CN103563036A - Vacuum breaker - Google Patents

Vacuum breaker Download PDF

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Publication number
CN103563036A
CN103563036A CN201180071137.0A CN201180071137A CN103563036A CN 103563036 A CN103563036 A CN 103563036A CN 201180071137 A CN201180071137 A CN 201180071137A CN 103563036 A CN103563036 A CN 103563036A
Authority
CN
China
Prior art keywords
mechanism shell
insulating frame
breaker
vacuum valve
insulating
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
Application number
CN201180071137.0A
Other languages
Chinese (zh)
Inventor
后藤圭二
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN103563036A publication Critical patent/CN103563036A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/662Housings or protective screens
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/53Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/662Housings or protective screens
    • H01H33/66207Specific housing details, e.g. sealing, soldering or brazing
    • H01H2033/6623Details relating to the encasing or the outside layers of the vacuum switch housings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/666Operating arrangements
    • H01H2033/6665Details concerning the mounting or supporting of the individual vacuum bottles

Abstract

The invention comprises a three-phase vacuum valve (2), three insulating frames (3) that accommodate and hold each phase of the vacuum valve (2) individually, and a dolly frame (7) that has a mechanism case (7c) on the front surface thereof. The three insulating frames (3) that house the vacuum valve (2) are placed in a horizontal row behind the mechanism case (7c), with the bottom sides thereof affixed to the dolly frame (7). A lock (15) is provided on the opposing portion between the insulating frames (3) and the mechanism case (7c), such that the lock (15) restrains the displacement of the insulating frames (3) in the phase-to-phase direction.

Description

Vacuum circuit-breaker
Technical field
The present invention relates to a kind of vacuum circuit-breaker with vacuum valve using in carrying electric equipment, especially, relate to the Insulating frame that vacuum valve is accommodated, kept.
Background technology
The portion of opening circuit of vacuum circuit-breaker is that vacuum valve adopts following structure: three-phase is in the axial direction abreast with predetermined distance configuration, and three-phase is whole or be held in respectively Insulating frame mutually by each, and is installed in chassis framework.
At vacuum valve, be held in the existing vacuum circuit-breaker of the shared Insulating frame of three-phase, for example, on chassis base, installing is formed with the Insulating frame of the chamber that is separated into three-phase, at each indoor axis that makes, towards vertically, accommodate respectively vacuum valve, the fixation side of the top of vacuum valve is connected with the top main circuit conductor of horizontal direction and is fixed on Insulating frame, and the drawer at movable side of bottom is connected with bottom main circuit conductor by flexible conductor and is pulled out in the horizontal direction (for example, with reference to patent documentation 1).
In addition, in being held in respectively the existing vacuum circuit-breaker of Insulating frame, for example, within cross section is the Insulating frame of U-shaped, so that axis disposes vacuum valve towards the mode of vertical direction, three-phase vacuum valve is installed in mobile trolley used together with Electromagnetically-operating portion.In addition, the fixation side conductor being connected with moving contact with the fixed contact of vacuum valve and drawer at movable side conductor arrangement are upper and lower in vacuum valve, and towards outside, derive (for example, with reference to patent documentation 2) from being the peristome side along continuous straight runs of the Insulating frame of U-shaped.
Prior art document
Patent documentation
Patent documentation 1: Japanese patent laid-open 7-320610 communique (the 3rd page, Fig. 1)
Patent documentation 2: Japanese Patent Laid-Open 2006-49247 communique (the 4th page, Fig. 1)
Summary of the invention
Invent technical problem to be solved
The main circuit conductor that is disposed at three-phase vacuum valve in Insulating frame and top and bottom forms the parallel current circuit of three-phase, therefore, for example, in the situation that the so large electric current of short circuit current flows through conducting parts, in alternate direction, can produce excessive electromagnetic force, this electromagnetic force also can act on the three phase isolated framework that conductor portion is supported.
In the vacuum circuit-breaker of patent documentation 1, Insulating frame is made as to three-phase and shares, therefore, can guarantee to a certain extent the intensity that three-phase is mutual, but when the breaking capacity of vacuum circuit-breaker becomes large, the maximization that also becomes of vacuum valve and main circuit conductor portion, causes Insulating frame to maximize thus.Therefore, in order to make in the shared mode of three-phase, the initial cost that exists the maximization because of mould structure to produce increases, can make the problem such as limited of the manufacturing factory of mould, and these can become the main cause that cost rises.Therefore, utilize the Insulating frame of three-phase common type to advance the maximization of vacuum circuit-breaker to have problems.
On the other hand, as patent documentation 2, Insulating frame is being fixed on respectively by three-phase in the vacuum circuit-breaker of chassis, the mould of making Insulating frame can be less than three-phase common type, therefore, aspect making, advantage is larger, but also can imagine and can make Insulating frame displacement because of above-mentioned electromagnetic force.If Insulating frame displacement, also displacement of the contact site of the contact of main circuit conductor, energising performance reduces and may cause generation current electric arc.In order to prevent the problems referred to above, need to adopt the chassis framework that make Insulating frame and this Insulating frame is installed to maximize to realize the measures such as contact load that rigidity rises or improves contact position, exist and cause cost such problem that rises.
The present invention does in order to address the above problem, even if its object be to obtain a kind of adopt three-phase independently Insulating frame in the situation that, for the electromagnetic force in alternate direction, also there is the vacuum circuit-breaker of excellent mechanicalness intensity.
The technical scheme that technical solution problem adopts
Vacuum circuit-breaker of the present invention comprises: the vacuum valve of three-phase; Three Insulating frames, these three Insulating frames are accommodated, are kept vacuum valve respectively mutually by each; And chassis framework, this chassis framework has mechanism shell in front surface side, this mechanism shell contains the operating mechanism portion of vacuum valve, three Insulating frames that contain vacuum valve are disposed at abreast the rear of mechanism shell on left and right directions, and the lower side of three Insulating frames is fixed on chassis framework, it is characterized in that, at each Insulating frame, be provided with engaging portion with the relative portion of mechanism shell, the displacement in alternate direction retrains to each Insulating frame to utilize engaging portion.
Invention effect
According to vacuum circuit-breaker of the present invention, by engaging portion be located at each Insulating frame with the relative portion of mechanism shell to each Insulating frame, the displacement in alternate direction retrains, therefore, can provide a kind of electromagnetic force for working in alternate direction to there is the vacuum circuit-breaker of excellent mechanicalness intensity.
In addition, without the intensity that exceedingly improves Insulating frame, therefore, can realize lightweight, in addition, excessive cross force can not put on the contact of the fixation side conductor of vacuum valve and the connecting portion of drawer at movable side conductor and axle bush, therefore, can reduce contact.Therefore, can realize the miniaturization and of vacuum circuit-breaker.
Accompanying drawing explanation
Fig. 1 means end view and the rearview of the vacuum circuit-breaker of embodiment of the present invention one.
Fig. 2 means the sectional side view of inside of the vacuum circuit-breaker of Fig. 1.
Fig. 3 means the partial enlarged drawing of the major part of Fig. 1.
Fig. 4 is the vertical view cutaway drawing of the vacuum circuit-breaker of embodiment of the present invention two.
Fig. 5 means the vertical view cutaway drawing of another embodiment of the vacuum circuit-breaker of embodiment of the present invention two.
Embodiment
Execution mode one
Fig. 1 means the figure of the vacuum circuit-breaker of embodiment of the present invention one, and Fig. 1 (a) is end view, and Fig. 1 (b) observes the rearview of Fig. 1 (a) from right side.Fig. 2 means the sectional side view of inside of the vacuum circuit-breaker of Fig. 1, and it shows in the casing that is contained in switching device etc. and loads the state in fixed frame.In addition, Fig. 3 be in Fig. 1 with in the circle shown in chain-dotted line part enlarged drawing.
In Fig. 1, the vacuum valve 2 that forms the portion that opens circuit of vacuum circuit-breaker 1 accommodated into fixed contact and moving contact (all not shown) can contact, separated mode is disposed at the inside that is vacuum tank cylindraceous.As shown in Fig. 1 (b), in the Insulating frame 3 that the mode so that vacuum valve 2 is surrounded that is respectively contained in respectively mutually of three-phase vacuum valve 2 arranges.The fixation side conductor 4 being connected with fixed contact is exported in the direction of the axis quadrature with vacuum valve 2 from the upper side of vacuum valve 2, and the drawer at movable side conductor 5 connected with moving contact is exported towards the direction identical with fixation side conductor 4 from the lower side of vacuum valve 2.
Each front at fixation side conductor 4 and drawer at movable side conductor 5 is provided with contact 6.Contact 6 is for example arranged with a plurality of contact chips in a circumferential direction, in the periphery of contact 6, is provided with spring, utilize spring to contact chip towards the center position application of force.
In Fig. 1 (a), the left side of figure is the front surface side of vacuum circuit-breaker 1.In the following description, to take this front surface side be benchmark in the expression such as front surface, the back side, fore-and-aft direction, left and right directions.
Insulating frame 3 is installed in chassis framework 7.Chassis framework 7 comprises wheel 7a in bottom, moving up in front and back.In front surface side, have panel 7b, the positive rear side of this panel 7b, for mainly to accommodate the mechanism shell 7c of the operating mechanism (not shown) of vacuum valve 2, forms chassis framework 7 by these members.
Three Insulating frames 3 of three-phase make axis, and towards vertical direction and on left and right directions, alignment arrangements is in the rear of the mechanism shell 7c of chassis framework 7, and lower side utilizes bolt etc. to be fixed on chassis framework 7, if observe from rear side, as shown in Fig. 1 (b).
Then, utilize Fig. 2 to describe the internal structure of vacuum circuit-breaker 1.
As shown in the figure, the upper side being connected with fixed contact of vacuum valve 2 is electrically connected to fixation side conductor 4, and by fixation side conductor 4 is fixed on to Insulating frame 3 and vacuum valve 2 is mechanically fixed on to Insulating frame 3.
On the other hand, in the moving contact side of vacuum valve 2, the movable electrode rod 8 that exports to below is connected with the drawer at movable side conductor 5 that is fixed on Insulating frame 3 by flexible conductor 9.In addition, movable electrode rod 8 is connected with insulating bar 10 on axis direction, and insulating bar 10 is connected with the operating mechanism (not shown) in being contained in mechanism shell 7c via linkage 11.By the operation of operating mechanism, via insulating bar 10, movable electrode rod 8 is moved up and down, drive the moving contact of vacuum valve 2 and make itself and fixed contact contact, separated, thereby carry out opening of vacuum circuit-breaker 1, close.
On the casing of the switching device of accommodating at confession vacuum circuit-breaker 1 etc., be provided with the fixed frame of mounting vacuum circuit-breaker 1.Fig. 2 means the figure loading in the state of this fixed frame.On the base plate face 12 of fixed frame, be provided with the guide rail that the wheel 7a of chassis framework 7 is guided, on the rear wall 13 of fixed frame, be provided with axle bush 14.Each contact 6 of the fixation side conductor 4 of vacuum valve 2 one sides and drawer at movable side conductor 5 is chimeric with the center conductor 14a of axle bush 14.In addition, the rear side of a upper and lower axle bush 14 for example side is connected with main circuit bus (not shown), and the opposing party is connected with the cable (not shown) of load-side.
The connection status that contact 6 is connected with center conductor 14a has been shown in Fig. 2, but by pulling, be located at vacuum circuit-breaker 1 panel 7b handle and towards the place ahead, pull out, can make being connected of contact 6 and center conductor 14a disconnect and form off state.
Then to the features of the present application, be, that chassis framework 7 describes with the structure of the engaging portion 15 of Insulating frame 3.
Fig. 3 (a) is the enlarged drawing of the III portion that surrounds with chain-dotted line in Fig. 1, and Fig. 3 (b) is the figure that observes Fig. 3 (a) in the direction of arrow.
In the front surface side of the Insulating frame 3 of each phase, relative with the back side of the mechanism shell 7c of chassis framework 7 side, be formed with columned jut 16.On the other hand, as shown in Fig. 3 (b), in the rear side of mechanism shell 7c, be provided with the embedded hole 17 that internal diameter is slightly larger than the external diameter of jut 16.Embedded hole 17 is located at kink 7d, and this kink 7d extends towards rear side by making to form the top plate portion of the casing of mechanism shell 7c, and form towards below bending 90 degree.
By above-mentioned jut 16 and embedded hole 17, form engaging portion 15, Insulating frame 3 is being installed under the state of chassis framework 7, both are chimeric engaging as schemed.That is, the lower side of Insulating frame 3 is fixed on chassis framework 7, and near the engaging portion 15 short transverse pars intermedia also engaging to chassis framework 7 one sides.
In addition, in Fig. 3, show the situation that embedded hole 17 is located at the kink 7d that the top board of mechanism shell 7c is extended and form, but also can be located at the back side that is installed on mechanism shell 7c as the plate of other member.
Then, the effect of engaging portion 15 is described.
As shown in Figure 2, when vacuum circuit-breaker 1 is assembled in the casing of switching device etc. and while being used, form the mobile current path of center conductor 14a from the center conductor 14a of the axle bush 14 on top towards the fixed contact of fixation side conductor 4-vacuum valve 2 and the axle bush 14 of moving contact-flexible conductor 9-drawer at movable side conductor 5-bottom.Three-phase vacuum valve 2 is accommodated and is fixed on respectively independently Insulating frame 3 and parallel deployment, therefore, while making larger short circuit current flow in above-mentioned current path when generations such as earth faults, because this electric current can produce larger electromagnetic force by the direction shown in arrow between three-phase conductor in Fig. 1 (b).Because fixation side conductor 4 and drawer at movable side conductor 5 are fixed on Insulating frame 3, therefore, also can in the alternate direction (surface observation is left and right directions in the past) of Insulating frame 3, apply this excessive electromagnetic force.If this electromagnetic force is ignored, want to make the power of contact 6 positions displacement in alternate direction of vacuum circuit-breaker 1 also can work, therefore, can become inhomogeneous contact and damage energising performance with the contacting of center conductor 14a of axle bush 14, may be because situation be at contact site place generation current electric arc (current arc).
Therefore, as present embodiment one, be provided with by being located at the jut 16 of Insulating frame 3 one sides and being located at the engaging portion 15 that the embedded hole 17 of chassis framework 7 one sides forms, by this, Insulating frame 3 can be retrained towards alternate direction displacement, therefore, the mechanicalness intensity that Insulating frame 3 is required can be guaranteed, contact 6 displacements can be suppressed, and contact site place generation current electric arc can be prevented.
Jut 16 can form when Insulating frame 3 is carried out to mould-forming simultaneously, and embedded hole 17 only just can easily form by offering hole after the size of the top board of mechanism shell 7c is extended.
In addition, the shape of jut 16 and embedded hole 17 is not defined as circle, can be quadrangle, polygon yet.In addition, number also can arrange a plurality of as required on an Insulating frame.
In addition, also jut can be located to mechanism shell 7c mono-side, and embedded hole is located to each Insulating frame 3.
As mentioned above, the vacuum circuit-breaker according to execution mode one, comprising: the vacuum valve of three-phase; Three Insulating frames, these three Insulating frames are accommodated, are kept vacuum valve respectively mutually by each; And chassis framework, this chassis framework has mechanism shell in front surface side, this mechanism shell contains the operating mechanism portion of vacuum valve, three Insulating frames that contain vacuum valve are disposed at abreast the rear of mechanism shell on left and right directions, and lower side is fixed on chassis framework, at each Insulating frame, with the relative portion of mechanism shell, engaging portion is set, utilize engaging portion to retrain the displacement of the alternate direction of each Insulating frame, therefore, can provide a kind of electromagnetic force for working in alternate direction to there is the vacuum circuit-breaker of excellent mechanicalness intensity.
In addition, without the intensity that exceedingly improves Insulating frame, therefore, can lightweight.
In addition, do not have excessive cross force and put on and make the fixation side conductor of vacuum valve and the contact that drawer at movable side conductor is connected with axle bush, therefore, can reduce contact, and the displacement that can suppress contact position prevents arc current.
In addition, also can reduce the rigidity requirement of chassis framework, therefore, can realize the miniaturization and of vacuum circuit-breaker.
In addition, engaging portion consists of jut and embedded hole, wherein, above-mentioned jut is located at the opposite face relative with mechanism shell of each Insulating frame, above-mentioned embedded hole is to be located at mechanism shell one side with the chimeric mode of jut, therefore, can form engaging portion with simple structure, and can obtain above-mentioned effect.
Execution mode two
Fig. 4 is the vertical view cutaway drawing of the vacuum circuit-breaker of embodiment of the present invention two.Fig. 4 observes the figure of the vacuum circuit-breaker identical with Fig. 1 of execution mode one from upper surface, therefore, also description thereof is omitted for the part identical with Fig. 1, to mark identical symbol, below, centered by the difference different from execution mode one, describe.
In execution mode one, Insulating frame 3 and the engaging portion 15 of chassis framework 7 are made as to the jut 16 of Insulating frame 3 one sides and the embedded hole 17 of chassis framework 7 one sides, but in this embodiment, as shown in Figure 4, the front surface side of Insulating frame 3 in the form of a substantially rectangular when observing from upper surface, be formed with longitudinally longer flange part 3a with the both sides of the relative side of rear side of the mechanism shell 7c of chassis framework 7, in chassis framework 7 one sides, be provided with the top board of mechanism shell 7c is extended towards Insulating frame 3 one sides, and there is the fastening plate 18 that engages such front end shape with the inner side of the flange part 3a of the both sides of three Insulating frames 3, make the leading section of fastening plate 18 and the inner side of flange part 3a engage to form engaging portion 15.
The in the situation that of Fig. 4, show the situation that fastening plate 18 also doubles as the top board of mechanism shell 7c, but also can be formed by the member different from top board fastening plate 18, and this fastening plate 18 is engaged with mechanism shell 7c.
In addition, in Fig. 4, flange part 3a is located to the Width both sides of Insulating frame 3, but flange part also can be only located at a for example position of the central portion of Width, and make the front end shape of fastening plate 18 and this flange part be formed and using as engaging portion matchingly.
Then, another embodiment of engaging portion is described.
Fig. 5 is the vertical view cutaway drawing of vacuum circuit-breaker that another example of engaging portion is shown.Owing to being the part corresponding with Fig. 4 before, therefore, for identical part, with identical symbol, represent and description thereof is omitted, centered by the difference different from Fig. 4, describe.In Fig. 5, on Insulating frame 3, flange part is not set, but the end 3b on Width is made as the engaging portion of Insulating frame 3 one sides by the Insulating frame 3 of each phase in cross section in the form of a substantially rectangular, in mechanism shell 7c mono-side, setting makes top board extend towards Insulating frame 3 one sides, and the shape of leading section is made as to the fastening plate 19 of the shape of the Width integral body that clips each Insulating frame 3 from outside.Also member that can be different by the top board from mechanism shell 7c forms fastening plate 19.
According to Fig. 4 or the such structure of Fig. 5, when the so large electric current of short circuit current flows through vacuum valve 2, can prevent that Insulating frame 3 is towards alternate direction displacement, therefore, can suppress contact 6 position displacements, and can prevent contact site place generation current electric arc.
In addition, the shape of engaging portion is not limited to Fig. 4, Fig. 5, as long as appropriately determine the shape of the part of institute's engaging with the form fit ground of Insulating frame one side.
As mentioned above, according to the vacuum circuit-breaker of execution mode two, engaging portion consists of flange part and fastening plate, wherein, above-mentioned flange part is located at the opposite face relative with mechanism shell of each Insulating frame, above-mentioned fastening plate has the front end shape engaging with flange part, and be located at mechanism shell one side, therefore, can provide a kind of when the so large electric current of short circuit current flows through, the vacuum circuit-breaker for the electromagnetic force working in alternate direction with excellent mechanicalness intensity, in addition, can also obtain the effect identical with execution mode one.
In addition, engaging portion consists of the both ends of the opposite face relative with mechanism shell of each Insulating frame and the fastening plate that has the front end shape engaging with both ends and be located at mechanism shell one side, therefore, without carrying out the special processing for engaging in Insulating frame one side, just can obtain effect same as described above.
Symbol description
1 vacuum circuit-breaker
2 vacuum valves
3 Insulating frames
3a flange part
3b end
4 fixation side conductors
5 drawer at movable side conductors
6 contacts
7 chassis frameworks
7a wheel
7b panel
7c mechanism shell
7d kink
8 movable electrode rods
9 flexible conductors
10 insulating bars
11 linkages
12 base plate faces
13 rear walls
14 axle bushes
14a center conductor
15 engaging portions
16 juts
17 embedded holes
18,19 fastening plates.

Claims (4)

1. a vacuum circuit-breaker, comprising:
The vacuum valve of three-phase;
Three Insulating frames, these three Insulating frames are accommodated, are kept described vacuum valve respectively mutually by each; And
Chassis framework, this chassis framework has mechanism shell in front surface side, and this mechanism shell contains the operating mechanism portion of described vacuum valve,
Three described Insulating frames that contain described vacuum valve are disposed at abreast the rear of described mechanism shell on left and right directions, and the lower side of three described Insulating frames is fixed on described chassis framework, it is characterized in that,
Described in each, Insulating frame is provided with engaging portion with the relative portion of described mechanism shell, and the displacement in alternate direction retrains to Insulating frame described in each to utilize described engaging portion.
2. vacuum circuit-breaker as claimed in claim 1, is characterized in that,
Described engaging portion consists of jut and embedded hole, and wherein, described jut is located at the opposite face relative with described mechanism shell of Insulating frame described in each, and described embedded hole is to be located at described mechanism shell one side with the chimeric mode of described jut.
3. vacuum circuit-breaker as claimed in claim 1, is characterized in that,
Described engaging portion consists of flange part and fastening plate, and wherein, described flange part is located at the opposite face relative with described mechanism shell of Insulating frame described in each, and described fastening plate has the front end shape engaging with described flange part, and is located at described mechanism shell one side.
4. vacuum circuit-breaker as claimed in claim 1, is characterized in that,
Described engaging portion consists of both ends and the fastening plate of the opposite face relative with described mechanism shell of Insulating frame described in each, and wherein, described fastening plate has the front end shape engaging with described both ends and is located at described mechanism shell one side.
CN201180071137.0A 2011-06-20 2011-06-20 Vacuum breaker Pending CN103563036A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/064036 WO2012176259A1 (en) 2011-06-20 2011-06-20 Vacuum breaker

Publications (1)

Publication Number Publication Date
CN103563036A true CN103563036A (en) 2014-02-05

Family

ID=47422141

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201180071137.0A Pending CN103563036A (en) 2011-06-20 2011-06-20 Vacuum breaker

Country Status (6)

Country Link
JP (1) JP5150013B1 (en)
KR (1) KR101510982B1 (en)
CN (1) CN103563036A (en)
DE (1) DE112011105362B4 (en)
TW (1) TWI431654B (en)
WO (1) WO2012176259A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106796852A (en) * 2014-09-09 2017-05-31 三菱电机株式会社 Vacuum circuit breaker
CN106960759A (en) * 2017-04-05 2017-07-18 平高集团有限公司 Monopole insulating cylinder and the monopole arc-chutes and on-load switch using the monopole insulating cylinder

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JPS49104164A (en) * 1973-02-09 1974-10-02
JPS54101476U (en) * 1977-12-28 1979-07-17
JPS60147127U (en) * 1984-03-12 1985-09-30 株式会社明電舎 Vacuum cutter
CN101320653A (en) * 2008-07-22 2008-12-10 冯文伶 Handcart type vacuum circuit breaker
CN101515519A (en) * 2008-02-07 2009-08-26 伊顿公司 Encapsulated pole unit conductor assembly for an encapsulated pole unit and medium voltage circuit interrupter including the same
JP2010288344A (en) * 2009-06-10 2010-12-24 Japan Ae Power Systems Corp Breaker drawer device

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JPS57147830A (en) * 1981-03-06 1982-09-11 Tokyo Shibaura Electric Co Vacuum breaker
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CN101981645B (en) * 2008-04-07 2013-12-11 三菱电机株式会社 Vacuum breaker and gas insulated switchgear using the same
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Publication number Priority date Publication date Assignee Title
JPS49104164A (en) * 1973-02-09 1974-10-02
JPS54101476U (en) * 1977-12-28 1979-07-17
JPS60147127U (en) * 1984-03-12 1985-09-30 株式会社明電舎 Vacuum cutter
CN101515519A (en) * 2008-02-07 2009-08-26 伊顿公司 Encapsulated pole unit conductor assembly for an encapsulated pole unit and medium voltage circuit interrupter including the same
CN101320653A (en) * 2008-07-22 2008-12-10 冯文伶 Handcart type vacuum circuit breaker
JP2010288344A (en) * 2009-06-10 2010-12-24 Japan Ae Power Systems Corp Breaker drawer device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106796852A (en) * 2014-09-09 2017-05-31 三菱电机株式会社 Vacuum circuit breaker
CN106960759A (en) * 2017-04-05 2017-07-18 平高集团有限公司 Monopole insulating cylinder and the monopole arc-chutes and on-load switch using the monopole insulating cylinder

Also Published As

Publication number Publication date
TW201301327A (en) 2013-01-01
WO2012176259A1 (en) 2012-12-27
JPWO2012176259A1 (en) 2015-02-23
DE112011105362B4 (en) 2023-06-07
DE112011105362T5 (en) 2014-03-13
TWI431654B (en) 2014-03-21
JP5150013B1 (en) 2013-02-20
KR101510982B1 (en) 2015-04-10
KR20140017640A (en) 2014-02-11

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