs include
For realizing machine readable instructions according to the method for the present invention.Thus, the present invention also covers storage for executing according to this hair
The recording medium of the program of bright method.
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to invented form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (26)
1. a kind of electric energy metering device, comprising:
First mutual inductor unit, for obtaining first detection signal corresponding with transmission line of electricity；
Mutual inductor acquisition module, for obtaining the second detection signal corresponding with the transmission line of electricity；
Metering module, for acquiring mould according to the first detection signal, the second detection signal and with the mutual inductor
Corresponding second turn ratio of block obtains the first turn ratio of first mutual inductor unit, and based on first turn ratio into
Row configuration processing.
2. device as described in claim 1, wherein
The mutual inductor acquisition module, comprising:
Second mutual inductor unit, for obtaining the second detection signal；Wherein, the turn ratio of second mutual inductor unit is
Second turn ratio.
3. device as claimed in claim 2, wherein
The mutual inductor acquisition module, comprising:
Signal processing unit is connect with second mutual inductor unit, for receiving described in the second detection signal and acquisition
The detection value information of second detection signal.
4. device as claimed in claim 3, wherein
The metering module, comprising:
Communication unit is established with the signal processing unit and is communicated to connect, for receiving the signal by the communication connection
The detection value information for the second detection signal that processing unit is sent.
5. device as claimed in claim 4, wherein
The communication unit receives second turn ratio that the signal processing unit is sent by the communication connection.
6. device as claimed in claim 4, wherein
The signal processing unit and the communication unit use Handshake Protocol to establish the communication connection；
Wherein, it is described communication connection be successfully established after, the signal processing unit by it is described second detection signal detected value
Information is sent to the communication unit by the communication connection.
7. device as claimed in claim 6, wherein
The signal processing unit sends handshake frames, if receiving the acknowledgement frame that the communication unit returns, the communication
Connection is successfully established；Or,
The communication unit sends handshake frames, if receiving the acknowledgement frame that the signal processing unit returns, the communication
Connection is successfully established.
8. device as claimed in claim 4, wherein
The communication unit is also used to after determining that the configuration carried out based on first turn ratio processing is completed, interrupts institute
State communication connection.
9. device as claimed in claim 5, wherein
The metering module includes:
Storage unit；
Configuration unit is connect, for being based on respectively with first mutual inductor unit, the communication unit and the storage unit
The detected value of the detected value of the first detection signal, second turn ratio and the second detection signal calculates described first
First turn ratio is stored in the storage unit by turn ratio.
10. device as claimed in claim 9, wherein
The configuration unit, for determining first turn ratio
Wherein, B is the detected value of the second detection signal, and C2 is second turn ratio, and A is the first detection signal
Detected value.
11. device as claimed in claim 9, wherein
The metering module, comprising:
First display unit is connect with the communication unit and the configuration unit respectively, for showing the communication connection
The execution state of state and/or the configuration unit；
The mutual inductor acquisition module, comprising:
Second display unit is connect with the signal processing unit, for showing the state of the communication connection.
12. device as claimed in claim 4, wherein
The communication unit includes: the first communication interface；The signal processing unit includes: the second communication interface；
Wherein, the communication connection is established by first communication interface and second communication interface；First communication
Interface and second communication interface include at least one of bus interface, wireless interface, Industrial Ethernet interface.
13. device as claimed in claim 2, wherein
First mutual inductor unit includes: closed type mutual inductor；Second mutual inductor unit includes: jaw mutual inductor.
14. device as described in claim 1, wherein
The first detection signal and the second detection signal are current signal or voltage signal.
15. a kind of ammeter equipment, comprising:
Such as the described in any item electric energy metering devices of claim 1 to 14.
16. a kind of configuration method for electric energy metering device, comprising:
First detection signal corresponding with transmission line of electricity is obtained by the first mutual inductor unit；
The second detection signal corresponding with the transmission line of electricity is obtained by mutual inductor acquisition module；
Metering module is according to the first detection signal, the second detection signal and opposite with the mutual inductor acquisition module
The second turn ratio answered obtains the first turn ratio of first mutual inductor unit, and is configured based on first turn ratio
Processing.
17. the method described in claim 16, described corresponding with the transmission line of electricity by the acquisition of mutual inductor acquisition module
Second detection signal include:
The second detection signal is obtained by the second mutual inductor unit of the mutual inductor acquisition module；Wherein, described second
The turn ratio of mutual inductor unit is second turn ratio；
The second detection signal is received by the signal processing unit of the mutual inductor acquisition module and obtains second inspection
Survey the detection value information of signal.
18. method as claimed in claim 17, further includes:
The communication unit of the metering module and the signal processing unit, which are established, to be communicated to connect；
The communication unit detects signal by described second that the communication connection receives the signal processing unit transmission
Detect value information.
19. method as claimed in claim 18, further includes:
The communication unit receives second turn ratio that the signal processing unit is sent by the communication connection.
20. method as claimed in claim 18, further includes:
The signal processing unit and the communication unit use Handshake Protocol to establish the communication connection；
After the communication connection is successfully established, the signal processing unit leads to the detection value information of the second detection signal
It crosses the communication connection and is sent to the communication unit.
21. method as claimed in claim 20, the signal processing unit and the communication unit are established using Handshake Protocol
The communication connection includes:
The signal processing unit sends handshake frames, if receiving the acknowledgement frame that the communication unit returns, the communication
Connection is successfully established；Or,
The communication unit sends handshake frames, if receiving the acknowledgement frame that the signal processing unit returns, the communication
Connection is successfully established.
22. method of claim 18, further includes:
After determining that the configuration carried out based on first turn ratio processing is completed, the communication unit interrupts the communication link
It connects.
23. method as claimed in claim 19, further includes:
Detected value of the configuration unit of the metering module based on the first detection signal, second turn ratio and described
The detected value of two detection signals calculates first turn ratio, and first turn ratio is stored in the storage of the metering module
In unit.
24. method as claimed in claim 23, wherein
The configuration unit determines first turn ratio
Wherein, B is the detected value of the second detection signal, and C2 is second turn ratio, and A is the first detection signal
Detected value.
25. method as claimed in claim 23, wherein
The state of the communication connection and/or holding for the configuration unit are shown by the first display unit of the metering module
Row state；
The state of the communication connection is shown by the second display unit of the mutual inductor acquisition module.
26. method as claimed in claim 18, the communication unit includes: the first communication interface；The signal processing unit
It include: the second communication interface；The method also includes:
The communication connection is established by first communication interface and second communication interface；
Wherein, first communication interface and second communication interface include bus interface, wireless interface, Industrial Ethernet
At least one of interface.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115542029A (en) * | 2022-09-21 | 2022-12-30 | 正泰集团研发中心(上海)有限公司 | On-site matching method and system for mutual inductor |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101097653A (en) * | 2007-07-17 | 2008-01-02 | 东北大学 | Electric energy quality and electrical power system malfunction detection wave recording device and method |
| CN201765278U (en) * | 2010-04-30 | 2011-03-16 | 深圳市普禄科智能检测设备有限公司 | Online checking and measuring instrument for detecting TA variable ratio at low tension side and high-tension metering device |
| CN103108350A (en) * | 2013-01-25 | 2013-05-15 | 武汉中元通信股份有限公司 | Wireless transmission simulation method and simulation platform based on Ethernet technique |
| CN103487687A (en) * | 2013-09-21 | 2014-01-01 | 国网吉林省电力有限公司电力科学研究院 | Nonstandard variable ratio voltage transformer calibrating method |
| CN104597359A (en) * | 2015-02-07 | 2015-05-06 | 国家电网公司 | Networking-supportive electric energy measuring completion acceptance device |
| CN104730485A (en) * | 2015-02-04 | 2015-06-24 | 国家电网公司 | GIS type current transformer test method |
| CN107192975A (en) * | 2017-06-06 | 2017-09-22 | 国家电网公司 | A kind of test device of transformer |
| CN107219386A (en) * | 2017-08-01 | 2017-09-29 | 深圳供电局有限公司 | A kind of walkie electricity filching detection terminal and stealing detection method |
| CN107345975A (en) * | 2017-07-21 | 2017-11-14 | 国家电网公司 | A kind of method of electric energy metrical conversion equipment and the application device |
| CN107490721A (en) * | 2017-09-15 | 2017-12-19 | 郑州启硕电子科技有限公司 | A kind of intelligent electric meter electric power meter based on NB IoT |
| CN108152665A (en) * | 2017-11-24 | 2018-06-12 | 国网北京市电力公司 | Multiplexing electric abnormality determines method and device |
| CN208156182U (en) * | 2018-04-13 | 2018-11-27 | 南京丹迪克电力仪表有限公司 | A kind of multichannel directly measures formula mutual-inductor tester |
| CN208207187U (en) * | 2018-06-15 | 2018-12-07 | 国网山西省电力公司计量中心 | A kind of DC current transformer detector and on-site detecting device |
| CN209525389U (en) * | 2018-12-28 | 2019-10-22 | 珠海格力电器股份有限公司 | Electric energy metering device and ammeter equipment |
-
2018
- 2018-12-28 CN CN201811617337.1A patent/CN109521268A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101097653A (en) * | 2007-07-17 | 2008-01-02 | 东北大学 | Electric energy quality and electrical power system malfunction detection wave recording device and method |
| CN201765278U (en) * | 2010-04-30 | 2011-03-16 | 深圳市普禄科智能检测设备有限公司 | Online checking and measuring instrument for detecting TA variable ratio at low tension side and high-tension metering device |
| CN103108350A (en) * | 2013-01-25 | 2013-05-15 | 武汉中元通信股份有限公司 | Wireless transmission simulation method and simulation platform based on Ethernet technique |
| CN103487687A (en) * | 2013-09-21 | 2014-01-01 | 国网吉林省电力有限公司电力科学研究院 | Nonstandard variable ratio voltage transformer calibrating method |
| CN104730485A (en) * | 2015-02-04 | 2015-06-24 | 国家电网公司 | GIS type current transformer test method |
| CN104597359A (en) * | 2015-02-07 | 2015-05-06 | 国家电网公司 | Networking-supportive electric energy measuring completion acceptance device |
| CN107192975A (en) * | 2017-06-06 | 2017-09-22 | 国家电网公司 | A kind of test device of transformer |
| CN107345975A (en) * | 2017-07-21 | 2017-11-14 | 国家电网公司 | A kind of method of electric energy metrical conversion equipment and the application device |
| CN107219386A (en) * | 2017-08-01 | 2017-09-29 | 深圳供电局有限公司 | A kind of walkie electricity filching detection terminal and stealing detection method |
| CN107490721A (en) * | 2017-09-15 | 2017-12-19 | 郑州启硕电子科技有限公司 | A kind of intelligent electric meter electric power meter based on NB IoT |
| CN108152665A (en) * | 2017-11-24 | 2018-06-12 | 国网北京市电力公司 | Multiplexing electric abnormality determines method and device |
| CN208156182U (en) * | 2018-04-13 | 2018-11-27 | 南京丹迪克电力仪表有限公司 | A kind of multichannel directly measures formula mutual-inductor tester |
| CN208207187U (en) * | 2018-06-15 | 2018-12-07 | 国网山西省电力公司计量中心 | A kind of DC current transformer detector and on-site detecting device |
| CN209525389U (en) * | 2018-12-28 | 2019-10-22 | 珠海格力电器股份有限公司 | Electric energy metering device and ammeter equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115542029A (en) * | 2022-09-21 | 2022-12-30 | 正泰集团研发中心(上海)有限公司 | On-site matching method and system for mutual inductor |
| CN115542029B (en) * | 2022-09-21 | 2023-12-08 | 正泰集团研发中心(上海)有限公司 | On-site matching method and system of mutual inductor |
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