CN102623155A - Integrated plug-pull combined type vacuum on-load tap changer - Google Patents
Integrated plug-pull combined type vacuum on-load tap changer Download PDFInfo
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- CN102623155A CN102623155A CN2011100334282A CN201110033428A CN102623155A CN 102623155 A CN102623155 A CN 102623155A CN 2011100334282 A CN2011100334282 A CN 2011100334282A CN 201110033428 A CN201110033428 A CN 201110033428A CN 102623155 A CN102623155 A CN 102623155A
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- switch
- changer
- tap changer
- insulating cylinder
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Abstract
The invention discloses an integrated plug-pull combined type vacuum on-load tap changer, which comprises a changer oil chamber and a changer body inserted in the changer oil chamber. The changer oil chamber comprises an insulating cylinder and a tap changer installation flange fixed at the head of the insulating cylinder, a support flange, and a cylinder bottom for installing the bottom of the insulating cylinder. Stationary contact terminals are installed on the cylinder wall of the insulating cylinder. The changer body comprises a support cage body provided with stationary contacts, a quick mechanism arranged at the head of the support cage body, an insulating spindle connected with the quick mechanism and vacuum switch components. The stationary contacts and float contacts electrically connected with the stationary contacts are arranged on cage plate strips of the support cage body, the float contacts are electrically contacted with the corresponding terminals, and movable contacts of the vacuum switch components are in contact with the stationary contacts in switching. The integrated plug-pull combined type vacuum on-load tap changer has the advantages that the tap changer is convenient to debug and install; and when the tap changer is maintained, a transformer cover is not required to be opened, transformer connection lines are not required to be dismounted, and only the changer body is lifted out.
Description
Technical field
The present invention relates to a kind of compound vacuum on-load operation switch, the compound vacuum on-load operation switch of particularly a kind of whole plug-in.
Background technology
Existing combined type on load tap changer is the on load tap changer that a kind of function that will switch and select unites two into one.This on load tap changer is installed on transformer tank by means of the switch head flanges and covers.This type combined type on load tap changer normally is installed in fixed contact on the insulating cylinder barrel; The transition contact, main switching contact and the parts such as moving contact and transition resistance that switch usefulness are installed on the insulation axis, then the Middle shaft assembly that assembles are lifted in the insulating cylinder.There are two aspect shortcomings in this structure: damage if occur in 1 switch; For example contact burning, draw to be flexible coupling between contact and the moving contact and damage etc.; Must from transformer, take out the shunting switch that comprises insulating cylinder and Middle shaft assembly and could keep in repair; Transformer just must uncap, drain the oil, tears open line work like this, and is time-consuming, influences the normal use of transformer.2, the debugging of the maintenance in the shunting switch production process also must be treated just can carry out after the whole shunting switch assembling, must carry out suspended core again during debugging, very trouble.
Summary of the invention
Technical problem to be solved by this invention is to the existing in prior technology deficiency a kind of compound vacuum on-load operation switch of whole plug-in that fixed contact need not to dismantle the transformer coil tap of changing to be provided; The compound vacuum on-load operation switch of this integral body plug-in is suspended core directly, installs, overhauls very convenient.
In order to realize the foregoing invention purpose, the technical scheme that the present invention adopted is:
The compound vacuum on-load operation switch of a kind of whole plug-in; It is characterized in that; Comprise that a switch grease chamber and inserts the indoor Switch main body of said circuit-breaker oil; Said switch grease chamber comprises the tube end of insulating cylinder and the shunting switch mounting flange that is fixed on the insulating cylinder head, pivot flange and mounting insulation tube bottom, and said switch grease chamber is installed in the transformer through shunting switch mounting flange and pivot flange; Said Switch main body comprises support cages body that fixed contact is installed and the quick mechanism that is installed in support cages body head and the insulation main shaft that links to each other with quick mechanism, vacuum switching part; The unsteady contact that fixed contact is installed on the cage lath of said support cages body and is electrically connected with said fixed contact, when Switch main body was packed the switch grease chamber into, the binding post that said unsteady contact is corresponding with the switch grease chamber electrically contacted.
Owing to adopted technical scheme as above, the present invention compares with existing combined type vacuum on-load operation switch, has following advantage:
1, the shunting switch debugging is easy for installation.
2, during the shunting switch maintenance, repair, no longer need open transformer cover and dismounting transformer connection, only need hang out Switch main body and get final product.
Description of drawings
Fig. 1 is the contour structures sketch map of shunting switch of the present invention.
Fig. 2 is the circuit-breaker oil cell structure sketch map in the shunting switch of the present invention.
Fig. 3 is the Switch main body structural representation in the shunting switch of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth execution mode of the present invention.
Referring to Fig. 1, the compound vacuum on-load operation switch of whole plug-in shown in the figure is whole plug-in three-phase composite type vacuum on-load operation switch.Comprise a switch grease chamber 100 and a Switch main body.
Referring to Fig. 2; Switch grease chamber 100 comprises an insulating cylinder 110; Be connected with shunting switch mounting flange 120 and pivot flange 130 at the head of insulating cylinder 110, shunting switch mounting flange 120 adopts the aluminum alloy materials manufacturings to form with pivot flange 130, at the bottom of the bottom of insulating cylinder 110 is equipped with tin 140.Three groups of fixed contact binding posts 150 are installed, the fixed contact of every group of fixed contact binding post 150 corresponding phases on the barrel of insulating cylinder 110.
Referring to Fig. 3; Switch main body 200 comprises a support cages body 210; Support cages body 210 is made up of head flanges 211, afterbody flange 212 and some cage laths 213 of being connected between head flanges 211, the afterbody flange 212; The centre of some cage laths 213 also connects through intermediate connecting ring 214, to increase the intensity of support cages 210.Quick mechanism 220 is installed on head flanges 211, and this quick mechanism 220 comprises a sheave quick mechanism and the insulation main shaft 221 that is driven by this sheave quick mechanism, during the action of sheave quick mechanism, will drive insulation main shaft 221 and rotate, and realizes switching.Three-phase fixed contact 231 and unsteady contact 232 are installed on cage lath 213; Every contact 232 that floats mutually is electrically connected with corresponding fixed contact 231 mutually; The pairing binding post of every float mutually contact 232 and every fixed contact mutually 231 150 is corresponding; After in Switch main body 200 is inserted into switch grease chamber 100, every contact 232 that floats mutually electrically contacts with every 231 pairing binding posts 150 of fixed contact mutually.
On insulation main shaft 221, three-phase vacuum switching part 240 is installed, three-phase vacuum switching part 240 is positioned at support cages body 210, and the vacuum switching part 240 of phase and phase is spaced along insulation main shaft 221.Every phase vacuum switching part 240 comprises transition contact, main switching contact, draws parts such as contact, moving contact and transition resistance.During switching, the moving contact in every phase vacuum switching part 240 electrically contacts with every fixed contact mutually 231, realizes switching.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; The present invention also has various changes and modifications under the prerequisite that does not break away from spirit and scope of the invention, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection range to be defined by appending claims and equivalent thereof.
Claims (1)
1. compound vacuum on-load operation switch of whole plug-in; It is characterized in that; Comprise that a switch grease chamber and inserts the indoor Switch main body of said circuit-breaker oil; Said switch grease chamber comprises the tube end of insulating cylinder and the shunting switch mounting flange that is fixed on the insulating cylinder head, pivot flange and mounting insulation tube bottom, and said switch grease chamber is installed in the transformer through shunting switch mounting flange and pivot flange; Said Switch main body comprises support cages body that fixed contact is installed and the quick mechanism that is installed in support cages body head and the insulation main shaft that links to each other with quick mechanism, vacuum switching part; The unsteady contact that fixed contact is installed on the cage lath of said support cages body and is electrically connected with said fixed contact, when Switch main body was packed the switch grease chamber into, the binding post that said unsteady contact is corresponding with the switch grease chamber electrically contacted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100334282A CN102623155A (en) | 2011-01-30 | 2011-01-30 | Integrated plug-pull combined type vacuum on-load tap changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100334282A CN102623155A (en) | 2011-01-30 | 2011-01-30 | Integrated plug-pull combined type vacuum on-load tap changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102623155A true CN102623155A (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100334282A Pending CN102623155A (en) | 2011-01-30 | 2011-01-30 | Integrated plug-pull combined type vacuum on-load tap changer |
Country Status (1)
| Country | Link |
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| CN (1) | CN102623155A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151152A (en) * | 2013-03-20 | 2013-06-12 | 上海华明电力设备制造有限公司 | Externally-hung type on-load tap-changer with suspended core |
| CN103811158A (en) * | 2012-11-13 | 2014-05-21 | 上海华明电力设备集团有限公司 | Externally-hung on-load tap-changer for transformer |
| CN103985569A (en) * | 2013-02-07 | 2014-08-13 | 三菱电机株式会社 | Tap changer |
| CN104779085A (en) * | 2015-02-17 | 2015-07-15 | 任宏宇 | Wheel type dish-shaped movable contact piece and switching and bridging mechanism thereof assembly |
| US9601260B2 (en) | 2013-08-12 | 2017-03-21 | Abb Schweiz Ag | Method of manufacturing an electromagnetic induction device and an electromagnetic induction device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0252400A2 (en) * | 1986-07-05 | 1988-01-13 | Maschinenfabrik Reinhausen Gmbh | Tap selector for tapped transformers equipped with a preliminary selector |
| CN1841583A (en) * | 2005-03-28 | 2006-10-04 | 上海华明电力设备制造有限公司 | Combined type on-load tap-changer |
| CN201063285Y (en) * | 2007-06-08 | 2008-05-21 | 上海华明电力设备制造有限公司 | Vacuum integral cage type insertion structure with on-load tap-changer |
| CN201383429Y (en) * | 2009-03-06 | 2010-01-13 | 武汉泰普变压器开关有限公司 | Unloading type non-excitation tapping switch |
-
2011
- 2011-01-30 CN CN2011100334282A patent/CN102623155A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0252400A2 (en) * | 1986-07-05 | 1988-01-13 | Maschinenfabrik Reinhausen Gmbh | Tap selector for tapped transformers equipped with a preliminary selector |
| CN1841583A (en) * | 2005-03-28 | 2006-10-04 | 上海华明电力设备制造有限公司 | Combined type on-load tap-changer |
| CN201063285Y (en) * | 2007-06-08 | 2008-05-21 | 上海华明电力设备制造有限公司 | Vacuum integral cage type insertion structure with on-load tap-changer |
| CN201383429Y (en) * | 2009-03-06 | 2010-01-13 | 武汉泰普变压器开关有限公司 | Unloading type non-excitation tapping switch |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103811158A (en) * | 2012-11-13 | 2014-05-21 | 上海华明电力设备集团有限公司 | Externally-hung on-load tap-changer for transformer |
| CN103811158B (en) * | 2012-11-13 | 2016-06-22 | 上海华明电力设备集团有限公司 | A kind of plug-in load ratio bridging switch of transformator |
| CN103985569A (en) * | 2013-02-07 | 2014-08-13 | 三菱电机株式会社 | Tap changer |
| CN103985569B (en) * | 2013-02-07 | 2016-01-27 | 三菱电机株式会社 | Tap changer |
| US9349529B2 (en) | 2013-02-07 | 2016-05-24 | Mitsubishi Electric Corporation | Tap changer |
| CN103151152A (en) * | 2013-03-20 | 2013-06-12 | 上海华明电力设备制造有限公司 | Externally-hung type on-load tap-changer with suspended core |
| US9601260B2 (en) | 2013-08-12 | 2017-03-21 | Abb Schweiz Ag | Method of manufacturing an electromagnetic induction device and an electromagnetic induction device |
| CN104779085A (en) * | 2015-02-17 | 2015-07-15 | 任宏宇 | Wheel type dish-shaped movable contact piece and switching and bridging mechanism thereof assembly |
| CN104779085B (en) * | 2015-02-17 | 2017-09-22 | 任宏宇 | A kind of switching bridging mechanism with wheeled dish-shaped movable contact spring construction |
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Application publication date: 20120801 |