CN207020300U - Large current transducer check system - Google Patents
Large current transducer check system Download PDFInfo
- Publication number
- CN207020300U CN207020300U CN201720742863.5U CN201720742863U CN207020300U CN 207020300 U CN207020300 U CN 207020300U CN 201720742863 U CN201720742863 U CN 201720742863U CN 207020300 U CN207020300 U CN 207020300U
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- current transformer
- current
- conductive
- conductive pole
- leading screw
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Abstract
The utility model large current transducer check system, belongs to transformer detection technique field；The problem of mainly potential safety hazard is larger during solution manual operation, and efficiency is low；Including standard block, power subsystem, conductive pole and tester, the conductive pole includes active conductive post and fixed conductive pole, is characterized in：Also include lifting unit and test cell；The lifting unit includes power set, transmission device, leading screw and guide rod, the leading screw passes through actuator drives by power set, the leading screw is connected with the screw on guide plate, the guide rod passes through the via on guide plate and contact plate, upper and lower ends are separately fixed between the top of outer arch and lifting unit, and the guide plate and active conductive post are affixed；The active conductive post is provided with the middle cavity that can accommodate leading screw, and conductive pole is made up of stranded conductor.The test cell is between standard block and power subsystem, including current transformer platform to be measured and busbar grille door.
Description
Technical field
The utility model belongs to transformer detection technique field, and in particular to large current transducer check system.
Background technology
Domestic great current mutual inductor detection work uses traditional artificial detection at present, and transformer is tested in its verification process
Primary connection needs manual operation, but because subject great current mutual inductor volume is big and heavy, if just needing the people that works during test
Member's processing, potential safety hazard is larger, and efficiency is low, and such a detection mode can not meet testing requirements.
The content of the invention
The technical problem of primary connection when the utility model is solves great current mutual inductor detection, there is provided great current mutual inductor
Verification system.
The utility model is adopted the technical scheme that to solve the problems, such as that prior art is present：
Large current transducer check system, including standard block, power subsystem, conductive pole and tester, the conductive pole
Including active conductive post and fixed conductive pole, it is characterized in：Also include lifting unit and test cell；The lifting unit includes
Power set, transmission device, leading screw and guide rod, the leading screw is by power set by actuator drives, and the leading screw is with leading
Connected to the screw on plate, outer arch is provided with contact plate corresponding with the guide plate, the contact plate passes through flexible circuit conductor
Arrange and connect with top conductive, the guide rod is separately fixed at housing top through the via on guide plate and contact plate, upper and lower ends
Between portion and the top of lifting unit, the guide plate and active conductive post are affixed；The active conductive post is provided with and can accommodated
The middle cavity of leading screw, conductive pole are made up of stranded conductor；
The test cell is between standard block and power subsystem, including current transformer platform to be measured and busbar
Grille door；When needing to be put into current transformer to be measured, busbar grille door is opened, and current transformer to be measured is placed on to be measured
Current transformer platform, busbar grille door are closed, and now, the side wall of busbar and upper and lower on busbar grille door is conductive
Row is in close contact；Conductive pole is through the annular core center of standard current transformer, current transformer to be measured and current lifting device and pushes up
Portion's busbar, bottom conductive row and side wall busbar form galvanic circle；
The standard block is located at the top of housing inner space, and standard current transformer, which is placed in, to be fixed in inside housing
Interlayer board on；The power subsystem includes current lifting device, and power subsystem is located at the bottom of housing inner space, the current lifting device peace
It is placed on the base of outer frame bottom；Fixed conductive pole passes through the annular core center of current lifting device, the lower end and bottom of fixed conductive pole
Portion's busbar connection, in working condition, active conductive post passes through the iron core of standard current transformer and current transformer to be measured
Center, its lower surface and the upper surface of fixed conductive pole are in close contact；The tester connects standard current transformer and treated respectively
Survey the secondary terminals of current transformer；
The standard current transformer, current lifting device and current transformer to be measured use toroidal core structures.
The transmission device is worm gear device.
The utility model compared with prior art, has the advantages that：
Compression wiring is automatically controlled using primary connection, improves wiring efficiency, using frame-type grid conducting copper, is had
Increasing heat radiation area is imitated, device service life is improved, eliminates safe hidden trouble.The utility model is applicable 40kA and the big electricity of the above
Detection, the verification of current transformer.
Brief description of the drawings
Fig. 1 is utility model works view；
Fig. 2 is structural representation when the utility model is not loaded into current transformer to be measured；
Fig. 3 is structural representation of the present utility model.
In figure：1-power set；1-1-transmission device；2-leading screw；3-guide rod；4-flexible circuit conductor；5-top conductive
Row；6-standard current transformer；7-side wall busbar；8-middle cavity；9-active conductive post；10-tester；11-electricity
Source input；12-bottom conductive is arranged；13-fix conductive pole；14-current lifting device；15-current transformer to be measured；16-outer
Frame；17-contact plate；18-guide plate；19-lifting unit；20-standard block；21-busbar grille door；22-power supply
Unit.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, large current transducer check system, including standard block 20, power subsystem 22, lead
Electric post and tester 10, the conductive pole include active conductive post 9 and fixed conductive pole 13, are characterized in：It is single also to include lifting
Member 19 and test cell；The lifting unit 19 includes power set 1, transmission device 1-1, leading screw 2 and guide rod 3, the leading screw 2
Driven by power set 1 by transmission device 1-1, the leading screw 2 is connected with the screw on guide plate 18, is set at the top of housing 16
Contact plate 17 corresponding with the guide plate 18 is equipped with, the contact plate 17 is connected by flexible circuit conductor 4 and top conductive row 5, described
Guide rod 3 is separately fixed at the top of outer arch and lifting unit through the via on guide plate 18 and contact plate 17, upper and lower ends
Between portion, the guide plate 18 and active conductive post 9 are affixed；The active conductive post 9, which is provided with, can accommodate the hollow of leading screw 2
Chamber 8, conductive pole is made up of stranded conductor；The guide plate 18 is combined closely in the presence of leading screw 2 with the contact plate 17, with
Just it is sufficiently conducting；
As shown in figure 3, the test cell is between standard block 20 and power subsystem 22, including Current Mutual Inductance to be measured
Device platform and busbar grille door 21；When needing to be put into current transformer 15 to be measured, busbar grille door 21 is opened, will be to be measured
Current transformer 15 is placed on current transformer platform to be measured, then busbar grille door 21 is closed, now, busbar grille door
The side wall busbar 7 of busbar and upper and lower on 21 is in close contact；Conductive pole passes through standard current transformer 6, electric current to be measured
The annular core center of transformer 15 and current lifting device 14, with top conductive row 5, bottom conductive row 12 and side wall busbar 7 form
Galvanic circle；
The standard block 20 is located at the top of the inner space of housing 16, and standard current transformer 6 is placed in inside housing
Interlayer board on；The power subsystem 22 includes current lifting device 14, and it is located at the bottom of the inner space of housing 16, and current lifting device 14 is laid
On the base of the bottom of housing 16；Fixed conductive pole 13 passes through the annular core center of current lifting device 14, the lower end of fixed conductive pole
It is connected with bottom conductive row 12, in working condition, active conductive post 9 passes through standard current transformer 6 and Current Mutual Inductance to be measured
The core center of device 15, its lower surface and the upper surface of fixed conductive pole 13 are in close contact；The tester 10 connects standard respectively
The secondary terminals of current transformer 6 and current transformer to be measured 15；
The standard current transformer 6, current lifting device 14 and current transformer to be measured 15 use toroidal core structures.
The transmission device 1-1 is worm gear device.
The course of work and principle：
During utility model works, current transformer 15 to be measured is positioned on current transformer platform to be measured first, its
The center of fixation conductive pole 13 below the central aperture of annular core, so that active conductive post 9 is accurately aimed at fixed conduction
Post 13 is simultaneously in close contact, and closes busbar grille door 21, starts power set 1, and now leading screw 2 rotates so that active conductive post 9
Move down, until its lower end passes through the iron core of current transformer 15 to be measured, and be in close contact with fixed conductive pole 13, meanwhile, it is described
Guide plate 18 is combined closely in the presence of leading screw 2 with the contact plate 17, so as to sufficiently conducting；Power set stop motion；
Powered up to current lifting device 14 by power input 11, now, in the loop be made up of conductive pole, busbar, produced required big
Electric current, now, you can functional check instrument 10 is tested.Current transformer 15 to be measured can utilize fork truck, and guide rail car is laid.
Claims (3)
1. large current transducer check system, including standard block (20), power subsystem (22), conductive pole and tester (10),
The conductive pole includes active conductive post (9) and fixed conductive pole (13), it is characterized in that：Also include lifting unit (19) and test
Unit；The lifting unit (19) includes power set (1), transmission device (1-1), leading screw (2) and guide rod (3), the leading screw
(2) being driven by power set (1) by transmission device (1-1), the leading screw (2) is connected with the screw on guide plate (18),
Contact plate (17) corresponding with the guide plate (18) is provided with the top of housing (16), the contact plate (17) passes through flexible circuit conductor (4)
Connected with top conductive row (5), the guide rod (3) is divided through the via on guide plate (18) and contact plate (17), upper and lower ends
It is not fixed between the top of outer arch and lifting unit, the guide plate (18) and active conductive post (9) are affixed；The work
Moving conductive post (9) is provided with the middle cavity (8) that can accommodate leading screw (2), and conductive pole is made up of stranded conductor；The guide plate (18)
Combined closely in the presence of leading screw (2) with the contact plate (17), so as to sufficiently conducting；
The test cell is located between standard block (20) and power subsystem (22), including current transformer platform to be measured and leads
Electricity row's grille door (21)；When needing to be put into current transformer to be measured (15), busbar grille door (21) is opened, by electric current to be measured
Transformer (15) is placed on current transformer platform to be measured, then busbar grille door (21) is closed, now, busbar grille door
(21) the side wall busbar (7) of busbar and upper and lower on is in close contact；Conductive pole passes through standard current transformer (6), treated
Survey the annular core center of current transformer (15) and current lifting device (14), arrange (12) and side with top conductive row (5), bottom conductive
Wall busbar (7) forms galvanic circle；
The standard block (20) is located at the top of housing (16) inner space, and standard current transformer (6) is placed in outer inframe
On the interlayer board in portion；The power subsystem (22) includes current lifting device (14), and it is located at the bottom of housing (16) inner space, up-flow
Device (14) is placed on the base of housing (16) bottom；Fixed conductive pole (13) passes through the annular core center of current lifting device (14),
The lower end of fixed conductive pole is connected with bottom conductive row (12), and in working condition, active conductive post (9) is mutual through normalized current
The core center of sensor (6) and current transformer to be measured (15), its lower surface and the upper surface of fixed conductive pole (13) closely connect
Touch；The tester (10) connects the secondary terminals of standard current transformer (6) and current transformer to be measured (15) respectively.
2. large current transducer check system according to claim 1, it is characterized in that：The standard current transformer (6),
Current lifting device (14) and current transformer to be measured (15) use toroidal core structures.
3. large current transducer check system according to claim 1, it is characterized in that：The transmission device (1-1) is snail
Worm and gear device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720742863.5U CN207020300U (en) | 2017-06-25 | 2017-06-25 | Large current transducer check system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720742863.5U CN207020300U (en) | 2017-06-25 | 2017-06-25 | Large current transducer check system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207020300U true CN207020300U (en) | 2018-02-16 |
Family
ID=61486042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720742863.5U Active CN207020300U (en) | 2017-06-25 | 2017-06-25 | Large current transducer check system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207020300U (en) |
-
2017
- 2017-06-25 CN CN201720742863.5U patent/CN207020300U/en active Active
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