CN108199154A - CT secondary circuit shorting stubs - Google Patents
CT secondary circuit shorting stubs Download PDFInfo
- Publication number
- CN108199154A CN108199154A CN201711247860.5A CN201711247860A CN108199154A CN 108199154 A CN108199154 A CN 108199154A CN 201711247860 A CN201711247860 A CN 201711247860A CN 108199154 A CN108199154 A CN 108199154A
- Authority
- CN
- China
- Prior art keywords
- lock pin
- hollow columnar
- columnar conductor
- column lock
- elastic spring
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a kind of CT secondary circuits shorting stubs, including conducting wire and it is connected to the plug at conducting wire both ends, the plug includes the hollow columnar conductor of front and rear extension, it is coated with column lock pin with one heart in hollow columnar conductor, the rear end top load of column lock pin is connected to compressed spring, the front and rear long guiding hole extended is circumferentially offered on the hollow columnar conductor and its insulating sheath positioned at handle portion, it is radially fixed on the column lock pin to have the insulated tension pole for being pierced by corresponding long guiding hole, the elastic spring of top pressure corresponding with column lock pin cooperation is equipped on the forepart side wall of hollow columnar conductor, the anti-slop serrations with current terminal row's corresponding matching are convexly equipped in the outer surface of elastic spring.The CT secondary circuit shorting stubs of the present invention are simple in structure, using reliable, solve the problems, such as that existing test wire short circuit CT secondary circuits are susceptible to operation error.
Description
Technical field
The present invention relates to a kind of high-voltage electrical equipment protective devices, are specifically to be related to a kind of CT secondary circuits short circuit
Line.
Background technology
In the service work of power equipment, some, which replace the work such as circuit, transformer and bus protection equipment, to stop
Electricity carries out, if there are operation tasks for current loop at this time, it is necessary to the secondary circuit of CT be carried out short circuit isolation, do corresponding peace
Full measure.The prior art exists, and CT secondary circuits generally use conventional test wire to carry out short circuit, and this test wire needs more
People is used cooperatively, and needs the current loop of monitoring not off interval in real time, this requires secondary staff have it is stronger specially
The phenomenon that industry, must be careful with caution in the course of work, but this can not exclude to make a fault, once there is operation error, CT
Secondary circuit is opened a way, and is easy for causing the major accidents such as personnel's electric shock, CT explosions.
Invention content
The purpose of the present invention is：In view of the drawbacks of the prior art, a kind of CT bis- simple in structure, safe and reliable is provided
Minor loop shorting stub.
The technical scheme is that：A kind of CT secondary circuits shorting stub including conducting wire and is connected to inserting for conducting wire both ends
Head, the plug include the hollow columnar conductor of front and rear extension, and the forepart of the hollow columnar conductor is for connecting current terminal
The contact pin portion of row, the rear portion package insulating sheath of the hollow columnar conductor form handle portion；It is worn with one heart in hollow columnar conductor
Equipped with column lock pin, the top load of the rear end of column lock pin is connected to compressed spring, in the hollow columnar conductor positioned at handle portion and its
The front and rear long guiding hole extended is circumferentially offered on insulating sheath, it is radially fixed on the column lock pin to be pierced by corresponding guiding
Contact pin portion is stretched into the insulated tension pole of slot hole, the forepart of the column lock pin, is equipped on the plug division side wall of hollow columnar conductor
The elastic spring of top pressure cooperation corresponding with column lock pin, is convexly equipped in the outer surface of elastic spring and arranges corresponding matching with current terminal
Anti-slop serrations, the elastic spring bends towards hollow columnar conductor when not acted on by external force and makes under column lock pin top pressure
Anti-slop serrations protrude the outer surface of hollow columnar conductor.
The front end of the column lock pin is pyramidal structure.
The long guiding hole offers two or more along handle portion is circumferentially-spaced, corresponding solid on the column lock pin
The insulated tension pole of corresponding long guiding hole is pierced by there are two fixed above, is fixed in the end of each insulated tension pole and is linked to be around handle portion
The insulating tab of annular.
Land is equipped in the rear portion radial convex of the column lock pin, the compressed spring top is mounted on the rear end face of land,
The insulated tension pole is fixed on the circumferential surface of land.
The root of the elastic spring is integrally connected on hollow columnar conductor.
The CT secondary circuits shorting stub of the present invention can utilize plug inside to install after plug is inserted into current terminal row
Column lock pin, compressed spring and plug head plug division side wall setting elastic spring match plug and current terminal
Row's locking, be effectively ensured between shorting stub and current terminal row stablize, reliable connection, avoid shorting stub occur to loosen,
The danger to come off, the CT secondary circuit shorting stubs are simple in structure, using reliable, solve existing test wire short circuit CT secondary circuits
The problem of being susceptible to operation error.
Description of the drawings
Fig. 1 is the structure diagram of CT secondary circuits shorting stub of the present invention.
Specific embodiment
The CT secondary circuits shorting stub of the present invention mainly by conducting wire and is connected to the plug at conducting wire both ends and forms, the knot of plug
Structure is as shown in Figure 1, the main body of its plug is the hollow columnar conductor 1 of front and rear extension, and the forepart of the hollow columnar conductor 1 is uses
In the contact pin portion 3 of connection current terminal row, the rear portion package insulating sheath 2 of the hollow columnar conductor 1 forms handle portion, wherein,
It is coated with column lock pin 5 with one heart in hollow columnar conductor 1, dress is pushed up positioned at the rear end of column lock pin 5 in hollow columnar conductor 1
There is the compressed spring 10 that driving column lock pin 5 moves forward, positioned at the hollow columnar conductor 1 of handle portion and its insulating sheath 2
It is upper it is circumferentially spaced offer at least two front and rear long guiding holes 12 extended, be fixed in the rear portion radial direction of column lock pin 5
It is pierced by the insulated tension pole 8 of corresponding long guiding hole 12, the end of each insulated tension pole 8 is fixedly connected with that there are one ring sets outside handle portion
Insulating tab 9 by pulling back the insulating tab 9, can drive column lock pin 5 to overcome compressed spring by insulated tension pole 8
10 resistance moves backward.Contact pin portion is stretched into forward in the forepart of column lock pin 5, on the plug division side wall of hollow columnar conductor 1
Circumferential is equipped at intervals with more than two elastic springs 4 coordinated with 5 corresponding top pressure of column lock pin, in the appearance of each elastic spring 4
Face is convexly equipped with the anti-slop serrations with current terminal row's corresponding matching, and each elastic spring 4 bends towards hollow posts when not acted on by external force
1 inside of shape conductor and the outer surface that hollow columnar conductor 1 is protruded in the case where column lock pin 5 drives top pressure.In the present embodiment, cylinder lock
The front end of pin 5 is pyramidal structure；Land 6 is equipped in the rear portion radial convex of column lock pin 5, the top of compressed spring 6 is mounted in land 6
On rear end face, insulated tension pole 8 is fixed on the circumferential surface of land 6；Elastic spring 4 is structure as a whole with hollow columnar conductor 1, by
Extend forward with the root of 1 integrally connected of hollow columnar conductor.
The CT secondary circuits shorting stub of the present invention when in use, pulls back insulating tab 9, insulating tab 9 passes through first
Insulated tension pole 8 drives column lock pin 5 to move backward, and the front end of column lock pin 5 is made to be detached from the contact with elastic spring 4, elastic spring
Piece 4 loses and curves inwardly reset by natural resiliency after the pressure on top surface of column lock pin 5, when the plug division of plug head is inserted into electric current
In terminal block after corresponding jack, insulating tab 9 is discharged, column lock pin 5 moves forward top pressure under the action of compressed spring 10
Elastic spring 4, elastic spring 4 are flared out under the top pressure of column lock pin 5, protrude the anti-slop serrations on 4 surface of elastic spring
The surface of plug division is fitted close with the jack inner wall on current terminal row, it is ensured that and plug arranges stable connection with current terminal,
It not only can effectively ensure reliable being electrically connected, while can ensure shorting stub and electric current between shorting stub and current terminal row
Stablize between terminal block, reliable mechanical connection, avoid shorting stub and the danger for loosening, coming off occurs.
During concrete application, in order to find and solve, because shorting stub being caused to come off during cause specific, to insert in shorting stub in time
When entering on current terminal row, a long-range report is connected on one current transformer of three-phase shorting stub housing, the current transformer
Alarm device, when a certain phase shorting stub comes off, this is mutually opened a way, and current transformer collects open-circuit current, so as to trigger long-range report
Alarm device sends out alarm signal, and staff is allow to monitor the security situation of each group of CT winding in real time, it is ensured that work
Personnel's personal safety and equipment safety.
Claims (5)
1. a kind of CT secondary circuits shorting stub, including conducting wire and it is connected to the plug at conducting wire both ends, which is characterized in that the plug
Hollow columnar conductor including front and rear extension, the forepart of the hollow columnar conductor are the contact pin portion for connecting current terminal row,
The rear portion package insulating sheath of the hollow columnar conductor forms handle portion；It is coated with cylinder lock with one heart in hollow columnar conductor
Pin, the rear end top load of column lock pin is connected to compressed spring, on the hollow columnar conductor and its insulating sheath positioned at handle portion
The front and rear long guiding hole extended is circumferentially offered, it is radially fixed on the column lock pin to have the insulation for being pierced by corresponding long guiding hole
Contact pin portion is stretched into pull rod, the forepart of the column lock pin, is equipped with and column lock pin on the plug division side wall of hollow columnar conductor
The elastic spring of corresponding top pressure cooperation is convexly equipped with the anti-slop serrations with current terminal row's corresponding matching in the outer surface of elastic spring,
The elastic spring bends towards hollow columnar conductor when not acted on by external force and makes anti-slop serrations convex under column lock pin top pressure
Go out the outer surface of hollow columnar conductor.
2. CT secondary circuits shorting stub according to claim 1, which is characterized in that the front end of the column lock pin is cone
Shape structure.
3. CT secondary circuits shorting stub according to claim 1, which is characterized in that the long guiding hole is all along handle portion
Two or more is equipped with to being spaced apart, the corresponding two or more that is fixed with is pierced by the exhausted of corresponding long guiding hole on the column lock pin
Edge pull rod is fixed with the insulating tab for being linked to be annular around handle portion in the end of each insulated tension pole.
4. the CT secondary circuit shorting stubs according to claim 1 or 3, which is characterized in that at the rear portion of the column lock pin
Radial convex is equipped with land, and on the rear end face of land, the insulated tension pole is fixed on the week of land on the compressed spring top
On face.
5. CT secondary circuits shorting stub according to claim 1, which is characterized in that the root one of the elastic spring
It is connected on hollow columnar conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711247860.5A CN108199154A (en) | 2017-12-01 | 2017-12-01 | CT secondary circuit shorting stubs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711247860.5A CN108199154A (en) | 2017-12-01 | 2017-12-01 | CT secondary circuit shorting stubs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108199154A true CN108199154A (en) | 2018-06-22 |
Family
ID=62573358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711247860.5A Pending CN108199154A (en) | 2017-12-01 | 2017-12-01 | CT secondary circuit shorting stubs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108199154A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2301931A1 (en) * | 1975-02-21 | 1976-09-17 | Drogo Pierre | Single pole jack type electrical connector - has cylindrical spring contact insert and may be formed in miniature |
| JPH088032A (en) * | 1994-06-15 | 1996-01-12 | Nippon Telegr & Teleph Corp <Ntt> | Pin hand and pin insertion-drawing device |
| CN104037542A (en) * | 2014-05-30 | 2014-09-10 | 中航光电科技股份有限公司 | Radial pull-out electric connector |
| CN205335533U (en) * | 2015-12-22 | 2016-06-22 | 东莞市泰创电子科技有限公司 | Good just quick assembly disassembly's connector of signal |
| CN206558744U (en) * | 2017-03-29 | 2017-10-13 | 永惠娴 | A kind of Internet of Things e-commerce platform terminal accesses the device that is connected |
-
2017
- 2017-12-01 CN CN201711247860.5A patent/CN108199154A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2301931A1 (en) * | 1975-02-21 | 1976-09-17 | Drogo Pierre | Single pole jack type electrical connector - has cylindrical spring contact insert and may be formed in miniature |
| JPH088032A (en) * | 1994-06-15 | 1996-01-12 | Nippon Telegr & Teleph Corp <Ntt> | Pin hand and pin insertion-drawing device |
| CN104037542A (en) * | 2014-05-30 | 2014-09-10 | 中航光电科技股份有限公司 | Radial pull-out electric connector |
| CN205335533U (en) * | 2015-12-22 | 2016-06-22 | 东莞市泰创电子科技有限公司 | Good just quick assembly disassembly's connector of signal |
| CN206558744U (en) * | 2017-03-29 | 2017-10-13 | 永惠娴 | A kind of Internet of Things e-commerce platform terminal accesses the device that is connected |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180622 |
|
| WD01 | Invention patent application deemed withdrawn after publication |