CN102484012A - Switchgear - Google Patents
Switchgear Download PDFInfo
- Publication number
- CN102484012A CN102484012A CN2009801610187A CN200980161018A CN102484012A CN 102484012 A CN102484012 A CN 102484012A CN 2009801610187 A CN2009801610187 A CN 2009801610187A CN 200980161018 A CN200980161018 A CN 200980161018A CN 102484012 A CN102484012 A CN 102484012A
- Authority
- CN
- China
- Prior art keywords
- driving shaft
- switchgear
- switch
- circuit breaker
- coupled
- 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.)
- Pending
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Classifications
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- 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
- H01H31/003—Earthing switches
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- 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
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- 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
- H01H33/42—Driving mechanisms
-
- 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
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
-
- 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
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to switchgear (100) which has at least one circuit breaker or switch (107), an earthing switch (113) and a disconnector (105). The switchgear is characterized in that the earthing switch (113) is coupled to a first straight drive shaft (205) and the disconnector is coupled to a second straight drive shaft (207).
Description
Technical field
The present invention relates to a kind of switchgear, this switchgear has at least one circuit breaker or load switch, earthed switch and isolating switch.
Background technology
This switchgear is known and also is called as switching device.At this, can switch on and off big electric current through circuit breaker or load switch.Isolating switch is used to break off and closes at the circuit under the no current state almost, and earthed switch be used for before (open circuit) circuit ground of breaking off.This switchgear can be implemented as air-insulated switchgear or gas isolated switchgear.
Because the competition more and more fierce in switchgear market, there is the demand to the switchgear of cheapness in all.
Summary of the invention
Technical problem to be solved by this invention is, provide a kind of can the cheap switchgear of producing.
According to the present invention, this technical problem solves through the switchgear by independent claims 1.The favourable expansion design of this switchgear is the theme of dependent claims.
This technical problem solves through a kind of switchgear by the present invention; This switchgear has at least one circuit breaker or load switch, earthed switch and isolating switch; Wherein, earthed switch and the first straight driving shaft are coupled, and isolating switch and the second straight driving shaft are coupled.In this switchgear, earthed switch and the pure first straight driving shaft are coupled, and isolating switch and the pure second straight driving shaft are coupled.In other words, earthed switch is by the pure first straight drive shaft, and isolating switch is by the pure second straight drive shaft.Earthed switch and isolating switch and respectively unique, pure straight being coupled of driving shaft realized the simple structure of switchgear because it is a plurality of along the directed driving shafts of different directions not need complicated arrangement for deflecting or transmission mechanism to connect for earthed switch or isolating switch.This switchgear simple in structure can be realized at an easy rate.
Can construct switchgear like this at this, win driving shaft and second driving shaft can be rotated independently of each other.
Also can construct switchgear like this, win driving shaft and second driving shaft are extended in parallel to each other.First driving shaft that is parallel to the extension of second driving shaft advantageously causes the simple especially structure of switchgear, and wherein, especially required space is less.
Switchgear can be realized like this, that is, circuit breaker or load switch are arranged between first driving shaft and second driving shaft.Also realized simple structure thus, because circuit breaker or load switch (parts that it is normally big and heavy) medially are arranged between first driving shaft and second driving shaft, this has realized favourable gravity centre distribution.
Also can construct switchgear like this, circuit breaker or load switch and the 3rd straight driving shaft are coupled.At this, in other words circuit breaker and load switch and pure the 3rd straight driving shaft are coupled or: circuit breaker or load switch are by pure the 3rd straight drive shaft.This also helps to realize the simple structure of switchgear, because compare with the drive unit with a plurality of driving shafts of arranging along different directions, pure straight driving shaft is simple and therefore also can realize at an easy rate.
At this, the 3rd driving shaft can be parallel to first driving shaft and/or be parallel to the extension of second driving shaft.The parallel orientation of the 3rd driving shaft and first and/or second driving shaft causes the very simple structure of switchgear equally, because the driving shaft that extends in parallel can phase mutual interference or obstruction.
Can construct switchgear like this, that is, first driving shaft is coupled through crank driving mechanism and earthed switch, and/or second driving shaft is coupled through crank transmission structure and isolating switch.Use crank driving mechanism to be coupled first driving shaft and earthed switch and/or be coupled second driving shaft and isolating switch is particularly advantageous; Because on the one hand; This crank driving mechanism is easy to realize; On the other hand, in this crank driving mechanism, only 180 the complete stroke of handling earthed switch and/or isolating switch just is provided when spending in driving shaft rotation.Therefore corresponding axle Rotate 180 degree just has been enough to be switched on or switched off fully earthed switch and/or isolating switch.This normally used especially relatively spindle drive has significant advantage, because in this spindle drive, need driving shaft repeatedly be revolved three-sixth turn, so that realize being switched on or switched off fully the required stroke of respective switch.
Therefore crank driving mechanism also is favourable; Because this transmission mechanism has so-called dead-centre position at two end positions of driving shaft 180 degree rotations; That is; The crank driving mechanism that has self-locking, this crank driving mechanism both also can bear bigger power under the state that corresponding switch breaks off fully under the state that corresponding switch is connected fully, and therefore prevented the unexpected position of the switch closed or that break off that breaks away from.
Can also construct switchgear like this; Promptly; Switchgear has locking system, and this locking system stops the rotation of second driving shaft in first lock position, the rotation that stops the rotation of first driving shaft in second lock position and stop first and second driving shafts in the 3rd lock position.Can stop first driving shaft and/or second driving shaft according to selection through this locking system, and therefore prevent accidental manipulation earthed switch and/or isolating switch.
Also can construct switchgear like this, that is, locking system is arranged on difference one end of first driving shaft, second driving shaft and the 3rd driving shaft.Through locking system is arranged in first, second with difference one end of the 3rd driving shaft on, can realize locking system in an advantageous manner simply, because locking system only need prevent the unexpected rotation of driving shaft.In addition, if desired, can not have that the locking system with other structure substitutes this locking system under the situation of big structural change at whole switchgear.Obtained the structure of switchgear module shape thus, can be simply and realize the multiple modification of switchgear at an easy rate through this structure.
Switchgear also can have display unit (position of the switch display), and this display unit shows the position of first driving shaft and/or second driving shaft.
At this, switchgear can be realized like this, that is, display unit is arranged on difference one end of first driving shaft and second driving shaft.On difference one end that display unit is arranged in first and second driving shafts; (with the same ground in locking system) obtained the modular structure of switchgear, because can be simply and carry out under the situation of material alterations with other this display unit of display unit replacement at switching devices remainder not.
Also can construct switchgear like this, that is, earthed switch is arranged on the side of circuit breaker or load switch, and isolating switch is arranged on the opposed side of circuit breaker or load switch.Therefore this layout is especially favourable, because make the length in switchgear inner conductive path be reduced to minimum through the symmetric arrangement on the opposed side that is arranged in circuit breaker or load switch on the side that earthed switch is arranged in circuit breaker or load switch and with isolating switch.
Description of drawings
Followingly specify the present invention according to embodiment.In the accompanying drawings:
Fig. 1 is the signal winding diagram of switchgear;
Fig. 2 is the 3-D view of the switchgear under the part disassembly status;
Fig. 3 is the end view of switchgear;
Fig. 4 is second end view of switchgear, and
Fig. 5 is the cutaway view of switchgear.
Embodiment
In Fig. 1, schematically illustrated the summary winding diagram of the embodiment of switchgear 100, wherein, winding diagram only shows a phase of threephase switch equipment.At this, show bus-bar 101 on top, this bus-bar is with the conduct current switchgear.Electric current is via the switch region of the sleeve pipe that schematically is expressed as rectangle 103 from the bus-bar zone director switch equipment of switchgear, and arrival isolating switch 105.Isolating switch 105 is connected the contact of bus-bar 101 with circuit breaker 107, and wherein, circuit breaker is embodied as vacuum switch tube in this embodiment.Another contact of circuit breaker 107 is connected with the cable 111 of the cable area that is positioned at switchgear via another sleeve pipe 109.The contact that is connected with isolating switch 105 of circuit breaker 107 also is connected with earthed switch 113.Earthed switch 113 is used for when isolating switch 105 breaks off the contact ground connection that is connected with isolating switch 105 with circuit breaker.
Bus-bar 101 is arranged in the bus-bar zone of switchgear, and this bus-bar regional structure is the bus-bar module.This bus-bar module is passed sleeve pipe 103 and is connected with the switch region of switchgear.This switch region is configured to breaker module, and circuit breaker 107, isolating switch 105 and earthed switch 113 are arranged in this breaker module.Breaker module is connected with cable module via sleeve pipe 109, and this cable module comprises cable joint and cable 111.In this embodiment, bus-bar, switch and the cable that is used for three-phase current lay respectively at each module.
The part of the switchgear 100 that is under the part disassembly status has been shown in 3-D view in Fig. 2.Can see circuit shown in Figure 1 at this, this circuit from connector 201 shown in Fig. 2 top, that be used for bus-bar 101 via sleeve pipe 103, isolating switch 105, circuit breaker 107, sleeve pipe 109 lead at the cable joint 203 shown in Fig. 2 bottom.Therefore, Fig. 2 mainly shows switchgear house, and wherein, housing is not shown and for the purpose of clear, omitted some parts.Switchgear comprises three-phase L1, L2 and L3, and this three-phase is constructed basic identically.Find out the structure of phase L1 the most easily, because in this phase L1, holding member is not shown.
Switchgear 100 has the pure first straight driving shaft 205, and this first driving shaft and earthed switch 113 are coupled.In addition, switchgear has the pure second straight driving shaft 207, and this second driving shaft and isolating switch 105 are coupled.At last, switchgear has pure straight the 3rd driving shaft 209, the three driving shafts and circuit breaker 107 and is coupled.At this, first driving shaft 205 only is used to drive that earthed switch 113, the second driving shafts 207 only are used to drive isolating switch 105 and the 3rd driving shaft 209 only is used to drive circuit breaker 107.
As stated, electric current flows into switchgear house via sleeve pipe 103.Sleeve pipe 103 is connected with isolating switch 105.Isolating switch 105 has the fixedly insulating contact 213 of sleeve-like at this, spacer pin 215 and spacer pin sleeve pipe 217.Spacer pin 215 can vertically move at this vertically.Shown in state in, spacer pin contacts with fixing insulating contact 213, thus isolating switch 105 shown in state under be closed.Isolating switch 105 passes through connecting rod 211 drivings of the insulating part 219 of rigidity by crank driving mechanism, and wherein, insulating part 219 is constructed with connecting rod 211 integratedly.Crank driving mechanism is connected with the pure second straight driving shaft 207, this second drive shaft or manipulation isolating switch 105.The end of second driving shaft 207 is connected with locking system 230, can locking second driving shaft 207 through this locking system etc., that is locking.
But also latch device 230 like this; That is, locking system stops the rotation of second driving shaft 207 and the 3rd driving shaft 209 in first lock position, and first driving shaft 205 can be rotated; In second lock position, stop the rotation of first driving shaft 205 and the 3rd driving shaft 209; And second driving shaft 207 can be rotated, and stop the rotation of first driving shaft 205 and second driving shaft 207, and the 3rd driving shaft 209 can be rotated in the 3rd lock position.
Also realized display unit 238 (position of the switch display) with locking system 230, this display unit shows the position that first, second is current respectively with the 3rd driving shaft, and therefore shows the current location of earthed switch, isolating switch and circuit breaker.This display unit has viewing area 238, and this viewing area relates to the opening in the cover plate, looks the position of rotation of first driving shaft 205 and second driving shaft 207 at the back at this opening and can see the display element of different colours surely.
Electric current is through sleeve pipe 103, isolating switch 105 and flexible conductive strips 250 guiding circuit breakers 107.Circuit breaker 107 is known vacuum switch tubes 107.This vacuum switch tube 107 has fixed contact, and this fixed contact is electrically connected with cable joint 203 through sleeve pipe 109.The movable contact of vacuum switch tube 107 is electrically connected with conductive strips 250, and mechanically pull bar/the depression bar 252 through being designed to insulating part along the axial motion of vacuum switch tube.Between the movable contact of vacuum switch tube 107 and pull bar/depression bar 252, be provided with the device 254 that is used for adjustment stroke.Pull bar/depression bar 252 is handled by means of the rocking bar 256 that is fixed on the 3rd driving shaft 209.
The 3rd driving shaft 209 drives by means of driver 258, and this driver is electromagnetic actuator device in this embodiment.Yet in other embodiments, driver 258 also can be constructed differently, for example is designed to the spring energy-storage driver.Driver 258 rotatablely moves the only several years the 3rd driving shaft 209 by means of another rocking bar 260.This rotatablely moving is enough to closure or cut-off breaker 107.
The movable contact of circuit breaker 107 also is electrically connected with the grounding contact 262 of earthed switch 113 through conductive strips 250.Earthed switch 113 also has ground wire 264, and this ground wire can be guided with vertically moving mode in guiding device 266.Ground wire 264 is electrically connected with earth potential.Shown in state in, ground wire 264 does not contact with grounding contact 262, therefore shown under the state earthed switch 113 break off.Ground wire 264 is short circuit electric bridges, and this short circuit electric bridge makes all three-phase L1 under the earthed switch on-state, and the grounding contact 262 of L2 and L3 interconnects and is connected with earth potential.
The end view that switchgear 100 is seen towards earthed switch 113 directions has been shown in Fig. 3.Can find out well that at this ground wire 264 slidably is bearing in the guider 266 with moving, and drive by first driving shaft 205 by means of the connecting rod 300 of crank driving mechanism.At this, ground wire 264 is moved up or down by two connecting rods 300 that move simultaneously of two crank driving mechanisms.In the position up, ground wire 264 and three-phase L1, three grounding contacts 262 of L2 and L3 are electrically connected.(in these three grounding contacts 262, can only see the phase grounding contact on the right, because the grounding contact of phase L2 and L3 is hidden by support.) ground wire 264 is with all three phase L1 then, the grounding contact 262 of L2 and L3 interconnects and is connected with earth potential.
First driving shaft 205 drives by means of crank in this embodiment, but this crank can be connected (not shown in Fig. 3) with the right-hand member of first driving shaft 205 by plug.In other embodiments, first driving shaft 205 also can for example drive by means of motor driver by means of other driver drives.Equally also be applicable to second driving shaft 207, this second driving shaft is hidden by first driving shaft 205 in Fig. 3.
The opposite side view of the side of switchgear 100 has been shown in Fig. 4, has been provided with isolating switch 105 in this side.Can find out well at this how spacer pin 215 is driven by second driving shaft 207 through connecting rod 211.
Fig. 5 shows the cutaway view of switchgear 100 along the section V-V of Fig. 3.At this, can find out first crank driving mechanism well on the right side, this first crank driving mechanism is connected the spacer pin 215 of second driving shaft 207 with the linear slide guiding by means of connecting rod 211.Can find out second crank driving mechanism in the left side, this second crank driving mechanism is connected the ground wire 264 of first driving shaft 205 with the linear slide guiding by means of connecting rod 300.It can also be seen that grounding contact 262, ground wire 264 moves on to when closed ground switch 113 in this grounding contact.
This paper has described a kind of switchgear, and wherein earthed switch and the first straight driving shaft are coupled, and isolating switch and the second straight driving shaft are coupled.Circuit breaker can be arranged between first driving shaft and second driving shaft, and two driving shafts can be directed in parallel to each other.Isolating switch can be coupled with the 3rd straight driving shaft, and the 3rd driving shaft can be parallel to first driving shaft and second driving shaft is arranged.Obtained the simple especially structure of switchgear thus; Because can transmit the drive movement of earthed switch, isolating switch and circuit breaker by means of straight driving shaft, and especially do not need to connect along the son axle of different directions orientation and the deflection of the complicacy between this a little axle with simple especially type and mode.Because the parallel orientation of first driving shaft and second driving shaft can also be arranged in locking system on the end of these two axles with especially simple mode, wherein, through this locking system can locking first driving shaft, second driving shaft or the 3rd driving shaft.Therefore totally obtained such switchgear, this switchgear and structure simply and compactly thereof, and wherein except rocking bar and crank driving mechanism, almost only use three straight driving shafts for transmitting drive movement.Therefore, very simple and therefore this switchgear can be made at an easy rate and keep in repair.
Claims (12)
1. a switchgear (100); This switchgear has at least one circuit breaker or load switch (107), earthed switch (113) and isolating switch (105); Wherein, Said earthed switch (113) is coupled with straight first driving shaft (205), and said isolating switch (105) is coupled with straight second driving shaft (207).
2. switchgear as claimed in claim 1 is characterized in that, said first driving shaft (205) and said second driving shaft (207) can rotate with being independent of each other.
3. according to claim 1 or claim 2 switchgear is characterized in that said first driving shaft (205) and said second driving shaft (207) extend in parallel to each other.
4. like the described switchgear of one of claim 1 to 3, it is characterized in that said circuit breaker or load switch (107) are arranged between said first driving shaft (205) and said second driving shaft (207).
5. like the described switchgear of one of claim 1 to 4, it is characterized in that said circuit breaker or load switch (107) are coupled with straight the 3rd driving shaft (209).
6. like the described switchgear of one of claim 1 to 5, it is characterized in that said the 3rd driving shaft (209) is parallel to said first driving shaft (205) and/or said second driving shaft (207) extends.
7. like the described switchgear of one of claim 1 to 6; It is characterized in that said first driving shaft (205) is coupled through crank driving mechanism and said earthed switch (113) and/or said second driving shaft (207) is coupled through crank driving mechanism and isolating switch (105).
8. like the described switchgear of one of claim 1 to 7; It is characterized in that; Said switchgear has locking system (230); This locking system stops the rotation of said second driving shaft (207) in first lock position, the rotation that stops the rotation of said first driving shaft (205) in second lock position and stop said first driving shaft (205) and second driving shaft (207) in the 3rd lock position.
9. like the described switchgear of one of claim 1 to 8, it is characterized in that said locking system (230) is arranged on difference one end of first driving shaft (205), second driving shaft (207) and the 3rd driving shaft (209).
10. like the described switchgear of one of claim 1 to 9, it is characterized in that this switchgear has display unit (238), this display unit shows the position of first driving shaft (205) and/or said second driving shaft (207).
11., it is characterized in that said display unit (238) is arranged on difference one end of first driving shaft (205) and second driving shaft (207) like the described switchgear of one of claim 1 to 10.
12. like the described switchgear of one of claim 1 to 11; It is characterized in that; Said earthed switch (113) is arranged on the side of said circuit breaker or load switch (107), and said isolating switch (105) is arranged on the opposite side of said circuit breaker or load switch (107).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2009/060772 WO2011020509A1 (en) | 2009-08-20 | 2009-08-20 | Switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102484012A true CN102484012A (en) | 2012-05-30 |
Family
ID=42110034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801610187A Pending CN102484012A (en) | 2009-08-20 | 2009-08-20 | Switchgear |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2467863B1 (en) |
| CN (1) | CN102484012A (en) |
| WO (1) | WO2011020509A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485248A (en) * | 2014-12-31 | 2015-04-01 | 嘉兴赛铁龙电气有限公司 | Earthing switch |
| WO2016119147A1 (en) * | 2015-01-28 | 2016-08-04 | Abb Technology Ltd | Mechanical interlock assembly for disconnector and earthing switch |
| CN108037369A (en) * | 2018-01-17 | 2018-05-15 | 佛山市川东磁电股份有限公司 | A kind of TDS detectors and its packaging technology |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011085995A1 (en) * | 2011-11-09 | 2013-05-16 | Siemens Aktiengesellschaft | Drive module for a multi-pole circuit breaker |
| US8729985B2 (en) | 2012-01-23 | 2014-05-20 | Electro-Mechanical Corporation | Switchgear visible disconnect mechanical interlock |
| US9070517B2 (en) * | 2012-08-13 | 2015-06-30 | Electro-Mechanical Corporation | Vacuum interrupter and linear disconnect switch |
| CN102938344A (en) * | 2012-12-09 | 2013-02-20 | 安徽省电力公司蚌埠供电公司 | Disconnector misoperation prevention device |
| CN103426677B (en) * | 2013-08-06 | 2016-06-22 | 国家电网公司 | A kind of three position transmission devices |
| CN104036991B (en) * | 2013-12-07 | 2016-08-17 | 国家电网公司 | There is the tri-station isolating switch powder operation device of anti-misoperation function |
| CN104600577B (en) * | 2015-02-10 | 2017-01-25 | 胡俊兵 | Intelligent grounding knife switch of high-voltage switch cabinet |
| CN106683915A (en) * | 2017-02-15 | 2017-05-17 | 益和电气集团股份有限公司 | Insulation spindle and load switch |
| CN108630474A (en) * | 2018-07-02 | 2018-10-09 | 河南华盛隆源电气有限公司 | The interlocking mechanism of breaker and disconnecting switch |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2773001B1 (en) * | 1997-12-19 | 2000-01-21 | Schneider Electric Sa | MEDIUM VOLTAGE CELL WITH GAS INSULATION AND HIGH DIELECTRIC HOLD |
| DE102004015386B4 (en) * | 2003-03-26 | 2008-10-30 | Abb Technology Ag | Mechanical control for a three-position switch |
| US7902480B2 (en) * | 2007-06-13 | 2011-03-08 | Hitachi, Ltd. | Vacuum insulated switchgear |
| JP5070178B2 (en) * | 2008-10-14 | 2012-11-07 | 株式会社日立製作所 | Switchgear |
-
2009
- 2009-08-20 CN CN2009801610187A patent/CN102484012A/en active Pending
- 2009-08-20 WO PCT/EP2009/060772 patent/WO2011020509A1/en active Application Filing
- 2009-08-20 EP EP09782030.2A patent/EP2467863B1/en not_active Not-in-force
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485248A (en) * | 2014-12-31 | 2015-04-01 | 嘉兴赛铁龙电气有限公司 | Earthing switch |
| CN104485248B (en) * | 2014-12-31 | 2017-05-10 | 嘉兴赛铁龙电气有限公司 | Earthing switch |
| WO2016119147A1 (en) * | 2015-01-28 | 2016-08-04 | Abb Technology Ltd | Mechanical interlock assembly for disconnector and earthing switch |
| RU2669918C1 (en) * | 2015-01-28 | 2018-10-17 | Абб Швайц Аг | Mechanical interlocking unit for disconnector and grounding switch |
| US10304640B2 (en) | 2015-01-28 | 2019-05-28 | Abb Schweiz Ag | Mechanical interlock assembly for disconnector and earthing switch |
| CN108037369A (en) * | 2018-01-17 | 2018-05-15 | 佛山市川东磁电股份有限公司 | A kind of TDS detectors and its packaging technology |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011020509A1 (en) | 2011-02-24 |
| EP2467863B1 (en) | 2014-06-04 |
| EP2467863A1 (en) | 2012-06-27 |
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