CN104685588B - Device for conductor to be hermetic directed through to housing wall - Google Patents
Device for conductor to be hermetic directed through to housing wall Download PDFInfo
- Publication number
- CN104685588B CN104685588B CN201380051017.3A CN201380051017A CN104685588B CN 104685588 B CN104685588 B CN 104685588B CN 201380051017 A CN201380051017 A CN 201380051017A CN 104685588 B CN104685588 B CN 104685588B
- Authority
- CN
- China
- Prior art keywords
- insulating sleeve
- outside
- housing wall
- conductor
- depression
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/26—Lead-in insulators; Lead-through insulators
- H01B17/30—Sealing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Gas-Insulated Switchgears (AREA)
- Insulators (AREA)
- Insulating Bodies (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The present invention relates to a kind of device for being used to hermetic being directed through conductor into the housing wall of housing wall, especially discharge device for overvoltage protection or measuring transformer, described device has the insulating sleeve of inside that is arranged on case inside and is opposed to be arranged in the insulating sleeve of the outside in hull outside with the insulating sleeve of the inside.The conductor edge guiding axis is directed through the insulating sleeve of inside, the insulating sleeve for being open and passing through outside through housing wall.According to the present invention, the insulating sleeve of the outside is torsionally fixedly installed in the depression of the housing wall relative to guiding axis.It when fixing bolt is being arranged on case inside during assembling described device, can thus make insulating sleeve not servo rotary, and therefore need not be also fixed using instrument, this simplifies assembling.
Description
It is according to claim 1 as described in the preamble for conductor to be hermetic directed through the present invention relates to one kind
The device of housing wall.
Gas isolated switchgear generally has such component, and the component is also needed in addition to high pressure guidance part
For ground joint or the guidance part of monitoring device.This component is, for example, discharge device for overvoltage protection, anti-to the overvoltage
The ground connection guidance part of shield discharger should monitor occurred derived current.Conductor is made from air tight enclosure by this guidance part
Inside outwards guide, wherein, conductor must be electrically insulated relative to housing.Because the voltage occurred is very small here, lead to
It is sufficient that normal two insulating sleeves are as guidance part, the insulating sleeve is arranged in enclosure interior or outer on shell nozzle
Portion.Conductor is directed through internal sleeve pipe, contactlessly passes through shell nozzle and passes through outside sleeve pipe from internal.
The technical problems to be solved by the invention are to be used to conductor being airtightly directed through housing wall there is provided a kind of
Device, described device can be assembled particularly simply.
The technical problem is solved by the device according to claim 1 according to the present invention.
Here, being used for conductor to be hermetic directed through to housing wall, especially discharge device for overvoltage protection or measurement
The device of the housing wall of transformer has the insulating sleeve for the inside being arranged on case inside and the insulating sleeve with the inside
The insulating sleeve for the outside for being opposed to be arranged in hull outside.Conductor is directed through the insulation sleeve of inside along guiding axis
Pipe, through housing wall opening and through outside insulating sleeve.According to the present invention, outside insulating sleeve is relative to guidance axis
Line is torsionally fixed in the depression of housing wall.This can for example be achieved in, i.e. the housing side in outside insulating sleeve
Direction arrangement on face along guiding axis is swelled, for example sold, and the corresponding female that the pin is engaged in hull outside is aerial.When in dress
During with being screwed to the fixing nut on case inside on conductor during device, insulating sleeve can be thus set not to be servo-actuated rotation
Turn, and be therefore also not necessarily fixed using instrument, this simplifies assembling.
In a kind of preferred design of the present invention, at least the one of the insulating sleeve of depression and outside in housing wall
The individual section for putting in the depression has overlapping or consistent and relative to the non-rotationally-symmetric cross section of guiding axis.For example it is exhausted
Edge sleeve pipe can be cylindrical, and with polygonal crosssection, the polygonal crosssection carries three, four or six
It is preferred that the depression in the angle of rounding, housing wall has corresponding cross section, so that outside insulating sleeve can be extended partially into
In depression.Make the insulating sleeve of outside torsionally solid relative to the rotation around guiding axis from there through polygonal cross section
It is fixed.Because the outline of the respective design by outside insulating sleeve realizes antitorque protection, therefore in outside insulation sleeve
Device is not needed on the end face of pipe.If the end face of outside insulating sleeve is designed as plane and plane in concave interior
Ground is abutted on housing wall, then can particularly simply realize reliable sealing.In addition, insulating sleeve can particularly simply be made
Make.
In another favourable design of the present invention, conductor has backstop, the backstop for example shape-ordinatedly,
Torsionally it is fixed in the correspondence depression of the insulating sleeve of outside relative to guiding axis.Backstop can be outside the housing of conductor
In side end region it is circular, relative to guiding axis radially, the shaping that is equipped with one or more flat horizontal surfaces it is concavo-convex
Structure.Depression is correspondingly molded on the end face of the hull outside of exterior insulation sleeve pipe.Thus, on the one hand backstop be used as being used to lead
The depth stop of body, on the other hand as antitorque fixture, screws fixing nut to be assemblied on case inside so as to work as
When on to conductor, conductor again can not servo rotary.Because insulating sleeve is equally torsionally fixed, it is no longer necessary to setting tool by
Device is assemblied on the outside of housing.
The present invention is carried out below in conjunction with accompanying drawing more to illustrate in detail.In the accompanying drawings：
Fig. 1 shows the sectional view of the apparatus according to the invention；
Fig. 2 shows the view of the apparatus according to the invention from hull outside.
Mutual corresponding part is equipped with identical reference in all of the figs.
Figures 1 and 2 show that gas isolated switchgear, for example gas isolated discharge device for overvoltage protection portion
A part for the housing wall 1 of part.On shell nozzle 17, be disposed with hull outside 13 outside insulating sleeve 4, and with
The insulating sleeve of the outside is opposed to be disposed with the insulating sleeve 3 of inside on case inside 14, so as to obtain passing through two
The through hole of individual insulating sleeve 3,4 and housing wall 1.Conductor 5 is inserted by the through hole.The insulation tube 10 of two mutual sleeves
Two insulating sleeves 3,4 are connected through shell nozzle 17, and are conducive to improving the dielectric strength between conductor 5 and housing wall 1.
Conductor 5 is designed as the form of straight pin, and it has the screw thread for fixing nut 16 on case inside 14, and outside housing
There is backstop 7, on the end face for the remote housing wall 1 for abutting in the insulating sleeve 4 of outside on side 13 the stop plane shape.Lead
The cylinder axis of body 5 define guiding axis 15.The seal of annular is embedded between the insulating sleeve 4 of backstop 7 and outside
12。
Internal insulating sleeve 3 is substantially hollow cylinder (being represented herein with the bottom surface of circle), the cylinder by
End face is abutted on case inside 14.Outside insulating sleeve 4 also hollow cylindrical, but but there is rotation asymmetry
Cross section.Here it is shown that the square cross section with rounding.But cross section can also be it is polygonal, for example
For triangle or hexagon or with oval shape.Hull outside 13 has depression 6 around shell nozzle 17, described recessed
Falling into can for example be made up of milling.The cross section of depression 6 is corresponding with outside insulating sleeve 3, that is, exhausted with outside
The cross section of edge sleeve pipe is consistent, so that in the outside energy partial insertion of insulating sleeve 3 depression 6.The shell of outside insulating sleeve 4
Thus side end face is abutted on housing wall 1 to planar, and is sealed using the seal 11 of annular relative to housing wall.Pass through
Outside insulating sleeve 4 and the non-rotationally-symmetric cross section of depression 6, outside insulating sleeve is relative to around guiding axis 15
Rotation be torsionally fixedly installed on depression 6 in.
The backstop 7 of conductor 5 is arranged on disk in the hull outside end regions of conductor 5, with two flat horizontal surfaces
Formation type concaveconvex structure.Outside insulating sleeve 4 has depression 8 on its end face away from housing wall 1, and the concave shape is matched somebody with somebody
Close ground and accommodate backstop 7.Here, form fit connection is two flat horizontal surfaces formation by backstop, they abut in depression 8
On two flat side walls (here it is shown that being lug-shaped).But alternately it is also feasible that backstop 7 be equipped with only one or
Multiple flat horizontal surfaces, they are abutted in the respective wall of depression 8.Therefore, backstop 7 and thus conductor 5 relative to guiding axis 15 resist
It is fixedly installed in the insulating sleeve 4 of outside with turning round.Earth conductor cable or other electric leads can be connected to and led by coupling bar 9
On body 5.
It is preferred that the case lid is arranged on housing by device assembling in case lid after the assembling of finishing device.
In order to assemble the device for making conductor 5 hermetic be directed through housing wall 1, first respectively by insulation tube 10 insert it is outside and
In internal insulating sleeve 3,4, and for example fixed in this place by adhesive.Then, outside insulating sleeve 4 is outside housing
In the depression 6 of the insertion of side 13 housing wall 1, wherein, insulation tube 10 is inserted through shell nozzle 17.It is fixed on the insulating sleeve of inside
Insulation tube 10 on 3 is inserted into the insulating sleeve 4 of outside always from case inside 14 through shell nozzle 17.Conductor 5 is present
The insulating sleeve 4 of outside is then inserted from hull outside 13, insulation tube 10 and shell nozzle 17 is directed through and eventually passes through interior
The insulating sleeve 3 in portion is until reach case inside 14.Backstop 7 is then in the depression 8 of externally-located insulating sleeve 4.Fixing nut
16 are screwed on conductor 5 from case inside 14, and are so tightened using instrument, so that seal 11,12 is by case inside
14 seal relative to hull outside 13.Because outside insulating sleeve 4 is torsionally fixedly installed in the depression 6 of housing wall 13,
And conductor 5 is torsionally fixedly installed on using backstop 7 in the depression 8 of the insulating sleeve 4 of outside, so tightening fixing nut 16
When whether conductor 5 or outside insulating sleeve 4 all without servo rotary.Coordinated thus without using other instruments
It is fixed.
Claims (3)
1. one kind is used for the device that conductor (5) is hermetic directed through to housing wall (1), described device, which has, is arranged in housing
The insulating sleeve (3) of inside on inner side (14) and the insulating sleeve of the inside are opposed to be arranged in hull outside (13)
Outside insulating sleeve (4), wherein, the conductor (5) is directed through the insulating sleeve of inside along guiding axis (15)
(3), through housing wall opening (17) and through outside insulating sleeve (4), it is characterised in that
The insulating sleeve (4) of the outside is torsionally fixedly installed on the recessed of the housing wall (1) relative to guiding axis (15)
Fall into (6), wherein,
At least one of the depression (6) of the housing wall (1) and the insulating sleeve (4) of the outside stretch into the housing wall (1)
Depression (6) in section have it is consistent and relative to guiding axis (15) non-rotationally-symmetric cross section.
2. device according to claim 1, it is characterised in that
The conductor (5) has backstop (7), and the backstop is torsionally fixedly installed on the outside relative to guiding axis (15)
Insulating sleeve (4) corresponding depression (8) in.
3. device according to claim 1 or 2, it is characterised in that the device is used to hermetic guide conductor (5) to wear
Cross the housing wall of discharge device for overvoltage protection or measuring transformer.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012217789.2 | 2012-09-28 | ||
| DE102012217789.2A DE102012217789A1 (en) | 2012-09-28 | 2012-09-28 | Device for gastight passage of a conductor through a housing wall |
| PCT/EP2013/069723 WO2014048875A1 (en) | 2012-09-28 | 2013-09-23 | Device for guiding a conductor through a housing wall in a gastight manner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104685588A CN104685588A (en) | 2015-06-03 |
| CN104685588B true CN104685588B (en) | 2017-11-03 |
Family
ID=49301449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380051017.3A Expired - Fee Related CN104685588B (en) | 2012-09-28 | 2013-09-23 | Device for conductor to be hermetic directed through to housing wall |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2885795B1 (en) |
| JP (1) | JP6025993B2 (en) |
| KR (1) | KR101691469B1 (en) |
| CN (1) | CN104685588B (en) |
| DE (1) | DE102012217789A1 (en) |
| WO (1) | WO2014048875A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162060B (en) * | 2015-09-22 | 2017-09-19 | 深圳科安达电子科技股份有限公司 | Signal monitoring lightning prevention junction cabinet |
| JP7231339B2 (en) | 2018-06-01 | 2023-03-01 | ショット日本株式会社 | airtight terminal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360321A (en) * | 2000-12-21 | 2002-07-24 | 松下电器产业株式会社 | Terminal equipment of electric appliance |
| CN101904070A (en) * | 2007-12-20 | 2010-12-01 | 胡默尔股份公司 | Connection fitting |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5429498Y2 (en) * | 1974-09-26 | 1979-09-19 | ||
| US3936592A (en) * | 1975-01-02 | 1976-02-03 | Westinghouse Electric Corporation | Electrical bushing having a central conductor with large planar terminal portions at each end |
| US4025714A (en) * | 1975-04-04 | 1977-05-24 | Electrical Utilities Company | Self-locking terminal assembly |
| DE3606588A1 (en) * | 1986-02-28 | 1987-09-03 | Siemens Ag | Gas-tight feedthrough of a glass fibre |
| DE3820740A1 (en) * | 1988-06-18 | 1989-12-21 | Bosch Gmbh Robert | COAGULATOR FOR DEVICES FOR PURIFYING EXHAUST GAS FOSSILER FUELS |
| DE4131259A1 (en) * | 1991-09-17 | 1993-03-18 | Tro Transformatoren Und Schalt | Cable feedthrough for measuring transducer - has cast resin plate screwed or clamped into aperture with wire sleeves extending into casing |
| FR2719150B1 (en) * | 1994-04-21 | 1996-06-07 | Pioch Sa | Rod holder, especially for transformer. |
| JP3832114B2 (en) * | 1998-12-02 | 2006-10-11 | 株式会社戸上電機製作所 | Insulator, center conductor, and connection structure of the lead portion using them |
| US6395985B1 (en) * | 1999-11-23 | 2002-05-28 | Sapco | Sealed electrical terminal with anti-rotation locking system |
| JP2009081283A (en) * | 2007-09-26 | 2009-04-16 | Daihen Corp | Bushing for electric apparatus |
| DE102010020139A1 (en) * | 2010-05-11 | 2011-11-17 | Maschinenfabrik Reinhausen Gmbh | Transformer Bushing |
| DE102011009866B4 (en) * | 2011-01-31 | 2013-09-05 | Heraeus Precious Metals Gmbh & Co. Kg | Directly applied electrical feedthrough |
| DE102011110380B3 (en) * | 2011-08-17 | 2012-07-26 | Johnson Electric Dresden Gmbh | Fluid tight cable feedthrough for flat strip cable that is utilized in e.g. electronic or electrical functional element in industry, has fluid-tight sealing connection formed in area of recess or shaping and covering fixed point |
-
2012
- 2012-09-28 DE DE102012217789.2A patent/DE102012217789A1/en not_active Withdrawn
-
2013
- 2013-09-23 WO PCT/EP2013/069723 patent/WO2014048875A1/en active Application Filing
- 2013-09-23 CN CN201380051017.3A patent/CN104685588B/en not_active Expired - Fee Related
- 2013-09-23 EP EP13771426.7A patent/EP2885795B1/en active Active
- 2013-09-23 KR KR1020157007636A patent/KR101691469B1/en active IP Right Grant
- 2013-09-23 JP JP2015533551A patent/JP6025993B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360321A (en) * | 2000-12-21 | 2002-07-24 | 松下电器产业株式会社 | Terminal equipment of electric appliance |
| CN101904070A (en) * | 2007-12-20 | 2010-12-01 | 胡默尔股份公司 | Connection fitting |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012217789A1 (en) | 2014-04-03 |
| EP2885795B1 (en) | 2017-11-15 |
| JP2015536020A (en) | 2015-12-17 |
| WO2014048875A1 (en) | 2014-04-03 |
| JP6025993B2 (en) | 2016-11-16 |
| KR20150048818A (en) | 2015-05-07 |
| CN104685588A (en) | 2015-06-03 |
| EP2885795A1 (en) | 2015-06-24 |
| KR101691469B1 (en) | 2017-01-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171103 Termination date: 20180923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |