CN104599890A - Connection structure of conductor hole covers of gas insulated switchgear - Google Patents
Connection structure of conductor hole covers of gas insulated switchgear Download PDFInfo
- Publication number
- CN104599890A CN104599890A CN201310534970.5A CN201310534970A CN104599890A CN 104599890 A CN104599890 A CN 104599890A CN 201310534970 A CN201310534970 A CN 201310534970A CN 104599890 A CN104599890 A CN 104599890A
- Authority
- CN
- China
- Prior art keywords
- conductor
- connecting rod
- port lid
- connection slot
- conductor port
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0358—Connections to in or out conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/045—Details of casing, e.g. gas tightness
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to a connection structure of conductor hole covers of a gas insulated switchgear. The conductor hole covers can be conveniently assembled on the holes symmetrically formed in surfaces on the two sides of conductor by means of a connecting rod, and the electric field distribution can be improved by smoothly forming the surface of the conductor. The connection structure according to the illustrative embodiment of the invention comprises the conductor, a pair of conductor hole covers and the connecting rod, wherein a pair of holes are formed in the two sides of the conductor and are symmetrical with each other; the guide hole covers are connected to the pair of holes respectively; each of the pair of conductor hole covers is provided with a connecting groove on the middle part of the conductor hole cover; the connecting rod is formed in the shape of a linear rod and is provided with two end parts which are inserted into the connecting grooves to be vertically connected to the conductor hole covers respectively.
Description
Technical field
This specification relates to the draw bail of the conductor port lid of a kind of gas-insulated switchgear (GIS), particularly relate to the draw bail of the conductor port lid of a kind of GIS, it can be convenient to conductor port lid to be assembled to the hole be formed in symmetrically in the both side surface of wire by means of connecting rod, and can improve Electric Field Distribution by forming conductive surface smoothly.
Background technology
Generally speaking; gas-insulated switchgear (GIS) is a kind of electronic equipment; it is arranged in the circuit between the mains side of power-supply system and load-side; with box lunch under normal current status; when being switched on or switched off circuit artificially; or when producing the fault current of such as earthed circuit or short circuit in circuit, come protection power source system and load equipment by safety cut-off electric current.
GIS typically comprises circuit breaker, separating switch, earthed switch, bus, conductor etc., and all these is arranged in the can being full of SF6 gas.
Here, circuit breaker is the main equipment of open circuit under the malfunction of such as overload, short circuit etc.In normal state, circuit breaker manual or electronic mode can be switched on or switched off circuit, and under nonserviceabling, automatic shutoff circuit.Earthed switch can be arranged on the two ends of circuit breaker, so that when keeping in repair manually by main circuit grounding, and removes the residual current on conductor in maintenance of equipment with when detecting.Separating switch is the equipment for being switched on or switched off circuit changing main circuit connection under the no-load condition for opening at the circuit breaker of GIS.
As connecting or equipment example of split circuit, illustrate the separating switch of the GIS according to prior art in FIG.As mentioned above, separating switch is configured to closed under no-load current state or opens.
Separating switch can comprise movable part 1 and fixed part 2.Can come by this way to close or open this circuit: make movable contactor 3 move horizontally to contact with fixed contact 4 or be separated.High pressure can be applied to the conductor forming movable part 1 and fixed part 2 by electricity.Conductor can be remained in casing to keep insulation characterisitic.
Such equipment that is closed and that open of executive circuit can be configured to dissimilar conductor.Conductor can be provided with the conductor bores 5 for inside processing.When forming conductor bores 5, foreign matter may be introduced conductor or Electric Field Distribution may worsen.In order to solve this problem, conductor port lid can be set.This structure can with reference to as prior art example, and title is " the viewport structure of GIS ", and publication number is that the Korean Patent of 10-2007-0038334 is understood.
But conductor port lid is typically configured to concave-convex form, and define outstanding due to many attachment bolts etc., this causes Electric Field Distribution to weaken.
Summary of the invention
Therefore, a scheme of detail specifications is the draw bail of the conductor port lid providing a kind of gas-insulated switchgear (GIS), this GIS can be beneficial to by means of connecting rod and conductor port lid is assembled to the hole formed symmetrically in the both side surface of conductor, and improves Electric Field Distribution by forming conductive surface smoothly.
Consistent with object of the present invention in order to realize these or other advantage, as embodying and extensively describe here, provide the draw bail of the conductor port lid of a kind of gas-insulated switchgear (GIS), this structure comprises: conductor, have pair of holes on both sides, this is mutually symmetrical to hole; Pair of conductors port lid, it is connected to this hole respectively, and this has to each of conductor port lid the connection slot gone up in the middle; With the connecting rod formed with linear bar shape, its have be inserted into connection slot two ends to be vertically connected to conductor port lid respectively.
Here, the inner surface of connection slot can be formed with screw thread, and the screw thread corresponding with the screw thread of connection slot can be formed on the both ends of coupling bar, so that connecting rod is threadedly coupled to conductor port lid.
The screw thread that connecting rod both ends are formed can opposite directions be formed.
The both ends of connecting rod shrink-fit mode can be connected to connection slot.
Connecting rod can be divided into head rod and the second connecting rod, and it is connected to conductor port lid respectively, and head rod and the second connecting rod can thread connection each other.
Head rod and the second connecting rod can the mode of shrink-fit be fixed to one another.
Connecting rod can have the diameter mid portion larger than other parts of connecting rod.
In the draw bail of the conductor port lid of GIS according to an embodiment of the invention, conductor port lid can be easy to be connected to by means of coupling bar the hole be formed in symmetrically in the both side surface of conductor.
The surface of the draw bail of conductor port lid can be formed smoothly, to improve Electric Field Distribution.Similarly, port lid can be connected by connecting rod with two and be convenient to assembling.
By the detailed description hereafter provided, the further scope of application of the application will become more clear.But, should be understood that, because to those skilled in the art, variations and modifications in spirit and scope of the present disclosure will be become apparent by detailed description here, therefore represent that these detailed description of preferred embodiment of the present disclosure and particular example are only provided by the mode of elaboration.
Accompanying drawing explanation
Be included to provide the accompanying drawing of a further understanding of the present invention to show exemplary embodiment, accompanying drawing is merged in and forms the part of this specification, and itself and specification one are used from explains principle of the present invention.
In the accompanying drawings:
Fig. 1 is the longitudinal sectional view of the separating switch of GIS according to prior art;
Fig. 2 is the stereogram of the draw bail of the conductor port lid of the GIS shown according to an exemplary embodiment of the present disclosure;
Fig. 3 is the exploded perspective view of Fig. 2;
Fig. 4 is the cutaway view of the A-A part of Fig. 2;
Fig. 5 is the stereogram of the draw bail of the conductor port lid of GIS according to another exemplary embodiment of the present disclosure; And
Fig. 6 is the stereogram of the draw bail of the conductor port lid of GIS according to another exemplary embodiment of the present disclosure.
Embodiment
The detailed description of exemplary embodiment is provided referring now to accompanying drawing.Preferred embodiment of the present disclosure be only illustrative to describe this specification in detail so that the those skilled in the art belonging to the present invention can realize this invention easily, and should not be interpreted as the restriction to disclosure scope.
In present invention, the component usage flag " ' arranged in pairs " distinguish, such as pair of holes 11 and 11 ', and pair of conductors port lid 20 and 20 '.Here, the description of simple use hole 11 or conductor port lid 20 can be applied to equally and use another hole 11 ' or another conductor port lid 20 '.Similarly, when needs differentiation a pair, term " " and " another " will be used.Such as, a conductor port lid 20 and another conductor port lid 20 ' is expressed as.
Draw bail according to the conductor port lid of the GIS of exemplary embodiment of the present disclosure can comprise: conductor 10, and it has the pair of holes 11 and 11 ' being formed in conductor 10 both sides symmetrically; Pair of conductors port lid 20 and 20 ', has the connection slot 23 and connection slot 23 ' gone up in the middle respectively; With coupling bar 30, it is formed as rod and has the both ends 31 and 32 being connected to connection slot 23 and connection slot 23 ' respectively, to be vertically connected to conductor port lid 20 and conductor port lid 20 '.
Fig. 2 is the stereogram of the draw bail of the conductor port lid of GIS according to an exemplary embodiment of the present disclosure, and Fig. 3 is the exploded perspective view of Fig. 2, and Fig. 4 is the cutaway view of the A-A part of Fig. 2.Hereinafter, an exemplary embodiment of the present disclosure is described in detail with reference to Fig. 2 to Fig. 4.
The conductor forming fixed part or movable part can be provided with the pair of holes 11 that formed on the components and 11 ' (see Fig. 3 and 4) guarantees working space.This is formed on the both sides of conductor 10 symmetrically to hole 11 and 11 '.Preferably, each hole 11 and 11 ' can be formed as circular.Can respectively hole 11 and 11 ' outer surface on be formed flatly installation portion 12 and installation portion 12 '.
Conductor port lid 20 and conductor port lid 20 ' can be formed as patchhole 11 and hole 11 ' respectively.Each conductor port lid 20 and 20 ' can comprise main part 21, main part 21 ' and flange portion 22 and flange portion 22 '.Each main part 21 and 21 ' can be substantially shaped as the shape of plectane, and its interior diameter is identical with the interior diameter in hole 11, hole 11 ' or slightly little.Connection slot 23 and connection slot 23 ' can be respectively formed at the center of main part 21 and main part 21 '.Screw thread can be formed in each connection slot 23 and 23 ' inner side on.
Respective conductors port lid 20 and 20 ' flange portion 22 and flange portion 22 ' extend to the outside of main part 21 and main part 21 ' respectively.The inner surface of flange portion 22 and flange portion 22 ' can be corresponding with the installation portion 12 of conductor 10 and installation portion 12 ' respectively.Flange portion 22 can form the convex surface identical with conductor 10 with the outer surface of flange portion 22 '.This can cause the beneficial effect of Electric Field Distribution.
The material of conductor port lid 20, conductor port lid 20 ' is identical with the raw material of conductor 10.
Connecting rod 30 can be formed as the shape of linear bar.Connecting rod 30 can have with from the connection slot 23 of a conductor port lid 20 to length corresponding to the length of the connection slot 23 ' of another conductor port lid 20 '.The mid portion of connecting rod 30 can form the diameter had for larger than the diameter of other parts.This can be beneficial to form center of gravity to obtain the stability of connecting rod 30.Similarly, when connecting rod 30 rotates, this structure can increase the revolving force at the both ends 31 and 32 being applied to connecting rod 30.The both ends 31 and 32 of connecting rod 30 can form screw thread.The screw thread that the both ends 31 and 32 of connecting rod 30 are formed can equidirectional (being such as, all in a clockwise direction) or opposite directions formation.When forming screw thread with opposite directions on both ends 31 and 32, connecting rod 30 can rotate so that this can connect conductor port lid 20 and 20 ' simultaneously in conductor 10.
Hereinafter, the description of the assembling process of the draw bail of the conductor port lid of GIS will provided according to an exemplary embodiment of the present disclosure.
First, will the both ends 31 and 32 being described in connecting rod 30 be formed the situation with direction opposite each other screw thread.An end 31 of connecting rod 30 partly can be threadedly coupled to the connection slot 23 of a conductor port lid 20.Then the other end part 31 being partly threadedly coupled to the connecting rod 30 in the connection slot 23 of another conductor port lid 20 can be inserted in the hole 11 of conductor 10.The connection slot 23 ' of another conductor port lid 20 ' partly can be threadedly coupled to the other end 32 of connecting rod 30.Then, two conductor port lids 20 and 20 ' stationary state under, connecting rod 30 can be rotated to make both ends 31 and 32 fully to engage with the connection slot 23 and 23 ' of conductor port lid 20 and 20 ' respectively.
Hereinafter, will the both ends 31 and 32 being described in connecting rod 30 be formed the situation of the screw thread formed with equidirectional.The end 31 of connecting rod 30 fully can be connected to the connection slot 23 of a conductor port lid 20.Then the end 31 being connected to the connecting rod 30 of the connection slot 23 of a conductor port lid 20 completely can be inserted in the hole 11 of conductor 10.The connection slot 23 ' of another conductor port lid 20 ' can be connected to the end 32 of connecting rod 30.Then, another conductor port lid 20 ' can be rotated.As a result, connecting rod 30 and conductor port lid 20 can be coupled to each other fully with conductor port lid 20 '.Here, as rotating the method for another conductor port lid 20 ', can be applied under the fixing state of a conductor port lid 20 by pressing the method that another conductor port lid 20 ' makes it rotate from outside.Here, because the screw thread formed on the both ends 31 and 32 of connecting rod 30 has identical direction, so when rotating another conductor port lid 20 ', conductor port lid 20 can receive the power on coupling direction.
Hereinafter, with reference to Fig. 5, another exemplary embodiment is described.Here, the component different from embodiment before will be described.
The both ends 31 and 32 of the connection slot 23 of conductor port lid 20 and conductor port lid 20 ' and connection slot 23 ' and connecting rod 30 can not have screw thread.End 31 and end 32 and connection slot 23 and connection slot 23 ' can have enough sizes and be coupled to each other in the mode of shrink-fit.For this reason, tapered portion can be formed on connection slot 23 and connection slot 23 ' and both ends 31 and both ends 32.
Will be described below the assembling process of this exemplary embodiment.An end 31 of connecting rod 30 can be inserted in a conductor port lid 20.In this state, a conductor port lid 20 can insert in the hole 11 of conductor 10.Another conductor port lid 20 ' can be inserted in the other end 32 of connecting rod 30.Pressure can applied on conductor port lid 20 and both directions of conductor port lid 20 ', thus complete assembling process.
Hereinafter, with reference to Fig. 6, another exemplary embodiment is described.Here, the component different from embodiment before will be described.
Here, connecting rod 30 can be divided into two parts, i.e. head rod 35 and the second connecting rod 36.Screw thread can be formed to be connected to the connection slot (not showing in the drawings) of a conductor rods port lid 20 on of head rod 35 end.Attachment tabs 35a can be formed on the other end of head rod 35.The outer surface of attachment tabs 35a can form screw thread.
Screw thread can be formed to be connected to the connection slot 23 ' of conductor port lid 20 ' on one end of the second connecting rod 36.Connection slot 36a can be formed on the other end of the second connecting rod 36.Screw thread can be formed on the inner surface of connection slot 36a.
Second connecting rod 36 can be connected to conductor port lid 20 ' to be inserted in the hole 11 ' of conductor 10.Head rod 35 can be connected to conductor port lid 20 to be inserted into subsequently in the hole 11 of conductor 10.Then, the attachment tabs 35a of head rod 35 can be connected to the connection slot 36a of the second connecting rod 36.
In this exemplary embodiment, head rod 35 and the second connecting rod 36 also can form with conductor port lid 20 and 20 ' respectively.
Similarly, attachment tabs 35a and connection slot 36a also can the mode of shrink-fit be coupled to each other, and does not need to form screw thread thereon.
Above-described embodiment and advantage are only exemplary, and should not be interpreted as restriction of the present disclosure.This instruction can easily be applied in the device of other types.This specification is intended to be illustrative, instead of in order to limit the scope of claim.To those skilled in the art, multiple replacement, improvement and change will be apparent.The feature of exemplary embodiment described herein, structure, method and other characteristics can combine in every way, to obtain extra and/or optional exemplary embodiment.
Because eigen can be embodied as various ways when not departing from its characteristic, so should be understood that equally, except as otherwise noted, above-described embodiment not limited by any details of aforementioned specification, but the explanation of broad sense should be carried out in claims limited range, therefore, drop on all modifications in the scope of claim or the equivalency range of this scope and improve intention and comprised by appended claim.
Claims (7)
1. a draw bail for the conductor port lid of gas-insulated switchgear, described structure comprises:
Conductor, has pair of holes on both sides, and this is mutually symmetrical to hole;
Pair of conductors port lid, it is connected to this respectively to hole, and this has to each of conductor port lid the connection slot gone up in the middle; With
With the connecting rod that linear bar shape is formed, it has and is inserted into two ends in described connection slot to be vertically connected to described conductor port lid respectively.
2. structure as claimed in claim 1, is wherein formed with screw thread on the inner surface of described connection slot, and on the both ends of connecting rod, forms the screw thread corresponding with the screw thread of described connection slot, so that connecting rod is threadedly coupled to described conductor port lid.
3. structure as claimed in claim 2, the screw thread wherein formed on the both ends of described connecting rod is formed with opposite directions.
4. structure as claimed in claim 1, the both ends of wherein said connecting rod are connected to described connection slot in shrink-fit mode.
5. structure as claimed in claim 1, wherein said connecting rod is divided into head rod and the second connecting rod, and it is connected to described conductor port lid respectively, and described head rod and described second connecting rod thread connection each other.
6. structure as claimed in claim 5, wherein said head rod and described second connecting rod are fixed to one another in the mode of shrink-fit.
7. structure as claimed in claim 1, wherein said connecting rod has the diameter mid portion larger than other parts of connecting rod.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310534970.5A CN104599890B (en) | 2013-11-01 | 2013-11-01 | The draw bail of the conductor port lid of gas-insulated switchgear |
KR1020140009109A KR101563588B1 (en) | 2013-11-01 | 2014-01-24 | Coupling Structure of Conductor Hole Cover of GIS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310534970.5A CN104599890B (en) | 2013-11-01 | 2013-11-01 | The draw bail of the conductor port lid of gas-insulated switchgear |
Publications (2)
Publication Number | Publication Date |
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CN104599890A true CN104599890A (en) | 2015-05-06 |
CN104599890B CN104599890B (en) | 2017-03-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201310534970.5A Expired - Fee Related CN104599890B (en) | 2013-11-01 | 2013-11-01 | The draw bail of the conductor port lid of gas-insulated switchgear |
Country Status (2)
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KR (1) | KR101563588B1 (en) |
CN (1) | CN104599890B (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1103515A (en) * | 1993-03-16 | 1995-06-07 | 株式会社日立制作所 | Sealed container and method for assembling it |
CN1134595A (en) * | 1995-01-06 | 1996-10-30 | Gec阿尔斯托姆T&D公司 | Circuit-breaker having two interrupting chambers per pole |
KR20070038334A (en) * | 2005-10-05 | 2007-04-10 | 현대중공업 주식회사 | View port structure of gas insulated switch gear |
CN101611523A (en) * | 2007-02-06 | 2009-12-23 | 西门子公司 | The encapsulation section of gas isolated high-tension apparatus |
CN101882527A (en) * | 2010-06-23 | 2010-11-10 | 广西中电新源电气有限公司 | Three-station isolating/grounding switch adopting floating structure and self-adaptive conductive contact |
CN202102951U (en) * | 2011-01-18 | 2012-01-04 | 厦门智能达电控有限公司 | Sealing structure of gas-filled circuit breaker |
CN202474789U (en) * | 2011-11-30 | 2012-10-03 | 上海西电高压开关有限公司 | Fracture-type oil gas casing pipe and cable terminal structure |
FR2981785A1 (en) * | 2011-10-25 | 2013-04-26 | Alstom Technology Ltd | DEVICE FOR ELECTRICALLY HANDLING A JUNCTION POINT BETWEEN TWO PARTS OF A NETWORK |
-
2013
- 2013-11-01 CN CN201310534970.5A patent/CN104599890B/en not_active Expired - Fee Related
-
2014
- 2014-01-24 KR KR1020140009109A patent/KR101563588B1/en active IP Right Grant
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1103515A (en) * | 1993-03-16 | 1995-06-07 | 株式会社日立制作所 | Sealed container and method for assembling it |
CN1134595A (en) * | 1995-01-06 | 1996-10-30 | Gec阿尔斯托姆T&D公司 | Circuit-breaker having two interrupting chambers per pole |
KR20070038334A (en) * | 2005-10-05 | 2007-04-10 | 현대중공업 주식회사 | View port structure of gas insulated switch gear |
CN101611523A (en) * | 2007-02-06 | 2009-12-23 | 西门子公司 | The encapsulation section of gas isolated high-tension apparatus |
CN101882527A (en) * | 2010-06-23 | 2010-11-10 | 广西中电新源电气有限公司 | Three-station isolating/grounding switch adopting floating structure and self-adaptive conductive contact |
CN202102951U (en) * | 2011-01-18 | 2012-01-04 | 厦门智能达电控有限公司 | Sealing structure of gas-filled circuit breaker |
FR2981785A1 (en) * | 2011-10-25 | 2013-04-26 | Alstom Technology Ltd | DEVICE FOR ELECTRICALLY HANDLING A JUNCTION POINT BETWEEN TWO PARTS OF A NETWORK |
CN202474789U (en) * | 2011-11-30 | 2012-10-03 | 上海西电高压开关有限公司 | Fracture-type oil gas casing pipe and cable terminal structure |
Also Published As
Publication number | Publication date |
---|---|
KR101563588B1 (en) | 2015-10-27 |
CN104599890B (en) | 2017-03-01 |
KR20150051113A (en) | 2015-05-11 |
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Granted publication date: 20170301 Termination date: 20201101 |