CN108092167A - Oil-gas casing transformer test specific purpose tool - Google Patents
Oil-gas casing transformer test specific purpose tool Download PDFInfo
- Publication number
- CN108092167A CN108092167A CN201711270456.XA CN201711270456A CN108092167A CN 108092167 A CN108092167 A CN 108092167A CN 201711270456 A CN201711270456 A CN 201711270456A CN 108092167 A CN108092167 A CN 108092167A
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- CN
- China
- Prior art keywords
- terminal
- wire connection
- conductive
- junction box
- connection terminal
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
- Testing Relating To Insulation (AREA)
Abstract
A kind of oil-gas casing transformer test specific purpose tool of the present invention, it includes test lead, its main feature is that:Junction box is further included, the input terminal of the junction box is electrically connected with test lead plug-in type, and the output terminal of junction box is electrically connected with test apparatus.During use:Open GIS inspection hole metal cover boards, the conductive clamp of test lead is obtained into connection with the conductive contact of each phase of transformer respectively by GIS peep holes, the shielding case of test lead is covered on conductive clamp, test lead is drawn again, the second wire connection terminal is plugged in the first wire connection terminal, voltage output end, current output terminal to contact of pressurizeing are connected with a conducting wire, connection pressurization contact and test apparatus, inspection is errorless, and applied voltage test can be carried out by powering on.It is easy to carry with time saving and energy saving, safe and efficient, a whole set of experimental rig light weight, it is safe and reliable the advantages of.
Description
Technical field
The present invention relates to electric power facility maintenance tools, oil-gas casing transformer test specific purpose tool are specifically, for more
Change the composite insulator of 66kV strain rod towers.
Background technology
With keeping reforming for power equipment, GIS (sulfur hexafluoride sealed combination electrical equipment) is widely used in power train
In system.Compared with conventional open style substation, GIS have the advantages that it is very much, as floor space is small, reliability is high, easy to maintain
Deng.The closed connection mode of GIS and transformer, determine service personnel when doing applied voltage test to transformer, it is necessary to by
Following steps:Charge and discharge insulating gas;Dismount GIS shells;Transformer full trials;Dismount conducting rod and peep hole
Cover board;Loop resistance is tested.Wherein the step ofRemove GIS metal shells, it is intended that expose transformer oil gas bushing upper end
Conductive contact, and then to transformer carry out applied voltage test.And GIS metal shells are removed, due to lacking effective specific purpose tool,
Not only the time-consuming and laborious efficiency of demolishing process is low, but also is not only easily damaged equipment, but also brings many peaces to the personnel of working site
Full hidden danger;It also needs to carry out loop resistance test to whole circuit after completing experiment, recovering metal shell and conducting rod, with inspection
Whether good look into each contact of getting an electric shock.
The content of the invention
The technical problems to be solved by the invention are:The shortcomings that overcoming the prior art provides a kind of light, safety, operation
Simple oil-gas casing transformer test specific purpose tool can utilize the peep hole of GIS metal shells that test lead is connected to change
Depressor conductive contact so as to avoid the complicated procedures of forming of dismounting GIS metal shells, while can also avoid the circuit after restorer electric
Test step is hindered, reduces the step of applied voltage test is done to transformer, shortens the repair time, improves work efficiency, prevents damage from setting
It is standby, improve maintenance reliability.
The present invention solve technical problem scheme be:A kind of oil-gas casing transformer test specific purpose tool, it includes experiment
Lead, it is characterized in that:Junction box is further included, the input terminal of the junction box is electrically connected with test lead plug-in type, junction box's
Output terminal is electrically connected with test apparatus.
The structure of the junction box is:It includes chest, patch panel and the first wire connection terminal, sets and connects in the chest
Line panel, the first wire connection terminal described in four is placed in as the input terminal of junction box in chest, the lower section of patch panel and solid
Even, the first wire connection terminal is electrically connected respectively with the voltage output end of patch panel and current output terminal.
The structure of the patch panel is:It includes substrate, voltage output end, current output terminal and pressurization contact, described
Substrate is the tablet that epoxy resin makes, and voltage output end described in four and the current output terminal described in four respectively install
It in substrate and is connected, the upper terminals of voltage output end or current output terminal stretch out surface, lower terminals stretching substrate
Lower section, pressurization contact are placed on substrate and are connected as the output terminal of junction box.
The voltage output end and current output terminal are knob terminals, and voltage output end is with current output terminal with bright
Aobvious color distinction is distinguish between.
The chest is made of compound type insulating material.
The structure of first wire connection terminal is:It includes conductive core, conducting ring and insulator, and the conductive core, which is placed in, to be led
One end of electric ring, one end of conductive core are stretched into conducting ring, outside other end stretching conducting ring, and insulator is placed in conductive core and conduction
Between ring, make to insulate between conductive core and conducting ring, conductive core is electrically connected with the lower terminals of voltage output end, conducting ring and electricity
Flow the lower terminals electrical connection of output terminal.
The structure of the test lead is:It includes connecting cable, the second wire connection terminal, conductive clamp and shielding case, institute
The one end for stating connecting cable is electrically connected with second wire connection terminal, the other end is electrically connected respectively with the conductive clamp described in two
Connect, shielding case be socketed on connecting cable and its conductive clamp of connection and with connecting cable sliding contact.
The structure of second wire connection terminal is:It includes terminal core, insulating layer and conductive ring, and the terminal core is installed on
In the insulating layer, inserted terminal stretching insulating layer is outer and is connected, and the conductive ring is socketed on the insulating layer and is connected;Second connects
Line terminals are plugged in the first wire connection terminal, the terminal core inserted terminal of the second wire connection terminal and the first wire connection terminal of junction box
Conductive core electrical connection, the other end are electrically connected with the cable core of connecting cable, form voltage channel, the conductive ring of the second wire connection terminal
It is electrically connected with the conducting ring of the first wire connection terminal of junction box, is electrically connected with the shielded layer of connecting cable, form current channel.
The connecting cable is anti-interference direct current high voltage cable.
The clamping opening of the conductive clamp is zigzag, clamp holder sets insulation sleeve, two connected on same root connecting cable
Conductive clamp, the insulation sleeve that clamp holder is set are distinguish between with apparent color distinction.
The application method of oil-gas casing transformer test specific purpose tool of the present invention is:GIS inspection hole metal cover boards are opened, it will
The conductive clamp of test lead obtains connection with the conductive contact of each phase of transformer respectively by GIS peep holes, by test lead
Shielding case cover on conductive clamp, then test lead is drawn, the second wire connection terminal is plugged in the first wire connection terminal, with one
Root conducting wire connection voltage output end, current output terminal to contact of pressurizeing, connection pressurization contact and test apparatus, inspection is errorless, connects
Energization source can carry out applied voltage test.
Oil-gas casing transformer test specific purpose tool of the present invention does not have to during experiment remove GIS shells, auxiliary without big machinery
Help operation, experiment finishes, restorer or need not do loop resistance test, time saving and energy saving, safe and efficient, a whole set of experimental rig matter
Amount is light, and easy to carry, indices meet regulatory requirements;Its junction box contacts reliably with test lead, the first wire connection terminal with
Second wire connection terminal uses the structure of composite terminal, had both been engaged good, reliability height, and disclosure satisfy that voltage, current signal are double
The access requirement of passage;Box surface has insulating film, and good corrosion resistance, material is light, and convenient in carrying is simple for process;Knob connects
Line end disclosure satisfy that available for different connection modes as voltage output end and current output terminal;Its connecting cable uses anti-interference direct current
High-tension cable can form the dual-channel transmission of voltage, current signal;Its conductive clamp is small, and operation is flexible;With time saving
Laborsaving, safe and efficient, a whole set of experimental rig light weight is easy to carry, it is safe and reliable the advantages of.
Description of the drawings
Fig. 1 is the structure diagram of oil-gas casing transformer test specific purpose tool of the present invention;
Fig. 2 is the schematic front view of the junction box of oil-gas casing transformer test specific purpose tool of the present invention;
Fig. 3 is the schematic top plan view that Fig. 2 opens chest;
Fig. 4 is the main view schematic cross-sectional view of the junction box of oil-gas casing transformer test specific purpose tool of the present invention;
Fig. 5 is the schematic top plan view that Fig. 4 removes patch panel;
Fig. 6 is the left view schematic cross-sectional view of Fig. 4;
Fig. 7 is the structure diagram of the test lead of oil-gas casing transformer test specific purpose tool of the present invention;
Fig. 8 is the B-B schematic cross-sectional views of Fig. 7.
In figure:1 junction box, 2 patch panels, 3 voltage output ends, 4 chests, 5 current output terminals, 6 first
Wire connection terminal, 7 second wire connection terminals, 8 test leads, 9 connecting cables, 10 shielding cases, 11 pressurization contacts, 12
Conductive clamp.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
With reference to Fig. 1~Fig. 8, embodiment 1, a kind of oil-gas casing transformer test specific purpose tool of the present embodiment, it includes examination
Lead 8 is tested, further includes junction box 1, the input terminal of the junction box 1 is electrically connected with 8 plug-in type of test lead, and junction box's 1 is defeated
Outlet is electrically connected with test apparatus.
The structure of the junction box 1 is:It includes chest 4,2 and first wire connection terminal 6 of patch panel, and the chest 4 is adopted
It is made of compound type insulating material, patch panel 2 is set in chest 4, the first wire connection terminal 6 described in four is used as junction box 1
Input terminal be placed in chest 4, the lower section of patch panel 2 and be connected, the first wire connection terminal 6 voltage with patch panel 2 respectively
Output terminal 3 and current output terminal 5 are electrically connected.
The structure of the patch panel 2 is:It includes substrate, voltage output end 3, current output terminal 5 and pressurization contact 11,
The substrate is the tablet that epoxy resin makes, and voltage output end 3 described in four and the current output terminal 5 described in four are divided equally
It is not installed in substrate and is connected, the upper terminals of voltage output end 3 or current output terminal 5 stretch out surface, lower terminals
It stretches out below substrate, pressurization contact 11 is placed on substrate and is connected as the output terminal of junction box 1.
The voltage output end 3 and current output terminal 5 are knob terminals, voltage output end 3 and current output terminal 5
It is distinguish between respectively with apparent red and black.
The structure of first wire connection terminal 6 is:It includes conductive core, conducting ring and insulator, and the conductive core is placed in
One end of conducting ring, one end of conductive core are stretched into conducting ring, outside other end stretching conducting ring, and insulator is placed in conductive core with leading
Between electric ring, make to insulate between conductive core and conducting ring, conductive core is electrically connected with the lower terminals of voltage output end 3, conducting ring
It is electrically connected with the lower terminals of current output terminal 5.
The structure of the test lead 8 is:It includes connecting cable 9, the second wire connection terminal 7, conductive clamp 12 and shielding
Cover 10, the connecting cable 9 are anti-interference direct current high voltage cable, and one end of connecting cable 9 is electrically connected with second wire connection terminal 7
Connect, the other end is electrically connected with the conductive clamp 12 described in two, the clamping opening of conductive clamp 12 is zigzag, clamp holder set it is exhausted
Edge set, two conductive clamps 12 connected on same root connecting cable 9, the insulation sleeve that clamp holder is set is with apparent red and black
Color is distinguish between, and shielding case 10 is socketed on connecting cable 9 and its conductive clamp 12 of connection and is connect with the slip of connecting cable 9
It touches.
The structure of second wire connection terminal 7 is:It includes terminal core, insulating layer and conductive ring, and the terminal core installs
In the insulating layer, inserted terminal stretch out outside insulating layer and be connected, conductive ring socket on the insulating layer and is connected;Second
Wire connection terminal 7 is plugged in the first wire connection terminal 6, the terminal core inserted terminal of the second wire connection terminal 7 and the first wiring of junction box 1
The conductive core electrical connection of terminal 6, the other end are electrically connected with the cable core of connecting cable 9, form voltage channel, the second wire connection terminal
7 conductive ring is electrically connected with the conducting ring of the first wire connection terminal 6 of junction box 1, is electrically connected with the shielded layer of connecting cable 9, shape
Into current channel.
The present embodiment is manufactured using the prior art.
The application method of the present embodiment is:GIS inspection hole metal cover boards are opened, the conductive clamp 12 of test lead 8 is led to
It crosses GIS peep holes and obtains connection with the conductive contact of each phase of transformer respectively, the shielding case 10 of test lead 8 is covered on into conductive clip
On son 12, then test lead 8 drawn, the second wire connection terminal 7 is plugged in the first wire connection terminal 6, with a conducting wire connection electricity
Output terminal 3, current output terminal 5 to pressurization contact 11, connection pressurization contact 11 and test apparatus are pressed, inspection is errorless, powers on
It can carry out applied voltage test.
After the present embodiment comes into operation, detection experiment every time, can save the working time 8 it is small when, by for a 66kV grade
40000kVA transformers transmit electric power average electricity price 0.89 yuan/degree technology, 28.48 ten thousand yuan of loss can be reduced.It simultaneously can be compared with
Few installation questions such as bad, repetition adjustment that coincide that may be brought because dismounting GIS housings outside oil-gas casing.
Claims (9)
1. a kind of oil-gas casing transformer test specific purpose tool, it includes test lead, it is characterized in that:Junction box is further included, institute
The input terminal for stating junction box is electrically connected with test lead plug-in type, and the output terminal of junction box is electrically connected with test apparatus.
2. oil-gas casing transformer test specific purpose tool as described in claim 1, it is characterized in that:The structure of the junction box
It is:It includes chest, patch panel and the first wire connection terminal, sets patch panel in the chest, first described in four connects
Line terminals are placed in as the input terminal of junction box in chest, the lower section of patch panel and are connected, and the first wire connection terminal is respectively with connecing
Voltage output end and the current output terminal electrical connection of line panel.
3. oil-gas casing transformer test specific purpose tool as claimed in claim 2, it is characterized in that:The structure of the patch panel
It is:It is including substrate, voltage output end, current output terminal and pressurization contact, the tablet that the substrate makes for epoxy resin, and four
A voltage output end and the current output terminal described in four are respectively installed in substrate and are connected, voltage output end or
The upper terminals of current output terminal stretch out surface, lower terminals are stretched out below substrate, and pressurization contact is as the defeated of junction box
Outlet is placed on substrate and is connected.
4. oil-gas casing transformer test specific purpose tool as claimed in claim 2 or claim 3, it is characterized in that:The voltage output end
It is knob terminals with current output terminal, voltage output end is distinguish between with current output terminal with apparent color distinction.
5. oil-gas casing transformer test specific purpose tool as claimed in claim 2, it is characterized in that:First wire connection terminal
Structure is:It includes conductive core, conducting ring and insulator, and the conductive core is placed in one end of conducting ring, and one end of conductive core is stretched
Enter in conducting ring, the other end is stretched out outside conducting ring, insulator is placed between conductive core and conducting ring, make conductive core and conducting ring it
Between insulate, conductive core is electrically connected with the lower terminals of voltage output end, and conducting ring is electrically connected with the lower terminals of current output terminal.
6. oil-gas casing transformer test specific purpose tool as described in claim 1, it is characterized in that:The structure of the test lead
It is:It includes connecting cable, the second wire connection terminal, conductive clamp and shielding case, one end of the connecting cable and described second
Wire connection terminal electrical connection, the other end be electrically connected with the conductive clamp described in two, shielding case be socketed in connecting cable and its
On the conductive clamp of connection and with connecting cable sliding contact.
7. oil-gas casing transformer test specific purpose tool as claimed in claim 6, it is characterized in that:Second wire connection terminal
Structure is:It includes terminal core, insulating layer and conductive ring, and the terminal core is installed in the insulating layer, inserted terminal stretches out
Insulating layer is outer and is connected, and the conductive ring is socketed on the insulating layer and is connected;Second wire connection terminal is plugged on the first wire connection terminal
Interior, the terminal core inserted terminal of the second wire connection terminal is electrically connected with the conductive core of the first wire connection terminal of junction box, the other end and company
The cable core electrical connection of cable is connect, forms voltage channel, the conductive ring of the second wire connection terminal and the first wire connection terminal of junction box
Conducting ring electrical connection, be electrically connected with the shielded layer of connecting cable, formation current channel.
8. oil-gas casing transformer test specific purpose tool as claimed in claim 6, it is characterized in that:The connecting cable is anti-dry
Disturb direct current high voltage cable.
9. oil-gas casing transformer test specific purpose tool as claimed in claim 6, it is characterized in that:The clamping opening of the conductive clamp
For zigzag, clamp holder, insulation sleeve, two conductive clamps connected on same root connecting cable, the insulation sleeve that clamp holder is set are set
It is distinguish between with apparent color distinction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711270456.XA CN108092167B (en) | 2017-12-05 | 2017-12-05 | Special tool for testing oil-gas casing pipe transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711270456.XA CN108092167B (en) | 2017-12-05 | 2017-12-05 | Special tool for testing oil-gas casing pipe transformer |
Publications (2)
Publication Number | Publication Date |
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CN108092167A true CN108092167A (en) | 2018-05-29 |
CN108092167B CN108092167B (en) | 2023-04-18 |
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Application Number | Title | Priority Date | Filing Date |
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CN201711270456.XA Active CN108092167B (en) | 2017-12-05 | 2017-12-05 | Special tool for testing oil-gas casing pipe transformer |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006164914A (en) * | 2004-12-10 | 2006-06-22 | Kansai Electric Power Co Inc:The | Connection apparatus |
CN2906962Y (en) * | 2006-05-29 | 2007-05-30 | 包建平 | Double grip cover double line automobile charging cable |
CN202817558U (en) * | 2012-09-19 | 2013-03-20 | 吉林省电力有限公司吉林供电公司 | Auxiliary test tool for oil and gas bushing transformer |
CN105119113A (en) * | 2015-09-30 | 2015-12-02 | 西安艾力特电子实业有限公司 | Novel radio-frequency coaxial connector |
CN207572820U (en) * | 2017-12-05 | 2018-07-03 | 国家电网公司 | Oil-gas casing transformer test specific purpose tool |
-
2017
- 2017-12-05 CN CN201711270456.XA patent/CN108092167B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006164914A (en) * | 2004-12-10 | 2006-06-22 | Kansai Electric Power Co Inc:The | Connection apparatus |
CN2906962Y (en) * | 2006-05-29 | 2007-05-30 | 包建平 | Double grip cover double line automobile charging cable |
CN202817558U (en) * | 2012-09-19 | 2013-03-20 | 吉林省电力有限公司吉林供电公司 | Auxiliary test tool for oil and gas bushing transformer |
CN105119113A (en) * | 2015-09-30 | 2015-12-02 | 西安艾力特电子实业有限公司 | Novel radio-frequency coaxial connector |
CN207572820U (en) * | 2017-12-05 | 2018-07-03 | 国家电网公司 | Oil-gas casing transformer test specific purpose tool |
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Publication number | Publication date |
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CN108092167B (en) | 2023-04-18 |
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