CN201130630Y - Pole unit for vacuum protection switch - Google Patents
Pole unit for vacuum protection switch Download PDFInfo
- Publication number
- CN201130630Y CN201130630Y CNU2007201463237U CN200720146323U CN201130630Y CN 201130630 Y CN201130630 Y CN 201130630Y CN U2007201463237 U CNU2007201463237 U CN U2007201463237U CN 200720146323 U CN200720146323 U CN 200720146323U CN 201130630 Y CN201130630 Y CN 201130630Y
- Authority
- CN
- China
- Prior art keywords
- utmost point
- bolt
- insulator
- point carrier
- pole unit
- 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
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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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H2033/6665—Details concerning the mounting or supporting of the individual vacuum bottles
Landscapes
- Particle Accelerators (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model relates to a polar unit for a vacuum protection switch, comprising a metal polar carrier (2), a turning unit comprising an insulated turning bracket (3), a guiding element and an external insulator (4), both of which are hinged on the turning bracket; wherein the turning bracket (3) and the insulator (4) are respectively fixed on a fixation element (15) of the polar carrier (2) through a plurality of through holes (22, 23, 28) on the polar carrier (2), which get through the insulator (4), and a plurality of bolts (5, 6, 7, 8) extended from the turning bracket; and the polar carrier (2) is electrically connected with the bolts (5, 6, 7, 8).
Description
Technical field
The utility model relates to a kind of pole unit (Poleinheit) that is used for the vacuum protection switch.
Background technology
By the known a kind of vacuum protection switch of DE 19850206 A1.
The utility model content
For such pole unit being configured to make it when having easy installation, can use under higher voltage, according to this pole unit of the utility model be provided with the utmost point carrier of metal, by the insulation steering unit that constitutes of turning rack and guide and an outer insulator of on this turning rack, hingedly settling, wherein, described turning rack and insulator be respectively on the retaining element that is bolted to described utmost point carrier by means of through hole that extends through this insulator, described utmost point carrier and turning rack, and form described utmost point carrier and be connected with conduction between the bolt.
A kind ofly like this conduct electricity that to connect be favourable, because in simple mode bolt is remained on the current potential identical with utmost point carrier thus, thereby especially between bolt end of from described insulator or turning rack, stretching out and utmost point carrier, the electric field distortion can not occur, thereby prevent the partial discharge process.
A kind of preferred embodiment in, metal sheet by the U-shaped structure forms indirect conduction connection, this metal sheet extends like this around the fixed tabs of insulator, makes the side leg segment of winning be arranged between described utmost point carrier and the insulator and the second side leg segment is arranged between described insulator and the bolt.Metal sheet by this U-shaped structure can guarantee that bolt is connected with conduction between the utmost point carrier in simple mode, preferably is made of copper or steel and preferably has the boundary in the thickness between the 0.1mm to 0.5mm at this this metal sheet.
In another favourable expansion design, the metallic interconnect by U-shaped structure forms indirect conduction and connects, and this metallic interconnect is clamped between the additional rib of described utmost point carrier with two side leg segment and described bolt extends through the bottom surface of this connecting plate.Can form utmost point carrier in simple especially mode equally by means of the metallic interconnect of this U-shaped structure and be connected, can guarantee reliable contact the between this plate and the utmost point carrier by two side leg segment in the clamping between the additional rib of described utmost point carrier simultaneously with conduction between the bolt.
In another different favourable expansion design, form indirect conduction by metallic gasket and connect, this pad is arranged between described utmost point carrier and the insulator and has the through hole that is used for described bolt, and the diameter of this through hole is less than or equal to the diameter of bolt.Can form conduction in simple mode by means of this pad connects.
In another preferred embodiment, forming direct conduction by the screw thread in the through hole of described utmost point carrier connects, by this screw thread this bolt that is used for fixing described turning rack is tightened on the described utmost point carrier, wherein this insulator is fixed on the bolt that stretches out from this insulator on the described utmost point carrier by means of nut.The conduction that constitutes by means of the thread forms in this utmost point carrier connects and can guarantee in simple mode, bolt has the current potential identical with utmost point carrier, advantageously improved the partial discharge fail safe thus, simultaneously by turning rack being tightened on described utmost point carrier and reaching simply assembling in this project organization on the bolt by insulator being tightened on by means of nut.
Description of drawings
By means of embodiment the utility model is elaborated with reference to the accompanying drawings, in the accompanying drawing:
Fig. 1 illustrates the cross-sectional view according to an embodiment of pole unit of the present utility model;
Fig. 2 illustrates along the profile of Fig. 1 section line A-A;
Fig. 3 illustrates along the profile of Fig. 1 section line B-B.
Embodiment
Fig. 1 illustrates the pole unit 1 that is used for the vacuum protection switch, and it has the utmost point carrier 2 of metal, and the turning rack of being made by insulating material 3 is fixed on the utmost point carrier by means of bolt 5,6,7 and 8 with the utmost point shell 4 as insulator.Pole unit 1 comprises vacuum switch tube 9, and its unshowned in the drawings fixed contact links to each other with first contact, 10 conductions and its same in the drawings unshowned moving contact links to each other with second contact, 11 conductions.Link to each other with second connector 11 by flexible electrical conductors 12 and drive rod 13 by insulation mechanically is connected with not shown driver element at the moving contact of this vacuum switch tube 9, so that actuation movement is incorporated on the moving contact.Drive rod 13 by driver element and insulation is incorporated into actuation movement on the moving contact, thereby can realize opening or closing the contact system that is made of moving contact and fixed contact, with Control current.Hingedly fix a not shown guide in pole unit 1 on the turning rack of insulation, this guide equally hingedly is fixed on the moving contact of vacuum switch tube, and it is used for bearing the cross force that occurs in switching process.
Fig. 2 illustrates along the profile of Fig. 1 section line A-A.There is shown by means of bolt 5 and 6 in this shown in Figure 2 analysing and observe turning rack 3 and utmost point shell 4 are fixed on the utmost point carrier 2 of metal.Have additional rib 14 with moving contact with the metal utmost point carrier 2 that flexible electrical conductors 12 keeps conduction to be connected, it is used to improve the creepage intensity of pole unit 1.Turning rack 3 is fixed on the retaining element 15 of utmost point carrier 2 by means of bolt 5 and 6 with its fixed tabs 16 and 17 with utmost point shell 4, and bolt 5 and 6 extends through the retaining element 15 and the turning rack 3 of fixed tabs 16 or 17, utmost point carrier 2.For this reason, turning rack 3 has tank 18,19, can distinguish form fit ground embedded nut 20 or 21 in this tank, thereby can bolt 5 and 6 is tightened on nut 20 or 21 in simple mode.Assembling for convenience, the through hole 22 of said utmost point carrier 2 and 23 diameter are greater than the diameter of bolt 5 and 6.For this assembling capacity easily to guarantee bolt 5 and 6 with the utmost point carrier 2 of metal between conduction be connected (galvanische Verbindung), in Fig. 2, two different devices are shown with Reference numeral 24 and 25, guarantee that by them this conduction connects.With Reference numeral 24 expression one U-shaped plate 24, its have the first side leg segment between the fixed tabs 17 that is in utmost point carrier 2 and insulator 4 and be in fixed tabs 17 and bolt 6 between the second side leg segment.The second side leg segment of U-shaped plate 24 plays the effect of contact chip to a certain extent, has formed conduction and be connected between the utmost point carrier 2 of this project organization by U-shaped at bolt 6 and metal.With the another kind of different project organization of Reference numeral 25 expression one U-shaped structure connecting plate 25, this connecting plate 25 is clamped between the additional rib 14 of utmost point carrier in advance tightly with two side leg segment elasticity and bolt 5 passes this connecting plate 25 bottom surfaces.The connecting plate 25 that utilizes this U-shaped forms conduction equally and is connected between utmost point carrier 2 and bolt 5.
Fig. 3 represents along the profile of Fig. 1 section line B-B.With Reference numeral 26 and 27 express bolt 7 or 8 with the utmost point carrier 2 of metal between form other different possibilities that conduction connects.With Reference numeral 26 expression metallic gaskets, it is arranged between the fixed tabs 28 of utmost point carrier 2 and utmost point shell 4 and has through hole, the diameter of this through hole is equal to or less than the diameter of bolt 7 substantially, makes to guarantee that by pad 26 bolt is connected with conduction between utmost point carrier 2.Reference numeral 27 is illustrated in the screw thread that is provided with in utmost point carrier 2 through holes 28, reaches bolt 8 to be tightened on utmost point carrier 2 and therefore to reach bolt 8 by this screw thread to be connected with utmost point carrier 2 direct conductions.Turning rack 3 is fixed on the utmost point carrier 2 by means of bolt 8 at this, wherein turning rack 3 has groove 30, introduces bolt 8 by this groove and also can bolt 8 be tightened on utmost point carrier 2 by means of instrument.For in this expansion design equally with on utmost point shell 4 set bolts 8, make bolt 8 extend through the through hole 31 of utmost point shell 4 and screw by means of nut, thereby also utmost point shell 4 is fixed on the utmost point carrier 2 in the side of stretching out from utmost point shell 4.
It will be apparent to those skilled in the art that Fig. 2 with 3 in Reference numeral 24,25,26 and 27 expressions be used for constitute device that bolt and utmost point carrier 2 direct or indirect conductions are connected and can be applied to respectively according to all bolts 5,6,7 shown in Figure 1 and 8 and only represented wherein part bolt for example at Fig. 2 and 3.
Claims (5)
1. pole unit that is used for the vacuum protection switch; it has metal utmost point carrier (2); by the steering unit of insulation turning rack (3) formation and a guide and an outer insulator (4) of on this turning rack, hingedly settling; it is characterized in that; described turning rack (3) and insulator (4) are respectively by means of passing this insulator (4); the through hole (22 of this utmost point carrier (2); 23; 28) and the bolt (5 that extends of turning rack (3); 6; 7; 8) be fixed on the retaining element (15) of this utmost point carrier (2), and at described utmost point carrier (2) and bolt (5,6; 7,8) forming conduction between connects.
2. according to the described pole unit of claim 1, it is characterized in that, metal sheet (24) by the U-shaped structure forms indirect conduction connection, this metal sheet extends like this around the fixed tabs (16,17) of described insulator, promptly, make the side leg segment of winning be arranged between described utmost point carrier (2) and the insulator (4) and the second side leg segment is arranged at described insulator (4) and bolt (5,6,7,8) between.
3. according to the described pole unit of claim 1, it is characterized in that, metallic interconnect (25) by the U-shaped structure forms indirect conduction connection, this metallic interconnect (25) is clamped between the additional rib (14) of described utmost point carrier (2) and described bolt (5 with two side leg segment, 6,7,8) realization extends through the bottom surface of this connecting plate contiguously.
4. according to the described pole unit of claim 1, it is characterized in that, form indirect conduction by metallic gasket (26) and connect, this pad is arranged between described utmost point carrier (2) and the insulator (4) and has and is used for described bolt (5,6,7,8) through hole, the diameter of this through hole is less than or equal to bolt (5,6,7,8) diameter.
5. according to the described pole unit of claim 1, it is characterized in that, by the through hole (22 of described utmost point carrier (2), 23,28) Nei screw thread (27) forms directly conduction connection, is used in the bolt (5,6 of fixing described turning rack (3) by this screw thread, 7,8) be tightened on the described utmost point carrier (2), wherein described insulator (4) be fixed on the bolt (5,6 that stretches out on the described utmost point carrier (2) from this insulator (4) by means of nut (30), 7,8) on.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200620008708 DE202006008708U1 (en) | 2006-05-29 | 2006-05-29 | Pole unit for vacuum circuit breaker, has guide retainer and insulating body that are fastened to retaining unit of pole carrier by screws, where galvanic connection is provided between pole carrier and screws |
| DE202006008708.7 | 2006-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201130630Y true CN201130630Y (en) | 2008-10-08 |
Family
ID=36934391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201463237U Expired - Fee Related CN201130630Y (en) | 2006-05-29 | 2007-05-25 | Pole unit for vacuum protection switch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201130630Y (en) |
| DE (1) | DE202006008708U1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354996A (en) * | 2018-04-10 | 2019-10-22 | Bsh家用电器有限公司 | The ventilation device of the filter unit of electrostatic and the filter unit with electrostatic |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007038897B3 (en) * | 2007-08-14 | 2009-02-05 | Siemens Ag | Pole unit for a vacuum contactor switch |
| JP6776156B2 (en) * | 2017-03-03 | 2020-10-28 | 株式会社日立産機システム | Vacuum breaker |
-
2006
- 2006-05-29 DE DE200620008708 patent/DE202006008708U1/en not_active Expired - Lifetime
-
2007
- 2007-05-25 CN CNU2007201463237U patent/CN201130630Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354996A (en) * | 2018-04-10 | 2019-10-22 | Bsh家用电器有限公司 | The ventilation device of the filter unit of electrostatic and the filter unit with electrostatic |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202006008708U1 (en) | 2006-08-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 |