CN206040379U - Voltage transformer - Google Patents

Voltage transformer Download PDF

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Publication number
CN206040379U
CN206040379U CN201621028947.4U CN201621028947U CN206040379U CN 206040379 U CN206040379 U CN 206040379U CN 201621028947 U CN201621028947 U CN 201621028947U CN 206040379 U CN206040379 U CN 206040379U
Authority
CN
China
Prior art keywords
winding
paper
crimped paper
quasiconductor
voltage transformer
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.)
Expired - Fee Related
Application number
CN201621028947.4U
Other languages
Chinese (zh)
Inventor
马俊芳
张莉
陈彦君
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.)
China Xidian Group Limited
Original Assignee
Xian Electric Manufacturing Corp
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 Xian Electric Manufacturing Corp filed Critical Xian Electric Manufacturing Corp
Priority to CN201621028947.4U priority Critical patent/CN206040379U/en
Application granted granted Critical
Publication of CN206040379U publication Critical patent/CN206040379U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a voltage transformer, including the iron core wire winding, twine a plurality of secondary winding in the iron core wire winding, divide two sections coiling primary windings on secondary winding, all draw the inserts on every section primary winding one time, through varying the winding capacity to realizing four windings, large capacity requirement, adopting O sections core, effective cross -sectional area is big for its iron core, and the performance is high, and the excitation characteristic is good, and reaching excitation characteristic knee voltage, can to reach 2.5Um square root 3 unsaturated.

Description

A kind of voltage transformer
Technical field
This utility model belongs to field transformer, and in particular to a kind of voltage transformer.
Background technology
Voltage transformer is primarily used to power to measuring instrumentss and protective relaying device, for the voltage of measurement circuitry, Power and electric energy, or for the expensive equipment in the protection circuit in line failure, motor and transformator.Existing electricity Pressure transformer is mainly made up of primary winding, secondary coil, iron core and insulation.Existing voltage transformer excitation property flex point electricity Force down, it is impossible to meet specific demand.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, there is provided a kind of voltage transformer, using the teaching of the invention it is possible to provide Multiple coil, greatly The requirement of capacity, voltage transformer excitation knee voltage more than 2.5Um/ √ 3.
In order to achieve the above object, this utility model includes iron core winding, winds Secondary Winding (8) on iron core winding, It is divided to two sections of coiling first windings (9) in Secondary Winding (8), in every section of first winding, draws an inserts (11);It is described secondary When the class of accuracy of winding is 0.2, a diameter of 3.53mm;When class of accuracy is 0.5, a diameter of 2.5mm;When exact value is 3P, diameter For 1.45mm.
The window's position of the iron core winding includes annular core, is enclosed with insulation crimped paper, plain weave successively white on iron core Strap, quasiconductor crimped paper and Semen avenae nudae paper.
The insulation crimped paper, calico band and quasiconductor crimped paper are one layer, and Semen avenae nudae paper is three layers.
The insulation crimped paper, calico band and quasiconductor crimped paper are half lap encapsulating, and Semen avenae nudae paper adopts δ=2mm Semen avenae nudae paper.
Remaining position of the iron core winding includes annular core, is enclosed with yellow crimped paper, calico on iron core successively Band, quasiconductor crimped paper, copper sheet, quasiconductor crimped paper, silicane rubber plate and pyrocondensation belt.
The yellow crimped paper, calico band, copper sheet, silicane rubber plate and pyrocondensation belt are one layer, calico band and copper Quasiconductor crimped paper between skin is one layer, and the quasiconductor crimped paper between copper sheet and silicane rubber plate is two-layer.
The yellow crimped paper, calico band, quasiconductor crimped paper and pyrocondensation belt are half lap encapsulating, and silicane rubber plate is adopted The silicane rubber plate of δ=2mm, and 3/4 wrapping of periphery.
The coil starting point of the first winding is connected with electrostatic sheild.
Compared with prior art, this utility model is by winding Secondary Winding, dividing in Secondary Winding on iron core winding Two sections of coiling first windings, draw an inserts, convert the capacity of winding, when the standard of Secondary Winding in every section of first winding When really level is 0.2, a diameter of 3.53mm;When class of accuracy is 0.5, a diameter of 2.5mm;When exact value is 3P, a diameter of 1.45mm, From different class of accuracies correspondence different-diameter, so as to realize four windings, Large Copacity requirement, using O-shaped iron core, its iron core effectively cuts Face is big, and performance is high, and excitation property is good, and reaching excitation property knee voltage, to can reach 2.5Um/ √ 3 unsaturated.
Description of the drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is side view of the present utility model;
Schematic diagrams of the Fig. 3 for this utility model iron core winding;
Wherein, 1, iron core;2nd, insulate crimped paper;3rd, calico band 4, quasiconductor crimped paper;5th, copper sheet;6th, silicone rubber Plate;7th, shrink belt;8th, Secondary Winding;9th, first winding;10th, electrostatic sheild;11st, an inserts.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described further.
Referring to Fig. 1, Fig. 2 and Fig. 3, this utility model includes iron core winding, on iron core winding wind Secondary Winding (8), It is divided to two sections of coiling first windings (9) in Secondary Winding (8), in every section of first winding, draws an inserts (11), first winding 9 Coil starting point be connected with electrostatic sheild 10.
When the class of accuracy of the Secondary Winding 8 is 0.2, a diameter of 3.53mm;When class of accuracy is 0.5, a diameter of 2.5mm; When exact value is 3P, a diameter of 1.45mm.
The window's position of iron core winding includes annular core 1, is enclosed with insulation crimped paper 2, calico on iron core 1 successively Band 3, quasiconductor crimped paper 4 and Semen avenae nudae paper, insulation crimped paper 2, calico band 3 and quasiconductor crimped paper 4 are one layer, Semen avenae nudae Paper is three layers, and insulation crimped paper 2, calico band 3 and quasiconductor crimped paper 4 are half lap encapsulating, and Semen avenae nudae paper adopts δ=2mm Semen avenae nudae paper.
Iron core includes annular core 1 except remaining position of coiling, is enclosed with yellow crimped paper, calico on iron core 1 successively Band 3, quasiconductor crimped paper 4, copper sheet 5, quasiconductor crimped paper 4, silicane rubber plate 6 and pyrocondensation belt 7, yellow crimped paper, calico band 3rd, copper sheet 5, silicane rubber plate 6 and pyrocondensation belt 7 are one layer, and calico is one layer with the quasiconductor crimped paper 4 between 3 and copper sheet 5, Quasiconductor crimped paper 4 between copper sheet 5 and silicane rubber plate 6 is two-layer, and yellow crimped paper, calico are with 3,4 and of quasiconductor crimped paper Pyrocondensation belt 7 is half lap encapsulating, silicane rubber plate of the silicane rubber plate 6 using δ=2mm, and periphery 3/4 and wraps up.
It is unsaturated that excitation property knee voltage of the present utility model can reach 2.5Um/ √ 3, is capable of achieving four windings, Large Copacity Require.

Claims (8)

1. a kind of voltage transformer, it is characterised in that including iron core winding, winds Secondary Winding (8), secondary on iron core winding It is divided to two sections of coiling first windings (9) on winding (8), in every section of first winding, draws an inserts (11);The Secondary Winding (8) when class of accuracy is 0.2, a diameter of 3.53mm;When class of accuracy is 0.5, a diameter of 2.5mm;It is when exact value is 3P, a diameter of 1.45mm。
2. a kind of voltage transformer according to claim 1, it is characterised in that the window's position of the iron core winding, ferrum It is enclosed with insulation crimped paper (2), calico band (3), quasiconductor crimped paper (4) and Semen avenae nudae paper on core (1) successively.
3. a kind of voltage transformer according to claim 2, it is characterised in that insulation crimped paper (2), calico Band (3) and quasiconductor crimped paper (4) are one layer, and Semen avenae nudae paper is three layers.
4. a kind of voltage transformer according to claim 2, it is characterised in that insulation crimped paper (2), calico Band (3) and quasiconductor crimped paper (4) are half lap encapsulating, and Semen avenae nudae paper adopts δ=2mm Semen avenae nudae paper.
5. a kind of voltage transformer according to claim 1, it is characterised in that remaining position of the iron core winding, ferrum It is enclosed with yellow crimped paper, calico band (3), quasiconductor crimped paper (4), copper sheet (5), quasiconductor crimped paper on core (1) successively (4), silicane rubber plate (6) and pyrocondensation belt (7).
6. a kind of voltage transformer according to claim 5, it is characterised in that the yellow crimped paper, calico band (3), copper sheet (5), silicane rubber plate (6) and pyrocondensation belt (7) are one layer, the quasiconductor wrinkle between calico band (3) and copper sheet (5) Stricture of vagina paper (4) is one layer, and the quasiconductor crimped paper (4) between copper sheet (5) and silicane rubber plate (6) is two-layer.
7. a kind of voltage transformer according to claim 5, it is characterised in that the yellow crimped paper, calico band (3), quasiconductor crimped paper (4) and pyrocondensation belt (7) are half lap encapsulating, and silicane rubber plate (6) adopts the silicane rubber plate of δ=2mm, and Wrap up periphery 3/4.
8. a kind of voltage transformer according to claim 1, it is characterised in that the coil starting of first winding (9) Point is connected with electrostatic sheild (10).
CN201621028947.4U 2016-08-31 2016-08-31 Voltage transformer Expired - Fee Related CN206040379U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621028947.4U CN206040379U (en) 2016-08-31 2016-08-31 Voltage transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621028947.4U CN206040379U (en) 2016-08-31 2016-08-31 Voltage transformer

Publications (1)

Publication Number Publication Date
CN206040379U true CN206040379U (en) 2017-03-22

Family

ID=58297836

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621028947.4U Expired - Fee Related CN206040379U (en) 2016-08-31 2016-08-31 Voltage transformer

Country Status (1)

Country Link
CN (1) CN206040379U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107546016A (en) * 2017-10-13 2018-01-05 镇江市丹高电器有限公司 Device body inside a kind of semi-enclosed structure voltage transformer
CN107546018A (en) * 2017-10-13 2018-01-05 镇江市丹高电器有限公司 Device body inside a kind of voltage transformer of fusible core of three phase combined band

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107546016A (en) * 2017-10-13 2018-01-05 镇江市丹高电器有限公司 Device body inside a kind of semi-enclosed structure voltage transformer
CN107546018A (en) * 2017-10-13 2018-01-05 镇江市丹高电器有限公司 Device body inside a kind of voltage transformer of fusible core of three phase combined band
CN107546018B (en) * 2017-10-13 2023-09-29 镇江市丹高电器有限公司 Three-phase combined type voltage transformer internal body with primary melting core
CN107546016B (en) * 2017-10-13 2024-01-12 镇江市丹高电器有限公司 Semi-closed structure voltage transformer internal body

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address

Address after: No. 7, Tang Xing Road, Xi'an high tech Zone, Shaanxi Province

Patentee after: China Xidian Group Limited

Address before: No. 7, Tang Xing Road, Xi'an, Shaanxi Province

Patentee before: Xian Electric Manufacturing Corp.

CP03 Change of name, title or address
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170322

Termination date: 20180831

CF01 Termination of patent right due to non-payment of annual fee