CN208093914U - A kind of connector for realizing CT secondary side automatic short circuit functions - Google Patents
A kind of connector for realizing CT secondary side automatic short circuit functions Download PDFInfo
- Publication number
- CN208093914U CN208093914U CN201820308455.3U CN201820308455U CN208093914U CN 208093914 U CN208093914 U CN 208093914U CN 201820308455 U CN201820308455 U CN 201820308455U CN 208093914 U CN208093914 U CN 208093914U
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- CN
- China
- Prior art keywords
- inserted sheet
- short circuit
- slide bar
- circuit piece
- plug substrate
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Abstract
The utility model provides a kind of connector for realizing CT secondary side automatic short circuit functions, by the way that accessible or separation short circuit piece is arranged between two inserted sheets for connecting CT secondary sides, conveniently when debugging and maintenance has the distribution instrument of current measurement function, the secondary side short circuit for fast implementing CT in distribution system, then removes instrument again；Plug substrate is specifically included, the first inserted sheet and the second inserted sheet being mutually parallel are provided through on plug substrate；Slide bar is equipped between the first inserted sheet and the second inserted sheet, slide bar is slidably matched through setting on plug substrate and with plug substrate, short circuit piece is equipped between the first inserted sheet and the second inserted sheet, respectively with the terminals of the first inserted sheet, the terminal contact of the second inserted sheet, one end of slide bar is fixedly connected with short circuit piece at the both ends of short circuit piece；The both ends end of slide bar is cased with return spring, and one end of return spring is fixedly connected with the end of slide bar, and the other end of return spring is contacted with plug substrate.
Description
Technical field
The utility model is related to power line protection devices, and in particular to one kind is for realizing CT secondary side automatic short circuit work(
The connector of energy.
Background technology
In electrical power trans mission/distribution system, current transformer is commonly used（CT）Carry out measuring system electric current.It is special by the physics of current transformer
Property determine secondary side high pressure can be caused when the secondary side output open circuit of CT, cause personnel injure and CT can be burnt out.Therefore, exist
When debugging and maintenance has the distribution instrument of current measurement function, can all it be strict with first by the secondary side short circuit of CT in system, then
Instrument is removed again.Equipment and personnel can be caused to damage if operating personnel's carelessness directly removes instrument, in strict accordance with operating instruction
In debugging process, bis- outputs of frequent short circuit CT cause the reduction of efficiency again.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of company for realizing CT secondary side automatic short circuit functions
Device is connect, by the way that accessible or separation short circuit piece is arranged between two inserted sheets for connecting CT secondary sides, to realize
Current Transformer（CT）Come when measuring electrical power trans mission/distribution system, CT secondary side automatic short circuit functions；It is convenient to have electric current in debugging and maintenance
When measuring the distribution instrument of function, the secondary side short circuit of CT in distribution system is fast implemented, then removes instrument again.
A kind of connector for realizing CT secondary side automatic short circuit functions, including plug substrate, in the plug substrate
On be provided through the first inserted sheet and the second inserted sheet being mutually parallel, it is characterised in that：The terminals of first inserted sheet are used for
The first terminals of CT secondary sides are connected, the terminals of second inserted sheet are used to connect the second wiring of the CT secondary sides
End；Between first inserted sheet and the second inserted sheet be equipped with slide bar, the slide bar through be arranged on the plug substrate and with
The plug substrate is slidably matched, and short circuit piece, the both ends of the short circuit piece are equipped between first inserted sheet and the second inserted sheet
Respectively with the terminals of the first inserted sheet, the terminal contact of the second inserted sheet, one end of the slide bar is fixed with the short circuit piece to be connected
It connects；The both ends end of the slide bar is cased with return spring, and the end of one end of the return spring with the slide bar is fixed
Connection, the other end of the return spring are contacted with the plug substrate.
The principles of the present invention：First inserted sheet and the second inserted sheet correspond respectively passes through first electric wire and Article 2
Electric wire is connect with two connector lugs of CT secondary sides.Before the first inserted sheet and the second inserted sheet are not inserted into the socket in instrument,
Short circuit piece is stablized by return spring between the first inserted sheet and the second inserted sheet, and makes the both ends of short circuit piece respectively with first
The terminal contact of inserted sheet and the second inserted sheet, to short circuit CT secondary sides；
When the first inserted sheet and the second inserted sheet will be inserted into the socket in instrument, the shell of socket jacks up slide bar,
The return spring of slide bar outside end compresses, and the return spring of slide bar inner end end opens, and slide bar jacks up short circuit piece, makes short circuit piece
It is detached with the first inserted sheet and the second inserted sheet, secondary side, that is, outlet side of such CT is linked into test by inserted sheet and jack contact
In instrument, realizes and measure function；
In addition, when the first inserted sheet and the second inserted sheet are extracted, slide bar slowly stretches out under the action of two return springs, band
Dynamic short circuit piece is slowly close to the first inserted sheet and the second inserted sheet, and before inserted sheet is detached with jack, the both ends of short circuit piece are respectively with first
The terminals interior side contacts of inserted sheet and the second inserted sheet realize short circuit.
More preferably to realize the utility model, may further be：The short circuit piece is door type, the opening court of the short circuit piece
To the plug substrate, the outside integration at short circuit piece both ends is equipped with semi-circular convex block, and the convex block abuts respectively
On the inside of the terminals of first inserted sheet and the second inserted sheet；The end of the slide bar and the middle part of the short circuit piece are fixed and are connected
It connects.
More preferably to realize the utility model, may further be：First inserted sheet and the second inserted sheet are strip inserted sheet.
The beneficial effects of the utility model：CT secondary side wiring is arranged to the mode of plug, and by short circuit piece and is inserted
Two blade contacts on head substrate or separation, to realize that the function of CT secondary side automatic short-circuits, principle are simply easily realized；?
Slide bar is set on plug substrate, and slide bar is slided by return spring on plug substrate, in the work of external force and return spring
It is moved, realize short circuit piece and blade contact or detached with lower drive short circuit piece, simple in structure easy to operate, production cost is low；Pass through
This programme so that the secondary side for fast implementing CT in distribution system is short in the distribution instrument that debugging and maintenance has current measurement function
It connects, then removes instrument again, improve the safety in working efficiency and operation.
Description of the drawings
Fig. 1 is the perspective view of the utility model.
1, plug substrate；21, the first inserted sheet；22, the second inserted sheet；3, short circuit piece；31, convex block；41/42, return spring；5,
Slide bar.
Specific implementation mode
It elaborates below in conjunction with the accompanying drawings to the utility model.
As shown in Figure 1, a kind of connector for realizing CT secondary side automatic short circuit functions, including plug substrate 1, in institute
State the first inserted sheet 21 and the second inserted sheet 22 for being provided through and being mutually parallel on plug substrate 1, first inserted sheet 21 and second
Inserted sheet 22 is strip inserted sheet, and the terminals of first inserted sheet 21 are used to connect the first terminals of CT secondary sides, described
The terminals of second inserted sheet 22 are used to connect the second terminals of the CT secondary sides；In first inserted sheet, 21 and second inserted sheet
Slide bar 5 is equipped between 22, the slide bar 5 is slidably matched through setting on the plug substrate 1 and with the plug substrate 1,
Be equipped with short circuit piece 3 between first inserted sheet, 21 and second inserted sheet 22, the both ends of the short circuit piece 3 respectively with the first inserted sheet 21
Terminals, the second inserted sheet 22 terminal contact, one end of the slide bar 5 is fixedly connected with the short circuit piece 3；The slide bar
5 both ends end is cased with return spring 41,42, and the end of one end of the return spring 41,42 with the slide bar 5 is fixed
Connection, the other end of the return spring 41,42 are contacted with the plug substrate 1；
Wherein, the short circuit piece 3 is door type, and the opening of the short circuit piece 3 is towards the plug substrate 1, described short
The outside integration at 3 both ends of contact pin is equipped with semi-circular convex block 31, and the convex block 31 is connected to 21 He of the first inserted sheet respectively
On the inside of the terminal ends of second inserted sheet 22；The end of the slide bar 5 is fixedly connected with the middle part of the short circuit piece 3.
The principles of the present invention：First inserted sheet 21 and the second inserted sheet 22 are corresponded respectively through first bar of electric wire and the
Two electric wires are connect with two lines that CT secondary sides export.It is not inserted into inserting in instrument in the first inserted sheet 21 and the second inserted sheet 22
Before seat, short circuit piece 3 is stablized by return spring 41,42 between the first inserted sheet 21 and the second inserted sheet 22, and makes short circuit
The convex block 31 at 3 both ends of piece terminal ends interior side contacts with the first inserted sheet and the second inserted sheet respectively, to first electricity of short circuit
Line and Article 2 electric wire；
When the first inserted sheet 21 and the second inserted sheet 22 will be inserted into the socket in instrument, the shell of socket is by slide bar 5
It jacks up, the return spring 42 of 5 outside end of slide bar compresses, and the return spring 42 of 5 inner end end of slide bar opens, and slide bar 5 jacks up short
Contact pin 3 makes the convex block 31 of short circuit piece 3 be detached with the first inserted sheet 21 and the second inserted sheet 22, and secondary side, that is, outlet side of such CT is logical
It crosses inserted sheet and jack contact and is linked into test instrumentation, realize and measure function；
In addition, when the first inserted sheet 21 and the second inserted sheet 22 are extracted, slide bar 5 is slowly stretched under the action of two return springs
Go out, drives short circuit piece slowly close to the first inserted sheet 21 and the second inserted sheet 22, before inserted sheet is detached with jack, the both ends of short circuit piece 3
Respectively with the terminal ends interior side contacts of the first inserted sheet 21 and the second inserted sheet 22, short circuit is realized.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (3)
1. a kind of connector for realizing CT secondary side automatic short circuit functions, including plug substrate, on the plug substrate
It is provided through the first inserted sheet and the second inserted sheet being mutually parallel, it is characterised in that：The terminals of first inserted sheet are for connecting
The first terminals of CT secondary sides are connect, the terminals of second inserted sheet are used to connect the second terminals of the CT secondary sides；
Between first inserted sheet and the second inserted sheet be equipped with slide bar, the slide bar through be arranged on the plug substrate and with it is described
Plug substrate is slidably matched, and short circuit piece is equipped between first inserted sheet and the second inserted sheet, and the both ends of the short circuit piece are distinguished
With the terminals of the first inserted sheet, the terminal contact of the second inserted sheet, one end of the slide bar is fixedly connected with the short circuit piece；Institute
The both ends end for stating slide bar is cased with return spring, and one end of the return spring is fixedly connected with the end of the slide bar,
The other end of the return spring is contacted with the plug substrate.
2. a kind of connector for realizing CT secondary side automatic short circuit functions according to claim 1, it is characterised in that：
The short circuit piece is door type, and the opening of the short circuit piece is towards the plug substrate, the outside one at short circuit piece both ends
Bodyization is equipped with semi-circular convex block, and the convex block is connected to respectively in the terminal ends of first inserted sheet and the second inserted sheet
Side；It is fixedly connected in the middle part of the end of the slide bar and the short circuit piece.
3. a kind of connector for realizing CT secondary side automatic short circuit functions according to claim 1 or 2, feature exist
In：First inserted sheet and the second inserted sheet are strip inserted sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820308455.3U CN208093914U (en) | 2018-03-07 | 2018-03-07 | A kind of connector for realizing CT secondary side automatic short circuit functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820308455.3U CN208093914U (en) | 2018-03-07 | 2018-03-07 | A kind of connector for realizing CT secondary side automatic short circuit functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208093914U true CN208093914U (en) | 2018-11-13 |
Family
ID=64061660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820308455.3U Active CN208093914U (en) | 2018-03-07 | 2018-03-07 | A kind of connector for realizing CT secondary side automatic short circuit functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208093914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113692A (en) * | 2020-08-27 | 2022-03-01 | 南京南瑞继保工程技术有限公司 | Pluggable test module |
-
2018
- 2018-03-07 CN CN201820308455.3U patent/CN208093914U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113692A (en) * | 2020-08-27 | 2022-03-01 | 南京南瑞继保工程技术有限公司 | Pluggable test module |
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| GR01 | Patent grant |