CN203118849U - Bypass isolation switch - Google Patents
Bypass isolation switch Download PDFInfo
- Publication number
- CN203118849U CN203118849U CN 201320049101 CN201320049101U CN203118849U CN 203118849 U CN203118849 U CN 203118849U CN 201320049101 CN201320049101 CN 201320049101 CN 201320049101 U CN201320049101 U CN 201320049101U CN 203118849 U CN203118849 U CN 203118849U
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- Prior art keywords
- conduction
- arc
- disconnecting link
- pedestal
- contact
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Abstract
The utility model discloses a bypass isolation switch comprising a pedestal, two wiring boards, insulators, two conductive switches, and a switch latch. The two wiring boards are fixedly disposed on the pedestal, and the connection between the two wiring boards and the pedestal can be realized by using the insulators. One end of each of the two conductive switches is a fixed end, and the other end is a movable end. The fixed ends of the two conductive switches are parallely disposed on the pedestal by shafts, and the connection between the conductive switches and the pedestal can be realized by using the insulators. The switch latch is disposed on the movable ends of the two conductive switches by a shaft 2. When the switch latch is closed, the movable ends of the two conductive switches are respectively connected with the two wiring boards, and the two wiring boards are disconnected from each other. When the switches are disconnected, the two wiring boards are connected, and the movable ends of the two conductive switches are respectively disconnected from the two wiring boards.
Description
Technical field
The utility model relates to the transmission of electricity distribution product technical field of electric power electric, is specifically related to a kind of bypass isolating switch.
Background technology
Some functional units that insert in the existing distribution network or equipment need periodic maintenance or verification, as circuit breaker, and on-load switch, voltage, current regulator etc.And maintenance or verification operation must be applied for the local power failure of circuit in advance, by front and back level switching manipulation equipment are separated from circuit and are carried out verification again, both expended time in, and the outage loss are bigger.
Upkeep operation for this kind equipment, level switch separating brake device powers down is separated from system, but this just requires at first must have in this equipment prime the Switch equipment of load operation before and after at first need relying on, far away as higher level's switch distance, can cause than large-area power-cuts when then overhauling.And after overhaul of the equipments or safeguarding, also need according to operation procedure, the level switch restores electricity before and after the operation successively.Have a strong impact on stability and the reliability of power supply, for social production, resident living are brought very big inconvenience.
Summary of the invention
In order to overcome above-mentioned technical problem, the technical scheme that the utility model proposes is:
A kind of bypass isolating switch is provided, comprises pedestal, terminal block, insulator, conduction disconnecting link, disconnecting link door bolt; Described terminal block is two and is fixedly arranged on described pedestal, all is connected by insulator between described two terminal blocks and the described pedestal; Described conduction disconnecting link is that two and homogeneous end are movable end for the stiff end other end, and the stiff end of described two conduction disconnecting links all is arranged at described pedestal side by side by axle one, all is connected by insulator between described conduction disconnecting link and the described pedestal; Described disconnecting link door bolt is arranged at the movable end of described two conduction disconnecting links by axle two; When described disconnecting link door bolt was closed, the movable end of described two conduction disconnecting links connected described two terminal blocks respectively, is off-state between described two terminal blocks; When described disconnecting link door bolt disconnects, be connection status between described two terminal blocks, the movable end of described two conduction disconnecting links disconnects with described two terminal blocks respectively.
As the further improved bypass isolating switch of the utility model, also comprise column, an end of described column is fixedly arranged on described pedestal, and described insulator all is fixedly arranged on the other end of described column.The bypass isolating switch of described structure is applicable in the electric power system that is installed in the power station.
As the further improved bypass isolating switch of the utility model, described disconnecting link door bolt comprises draw ring, conductor block, contact plate; Described axle two two ends respectively are provided with an installation foot, and described two installation feet are arranged at the movable end of described two conduction disconnecting links respectively, and described draw ring is movably set in described axle two; Described contact plate is two and is connected with described two terminal blocks conduction respectively, and described conductor block is movably set in arbitrary described terminal block by axle three and between described two contact plates.
As the further improved bypass isolating switch of the utility model, described conductor block is copper silver-plated baffle.
As the further improved bypass isolating switch of the utility model, also comprise arc-control device, described arc-control device comprises arc-extinguish chamber, the arc leading and suppressing body, the striking contact, described arc leading and suppressing body one end is fixedly arranged on described terminal block and is connected with described terminal block conduction, it is external that described arc-extinguish chamber parcel is arranged at described arc leading and suppressing, described striking contact is arranged at described arc-extinguish chamber and can rotates, described striking contact one end is positioned at described arc-extinguish chamber and is connected with described arc leading and suppressing body contact conduction, and the described striking contact other end is positioned at outside the described arc-extinguish chamber and with the movable end contact conduction of described conduction disconnecting link and is connected.Described striking contact connects the movable end of described conduction disconnecting link, described arc leading and suppressing body is connected with described terminal block conduction, when the movable end of described conduction disconnecting link and described terminal block disconnect be connected after, the movable end of disconnecting link and the admittance of described terminal block are still realized conducting electricity by described striking contact, arc leading and suppressing body in the loop; Then; described striking contact can rotate and be connected with the disconnection of arc leading and suppressing body; thereby loop cut-off point (being the electric arc origination point) is caused in the described arc-extinguish chamber; processes such as the drainage when circuit disconnects, disjunction, arcing, arc extinguishing, decompression, exhaust are all finished in arc-extinguish chamber, provide protection to peripheral personnel and equipment.
Bypass isolating switch provided by the utility model aims at that distribution line need be safeguarded surely or the repair apparatus design, can with device security, reliable outage, separate from circuit under the situation that keeps the circuit normal power supply, in order to overhaul or safeguard.Need not to have a power failure, and can immediately equipment be inserted loop works again behind maintenance or the upkeep operation, for continuous electricity switches to the bypass operation, load line disconnection or power station major loop overhaul of the equipments, maintenance provide most economical solution.
When bypass isolating switch provided by the utility model disconnects at the major loop with access device, by the bypass of connecting rod action auto-closing, guarantee the circuit continued power, and finished the full action of striking, arc extinguishing, exhaust by arc-control device, and whole process is all finished in arc-control device inside, can not work the mischief to peripheral personnel or equipment.
Description of drawings
Fig. 1, bypass isolating switch side-looking structural representation;
Fig. 2, power station bypass isolating switch side-looking structural representation;
Fig. 3, power station bypass isolating switch plan structure schematic diagram;
Fig. 4, near the partial structurtes schematic diagram bypass isolating switch disconnecting link door bolt;
Fig. 5, bypass isolating switch arc-control device structural representation.
1 is pedestal, and 2 is terminal block, and 3 is insulator, and 4 are the conduction disconnecting link, 5 are the disconnecting link door bolt, and 6 are conduction disconnecting link stiff end, and 7 are conduction disconnecting link movable end, 8 is that axle one, 9 is that axle two, 10 is column, 11 is draw ring, and 12 is conductor block, and 13 is contact plate, 14 is installation foot, and 15 is that axle three, 16 is arc-control device, 17 is arc-extinguish chamber, and 18 is the arc leading and suppressing body, and 19 are the striking contact.
Embodiment
In order to deepen understanding of the present utility model, the utility model is done describing in further detail below in conjunction with drawings and Examples, this embodiment only is used for explaining the utility model, does not constitute the restriction to the utility model protection range.
Shown in Fig. 1-5, the bypass isolating switch that present embodiment provides comprises pedestal 1, terminal block 2, insulator 3, conduction disconnecting link 4, disconnecting link door bolt 5; Described terminal block 2 is two and is fixedly arranged on described pedestal 1, all is connected by insulator 3 between described two terminal blocks 2 and the described pedestal 1; Described conduction disconnecting link 4 is that two and homogeneous end are that stiff end 6 other ends are movable end 7, and the stiff end 6 of described two conduction disconnecting links 4 all is arranged side by side in described pedestal 1 by axle 1, all is connected by insulator 3 between described conduction disconnecting link 4 and the described pedestal 1; Described disconnecting link door bolt 5 is arranged at the movable end 7 of described two conduction disconnecting links 4 by axle 29; When described disconnecting link was fastened 5 closures with a bolt or latch, the movable end 7 of described two conduction disconnecting links 4 connected described two terminal blocks 2 respectively, is off-state between described two terminal blocks 2; When described disconnecting link door bolt 5 disconnects, be connection status between described two terminal blocks 2, the movable end 7 of described two conduction disconnecting links 4 disconnects with described two terminal blocks 2 respectively.
As further improvement of this embodiment, described bypass isolating switch also comprises column 10, and an end of described column 10 is fixedly arranged on described pedestal 1, and described insulator 3 all is fixedly arranged on the other end of described column 10.
As further improvement of this embodiment, described disconnecting link door bolt 5 comprises draw ring 11, conductor block 12, contact plate 13; Described axle 29 two ends respectively are provided with an installation foot 14, and described two installation feet 14 are arranged at the movable end 7 of described two conduction disconnecting links 4 respectively, and described draw ring 11 is movably set in described axle 29; Described contact plate 13 is two and is connected with described two terminal blocks 2 conductions respectively, and described conductor block 12 is movably set in arbitrary described terminal block 2 by axle 3 15 and between described two contact plates 13.Specifically preferably, described conductor block 12 is copper silver-plated baffle.
As further improvement of this embodiment, described bypass isolating switch also comprises arc-control device 16, described arc-control device 16 comprises arc-extinguish chamber 17, arc leading and suppressing body 18, striking contact 19, described arc leading and suppressing body 18 1 ends are fixedly arranged on described terminal block 2 and are connected with described terminal block 2 conductions, described arc-extinguish chamber 17 parcels are arranged at outside the described arc leading and suppressing body 18, described striking contact 19 is arranged at described arc-extinguish chamber 17 and can rotates, described striking contact 19 1 ends are positioned at described arc-extinguish chamber 17 and are connected with described arc leading and suppressing body 18 contact conductions, and described striking contact 19 other ends are positioned at outside the described arc-extinguish chamber 17 and with the movable end 7 contact conductions of described conduction disconnecting link 4 and are connected.
Under the normal condition, the movable end 7 of described two conduction disconnecting links 4 connects described two terminal blocks 2 respectively, is off-state between described two terminal blocks 2, and namely by-pass knife switch is opened, and major loop disconnecting link closure is normally moved the equipment line attachment.
During repair apparatus, only need common insulated hook rod is inserted in the bypass isolating switch draw ring 11 firmly pulling downwards.At first, under draw ring 11 and axle 3 15 effects, conductor block 12 snaps in to make between two contact plates 13 and is connection status between described two terminal blocks 2, and namely copper silver-plated baffle snaps in the bypass fracture, closed bypass.Form the state of major loop and bypass parallel running in this, circuit is disjunction not, so bypass can not produce electric arc moment.
Continue to move downward along with the hook rod drives draw ring 11, make the movable end 7 of described two conduction disconnecting links 4 disconnect i.e. major loop disconnecting link disjunction with described two terminal blocks 2 respectively.The movable end 7 of conduction disconnecting link 4 connects striking contact 19 backs and breaks away from terminal block 2, along with making striking contact 19, being rotated further of movable end 7 rotate, be connected thereby striking contact 19 is disconnected in arc-extinguish chamber 17 with arc leading and suppressing body 18, thereby realization will be extinguished in the electric arc introducing arc-control device 16 of generation, exhaust.
Finally, the disjunction under electriferous state not of described two conduction disconnecting links 4 is cut off the power supply Awaiting Overhaul equipment fully, separates from system, to carry out next step maintenance, upkeep operation.
The above-mentioned course of work only needs common insulated hook rod pulling bypass isolating switch draw ring 11 once can finish a whole set of change action in proper order, need not the extra concern of operating personnel, and safe and efficient.
Claims (5)
1. a bypass isolating switch is characterized in that: comprise pedestal (1), terminal block (2), insulator (3), conduction disconnecting link (4), disconnecting link door bolt (5); Described terminal block (2) is two and is fixedly arranged on described pedestal (1), all is connected by insulator (3) between described two terminal blocks (2) and the described pedestal (1); Described conduction disconnecting link (4) is that two and homogeneous end are that stiff end (6) other end is movable end (7), the stiff end (6) of described two conduction disconnecting links (4) all is arranged side by side in described pedestal (1) by spool one (8), all is connected by insulator (3) between described conduction disconnecting link (4) and the described pedestal (1); Described disconnecting link door bolt (5) is arranged at the movable end (7) of described two conduction disconnecting links (4) by axle two (9); When described disconnecting link door bolt (5) was closed, the movable end (7) of described two conduction disconnecting links (4) connected described two terminal blocks (2) respectively, is off-state between described two terminal blocks (2); When described disconnecting link door bolt (5) disconnects, be connection status between described two terminal blocks (2), the movable end (7) of described two conduction disconnecting links (4) disconnects with described two terminal blocks (2) respectively.
2. bypass isolating switch according to claim 1, it is characterized in that: also comprise column (10), an end of described column (10) is fixedly arranged on described pedestal (1), and described insulator (3) all is fixedly arranged on the other end of described column (10).
3. bypass isolating switch according to claim 1 is characterized in that: described disconnecting link door bolt (5) comprises draw ring (11), conductor block (12), contact plate (13); Described axle two (9) two ends respectively are provided with an installation foot (14), and described two installation feet (14) are arranged at the movable end (7) of described two conduction disconnecting links (4) respectively, and described draw ring (11) is movably set in described axle two (9); Described contact plate (13) is two and is connected with described two terminal blocks (2) conduction respectively that described conductor block (12) is movably set in arbitrary described terminal block (2) by axle three (15) and is positioned between described two contact plates (13).
4. bypass isolating switch according to claim 3 is characterized in that: described conductor block (12) is copper silver-plated baffle.
5. bypass isolating switch according to claim 1, it is characterized in that: also comprise arc-control device (16), described arc-control device (16) comprises arc-extinguish chamber (17), arc leading and suppressing body (18), striking contact (19), described arc leading and suppressing body (18) one ends are fixedly arranged on described terminal block (2) and are connected with described terminal block (2) conduction, described arc-extinguish chamber (17) parcel is arranged at outside the described arc leading and suppressing body (18), described striking contact (19) is arranged at described arc-extinguish chamber (17) and can rotates, described striking contact (19) one ends are positioned at described arc-extinguish chamber (17) and are connected with described arc leading and suppressing body (18) contact conduction, and described striking contact (19) other end is positioned at outside the described arc-extinguish chamber (17) and with movable end (7) the contact conduction of described conduction disconnecting link (4) and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320049101 CN203118849U (en) | 2013-01-29 | 2013-01-29 | Bypass isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320049101 CN203118849U (en) | 2013-01-29 | 2013-01-29 | Bypass isolation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203118849U true CN203118849U (en) | 2013-08-07 |
Family
ID=48899171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320049101 Expired - Lifetime CN203118849U (en) | 2013-01-29 | 2013-01-29 | Bypass isolation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203118849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123873A (en) * | 2013-01-29 | 2013-05-29 | 合保电气（芜湖）有限公司 | Bypass disconnector |
-
2013
- 2013-01-29 CN CN 201320049101 patent/CN203118849U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123873A (en) * | 2013-01-29 | 2013-05-29 | 合保电气（芜湖）有限公司 | Bypass disconnector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20151014 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |