CN209215463U - A kind of voltage of power mutual inductor of girdle tests Wiring port - Google Patents
A kind of voltage of power mutual inductor of girdle tests Wiring port Download PDFInfo
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- CN209215463U CN209215463U CN201821507603.0U CN201821507603U CN209215463U CN 209215463 U CN209215463 U CN 209215463U CN 201821507603 U CN201821507603 U CN 201821507603U CN 209215463 U CN209215463 U CN 209215463U
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- voltage
- mutual inductor
- terminal body
- instrument connection
- power mutual
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Abstract
The utility model discloses a kind of voltage of power mutual inductors of girdle tests Wiring port, it is related to voltage of power mutual inductor field, operation frequently is carried out to secondary terminals when carrying out preventive trial to mutual inductor for the prior art and wastes the very big time and efforts of testing crew, also often occur screw simultaneously and twists flower, even secondary windings of PT body terminal is damaged by top, scene can not repair, the problem of causing entire voltage transformer to need integral replacing, using the scheme for adding instrument connection in original terminal upper side.When carrying out parsing test, it is only necessary to DCC power test conducting wire are inserted into instrument connection, do not need to unscrew connecting screw nail with screwdriver or spanner; it dismantles also very convenient; the program only needs to be transformed on existing equipment, and structure is simple, easy to operate; it is low in cost; reliable operation effectively improves testing crew working efficiency, saves test period; it can prevent voltage of power mutual inductor from artificially damaging or damaging simultaneously, protect equipment safety.
Description
Technical field
The utility model relates to voltage of power mutual inductor field, in particular to a kind of voltage of power of girdle tests Wiring port
Mutual inductor.
Background technique
Voltage transformer (Potential transformer abbreviation PT, Voltage transformer also abbreviation VT)
It is similar with transformer, it is the instrument of the voltage on conversion line.Voltage transformer voltage of transformation is primarily used to measurement
Instrument and protective relaying device power supply for measuring the voltage, power and electric energy of route, or are used in line failure
Expensive equipment, motor and transformer in protection circuit, therefore the capacity very little of voltage transformer, generally all only several volt-amperes,
It is tens volt-amperes, maximum to be also no more than one kilovolt-ampere.
Only one general Wiring port of voltage of power mutual inductor secondary winding body terminal, the port have spiral shell at present
Line, as shown in Figure 1, offering threaded hole 2 in terminal body 1,1 one end of terminal body is connect as with external secondary loop circuit
Port, 1 other end of terminal body and mutual inductor secondary winding are electrically connected, are returned voltage transformer external secondary by screw
Road wiring is connected and fixed with secondary windings of PT.When voltage transformer is out of service to carry out preventive trial, need
It unscrews after screw gets rid of former second loop return wiring and accesses test wire, and screw down.It needs to unscrew spiral shell again after the completion of test
Silk tightens the former wiring of screw recovery after getting rid of test connection.The process wastes the very big time and efforts of testing crew, simultaneously
Also often there is screw and twist flower or even secondary windings of PT body terminal by top damage, scene can not repair, cause whole
The phenomenon that a voltage transformer needs integral replacing.
Utility model content
The utility model provides a kind of voltage of power mutual inductor of girdle tests Wiring port, to solve the prior art to mutual
Operation frequently is carried out to secondary terminals when sensor carries out preventive trial and wastes the very big time and efforts of testing crew, simultaneously
Also often there is screw and twist flower or even secondary windings of PT body terminal by top damage, scene can not repair, cause whole
The phenomenon that a voltage transformer needs integral replacing.
It is realized to solve the above problems, the utility model adopts the following technical solution:
A kind of voltage of power mutual inductor of girdle tests Wiring port, including first winding, first winding terminals, it is secondary around
Group, secondary winding connecting terminal and transformer housing, the secondary winding connecting terminal include terminal body, threaded hole, survey
Prospect hole；
The terminal body offers threaded hole, and terminal body one end passes through screw as the port connecting with external circuit
Nail or bolt are connect with external circuit, and the terminal body other end and the secondary winding are electrically connected；
The terminal body side is provided with instrument connection.
When carrying out parsing test, it is only necessary to DCC power test conducting wire are inserted into instrument connection, do not need to use screw
Knife or spanner unscrew connecting screw nail, and disassembly is also very convenient, and the program only needs to be transformed on existing equipment, knot
Structure is simple, easy to operate, low in cost, reliable operation, effectively improves testing crew working efficiency, saves test period, simultaneously
It can prevent voltage of power mutual inductor from artificially damaging or damaging, protect equipment safety.
Preferably, the terminal body is made of electrically conductive cylinder material；
Tapped through hole is offered in the terminal body, the terminal body radially offers instrument connection.
Preferably, the terminal body side is provided with test bench, offers instrument connection on the test bench.
The contact area and stability of DCC power test conducting wire can be increased by increasing test bench.
Preferably, the test bench is located in the middle part of the terminal body, the instrument connection through test bench and with it is described
Threaded hole connection.
Preferably, the instrument connection is circular hole.
Instrument connection is that circular hole is easy to process and can match with test lead.
The utility model can be easy to operate practical in voltage of power mutual inductor preventive trial, effectively improves testing crew
Working efficiency saves test period, while can prevent voltage of power mutual inductor from artificially damaging or damaging, and protects equipment safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing voltage of power mutual inductor secondary side connecting terminal；
Fig. 2 is embodiment main view provided by the utility model；
Fig. 3 is embodiment perspective view provided by the utility model；
In figure, each label is respectively indicated: terminal body 1, threaded hole 2, test bench 3, instrument connection 4.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, implement below in conjunction with the utility model
Fig. 1 ~ 3 in example, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described reality
Applying example is the utility model a part of the embodiment, instead of all the embodiments.Usually it is described and illustrated herein in the accompanying drawings
The detailed description of the embodiments of the present invention is not intended to limit the range of claimed invention, but only table
Show the selected embodiment of the utility model.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, fall within the protection scope of the utility model.
As shown in Fig. 1 ~ 3, a kind of voltage of power mutual inductor of girdle tests Wiring port, on the basis of existing mutual inductor slightly
Improvement mainly includes first winding, first winding terminals, secondary winding, secondary winding connecting terminal and mutual inductance
Device shell, secondary winding connecting terminal include terminal body 1, threaded hole 2, instrument connection 4.Terminal body 1 is made of copper product,
And be cylindrical structure, threaded hole 2 is inside offered, 1 one end of terminal body passes through spiral shell as the port connecting with external circuit
Adjusting screw or bolt are connect with external circuit, and 1 other end of terminal body and secondary winding are electrically connected.1 side of terminal body is fixed
It is provided with test bench 3, instrument connection 4 is offered on test bench 3.Test bench 3 is located at the middle part of terminal body 1, and instrument connection 4 is through survey
Examination seat 3 is simultaneously connected to threaded hole 2, and instrument connection 4 is circular hole, can be plugged convenient for DCC power test wire head.
Above-mentioned secondary winding connecting terminal contains two external cabling mouths, and wherein threaded hole 2 is adopted for existing market to be existing
With the screw compression joint type mode of connection, voltage secondary circuit wiring when being operated normally for voltage transformer；Instrument connection 4 is this implementation
Example design is increased to use direct plug-in mode of connection port, for testing secondary circuit when voltage transformer preventive trial
Wiring, the port are dead end mouth, no wiring when voltage transformer operates normally.
It when normal wiring as existing mutual inductor, is fixed by screw or bolt, is needing to carry out parsing examination
When testing, it is only necessary to DCC power test conducting wire are inserted into instrument connection 4, do not need to unscrew connection spiral shell with screwdriver or spanner
Adjusting screw, disassembly is also very convenient, and the program only needs to be transformed on existing equipment, and structure is simple, easy to operate, cost
Cheap, reliable operation effectively improves testing crew working efficiency, saves test period, while can prevent voltage of power mutual inductor
Artificial damage or damage, protect equipment safety.
Claims (5)
1. a kind of voltage of power mutual inductor of girdle tests Wiring port, including first winding, first winding terminals, it is secondary around
Group, secondary winding connecting terminal and transformer housing, it is characterised in that:
The secondary winding connecting terminal includes terminal body (1), threaded hole (2), instrument connection (4)；
The terminal body (1) offers threaded hole (2), and terminal body (1) one end is logical as the port connecting with external circuit
It crosses screw or bolt is connect with external circuit, terminal body (1) other end and the secondary winding are electrically connected；
Terminal body (1) side is provided with instrument connection (4).
2. a kind of voltage of power mutual inductor of girdle tests Wiring port according to claim 1, it is characterised in that:
The terminal body (1) is made of electrically conductive cylinder material；
Tapped through hole is offered in the terminal body (1), the terminal body (1) radially offers instrument connection (4).
3. a kind of voltage of power mutual inductor of girdle tests Wiring port according to claim 1, it is characterised in that:
Terminal body (1) side is provided with test bench (3), offers instrument connection (4) on the test bench (3).
4. a kind of voltage of power mutual inductor of girdle tests Wiring port according to claim 3, it is characterised in that:
The test bench (3) is located in the middle part of the terminal body (1), the instrument connection (4) through test bench (3) and with it is described
Threaded hole (2) connection.
5. a kind of voltage of power mutual inductor of described in any item girdle tests Wiring ports, feature exist according to claim 1 ~ 4
In:
The instrument connection (4) is circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821507603.0U CN209215463U (en) | 2018-09-14 | 2018-09-14 | A kind of voltage of power mutual inductor of girdle tests Wiring port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821507603.0U CN209215463U (en) | 2018-09-14 | 2018-09-14 | A kind of voltage of power mutual inductor of girdle tests Wiring port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209215463U true CN209215463U (en) | 2019-08-06 |
Family
ID=67454151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821507603.0U Active CN209215463U (en) | 2018-09-14 | 2018-09-14 | A kind of voltage of power mutual inductor of girdle tests Wiring port |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209215463U (en) |
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2018
- 2018-09-14 CN CN201821507603.0U patent/CN209215463U/en active Active
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