CN204947362U - A kind of overlap-connected ring main unit structure - Google Patents

A kind of overlap-connected ring main unit structure Download PDF

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Publication number
CN204947362U
CN204947362U CN201520691629.5U CN201520691629U CN204947362U CN 204947362 U CN204947362 U CN 204947362U CN 201520691629 U CN201520691629 U CN 201520691629U CN 204947362 U CN204947362 U CN 204947362U
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China
Prior art keywords
load switch
bypass
distribution line
connecting port
cabinet
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CN201520691629.5U
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Chinese (zh)
Inventor
曹先平
薛为佳
江东君
李伟林
王爽
李锐
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Zhaotong Power Supply Bureau of Yunnan Power Grid Co Ltd
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Zhaotong Power Supply Bureau of Yunnan Power Grid Co Ltd
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Abstract

The utility model relates to line maintenance technical field, refer in particular to a kind of overlap-connected ring main unit structure, comprise cabinet, bus-bar room is provided with in cabinet, connect the on-load switch of bypass connecting port, connect the on-load switch of distribution line, earthed switch, control room and operating mechanism, cabinet outer wall is provided with dividing plate blocking mechanism, dividing plate blocking mechanism is arranged with the on-load switch connecting bypass connecting port is corresponding with the on-load switch connecting distribution line respectively, the bus of bus-bar room is electrically connected on the on-load switch and the on-load switch being connected distribution line that connect bypass connecting port, the on-load switch connecting bypass connecting port is electrically connected on earthed switch with the on-load switch being connected distribution line.The utility model adopts such vibrational power flow, effectively reduces the flow process of bypass operation, shortens interruption duration, and adopts lock operation mode, increases the fail safe of operating process.

Description

A kind of overlap-connected ring main unit structure
Technical field
The utility model relates to line maintenance technical field, refers in particular to a kind of overlap-connected ring main unit structure.
Background technology
Along with urbanization paces are accelerated, the application of cable in urban distribution network is also further extensive, because cable line fault has paroxysmal feature, once fault will cause regional power failure, brings very large impact to power supply reliability and good service work.How fast processing is carried out to failure cable, restore electricity as early as possible and become electric company of basic unit demand urgent at present.In order to solve the problem, Chinese patent CN102403779A discloses a kind of bypass uninterrupted operation electric power system, described bypass power supply cable builds temporary transmission circuit by fast insert-pull T connector, fast insert-pull transition joint, bypass cable, cross-over connection Awaiting Overhaul and fault wire section, operated by on-load switch, make former circuit and by-pass line parallel running, then disconnect former line power, the service work under making client enter power down mode under the state do not had a power failure or have a power failure in short-term.But this operating process need be carried out load separating brake, contact of earth, unlatching casing, insert the sequence of operations such as fast insert-pull T connector ring main unit, then carries out corresponding actions to bypass load-switch, and operation is too complicated, bothers very much.
Utility model content
For above problem, the utility model provides a kind of overlap-connected ring main unit structure, and it reduces the flow process of bypass operation by equipment connection modes, shortens interruption duration, and adopts lock operation mode, increases the fail safe of operating process.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of overlap-connected ring main unit structure, comprise cabinet, bus-bar room is provided with in cabinet, connect the on-load switch of bypass connecting port, connect the on-load switch of distribution line, earthed switch, control room and operating mechanism, cabinet outer wall is provided with dividing plate blocking mechanism, dividing plate blocking mechanism is arranged with the on-load switch connecting bypass connecting port is corresponding with the on-load switch connecting distribution line respectively, the bus of bus-bar room is electrically connected on the on-load switch and the on-load switch being connected distribution line that connect bypass connecting port, the on-load switch connecting bypass connecting port is electrically connected on earthed switch with the on-load switch being connected distribution line.
According to above scheme, described dividing plate blocking mechanism is provided with stainless steel separator and bypass cable and plugs into jack, the on-load switch connecting bypass connecting port is connected to bypass cable by bypass cable jack of plugging into, and the on-load switch connecting distribution line is connected to distribution cable by bypass cable jack of plugging into.
According to above scheme, the on-load switch of described connection bypass connecting port is fuse combined electric apparatus with the on-load switch being connected distribution line.
According to above scheme, upper inner chamber and lower inner cavity is become by baffle for separating in described cabinet, bus-bar room and control room are located at inner chamber on cabinet, connect the on-load switch of bypass connecting port, the on-load switch connecting distribution line, earthed switch and operating mechanism and are located at cabinet lower inner cavity.
According to above scheme, described dividing plate is provided with interface, and the bus of bus-bar room is electrically connected on the on-load switch and the on-load switch being connected distribution line that connect bypass connecting port by interface.
According to above scheme, described cabinet outer wall is also provided with charged display and cabinet intraoral illumination button.
The utility model beneficial effect:
1, the utility model is connected to the on-load switch of connection bypass connecting port and the on-load switch being connected distribution line by utilizing the earthed switch in cabinet, the on-load switch connecting bypass connecting port is electrically connected on bus and the bypass cable of bus-bar room, connect bus and distribution cable that the on-load switch of distribution line is electrically connected on bus-bar room, thus realize not having a power failure or interruption maintenance in short-term of distribution cable;
2, the utility model is provided with stainless steel separator and bypass cable and plugs into jack on dividing plate blocking mechanism, utilizes corrosion resistant plate to isolate, and inserting after bypass cable joint can operational load switch connection bus and bypass cable, effectively avoids mispluging pulling out;
3, the utility model has shovel to reduce the flow process of bypass operation, shortens interruption duration, and adopts lock operation mode, increases the fail safe of operating process.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure figure;
Fig. 2 is the on-load switch combined floodgate schematic diagram that the utility model connects bypass connecting port;
Fig. 3 is the on-load switch combined floodgate schematic diagram that the utility model connects distribution line.
1, bus-bar room; 2, the on-load switch of bypass connecting port is connected; 3, the on-load switch of distribution line is connected; 4, earthed switch; 5, control room; 6, operating mechanism; 7, dividing plate blocking mechanism; 8, cabinet intraoral illumination button; 9, dividing plate; 10, cabinet.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the technical solution of the utility model is described.
As shown in Figure 1, the overlap-connected ring main unit structure of one described in the utility model, comprise cabinet 10, bus-bar room 1 is provided with in cabinet 10, connect the on-load switch 2 of bypass connecting port, connect the on-load switch 3 of distribution line, earthed switch 4, control room 5 and operating mechanism 6, cabinet 10 outer wall is provided with dividing plate blocking mechanism 7, dividing plate blocking mechanism 7 is arranged with the on-load switch 2 connecting bypass connecting port is corresponding with the on-load switch 3 connecting distribution line respectively, the bus of bus-bar room 1 is electrically connected on the on-load switch 2 and the on-load switch 3 being connected distribution line that connect bypass connecting port, the on-load switch 2 connecting bypass connecting port is electrically connected on earthed switch 4 with the on-load switch 3 being connected distribution line.
The above forms the utility model basic structure.
The on-load switch 2 of connection bypass connecting port described in the utility model, the on-load switch 3 connecting distribution line, earthed switch 4 all adopt PLC to control.
As shown in Figure 2, the 2-in-1 lock of on-load switch of connection bypass connecting port described in the utility model has three grades of lockings, when dividing plate blocking mechanism 7 be in plug into state time, open first order locking, a-signal is in high level, second level locking is opened after earthed switch 4 closes a floodgate, B signal is in high level, when earthed switch 4 is in gate-dividing state, open third level locking, C signal is in high level, when A/B/C tri-road signal is all in high level, is now operatively connected the 2-in-1 lock of on-load switch of bypass connecting port; On-load switch 2 separating brake connecting bypass connecting port has one-level locking, during earthed switch 4 gate-dividing state, opens locking, is now operatively connected on-load switch 2 separating brake of bypass connecting port.
As shown in Figure 3, the on-load switch 3 of connection distribution line described in the utility model closes a floodgate and has secondary locking, first order locking is opened after earthed switch 4 closes a floodgate, B signal is in high level, when earthed switch 4 is in gate-dividing state, open second level locking, C signal is in high level, when B/C bis-road signal is all in high level, the on-load switch 3 being now operatively connected distribution line closes a floodgate, on-load switch 3 separating brake connecting distribution line has one-level locking, when earthed switch 4 is in gate-dividing state, open locking, now be operatively connected on-load switch 3 separating brake of distribution line.
Earthed switch 4 described in the utility model is when the on-load switch 2 connecting bypass connecting port is all in gate-dividing state with the on-load switch 3 being connected distribution line, and side can carry out separating brake and closing operation.
Utility model works principle: when Quick overhaul operation will be carried out, first bypass operation cable is inserted to dividing plate blocking mechanism 7, sub-switching operation is carried out to the on-load switch 3 connecting distribution line, earthed switch 4 closes a floodgate, and then separating brake, on-load switch 2 locking now connecting bypass connecting port is all opened, and can carry out closing operation, transfer a load onto on bypass cable, the service work of distribution network cable can be carried out.
More specifically, described dividing plate blocking mechanism 7 is provided with stainless steel separator and bypass cable and plugs into jack, the on-load switch 2 connecting bypass connecting port is connected to bypass cable by bypass cable jack of plugging into, and the on-load switch 3 connecting distribution line is connected to distribution cable by bypass cable jack of plugging into.
More specifically, the on-load switch 2 of described connection bypass connecting port is fuse combined electric apparatus with the on-load switch 3 being connected distribution line.
More specifically, upper inner chamber and lower inner cavity is separated into by dividing plate 9 in described cabinet 10, bus-bar room 1 and control room 5 are located at inner chamber on cabinet 10, connect the on-load switch 2 of bypass connecting port, the on-load switch 3 connecting distribution line, earthed switch 4 and operating mechanism 6 and are located at cabinet 10 lower inner cavity.
More specifically, described dividing plate 9 is provided with interface, and the bus of bus-bar room 1 is electrically connected on the on-load switch 2 and the on-load switch 3 being connected distribution line that connect bypass connecting port by interface.
More specifically, described cabinet 10 outer wall is also provided with charged display and cabinet intraoral illumination button 8.Adopt such vibrational power flow, easy access.
Be more than the utility model preferably execution mode, the utility model those skilled in the art can also change above-mentioned execution mode and revise.Therefore, the utility model is not limited to above-mentioned embodiment, and any apparent improvement that every those skilled in the art do on basis of the present utility model, replacement or modification all belong to protection range of the present utility model.

Claims (6)

1. an overlap-connected ring main unit structure, comprise cabinet (10), it is characterized in that: in described cabinet (10), be provided with bus-bar room (1), connect the on-load switch (2) of bypass connecting port, connect the on-load switch (3) of distribution line, earthed switch (4), control room (5) and operating mechanism (6), described cabinet (10) outer wall is provided with dividing plate blocking mechanism (7), described dividing plate blocking mechanism (7) respectively with connect the on-load switch (2) of bypass connecting port and connect that the on-load switch (3) of distribution line is corresponding to be arranged, the bus of described bus-bar room (1) is electrically connected on the on-load switch (2) and the on-load switch (3) being connected distribution line that connect bypass connecting port, the on-load switch (2) of described connection bypass connecting port is electrically connected on earthed switch (4) with the on-load switch (3) being connected distribution line.
2. a kind of overlap-connected ring main unit structure according to claim 1, it is characterized in that: described dividing plate blocking mechanism (7) is provided with stainless steel separator and bypass cable and plugs into jack, the on-load switch (2) of described connection bypass connecting port is connected to bypass cable by bypass cable jack of plugging into, and the on-load switch (3) of described connection distribution line is connected to distribution cable by bypass cable jack of plugging into.
3. a kind of overlap-connected ring main unit structure according to claim 1, is characterized in that: the on-load switch (2) of described connection bypass connecting port is fuse combined electric apparatus with the on-load switch (3) being connected distribution line.
4. a kind of overlap-connected ring main unit structure according to claim 1, it is characterized in that: in described cabinet (10), be separated into inner chamber and lower inner cavity by dividing plate (9), described bus-bar room (1) and control room (5) are located at the upper inner chamber of cabinet (10), and the on-load switch (2) of described connection bypass connecting port, the on-load switch (3) connecting distribution line, earthed switch (4) are located at cabinet (10) lower inner cavity with operating mechanism (6).
5. a kind of overlap-connected ring main unit structure according to claim 4, it is characterized in that: described dividing plate (9) is provided with interface, the bus of described bus-bar room (1) is electrically connected on the on-load switch (2) and the on-load switch (3) being connected distribution line that connect bypass connecting port by interface.
6. a kind of overlap-connected ring main unit structure according to claim 1, is characterized in that: described cabinet (10) outer wall is also provided with charged display and cabinet intraoral illumination button (8).
CN201520691629.5U 2015-09-08 2015-09-08 A kind of overlap-connected ring main unit structure Active CN204947362U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520691629.5U CN204947362U (en) 2015-09-08 2015-09-08 A kind of overlap-connected ring main unit structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520691629.5U CN204947362U (en) 2015-09-08 2015-09-08 A kind of overlap-connected ring main unit structure

Publications (1)

Publication Number Publication Date
CN204947362U true CN204947362U (en) 2016-01-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105140791A (en) * 2015-09-08 2015-12-09 云南电网有限责任公司昭通供电局 Connection type ring main unit structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105140791A (en) * 2015-09-08 2015-12-09 云南电网有限责任公司昭通供电局 Connection type ring main unit structure
CN105140791B (en) * 2015-09-08 2018-03-16 云南电网有限责任公司昭通供电局 A kind of overlap-connected looped network cabinet

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