CN109444804A - Electric energy meter calibration termination and system - Google Patents
Electric energy meter calibration termination and system Download PDFInfo
- Publication number
- CN109444804A CN109444804A CN201811606683.XA CN201811606683A CN109444804A CN 109444804 A CN109444804 A CN 109444804A CN 201811606683 A CN201811606683 A CN 201811606683A CN 109444804 A CN109444804 A CN 109444804A
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- China
- Prior art keywords
- energy meter
- electric energy
- electric current
- binding post
- electric
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Classifications
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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
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
Abstract
The embodiment of the present application provides a kind of electric energy meter calibration termination and system, passes through and setting contact pin wiring on first panel region and second panel region, side wall is arranged in the device panel of electric energy meter calibration termination is open.The multiple electric current binding post groups being set side by side are provided on first panel region, each electric current binding post group includes electric current positive terminal and electric current negative terminal.Multiple voltage link columns are provided on second panel region, automatic crimping device is used to contact pin wiring opening be crimped the contact pin of electric energy meter calibrating apparatus so that electric energy meter calibrating apparatus is electrically connected by contact pin and multiple electric current binding post groups and multiple voltage link columns.Multiple electric current binding post groups and multiple voltage link columns are electrically connected with tested electric energy meter respectively.Wiring stability is high using the above scheme, without frequently disconnecting line, greatly improves work efficiency and work quality, while also improving the security reliability of wiring process.
Description
Technical field
This application involves electric energy meter calibration technical fields, in particular to a kind of electric energy meter calibration termination and are
System.
Background technique
According to measurement Law, electric energy meter belongs to the electric energy metering device of the compulsory verification of rules and regulations, and examines and determine electric energy meter
Automatic assembly line calibrating installation also must be according to regulation relevant regulations, through examining with the legal metering validation activity of corresponding qualification
After qualification, corresponding electric energy meter calibration work can be carried out.
Currently, most automatic calibration of electric energy meter systems are all made of the pocket watch frame in horizontal operation face, pin type electric current
The spacing fixation of binding post is non-adjustable.When carrying out the measurement biography calibrating of equipment year to electric energy meter calibration wiring system, it is detected electric energy
Wiring between the electric current of table and electric energy meter calibrating apparatus, pressure-wire need to be connected using crocodile clip, and wiring process is cumbersome time-consuming, and
Crocodile clip wiring is easy to fall off, and is caused personnel to get an electric shock and is injured.In addition automatic assembly line epitope is more, and every one calibrating of calibrating is single
Member is both needed to carry out tested electric energy meter and electric energy meter calibrating apparatus rewiring, and this mode of connection greatly reduces work effect
Rate and work quality, security reliability are poor.
Summary of the invention
In order to overcome above-mentioned deficiency in the prior art, the application's is designed to provide a kind of electric energy meter calibration wiring dress
It sets and system, to solve or improve the above problem.
To achieve the goals above, the embodiment of the present application the technical solution adopted is as follows:
In a first aspect, the embodiment of the present application provides a kind of electric energy meter calibration termination, it is applied to electric energy meter calibration wiring
System, the electric energy meter calibration wiring system include electric energy meter calibrating apparatus, tested electric energy meter, multiple flow line trays and from
Dynamic pressure connection device, the electric energy meter calibration termination are arranged in each flow line tray, and the electric energy meter calibration connects
Line apparatus includes:
Pedestal；
The device panel being fixedly connected with the base is provided with first panel region and the second face on described device panel
Plate region is provided with contact pin wiring opening on the side wall of described device panel；
The multiple electric current binding post groups being set side by side, each electric current binding post are provided on the first panel region
Group includes an electric current positive terminal and an electric current negative terminal, is provided with multiple voltages on the second panel region
Binding post, the automatic crimping device are used to press the contact pin of the electric energy meter calibrating apparatus and contact pin wiring opening
It connects so that the electric energy meter calibrating apparatus passes through the contact pin and the multiple electric current binding post group and multiple voltage link columns electricity
Property connection；
The multiple electric current binding post group and the multiple voltage link column are electrically connected with the tested electric energy meter respectively；
The electric energy meter calibrating apparatus is for detecting the multiple electric current binding post group and the multiple voltage link column
Current information and information of voltage, the electric energy meter of the tested electric energy meter is obtained according to the current information and the information of voltage
Running state information, and the electric energy meter running state information is compared with standard electric energy meter running state information to obtain
Verification result.
In a kind of possible embodiment, the first panel region relative to the pedestal development length with it is described
Second panel region is different relative to the development length of the pedestal.
In a kind of possible embodiment, the voltage link column include A phase voltage binding post, B phase voltage binding post,
C phase voltage binding post and N phase voltage binding post.
In a kind of possible embodiment, the electric current positive terminal and the electric current negative terminal are respectively adopted
Different cylinder body shapes.
In a kind of possible embodiment, the electric current positive terminal and the electric current negative terminal are respectively coated
The coating of different colours.
In a kind of possible embodiment, the electric energy meter calibration termination further includes multiple fasteners and setting
Multiple fastener holes on the side wall of described device panel, the multiple fastener pass through the multiple fastener hole and the electric energy
Table calibrating installation is fixedly connected.
In a kind of possible embodiment, the electric energy meter calibration termination further includes for detecting each electricity
The current information of binding post group and each voltage link column is flowed, and access the current sample port of the electric energy meter calibrating apparatus
Split core type current transformer.
In a kind of possible embodiment, each electric current binding post group and each voltage link column by conducting wire with
The electric energy meter calibrating apparatus is electrically connected, for accessing the voltage sample port of the electric energy meter calibrating apparatus.
In a kind of possible embodiment, baffle is provided between two adjacent electric current binding post groups.
Second aspect, the embodiment of the present application also provide a kind of electric energy meter calibration wiring system, connect applied to electric energy meter calibration
Linear system system, the electric energy meter calibration wiring system include electric energy meter calibrating apparatus, tested electric energy meter, multiple flow line trays, from
Dynamic pressure connection device and above-mentioned electric energy meter calibration termination, the electric energy meter calibration termination are arranged in each stream
In waterline pallet, the electric energy meter calibration termination includes:
Pedestal；
The device panel being fixedly connected with the base is provided with first panel region and the second face on described device panel
Plate region is provided with contact pin wiring opening on the side wall of described device panel；
The multiple electric current binding post groups being set side by side, each electric current binding post are provided on the first panel region
Group includes an electric current positive terminal and an electric current negative terminal, is provided with multiple voltages on the second panel region
Binding post, the automatic crimping device are used to press the contact pin of the electric energy meter calibrating apparatus and contact pin wiring opening
It connects so that the electric energy meter calibrating apparatus passes through the contact pin and the multiple electric current binding post group and multiple voltage link columns electricity
Property connection；
The multiple electric current binding post group and the multiple voltage link column are electrically connected with the tested electric energy meter respectively；
The electric energy meter calibrating apparatus is for detecting the multiple electric current binding post group and the multiple voltage link column
Current information and information of voltage, the electric energy meter of the tested electric energy meter is obtained according to the current information and the information of voltage
Running state information, and the electric energy meter running state information is compared with standard electric energy meter running state information to obtain
Verification result.
In terms of existing technologies, the application has the advantages that
The embodiment of the present application provides a kind of electric energy meter calibration termination and system, by electric energy meter calibration termination
Device panel setting first panel region and second panel region, side wall on setting contact pin wiring be open.First panel region
On be provided with the multiple electric current binding post groups being set side by side, each electric current binding post group includes that electric current positive terminal and electric current are negative
Pole binding post.Multiple voltage link columns are provided on second panel region, automatic crimping device is used for electric energy meter calibrating apparatus
Contact pin and contact pin wiring opening crimped so that electric energy meter calibrating apparatus passes through contact pin and multiple electric current binding post groups and more
A voltage link column is electrically connected.Multiple electric current binding post groups and multiple voltage link columns electrically connect with tested electric energy meter respectively
It connects.Wiring stability is high using the above scheme, without frequently disconnecting line, greatly improves work efficiency and work quality, simultaneously
Also improve the security reliability of wiring process.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of positive structure schematic of electric energy meter calibration termination provided by the embodiments of the present application；
Fig. 2 is a kind of side structure schematic diagram of electric energy meter calibration termination provided by the embodiments of the present application；
Fig. 3 is another side structure schematic diagram of electric energy meter calibration termination provided by the embodiments of the present application；
Fig. 4 is the circuit theory schematic diagram of electric energy meter calibration termination；
Fig. 5 is another positive structure schematic of electric energy meter calibration termination provided by the embodiments of the present application.
Icon: 10- electric energy meter calibration termination；100- pedestal；200- device panel；210- first panel region；
220- electric current binding post；222- electric current positive terminal；224- electric current negative terminal；230- second panel region；240- electricity
Crimp terminal；250- contact pin wiring opening；260- baffle.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiment is some embodiments of the present application, instead of all the embodiments.Usually herein
The component of the embodiment of the present application described and illustrated in place's attached drawing can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's all other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile the application's
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
Referring to Fig. 1, a kind of Facad structure for electric energy meter calibration termination 10 provided by the embodiments of the present application is illustrated
Figure.In the present embodiment, which can be applied to electric energy meter calibration wiring system, the electric energy meter inspection
Determining wiring system includes electric energy meter calibrating apparatus, tested electric energy meter, multiple flow line trays and automatic crimping device, the electricity
Energy table calibrating termination 10 is arranged in each flow line tray.
In practical verification process, majority carries out electric energy meter calibration operation using horizontal mode, examines and determine according to scheduled year
Ability design requirement needs to examine and determine thousands of a electric energy meters.Be to guarantee electric energy meter to the accuracy of electrical energy measurement, need by
According to predetermined time period (such as in validity period of electric energy meter), with the electric energy meter calibrating apparatus of greater degree to lower than its accuracy
Lower level electric energy meter carry out accuracy verify work, to ensure the accurate metering of electric energy meter.
The technical issues of knowing such as aforementioned background art, at present in the automatic calibration system work to electric energy meter, because of electricity
Energy table calibrating installation is on assembly line, and quantity is more and needs frequently to disconnect line, and workload is significantly greatly increased.Level is fixed on simultaneously
The pin type connecting terminal wiring of electric energy meter calibrating apparatus in popular line is difficult, and safe and reliable property is poor.
To solve the above-mentioned problems, please in detail refering to fig. 1-Fig. 4, the electric energy meter calibration termination 10 may include pedestal
100 and the device panel 200 that is fixedly connected with the pedestal 100.Wherein, the first face is provided on described device panel 200
Plate region 210 and second panel region 230 are provided with contact pin wiring opening 250 on the side wall of described device panel 200.
In detail, the multiple electric current binding post groups being set side by side are provided on the first panel region 210, it is each described
Electric current binding post group includes an electric current positive terminal 222 and an electric current negative terminal 224, the second panel region
Be provided with multiple voltage link columns 240 on 230, the automatic crimping device be used for by the contact pin of the electric energy meter calibrating apparatus with
The contact pin wiring opening 250 is crimped so that the electric energy meter calibrating apparatus is connect by the contact pin and the multiple electric current
Terminal group and multiple voltage link columns 240 are electrically connected.
When implementing, the multiple electric current binding post group and the multiple voltage link column 240 respectively with the tested electricity
It can table electric connection.The electric energy meter calibrating apparatus is used to detect the multiple electric current binding post group and the multiple voltage connects
The current information and information of voltage of terminal 240 obtain the tested electric energy meter according to the current information and the information of voltage
Electric energy meter running state information, and the electric energy meter running state information is compared with standard electric energy meter running state information
To obtain verification result.
In this way, electric energy meter calibration termination 10 provided in this embodiment is filled electric energy meter calibration by automatic crimping device
It sets and is crimped in contact pin wiring opening 250, wiring stability is high, without frequently disconnecting line, field connection can be made convenient and efficient, disappeared
Except the security risk generated with conventional method wiring, shorten the calibrating time, greatly improve work efficiency and work quality, simultaneously
Also improve the security reliability of wiring process.
In this embodiment, above-mentioned multiple electric current binding post groups and the size design of multiple voltage link columns 240 can
To be designed according to the size of practical tested electric energy meter, the present embodiment is not intended to be limited in any this.
In a kind of possible embodiment, for the ease of more easily discriminating electric current binding post group and electricity in actually calibrating
Crimp terminal 240, development length and the second panel region of the first panel region 210 relative to the pedestal 100
The 230 development length difference relative to the pedestal 100.
In a kind of possible embodiment, the voltage link column 240 may include A phase voltage binding post 240, B phase
Voltage link column 240, C phase voltage binding post 240 and N phase voltage binding post 240.
In a kind of possible embodiment, for the ease of more easily discriminating electric current positive terminal in actually calibrating
222 and electric current negative terminal, the electric current positive terminal 222 and the electric current negative terminal 224 are respectively adopted different
Cylinder body shape.
For another example, in alternatively possible embodiment, for the ease of more easily discriminating electric current anode in actually calibrating
Binding post 222 and electric current negative terminal, the electric current positive terminal 222 and the electric current negative terminal 224 can also divide
Not Tu Fu different colours coating.
In a kind of possible embodiment, filled to further increase electric energy meter calibrating apparatus and electric energy meter calibration wiring
10 connection reliability is set, the electric energy meter calibration termination 10 can also include multiple fasteners and be arranged in the dress
Multiple fastener holes on the side wall of panel 200 are set, the multiple fastener passes through the multiple fastener hole and the electric energy meter is examined
Determine device to be fixedly connected.For example, the fastener can be used and screw, spiral shell using screw, screw etc., the fastener hole
Matched screw hole of silk etc..
In a kind of possible embodiment, the electric energy meter calibration termination 10 can also include described for detecting
The current information of each electric current binding post group and each voltage link column 240, and access the electric current of the electric energy meter calibrating apparatus
The split core type current transformer of sample port.Split core type current transformer is that no Primary Conductor and primary insulation, its magnetic circuit can be with
The mutual inductor that hinging manner is opened.Split core type current transformer current carrying conductor position correlation variation is small, and anti-interference ability is stronger, such as
It is connected to the power ammeter, ammeter, phase meter of high accuracy, just can be carried out more accurate on-site test, not only safety but also
Working efficiency can be improved.
In a kind of possible embodiment, each electric current binding post group and each voltage link column 240 can lead to
It crosses conducting wire and the electric energy meter calibrating apparatus is electrically connected, for accessing the voltage sample port of the electric energy meter calibrating apparatus.
In a kind of possible embodiment, further referring to Fig. 5, may be used also between two adjacent electric current binding post groups
To be provided with baffle 260, to avoid in actually calibrating by the electric current positive terminal 222 and electricity in different electric current binding post groups
It flows negative terminal 224 to connect, calibrating is caused to malfunction.
Further, the embodiment of the present application also provides a kind of electric energy meter calibration wiring system, including electric energy meter calibrating apparatus,
Tested electric energy meter, multiple flow line trays, automatic crimping device and above-mentioned electric energy meter calibration termination 10, the electric energy
Table is examined and determine termination 10 and is arranged in each flow line tray, and the electric energy meter calibration termination 10 includes pedestal
100, the device panel 200 being fixedly connected with the pedestal 100 is provided with first panel region 210 on described device panel 200
With second panel region 230, contact pin wiring opening 250 is provided on the side wall of described device panel 200.The first panel area
The multiple electric current binding post groups being set side by side are provided on domain 210, each electric current binding post group includes an electric current anode
Binding post 222 and an electric current negative terminal 224 are provided with multiple voltage link columns on the second panel region 230
240, the automatic crimping device is used to press the contact pin of the electric energy meter calibrating apparatus and contact pin wiring opening 250
It connects so that the electric energy meter calibrating apparatus passes through the contact pin and the multiple electric current binding post group and multiple voltage link columns 240
It is electrically connected.The multiple electric current binding post group and the multiple voltage link column 240 are electrical with the tested electric energy meter respectively
Connection.The electric energy meter calibrating apparatus is for detecting the multiple electric current binding post group and the multiple voltage link column 240
Current information and information of voltage, the electric energy meter of the tested electric energy meter is obtained according to the current information and the information of voltage
Running state information, and the electric energy meter running state information is compared with standard electric energy meter running state information to obtain
Verification result.
In conclusion the embodiment of the present application provides a kind of electric energy meter calibration termination and system, by examining in electric energy meter
Determine setting contact pin wiring on the device panel setting first panel region and second panel region, side wall of termination to be open.The
The multiple electric current binding post groups being set side by side are provided on one panel zone, each electric current binding post group includes electric current positive terminal
Column and electric current negative terminal.Multiple voltage link columns are provided on second panel region, automatic crimping device is used for electric energy
The contact pin of table calibrating installation is crimped with contact pin wiring opening so that electric energy meter calibrating apparatus is connect by contact pin and multiple electric currents
Terminal group and multiple voltage link columns are electrically connected.Multiple electric current binding post groups and multiple voltage link columns respectively with tested electric energy
Table is electrically connected.Wiring stability is high using the above scheme, without frequently disconnecting line, greatly improves work efficiency and as received basis
Amount, while also improving the security reliability of wiring process.
It should be noted that, in this document, term " including ", " including " or its any other variant are intended to non-row
Its property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include the other elements being not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence " including one ... ", it is not excluded that including institute
State in the process, method, article or equipment of element that there is also other identical elements.
It is obvious to a person skilled in the art that the application is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case where without departing substantially from spirit herein or essential characteristic, the application can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and scope of the present application is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included in the application.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of electric energy meter calibration termination, which is characterized in that be applied to electric energy meter calibration wiring system, the electric energy meter inspection
Determining wiring system includes electric energy meter calibrating apparatus, tested electric energy meter, multiple flow line trays and automatic crimping device, the electricity
Energy table calibrating termination is arranged in each flow line tray, and the electric energy meter calibration termination includes:
Pedestal；
The device panel being fixedly connected with the base is provided with first panel region and second panel area on described device panel
Domain is provided with contact pin wiring opening on the side wall of described device panel；
The multiple electric current binding post groups being set side by side, each electric current binding post group packet are provided on the first panel region
An electric current positive terminal and an electric current negative terminal are included, is provided with multiple voltage links on the second panel region
Column, the automatic crimping device be used to for the contact pin of the electric energy meter calibrating apparatus and the contact pin wiring being open crimp with
Connect the electric energy meter calibrating apparatus electrically by the contact pin and the multiple electric current binding post group and multiple voltage link columns
It connects；
The multiple electric current binding post group and the multiple voltage link column are electrically connected with the tested electric energy meter respectively；
The electric energy meter calibrating apparatus is used to detect the electricity of the multiple electric current binding post group and the multiple voltage link column
Stream information and information of voltage are run according to the electric energy meter that the current information and the information of voltage obtain the tested electric energy meter
Status information, and the electric energy meter running state information is compared with standard electric energy meter running state information to be examined and determine
As a result.
2. electric energy meter calibration termination according to claim 1, which is characterized in that the first panel region relative to
The development length of the pedestal is different relative to the development length of the pedestal from the second panel region.
3. electric energy meter calibration termination according to claim 1, which is characterized in that the voltage link column includes A phase
Voltage link column, B phase voltage binding post, C phase voltage binding post and N phase voltage binding post.
4. electric energy meter calibration termination according to claim 1, which is characterized in that the electric current positive terminal and institute
It states electric current negative terminal and different cylinder body shapes is respectively adopted.
5. electric energy meter calibration termination according to claim 1, which is characterized in that the electric current positive terminal and institute
State the coating that different colours are respectively coated in electric current negative terminal.
6. electric energy meter calibration termination according to claim 1, which is characterized in that the electric energy meter calibration termination
The multiple fastener holes for further including multiple fasteners and being arranged on the side wall of described device panel, the multiple fastener pass through
The multiple fastener hole is fixedly connected with the electric energy meter calibrating apparatus.
7. electric energy meter calibration termination according to claim 1, which is characterized in that the electric energy meter calibration termination
Further include the current information for detecting each electric current binding post group and each voltage link column, and accesses the electric energy meter
The split core type current transformer of the current sample port of calibrating installation.
8. electric energy meter calibration termination according to claim 1, which is characterized in that each electric current binding post group and
Each voltage link column is electrically connected by conducting wire and the electric energy meter calibrating apparatus, for accessing the electric energy meter calibrating apparatus
Voltage sample port.
9. electric energy meter calibration termination according to claim 1, which is characterized in that two adjacent electric current binding post groups
Between be provided with baffle.
10. a kind of electric energy meter calibration wiring system, which is characterized in that the electric energy meter calibration wiring system includes electric energy meter calibration
Electricity described in any one of device, tested electric energy meter, multiple flow line trays, automatic crimping device and claim 1-9
Energy table examines and determine termination, and the electric energy meter calibration termination is arranged in each flow line tray, the electric energy meter
Examining and determine termination includes:
Pedestal；
The device panel being fixedly connected with the base is provided with first panel region and second panel area on described device panel
Domain is provided with contact pin wiring opening on the side wall of described device panel；
The multiple electric current binding post groups being set side by side, each electric current binding post group packet are provided on the first panel region
An electric current positive terminal and an electric current negative terminal are included, is provided with multiple voltage links on the second panel region
Column, the automatic crimping device be used to for the contact pin of the electric energy meter calibrating apparatus and the contact pin wiring being open crimp with
Connect the electric energy meter calibrating apparatus electrically by the contact pin and the multiple electric current binding post group and multiple voltage link columns
It connects；
The multiple electric current binding post group and the multiple voltage link column are electrically connected with the tested electric energy meter respectively；
The electric energy meter calibrating apparatus is used to detect the electricity of the multiple electric current binding post group and the multiple voltage link column
Stream information and information of voltage are run according to the electric energy meter that the current information and the information of voltage obtain the tested electric energy meter
Status information, and the electric energy meter running state information is compared with standard electric energy meter running state information to be examined and determine
As a result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606683.XA CN109444804A (en) | 2018-12-27 | 2018-12-27 | Electric energy meter calibration termination and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606683.XA CN109444804A (en) | 2018-12-27 | 2018-12-27 | Electric energy meter calibration termination and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109444804A true CN109444804A (en) | 2019-03-08 |
Family
ID=65538033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811606683.XA Pending CN109444804A (en) | 2018-12-27 | 2018-12-27 | Electric energy meter calibration termination and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109444804A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763884A (en) * | 2019-11-26 | 2020-02-07 | 云南电网有限责任公司临沧供电局 | Method for rapidly plugging and unplugging on-load replacement metering device |
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