CN104871275A - Medium voltage switchgear with an assembled pole part with integrated three-position switch - Google Patents
Medium voltage switchgear with an assembled pole part with integrated three-position switch Download PDFInfo
- Publication number
- CN104871275A CN104871275A CN201280077903.9A CN201280077903A CN104871275A CN 104871275 A CN104871275 A CN 104871275A CN 201280077903 A CN201280077903 A CN 201280077903A CN 104871275 A CN104871275 A CN 104871275A
- Authority
- CN
- China
- Prior art keywords
- medium
- position switch
- voltage switchgear
- aforementioned
- positions
- 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
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
- H01H33/121—Load break switches
- H01H33/125—Load break switches comprising a separate circuit breaker
- H01H33/128—Load break switches comprising a separate circuit breaker being operated by a separate mechanism interlocked with the sectionalising mechanism
-
- 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
- H01H33/6661—Combination with other type of switch, e.g. for load break switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
- H01H1/38—Plug-and-socket contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
- H01H1/42—Knife-and-clip contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5822—Flexible connections between movable contact and terminal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5822—Flexible connections between movable contact and terminal
- H01H2001/5827—Laminated connections, i.e. the flexible conductor is composed of a plurality of thin flexible conducting layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
- H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
- H01H31/32—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with rectilinearly-movable contact
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to a medium voltage switchgear with an assembled pole part with integrated three-position switch, with pole part frames made of insulating material, between which a vacuum-interrupter is mounted, wherein the vacuum interrupter is provided with a fixed contact and a moving contact, so that one end of the frame is provided with a first support in order to fix the vacuum interrupter at the moving contact side, and fixation means for the fixed contact side at the other end of the frame. In order to to implement high technical functionality during reduction of the number of separate parts at same time, and additionally to implement a lower transmission resistance into the interconnection, the electrical connection between the movable part of the vacuum interrupter and the movable part of the two- or three-position switch is a mechanically flexible conductor element, and that the insulating pole part frames are provided with guiding means for the linear movable contact part of the two- or three- position switch, which are integrated into the pole part frames or the pole part frame arrangement.
Description
Technical field
The present invention relates to medium-voltage switchgear as described in the preamble according to claim 1, described medium-voltage switchgear has the pole parts of assembling, and the pole parts of described assembling have integrated three position switch.
Background technology
This type of fexible conductor is used to be well-known in medium-voltage switchgear.Fexible conductor is made up of flexible element going up at least partially of its length usually, and it connects removable contact lever and the fixed terminal of (such as) vacuum interrupter.This is well-known and is made application with the most use.
In addition, switching device can also comprise the insulator and earthed switch that are positioned at switch distribution board inside.Therefore, all these parts integrated are special tasks in an efficient way.
Summary of the invention
For the interconnection of switching device inside, usually employ parts to be assembled too much.
Therefore, the object of the invention is to realize high-tech function during reducing independent part count, meanwhile, in interconnection, also realize lower transmission resistance.
This is fixing or movably solve between parts and the other movable part of two positions or three position switch by flexibility and/or flexible conductor element being arranged in first.
Do like that as a result, directly achieve electrical connection between two switch elements in switching device, and do not use fixing intermediary element.
A favourable embodiment is, the first fixing or moveable parts are the fixing of vacuum interrupter or moveable contact lever.The optimal mode of embodiment is that the removable contact lever of vacuum interrupter is directly connected with the movable part of two positions or three position switch via flexibility or flexible conductor.
Another favourable embodiment is, flexible and/or flexible conductor is single conductor.This means that conductor is single at least part of flexible conductor belt.
Another favourable embodiment is that the open end of flexible conductor self develops into or is formed as contact element, described open end can be switched on or switched off with contact element or with it away from.
Another favourable embodiment is, flexible and/or flexible conductor is two-conductor, this means that described conductor is by two flat forming with the conductor belt of flexibility.
Another alternate embodiment is, flexible and/or flexible conductor is ring shaped conductor.By ring shaped conductor, the movement between contact component by make cyclic deformation become flat ellipse and described flat ellipse during the relative movement of removable contact component along its major axis displacement and realize.
A favourable embodiment is, this conductor is used for each phase in three-phase, to make it for threephase switch device.
Apply for this technology, it is favourable that two positions or three position switch are used as sliding contact system.
Alternative, the present invention can also be applied in that have can in the two positions of pivotal contact system or three position switch.Like this, the conductor with high bendability or flexibility can be used, to allow the shift movement along the axis limited except the motion in third dimension.
A favourable embodiment is that two positions or three position switch are provided with finger contacts mate in one or more fixed contact therefor side.
Alternately, if two positions or three position switch are provided with flat part in one or more fixed contact therefor side, be then also favourable for the present invention.
Another favourable embodiment is, guiding device is also assembled in as integrated form device between half shell of insulation shell extraly.This causes structure closely.
In addition, the Linear actuator for each phase is arranged as linear bolt driver respectively, and described Linear actuator is integrated in the device between insulation half shell.
Compact with effective structure in order to realize, the gear drive for two positions or three position switch is arranged between insulation half shell.
For the special but favourable embodiment for three-phase installation, only use the driver that common.
The present invention can be used in gas-insulated medium-voltage switchgear with a lot of advantage.
Accompanying drawing explanation
Comprise the present invention's display of all above-described embodiments in the accompanying drawings.
Fig. 1: the device with flexible-belt and flat part;
Fig. 2: the device with flexible-belt and annular contact part;
Fig. 3: the device with flexible ring;
Fig. 4: there is flexible-belt and can the device of pivotal contact component;
Fig. 5: the device with integral type guiding device.
Embodiment
Fig. 1 shows several positions of the slide contact member of isolating switch/earthed switch to the bottom of Fig. 1 from the top of Fig. 1.
The top of Fig. 1 shows vacuum interrupter 10.The removable contact lever 2 of vacuum interrupter 10 is fixed with flexible conductor element 1.The other end of conductor element 1 is fixed to can displacement connector 3, and it is displaced to the position contacted with the finger contacts mate 4 of two positions or three position switch.Therefore, by displacement, fexible conductor element 1 has two kinds of n-back test.The first function is: fexible conductor element 1 is the fexible conductor between vacuum interrupter end and two positions or three position switch; And the second function is: fexible conductor becomes the switch element of two positions or three position switch integratedly.
Importantly, the upper end of flexible conductor element 1 is also the contact element of one simultaneously.
The mid portion of Fig. 1 shows the intermediate-opened position of sliding contact device, and the bottom of Fig. 1 shows the contact at another contact place at the contact 4 closing on two positions or three position switch.
In all three parts of Fig. 1, show different positions, described position is independent of the position of the removable contact lever 2 of vacuum interrupter.
Particularly, be similar to by using the such interconnection of flexible conductor element to have lower transmission resistance than by sliding members in conjunction with the interconnection of helical spring contact.It reduce the heat of generation.What show on the right side of Fig. 1 is single phase device.The three-phase installation related to is shown in the left side of Fig. 1.
An additional advantage of the present invention is that device is compact, and the parallel layout for three-phase easily realizes, to make it compact.
Fig. 2 shows the embodiment using flexible two-conductor band.This embodiment offers the current capacity of identical flexibility and extra enhancing.In this embodiment, the two positions with annular contact device or three position switch is also used.
Flexible two-conductor band is formed by two independent conductor belts, but connects in the mode partly forming ring, and described ring is formed by two fexible conductor bands (each fexible conductor band has two open end).
Other alternate embodiment is, fexible conductor is also arranged as and is bent by the single flexible conductor belt with two open end and the ring formed, as shown in Figure 3.
Fig. 4 show have comprise blade contact can the embodiment of pivotal contact system.Also in this case, flexible conductor belt is used to have all above-mentioned advantages between two moveable contacts in this case.
Fig. 5 shows the position of the integral type guiding device for driver.These guiding devices 30 are directly installed on the top of two positions/three position switch.As described above, these pole parts are pole parts of assembling, and two positions or three position switch are arranged on above vacuum interrupter in a very compact manner.Therefore, described guiding device (is provided with switching device) between half shell 31 between half shell 31, and is positioned at the profile of half shell 31 or header board 32 generation.
Described guiding device mechanically can connect with motor driver or manual driver.
Therefore, key character is here, the fexible conductor element between the movable part and the moveable contact of vacuum interrupter of three position switch is single parts.
Reference numeral:
1 flexible conductor element
2 removable contact levers
3 can displacement connector
4 finger contacts mate
5 annular contact parts
10 vacuum interrupters
30 guiding devices
31 insulation half shells
32 header boards
Claims (17)
1. a medium-voltage switchgear, it has the pole parts of the assembling comprising integrated three position switch, pole component framework is made up of insulating material, between the component framework of described pole, vacuum interrupter is installed, wherein, described vacuum interrupter is provided with fixed contact therefor and moving contacting piece, one end of described framework is made to be provided with the first strutting piece, so that described vacuum interrupter is fixed in moving contacting piece side, the other end of described framework is provided with the fixture for fixed contact therefor side, it is characterized in that:
Electrical connector between the movable part and the movable part of two positions or three position switch of described vacuum interrupter is mechanical flexibility conductor element, and the pole component framework of insulation is provided with guiding device, described guiding device is used for the linear removable contact component of two positions or three position switch, and described guiding device is integrated in the component framework of pole or in the component framework device of pole.
2. medium-voltage switchgear according to claim 1, is characterized in that:
First fixing or moveable parts (2) are the fixing of vacuum interrupter (10) or moveable contact lever.
3. medium-voltage switchgear according to claim 1 and 2, is characterized in that:
Flexible and/or flexible conductor element (1) is single conductor.
4. medium-voltage switchgear according to claim 1 and 2, is characterized in that:
The open end self of flexible conductor (1) develops into or is formed as contact element, its can be switched on or switched off with contact element (4) or with it away from.
5. medium-voltage switchgear according to claim 1 and 2, is characterized in that:
Flexible and/or flexible conductor element (1) is two-conductor.
6. medium-voltage switchgear according to claim 1 and 2, is characterized in that:
Described flexibility and/or flexible conductor element (1) is ring shaped conductor.
7. the medium-voltage switchgear according to any one in aforementioned claim, is characterized in that:
Each phase in three-phase all uses such conductor.
8. the medium-voltage switchgear according to any one in aforementioned claim, is characterized in that:
Described two positions or three position switch are used as sliding contact system.
9. the medium-voltage switchgear according to any one in aforementioned claim, is characterized in that:
Described two positions or three position switch are used as can pivotal contact system.
10. the medium-voltage switchgear according to any one in aforementioned claim, is characterized in that:
Described two positions or three position switch are provided with finger contacts mate (4) in one or more fixed contact therefor side.
11. medium-voltage switchgears according to any one in aforementioned claim, is characterized in that:
Two positions or three position switch are provided with annular contact part (5) in one or more fixed contact therefor side.
12. medium-voltage switchgears according to any one in aforementioned claim, is characterized in that:
Whole two positions or three position switch are fully assembled between half shell of insulation shell.
13. medium-voltage switchgears according to claim 12, is characterized in that:
Described guiding device is also additionally assembled in as integrated form device between half shell of insulation shell.
14. medium-voltage switchgears according to any one in aforementioned claim 1 to 13, is characterized in that:
Arrange Linear actuator respectively for each phase, described Linear actuator is linear bolt driver, described Linear actuator integrated enter in device between insulation half shell.
15. medium-voltage switchgears according to any one in aforementioned claim 1 to 13, is characterized in that:
Gear drive for two positions or three position switch is arranged between insulation half shell.
16. medium-voltage switchgears according to any one in aforementioned claim 1 to 15, is characterized in that:
For three-phase installation, a common driver is only set.
17. medium-voltage switchgears according to any one in aforementioned claim, is characterized in that:
Described medium-voltage switchgear is gas-insulated switchgear device.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2012/005345 WO2014094806A1 (en) | 2012-12-21 | 2012-12-21 | Medium voltage switchgear with an assembled pole part with integrated three-position switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104871275A true CN104871275A (en) | 2015-08-26 |
| CN104871275B CN104871275B (en) | 2017-10-24 |
Family
ID=50977621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280077903.9A Expired - Fee Related CN104871275B (en) | 2012-12-21 | 2012-12-21 | The medium-voltage switchgear of assembling pole part with integrated three position switch |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2936527B1 (en) |
| CN (1) | CN104871275B (en) |
| WO (1) | WO2014094806A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154643A (en) * | 2017-05-18 | 2017-09-12 | 平顶山市华安电气有限公司 | A kind of transformer group Self-controlled system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201041B (en) * | 2014-08-15 | 2015-10-21 | 浙江道笃智能开关有限公司 | Combination pole and operation principle thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4376235A (en) * | 1981-02-12 | 1983-03-08 | Westinghouse Electric Corp. | Electrical junction of high conductivity for a circuit breaker or other electrical apparatus |
| EP0680063A1 (en) * | 1994-04-25 | 1995-11-02 | Schneider Electric Sa | Medium voltage electric switch |
| WO2011147717A1 (en) * | 2010-05-25 | 2011-12-01 | Siemens Aktiengesellschaft | Switch disconnector |
| CN102484013A (en) * | 2009-08-20 | 2012-05-30 | 西门子公司 | Retaining element for switchgear |
-
2012
- 2012-12-21 CN CN201280077903.9A patent/CN104871275B/en not_active Expired - Fee Related
- 2012-12-21 EP EP12812868.3A patent/EP2936527B1/en not_active Not-in-force
- 2012-12-21 WO PCT/EP2012/005345 patent/WO2014094806A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4376235A (en) * | 1981-02-12 | 1983-03-08 | Westinghouse Electric Corp. | Electrical junction of high conductivity for a circuit breaker or other electrical apparatus |
| EP0680063A1 (en) * | 1994-04-25 | 1995-11-02 | Schneider Electric Sa | Medium voltage electric switch |
| CN102484013A (en) * | 2009-08-20 | 2012-05-30 | 西门子公司 | Retaining element for switchgear |
| WO2011147717A1 (en) * | 2010-05-25 | 2011-12-01 | Siemens Aktiengesellschaft | Switch disconnector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154643A (en) * | 2017-05-18 | 2017-09-12 | 平顶山市华安电气有限公司 | A kind of transformer group Self-controlled system |
| CN107154643B (en) * | 2017-05-18 | 2023-06-23 | 平顶山市津电智能科技有限公司 | Transformer group self-regulating system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014094806A1 (en) | 2014-06-26 |
| CN104871275B (en) | 2017-10-24 |
| EP2936527A1 (en) | 2015-10-28 |
| EP2936527B1 (en) | 2017-04-26 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180518 Address after: Baden, Switzerland Patentee after: ABB TECHNOLOGY LTD. Address before: Zurich Patentee before: ABB Transmit OY |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171024 Termination date: 20191221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |