CN206523625U - Multi-epitope electric energy meter on-site calibrator calibrating installation - Google Patents
Multi-epitope electric energy meter on-site calibrator calibrating installation Download PDFInfo
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- CN206523625U CN206523625U CN201621488091.9U CN201621488091U CN206523625U CN 206523625 U CN206523625 U CN 206523625U CN 201621488091 U CN201621488091 U CN 201621488091U CN 206523625 U CN206523625 U CN 206523625U
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Abstract
Power source, instrument and main control computer are provided with table platform, console is connect the utility model discloses multi-epitope electric energy meter on-site calibrator calibrating installation, including console, table platform is connect provided with multiple calibrating electricity box；Main control computer is connected with power source, and power source is connected with instrument, standard scale and calibrating electricity box, is provided with Error Calculator in each calibrating electricity box, standard scale is connected with Error Calculator, and Error Calculator communicates with main control computer；Power source includes controller, controller is connected with signal generator, the output all the way of signal generator is connected with the first signal amplifier and the first signal adapter, the output end of the first signal adapter direct voltage output signal all the way, and signal generator is connected to after the first relay is connected all the way；Another road output of signal generator is connected with secondary signal amplifier, secondary signal converter and signal processor, the output end of signal processor direct output current signal all the way, and signal generator is connected to after the second relay is connected all the way.
Description
Technical field
The utility model is related to electric energy meter on-site calibrator technical field, more particularly to multi-epitope electric energy meter on-site calibrator
Calibrating installation.
Background technology
Electric energy meter belongs to measurement instrument, is electricity generation system, electric power system (containing transmission of electricity, power transformation, sale of electricity etc.), electricity system
The important measurement instrument with each other such as (containing enterprise, resident), it is very high to its accuracy requirement, and electric energy meter on-site calibrator (with
Lower abbreviation：On-site calibrator) and its calibrating installation be ensure the electric energy meter degree of accuracy pith.To ensure electric energy meter field inspection
The accurate and effective development of work is surveyed, the calibrating to on-site calibrator is particularly important.
At present, the external and domestic calibrating to on-site calibrator, is carried out on standard electric energy meter calibrating installation, without special
The on-site calibrator calibrating installation of door, so that when carrying out the calibrating of on-site calibrator current clamp (split-core type meter mode), with very
High uncertainty.The attention degree enhancing examined and determine with generating, power supply, electricity system electric energy meter field, on-site calibrator
Quantity also in substantial increase, and the constantly conversion such as producer, specification, standard, thus on-site calibrator calibrating efficiency increasingly
It is important.Meanwhile, with the development and innovation of electronic technology, the output capacity of power source, accuracy, stability have larger hair
Exhibition, guarantee is provided for more multi-epitope verification system.
Utility model content
The purpose of this utility model is exactly that there is provided the calibrating of multi-epitope electric energy meter on-site calibrator in order to solve the above problems
Device, is realized on same set of calibrating installation, and accurate and stable calibrating is carried out to on-site calibrator through type and electric current jaw type,
Wiring need not be changed in verification process, and can guarantee that the uniformity of electric current jaw type calibrating.
To achieve these goals, the utility model is adopted the following technical scheme that：
Multi-epitope electric energy meter on-site calibrator calibrating installation, including console are provided with work(with table platform, the console is connect
Rate source, instrument, relay indicating light, tested table terminals and main control computer, the table platform that connects is provided with multiple calibrating electricity box；It is described
Main control computer is connected with power source, and the power source is connected with instrument, standard scale and calibrating electricity box, is provided with each calibrating electricity box
Error Calculator, standard scale is connected with Error Calculator, and the Error Calculator communicates with main control computer；
The power source includes controller, and the controller is connected with signal generator, the output all the way of signal generator
It is connected with the first signal amplifier and the first signal adapter, the output end of first signal adapter directly exports electricity all the way
Signal is pressed, signal generator is connected to after the first relay is connected all the way；
The output of another road and secondary signal amplifier, secondary signal converter and the signal processor of signal generator connect
Connect, the output end of the signal processor direct output current signal all the way is connected to signal after connecting the second relay all the way
Generator.
Standard scale terminals are reserved with the console, the binding post of the standard scale terminals and standard scale connects
Connect.
In the calibrating electricity box to be externally provided with power outlet, current terminal, voltage terminal, tested reception of impulse end and
Current clamp wiring copper post.
Described connect on front side of table platform surface is the platform for placing tested equipment, and rear side is outside the calibrating electricity box of multiple protrusions
Box, the inside of each calibrating electricity box outer box is provided with the calibrating electricity box, and the front side of calibrating electricity box outer box is provided with pull above and below energy
Shutter, connects place corresponding with the shutter on table platform surface and is provided with gap, passed through for the shutter.
It is provided with below console in casing, the casing and is provided with the power source.
Rear side of the instrument located at the surface of the console.
The working condition whether indicated horsepower source works that is used for being connected with the power source is additionally provided with the console
Indicator lamp.
Inside calibrating electricity box, all current terminals are cascaded, and all voltage terminals are in parallel.
The standard scale uses 0.01 grade of standard electric energy meter K2006 of three-phase.
The beneficial effects of the utility model are：
1. realize calibrating of the set of device to standard electric energy meter, on-site calibrator (through type and split-core type meter formula).
2. ensure Stability and veracity during split-core type meter calibrating.
Examined 3. realizing while many different sizes, different constants are detected table (containing standard electric energy meter and on-site calibrator)
It is fixed.
4. the present apparatus greatly improves the calibrating efficiency of on-site calibrator, especially split-core type meter, there is preferable application
Prospect.
Brief description of the drawings
Fig. 1 is console structure chart；
Fig. 2 is to connect table platform structure chart；
Fig. 3 is calibrating electricity box structure chart；
Fig. 4 is specific electric current, voltage wiring terminal connection figure；
Fig. 5 is the circuit diagram of power source；
Wherein, 1. console, 2. power sources, 3. standard scale terminals, 4. tested table terminals, 5. instrument, 6. connect table platform,
7. shutter, 8. calibrating electricity box, 8.1 current clamp wiring copper posts, 8.2. Error Calculators, 8.3. is detected reception of impulse end, 8.4 electricity
Supply socket, 8.5 current terminals, 8.6 voltage terminals；9. relay indicating light；
10.1：Controller；10.2：Display；10.3：Signal generator；10.41：First signal amplifier；10.42：The
Binary signal amplifier；10.51：First signal adapter；10.52：Secondary signal converter；10.61：First relay；
10.62：Second relay；10.7：Signal processor.
Embodiment：
The utility model is described further with embodiment below in conjunction with the accompanying drawings：
As Figure 1-3, multi-epitope electric energy meter on-site calibrator calibrating installation, including console 1 and table platform 6 is connect, it is described
1 provided with power source 2, instrument 5, relay indicating light 9, standard scale terminals 3, tested table terminals 4 and main control computer on console
(not provided in figure), the table platform 6 that connects is provided with multiple calibrating electricity box 8；
The main control computer is connected with power source 2, and the power source 2 is connected with instrument 5, standard scale and calibrating electricity box 8, often
Be provided with Error Calculator 8.2 in individual calibrating electricity box 8, standard scale is connected with Error Calculator 8.2, the Error Calculator 8.2 and
Main control computer communicates.
As shown in figure 5, the power source is three phase power source, including controller (CPU) 10.1, the controller and signal
Generator 10.3 is connected, the output all the way of signal generator 10.3 and the first signal amplifier 10.41 and the first signal adapter
10.51 connections, the output end of first signal adapter 10.51 direct voltage output signal all the way, connect all the way first after
Signal generator is connected to after electrical equipment 10.61 (gear selection)；
The output of another road and secondary signal amplifier 10.42, secondary signal converter 10.52 and the signal of signal generator
Processor 10.7 is connected, the output end of the signal processor (filtering etc.) direct output current signal all the way, and the is connected all the way
Signal generator is connected to after two relays 10.62.
The first above-mentioned signal amplifier 10.41, the first signal adapter 10.51, the first relay are all connected with per mutually electricity
Device 10.61, secondary signal amplifier 10.42, secondary signal converter 10.52, signal processor 10.7, the second relay
10.62.Three-phase shares a controller.Controller is also connected with display 10.2.
Power source is communicated by internal controller with outside control computer, is received and the work order of transmit power source,
After output order is assigned, controller first decomposes output order, passes to successively after A, B, C phase of power source, each Phase Receiver again
Secondary disassembly instruction, passes to the signal generator of voltage and current, after signal is produced, by signal amplifier, passes to successively
Signal adapter, is converted to required output signal, and such signal is not up to output and required, then transmits signals to relay,
Suitable signal output gear and process signal are selected, the signal handled well is delivered into signal amplifier afterwards, down followed successively
Ring transmits signal, until obtaining meeting the signal that output is required.To ensure accurate and stable output signal, turn in current signal
Signal processor is added between parallel operation and relay, current signal is handled, including removes spurious signal etc..
The instrument 5 includes three-phase voltage meter and three-phase electricity flow table.
Standard scale terminals 3, the binding post of the standard scale terminals 3 and standard scale are reserved with the console 1
Connection.
To being externally provided with power outlet 8.4, current terminal 8.5, voltage terminal 8.6, tested arteries and veins in the calibrating electricity box 8
Rush receiving terminal 8.3 and current clamp wiring copper post 8.1.
Described connect on front side of the surface of table platform 6 is the platform for placing tested equipment, and rear side is outside the calibrating electricity box of multiple protrusions
Box, the inside of each calibrating electricity box outer box is provided with the calibrating electricity box 8, and the front side of calibrating electricity box outer box is provided with pull above and below energy
Shutter 7, connects place corresponding with the shutter on table platform surface and is provided with gap, passed through for the shutter 7.
It is provided with below console in casing, the casing and is provided with the power source 2.
Rear side of the instrument 5 located at the surface of the console 1.
The work shape whether indicated horsepower source works that is used for being connected with the power source 2 is additionally provided with the console 1
State indicator lamp.
As shown in figure 4, open circles represent current output terminal, filled circles represent current input terminal, and concentric circles represents that voltage connects
Line end, inside calibrating electricity box 8, all current terminals are cascaded, and all voltage terminals are in parallel.Power source with
The voltage terminal of standard scale and console is all in parallel, and current terminal is also to be cascaded.Console electricity in wherein Fig. 4
Stream terminals are the reserved terminals of standard scale, so the current output terminal of standard scale and the current output terminal of console are to connect
It is connected together, the current input terminal of standard scale and the current input terminal of console are connected together.
The purpose of this utility model be to improve the efficiency of on-site calibrator calibration operation, ensure the calibrating of electric current through type and
The problem of Stability and veracity of electric current jaw type calibrating, especially electric current jaw type calibrating uniformity, is straight-through there is provided a kind of electric current
Formula and the equipment of electric current jaw type calibrating, realize on same set of calibrating installation, on-site calibrator through type and electric current jaw type are entered
The accurate and stable calibrating of row, need not change wiring, and can guarantee that the uniformity of electric current jaw type calibrating in verification process.
The utility model and standard scale, power source etc., which are worked in coordination, to be used, and constitutes on-site calibrator calibrating installation.
In the case where having taken into full account the requirement such as calibrating amount and calibrating efficiency, collectively constituted with the equipment such as standard scale, power source
A set of 10 epitope calibrating installation, while on-site calibrator (including through type and the electric current of 10 different manufacturers of calibrating, different constants
Jaw type), the degree of accuracy reaches 0.01%, and stability reaches 0.005%.Appearance design is succinct, directly perceived, easy to operate, calibrating efficiency
It is high.
1) console：A set of, place apparatus includes：Power source, standard scale, instrument 5, main control computer etc..
Power source and console design for integral type, are placed on operating table surface lower right, provide negative for a whole set of calibrating installation
Output is carried, is calibrating installation load capacity and the important guarantee of stability；
Standard scale is located on the right side of operating table surface, is the important guarantee of calibrating installation accuracy above power source；
Instrument 5 is in the center position of operating table surface, and using 6 pieces of advanced pointer gauges in the world, energy is accurate and intuitively shows
Go out the three-phase voltage and three-phase current output valve of device, device possesses relay indicating light, the working condition of display device.
Control computer is placed on the left of consing table top.
2) table platform is connect：Two sets (only being provided in figure a set of), including：Place the table top of tested on-site calibrator and separate
Calibrating electricity box.
After the factors such as floor space and convenience, selection design back-to-back, each connecing includes 5 calibratings on table platform
Electricity box.
3) electricity box are examined and determine：Ten sets, calibrating electricity box are independent mutually, and every 5 calibratings electricity box are connected to a socket table platform side by side
Together (unitary design), totally 2 table platform, 10 sets of calibrating electricity box are socketed.Include in each calibrating electricity box：
Tested on-site calibrator external power receptacle (220V)；
Voltage terminal (A-B-C-N ends)；
Ground wire terminals
Current terminal (terminal of two sets of different range, it is a set of to 12A (max.), a set of to 120A (max.))；
Current clamp wiring copper post (examine and determine, can be straight according to jaw using diameter of phi 8 or the copper binding posts of Φ 10 by electric current jaw type
Footpath is exchanged)；
Error Calculator (the tested on-site calibrator error amount of display, calibrating residual impulse number, calibrating remaining time etc.)；
Tested reception of impulse end (high and low frequency pulse, max.200kHz, 5-12 (24) V pulse amplitudes)；
Shutter (calibrating electricity box when not in use, shelter from calibrating electricity box, moistureproof dust-proof).
Use the on-site calibrator calibrating installation designed by the utility model：
Using working stamndards of the 0.01 grade of standard electric energy meter K2006 of three-phase as device, the standard output pulse of standard scale
It is connected with each calibrating electricity box, by examining and determine the tested reception of impulse end in electricity box, receives the pulse from tested on-site calibrator,
Error Calculator in calibrating electricity box calculates error amount.
There is the selection key that through type is examined and determine or electric current jaw type is examined and determine on console, can be needed to be grasped according to calibrating
Make：
Select during through type calibrating, it is necessary to after external cabling, power source output current, be introduced into the electric current input of standard scale
End, after output end outflow, into the current input terminal of console, then from the outflow of console current terminal, into first
The current input terminal of electricity box is examined and determine, then from current output terminal outflow, into the input of second calibrating electricity box, then from output end
Outflow carries out the input of the 3rd calibrating electricity box, by that analogy, until from the output end outflow of last calibrating epitope, entering
Enter power source current input terminal, now each calibrating electricity box, between power source, standard scale, electric current is series connection, and voltage is parallel connection.
When selecting the calibrating of electric current jaw type, it is also desirable to external cabling, electric current first passes through standard scale, so after power source outflow
The current clamp binding post of calibrating electricity box is sequentially passed through afterwards, power source current input terminal is finally returned that, now whole piece current loop
By standard scale.
The current clamp wiring copper post of each calibrating electricity box uses copper material, diameter of phi 8 or Φ 10, can be clamped according to tested current clamp
Mouth diameter is changed, and copper binding post is " door " word shape, exposed visible part progress insulation processing, it is ensured that safe operation, top
Spreader is to enable current clamp vertical punching in calibrating at current clamp clamp, it is ensured that the accuracy of calibrating, stability and always
Property.Connected between the heel post of binding post two and current clamp wiring copper post using self-tightening type, that current clamp wiring copper post passes through itself
Power, copper post is clamped, and also to ensure the electric conductivity at connection end, and this design ensures that calibrating binding post can be according to examined and determine electric current
Size, jaw diameter of pincers etc., change the binding post of suitable diameter, and adjust binding post height.
Pulse being received by reception of impulse end by each calibrating electricity box of tested on-site calibrator, and in Error Calculator
Calibration pulse with standard scale is compared, and calculates accurate error amount.
It is not new to this practicality although above-mentioned embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deform still in protection model of the present utility model
Within enclosing.
Claims (10)
1. multi-epitope electric energy meter on-site calibrator calibrating installation, it is characterized in that, including console and connect on table platform, the console
Provided with power source, instrument, relay indicating light, tested table terminals and main control computer, the table platform that connects is provided with multiple calibrating tables
Case；The main control computer is connected with power source, and the power source is connected with instrument, standard scale and calibrating electricity box, each examines and determine table
Error Calculator is provided with case, standard scale is connected with Error Calculator, and the Error Calculator communicates with main control computer；
The power source includes controller, and the controller is connected with signal generator, the output all the way of signal generator and the
One signal amplifier and the connection of the first signal adapter, the output end of first signal adapter all the way believe by direct voltage output
Number, it is connected to signal generator after the first relay is connected all the way；
Another road output of signal generator is connected with secondary signal amplifier, secondary signal converter and signal processor, institute
The output end of signal processor direct output current signal all the way is stated, signal is connected to after the second relay is connected all the way
Device.
2. multi-epitope electric energy meter on-site calibrator calibrating installation as claimed in claim 1, it is characterized in that, the instrument includes three
Phase voltage table and three-phase electricity flow table.
3. multi-epitope electric energy meter on-site calibrator calibrating installation as claimed in claim 1, it is characterized in that, it is pre- on the console
Leave standard scale terminals, the binding post connection of the standard scale terminals and standard scale.
4. multi-epitope electric energy meter on-site calibrator calibrating installation as claimed in claim 1, it is characterized in that, in the calibrating electricity box
To being externally provided with power outlet, current terminal, voltage terminal, tested reception of impulse end and current clamp wiring copper post.
5. the multi-epitope electric energy meter on-site calibrator calibrating installation as described in claim 1-4 any one, it is characterized in that, it is described
It is the platform for placing tested equipment to connect on front side of table platform surface, and rear side is the calibrating electricity box outer box of multiple protrusions, each examines and determine table
The inside of case outer box is provided with the calibrating electricity box, and shutter of the front side provided with pull above and below energy of calibrating electricity box outer box connects table platform
Place corresponding with the shutter is provided with gap on surface, is passed through for the shutter.
6. multi-epitope electric energy meter on-site calibrator calibrating installation as claimed in claim 1, it is characterized in that, set below console
Have and the power source is provided with casing, the casing.
7. multi-epitope electric energy meter on-site calibrator calibrating installation as claimed in claim 1, it is characterized in that, the instrument is located at institute
State the rear side on the surface of console.
8. multi-epitope electric energy meter on-site calibrator calibrating installation as claimed in claim 1, it is characterized in that, on the console also
Provided with the working station indicator whether indicated horsepower source works that is used for being connected with the power source.
9. multi-epitope electric energy meter on-site calibrator calibrating installation as claimed in claim 4, it is characterized in that, in calibrating electricity box
Portion, all current terminals are cascaded, and all voltage terminals are in parallel.
10. multi-epitope electric energy meter on-site calibrator calibrating installation as claimed in claim 1, it is characterized in that, the standard scale is adopted
With 0.01 grade of standard electric energy meter K2006 of three-phase.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621488091.9U CN206523625U (en) | 2016-12-30 | 2016-12-30 | Multi-epitope electric energy meter on-site calibrator calibrating installation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621488091.9U CN206523625U (en) | 2016-12-30 | 2016-12-30 | Multi-epitope electric energy meter on-site calibrator calibrating installation |
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ID=59889483
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459721A (en) * | 2018-12-29 | 2019-03-12 | 珠海安瑞通电子科技有限公司 | A kind of multi-epitope electric energy error meter and high-voltage electric energy meter error testing system |
| CN109738846A (en) * | 2019-01-25 | 2019-05-10 | 杭州海兴电力科技股份有限公司 | A kind of correction method based on meter active self-correcting |
| CN109975740A (en) * | 2019-05-13 | 2019-07-05 | 广东省计量科学研究院（华南国家计量测试中心） | A kind of calibrating monitoring system of electric energy meter checking device |
| CN110109044A (en) * | 2019-05-13 | 2019-08-09 | 广东省计量科学研究院（华南国家计量测试中心） | A kind of in-line calibration system and method for electric energy meter checking device |
-
2016
- 2016-12-30 CN CN201621488091.9U patent/CN206523625U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459721A (en) * | 2018-12-29 | 2019-03-12 | 珠海安瑞通电子科技有限公司 | A kind of multi-epitope electric energy error meter and high-voltage electric energy meter error testing system |
| CN109738846A (en) * | 2019-01-25 | 2019-05-10 | 杭州海兴电力科技股份有限公司 | A kind of correction method based on meter active self-correcting |
| CN109975740A (en) * | 2019-05-13 | 2019-07-05 | 广东省计量科学研究院（华南国家计量测试中心） | A kind of calibrating monitoring system of electric energy meter checking device |
| CN110109044A (en) * | 2019-05-13 | 2019-08-09 | 广东省计量科学研究院（华南国家计量测试中心） | A kind of in-line calibration system and method for electric energy meter checking device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Wang Yue Central Road Ji'nan City, Shandong province 250002 City No. 2000 Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co. Patentee after: EMH ENERGY MEASUREMENT TECHNOLOGY (BEIJING) Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: Wang Yue Central Road Ji'nan City, Shandong province 250002 City No. 2000 Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co. Patentee before: EMH ENERGY MEASUREMENT TECHNOLOGY (BEIJING) Co.,Ltd. Patentee before: State Grid Corporation of China |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210420 Address after: No. 150, Jinger Road, Daguanyuan, Shizhong District, Jinan City, Shandong Province Patentee after: Shandong Electric Power Marketing Center Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co. Patentee after: EMH ENERGY MEASUREMENT TECHNOLOGY (BEIJING) Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: Wang Yue Central Road Ji'nan City, Shandong province 250002 City No. 2000 Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co. Patentee before: EMH ENERGY MEASUREMENT TECHNOLOGY (BEIJING) Co.,Ltd. Patentee before: STATE GRID CORPORATION OF CHINA |
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