CN102610429A - Multipole low voltage switching device - Google Patents
Multipole low voltage switching device Download PDFInfo
- Publication number
- CN102610429A CN102610429A CN2012100179224A CN201210017922A CN102610429A CN 102610429 A CN102610429 A CN 102610429A CN 2012100179224 A CN2012100179224 A CN 2012100179224A CN 201210017922 A CN201210017922 A CN 201210017922A CN 102610429 A CN102610429 A CN 102610429A
- Authority
- CN
- China
- Prior art keywords
- switch
- switching device
- contact
- switch element
- aforesaid right
- 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
- 230000005405 multipole Effects 0.000 title claims description 16
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 244000287680 Garcinia dulcis Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
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
-
- 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
- H01H2033/6668—Operating arrangements with a plurality of interruptible circuit paths in single vacuum chamber
Abstract
The switching device (10) has switching contacts (30, 31) that are arranged in each switching element among multiple switching elements (20-22). The switching contacts are provided for turning OFF and ON of respective switching elements. The switching elements are arranged spatially one behind the other along direction of movement (P) of switching contacts.
Description
Technical field
The present invention relates to a kind of multipole switching device; It is suitable for break-make especially the polyphase circuit formula heterogeneous electric loading and be that each switch pole is equipped with at least one switch element; Wherein said switch element has two switch contacts respectively, and simultaneously said switch contact can be disconnected from each other and can connect mutually for the switch element of connecting separately in order to break off separately switch element.
Summary of the invention
The technical problem that the present invention will solve is, a kind of switching device is provided, and it is of compact construction and is suitable for the higher electric current of break-make.
According to the present invention, this technical problem is able to solve through a kind of multipole switching device, and this multipole switching device is suitable for the heterogeneous electric loading of break-make and is each at least one switch element of switch pole outfit,
-wherein said switch element has two switch contacts respectively, and
-wherein said switch contact is in order to break off separately switch element and can be separated from each other and for the switch element of connecting separately can connect mutually,
According to the present invention, switch element is spatially one after the other laid along the moving direction of switch contact.
A major advantage of the present invention is, because switch element is one after the other laid, between the electric arc of different switch elements, electric arc influence can not occur.Different with switch element layout side by side, in continuous switch element layout in succession, the spacing between the electric arc is very big all the time, thereby these electric arcs can not interacted.Therefore other interval region needn't be set between switch element avoids electric arc adverse influence each other.
Another major advantage of the present invention is; Switching device has very high make-break capacity; Promptly can the very big electric current of break-make, in the crowded version in space, can realize: the diameter that makes the single switch element with the make-break capacity that will reach, promptly want the electric current of break-make and increase; Thereby when switch element was laid side by side, the product that takes up room substantially with make-break capacity and number of poles enlarged pro rata.When one after the other laying switch element according to the present invention, though the diameter of single switch element also with the make-break capacity that will reach increase because switch element one after the other laid, so the diameter of switch element is unimportant; Under the situation of hoping the make-break capacity multiplication, taking up room only changes because of number of poles.Therefore also a kind of very compact structure can be provided for switching device with big make-break capacity.
If switching device is designed to circuit breaker and can under the load effect, carries out break-make, be considered to favourable.
Multipole switching device, preferably a kind of low voltage switching device of the voltage in can the following area of low pressure of break-make 1000V.When low pressure, the length of switch element can be designed to be shorter relatively with high-pressure area (more than the 1000V) differently, thereby longitudinally to lay switch element be especially favourable.In addition, when low pressure, the electric insulation between the switch element is relatively so unimportant, thus with from the cause of insulation aspect, it is different that the spacing between the switch element must be designed to be bigger high pressure, switch element can be laid by very dense ground in succession.
Preferably vacuum switch element or vacuum switch tube are used as switch element.Low pressure in the whole area of low pressure of said vacuum switch element below can break-make 1000V.Consider the application in the heavy current zone, if the size of switch element is designed to respectively, make they every extremely can be below the break-make 10kA, below the preferred 100kA or higher electric current, be considered to favourable.
Switching device preferably three utmost points or four utmost points and whenever extremely preferably have a switch element respectively.
At least one switch contact of each switch element preferably is connected with a kind of connection contact that can get at from the outside of switching device.The preferably mutual electricity in said connection contact is isolated.
According to a kind of especially preferred expansion design regulation, each switch element has at least one moving switch contact, the coaxial laying of said switch element, and moving switch contact is in the same mobile axis or same mobile axis on and move along same mobile axis.This coaxial layout is especially to save the space.
If make a kind of operating element of for example rod-like be parallel to the mobile axis of switch contact and the liftoff laying of spacer with it, also be considered to favourable.Said joystick is preferred indirectly or directly to be connected with the moving switch contact of all switch elements of multipole switch device, and can move the utmost point that these moving switch contacts switch on and off switching device.
If switch contact is connected with a kind of switch element that vertically deviates from the mobile axis extension respectively, also be considered to favourable.Two contact elements that belong to same switch element preferably stagger mutually along predefined offset direction, make between two contact elements, to form the gap.
Said gap preferred parallel is extended in mobile axis.This orientation in gap makes and can for example in said gap, lay a kind of mechanically fixing perhaps mounting rail of clamping switch element shell.The longitudinal axis of said mounting rail, preferred parallel is extended in the mobile axis of switch contact.
As substituting or replenishing, can in the gap, lay the operating element of the above-mentioned switch contact that is used for the moving switch device.
Description of drawings
According to embodiment the present invention is specified below, in the accompanying drawing:
Fig. 1 exemplarily illustrates the embodiment of the switching device that does not require protection, and said switching device has by switch element parallel or that lay side by side, and
Fig. 2 exemplarily illustrates the embodiment according to switching device of the present invention, and said switching device has by the perhaps switch element of coaxial laying in succession.
Embodiment
For explanation summarily, be that identical or corresponding element uses identical Reference numeral in the accompanying drawings.
Fig. 1 representes the switching device 10 of a kind of three utmost points or three-phase, and it is suitable for the electric loading of break-make three-phase, especially the circuit of three-phase.Said switching device 10 comprises three switch elements 20,21 and 22.In three switch elements 20,21 and 22 each; Have two switch contacts 30 and 31 respectively, said switch contact 30 can be disconnected from each other and can be connected mutually for switch element or the switch pole of connecting separately in order to break off separately switch element or switch pole with 31.Lay side by side or abreast for three switch elements 20,21 and 22 moving directions (mobile axis) P with respect to switch contact 30 and 31.
As for summarily the explanation, only according to the switch element 20 shown that kind on Fig. 1 left side, switch contact 30 is connected with 41 with contact element 40 respectively with 31.Said contact element 40 and 41 is in the above and below of switch contact 30 and 31 in Fig. 1.
Fig. 2 representes that said low voltage switching device 10 is suitable for the electric loading of break-make three-phase according to the embodiment of the low voltage switching device 10 of three utmost points of the present invention or three-phase, especially the circuit of three-phase.Low voltage switching device 10 comprises three switch elements 20,21 and 22, and they have two switch contacts 30 and 31 respectively.Said switch contact 30 can be disconnected from each other and can be connected mutually for switch element or the switch pole of connecting separately in order to break off separately switch element or switch pole with 31.In two switch contacts one, for example switch contact 30, can for example be movable, and another switch contact 31 can for example be fixed.
Different with switching device according to Fig. 1; In low voltage switching device according to Fig. 2; Lay in succession coaxially for three switch elements 20,21 and 22 moving directions (mobile axis) P, move thereby make moving switch contact be on the same mobile axis and along same mobile axis with respect to switch contact 30 and 31.This layout based on three switch elements 20,21 and 22; The electric arc that when break-make, forms can not exert an influence each other; Even and lay switch element 20,21 and very thick and fast in succession at 22 o'clock in order to obtain compact apparatus structure, can not exert an influence yet.The shift motion of single switch element, P0 representes with Reference numeral.
Three switch elements 20,21 and 22 preferably respectively can the above electric current of break-make 10kA and the vacuum switch element or the vacuum switch tube of the following voltage of 1000v.
Three switch elements 20,21 and 22 switch contact 30 and 31 are connected with 41 with contact element 40 respectively in order to connect electricity; For explanation summarily, in Fig. 2, only represent this situation according to the switch element 20 on the left side.Consider the highly compact property of low voltage switching device 10, set that contact element 40 and 41 vertically deviates from mobile axis P ground and extends.In Fig. 2, exemplarily extend to starting point along the z direction with mobile axis P; In this case, contact element 40 and 41 can for example deviate from the extension of mobile axis P ground along the y direction.
Two contact elements 40 of each switch element and 41, preferably (here along the x direction) staggers mutually along predefined offset direction, makes to see along mobile axis P, between two switch contacts, forms gap 60.In embodiment, represent with Reference numeral x0 along the clearance height of x direction according to Fig. 2.Gap 60 extends longitudinally and is parallel to mobile axis P.
In gap 60, can lay for example a kind of mounting rail, said mounting rail mechanically floatless switch element 20,21 and 22 shell 70 and its longitudinal axis mobile axis P that is parallel to switch contact extends.This mounting rail because of the cause of summarily explaining, is not illustrated in Fig. 2.
As substituting or replenishing, can in gap 60, lay a kind of joystick, three switch elements 20,21 and 22 switch contact 30 and 31 can move relative to each other by means of said joystick, so that switch on and off.This joystick because of the cause of summarily explaining, is not illustrated in Fig. 2.The joystick preferred parallel is in the mobile axis P of switch contact 30 and 31 and the liftoff laying of spacer with it; And indirectly or directly is connected, so that mobile these moving switch contacts switch on and off the utmost point of low voltage switching device 10 with the moving switch contact of all switch elements of low voltage switching device 10.
In addition, in Fig. 2, also can see a kind of flexible conductor belt 80 that is preferably made of copper.Said flexible conductor belt 80 makes it possible between contact element 41 and attached switch contact along the z direction or relatively moves along mobile axis P.
Claims (10)
1. a multipole switching device (10) is suitable for the heterogeneous electric loading of break-make and is each switch pole outfit at least one switch element (20,21,22),
-wherein said switch element has two switch contacts (30,31) respectively, and
-wherein said switch contact (30,31) is in order to break off switch m separately
2Element (20,21,22) can be separated from each other and for the switch element of connecting separately (20,21,22) can connect mutually,
It is characterized in that switch element (20,21,22) is spatially one after the other laid along the moving direction of switch contact (30,31).
2. according to the described multistage switching device of claim 1, it is characterized in that,
-each switch element (20,21,22) has at least one moving switch contact (30),
-said switch element (20,21,22) is laid coaxially, and
-said switch contact (30,31) be on the same mobile axis and moving switch contact (30) (z p) moves along same mobile axis.
3. each described multipole switching device in requiring according to aforesaid right is characterized in that,
-be parallel to the mobile axis of switch contact and the operating element of the liftoff laying of spacer with it, joystick especially, and
-operating element indirectly or directly connects with at least one moving switch contact (30) of each switch element (20,21,22), and can move the utmost point that this moving switch contact (30) switches on and off switching device.
4. each described multipole switching device in requiring according to aforesaid right is characterized in that switch contact (30,31) connects with contact element (40,41) respectively, and said contact element (40,41) vertically deviates from mobile axis and extends (P).
5. each described multipole switching device in requiring according to aforesaid right is characterized in that each switch element (20; 21,22) two contact elements (40,41); Staggering mutually in offset direction (x) along predesignating, makes between two contact elements, to form gap (60).
6. according to the described multistage switching device of claim 5; It is characterized in that in said gap (60), lay the mounting rail of switching device, said mounting rail is floatless switch element (20 mechanically; 21,22) mobile axis that shell (70) and its longitudinal axis are parallel to switch contact extends (P).
7. each described multipole switching device in requiring according to aforesaid right is characterized in that, in gap (60), lays the operating element of switching device (10).
8. each described multipole switching device in requiring according to aforesaid right is characterized in that switch element (30,31) is vacuum switch element or vacuum switch tube.
9. each described multipole switching device in requiring according to aforesaid right is characterized in that, multipole switching device (10) is a kind of every low voltage switching device that extremely can the above electric current of break-make 10kA.
10. each described multipole switching device in requiring according to aforesaid right is characterized in that said switching device (10) is three utmost points or four utmost points, and is that every utmost point is equipped with at least one switch element (20,21,22).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201110002922 DE102011002922A1 (en) | 2011-01-20 | 2011-01-20 | Multipole low voltage switching device for switching electric load e.g. three-phase electrical line, has switching elements that are arranged spatially one behind other along direction of movement of switching contacts |
| DE102011002922.2 | 2011-01-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102610429A true CN102610429A (en) | 2012-07-25 |
| CN102610429B CN102610429B (en) | 2015-12-02 |
Family
ID=46510641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210017922.4A Expired - Fee Related CN102610429B (en) | 2011-01-20 | 2012-01-19 | The switching device of multipole |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102610429B (en) |
| DE (1) | DE102011002922A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1080198A (en) * | 1965-07-23 | 1967-08-23 | Licentia Gmbh | Improvements in vacuum switch arrangements for high voltages |
| US3594525A (en) * | 1969-04-21 | 1971-07-20 | Gen Electric | Common parallel operating means for series-connected, laterally offset vacuum switches |
| US3780354A (en) * | 1972-03-07 | 1973-12-18 | Gen Electric | Vacuum type circuit breaker comprising series-connected vacuum interrupters, individual ones of which are readily removable and replaceable |
| CN101388301A (en) * | 2007-09-13 | 2009-03-18 | 伊顿电气公司 | Operating mechanism with adjustment of contact force |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2211413C3 (en) * | 1972-03-06 | 1975-12-04 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Multipole vacuum switchgear |
| DE19525288C2 (en) * | 1995-07-03 | 2002-08-01 | Siemens Ag | Multipole vacuum switch with parallel poles |
-
2011
- 2011-01-20 DE DE201110002922 patent/DE102011002922A1/en not_active Withdrawn
-
2012
- 2012-01-19 CN CN201210017922.4A patent/CN102610429B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1080198A (en) * | 1965-07-23 | 1967-08-23 | Licentia Gmbh | Improvements in vacuum switch arrangements for high voltages |
| US3594525A (en) * | 1969-04-21 | 1971-07-20 | Gen Electric | Common parallel operating means for series-connected, laterally offset vacuum switches |
| US3780354A (en) * | 1972-03-07 | 1973-12-18 | Gen Electric | Vacuum type circuit breaker comprising series-connected vacuum interrupters, individual ones of which are readily removable and replaceable |
| CN101388301A (en) * | 2007-09-13 | 2009-03-18 | 伊顿电气公司 | Operating mechanism with adjustment of contact force |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102610429B (en) | 2015-12-02 |
| DE102011002922A1 (en) | 2012-07-26 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |