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1. 发明专利

BRPI1100236A2 未知
公开(公告)号：BRPI1100236A2
公开(公告)日：2013-03-19
申请号：BRPI1100236
申请日：2011-02-25
申请人： HITACHI LTD
发明人： TAKAHASHI KEIICHI , TSUCHIYA KENJI , MORITA AYUMU , KIKUKAWA SHUICHI , SUGAI DAISUKE
IPC分类号： H02B13/02
摘要： The invention is to provide a switch gear of simple structure preventing an action for turning on a grounding switch when a circuit is not broken and preventing an action for turning on a breaker when the grounding switch is being turned on. The switch gear 1 includes: a vacuum double-break three-position type switch 2; and the grounding switch 5 for grounding a load side of a main circuit. The grounding switch 5 includes an operating part covered with a slide door 10, and the switch gear 1 further includes an interlock lever 11 for preventing the door 10 from sliding freely. The interlock lever 11 is released when the vacuum double-break three-position type switch 2 is in a circuit breaking position, and the door 10 becomes freely slidable, so that the operating part becomes operable.

2. 发明专利

BRPI1100812A2 未知
公开(公告)号：BRPI1100812A2
公开(公告)日：2012-11-20
申请号：BRPI1100812
申请日：2011-02-25
申请人： HITACHI LTD
发明人： IIZUKA KEITA , TSUCHIYA KENJI , KIKUKAWA SHUICHI , SUGAWARA YUICHI
IPC分类号： G01R31/327 , H02B1/24 , H02B13/00
摘要： The invention is to provide switchgear wherein it is possible to test interlockability between a three-position switch having both an interrupting function and a disconnecting function and a protective relay. The switchgear includes a three-position switch having interrupting and disconnecting functions, a protective relay that supplies interrupting and disconnecting commands to the switch, a circuit switching device 6 that allows switching between cases where the command from the protective relay is an interrupting command and cases where the command is a disconnecting command, a bus bar for supplying power to the switch, and a cable for supplying power from the switch to the load side.

3. 发明专利

HK1143889A1 VACUUM SWITCHGEAR 未知
公开(公告)号：HK1143889A1
公开(公告)日：2011-01-14
申请号：HK10110243
申请日：2010-11-01
申请人： HITACHI LTD KABUSHIKIGAISHA HITACHI SEISAKUSHO
发明人： MORITA AYUMU , SATO TAKASHI , UTSUMI TOMOAKI , YANO MAKOTO , TSUCHIYA KENJI , KOBAYASHI MASATO , KIKUKAWA SHUICHI , KATAGIRI JUNICHI
IPC分类号： H01H20060101
摘要： A vacuum switchgear comprising: a vacuum valve comprising a movable conductor (81) connected to an insulating rod (105), and a fixed conductor (81') connected to a bus bar (5) or to a load cable, a vacuum chamber (12) encasing the vacuum valve (80), an insulating envelope covering the vacuum chamber, the outer surface thereof being covered with an electro-conductive layer thereby to earth the envelope, an insulating lid gas-tightly fitted to the insulating envelope, the lid having an insulating bushing through which an insulating rod penetrates, the insulating rod being connected to an operating mechanism (11), wherein the insulating rod except a portion exposed from the bushing is gas-tightly confined in insulating gas atmosphere formed between the insulating envelope and the insulating lid.

4. 发明专利

SG134273A1 VACUUM INSULATED SWITCHGEAR 未知
公开(公告)号：SG134273A1
公开(公告)日：2007-08-29
申请号：SG2007003874
申请日：2007-01-19
申请人： HITACHI LTD
发明人： TSUCHIYA KENJI , KIKUKAWA SHUICHI
摘要： A vacuum insulated switchgear comprising a case (1) having a switch section (1b), a bus-bar (1a) section and a cable (1c) section, each being partitioned by an earthed metal plate, a vacuum double break three point (8) switch disposed in the switch section and having breaking and disconnecting function, an operator (11), a bus-bar (5) disposed in the bus-bar section of the case, and a cable connection terminal (6) connected to a cable (3) in the cable section.

5. 发明专利

BRPI1005892A2 未知
公开(公告)号：BRPI1005892A2
公开(公告)日：2013-03-26
申请号：BRPI1005892
申请日：2010-12-01
申请人： HITACHI LTD
发明人： SUGAI DAISUKE , TSUCHIYA KENJI , KIKUKAWA SHUICHI , SATO TAKASHI
IPC分类号： H01H33/66 , H02B13/02

6. 发明专利

AT557409T 未知
公开(公告)号：AT557409T
公开(公告)日：2012-05-15
申请号：AT11002461
申请日：2010-08-03
申请人： HITACHI LTD
发明人： YAMAZAKI MIKI , TSUCHIYA KENJI , MORITA AYUMU , KOBAYASHI MASATO , KIKUKAWA SHUICHI , KIKUCHI SHIGERU
IPC分类号： H01H11/04 , H01H33/664

7. 发明专利

SG169273A1 VACUUM INSULATED SWITCHGEAR 未知
公开(公告)号：SG169273A1
公开(公告)日：2011-03-30
申请号：SG2010053510
申请日：2010-07-23
申请人： HITACHI LTD
发明人： KIKUKAWA SHUICHI , TSUCHIYA KENJI , KAJIYAMA YUUKO , SUGAI DAISUKE
摘要： Disclosed is a vacuum insulated switchgear including a bus section panel adapted to allow both an on/off state of a housing-contained circuit breaker and earthing switch, and a connection state of busbars to be confirmed structurally and visually from the front of the panel. The vacuum insulated switchgear comprises: a housing enclosing a control compartment, a switch compartment, and a busbar compartment, each of the three compartments being partitioned by a metallic earthing plate; a first busbar and second busbar extended from an adjacent panel, in the busbar compartment; and a first busbar-connecting bushing and second busbar- connecting bushing making the first and second busbars connectible/disconnectible; a double-breaking three position vacuum switch, two sets of earthing switch, the first busbar-connecting bushing, and the second busbar-connecting bushing being integrally molded to form a switch provided on an electrical phase-by phase basis independently, wherein the switches for three phases are arranged in order side by side in the housing, in a longitudinal direction of the housing as viewed from its front; and the first busbar-connecting bushing in each switch is located to the left side of the housing front, and the second busbar-connecting bushing is located to the right side of the housing front. Figure.2

8. 发明专利

SG163498A1 VACUUM INSULATED SWITCHGEAR 未知
公开(公告)号：SG163498A1
公开(公告)日：2010-08-30
申请号：SG2010005486
申请日：2010-01-26
申请人： HITACHI LTD
发明人： KIKUKAWA SHUICHI , TSUCHIYA KENJI , KOBAYASHI MASATO
摘要： A is arranged as a panel for a power substation with the other or the others in parallel rows. the vacuum insulated switchgear comprises a housing with a switch section, a bus section, a cable section, and a control section which are partitioned by earthed metal plates respectively. The vacuum insulated switchgear comprises: a connection member provided in each bus connecting part in the bus section of the each panel and enabling each bus to be connected and disconnected; and a bus recovery member which is detachably connected between the connection members of faultless panels adjacent to a faulty panel when the faulty panel occurred. (Fig. 8)

9. 发明专利

DE69836300D1 未知
公开(公告)号：DE69836300D1
公开(公告)日：2006-12-14
申请号：DE69836300
申请日：1998-07-23
申请人： HITACHI LTD
发明人： TANIMIZU TORU , KOBAYASHI MASATO , KIKUKAWA SHUICHI , MORITA AYUMU , SUZUKI MINORU , HAKAMATA YOSHIMI , KOJIMA KATSUNORI , SHIBATA YOZO , GOTOH YOSHITOMO , TERAI MAKOTO , OKADA TAKUYA , NAKATSUGAWA NAOKI
IPC分类号： H01H33/66 , H01H1/58 , H01H31/00 , H01H33/666 , H02B13/02
摘要： There is disclosed a vacuum insulation switch provided with a movable electrode, a stationary electrode and an earthing electrode, which are insulated from each other, in a vacuum container made of a conductive material which is earthed, and a switchgear using the same. Since the vacuum insulation, which is excellent in the insulation ability, is utilized, the switch is drastically miniaturized and the number of constituent parts are reduced, whereby the manufacturing cost of the switch and the switchgear can be decreased.

10. 发明专利

SG192031A1 VACUUM INSULATION SWITCHGEAR AND METHOD FOR REPLACING MOLD SWITCH 未知
公开(公告)号：SG192031A1
公开(公告)日：2013-08-30
申请号：SG2013055017
申请日：2011-01-26
申请人： HITACHI LTD
发明人： KIKUKAWA SHUICHI , TAKAHASHI KEIICHI , MORITA AYUMU
摘要： 23AbstractThe objective of the present invention is to replace a mold switch without enlarging the entirety of a switchgear. When replacing a mold switch which is arranged within a switching5 device section and is comprised of a switch having an interrupting function operated by an operation mechanism portion located below, and a switch having a disconnection/earthing function: the connection between a bus-side bushing and a bus and the connection between a10 cable-side bushing and the cable are removed, the fastening to a mold switch securing member which secures the mold switch in a cabinet and the fastening to a switching device support member which supports and secures the mold switch securing member are released, and thereafter, the mold switch securing member15 is pulled upward by equal to or more than a projecting size of the bus-side bushing in the height direction, and then, the mold switch is pulled out in the horizontal direction to remove the mold switch out of the switchgear, and thereafter, a mold switch for replacement is installed in the switching device20 section by procedures reversing the above.

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