CN108511166A - A kind of attachment device for detecting deformation of transformer winding - Google Patents
A kind of attachment device for detecting deformation of transformer winding Download PDFInfo
- Publication number
- CN108511166A CN108511166A CN201810261039.7A CN201810261039A CN108511166A CN 108511166 A CN108511166 A CN 108511166A CN 201810261039 A CN201810261039 A CN 201810261039A CN 108511166 A CN108511166 A CN 108511166A
- Authority
- CN
- China
- Prior art keywords
- pressure ring
- detection
- ring plate
- trepanning
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/16—Fastening of connecting parts to base or case; Insulating connecting parts from base or case
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/223—Insulating enclosures for terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The present invention relates to a kind of attachment devices for detecting deformation of transformer winding, including：Insulator pressure ring plate with trepanning and mounting hole, the conveying cover plate with trepanning and welding screw rod, insulated porcelain sleeve, detection copper bar, detection leader cable, insulated porcelain sleeve passes through the trepanning on conveying cover plate, weld bolt on conveying cover plate is fastened after passing through the mounting hole on insulator pressure ring plate with nut, detection copper bar from insulator pressure ring plate trepanning and insulated porcelain sleeve in pass through and respectively stretch out a part in the upper end of the lower end of insulated porcelain sleeve and insulator pressure ring plate；One end of detection leader cable is connect with the copperhead or copper busbar respectively mutually drawn from transformer, the other end is connect with the lower end of detection copper bar.The case where transformer can easily be connected by the present invention with detection device, the real-time deformation of transformer winding detected in transport；Simple in structure, low-profile, convenient disassembly is easy to operate, can repeatedly use, economical and practical.
Description
Technical field
The invention belongs to transformer technology fields, and in particular to a kind of connection dress for detecting deformation of transformer winding
It sets.
Background technology
With the extension of EPC and complete sets of equipment business, the international business of transformer supply of material outlet gradually increases, to transformation
While device quality requirement is promoted, to transformer transporting process safe and reliable, higher requirements are also raised.
Transformer is in transport, in moving process, since far away, road conditions are complicated, inevitably by external force because
Element or physical impacts cause transformer winding that may lose stabilization if there are mass defects for the fixation of device body inside transformer body
Property, lead to the permanent deformation phenomenon such as coil displacement, bird caging, bulge；After winding deformation, Insulation Test and the detection of oil examination
It tests and is all difficult to find, form Hidden fault.Therefore, to ensure that transformer safety is reliably run, in entire transformer transporting
The detection for carrying out winding deformation in real time in the process is particularly important.In view of problem above, increase detection dress in real time on the transformer
It sets, to judge winding displacement and deformation in time, avoids the occurrence of the failures such as inside transformer device body displacement, it is ensured that transformation
Device safe transportation and safe operation.
Invention content
In order to solve the above technical problems, the present invention provides a kind of attachment device for detecting deformation of transformer winding,
During transformer transporting under the premise of not influencing transformer body travel position, can it is simple and direct, rapidly joint test is set
It is standby, carry out winding deformation detect in real time, detect the transformer winding waveform of real-time status, by with manufacture when winding wave
Shape compares, and to judge the state of transformer winding, ensures the safe and reliable of transformer transporting, long especially suitable for transformer
When distance is transported, especially road conditions are complicated or abroad transport, in real time the case where detection deformation of transformer winding.Institute of the present invention
The technical solution of use is as follows：
A kind of attachment device for detecting deformation of transformer winding, including：Insulator pressure ring with trepanning and mounting hole
Plate, the conveying cover plate with trepanning and welding screw rod, insulated porcelain sleeve, detection copper bar, detection leader cable, insulator pressure ring plate
The position for welding screw rod of trepanning mounting hole and conveying cover plate corresponding with the position of opening of conveying cover plate, insulator pressure ring plate
Corresponding, the insulated porcelain sleeve passes through the trepanning on conveying cover plate, and insulator pressure ring plate, conveying cover plate are placed on insulated porcelain sleeve
On weld bolt pass through the mounting hole on insulator pressure ring plate after fastened with nut, the length of the described detection copper bar is more than institute
The insulated porcelain sleeve stated, detection copper bar from insulator pressure ring plate trepanning and insulated porcelain sleeve in pass through and in the lower end of insulated porcelain sleeve
A part is respectively stretched out with the upper end of insulator pressure ring plate；One end of the detection leader cable with respectively mutually drawn from transformer
Copperhead or copper busbar connection, the other end are connect with the lower end of detection copper bar.
One end of leader cable will be detected and the copperhead from each phase winding extraction of transformer or copper busbar are tight by bolt
It is solidly connected, the other end for detecting leader cable and detection copper bar is fastenedly connected, organize integral test access.It is transporting
When carrying out deformation of transformer winding test in real time in the process, the wiring of test equipment is connected in the upper end of detection copper bar i.e.
It is the case where being detected, can very easily detecting the deformation of transformer winding in transport in real time, convenient, succinct.
Preferably, the attachment device for detecting deformation of transformer winding further includes sealing and dustproof cover, sealing and dustproof cover peace
Mounted in the outside of attachment device, sealing and dustproof cover is connect with insulator pressure ring plate card type.If carrying out deformation of transformer winding test,
Sealing and dustproof cover is disassembled first, and the upper end that the wiring of test equipment is connected in detection copper bar is i.e. detectable；Test is completed
Afterwards, sealing and dustproof cover is reassembled in attachment device, to ensure that the detection copper bar of attachment device is not exposed in air, protection
Insulated porcelain sleeve and internal copper bar.
Preferably, the insulated porcelain sleeve is provided with seal groove and special sealing ring.First by detection insulated porcelain sleeve
Special sealing ring is positioned at the seal groove of insulated porcelain sleeve, and insulated porcelain sleeve is made to flow slowly over the trepanning of special transport cover board, to keep away
It is impaired to exempt from insulated porcelain sleeve.
Preferably, the detection copper bar lower end is provided with a pair of of locking nut, will detect the terminals of leader cable
Son is connect with the locking nut of detection copper bar, keeps detection copper bar and the connection of detection leader cable more convenient and secured.
Preferably, the detection leader cable includes connection cables and the first wiring positioned at connection cables both ends
Terminal, the second connecting terminal.By the first connecting terminal for detecting leader cable and the copperhead drawn from each phase winding or wiring copper
Row is bolted connection, and the second connecting terminal for detecting leader cable and detection copper bar lower end are fastenedly connected, it is ensured that
Detection leader cable is reliably connected.
Beneficial effects of the present invention：
1) easily transformer can be connected with detection device by this attachment device, in real time detection transport
In deformation of transformer winding the case where.
2) this attachment device is simple in structure, low-profile, and the transport of transformer body is not interfered with after installation.
3) installation of this attachment device and convenient disassembly, it is easy to operate, internal structure is not influenced, can be pacified at any time when in use
Dress or dismounting, can repeatedly use.
4) this attachment device is succinctly reliable, and economy is high, is conducive to transformer cost control.
Description of the drawings
Fig. 1 is the structural schematic diagram of attachment device；
Fig. 2 is the structural schematic diagram for detecting leader cable.
In figure, 1- sealing and dustproof covers, 2- insulator pressure ring plates, 3- conveying cover plates, 4- insulated porcelain sleeves, 5- detection copper
Bar, 6- locking nuts, 7- case lid bushing lifting seat flanges, 8- connection cables, the first connecting terminals of 9-, 9 '-the second connect
Line terminals.
Specific implementation mode
Below in conjunction with the accompanying drawings, embodiments of the present invention are illustrated.
As shown in Figure 1, being the structural schematic diagram of the present invention.Before transformer transporting, first in transformer primary case lid set
Pipe increases installation and transportation cover board 3 on seat flange 7, and trepanning and weld bolt are carried on conveying cover plate 3.Conveying cover plate 3 and case lid set
Pipe increases and places sealing ring among seat flange 7, then that conveying cover plate 3 and case lid bushing lifting seat flange 7 is tight by bolt
Gu.Insulated porcelain sleeve 4 is installed in trepanning across conveying cover plate 3, is fixed to insulated porcelain sleeve 4 by insulator pressure ring plate 2.Insulator pressure ring
Trepanning and mounting hole are carried on plate 2, the weld bolt on conveying cover plate 3 pass through the mounting hole on insulator pressure ring plate 2 after, uniformly
It is firmly fastened by nut, to make insulated porcelain sleeve 4 be fixed on conveying cover plate 3.Insulated porcelain sleeve 4 be provided with seal groove and specially
Use sealing ring.Sealing and dustproof cover 1 is mounted on the outside of attachment device, and sealing and dustproof cover 1 is connect with 2 cassette of insulator pressure ring plate.
Allow detection copper bar 5 from insulator pressure ring plate 2 trepanning and insulated porcelain sleeve 4 in pass through and under insulated porcelain sleeve 4
A part is respectively stretched out in end and the upper end of insulator pressure ring plate 2.Then go out copperhead or copper busbar in each coupling of transformer, be connected to
The first connecting terminal 9 for detecting leader cable, the second connecting terminal 9 ' for detecting leader cable and the detection in insulated porcelain sleeve 4
The connection of a pair of of locking nut 6, the fastening of the lower end of copper bar 5, to ensure to detect being reliably connected for leader cable.
As shown in Fig. 2, being the structural schematic diagram for detecting leader cable, the detection leader cable includes connection cables 8
With the first connecting terminal 9, the second connecting terminal 9 ' positioned at 8 both ends of connection cables.
When carrying out deformation of transformer winding real-time testing during transporting transformer, sealing and dustproof is disassembled first
Cover 1, the upper end that the wiring of test equipment is connected in the detection copper bar 5 in insulated porcelain sleeve 4 can be examined in real time
It surveys, to judge winding displacement and deformation in time, avoids the occurrence of the failures such as inside transformer device body displacement, it is ensured that transformation
Device safe transportation and safe operation.
Claims (5)
1. a kind of attachment device for detecting deformation of transformer winding, which is characterized in that including：With trepanning and mounting hole
Insulator pressure ring plate (2), the conveying cover plate (3) with trepanning and welding screw rod, insulated porcelain sleeve (4), detection copper bar (5), detection are drawn
The trepanning of line cable, insulator pressure ring plate (2) is corresponding with the position of opening of conveying cover plate (3), the mounting hole of insulator pressure ring plate (2)
Corresponding with the welding position of screw rod of conveying cover plate (3), the insulated porcelain sleeve (4) passes through the trepanning on conveying cover plate (3),
Insulator pressure ring plate (2) is placed on insulated porcelain sleeve (4), the weld bolt on conveying cover plate (3) passes through consolidating on insulator pressure ring plate (2)
Determine the fastening of Kong Houyong nuts, detection copper bar (5) from insulator pressure ring plate (2) trepanning and insulated porcelain sleeve (4) in pass through and exhausted
A part is respectively stretched out in the lower end of edge insulator (4) and the upper end of insulator pressure ring plate (2)；One end of the described detection leader cable with from
The copperhead or copper busbar that transformer is respectively mutually drawn connect, the other end is connect with the lower end of detection copper bar (5).
2. a kind of attachment device for detecting deformation of transformer winding according to claim 1, which is characterized in that also wrap
Sealing and dustproof cover (1) is included, sealing and dustproof cover (1) is connect with insulator pressure ring plate (2) cassette.
3. a kind of attachment device for detecting deformation of transformer winding according to claim 2, which is characterized in that described
Insulated porcelain sleeve (4) be provided with seal groove and special sealing ring.
4. a kind of attachment device for detecting deformation of transformer winding according to claim 3, which is characterized in that described
Detection copper bar (5) lower end be provided with a pair of of locking nut (6).
5. according to a kind of attachment device for detecting deformation of transformer winding of claim 1-4 any one of them, feature
It is, the detection leader cable includes connection cables (8) and the first connecting terminal positioned at connection cables (8) both ends
(9), the second connecting terminal (9 ').
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261039.7A CN108511166B (en) | 2018-03-27 | 2018-03-27 | Connecting device for detecting deformation of transformer winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261039.7A CN108511166B (en) | 2018-03-27 | 2018-03-27 | Connecting device for detecting deformation of transformer winding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108511166A true CN108511166A (en) | 2018-09-07 |
| CN108511166B CN108511166B (en) | 2020-06-19 |
Family
ID=63378800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810261039.7A Active CN108511166B (en) | 2018-03-27 | 2018-03-27 | Connecting device for detecting deformation of transformer winding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108511166B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61117809A (en) * | 1984-11-14 | 1986-06-05 | Hitachi Ltd | Device for supporting transformer lead wire |
| JPH07280839A (en) * | 1994-04-06 | 1995-10-27 | Yazaki Corp | Movement for cross-coil type instrument and manufacture thereof |
| CN101701995A (en) * | 2009-11-12 | 2010-05-05 | 重庆大学 | Impulse response analytical test apparatus and method for detecting deformation of transformer winding |
| CN202189642U (en) * | 2011-09-05 | 2012-04-11 | 南京智达电气有限公司 | Pure porcelain sleeve for distribution transformer |
| CN102707103A (en) * | 2012-05-10 | 2012-10-03 | 广东电网公司电力科学研究院 | Deformation test lead wire of anti-interference type transformer winding and testing device formed by same |
| CN203871156U (en) * | 2014-05-19 | 2014-10-08 | 南京正方电气有限公司 | Sealing device of transformer bushing |
| CN204313786U (en) * | 2014-11-19 | 2015-05-06 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Deformation of transformer winding test Special connecting device |
| CN204989248U (en) * | 2015-09-17 | 2016-01-20 | 国网天津市电力公司 | Transformer reactance method winding deformation testing short circuit termination |
| CN208077760U (en) * | 2018-03-27 | 2018-11-09 | 山东电力设备有限公司 | A kind of attachment device for detecting deformation of transformer winding |
-
2018
- 2018-03-27 CN CN201810261039.7A patent/CN108511166B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61117809A (en) * | 1984-11-14 | 1986-06-05 | Hitachi Ltd | Device for supporting transformer lead wire |
| JPH07280839A (en) * | 1994-04-06 | 1995-10-27 | Yazaki Corp | Movement for cross-coil type instrument and manufacture thereof |
| CN101701995A (en) * | 2009-11-12 | 2010-05-05 | 重庆大学 | Impulse response analytical test apparatus and method for detecting deformation of transformer winding |
| CN202189642U (en) * | 2011-09-05 | 2012-04-11 | 南京智达电气有限公司 | Pure porcelain sleeve for distribution transformer |
| CN102707103A (en) * | 2012-05-10 | 2012-10-03 | 广东电网公司电力科学研究院 | Deformation test lead wire of anti-interference type transformer winding and testing device formed by same |
| CN203871156U (en) * | 2014-05-19 | 2014-10-08 | 南京正方电气有限公司 | Sealing device of transformer bushing |
| CN204313786U (en) * | 2014-11-19 | 2015-05-06 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Deformation of transformer winding test Special connecting device |
| CN204989248U (en) * | 2015-09-17 | 2016-01-20 | 国网天津市电力公司 | Transformer reactance method winding deformation testing short circuit termination |
| CN208077760U (en) * | 2018-03-27 | 2018-11-09 | 山东电力设备有限公司 | A kind of attachment device for detecting deformation of transformer winding |
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| Publication number | Publication date |
|---|---|
| CN108511166B (en) | 2020-06-19 |
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