CN204855568U - Operation low pressure current transformer trouble -locating device - Google Patents
Operation low pressure current transformer trouble -locating device Download PDFInfo
- Publication number
- CN204855568U CN204855568U CN201520450957.6U CN201520450957U CN204855568U CN 204855568 U CN204855568 U CN 204855568U CN 201520450957 U CN201520450957 U CN 201520450957U CN 204855568 U CN204855568 U CN 204855568U
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- China
- Prior art keywords
- guide rail
- insulating bar
- current
- current transformer
- screw rod
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- 230000005611 electricity Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 206010014357 Electric shock Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model relates to an electric power industry trouble -locating device, concretely relates to operation low pressure current transformer trouble -locating device, including 2 insulating bar, the insulating bar bottom is equipped with the handle, the top is equipped with the connecting piece, be equipped with electrically conductive the clamp on the connecting piece, be equipped with the screw hole in the connecting piece, the threaded hole cooperation has the screw rod, be equipped with the sleeve pipe in the insulating bar, the sleeve pipe both ends are connecting screw rod and handle respectively, 2 be equipped with the guide rail between the root insulating bar, the last guide rail connector that is equipped with of insulating bar, the cooperation of guide rail connector is on the track of guide rail, be fixed with the current indicator on the guide rail, through the wire intercommunication between current indicator and the connecting piece, the device is can be safely convenient with the short circuit of current transformer secondary side under the condition of electrification, and keep watch on the change of secondary side electric current through the current indicator, judge whether normal operating of current transformer.
Description
Technical field
The utility model relates to a kind of power industry error checking device, is specifically related to a kind of operation low-voltage current mutual inductor error checking device.
Background technology
Defluidization is through current transformer access electric energy meter most common failure, metering can be caused inaccurate, cause economic loss to power supply enterprise after defluidization.When normal electricity consumption, the reason of table meter defluidization is caused to have the damage of table meter, poor wire connection, electric current secondary loop to connect the reason such as wire break, current transformer damage.When showing meter defluidization, only by macroscopic examination, be difficult to the localization of faults.Supply for low meter metering method for height, measuring apparatus second loop return wiring generally have employed terminal box, can by current return in terminal box two in flakes short circuit get up, the electric current of secondary circuit between terminal box summation current transformer is measured again with clamp reometer, if clamp reometer has electric current to indicate, then illustrate that trouble spot is on terminal box, can do further inspection; If clamp reometer no current indicates, then illustrate that trouble spot is under terminal box, so but damage to the connection wire break between mutual inductor and terminal box or current transformer, then cannot make accurate judgement.To do further inspection when not having a power failure, need directly by secondary winding in current transformer short circuit, measuring circuit electric current, relies on existing instrument to realize.Even if some situation can with the whether conducting of multimeter measure traverse line, but be done both inconvenient reluctantly like this, also there is Danger Electric shock risk.
Utility model content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide a kind of and run low-voltage current mutual inductor error checking device, can safe ready when charged by the short circuit of Current Transformer Secondary side, and the change of secondary side current is monitored by current indicator, judge whether current transformer normally runs.
Operation low-voltage current mutual inductor error checking device described in the utility model, comprise 2 insulating bars, insulating bar bottom is provided with handle, top is provided with web member, web member is provided with conductive clip, is provided with threaded hole in web member, is combined with screw rod in threaded hole, be provided with sleeve pipe in insulating bar, sleeve pipe two ends are connecting screw rod and handle respectively; Be provided with guide rail between 2 insulating bars, insulating bar is equipped with guide rail connector, guide rail connector is engaged on the track of guide rail, and guide rail is fixed with current indicator, is communicated with between current indicator and web member by wire.
Insulating bar adopts sleeve design, pass through rotating operating handle, drive inner layer sleeve rotates, inner layer sleeve top cover has screw rod, by screw-driven, screw rod constantly advances, until clamped by secondary wiring of current mutual inductor terminal, coordinate with conductive clip, realize being connected with the reliable of low-voltage current mutual inductor secondary wiring terminals; Guide rail connector realizes the fixing of insulating bar and current indicator, insulating bar can realize the movement of direction along ng a path, and control lever can be realized rotate at any angle, the requirement under meeting different situations, control lever and secondary wiring of current mutual inductor terminal reliably fixed.
Described guide rail connector comprises abutment ring and is fixed on the traveller on abutment ring, and abutment ring is enclosed within insulating bar, and traveller is engaged on the track of guide rail.
Described conductive clip is straight U-shaped folder or the U-shaped folder of curved formula, design " directly ", " curved " two kinds of U-shaped folders, and conductive clip is connected with insulating bar by web member, can change two kinds of wire clamp according to the different installation form of on-the-spot mutual inductor.
The beneficial effect that the utility model is compared with prior art had is:
Run low-voltage current mutual inductor error checking device to check operating current transformer in charged situation, determine mutual inductor whether normal operation, meet the inspection of current transformer of operation field different model, different installation, easy to operate, accurately can judge whether current transformer normally runs, the concrete reason of further investigation defluidization fault, package unit is safe and reliable, be easy to carry, easy to operate, for Electricity customers and power supply enterprise save fund, there is very high economic benefit, and bring conveniently to work on the spot.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is guide rail connector structural representation;
Fig. 3 is one of conductive clip structure;
Fig. 4 is conductive clip structure two;
Fig. 5 is the practical view of the utility model.
In figure: 1, conductive clip; 2, screw rod; 3, web member; 4, insulating bar; 5, sleeve pipe; 6, guide rail; 7, handle; 8, track; 9, guide rail connector; 10, current indicator; 11, abutment ring; 12, traveller; 13, current transformer pressure line terminal.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As shown in Figure 1, run low-voltage current mutual inductor error checking device and comprise 2 insulating bars 4, insulating bar 4 bottom is provided with handle 7, top is provided with web member 3, web member 3 is provided with conductive clip 1, is provided with threaded hole in web member 3, is combined with screw rod 2 in threaded hole, be provided with sleeve pipe 5 in insulating bar 4, sleeve pipe 5 two ends are connecting screw rod 2 and handle 7 respectively; Be provided with guide rail 6 between 2 insulating bars 4, insulating bar 4 be equipped with guide rail connector 9, guide rail connector 9 is engaged on the track 8 of guide rail 6, guide rail 6 is fixed with current indicator 10, is communicated with between current indicator 10 and web member 3 by wire.
As shown in Figure 2, the traveller 12 that guide rail connector 9 comprises abutment ring 11 and is fixed on abutment ring 11, abutment ring 11 is enclosed within insulating bar 4, and traveller 12 is engaged on the track 8 of guide rail 6.
Conductive clip 1 is straight U-shaped folder (as shown in Figure 4) or the U-shaped folder of curved formula (as shown in Figure 3).
The safe police timberline of black rubber Anti-slip cover as staff can be set on insulating bar 4.
During actual use, as shown in Figure 5, by rotating operating handle 7, the sleeve pipe 5 of internal layer is driven to rotate, inner layer sleeve 5 top is connected with screw rod 2, and by screw-driven, screw rod 2 constantly advances, until current transformer pressure line terminal 13 is clamped, coordinate with conductive clip 1, realize being connected with the reliable of low-voltage current mutual inductor secondary wiring terminals, monitored the change of secondary side current by current indicator 10, judge whether current transformer normally runs, further the concrete reason of investigation defluidization fault; Guide rail connector 9 realizes the fixing of insulating bar 4 and current indicator 10, insulating bar 4 can realize the movement along track 8 direction, and control lever can be realized rotate at any angle, the requirement under meeting different situations, control lever and secondary wiring of current mutual inductor terminal reliably fixed.
Package unit is safe and reliable, is easy to carry, easy to operate, for Electricity customers and power supply enterprise save fund, has very high economic benefit, and brings conveniently to work on the spot.
Claims (3)
1. one kind is run low-voltage current mutual inductor error checking device, it is characterized in that: comprise 2 insulating bars (4), insulating bar (4) bottom is provided with handle (7), top is provided with web member (3), web member (3) is provided with conductive clip (1), web member is provided with threaded hole in (3), screw rod (2) is combined with in threaded hole, be provided with sleeve pipe (5) in insulating bar (4), sleeve pipe (5) two ends are connecting screw rod (2) and handle (7) respectively; Guide rail (6) is provided with between 2 insulating bars (4), guide rail connector (9) insulating bar (4) is equipped with, guide rail connector (9) is engaged on the track (8) of guide rail (6), guide rail (6) is fixed with current indicator (10), is communicated with by wire between current indicator (10) and web member (3).
2. operation low-voltage current mutual inductor error checking device according to claim 1, it is characterized in that: described guide rail connector (9) comprises abutment ring (11) and is fixed on the traveller (12) on abutment ring (11), abutment ring (11) is enclosed within insulating bar (4), and traveller (12) is engaged on the track (8) of guide rail (6).
3. operation low-voltage current mutual inductor error checking device according to claim 1 and 2, is characterized in that: described conductive clip (1) is straight U-shaped folder or the U-shaped folder of curved formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520450957.6U CN204855568U (en) | 2015-06-29 | 2015-06-29 | Operation low pressure current transformer trouble -locating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520450957.6U CN204855568U (en) | 2015-06-29 | 2015-06-29 | Operation low pressure current transformer trouble -locating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204855568U true CN204855568U (en) | 2015-12-09 |
Family
ID=54746106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520450957.6U Active CN204855568U (en) | 2015-06-29 | 2015-06-29 | Operation low pressure current transformer trouble -locating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204855568U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004890A (en) * | 2015-06-29 | 2015-10-28 | 国网山东省电力公司淄博供电公司 | Fault detection device operating low-voltage current transformer |
| CN112630474A (en) * | 2020-12-10 | 2021-04-09 | 广东电网有限责任公司中山供电局 | Integral type area insulating handle's current transformer secondary circuit short circuit instrument |
-
2015
- 2015-06-29 CN CN201520450957.6U patent/CN204855568U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004890A (en) * | 2015-06-29 | 2015-10-28 | 国网山东省电力公司淄博供电公司 | Fault detection device operating low-voltage current transformer |
| CN112630474A (en) * | 2020-12-10 | 2021-04-09 | 广东电网有限责任公司中山供电局 | Integral type area insulating handle's current transformer secondary circuit short circuit instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |