CN208111306U - A kind of novel voltage-regulating structure of load ratio bridging switch - Google Patents
A kind of novel voltage-regulating structure of load ratio bridging switch Download PDFInfo
- Publication number
- CN208111306U CN208111306U CN201820491841.0U CN201820491841U CN208111306U CN 208111306 U CN208111306 U CN 208111306U CN 201820491841 U CN201820491841 U CN 201820491841U CN 208111306 U CN208111306 U CN 208111306U
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- vacuum
- insulation board
- guide rail
- groups
- vacuum interrupter
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Abstract
The utility model relates to a kind of novel voltage-regulating structure of load ratio bridging switch, each component of the pressure adjusting structure is fixedly mounted on insulation board；It is provided with vacuum interrupter switching system, actuating guide rail, electric control permanent magnet on one side in the insulation board；The vacuum interrupter switching system is made of 6 groups of vacuum extinction chamber systems, and adjacent 2 groups of vacuum extinction chamber systems are a phase, and transition resistance and fixed guide are equipped between two adjacent groups vacuum extinction chamber system.The another side of the insulation board is provided with three-phase selection system, position signal feedback device, turn-screw, stepper motor；The three-phase selection system is made of upper insulation plate item, lower insulation plate item and 3 selection components, each selection component is made of operation insulating part, static contact group, moving contact, conductive plate.The utility model efficiently solves that traditional load ratio bridging switch volume is big, complex structure and other problems, realizes that load ratio bridging switch miniaturization, structure be simple, high reliablity, low cost.
Description
Technical field
The utility model belongs to field of electromechanical technology, in particular to the novel voltage-regulating structure of a kind of load ratio bridging switch.
Background technique
Voltage is an important power quality index, and since power load changes and the fluctuation of voltage is can not to keep away
Exempt from.To stablize network voltage, it is necessary to carry out the adjusting of voltage to transformer, transformer regulating mainly uses voltage-regulation tap changer
To change transformer tapping, reaches and change transformer primary pair turn ratio to realize.Currently, the on-load voltage regulation of distribution transformer point
It connects there are mainly two types of switches：One is perpendicular barrelling formula on-load tap changers, are driven using ordinary motor and spring structure, body
Product is big, is vertically installed at transformer core side, lead is extremely inconvenient.Another kind is traditional load ratio bridging switch route design
Horizontal on-load tap changer, due to using traditional design theory, volume of switch is big, crouches and is mounted in transformer core upper end, draws
Line facilitates very much, but since distribution transformer itself is small in size, and upper end is at high-low voltage leads, and switch occupies excessive volume,
The bad design of transformer.
Utility model content
It is easy to operate the technical problem to be solved by the present invention is to provide a kind of structure is simple to overcome drawbacks described above
Load ratio bridging switch novel voltage-regulating structure.
A kind of novel voltage-regulating structure of load ratio bridging switch, each component of the pressure adjusting structure are fixedly mounted on insulation board
On；
It is provided with vacuum interrupter switching system, actuating guide rail, electric control permanent magnet on one side in the insulation board；It is described true
Empty arc-chutes switching system is made of 6 groups of vacuum extinction chamber systems, and two adjacent groups vacuum extinction chamber system is a phase, adjacent two
Transition resistance and fixed guide are equipped between group vacuum extinction chamber system；The each group of vacuum extinction chamber system includes fixing
Part, vacuum interrupter, insulated pull rod, actuator, counterbalance spring, resting guide, transition resistance；The fixing piece is solid by screw
It is scheduled on insulation board；Vacuum interrupter is fastenedly connected with fixing piece；One end of insulated pull rod is fixedly connected with vacuum interrupter；Behaviour
The upper end of insulated pull rod is arranged in moving part, the folding for actuating guide rail control vacuum interrupter；Counterbalance spring is sleeved on insulation
The top of pull rod, is in contact with resting guide；Transition resistance is arranged between two vacuum interrupters of same phase；Fixed guide setting
In the corresponding kidney slot of actuating guide rail, moved left and right for being oriented to actuating guide rail；In 6 groups of vacuum extinction chamber systems absolutely
The top actuator of edge pull rod passes through actuating guide rail and electric control permanent magnet carries out control actuating；The electric control permanent magnet is fixed on
The positive one end of insulation board；
The another side of the insulation board is provided with three-phase selection system, position signal feedback device, turn-screw, stepping
Motor；The three-phase selection system is made of upper insulation plate item, lower insulation plate item and 3 selection components, each selection component
It is made of operation insulating part, static contact group, moving contact, conductive plate；Wherein static contact group is made of 7 static contacts, uniformly solid
It is scheduled on the corresponding position of lower insulation plate item；The operation insulating part upper end of 3 selection components is linked together by guide rail, and
It is connected with turn-screw；The turn-screw is arranged in parallel with guide rail and connect with stepper motor, and stepper motor is fixed on absolutely
The one end of listrium reverse side；The top of turn-screw is arranged in the position signal feedback device.
The utility model structure is simple, and control circuit is novel, and transition resistance is fixed on intervening gears, and being different from tradition has
On-load shunting switch line transition resistance is connected across on adjacent two grades.The utility model structure is efficiently solved with traditional loaded tap-off
The volume of switch of switching circuit design is big, structure is complicated, poor reliability, it is at high cost the problems such as, for the first time by stepper motor and permanent magnetism
It is small-sized to realize distribution load ratio bridging switch with transmission operation mechanism on load ratio bridging switch, is enormously simplified for iron set
Change, structure is simple, high reliablity, at low cost.
Detailed description of the invention
Fig. 1 is the positive structure schematic of the utility model load ratio bridging switch novel voltage-regulating structure；
Fig. 2 is the reverse structure schematic of the utility model load ratio bridging switch novel voltage-regulating structure；
Fig. 3 is the electrical connection schematic diagram of the utility model load ratio bridging switch novel voltage-regulating structure.
In figure：1- insulation board, 2- fixing piece, the main vacuum interrupter of 3-, 4- insulated pull rod, 5- actuator 6- compensate bullet
Spring, 7- resting guide, 8- transition resistance 9- fixed guide, 10- actuating track 11- electric control permanent magnet 12- position signal
Feedback device 13- drive lead screw 14- stepper motor 15- upper insulation plate 16- lower insulation plate 17- operation insulation
Part 18- static contact 19- moving contact 20- conductive guide 21- guide rail
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing.
As shown in Figures 1 to 3, the novel voltage-regulating structure of a kind of load ratio bridging switch, each component of the pressure adjusting structure are fixed
It is mounted on insulation board 1.
As shown in Figure 1, in the one side of the insulation board 1（Front）It is provided with vacuum interrupter switching system, actuating guide rail
10, electric control permanent magnet 11；The vacuum interrupter switching system is made of 6 groups of vacuum extinction chamber systems, and two adjacent groups vacuum is gone out
Arc chamber system is a phase, and transition resistance 8 and fixed guide 9 are equipped between two adjacent groups vacuum extinction chamber system；It is described each
Vacuum extinction chamber system is organized to include fixing piece 2, vacuum interrupter 3, insulated pull rod 4, actuator 5, counterbalance spring 6, fix and lead
Plate 7；The fixing piece 2 is fixed by screws on insulation board 1；Vacuum interrupter 3 is fastenedly connected with fixing piece 2；Insulated pull rod 4
One end be fixedly connected with vacuum interrupter 3；The upper end of insulated pull rod 4 is arranged in actuator 5, controls very for actuating guide rail 10
The folding of empty arc-chutes 3；Counterbalance spring 6 is sleeved on the top of insulated pull rod 4, is in contact with resting guide 7.Transition resistance 8 is set
It sets between two vacuum interrupters 3 of same phase；Fixed guide 9 is arranged in the corresponding kidney slot of actuating guide rail 10, for being oriented to
Actuating guide rail 10 moves left and right.The top actuator 5 of insulated pull rod 4 is led by actuating in 6 groups of vacuum extinction chamber systems
Rail 10 and electric control permanent magnet 11 carry out control actuating；The electric control permanent magnet 11 is fixed on the positive one end of insulation board 1.
As shown in Fig. 2, in the another side of insulation board 1（Reverse side）It is provided with three-phase selection system, position signal feedback device
12, turn-screw 13, stepper motor 14.Three-phase selects system by upper insulation plate item 15, lower insulation plate item 16 and 3 selection components
Composition, each selection component are made of operation insulating part 17, static contact group 18, moving contact 19, conductive plate 20；Wherein static contact
Group 18 is made of 7 static contacts, is uniformly fixed on the corresponding position of lower insulation plate item 16, and forms switch selection shelves contact.3
17 upper end of operation insulating part of a selection component passes through guide rail 21 and links together, and is connected with turn-screw 13.It passes
Dynamic lead screw 13 is arranged in parallel with guide rail 21 and connect with stepper motor 14, and stepper motor 14 is fixed on one end of 1 reverse side of insulation board
Portion.Selector moving contact bridges conductive plate and selection shelves contact forms switches conductive circuit.Driving wire is driven by stepper motor 14
Bar 13, which horizontally slips, selects contact gear, realizes that voltage is adjusted.The position signal feedback device 12 is passive by a series of low pressure
Signalling contact composition, for the utility model load ratio bridging switch current selection position feedback, stepper motor 14 and electric control permanent magnet
The electrical control of iron 11.
The novel voltage-regulating structure of the utility model load ratio bridging switch, selecting switching action program to be different from tradition has load
Tap switch, traditional load ratio bridging switch are first by selection switch not having galvanization gear contact to choose in advance, then by switching system
It will be gone on current switching to pre-selection contact gear.And the utility model pressure adjusting structure is then first to be powered on major loop by switching system
Stream is switched on affixed resistor transition circuit, selects switch movable contact reselection gear contact, and switching system will after selection in place
On current switching to major loop, switching is completed.
The utility model switching contact uses vacuum interrupter simultaneously, and will not generate electric arc in handoff procedure leads to transformer
The decline of oil-insulation level, mechanism design greatly simplify machine driven system, realize load ratio bridging switch miniaturization, structure letter
List, high reliability, low cost solve existing distribution transformer load ratio bridging switch shortcoming.
Claims (1)
1. a kind of novel voltage-regulating structure of load ratio bridging switch, it is characterised in that：Each component of the pressure adjusting structure is fixedly mounted
In insulation board（1）On；
In the insulation board（1）Be provided with vacuum interrupter switching system, actuating guide rail on one side（10）, electric control permanent magnet
（11）；The vacuum interrupter switching system is made of 6 groups of vacuum extinction chamber systems, and adjacent 2 groups of vacuum extinction chamber systems are one
Phase is equipped with transition resistance between two adjacent groups vacuum extinction chamber system（8）And fixed guide（9）；The each group of vacuum is gone out
Arc chamber system includes fixing piece（2）, vacuum interrupter（3）, insulated pull rod（4）, actuator（5）, counterbalance spring（6）, it is fixed
Guide plate（7）；The fixing piece（2）It is fixed by screws in insulation board（1）On；Vacuum interrupter（3）With fixing piece（2）Fastening connects
It connects；Insulated pull rod（4）One end and vacuum interrupter（3）It is fixedly connected；Actuator（5）It is arranged in insulated pull rod（4）Upper end,
For actuating guide rail（10）Control vacuum interrupter（3）Folding；Counterbalance spring（6）It is sleeved on insulated pull rod（4）Top, with
Resting guide（7）It is in contact；The transition resistance（8）It is arranged in two vacuum interrupters of same phase（3）Between；Fixed guide（9）
It is arranged in actuating guide rail（10）Corresponding kidney slot in, for being oriented to actuating guide rail（10）It moves left and right；6 groups of vacuum are gone out
Insulated pull rod in arc chamber system（4）Top actuator（5）Pass through actuating guide rail（10）And electric control permanent magnet（11）It is controlled
Actuating processed；The electric control permanent magnet（11）It is fixed on insulation board（1）Positive one end；
In the insulation board（1）Another side be provided with three-phase selection system, position signal feedback device（12）, turn-screw
（13）, stepper motor（14）；The three-phase selection system is by upper insulation plate item（15）, lower insulation plate item（16）And 3 selection groups
Part composition, each selection component is by operation insulating part（17）, static contact group（18）, moving contact（19）, conductive plate（20）Composition；
Wherein static contact group（18）It is made of 7 static contacts, is uniformly fixed on lower insulation plate item（16）Corresponding position；3 selections
The operation insulating part of component（17）Upper end passes through guide rail（21）It links together, and and turn-screw（13）It is connected；Institute
State turn-screw（13）With guide rail（21）Be arranged in parallel and and stepper motor（14）Connection, stepper motor（14）It is fixed on insulation board
（1）The one end of reverse side；The position signal feedback device（12）It is arranged in turn-screw（13）Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820491841.0U CN208111306U (en) | 2018-04-09 | 2018-04-09 | A kind of novel voltage-regulating structure of load ratio bridging switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820491841.0U CN208111306U (en) | 2018-04-09 | 2018-04-09 | A kind of novel voltage-regulating structure of load ratio bridging switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208111306U true CN208111306U (en) | 2018-11-16 |
Family
ID=64120947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820491841.0U Expired - Fee Related CN208111306U (en) | 2018-04-09 | 2018-04-09 | A kind of novel voltage-regulating structure of load ratio bridging switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208111306U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112201532A (en) * | 2020-08-26 | 2021-01-08 | 广东中鹏电气有限公司 | On-load tap-changer control device |
| CN112201531A (en) * | 2020-08-26 | 2021-01-08 | 广东中鹏电气有限公司 | On-load voltage regulating switch |
-
2018
- 2018-04-09 CN CN201820491841.0U patent/CN208111306U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112201532A (en) * | 2020-08-26 | 2021-01-08 | 广东中鹏电气有限公司 | On-load tap-changer control device |
| CN112201531A (en) * | 2020-08-26 | 2021-01-08 | 广东中鹏电气有限公司 | On-load voltage regulating switch |
| CN112201532B (en) * | 2020-08-26 | 2023-01-24 | 广东电网有限责任公司佛山供电局 | On-load tap-changer control device |
| CN112201531B (en) * | 2020-08-26 | 2024-01-23 | 广东中鹏电气有限公司 | On-load voltage regulating switch |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 Termination date: 20200409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |