CN102426972A - Vacuum switchgear - Google Patents
Vacuum switchgear Download PDFInfo
- Publication number
- CN102426972A CN102426972A CN2011103797854A CN201110379785A CN102426972A CN 102426972 A CN102426972 A CN 102426972A CN 2011103797854 A CN2011103797854 A CN 2011103797854A CN 201110379785 A CN201110379785 A CN 201110379785A CN 102426972 A CN102426972 A CN 102426972A
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- China
- Prior art keywords
- vacuum
- conductor
- vacuum tank
- switch
- vacuum container
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to the field of a switch and provides a vacuum switchgear. The vacuum switchgear comprises a vacuum container with a shell and covers, an earthing switch, a load switching ware and a conductor. The earthing switch and the load switching ware are arranged inside the vacuum container. The conductor is positioned outside the vacuum container and the earthing switch and the load switching ware are connected with the conductor in the vacuum container. The shell is provided with two ends. Both the ends are provided with open parts. The covers are arranged at the open parts. Movable side electrodes of the earthing switch and the load switching ware can be movably arranged. Electrode connecting wall surfaces of the earthing switch and the load switching ware are of a convex shape. The implementation of the vacuum switchgear disclosed by the invention has the following beneficial effects that when a plurality of vacuum switches are accommodated in one vacuum container, the volume of the vacuum container does not need to be increased and the shape of the vacuum container cannot be changed complex therewith.
Description
Technical field
The present invention relates to a kind of switchgear, more particularly, relate to a kind of vacuum switchgear.
Background technology
Along with the development of human electric utility, electric switching system is also more and more, yet a lot of switchgear exists the defective of different aspect.Nowadays, the vacuum switchgear that a plurality of switches are set in vacuum tank is also a lot, though a plurality of switches are contained in the vacuum tank, does not put down in writing the concrete structure and the structure of vacuum tank.
When being contained in a plurality of switches in the vacuum tank, along with the increase of switch number, the assembly operation of the switch inside parts difficult and complicated that becomes.And when in a vacuum tank, holding a plurality of vacuum switch, it is very big that the volume of vacuum tank becomes, and it is complicated that shape becomes.
Summary of the invention
The technical problem that the present invention will solve is, the assembly operation complicated defective that becomes provides a kind of vacuum switchgear when having a plurality of switch to prior art vacuum switchgear inside.
The present invention provides a kind of vacuum switchgear; Comprise vacuum tank, earthed switch, load-break switch and conductor with housing and lid, it is characterized in that: it is inner that said earthed switch and said load-break switch are arranged on said vacuum tank, and said conductor is positioned at the outside of vacuum tank; And in said vacuum tank, be connected with said conductor; Said housing has two ends, and two ends have peristome, and said peristome is provided with said lid; The active side electrode of said earthed switch and load-break switch can movablely be provided with, and the electrode of said earthed switch and load-break switch connects wall and becomes convex.
Preferably, the active side electrode of said earthed switch and load-break switch is through the bellows setting, and said bellows is arranged in the recess of said housing section.
The vacuum switchgear of embodiment of the present invention has following beneficial effect: when in a vacuum tank, holding a plurality of vacuum switch, the volume of vacuum tank need not very big, and it is complicated that shape can not become thereupon.
Embodiment
The present invention provides a kind of vacuum switchgear; The defective that assembly operation becomes complicated when having a plurality of switch to prior art vacuum switchgear inside is invented; This switchgear comprises vacuum tank, earthed switch, load-break switch and the conductor with housing and lid, and it is inner that said earthed switch and said load-break switch are arranged on said vacuum tank, and said conductor is positioned at the outside of vacuum tank; And in said vacuum tank, be connected with said conductor; Said housing has two ends, and two ends have peristome, and said peristome is provided with said lid; The active side electrode of said earthed switch and load-break switch can movablely be provided with, and the electrode of said earthed switch and load-break switch connects wall and becomes convex.The active side electrode of said earthed switch and load-break switch is through the bellows setting, and said bellows is arranged in the recess of said housing section.
In the ground connection vacuum tank, the vacuum pressure that the vacuum pressure determinator is set is measured terminal; This terminal holds the traveling electrode of two breaker portions or circuit breaker portion and the traveling electrode and the fixed electrode of a fixed electrode and an earthing device portion, and is installed on the ground connection vacuum tank.Side by side two breaker portions or circuit breaker portion are formed a line, an earthing device portion and outer connecting conductor are disposed with forming a line each other.Ground connection vacuum tank major part is made up of the conductive material of the non-magnetic stainless steel of high strength specification.And, ground connection vacuum tank ground connection.In addition, by the vacuum pressure of vacuum degree determinator monitoring grounding vacuum tank.The insulant of the tubular that the sintered body through aluminium oxide, zirconia etc. forms keeps the insulation between ground connection vacuum tank and the vacuum tank inner conductor.
With crown cap above the conductor part at outer connecting conductor center and following metallic cylindrical body, be welded on the ground connection vacuum tank via the insulant of above-mentioned tubular.Through welding material these insulants are bonded on the housing of ground connection vacuum tank.Owing to insulant is welded on the housing of said ground connection vacuum tank can produces high residual stress, so, adopt high strength and anti-parts as the ground connection vacuum tank.The shape of the housing of ground connection vacuum tank is identical with the flat shape of lid.In the present embodiment, the ground connection vacuum tank, use the side of the above-mentioned non-magnetic stainless steel steel pipe of housing section both ends open or steel plate integrally welded, thereby housing section is formed the regulation shape; The lid of peristome one side is formed by the oval-shaped identical non-magnetic stainless steel steel plate that central portion bloats, and its cross section is the smooth circular arc of central portion.The stage that completion is set at each parts is carried out said joint.
Inside at the ground connection vacuum tank; Configuration can free dockingundocking fixed electrode and traveling electrode, fixed electrode and traveling electrode, fixed electrode and traveling electrode; Instruction according to operating mechanism engages traveling electrode or disengaging, the action that drops into and cut off.Traveling electrode is connected on the mobile conductor, is connected on the carriage release lever by insulant respectively, portion is connected with operating mechanism.Carriage release lever is realized gas-tight seal by flexible pipe respectively.Be provided with the upper face side of the housing section of flexible pipe, be provided with the recess that can flexible pipe can telescopically be provided with, heart portion is provided with the through hole that carriage release lever gets into therein.Be provided with the through hole of bonding conductor in the bottom of housing section, within it outer engagement the insulant fixed electrode of tubular be connected on the bonding conductor by conductor, be connected with the outside of ground connection vacuum tank.Likewise, fixed conductor is connected on the bonding conductor, is connected with the outside of ground connection vacuum tank by conductor.The conductor that is formed by copper coin forms the part of ground connection vacuum tank, in the ground connection vacuum tank, is connected on the ground connection vacuum tank by insulant.The bonding conductor insulant that further has been covered in ground connection vacuum tank outside.The fixed electrode of earthed switch is connected on the conductor integratedly in addition.
Between the bonding conductor and bonding conductor that are connected with the outside, be connected on the mobile conductor by flexible conductor from moving conductor, so at the state of connecting, traveling electrode and traveling electrode are electrically connected.In addition, the grounding parts fixed conductor moves conductor and is connected on the earth terminal portion conductor by flexible conductor, so at the state of connecting, the grounding parts traveling electrode is electrically connected with the outer connecting conductor of earth terminal portion.Outer connecting conductor, flexible conductor and connecting portion and earth terminal portion conductor link into an integrated entity, by insulant and the insulation of ground connection vacuum tank.
Because flexible conductor is configured in the vacuum tank; So oxygen-free copper of the range upon range of employing thin plate of the conducting parts that can move in a vacuum; Insertion has the corrosion resistant plate than its thinner oxide layer between each oxygen-free copper thin plate, thereby, in a vacuum; Can not coagulate between the oxygen-free copper, formation can keep flexible structure.In addition, form distance, and form convex in the direction opposite with conducting parts in order to make between flexible conductor and the major loop conducting parts.
And then, in the present embodiment, implement at the connecting portion of the mobile conductor of flexible conductor and earthed switch silver-plated, the silvering of the vacuum welding temperature fusing connecting portion when making vacuum tank, thus connect.Like this, can the joint and the vacuum tank welding assembly of flexible conductor side by side be carried out, need not increase the working hour number and just can carry out the assembling of vacuum tank.As stated, according to present embodiment, the assemble workability of the parts that hold in vacuum tank inside is good, and the shape of vacuum tank becomes simply, and the component-assembled of internal tank is easy, so, can provide reliability high vacuum switch.In addition; In holding of present embodiment in the vacuum switch of earthed switch; Each earthed switch inner at vacuum tank is connected in the vacuum tank; And making one with the outside earth terminal that is connected of vacuum tank, thereby can reduce the outside space of vacuum tank, form the vacuum switch of compactness.
The vacuum switchgear of embodiment of the present invention has following beneficial effect: when in a vacuum tank, holding a plurality of vacuum switch, the volume of vacuum tank need not very big, and it is complicated that shape can not become thereupon.
The present invention describes through embodiment, and those skilled in the art know, under the situation that does not break away from the spirit and scope of the present invention, can carry out various changes or equivalence replacement to these characteristics and embodiment.In addition, under instruction of the present invention, can make amendment to these characteristics and embodiment can not break away from the spirit and scope of the present invention to adapt to concrete situation and material.Therefore, the present invention does not receive the restriction of specific embodiment disclosed herein, and all interior embodiment of claim scope that fall into the application belong to protection scope of the present invention.
Claims (2)
1. vacuum switchgear; Comprise vacuum tank, earthed switch, load-break switch and conductor with housing and lid, it is characterized in that: it is inner that said earthed switch and said load-break switch are arranged on said vacuum tank, and said conductor is positioned at the outside of vacuum tank; And in said vacuum tank, be connected with said conductor; Said housing has two ends, and two ends have peristome, and said peristome is provided with said lid; The active side electrode of said earthed switch and load-break switch can movablely be provided with, and the electrode of said earthed switch and load-break switch connects wall and becomes convex.
2. vacuum switchgear according to claim 1 is characterized in that: the active side electrode of said earthed switch and load-break switch is through the bellows setting, and said bellows is arranged in the recess of said housing section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103797854A CN102426972A (en) | 2011-11-25 | 2011-11-25 | Vacuum switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103797854A CN102426972A (en) | 2011-11-25 | 2011-11-25 | Vacuum switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102426972A true CN102426972A (en) | 2012-04-25 |
Family
ID=45960939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103797854A Pending CN102426972A (en) | 2011-11-25 | 2011-11-25 | Vacuum switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102426972A (en) |
-
2011
- 2011-11-25 CN CN2011103797854A patent/CN102426972A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120425 |