CN107167641A - A kind of portable section metering device - Google Patents

A kind of portable section metering device Download PDF

Info

Publication number
CN107167641A
CN107167641A CN201710432766.0A CN201710432766A CN107167641A CN 107167641 A CN107167641 A CN 107167641A CN 201710432766 A CN201710432766 A CN 201710432766A CN 107167641 A CN107167641 A CN 107167641A
Authority
CN
China
Prior art keywords
anchor ear
electric energy
energy meter
terminals
metering device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710432766.0A
Other languages
Chinese (zh)
Inventor
司亚东
刘士伟
郭鸷
李冉
王浩达
姜艳
刘凤珍
李双利
孙晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Liaoning Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201710432766.0A priority Critical patent/CN107167641A/en
Publication of CN107167641A publication Critical patent/CN107167641A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02Constructional details

Abstract

A kind of portable section metering device, including open type current transformer, insulated electro folder, electric energy meter, open type current transformer and insulated electro folder connect electric energy meter respectively;One end of the secondary winding wound on the secondary iron core of open type current transformer picks out three terminals respectively provided with a terminals, other end three groups of winding numbers of turn of correspondence;The current detecting access port of three gears on three terminals correspondence connection electric energy meters, the electricity box of the electric energy meter are fixed on electric pole by gripping mechanism.Compared with prior art, the beneficial effects of the invention are as follows:The invention provides a kind of portable section metering device, the collection of multigroup gear current information can be realized, suitable for the power load of different capabilities, the amplification ratio of different gears is selected for different current acquisition values, measurement accuracy is high, have a wide range of application, while the installation and removal of its electric energy metering box and transformer are all very convenient, be easy to the implementation of work high above the ground.

Description

A kind of portable section metering device
Technical field
The present invention relates to power supply information metering acquisition technique, a kind of portable section metering device is especially designed.
Background technology
Simply pacify at transformer the low-voltage platform area that current Guo Wang companies are being promoted in the work of the line loss same period, firm-wide One piece of table of merit rating is filled, table of merit rating is not installed in the delivery to measure whole transformer, branch outlet.Damage in low-voltage platform area Disalignment, unknown cause has accounted for 26.5%, and it, which is different from other reasonses, can formulate measures to rectify and reform, therefore is badly in need of developing a kind of Portable metering device examines sectionalized line delivery, to find out the true cause of loss.The line loss of cooperation company is same Phase building-up work.
The patent document of Application No. 2015208453847 discloses a kind of easy assembling type active energy metering device, passes through Open-core transformer gathers current information, and insulated electro folder collection voltages information, these information transmissions give three-phase and four-line electric energy meter.Electricity consumption User's electricity under the electricity and sectionalized line of energy meter amount is compared, and can find the true cause of loss.But in the patent Open-core transformer can only realize an electric current than multiplication factor, can only be directed to a kind of collection of current information, for other Electric current can not then ensure measurement accuracy, so there is limitation using upper.
The content of the invention
It is an object of the invention to provide a kind of portable section metering device, it is possible to achieve multigroup gear current information is adopted Collection, the no-load voltage ratio of different gears is selected for different current acquisition values, and measurement accuracy is high, has a wide range of application, while its electric energy meter The installation and removal of case are all very convenient, are easy to the implementation of work high above the ground.
In order to achieve the above object, the present invention is realized using following technical scheme:
A kind of portable section metering device, including open type current transformer, insulated electro folder, electric energy meter, open type electric current Transformer and insulated electro folder connect electric energy meter respectively;The secondary winding wound on the secondary iron core of open type current transformer One end picks out three terminals respectively provided with a terminals, other end three groups of winding numbers of turn of correspondence;Three terminals correspondences The current detecting access port of three gears on electric energy meter is connected, the electricity box of the electric energy meter are fixed on electric pole by gripping mechanism On.
The gripping mechanism includes anchor ear A, anchor ear B, shell fragment, bolt, and anchor ear A and anchor ear B one end is hinged, other end difference Provided with otic placode, two otic placodes are bolted when anchor ear A is mutually fastened with anchor ear B, are distinguished in anchor ear A and anchor ear B inner side Shell fragment is installed, one end of shell fragment is fixedly connected with anchor ear A or anchor ear B, the electricity box of electric energy meter are fixed with anchor ear A or anchor ear B to be connected Connect.
Three groups of turn ratios of the secondary winding corresponding to three described terminals are respectively 5/20,5/40,5/80.
Compared with prior art, the beneficial effects of the invention are as follows:
The invention provides a kind of portable section metering device, it is possible to achieve the collection of multigroup gear current information, is applicable In the power load of different capabilities, the amplification ratio of different gears is selected for different current acquisition values, measurement accuracy is high, application Scope is wide, while the installation and removal of its electric energy metering box and transformer are all very convenient, is easy to the implementation of work high above the ground.
Brief description of the drawings
Fig. 1 is a kind of overall installation schematic diagram of portable section metering device of the present invention.
Fig. 2 is the structural representation of split shed formula current transformer of the present invention.
Fig. 3 is schematic diagram when electric energy metering box is installed.
Fig. 4 is schematic diagram when gripping mechanism is opened.
In figure:1- electric energy meters, 2- anchor ear A, 3- anchor ear B, 4- shell fragment, 5- electric poles, 6- bolts, 7- otic placodes, bis- iron cores of 8-, 9- secondary windings, 10- open type current transformers, 11- insulated electros folder, 12- electric wires, iron core of 13-.
Embodiment
The embodiment to the present invention is described further below in conjunction with the accompanying drawings:
See Fig. 1-Fig. 4, a kind of portable section metering device, including open type current transformer 10, insulated electro folder 11, electric energy Table 1, open type current transformer 10 and insulated electro folder 11 connect electric energy meter 1 respectively;The open type current transformer 10 2 times One end of the secondary winding 9 wound on iron core 8 is picked out respectively provided with a terminals S1, other end three groups of winding numbers of turn of correspondence Three terminals S2, S3, S4;The current detecting of three gears on three terminals S2, S3, S4 correspondence connection electric energy meters 1 connects Entrance, the electricity box of the electric energy meter 1 are fixed on electric pole 5 by gripping mechanism.
The gripping mechanism 5 includes anchor ear A2, anchor ear B3, shell fragment 4, bolt 6, and anchor ear A2 and anchor ear B3 one end is hinged, separately One end is respectively equipped with otic placode 7, and two otic placodes 7 are connected by bolt 6 when anchor ear A2 is mutually fastened with anchor ear B3, in anchor ear A2 with embracing Hoop B3 on the inside of be separately installed with shell fragment 4, one end of shell fragment 4 is fixedly connected with anchor ear A2 or anchor ear B3, the electricity box of electric energy meter 1 and Anchor ear A2 or anchor ear B3 are fixedly connected.
Three groups of turn ratios of the secondary winding 9 corresponding to three described terminals are respectively S1, S2:5/20、S1、S3: 5/40、S1、S4:5/80, the electric current ratio respectively 20/5,40/5,80/5 of correspondence input electric energy meter 1.According to actual measurement demand Collection and calculating of the selection collection electric current than carrying out current signal on electric energy meter.Realize low voltage electric energy measure device composition error Real load measurement, improve measurement accuracy.
During installation, open type current transformer 10 and insulated electro folder 11 are separately mounted on electric wire 12 to be measured, by anchor ear A2 Close and be buckled on electric pole 5 with anchor ear B3, be designed with screwed hole on two otic placodes 7, tightened by bolt 6, pass through anchor ear A2 and anchor ear Shell fragment 4 inside B3 clamps electric pole and fixes the electricity box of electric energy meter 1.
The present invention is provided with multiple arcs shell fragment 3 in anchor ear A2 and anchor ear B3, gripping mechanism within the specific limits can Suitable for the electric pole 5 of multiple diameter, installing/dismounting is all very convenient, using flexible, coordinates open type electric current of the present invention Transformer 10, makes a kind of application of portable section metering device of the present invention more extensive, measures more accurate.

Claims (3)

1. a kind of portable section metering device, including open type current transformer, insulated electro folder, electric energy meter, open type electric current are mutual Sensor and insulated electro folder connect electric energy meter respectively;Characterized in that, wound on the secondary iron core of open type current transformer One end of secondary winding picks out three terminals respectively provided with a terminals, other end three groups of winding numbers of turn of correspondence;Three The current detecting access port of three gears on terminals correspondence connection electric energy meter, the electricity box of the electric energy meter pass through gripping mechanism It is fixed on electric pole.
2. a kind of portable section metering device according to claim 1, it is characterised in that the gripping mechanism includes anchor ear A, anchor ear B, shell fragment, bolt, anchor ear A and anchor ear B one end are hinged, and the other end is respectively equipped with otic placode, and anchor ear A is mutually detained with anchor ear B Two otic placodes are bolted during conjunction, and shell fragment, one end and the anchor ear A of shell fragment are separately installed with the inside of anchor ear A and anchor ear B Or anchor ear B is fixedly connected, the electricity box of electric energy meter are fixedly connected with anchor ear A or anchor ear B.
3. a kind of portable section metering device according to claim 1, it is characterised in that described three terminals institute is right Three groups of turn ratios of the secondary winding answered are respectively 5/20,5/40,5/80.
CN201710432766.0A 2017-06-09 2017-06-09 A kind of portable section metering device Pending CN107167641A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710432766.0A CN107167641A (en) 2017-06-09 2017-06-09 A kind of portable section metering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710432766.0A CN107167641A (en) 2017-06-09 2017-06-09 A kind of portable section metering device

Publications (1)

Publication Number Publication Date
CN107167641A true CN107167641A (en) 2017-09-15

Family

ID=59825043

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710432766.0A Pending CN107167641A (en) 2017-06-09 2017-06-09 A kind of portable section metering device

Country Status (1)

Country Link
CN (1) CN107167641A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110137885A (en) * 2019-06-04 2019-08-16 山东厚俞实业有限公司 A kind of self-adapting type cable anchor ear
CN111141935A (en) * 2020-01-06 2020-05-12 国网浙江桐乡市供电有限公司 Universal hoop device for metering box on rod

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110137885A (en) * 2019-06-04 2019-08-16 山东厚俞实业有限公司 A kind of self-adapting type cable anchor ear
CN111141935A (en) * 2020-01-06 2020-05-12 国网浙江桐乡市供电有限公司 Universal hoop device for metering box on rod

Similar Documents

Publication Publication Date Title
CN101271129B (en) Sensor type high tension electricity energy gauging method
CN102360857B (en) Integrated network distributing transformer with error compensating mutual inductor
EP2856182A1 (en) System, method and device for providing a stable power source without the use of direct connection to an ac or dc source
CN107167641A (en) A kind of portable section metering device
CN106443561A (en) Overall inspection method and apparatus for electric energy metering devices of 35kV or below
CN202189670U (en) Combined current converter
CN102608414B (en) Embedded electric energy measuring method and application extension method of high voltage electrical switchgear
CN102739066B (en) Inductive current-to-voltage converter and method for measuring high frequency current
CN204945228U (en) A kind of alternating current sampling apparatus
CN106653339B (en) Current transformer
CN206773033U (en) A kind of portable section metering device
CN201263094Y (en) Source-fetching device for I/P current
CN203551621U (en) High-voltage dry-type metering box with three-phase four-wire system
CN204441079U (en) A kind of novel measurement power taking Current Transformer
CN205039053U (en) High accuracy zero sequence protection integral type current transformer
CN106443154A (en) Current and voltage ratio transformation and sampling device
CN202494723U (en) Embedded high-voltage electrical energy metering switch
CN209841950U (en) Depth fusion current sensor
CN202770874U (en) High-voltage dry-type composite transformation ratio automatic conversion metering box
CN201016997Y (en) Sensor type high-voltage electrical energy meter
CN202142406U (en) Integrated network distribution transformer having error compensation mutual inductor
CN201673778U (en) Multifunctional testing transformer
JP3104355U (en) Transformer loss measuring device
CN206312746U (en) Current transformer
CN102394168B (en) End screen differential digital output transformer

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170915