CN104011822A - Vacuum circuit breaker - Google Patents

Vacuum circuit breaker Download PDF

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Publication number
CN104011822A
CN104011822A CN201280063205.3A CN201280063205A CN104011822A CN 104011822 A CN104011822 A CN 104011822A CN 201280063205 A CN201280063205 A CN 201280063205A CN 104011822 A CN104011822 A CN 104011822A
Authority
CN
China
Prior art keywords
insulating
conductive component
insulating frame
roughly
frames
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201280063205.3A
Other languages
Chinese (zh)
Other versions
CN104011822B (en
Inventor
佐藤聪
渡边英树
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.)
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Electric Manufacturing Co Ltd
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 Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Electric Manufacturing Co Ltd
Publication of CN104011822A publication Critical patent/CN104011822A/en
Application granted granted Critical
Publication of CN104011822B publication Critical patent/CN104011822B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01H33/66207Specific housing details, e.g. sealing, soldering or brazing
    • 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/0354Gas-insulated switchgear comprising a vacuum switch

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

Provided is a vacuum circuit breaker in which a vacuum valve (46) is disposed horizontally in a tank (31), the vacuum valve (46) is housed in an insulating case (51), the insulating case (51) comprises two insulating frames (52) consisting of a first insulating frame with a roughly C-shaped cross-section and a second insulating frame with a shape symmetrical to that of the first insulating frame, and the two insulating frames (52) are disposed with the openings of the roughly C-shaped cross-sections facing each other and a gap being provided therebetween, wherein cutaway sections (53, 54) for allowing a movable-side conductor (44) and a fixed-side conductor (48) to pass are provided in the upper and lower edges of the roughly C-shaped cross-sections of the insulating frames (52), and the insulating frames (52) are further provided with a mounting rib (55), a mounting end surface (61), and a tank mounting section (59) for mechanically securing the mobile-side conductor (44), the fixed-side conductor (48), and a tank flange (31a), respectively.

Description

Vacuum circuit-breaker
Technical field
The present invention relates to vacuum circuit-breaker, relate more particularly to such vacuum circuit-breaker, the vacuum circuit-breaker of described type has the vacuum valve being arranged in insulation shell.
Background technology
The insulation shell (patent documentation 1) being used in conventional vacuum circuit-breaker has been shown in Fig. 8 to 10.As shown in Figure 8, patent documentation 1 discloses a kind of insulation shell 13, and described insulation shell is by being clipped between two Insulating frame 11a and 11b vacuum valve 14 and receiving vacuum valve 14 in insulation shell.The movable electrode bar 27 that is connected in vacuum valve 14 is connected in drive unit (not shown) by insulating bar 19.One end of compliant conductive parts (not shown) is connected in the bonding part between insulating bar 19 and movable electrode bar 27, the other end of described compliant conductive parts extends towards the conductive component that is arranged in insulation shell outside, and the outer peripheral portion of conductive component is covered by conductive component lid 18.
As seen from Figure 9, insulation shell 13 comprises: the first Insulating frame 11a of longitudinal extension, and described the first Insulating frame has roughly C tee section; And the second Insulating frame 11b, described the second Insulating frame has the shape identical with the first Insulating frame 11a, and these two framework 11a and 11b are arranged to leave space between them and their open side is pointed to each other.By this layout, insulation shell 13 can have certain mechanical strength of the electromagnetic force of resisting the one pole part that puts on circuit breaker.Patent documentation 1 discloses another embodiment, wherein, as shown in Figure 10, each in Insulating frame 24a and 24b is formed with otch 21, to make hot gas circulation improve the cooling performance of described Insulating frame by convection current, the heating that described hot gas causes when switching on causes.In fact, three insulation shells 13 are arranged abreast, to receive respectively threephase cable.
In addition, in patent documentation 2 (not shown), a kind of mold frame is disclosed, described mold frame is by pouring into a mould integratedly or parts and a pair of insulation barrier parts of the fixed terminal part of moulded support vacuum valve are manufactured, and described a pair of insulation barrier parts are arranged substantially abreast to make to be limited to the space insulation between the corresponding phase that is arranged in vacuum valve both sides.Both sides by being provided as right insulation barrier parts are this structure of opening all, the conductive component that is connected in the one pole part of vacuum valve can be connected in required part by any in opening portion, thereby, can carry out electrical wiring with the shortest length, allow thus conductive component to have the shortest length, this is described in patent documentation 2.
At wherein two Insulating frames as described in Patent Document 1, be arranged in the upper position of vacuum valve and the structure of lower position, the insulation shell with through hole or cut out portion must be provided, conductive component is through described opening or cut out portion, for making the other end (described conductive component is connected in movable electrode bar in its one end) of conductive component be connected in the outside circuit that is arranged in insulation shell with the shortest distance or length, therefore there is the possibility of the mechanical strength that reduces insulation shell.In addition, when need to make conductive component from vacuum valve horizontal-extending for making conductive component pass two gaps between Insulating frame, and in the time of need to making conductive component be connected in to be arranged in the upper position of vacuum valve and the main circuit of lower position, wherein three insulation shells flatly (or flat ground) arrange for receiving the flat layout of threephase cable the distance between insulation shell adjacent one another are increased, so conductive component all inevitably has the length of increase.
In addition, Insulating frame has in the structure of respective cut in movable electrode bar side and fixed electrode bar side therein, there is the possibility that therefore reduces the mechanical strength of framework, and because notch shape is formed in limited part place, existence can not obtain level and smooth gaseous exchange, therefore can not obtain the possibility of sufficient cooling effect.
In addition, in the structure of patent documentation 2, mold frame is by the integrally moulded Individual Items of insulating material, therefore for the work of vacuum valve being fixed on to given position therein the whole structure of vacuum valve be all arranged under the state of mold frame and carry out, therefore there is the possibility that reduces assembling easness.In addition, at mold frame, put in the situation of large-capacity vacuum circuit breaker, must consider the reinforcing of mold frame.
Prior art document
Patent documentation
Patent documentation 1:WO2009/125467
Patent documentation 2: Japanese Patent Application Laid-Open 2008-277139
Summary of the invention
Below, according to the present invention, providing a kind of vacuum circuit-breaker, described vacuum circuit-breaker comprises: case, described case is filled with insulating gas hermetically, vacuum valve, described vacuum valve is flatly arranged in case, and has the movable terminal that is connected in movable type conductive component and the fixed terminal that is connected in fixed conductive component, and insulation shell, described vacuum valve is installed in described insulation shell, described insulation shell comprises two Insulating frames, described two Insulating frames are to have roughly the second Insulating frame of the first Insulating frame of C tee section and the shape symmetry of shape and the first Insulating frame, described two Insulating frames are arranged so that roughly the opening of C tee section faces with each other and provide gap between two Insulating frames, it is characterized in that: described two Insulating frames are provided with cut out portion for movable type conductive component and fixed conductive component are passed from described cut out portion the upper rim of C tee section roughly and lower edge portion/mono-or both places, described two Insulating frames are provided with: rib is installed, for movable type conductive component being mechanically fastened to installation rib by means of bolt, installation end surface, for being mechanically fastened at installation end surface by means of bolt by fixed conductive component, and case mounting portion, for Insulating frame being fixed on to described case by means of bolt.
Another feature is that described two Insulating frames are roughly being formed with reinforcing rib on the upper part of C tee section and the whole periphery of end portion.
Also a feature is that described two Insulating frames are roughly formed with through hole in the pars intermedia office of C tee section at it.
Accompanying drawing explanation
Fig. 1 is the cutaway view that vacuum circuit-breaker of the present invention is shown and the gas-insulated switchgear device of described circuit breaker is wherein installed.
Fig. 2 is the enlarged drawing that is wherein provided with the part of vacuum circuit-breaker.
Fig. 3 is the perspective schematic view of vacuum circuit-breaker of the present invention.
Fig. 4 is the cutaway view along the line A-A intercepting of Fig. 2, shows the insulation shell that dissects and by means of the vacuum valve of imaginary circle.
Fig. 5 is along the cutaway view of the line B-B intercepting of Fig. 2, shows the insulation shell dissecing and the insulating bar representing by means of imaginary circle.
Fig. 6 is the end view of the Insulating frame that uses in the present invention.
Fig. 7 is the cutaway view of the Insulating frame that uses in the present invention.
Fig. 8 is the end view of conventional vacuum circuit-breaker.
Fig. 9 is the perspective view of the Insulating frame that uses in the circuit breaker of Fig. 8.
Figure 10 is the perspective view of another embodiment that the Insulating frame of Fig. 9 is shown.
Embodiment
Introduce below with reference to the accompanying drawings the gas-insulated switchgear device of vacuum circuit-breaker of the present invention and the described circuit breaker of use.Figure 1 illustrates the gas-insulated switchgear device 30 with case 31, described case is divided into bus chamber 33 and apparatus cavity 34, is filled with to each cavity seal insulating gas.
Below in conjunction with the introduction of energising route, be arranged on the structure of the main circuit in case 31.In bus chamber 33, the electric current applying from bus conductive component 35 flows to by conductive component 36 the fixed contact 37a that earthing mechanism is installed decoupler 37.In addition, blade 37b and the spacer top conductive component 38 of from the electric current of fixed contact 37a, by earthing mechanism, decoupler 37 (showing in the drawings the "off" state of current flowing) being installed flow to spacer conductive component 41, and described spacer conductive component is through three-phase spacer 39.
In apparatus cavity 34, from the electric current of spacer conductive component 41, flow to conductor 42, and flow to vacuum valve 46 by the movable type conductive component 44 of vacuum circuit-breaker 43.Then, electric current flows to cable socket 50 by fixed conductive component 48 and current transformer 49.The both side surface of vacuum valve 46 (this both side surface is extended along the depth direction of accompanying drawing) is covered by two that introduce below, identical shaped Insulating frames 52.In order easily to explain described structure, omitted the diagram of in Insulating frame 52 (that is, in the accompanying drawings the Insulating frame of this side).
To introduce as the structure of the vacuum circuit-breaker 43 of necessary element of the present invention below.In Fig. 2, the vacuum valve 46 that is used as the parts that open circuit of vacuum circuit-breaker 43 has fixed and the movable type electrode (not shown) that can contact therein.The movable type lead-in wire 45 that is connected in movable type electrode is mechanically connected to drive unit (not shown) by insulating bar 56 and bellows 64.
Go between 45 mechanical connections and be electrically connected on movable type conductive component 44 of movable type, described movable type conductive component has slidably contact therein.Movable type conductive component 44 is connected in the installation rib 55 of the Insulating frame 52 of introducing below by bolt 57.Insulating frame 52 is provided with case mounting portion 59, and case flange 31a is fixed on by bolt 60 in described case mounting portion.
Meanwhile, fixed conductive component 48 is by bolt 63 mechanical connections and be electrically connected on fixed and go between, and described fixed lead-in wire is connected in fixed electrode (not shown).Fixed conductive component 48 is connected in the installation end surface 61 of Insulating frame 52 by bolt 62.
As shown in Figure 5, vacuum valve 46 is arranged in insulation shell 51, and described insulation shell comprises two Insulating frames 52, and these two Insulating frames have roughly C tee section and the shape being mutually symmetrical.It should be known that roughly C tee section is by the top part 52a of Insulating frame 52, the cross section that the bottom part 52c of the mid portion 52b of Insulating frame, Insulating frame and the reinforcing rib 52d of Insulating frame limit.As seen from Figure 3, two Insulating frames 52 are arranged to the roughly opening of C tee section and face with each other and provide gap between two Insulating frames.In other words, described structure is made for the side surface of vacuum valve 46 is covered by a pair of Insulating frame 52, and the shape providing when a unit is divided into two parts is equably provided this pair of Insulating frame 52.Insulating frame 52 is such as consisting of epoxy resin etc.
The detailed structure of Insulating frame 52 will be introduced below.The shape of two Insulating frames 52 is symmetrical.Because their essential structure is identical, so explanation below will relate to the structure of one of Insulating frame.
As seen from Figure 4, between the inner surface of each in Insulating frame 52 and the outer surface of vacuum valve 46, be limited with space, in described space, produce the convective flow of insulating gas.The cross sectional shape of top part 52a and bottom part 52c is bowed shape, and in order to promote the convective flow of insulating gas between Insulating frame 52 and vacuum valve 46, there is the roughly mid portion 52b of each Insulating frame of C tee section and be formed with throughhole portions 65.
In an embodiment of the present invention, mid portion 52b is shaped as straight extension.By this straight extension, level or flat layout can reduce the relative distance between them for receiving three insulation shells of threephase cable.But, the shape of the shape of mid portion 52b shown in being not limited to.That is,, if needed, the cross sectional shape of mid portion 52b can be bowed shape.
From Fig. 3 and Fig. 5, be arranged at the part 52c that has the part 52a at the part place, top of the Insulating frame of C tee section roughly and be arranged at the part place, bottom of described Insulating frame and be respectively arranged with cut out portion 53, movable type conductive component 44 is through described cut out portion.In addition,, in described embodiment, movable type conductive component 44 is connected in main circuit by the cut out portion 53 being arranged in the part 52a of top.By making to have the roughly bottom part 52c of the Insulating frame 52 of C tee section, be also provided with cut out portion 53, when assembling is processed and introduce in the back, when movable type conductive component 44 being fixed on to the steady job that rib 55 is installed by bolt 57, can easily carry out the position adjustments of insulating bar 56, bellows 64 and movable type lead-in wire 45.
The part 52c that is arranged at the lower end of Insulating frame 52 is formed with cut out portion 54, and described cut out portion is passed for fixed conductive component 48.The whole reinforcing rib 52d that is formed with of the part 52a with cut out portion, 52c of Insulating frame 52.
From Fig. 5-7, each Insulating frame 52 is formed with installs rib 55, to make movable type conductive component 44 be mechanically connected to Insulating frame 52.In addition, from Fig. 3, Fig. 6 and Fig. 7, each Insulating frame is formed with: installation end surface 61, to make fixed conductive component 48 be mechanically connected to Insulating frame 52; And case mounting portion 59, to make Insulating frame 52 be mechanically connected to case flange 31a.By this structure, each Insulating frame 52 is connected in movable type conductive component 44, fixed conductive component 48 and case flange 31a integratedly at its three part places.In order to make movable type conductive component 44 and fixed conductive component 48 all be firmly attached to each Insulating frame 52, conductive component 44 and 48 must be manufactured by the electric conductor with rigidity, in an embodiment of the present invention, conductive component 44 and 48 is manufactured by tabular electric conductor.
By introducing for vacuum valve 46 being arranged on to the assembling of insulation shell 11 (as seen from Figure 3), process below.First, a selected left side from vacuum valve 46 and the either side right side in two Insulating frames 52 are mounted to preassembled movable type conductive component 44, fixed conductive component 48 and vacuum valve 46 with fit system, make the installation end surface 61 of chosen Insulating frame 52 contact with fixed conductive component 48 simultaneously.Then, the installation end surface of fixed conductive component 48 and chosen Insulating frame 52 is connected by two bolts 62, these two bolts screw from the outside of Insulating frame 52.
Meanwhile, from Fig. 2 and Fig. 5, chosen Insulating frame 52 is connected by two bolts 57 with movable type conductive component 44, and these two bolts are along fastened to the direction of movable type conductive component 44 from rib 55 is installed.In this case, it is open that one of side surface of vacuum valve 46 keeps, and therefore by the fastening of bolt 57, easily carries out.
With similar above, another (or non-selected) Insulating frame 52 is installed on above-mentioned two parts and vacuum valve from left side and the opposite side right side of vacuum valve 46, makes described another Insulating frame 52 contact with fixed conductive component 48 simultaneously.Then, fixed conductive component 48 is connected from the outside of described another Insulating frame 52 by two bolts 62 with installation end surface 61.By this fixedly processing, as seen from Figure 3, vacuum valve 46 is covered by the insulation shell 51 that comprises two Insulating frames 52.
From Fig. 3 and Fig. 5, due to the cut out portion 53 being provided by Insulating frame 52 being provided, can be by means of bolt 57 by suitable tools being inserted to cut out portion 53 and being utilized described instrument fastening bolt 57 to realize firm connection the between the installation rib 55 of movable type conductive component 44 and described another Insulating frame 52.In this case, be arranged near the space case mounting portion 59 of Insulating frame 52 and by case flange 31a as shown in Figure 2, do not closed, therefore described space open.Therefore, movable type conductive component 44 can be connected from case mounting portion 59 1 sides of Insulating frame 52 by bolt 57 with installation rib 55.
Once fixed conductive component 44 has been connected with installation rib 55, case flange 31a is fixed on by four bolts 60 in the case mounting portion 59 of two Insulating frames 52, as seen from Figure 2.
By carrying out above-mentioned assembling processing, the mounting surface 61 of a fixed conductive component 48 and two Insulating frames 52 is connected by four bolts 62, as seen from Figure 3.In addition, as seen from Figure 5, the installation rib 55 of a movable type conductive component 44 and two Insulating frames 52 is connected by four bolts 57.In addition, as seen from Figure 2, the case mounting portion 59 of case flange 31a and two Insulating frames 52 is connected by four bolts 60.
As mentioned above, each in Insulating frame is connected in movable type conductive component 44, fixed conductive component 48 and case flange 31a integratedly at its three part places, has therefore increased the mechanical strength of Insulating frame 52.
As mentioned above, vacuum circuit-breaker of the present invention has such structure, the vacuum valve 46 of horizontal arrangement is covered from left and right both direction by two Insulating frames, and the shape of these two Insulating frames is mutually symmetrical, and the shape providing when a unit is divided into two parts is equably provided; And make at the top of vacuum valve 46 part and part place, bottom and define space between the inner surface of Insulating frame 52 and the outer surface of vacuum valve 46.Therefore, even below any thermal source is arranged in vacuum valve 46 or movable type conductive component 44, in the situation of the impact that fixed conductive component 48, vacuum valve 46 and other associated components are generated heat, upwards flowing and cause free convection of the insulating gas inevitably occurring in two Insulating frames 52, therefore improves cooling performance.
Because part 52a and end portion 52c place have cut out portion 53 and 54 in the top respectively to have each Insulating frame 52 of C tee section roughly, therefore movable type conductive component 44 and fixed conductive component 48 can be wired to the shortest length main circuit, and described main circuit is arranged in upper position and the lower position of vacuum valve 46.In addition, each Insulating frame 52 is provided with: rib 55 is installed, and described installation rib is mechanically connected to movable type conductive component 44; Installation end surface 61, fixed conductive component 48 is fixed on described installation end surface; And case mounting portion 59, described case mounting portion is used for making Insulating frame 52 to be mechanically connected to case 31; And conductive component and case are connected in Insulating frame integratedly, thereby although Insulating frame has cut out portion, Insulating frame also can keep its mechanical strength.
In addition, because two Insulating frames 52 are arranged on preassembled movable type conductive component 44, fixed conductive component 48 and vacuum valve 46 from right side and the left side of vacuum valve 46 in assembling mode, therefore easily carry out the adjusting of the installation site of each several part, therefore improved assembling capacity.
In addition,, because part 52a each Insulating frame 52, that have cut out portion 53 and 54 and 52c be the whole reinforcing rib 52d that is provided with, therefore further improved the mechanical strength of Insulating frame 52.
In addition, because there is the roughly Insulating frame of C tee section, at mid portion 52b place, be formed with throughhole portions 65, therefore around Insulating frame 52, be very easy to produce the convective flow of insulating gas, thereby further improved cooling performance.
As mentioned above, vacuum circuit-breaker of the present invention can be realized the improvement of the improvement of cooling performance, the improvement of assembling capacity and mechanical strength simultaneously.
The explanation of Reference numeral
43 vacuum circuit-breakers
44 movable type conductive components
46 vacuum valves
48 fixed conductive components
51 insulation shells
52 Insulating frames
53,54 cut out portion
55 install rib
59 casees mounting portions
61 installation end surfaces
Claims (according to the modification of the 19th of treaty)
1. a vacuum circuit-breaker, comprising: case, and described case is filled with insulating gas hermetically; Vacuum valve, described vacuum valve is flatly arranged in described case, and has the movable terminal that is connected in movable type conductive component and the fixed terminal that is connected in fixed conductive component; And insulation shell, described vacuum valve is installed in described insulation shell, described insulation shell comprises two Insulating frames, described two Insulating frames are to have roughly the second Insulating frame of the first Insulating frame of C tee section and the shape symmetry of shape and described the first Insulating frame, described two Insulating frames are arranged so that roughly the opening of C tee section faces with each other and provide gap between two Insulating frames
It is characterized in that:
Described two Insulating frames are provided with cut out portion for described movable type conductive component and described fixed conductive component are passed from described cut out portion the upper rim of C tee section roughly and lower edge portion/mono-or both places,
Described two Insulating frames are provided with:
Rib is installed, for described movable type conductive component being mechanically fastened to described installation rib by means of bolt;
Installation end surface, for being mechanically fastened at described installation end surface by means of bolt by described fixed conductive component; And
Case mounting portion, for being fixed on described case by means of bolt by Insulating frame; And
Described conductive component, described case and described two Insulating frames are arranged to be integrally formed structure.
2. vacuum circuit-breaker according to claim 1, is further characterized in that: described two Insulating frames are roughly being formed with reinforcing rib on the upper part of C tee section and the whole periphery of end portion.
3. vacuum circuit-breaker according to claim 1 and 2, is further characterized in that: described two Insulating frames are roughly formed with through hole in the pars intermedia office of C tee section at it.

Claims (3)

1. a vacuum circuit-breaker, comprising: case, and described case is filled with insulating gas hermetically; Vacuum valve, described vacuum valve is flatly arranged in described case, and has the movable terminal that is connected in movable type conductive component and the fixed terminal that is connected in fixed conductive component; And insulation shell, described vacuum valve is installed in described insulation shell, described insulation shell comprises two Insulating frames, described two Insulating frames are to have roughly the second Insulating frame of the first Insulating frame of C tee section and the shape symmetry of shape and described the first Insulating frame, described two Insulating frames are arranged so that roughly the opening of C tee section faces with each other and provide gap between two Insulating frames
It is characterized in that:
Described two Insulating frames are provided with cut out portion for described movable type conductive component and described fixed conductive component are passed from described cut out portion the upper rim of C tee section roughly and lower edge portion/mono-or both places,
Described two Insulating frames are provided with:
Rib is installed, for described movable type conductive component being mechanically fastened to described installation rib by means of bolt;
Installation end surface, for being mechanically fastened at described installation end surface by means of bolt by described fixed conductive component; And
Case mounting portion, for being fixed on described case by means of bolt by Insulating frame.
2. vacuum circuit-breaker according to claim 1, is further characterized in that: described two Insulating frames are roughly being formed with reinforcing rib on the upper part of C tee section and the whole periphery of end portion.
3. vacuum circuit-breaker according to claim 1 and 2, is further characterized in that: described two Insulating frames are roughly formed with through hole in the pars intermedia office of C tee section at it.
CN201280063205.3A 2011-12-22 2012-12-12 Vacuum circuit breaker Active CN104011822B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011-281223 2011-12-22
JP2011281223A JP6094028B2 (en) 2011-12-22 2011-12-22 Vacuum circuit breaker
PCT/JP2012/082204 WO2013094493A1 (en) 2011-12-22 2012-12-12 Vacuum circuit breaker

Publications (2)

Publication Number Publication Date
CN104011822A true CN104011822A (en) 2014-08-27
CN104011822B CN104011822B (en) 2017-05-24

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Application Number Title Priority Date Filing Date
CN201280063205.3A Active CN104011822B (en) 2011-12-22 2012-12-12 Vacuum circuit breaker

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JP (1) JP6094028B2 (en)
CN (1) CN104011822B (en)
MY (1) MY180437A (en)
WO (1) WO2013094493A1 (en)

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CN107710535A (en) * 2015-06-24 2018-02-16 三菱电机株式会社 Isolating device and the gas-insulated switchgear device using the isolating device

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CN107615435B (en) 2015-06-05 2019-03-15 三菱电机株式会社 Vacuum circuit breaker
CN111837304B (en) * 2018-03-14 2021-12-31 三菱电机株式会社 Gas insulated switchgear
KR102159960B1 (en) 2019-02-22 2020-09-25 엘에스일렉트릭(주) Pole part and circuit breaker having the same
DE102021203401A1 (en) 2021-04-07 2022-10-13 Siemens Aktiengesellschaft Pole shell and pole shell assembly

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JP2002231112A (en) * 2001-02-06 2002-08-16 Nissin Electric Co Ltd Circuit breaker unit, and insulating support frame for it
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JP2008277139A (en) * 2007-04-27 2008-11-13 Mitsubishi Electric Corp Mold frame of circuit breaker
CN101981645A (en) * 2008-04-07 2011-02-23 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
CN1354538A (en) * 2000-11-20 2002-06-19 三菱电机株式会社 Gas insulating switching device
JP2002231112A (en) * 2001-02-06 2002-08-16 Nissin Electric Co Ltd Circuit breaker unit, and insulating support frame for it
CN100397737C (en) * 2004-03-12 2008-06-25 三菱电机株式会社 Gas insulation switch device
JP2008277139A (en) * 2007-04-27 2008-11-13 Mitsubishi Electric Corp Mold frame of circuit breaker
CN101981645A (en) * 2008-04-07 2011-02-23 三菱电机株式会社 Vacuum breaker and gas insulated switchgear using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107710535A (en) * 2015-06-24 2018-02-16 三菱电机株式会社 Isolating device and the gas-insulated switchgear device using the isolating device

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Publication number Publication date
CN104011822B (en) 2017-05-24
MY180437A (en) 2020-11-28
JP6094028B2 (en) 2017-03-15
WO2013094493A1 (en) 2013-06-27
JP2013131440A (en) 2013-07-04

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