CN104904080A - Vacuum circuit breaker - Google Patents
Vacuum circuit breaker Download PDFInfo
- Publication number
- CN104904080A CN104904080A CN201380069086.7A CN201380069086A CN104904080A CN 104904080 A CN104904080 A CN 104904080A CN 201380069086 A CN201380069086 A CN 201380069086A CN 104904080 A CN104904080 A CN 104904080A
- Authority
- CN
- China
- Prior art keywords
- breaker
- contact
- auxiliary device
- main circuit
- vacuum
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/26—Arrangements of fuses, resistors, voltage arresters or the like
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Manufacturing & Machinery (AREA)
- Trip Switchboards (AREA)
- Gas-Insulated Switchgears (AREA)
- Patch Boards (AREA)
Abstract
In order to provide a vacuum circuit breaker for which installation of an ancillary device such as a CR suppressor is easy, the present invention is provided with a vacuum valve (2), a main body frame (3) for accommodating the vacuum valve (2), a pair of main circuit terminals (4, 5) electrically connected to a junction of the vacuum valve (2) and leading out behind the main body frame (3), a cart frame (7), an ancillary device (CR suppressor (12)) having a connection terminal (12c) at the top thereof and disposed below the main circuit terminals (4, 5) and behind the main body frame (3), and a contact (14) provided to the main circuit terminal (5) facing the ancillary device, and the present invention is configured so that the connection terminal (12c) of the ancillary device is fitted in the contact (14), and the ancillary device is thereby electrically connected to the main circuit terminal (5).
Description
Technical field
The present invention relates to vacuum circuit-breaker, particularly relate to the vacuum circuit-breaker being connected with auxiliary device in main circuit portion.
Background technology
In the past, well-known gas-break switch was adopted to be used as the circuit breaker used in electric power system.The insulating properties gas used in this gas-break switch is such as SF6 gas.SF6 gas has excellent insulation characterisitic, and such as dielectric strength is higher, has inertia, and heat conductivity is also more high, but also there is the very high problem of global warming potential (Global warming potential) on the contrary.Therefore, the action of the use of restriction SF6 gas is strengthened gradually, does not use the vacuum circuit-breaker of SF6 gas to replace the future development of the gas-break switch using SF6 gas towards replacing with.In this situation, the whole dish replacing storage circuit breaker can cause expense burden to increase, and the duration also can take a long time, and therefore, proposes the technology only part of the gas-break switch being accommodated in existing dish being replaced with vacuum circuit-breaker.
As the technology existing circuit breaker being replaced with vacuum circuit-breaker, such as, the circuit breaker shown in Fig. 5 is disclosed.(for example, referring to patent documentation 1)
This technology disclosed in patent documentation 1 is example magnetic circuit breaker being replaced by vacuum circuit-breaker, as shown in Figure 5, select the vacuum circuit-breaker 21 meeting the specification of magnetic circuit breaker and existing distribution board, the fixed frame 22 of vacuum circuit-breaker 21 is set in dish, carrys out placing vacuum circuit-breaker 21 thus.In addition, suitably increase barrier 23 etc., and further CR inhibitor 24 is set at the feed room at breaker chamber rear, be used as surge absorber.Herein, the end side of the main circuit terminal of vacuum circuit-breaker 21 is connected with existing bus 25, and another side is connected with the cable 26 of existing load-side via bonding conductor.
This vacuum circuit-breaker 21 cuts off electric current at a high speed in a vacuum, therefore there is very excellent opening performance, but can surge voltage be produced when switch, thus the surge absorber needing CR inhibitor 24 such according to load, carry out when replacing with vacuum circuit-breaker 21 adding setting.
Prior art document
Patent documentation
Patent documentation 1: Japanese Patent Laid-Open 2005-269771 publication (3-4 page, Fig. 3)
Summary of the invention
Invent technical problem to be solved
In the replacement operation of the circuit breaker shown in patent documentation 1, CR inhibitor is arranged on the depths of the breaker chamber in distribution board, need to use cable or conductor to connect, therefore, when CR inhibitor being set in distribution board, need to pull down various components and parts, further, owing to being narrow position, therefore, difference according to circumstances, also needs operator shoulder CR inhibitor and move it sometimes.Further, because attended operation is carried out in the position in depths, thus the operability variation that there is configuration, connect, the problem of the operating time needing cost longer.
The present invention completes to solve the problem, and its object is to provides the setting of the auxiliary devices such as a kind of CR inhibitor and assembling to be comparatively easy to vacuum circuit-breaker.
The technological means that technical solution problem adopts
Vacuum circuit-breaker involved in the present invention is configured to, and comprising: vacuum valve, and this vacuum valve has fixed contact and travelling contact; Body frame, this body frame receives described vacuum valve; Main circuit terminal, this main circuit terminal is electrically connected with the contact of described vacuum valve, and is exported the rear to described body frame; Flat car framework, this flat car framework carries described body frame, can move in the longitudinal direction; Auxiliary device, this auxiliary device is configured in the below of the described main circuit terminal at described body frame rear, has splicing ear on top; And contact, this contact is arranged at the described main circuit terminal relative with described auxiliary device, by making the splicing ear of described auxiliary device and described contact tabling, described auxiliary device is electrically connected with described main circuit terminal.
Invention effect
According to vacuum circuit-breaker of the present invention, owing to being configured at the rear of the body frame being accommodated with vacuum valve configuration auxiliary device, by making the splicing ear of auxiliary device and the contact tabling being arranged at main circuit terminal, auxiliary device is electrically connected with main circuit terminal, therefore, it is possible to make auxiliary device be connected with the main circuit portion of vacuum circuit-breaker and arrange easily.Thus, such as, replacing with in the operation of vacuum circuit-breaker by existing gas-break switch, when newly establishing auxiliary device, can improve operability, reducing the operating time also reduces costs.
Accompanying drawing explanation
Fig. 1 is the end view of the major part of the vacuum circuit-breaker represented involved by embodiments of the present invention 1.
Fig. 2 is the rearview observed from the dorsal view of the vacuum circuit-breaker of Fig. 1.
Fig. 3 is the partial top view observed from the A-A line of Fig. 1.
Fig. 4 is the end view of the major part of the vacuum circuit-breaker represented involved by embodiments of the present invention 2.
Fig. 5 is the end view of the replacing example for illustration of existing vacuum circuit-breaker.
Embodiment
Execution mode 1.
Fig. 1 is the end view of the major part of the vacuum circuit-breaker represented involved by execution mode 1, and Fig. 2 is its rearview, and Fig. 3 is the partial top view observed from the A-A line of Fig. 1.
In Fig. 1, because left side becomes the face side of vacuum circuit-breaker 1, therefore, in the following description, the words such as the back side, front, rear, fore-and-aft direction all with this face side for benchmark.
In figure, the vacuum valve 2 forming the breaker part of vacuum circuit-breaker 1 is configured so that can to contact or be separated with travelling contact (all not shown) at the inside fixed contact of vacuum tank cylindrically, and this vacuum valve 2 is accommodated in body frame 3.From the upper side of vacuum valve 2, be drawn to rear side the axis normal of the fixation side main circuit terminal 4 be electrically connected with fixed contact and vacuum valve 2, drawn along the direction identical with fixation side with the drawer at movable side main circuit terminal 5 that travelling contact is electrically connected from lower side.
These fixation side main circuit terminal 4 and the respective front of drawer at movable side main circuit terminal 5 are provided with main circuit contact 6.This main circuit contact 6 is such as configured to: arrange multiple contact piece in a circumferential direction, utilizes the spring being arranged at its periphery that contact piece is moved to center position.
Body frame 3 is equipped on the flat car framework 7 with wheel 7a, is configured to move along the longitudinal direction.Further, in the face side of body frame 3, be provided with panel 8, be just accommodated with the operating mechanism (not shown) of vacuum valve 2 in the rear side of panel 8.
The movable electrode rod 2a leading to below from the travelling contact of vacuum valve 2 is connected with operating mechanism via insulating bar 9 and linkage (not shown), by the action of operating mechanism, the travelling contact of vacuum valve 2 is driven, thus contact with fixed contact or be separated, carry out the switch of vacuum valve 2 thus.
Vacuum circuit-breaker 1 is accommodated in the breaker chamber of the housing of the dishes such as switching device usually, combines to use with other equipment.By the part that chain-dotted line represents, this breaker chamber 10 is shown in Fig. 1.The bottom surface of breaker chamber 10 is provided with the track (not shown) guided the wheel 7a of flat car framework 7, and the rear wall of breaker chamber 10 is provided with cutting portion 11.Each main circuit contact 6 tabling of the center conductor of cutting portion 11 and the fixation side main circuit terminal 4 of vacuum valve 2 side and drawer at movable side main circuit terminal 5.In addition, the rear side of upper and lower cutting portion 11 is such as the same with Fig. 5, and one of them is connected with main circuit bus, and another is connected with the cable of load-side.
Based on this structure, by pulling the handle of the panel 8 being arranged at vacuum circuit-breaker 1 and pulling it to front, the connection between main circuit contact 6 and cutting portion 11 is disconnected, thus becomes off state.
Herein, on the flat car framework 7 at the rear of body frame 3, placing the CR inhibitor 12 be fixed with as auxiliary device.Omit the diagram in the body housing 12a of CR inhibitor 12.
As shown in Figure 3, CR inhibitor 12 is fixed on to the fixation side of flat car framework 7, in the left and right of the body housing 12a of CR inhibitor 12, arrange placing to flat car framework 7 rear portion about the mounting flange 12b that engages of upper surface can carrying out, the installing hole portion of mounting flange 12b is aimed at the screw hole of flat car framework 7 side, carry out fastening link by bolt.Installing hole is set to the longer elongated hole of left and right directions the tolerance of installation portion to be taken into account the mode also can carrying out adjusting or is set to the shape of as shown in Figure 3 outside being cut to rear formation.
On the other hand, the drawer at movable side main circuit terminal 5 of vacuum circuit-breaker 1 each phase, the side relative with CR inhibitor 12 arrange bonding conductor 13, be fixedly connected with pair of contact 14 in its front, this pair of contact 14 towards the rear of vacuum circuit-breaker 1, and spaced apartly to be arranged.Such as, by arranging not shown spring member etc., pair of contact 14 is moved to the direction of narrower intervals.
The projecting splicing ear 12c having 3 phases be connected with main circuit side of upper surface of the body housing 12a of CR inhibitor 12.Splicing ear 12c is fixed on assigned position place and contact 14 tabling of flat car framework 7 at body housing 12a, connects with the contact specified.
The body housing 12a of CR inhibitor 12 is provided with earth terminal 12d, after assembling, by earth connection 15 grounding connection to breaker chamber 10 side.
In addition, the shape of contact 14 and splicing ear 12c is not limited to illustrated shape, can the contact being arranged at bonding conductor 13 side be set to such as bar-shaped, the splicing ear of CR inhibitor 12 be set to can carry out sliding thus with the shape of this bar-shaped contact tabling, that is, the relation contrary with diagram is become.
Then, the effect of the vacuum circuit-breaker 1 formed in a manner described is described.
In switching device being assembled into gas-break switch etc., if only the part of this gas-break switch is replaced with vacuum circuit-breaker, then can produce higher surge voltage in vacuum circuit-breaker 1, therefore, in order to suppress this surge, needing, CR inhibitor 12 is set sometimes and is used as surge absorber.
In CR inhibitor 12, the series circuit of capacitor (C) and resistance (R) is accommodated in body housing 12a, and encloses insulating oil in inside.Thus, although weight is different because of the difference of capacity, such as weight reaches about 30kg sometimes, thus processes and be not easy.That is, as shown in Figure 5, be arranged at the feed room at breaker chamber rear and be not easy, being caused the non-constant of operability, being arranged very difficult.
In contrast, the structure of 1 according to the present embodiment, before vacuum circuit-breaker 1 is assembled into breaker chamber 10, under the state installing upper and lower main circuit terminal 4,5, from rear side, one end of the mounting flange 12b of CR inhibitor 12 is installed to the upper rear end of flat car framework 7, make it slide and press the position moving to regulation, splicing ear 12c can be made thus to be connected with contact 14 tabling, as long as thus utilize bolt that mounting flange 12b is fixed on flat car framework 7 in this position, just can complete assembling easily.In this assembled state, as long as by the breaker chamber 10 of vacuum circuit-breaker 1 placing to dish side, move it the link position to rear, and be connected with cutting portion 11, just can complete the replacement of vacuum circuit-breaker 1.
In addition, in the situations such as replacing, by step contrary to the above, CR inhibitor 12 can be made easily to depart from from the body of vacuum circuit-breaker 1 and dismantle.
In the above description, the auxiliary device be connected with the main circuit portion of breaker body is set to CR inhibitor 12, but auxiliary device being not limited to this, can be the surge absorber beyond CR inhibitor, further, if instrument transformer (VT) also can obtain same action effect.
In addition, said structure is not limited to situation gas-break switch being updated to vacuum circuit-breaker, is also applicable to new vacuum circuit-breaker.
As mentioned above, according to the vacuum circuit-breaker of execution mode 1, comprising: vacuum valve, this vacuum valve has fixed contact and travelling contact; Body frame, this body frame receives described vacuum valve; Main circuit terminal, this main circuit terminal is electrically connected with the contact of described vacuum valve, and is exported the rear to described body frame; Flat car framework, this flat car framework carries described body frame, can move in the longitudinal direction; Auxiliary device, this auxiliary device is configured in the below of the described main circuit terminal at described body frame rear, has splicing ear on top; And contact, this contact is arranged at the described main circuit terminal relative with described auxiliary device.
Owing to being by by the splicing ear of described auxiliary device and described contact tabling, make the structure that described auxiliary device is electrically connected with described main circuit terminal, therefore, it is possible to make auxiliary device be connected with the main circuit portion of vacuum circuit-breaker and arrange easily.Thus, such as, replacing with in the operation of vacuum circuit-breaker by existing gas-break switch, when newly establishing auxiliary device, can improve operability, reducing the operating time also reduces costs.
In addition, because auxiliary device is fixed on flat car framework in the rear placing of body frame, therefore, it is possible to before breaker chamber vacuum circuit-breaker being assembled into the dishes such as switching device, auxiliary device and breaker body are combined into one, thus operability can be improved.
Execution mode 2.
Fig. 4 is the end view of the major part structure of the vacuum circuit-breaker represented involved by execution mode 2, and the part equal with Fig. 1 marks identical label, and omits the description.Difference is the package assembly of the CR inhibitor as auxiliary device.
In Fig. 4, CR inhibitor 12 is not installed on flat car framework 7, and the bottom surface of the breaker chamber 10 of placing between flat car framework 7, body housing 12a is directly fixed on breaker chamber 10.
Namely, to body frame 3 placing of vacuum valve 2 be assembled with to flat car framework 7, at each main circuit contact 6 of fixation side main circuit terminal 4 and drawer at movable side main circuit terminal 5 and the link position of cutting portion 11 tabling, the installation site in advance CR inhibitor 12 being installed to the bottom surface of breaker chamber 10 is determined, with the bar-shaped splicing ear 12c becoming CR inhibitor 12 and the position of contact 14 tabling being fixedly connected on bonding conductor 13.
By this structure, before installation flat car framework 7, CR inhibitor 12 can be installed to the bottom surface of breaker chamber 10, and utilize earth connection 15 grounding connection to breaker chamber 10 side further.Then, by flat car framework 7 being positioned over the track of breaker chamber 10, and till being pressed into link position, thus whole device can be formed.
Thus, can CR inhibitor 12 be carried out to be installed to the bottom surface of breaker chamber 10 and by earth connection 15 grounding connection to the operation of breaker chamber 10 side, thus better operability can be realized under configuration placing have the state before the flat car framework 7 of body frame 3.
In addition, identical with the situation of execution mode 1, the auxiliary device be connected with the main circuit portion of breaker body is not limited to the CR inhibitor as surge absorber, as long as one end is connected to the auxiliary device in main circuit portion and applicable.In addition, also can be the surge absorber beyond CR inhibitor, can be instrument transformer (VT).
As mentioned above, according to the vacuum circuit-breaker of execution mode 2, due to auxiliary device placing is fixed on the bottom surface of the breaker chamber being accommodated with vacuum circuit-breaker, therefore, can under state auxiliary device being installed on breaker chamber in advance, by the track of the placing of breaker body portion to breaker chamber that are equipped on flat car framework is carried out pressing to combine, thus the operability of assembling can be improved.
By auxiliary device is set to surge absorber, such as, existing gas-break switch is being replaced with in the operation of vacuum circuit-breaker, though when needs are additional surge absorber is set, also can arrange easily.
Further, by auxiliary device is set to instrument transformer, instrument transformer can be made easily to be connected to fetch with the main circuit portion of vacuum circuit-breaker and to arrange.
In addition, the present application freely can combine each execution mode in this scope of invention, or carries out suitable change, omission to each execution mode.
Label declaration
1: vacuum circuit-breaker, 2: vacuum valve, 2a: movable electrode rod, 3: body frame,
4: fixation side main circuit terminal, 5: drawer at movable side main circuit terminal, 6: main circuit contact,
7: flat car framework, 7a: wheel, 8: panel, 9: insulating bar,
10: breaker chamber, 11: cutting portion, 12:CR inhibitor,
12a: body housing, 12b: mounting flange, 12c: splicing ear,
12d: splicing ear, 13: bonding conductor, 14: contact, 15: earth connection.
Claims (4)
1. a vacuum circuit-breaker, is characterized in that,
Comprise: vacuum valve, this vacuum valve has fixed contact and travelling contact; Body frame, this body frame receives described vacuum valve; Main circuit terminal, this main circuit terminal is electrically connected with the contact of described vacuum valve, and is exported the rear to described body frame; Flat car framework, this flat car framework carries described body frame, can move in the longitudinal direction; Auxiliary device, this auxiliary device is configured in the below of the described main circuit terminal at described body frame rear, has splicing ear on top; And contact, this contact is arranged at the described main circuit terminal relative with described auxiliary device,
By making the splicing ear of described auxiliary device and described contact tabling, described auxiliary device is electrically connected with described main circuit terminal.
2. vacuum circuit-breaker as claimed in claim 1, is characterized in that,
Described auxiliary device is fixed on the described flat car framework at described body frame rear.
3. vacuum circuit-breaker as claimed in claim 1, is characterized in that,
Described auxiliary device is fixed on the bottom surface of the breaker chamber receiving described vacuum circuit-breaker.
4. the vacuum circuit-breaker as described in any one of claims 1 to 3, is characterized in that,
Described auxiliary device is surge absorber or instrument transformer.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-001529 | 2013-01-09 | ||
| JP2013001529 | 2013-01-09 | ||
| PCT/JP2013/072659 WO2014109089A1 (en) | 2013-01-09 | 2013-08-26 | Vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104904080A true CN104904080A (en) | 2015-09-09 |
Family
ID=51166755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380069086.7A Pending CN104904080A (en) | 2013-01-09 | 2013-08-26 | Vacuum circuit breaker |
Country Status (6)
| Country | Link |
|---|---|
| JP (2) | JP5657149B2 (en) |
| KR (1) | KR101723757B1 (en) |
| CN (1) | CN104904080A (en) |
| HK (1) | HK1211387A1 (en) |
| TW (1) | TWI536419B (en) |
| WO (1) | WO2014109089A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253113A (en) * | 2016-07-29 | 2016-12-21 | 李聪 | A kind of primary cut-out |
| USD954990S1 (en) * | 2020-03-06 | 2022-06-14 | Lifenet Health | Tray |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH02239529A (en) * | 1989-03-14 | 1990-09-21 | Meidensha Corp | High-voltage vacuum electromagnetic contactor |
| JPH0564325A (en) * | 1991-09-02 | 1993-03-12 | Hitachi Ltd | Cubicle |
| JPH0739027A (en) * | 1993-07-21 | 1995-02-07 | Toshiba Corp | Metal-clad switchgear |
| JP2005269771A (en) * | 2004-03-18 | 2005-09-29 | Chugoku Electric Power Co Inc:The | Method for updating magnetic breaker |
| JP2010104080A (en) * | 2008-10-21 | 2010-05-06 | Toshiba Corp | Fixing device for drawer-type device |
| CN201699266U (en) * | 2010-05-17 | 2011-01-05 | 昆山光翼光伏科技有限公司 | Quick-plugging lead joint |
| CN201868742U (en) * | 2010-11-18 | 2011-06-15 | 西安利雅得电气股份有限公司 | Drawer type power rectifier cabinet |
| CN102789910A (en) * | 2011-04-27 | 2012-11-21 | 株式会社日立制作所 | Grease for electrical contact and slide electricity structure, power switch, vacuum circuit breaker, vacuum-insulated switchgear assembling method |
| CN203026831U (en) * | 2012-12-03 | 2013-06-26 | 乐星湖开电气（湖北）有限公司 | 27.5kV vacuum circuit breaker for railway |
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| JPS5699733U (en) * | 1979-12-28 | 1981-08-06 | ||
| JPS62111705U (en) * | 1986-01-07 | 1987-07-16 | ||
| JPH0545046Y2 (en) * | 1987-09-25 | 1993-11-17 | ||
| JPH0334228A (en) * | 1989-06-29 | 1991-02-14 | Toshiba Corp | Vacuum circuit breaker |
| JPH0549124A (en) * | 1991-08-14 | 1993-02-26 | Toshiba Corp | Disconnecting device |
| JP3039032B2 (en) * | 1991-09-10 | 2000-05-08 | 富士電機株式会社 | Vacuum electromagnetic contactor |
| JPH05325744A (en) * | 1992-05-19 | 1993-12-10 | Mitsubishi Electric Corp | Vacuum circuit breaker |
| JPH07227016A (en) * | 1994-02-08 | 1995-08-22 | Fuji Electric Co Ltd | Pullout type circuit breaker |
| JP2000324628A (en) * | 1999-05-13 | 2000-11-24 | Mitsubishi Electric Corp | Power circuit breaking device with terminal extension conductor |
| JP4304776B2 (en) * | 1999-07-27 | 2009-07-29 | 三菱電機株式会社 | Drawer device for drawer type electrical equipment |
| KR100351300B1 (en) * | 2000-09-27 | 2002-09-05 | 엘지산전 주식회사 | Hybrid arc extinguishing apparatus for circuit breaker |
| KR100417773B1 (en) * | 2001-04-11 | 2004-02-05 | 엘지산전 주식회사 | Cradle for circuit breaker in cubicle |
| KR200398674Y1 (en) | 2005-07-27 | 2005-10-14 | (주)서전기전 | High integrated metal clad |
| JP2010062092A (en) * | 2008-09-05 | 2010-03-18 | Toshiba Corp | Vacuum breaker |
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2013
- 2013-08-26 JP JP2013558823A patent/JP5657149B2/en active Active
- 2013-08-26 WO PCT/JP2013/072659 patent/WO2014109089A1/en active Application Filing
- 2013-08-26 KR KR1020157003724A patent/KR101723757B1/en active IP Right Grant
- 2013-08-26 CN CN201380069086.7A patent/CN104904080A/en active Pending
- 2013-10-09 TW TW102136483A patent/TWI536419B/en active
-
2014
- 2014-09-09 JP JP2014182933A patent/JP5837163B2/en active Active
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2015
- 2015-12-10 HK HK15112185.3A patent/HK1211387A1/en unknown
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02239529A (en) * | 1989-03-14 | 1990-09-21 | Meidensha Corp | High-voltage vacuum electromagnetic contactor |
| JPH0564325A (en) * | 1991-09-02 | 1993-03-12 | Hitachi Ltd | Cubicle |
| JPH0739027A (en) * | 1993-07-21 | 1995-02-07 | Toshiba Corp | Metal-clad switchgear |
| JP2005269771A (en) * | 2004-03-18 | 2005-09-29 | Chugoku Electric Power Co Inc:The | Method for updating magnetic breaker |
| JP2010104080A (en) * | 2008-10-21 | 2010-05-06 | Toshiba Corp | Fixing device for drawer-type device |
| CN201699266U (en) * | 2010-05-17 | 2011-01-05 | 昆山光翼光伏科技有限公司 | Quick-plugging lead joint |
| CN201868742U (en) * | 2010-11-18 | 2011-06-15 | 西安利雅得电气股份有限公司 | Drawer type power rectifier cabinet |
| CN102789910A (en) * | 2011-04-27 | 2012-11-21 | 株式会社日立制作所 | Grease for electrical contact and slide electricity structure, power switch, vacuum circuit breaker, vacuum-insulated switchgear assembling method |
| CN203026831U (en) * | 2012-12-03 | 2013-06-26 | 乐星湖开电气（湖北）有限公司 | 27.5kV vacuum circuit breaker for railway |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5657149B2 (en) | 2015-01-21 |
| JP5837163B2 (en) | 2015-12-24 |
| HK1211387A1 (en) | 2016-05-20 |
| WO2014109089A1 (en) | 2014-07-17 |
| TW201428803A (en) | 2014-07-16 |
| JPWO2014109089A1 (en) | 2017-01-19 |
| JP2015008152A (en) | 2015-01-15 |
| KR101723757B1 (en) | 2017-04-05 |
| TWI536419B (en) | 2016-06-01 |
| KR20150036560A (en) | 2015-04-07 |
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