CN105738857A - Electric energy meter and acquisition terminal integrated testing device - Google Patents
Electric energy meter and acquisition terminal integrated testing device Download PDFInfo
- Publication number
- CN105738857A CN105738857A CN201610282293.6A CN201610282293A CN105738857A CN 105738857 A CN105738857 A CN 105738857A CN 201610282293 A CN201610282293 A CN 201610282293A CN 105738857 A CN105738857 A CN 105738857A
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- electric energy
- energy meter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides an electric energy meter and acquisition terminal integrated testing device. The electric energy meter and acquisition terminal integrated testing device comprises the components of a signal source, a standard power resource, a standard electric energy meter, a network switch, a master control computer and a meter hanger. A to-be-tested acquisition terminal and a to-be-tested electric energy meter are hanged on the meter hanger. The to-be-tested acquisition terminal communicates with the network switch through a communication module. The master control computer is connected with the to-be-tested acquisition terminal and the signal source and is used for respectively transmitting DL/T 645 2007 instruction and control instruction to the to-be-tested electric energy meter and the signal source. The signal source makes the standard power source output a standard value which comprises a voltage value and a current value to the meter hanger according to the control instruction. The standard electric energy meter monitors the current value and the voltage value which is output from the standard power source. The to-be-tested electric energy meter generates corresponding data and events according to the instruction and/or the standard value. The to-be-tested acquisition terminal reads the data and the event which are generated by the to-be-tested electric energy meter and transmits to the master control computer. The master control computer simultaneously tests the to-be-tested electric energy meter and the to-be-tested acquisition terminal according to information which is transmitted from the to-be-tested acquisition terminal.
Description
Technical field
The present invention relates to technical field of electrical measurement, particularly relate to a kind of electric energy meter and acquisition terminal integration calibration equipment.
Background technology
In June, 2014, State Grid Corporation of China promulgates " intelligent electric energy meter and acquisition terminal logout collection rule ",
It mainly realizes intelligent electric energy meter and acquisition terminal logout and is reported to power information according to urgent, significance level on time
Acquisition system.Wherein, 1 grade is emergency, has doubtful electricity filching behavior event including user, to specially becoming use
The monitoring event of family on-load switch state, and other need the event of very first time active reporting, acquisition strategies is main
Dynamic reporting schemes；2 grades is critical event, may affect the event that equipment is properly functioning including power down, parameter modification etc.,
Acquisition strategies is to gather every day；3 grades is more important event, including decompression, time overproof etc. may affect user can
By the event of electricity consumption, acquisition strategies is for monthly to gather；4 grades is the common event, including remotely-or locally carrying out equipment
Cross command operation, can be according to managing the event needing to carry out verifying and processing, acquisition strategies is on-demand collection.Such as,
Sample is 1 piece of concentrator and 1 piece of electric energy meter, makes concentrator and electric energy meter be in same circuit and be energized, and configures
Concentrator messaging parameter and archive information, make concentrator normally log in power information acquisition system, by adjust magnitude of voltage,
Current value or electric energy meter is carried out command operation, makes electric energy meter produce corresponding event, main examination power information collection
System the most accurately receives active reporting event.
The verification operation mode used at present is that configuration is adopted to test specimen (acquisition terminal and electric energy meter) normal power-up
Collection terminal communication parameter and archive information, make acquisition terminal normally log in power information acquisition system.According to " Intelligent electric
Energy table and acquisition terminal logout collection rule " requirement, the active reporting pattern-word of electric energy meter, acquisition terminal are set
Electric energy meter data staging sort out parameter, electric energy meter data staging parameter and electric energy meter data staging cycle parameter.Arrange
After parameter success, triggering and generate electric energy meter event, acquisition terminal is according to " electric energy meter data staging sorts out parameter ", " electricity
Energy table data staging parameter " and the facilities of " electric energy meter data staging cycle parameter ", pass through with the cycle arranged
The generation number of times of RS485 communication mode copy reading electric energy meter correspondence event, calculates newly-increased event times, according to newly-increased event
Number of times copy reading recent occurrence part, keeps in.After acquisition terminal keeps in electric energy meter event, event is generated number of times
With copy reading to event led with same frame by " forwarding main website directly batch copy reading data command to electric energy meter "
Move and report.Active reporting is returned after confirming by power information acquisition system, and acquisition terminal deletes corresponding temporary event.
The shortcoming of said method is: 1. needs testing crew to build experimental enviroment test, spends the time longer, and need
Take the resource of real power information acquisition system, operation complexity；2. testing crew is needed to check active reporting event
And judging conclusion, probability of makeing mistakes is high.
Further, electric energy meter calibrating apparatus and acquisition terminal calibration equipment are to respectively refer to electric energy meter and acquisition terminal external form knot
Structure design, it is only capable of accessing corresponding test specimen.For acquisition terminal, (acquisition terminal includes acquisition terminal calibration equipment
Special transformer acquisition terminal and concentrator) design, main control computer software only with acquisition terminal communication, it is impossible to operational power table,
I.e. can not be concurrently accessed electric energy meter and acquisition terminal, it is impossible to carry out acquisition terminal and electric energy meter experiment work simultaneously.Master control
Computer software needs upgrading, and development process is slower, it is impossible to carry out " intelligent electric energy meter and acquisition terminal logout in time
Collection rule " work.
The main control computer software of acquisition terminal calibration equipment is furnished with simulation electric energy meter, and acquisition terminal is only capable of passing through RS485
Communication mode copy reading simulation electric energy meter information, it is impossible to simulated by carrier communication mode or micropower communication mode copy reading
Electric energy meter information, it is thus impossible to whether the Local Communication Module of checking acquisition terminal meets " intelligent electric energy meter and collection
Terminal affair record collection rule " requirement.
Summary of the invention
For solving above-mentioned technical problem, the invention provides a kind of electric energy meter and acquisition terminal integration calibration equipment, institute
State calibration equipment to include: signal source, calibration power source, standard electric energy meter, the network switch, main control computer and extension
Dial framework；
Described meter hanging frame is used for mounting acquisition terminal to be measured and electric energy meter to be measured, and described acquisition terminal to be measured passes through its place
Communication module in epi-position and described network switch communication；
Described main control computer turns RS-485 order wire by serial ports and is connected with described electric energy meter to be measured, passes through Serial Port Line
It is connected with described signal source, for sending DL/T 645-2007 instruction to described electric energy meter to be measured, and to described signal
Source transmitting control commands；
Described signal source is used for resolving described control command, and makes described calibration power source to described pocket watch by Serial Port Line
Frame output comprises the standard value of magnitude of voltage and current value；
Described standard electric energy meter is in parallel with the pressure-wire in described calibration power source, and with the electric current line in described calibration power source
Series connection, for monitoring magnitude of voltage and the current value of the output of described calibration power source；
Described electric energy meter to be measured is for producing corresponding data and event according to described instruction and/or standard value；
Described acquisition terminal to be measured is used for data and the event that electric energy meter to be measured described in copy reading produces, and by described network
Switch is sent to described main control computer；
Described main control computer be additionally operable to the information sent according to described acquisition terminal to be measured to described electric energy meter to be measured and
Described acquisition terminal to be measured detects.
In one embodiment, when acquisition terminal to be measured and electric energy meter to be measured being hung over the corresponding epi-position of described meter hanging frame,
Remaining epi-position shorting stub on described meter hanging frame is connected.
In one embodiment, described communication module is communicated by ethernet line and RS-232 with described acquisition terminal to be measured
Line connects respectively.
In one embodiment, described communication module is additionally provided with remote signalling terminal, described remote signalling terminal and described collection to be measured
Remote signalling interface in terminal connects, to change the flag bit of described acquisition terminal to be measured.
In one embodiment, described acquisition terminal to be measured utilizes carrier communication mode or micro power radio communication mode to copy
Read data and the event of described electric energy meter to be measured.
In one embodiment, described acquisition terminal to be measured includes concentrator to be measured, special transformer acquisition terminal to be measured.
In one embodiment, described calibration equipment also includes a switch board, described signal source, calibration power source, standard
Electric energy meter and the network switch are located in described switch board.
Utilize the present invention, acquisition terminal and electric energy meter can be operated simultaneously, while electric energy meter event generates, gather
Terminal gathers electric energy meter event according to electric energy meter data staging cycle parameter, and active reporting is to main control computer.Change
Acquisition terminal calibration equipment cannot carry out acquisition terminal and the situation of electric energy meter test simultaneously before, increases substantially electric energy
Table and the efficiency of acquisition terminal event detection work.Further, utilization this invention also solves testing crew and builds proving ring
The problem that the border cost time is longer, is not take up real power information acquisition system resource, simple to operate, and detection is correct
Rate is high.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
It is some embodiments of the present invention, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is embodiment of the present invention electric energy meter and the structural representation of acquisition terminal integration calibration equipment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.
Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly falls into the scope of protection of the invention.
Fig. 1 is embodiment of the present invention electric energy meter and the structural representation of acquisition terminal integration calibration equipment.Such as Fig. 1
Shown in, this calibration equipment includes: signal source 1, calibration power source 2, standard electric energy meter 3, the network switch 4, master
Control computer 5 and meter hanging frame 6.
Wherein, meter hanging frame 6 is used for mounting acquisition terminal 7 to be measured and electric energy meter to be measured 8, and acquisition terminal 7 to be measured passes through
Communication module 9 in its place epi-position communicates with the network switch 4.
Main control computer 5 turns RS-485 order wire by serial ports and is connected with electric energy meter 8 to be measured, for electric energy to be measured
Table 8 sends DL/T 645-2007 instruction, makes electric energy meter 8 to be measured produce corresponding data and event.It addition, master control
Computer 5 is connected with signal source 1 also by Serial Port Line, for signal source 1 transmitting control commands.Main control computer
5 are connected with the network switch 4 also by ethernet line.
Signal source 1 is for resolving the control command that main control computer 5 is sent, and passes through Serial Port Line and calibration power source 2
Connect, make calibration power source 2 export the standard value comprising magnitude of voltage and current value to meter hanging frame 6.Standard electric energy meter 3
In parallel with the pressure-wire in calibration power source 2, and connect with the electric current line in calibration power source 2, for monitoring standard power
The magnitude of voltage of source 2 output and current value.
Electric energy meter 8 to be measured is for the DL/T 645-2007 instruction sent according to main control computer 5 and/or calibration power source
Comprise magnitude of voltage and the current value standard value of 2 outputs produce corresponding data and event.
Acquisition terminal 7 to be measured is used for data and the event that copy reading electric energy meter to be measured 8 produces, and by the network switch 4
It is sent to main control computer 5.
The information that main control computer 5 is additionally operable to send according to acquisition terminal 7 to be measured is to electric energy meter 8 to be measured and collection to be measured
Terminal 7 detects.
Utilize the present invention, acquisition terminal and electric energy meter can be operated simultaneously, while electric energy meter event generates, gather
Terminal gathers electric energy meter event according to electric energy meter data staging cycle parameter, and active reporting is to main control computer.Change
Acquisition terminal calibration equipment cannot carry out acquisition terminal and the situation of electric energy meter test simultaneously before, increases substantially electric energy
Table and the efficiency of acquisition terminal event detection work.Further, the present invention can pass through carrier wave or micro power radio communication side
Formula directly detects the communication capacity between electric energy meter and acquisition terminal, changes common detection device and can only pass through RS485
Mode be simulated between electric energy meter and acquisition terminal communication problem, also solve testing crew and build experimental enviroment
The problem that the cost time is longer, is not take up real power information acquisition system resource, simple to operate, detects accuracy
High.
In embodiments of the present invention, only as a example by one piece of electric energy meter and an acquisition terminal are verified, adopt to be measured
Collection terminal 7 is articulated in the 1st epi-position of meter hanging frame 6, and electric energy meter 8 to be measured is articulated in the 8th epi-position of meter hanging frame, and
Remaining epi-position of meter hanging frame 6 is used wire short circuit, it is to avoid open circuit phenomenon occurs.
Common, each epi-position of meter hanging frame 6 is equipped with communication module 9, and its one end is to pass through with the network switch 4
Ethernet line is connected, and the other end is connected with acquisition terminal 7 to be measured by ethernet line and RS-232 order wire respectively,
Acquisition terminal 7 to be measured is made to communicate between main control computer 5.
Meter hanging frame 6 can be 8 epi-position meter hanging frames, 16 epi-position meter hanging frames, 48 epi-position meter hanging frames or other quantity epi-positions
Meter hanging frame.The embodiment of the present invention only illustrates as a example by 16 epi-position meter hanging frames, is not intended to the restriction of the present invention.
16 epi-position meter hanging frames be generally divided into two rows, often 8 epi-positions of row, when mounting electric energy meter to be measured and collection to be measured
During terminal, electric energy meter to be measured can be mounted from often arranging last epi-position, mount to be measured from often ranked first an epi-position
Acquisition terminal, when there is residue epi-position centre, will residue epi-position short circuit with wire.The embodiment of the present invention is only with above-mentioned extension
Illustrate as a example by connecing mode, be not intended to limitation of the present invention.
Remote signalling terminal (not shown in figure 1) it is additionally provided with, this remote signalling terminal and acquisition terminal 7 to be measured in communication module 9
On remote signalling interface connect, make communication module 9 control acquisition terminal 7 to be measured, to change the mark of acquisition terminal 7 to be measured
Will position.
When verifying acquisition terminal 7 to be measured and electric energy meter to be measured 8, acquisition terminal 7 to be measured generally utilizes carrier wave
Data that communication mode or micro power radio communication mode copy reading electric energy meter to be measured 8 produce and event.
Acquisition terminal to be measured in above-described embodiment includes at least one in concentrator to be measured and special transformer acquisition terminal.
It is said that in general, the calibration equipment shown in Fig. 1 also includes a switch board 10, signal source 1, calibration power source 2,
Standard electric energy meter 3 and the network switch 4 can be located in switch board 10 in integration.
When using above-mentioned calibration equipment that electric energy meter 8 to be measured and acquisition terminal to be measured 7 are tested, according to above-mentioned
Connected mode, electric energy meter 8 to be measured, acquisition terminal to be measured 7 are articulated in respectively the 8th epi-position of meter hanging frame 6, the 1st
In epi-position, remaining epi-position shorting stub connects.Owing to being generally equipped with communication module in each epi-position on meter hanging frame 6
9, when being embodied as, by two remote signalling terminals of communication module 9 respectively with the remote signalling interface of acquisition terminal 7 to be measured even
Connect, and by RS-232 order wire and ethernet line, communication module 9 has been connected with acquisition terminal 7 to be measured respectively
Come.
After completing wiring, the working power opening calibration equipment is energized to this calibration equipment.
Power on to electric energy meter 8 to be measured, acquisition terminal to be measured 7, acquisition terminal 7 to be measured is set by main control computer 5
Messaging parameter so that acquisition terminal to be measured 7 logging in online switch 4.Specifically, main control computer 5 is utilized to lead to
Cross RS-232 communication mode and the messaging parameter of acquisition terminal 7 to be measured is set, then communication mode is changed to ether Netcom
Letter, makes acquisition terminal 7 logging in online switch 4 to be measured, to communicate with main control computer 5.
After acquisition terminal 7 logging in online switch 4 to be measured, utilize main control computer 5 that acquisition terminal 7 to be measured is set
Archive information, electric energy meter data staging sort out parameter, electric energy meter data staging parameter and electric energy meter data staging cycle
Parameter.Utilize main control computer 5 by RS-485 communication mode, the active reporting pattern of electric energy meter 8 to be measured is set
Word.
After acquisition terminal 7 to be measured is in electric energy meter 8 to be measured proper communication, adjust output to treating by main control computer 5
Survey electric energy meter 8 and obtain magnitude of voltage and current value, and/or it is " multi-functional that electric energy meter 8 to be measured is exported DL/T645-2007
Electric energy meter communication protocol " order, so that electric energy meter to be measured 8 produces corresponding data or event, carried out stream thing
Part, ammeter reset what event, power loss event etc. " intelligent electric energy meter and acquisition terminal logout collection rule " specified
Event detection works.
When electric energy meter 8 to be measured and acquisition terminal to be measured 7 being carried out overcurrent events, power loss event, decompression event, under-voltage
Event, over-voltage events, Voltage unbalance event, defluidization event, disconnected phase event, full decompression event and voltage reversal sequence
During the detection of event, main control computer 5 is responsible for control by Serial Port Line to signal source 1 transmitting control commands, signal source 1
Command analysis processed also makes calibration power source 2 export corresponding magnitude of voltage and current value to meter hanging frame 6 by Serial Port Line.Mark
Quasi-electric energy meter 3 is in parallel with the pressure-wire in calibration power source 2, connects with the electric current line in calibration power source 2, is used for monitoring
The magnitude of voltage of calibration power source 2 output and current value.Electric energy meter 8 to be measured according to current magnitude of voltage, current value and
This magnitude of voltage and the persistent period of current value, generate corresponding electric energy meter event (such as 1 grade event, 2 grades of events,
3 grades of events or 4 grades of events).Acquisition terminal 7 to be measured produces according to default cycle timing copy reading electric energy meter to be measured 8
Event, and the number of times that recording events generates, if there being newly-increased event to occur, event is generated secondary by acquisition terminal 7 to be measured
The event that number and copy reading are arrived is by " forwarding the main website batch copy reading data command directly to electric energy meter " with same frame actively
Report to main control computer 5.After main control computer 5 receives active reporting event, reply and confirm order, and logical inspection
Whether active reporting event meets " intelligent electric energy meter and acquisition terminal logout collection rule " requirement, it is judged that to be measured
Electric energy meter 8 and acquisition terminal to be measured 7 are the most qualified.
When electric energy meter 8 to be measured and acquisition terminal to be measured 7 are carried out ammeter reset event, trip event, combined floodgate event,
When on-load switch malfunction or tripping event, school during the detection of event, main control computer 5 uses RS-485 communication party
Formula, sends DL/T 645-2007 " multifunctional electric energy meter communication protocol " to electric energy meter 8 to be measured and file of putting on record refers to
Order, makes electric energy meter 8 to be measured generate corresponding event (such as 1 grade event, 2 grades of events, 3 grades of events or 4 grades of events).
The event that acquisition terminal 7 to be measured produces according to default cycle timing copy reading electric energy meter to be measured 8, and recording events generation
Number of times, if there being newly-increased event to occur, the event that event is generated number of times by acquisition terminal 7 to be measured and copy reading is arrived is by " turning
Send out main website directly batch copy reading data command to electric energy meter " with same frame active reporting to main control computer 5.Master control
After computer 5 receives active reporting event, reply and confirm order, and it is " intelligent to check whether active reporting event meets
Electric energy meter and acquisition terminal logout collection rule " requirement, it is judged that electric energy meter 8 to be measured and acquisition terminal to be measured 7
The most qualified.
After above-mentioned detection terminates, display subitem conclusion and " qualified " or " defective " printed words, if defective,
Can make a concrete analysis of according to the experimental diary.
Utilize the present invention, acquisition terminal and electric energy meter can be operated simultaneously, while electric energy meter event generates, gather
Terminal gathers electric energy meter event according to electric energy meter data staging cycle parameter, and active reporting is to main control computer.Change
Acquisition terminal calibration equipment cannot carry out acquisition terminal and the situation of electric energy meter test simultaneously before, increases substantially electric energy
Table and the efficiency of acquisition terminal event detection work.Further, the present invention can pass through carrier wave or micro power radio communication side
Formula directly detects the communication capacity between electric energy meter and acquisition terminal, changes common detection device and can only pass through RS485
Mode be simulated between electric energy meter and acquisition terminal the problem of communication, utilize and this invention also solves testing crew and take
Build experimental enviroment and spend time longer problem, be not take up real power information acquisition system resource, simple to operate,
Detection accuracy is high.
Utilizing the present invention, acquisition terminal can be believed by carrier communication mode or micropower communication mode copy reading electric energy meter
Breath, accurately the Local Communication Module of examination acquisition terminal and the communication module of electric energy meter whether meet " intelligent electric energy meter and
Acquisition terminal logout collection rule " requirement.
The present invention applies specific embodiment principle and the embodiment of the present invention are set forth, above example
Explanation be only intended to help to understand method and the core concept thereof of the present invention；General technology simultaneously for this area
Personnel, according to the thought of the present invention, the most all will change, in sum,
This specification content should not be construed as limitation of the present invention.
Claims (7)
1. an electric energy meter and acquisition terminal integration calibration equipment, it is characterised in that described calibration equipment includes:
Signal source, calibration power source, standard electric energy meter, the network switch, main control computer and meter hanging frame；
Described meter hanging frame is used for mounting acquisition terminal to be measured and electric energy meter to be measured, and described acquisition terminal to be measured passes through its place
Communication module in epi-position and described network switch communication；
Described main control computer turns RS-485 order wire by serial ports and is connected with described electric energy meter to be measured, passes through Serial Port Line
It is connected with described signal source, for sending DL/T 645-2007 instruction to described electric energy meter to be measured, and to described signal
Source transmitting control commands；
Described signal source is used for resolving described control command, and makes described calibration power source to described pocket watch by Serial Port Line
Frame output comprises the standard value of magnitude of voltage and current value；
Described standard electric energy meter is in parallel with the pressure-wire in described calibration power source, and with the electric current line in described calibration power source
Series connection, for monitoring magnitude of voltage and the current value of the output of described calibration power source；
Described electric energy meter to be measured is for producing corresponding data and event according to described instruction and/or standard value；
Described acquisition terminal to be measured is used for data and the event that electric energy meter to be measured described in copy reading produces, and by described network
Switch is sent to described main control computer；
Described main control computer be additionally operable to the information sent according to described acquisition terminal to be measured to described electric energy meter to be measured and
Described acquisition terminal to be measured detects.
Electric energy meter the most according to claim 1 and acquisition terminal integration calibration equipment, it is characterised in that when
When acquisition terminal to be measured and electric energy meter to be measured are hung over the corresponding epi-position of described meter hanging frame, by described meter hanging frame remaining
Epi-position shorting stub connects.
Electric energy meter the most according to claim 1 and acquisition terminal integration calibration equipment, it is characterised in that institute
State communication module to be connected respectively by ethernet line and RS-232 order wire with described acquisition terminal to be measured.
Electric energy meter the most according to claim 3 and acquisition terminal integration calibration equipment, it is characterised in that institute
Stating and be additionally provided with remote signalling terminal in communication module, described remote signalling terminal is connected with the remote signalling interface on described acquisition terminal to be measured,
Described communication module is made to control described acquisition terminal to be measured, to change the flag bit of described acquisition terminal to be measured.
Electric energy meter the most according to claim 1 and acquisition terminal integration calibration equipment, it is characterised in that institute
State acquisition terminal to be measured and utilize electric energy meter to be measured described in carrier communication mode or micro power radio communication mode copy reading
Data and event.
Electric energy meter the most according to claim 1 and acquisition terminal integration calibration equipment, it is characterised in that institute
State acquisition terminal to be measured and include concentrator to be measured, special transformer acquisition terminal to be measured.
Electric energy meter the most according to claim 1 and acquisition terminal integration calibration equipment, it is characterised in that institute
State calibration equipment and also include that a switch board, described signal source, calibration power source, standard electric energy meter and the network switch set
In described switch board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610282293.6A CN105738857A (en) | 2016-04-29 | 2016-04-29 | Electric energy meter and acquisition terminal integrated testing device |
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| CN201610282293.6A CN105738857A (en) | 2016-04-29 | 2016-04-29 | Electric energy meter and acquisition terminal integrated testing device |
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Cited By (5)
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| CN107727958A (en) * | 2017-09-21 | 2018-02-23 | 国网上海市电力公司 | A kind of power information event acquisition method of electric energy meter acquisition system |
| CN109959888A (en) * | 2017-12-22 | 2019-07-02 | 苏州市计量测试院 | A kind of zinc oxide arrester tester self-checking device and method |
| CN111143986A (en) * | 2019-12-24 | 2020-05-12 | 国网山西省电力公司计量中心 | Acquisition terminal field full-event simulation device |
| CN113125443A (en) * | 2021-04-19 | 2021-07-16 | 广东电网有限责任公司计量中心 | Electric energy meter detection system |
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| CN205594149U (en) * | 2016-04-29 | 2016-09-21 | 国网冀北电力有限公司电力科学研究院 | Electric energy meter and acquisition terminal integration calibration equipment |
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| CN107727958A (en) * | 2017-09-21 | 2018-02-23 | 国网上海市电力公司 | A kind of power information event acquisition method of electric energy meter acquisition system |
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Application publication date: 20160706 |