CN204732777U - A kind of cable line uninterrupted operation system - Google Patents
A kind of cable line uninterrupted operation system Download PDFInfo
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- CN204732777U CN204732777U CN201520293520.6U CN201520293520U CN204732777U CN 204732777 U CN204732777 U CN 204732777U CN 201520293520 U CN201520293520 U CN 201520293520U CN 204732777 U CN204732777 U CN 204732777U
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- quick plug
- switch
- connector
- cable line
- pass unit
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Abstract
The utility model discloses a kind of cable line uninterrupted operation system, by arranging the first by-pass unit, the second by-pass unit and quick plug-in transition joint, can when cable line not power-off, complete the breakdown repair of scheduled overhaul to cable line and cable line.Structure of the present utility model is simple, practical, can guarantee that supply line does not affect the continued power to user in interruption maintenance situation, effectively can improve power supply reliability.
Description
Technical field
The utility model relates to power construction technical field of operation, is specifically related to a kind of cable line uninterrupted operation system.
Background technology
Along with urban construction process fast development and power distribution network is newly-built, the increasing of transformation dynamics, people to scheduled overhaul and breakdown repair time, the requirement that even do not have a power failure of few power failure is more and more higher.The section breaker of current each city distribution network overhead line is few, usually needs whole piece line outage when overhead transmission line maintenance or breakdown repair, or the burst operation troubles of cable line, also needs the longer time to survey and seeks fault point and reparation; The all exigent power supply reliability such as emphasis electric unit or occasion in addition.
For adapting to new model development, electric company must grow with each passing hour and improve constantly technical merit and service quality, promote technological progress and equip upgrading, hit the target fast and overhaul and breakdown repair work, effective solution equipment interruption maintenance and the contradiction to user's uninterrupted power supply, promote safe power supply service quality, meet user's multiple demand, realize electrical network sustainable development establish a firm foundation.
Summary of the invention
The purpose of this utility model is to provide a kind of cable line uninterrupted operation system, by arranging the first by-pass unit, the second by-pass unit and quick plug-in transition joint, can when cable line not power-off, complete the breakdown repair of scheduled overhaul to cable line and cable line.Structure of the present utility model is simple, practical, can guarantee that supply line does not affect the continued power to user in interruption maintenance situation, effectively can improve power supply reliability.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind of cable line uninterrupted operation system, be characterized in, this system comprises:
First by-pass unit, is connected with sending end, insulated wire fault end respectively;
Second by-pass unit, is connected with receiving end, insulated wire fault end respectively;
Quick plug-in transition joint, is connected with described first by-pass unit, the second by-pass unit respectively.
Preferably, described first by-pass unit comprises:
First quick plug-in T connector, one end of described first quick plug-in T connector is connected with described sending end;
First bypass load-switch, one end of described first bypass load-switch is connected with the other end of described first quick plug-in T connector, and the other end of this first bypass load-switch is connected with described insulated wire fault end.
Preferably, described second by-pass unit comprises:
Second quick plug-in T connector, one end of described second quick plug-in T connector is connected with described receiving end;
Second bypass load-switch, one end of described second bypass load-switch is connected with the other end of described second quick plug-in T connector, and the other end of this second bypass load-switch is connected with described insulated wire fault end.
Preferably, the 3rd end of described first quick plug-in T connector is connected with one end of described quick plug-in transition joint, and the 3rd end of described second quick plug-in T connector is connected with the other end of this quick plug-in transition joint.
Preferably, described first bypass load-switch, the second bypass load-switch are vacuum type high voltage load switch; Described quick plug-in transition joint is plug-in type cable joint.
The utility model compared with prior art has the following advantages:
A kind of cable line uninterrupted operation system that the utility model provides, arranges the first by-pass unit, the second by-pass unit and quick plug-in transition joint; Make this system configuration simple, practical, supply line can be made when interruption maintenance can not to affect continued power to user, reduce the scheduled outage time, improve power supply reliability.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of a kind of cable line uninterrupted operation of the utility model system.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the utility model is further elaborated.
As shown in Figure 1, a kind of cable line uninterrupted operation system, this system comprises: the first by-pass unit 10, second by-pass unit 20 and quick plug-in transition joint 30.
Wherein, the first by-pass unit 10 is connected with sending end, insulated wire fault end respectively; Second by-pass unit 20 is connected with receiving end, insulated wire fault end respectively; Quick plug-in transition joint 30, is connected with the first by-pass unit 10, second by-pass unit 20 respectively.
As shown in Figure 1, the first by-pass unit 10 comprises: the first quick plug-in T connector 11, first bypass load-switch 12.One end of first quick plug-in T connector 11 is connected with sending end.One end of first bypass load-switch 12 is connected with the other end of the first quick plug-in T connector 11, and the other end of this first bypass load-switch 12 is connected with insulated wire fault end.
As shown in Figure 1, the second by-pass unit 20 comprises: the second quick plug-in T connector 21, second bypass load-switch 22.One end of second quick plug-in T connector 21 is connected with receiving end; One end of second bypass load-switch 22 is connected with the other end of the second quick plug-in T connector 21, and the other end of this second bypass load-switch 22 is connected with insulated wire fault end.
Wherein, one end of quick plug-in transition joint 30 and the three-terminal link of the first quick plug-in T connector 11, the other end of this quick plug-in transition joint 30 and the three-terminal link of the second quick plug-in T connector 21.
In the present embodiment, the first bypass load-switch 12, second bypass load-switch 22 is vacuum type high voltage load switch.First quick plug-in T connector 11, second quick plug-in T connector 21 all adopts model to be the cable joint of A TT-35/630 type.Quick plug-in transition joint 30 adopts model to be the plug-in type cable joint of JB35/630-50.
A kind of cable line uninterrupted operation system that the utility model provides, specific works principle is as follows:
When breaking down in certain of cable line or when certain needs to overhaul, can be connected with the first bypass load-switch 12, second bypass load-switch 22 respectively at fault place or two ends, Awaiting Overhaul place, be cut off by the power supply of the former circuit of cross-over connection place by the first bypass load-switch 12, second bypass load-switch 22.The other end of the first bypass load-switch 12 is connected with the first quick plug-in T connector 11, and the other end of the second bypass load-switch 22 is connected with the second quick plug-in T connector 21; Make the other two ends of the first quick plug-in T connector 11 be connected with one end of sending end, quick plug-in transition joint 30 respectively simultaneously; The other two ends of the second quick plug-in T connector 21 are connected with the other end of receiving end, quick plug-in transition joint 30 respectively.
Assemble a bypass transmission line at the scene by the first by-pass unit 10, second by-pass unit 20 and quick plug-in transition joint 30 temporarily, be attempted by cross-over connection fault place or two ends, Awaiting Overhaul place, former circuit and bypass power transmission line parallel-connection are run, then cut off by the power supply of the former circuit of cross-over connection by the first bypass load-switch 12, second bypass load-switch 22, and then realize the interruption maintenance to former circuit.
By the cable line uninterrupted operation system using the utility model to provide, when can guarantee that Awaiting Overhaul place or fault place carry out overhaul plan, the continued power to user can not be affected, can effectively reduce the scheduled outage time, power supply reliability is provided.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (3)
1. a cable line uninterrupted operation system, is characterized in that, this system comprises:
First by-pass unit (10), is connected with sending end, insulated wire fault end respectively;
Second by-pass unit (20), is connected with receiving end, insulated wire fault end respectively;
Quick plug-in transition joint (30), is connected with described first by-pass unit (10), the second by-pass unit (20) respectively; Described first by-pass unit (10) comprises:
First quick plug-in T connector (11), one end of described first quick plug-in T connector (11) is connected with described sending end;
First bypass load-switch (12), one end of described first bypass load-switch (12) is connected with the other end of described first quick plug-in T connector (11), and the other end of this first bypass load-switch (12) is connected with described insulated wire fault end; Described second by-pass unit (20) comprises:
Second quick plug-in T connector (21), one end of described second quick plug-in T connector (21) is connected with described receiving end;
Second bypass load-switch (22), one end of described second bypass load-switch (22) is connected with the other end of described second quick plug-in T connector (21), and the other end of this second bypass load-switch (22) is connected with described insulated wire fault end.
2. cable line uninterrupted operation system as claimed in claim 1, it is characterized in that, 3rd end of described first quick plug-in T connector (11) is connected with one end of described quick plug-in transition joint (30), and the 3rd end of described second quick plug-in T connector (21) is connected with the other end of this quick plug-in transition joint (30).
3. cable line uninterrupted operation system as claimed in claim 1, it is characterized in that, described first bypass load-switch (12), the second bypass load-switch (22) are vacuum type high voltage load switch; Described quick plug-in transition joint (30) is plug-in type cable joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520293520.6U CN204732777U (en) | 2015-05-08 | 2015-05-08 | A kind of cable line uninterrupted operation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520293520.6U CN204732777U (en) | 2015-05-08 | 2015-05-08 | A kind of cable line uninterrupted operation system |
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| CN204732777U true CN204732777U (en) | 2015-10-28 |
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| CN201520293520.6U Active CN204732777U (en) | 2015-05-08 | 2015-05-08 | A kind of cable line uninterrupted operation system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546578A (en) * | 2019-01-23 | 2019-03-29 | 浙江华仪电器科技有限公司 | A kind of uninterrupted operation maintenance auxiliary switch assembly and power grid service without power-off method |
| CN109546577A (en) * | 2019-01-23 | 2019-03-29 | 浙江华仪电器科技有限公司 | A kind of uninterrupted operation maintenance auxiliary switch assembly and power grid service without power-off method |
| CN110739685A (en) * | 2019-10-15 | 2020-01-31 | 广州供电局有限公司 | Uninterrupted power operation method for cable type power distribution network |
| CN112242666A (en) * | 2020-09-29 | 2021-01-19 | 浙江大有实业有限公司带电作业分公司 | Method for replacing outgoing cable of line with radial structure |
| CN113162043A (en) * | 2021-05-19 | 2021-07-23 | 西南石油大学 | Intelligent power supply guarantee system for power distribution network |
-
2015
- 2015-05-08 CN CN201520293520.6U patent/CN204732777U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546578A (en) * | 2019-01-23 | 2019-03-29 | 浙江华仪电器科技有限公司 | A kind of uninterrupted operation maintenance auxiliary switch assembly and power grid service without power-off method |
| CN109546577A (en) * | 2019-01-23 | 2019-03-29 | 浙江华仪电器科技有限公司 | A kind of uninterrupted operation maintenance auxiliary switch assembly and power grid service without power-off method |
| CN110739685A (en) * | 2019-10-15 | 2020-01-31 | 广州供电局有限公司 | Uninterrupted power operation method for cable type power distribution network |
| CN112242666A (en) * | 2020-09-29 | 2021-01-19 | 浙江大有实业有限公司带电作业分公司 | Method for replacing outgoing cable of line with radial structure |
| CN112242666B (en) * | 2020-09-29 | 2022-04-19 | 浙江大有实业有限公司带电作业分公司 | Method for replacing outgoing cable of line with radial structure |
| CN113162043A (en) * | 2021-05-19 | 2021-07-23 | 西南石油大学 | Intelligent power supply guarantee system for power distribution network |
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