CN101378179A - Draw-out type circuit breaker, and terminal device and phase insulating board thereof - Google Patents
Draw-out type circuit breaker, and terminal device and phase insulating board thereof Download PDFInfo
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- CN101378179A CN101378179A CNA2007101990808A CN200710199080A CN101378179A CN 101378179 A CN101378179 A CN 101378179A CN A2007101990808 A CNA2007101990808 A CN A2007101990808A CN 200710199080 A CN200710199080 A CN 200710199080A CN 101378179 A CN101378179 A CN 101378179A
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Abstract
The present invention relates to a draw-out type circuit breaker, which can be non-obstructively housed in the frame body even if a splitter plate is provided in the frame body of an enclosed switch board and the like. In the draw-out type circuit breaker, a inter-phase insulating plate is installed on a terminal device, which has a first insulating plate section, configured between phases of a plurality of input side terminal; a second insulating plate section, configured between phases of a plurality of output side terminal; a disjunction section, provided between the first insulating plate section and the second insulating plate section; and a vulnerable section, respectively provided between the first insulating plate section and the disjunction section, and between the second insulating plate section and the disjunction section, wherein, the vulnerable section can disconnect the disjunction section from the first insulating plate section and the second insulating plate section.
Description
Technical field
The present invention relates to be housed in draw-out type circuit breaker in the framework of enclosed switch board etc. with pulling out, be installed in the arrangements of terminal on the draw-out type circuit breaker and be installed in phase insulating board on this arrangements of terminal.
Background technology
The arrangements of terminal of existing draw-out type circuit breaker has the terminal board that the insulation article shaped is made, and it is fixed on 1 across corner that is arranged between 1 pair of side plate.On this terminal board, the upside above being disposed at is provided with R phase input side terminal, S phase input side terminal and T phase input side terminal usually, at its downside R phase outlet side terminal, S phase outlet side terminal and T phase outlet side terminal is installed.
In addition, on terminal board, between the outlet side terminal of the input side terminal of R phase and outlet side terminal and S phase and input side terminal, form the groove of above-below direction, similarly, between the input side terminal of the input side terminal of S phase and outlet side terminal and T phase and outlet side terminal, form the groove of above-below direction, in each groove, embed phase insulating board so that R mutually with S terminal mutually between and S mutually with T terminal mutually between insulation (for example, with reference to patent documentation 1).In addition, accommodate the enclosed switch board of draw-out type circuit breaker, be divided into bus-bar room, cable vault, accommodate the pull-out type canyon (for example, with reference to patent documentation 2) of draw-out type breaker by demarcation strip.
No. 3853064 communique of patent documentation 1 patent
Summary of the invention
There is following problems in the arrangements of terminal of existing draw-out type circuit breaker as constituted above, promptly, in the time of in the framework that draw-out type circuit breaker is housed in enclosed switch board, the phase insulating board that is arranged on the arrangements of terminal of draw-out type circuit breaker can contact with the demarcation strip of enclosed switch board, and generation can't be housed in draw-out type circuit breaker the situation in the framework.
The present invention obtains a kind of draw-out type circuit breaker in order to solve this problem in existing apparatus, to its objective is, even it is provided with demarcation strip in the framework of enclosed switch board etc., also can be housed in the framework without barrier.
And, the objective of the invention is to obtain a kind of arrangements of terminal, even it is provided with demarcation strip in the framework of enclosed switch board etc., also draw-out type circuit breaker can be housed in the framework without barrier.
In addition, the objective of the invention is to obtain a kind of phase insulating board, it is installed on the arrangements of terminal of draw-out type circuit breaker, even in the framework of enclosed switch board etc. demarcation strip is set, also can without barrier draw-out type circuit breaker be housed in this framework.
The draw-out type circuit breaker that the present invention relates to, it has: the draw-out type circuit breaker main body, it can be housed in the framework of distribution board etc. with pulling out, is connected with bonding conductor in being arranged on described framework, and the circuit that comprises described bonding conductor is opened and closed; Arrangements of terminal, it is installed on the described draw-out type circuit breaker main body; And phase insulating board, it is installed on the described arrangements of terminal, it is characterized in that, and described arrangements of terminal has: a plurality of input side terminals, its input side with described draw-out type circuit breaker main body is connected; A plurality of outlet side terminals, its outlet side with described draw-out type circuit breaker main body is connected; And terminal board, it makes described a plurality of input side terminal and described a plurality of outlet side terminals by every corresponding and arrange, and described phase insulating board has: the 1st insulating plate section, it is arranged on the alternate of described a plurality of input side terminals; The 2nd insulating plate section, it is arranged on the alternate of described a plurality of outlet side terminals; Segmenting part, it is arranged between described the 1st insulating plate section and described the 2nd insulating plate section; And frangible portion, it is separately positioned between described the 1st insulating plate section and the described segmenting part, reaches between described the 2nd insulating plate section and the described segmenting part, described segmenting part constitutes, can utilize described frangible portion to separate with described the 2nd insulating plate section from described the 1st insulating plate section, described terminal board has: the 1st holding section, and it removably engages described the 1st insulating plate section; And the 2nd holding section, it removably engages described the 2nd insulating plate section.
And, the arrangements of terminal of the draw-out type circuit breaker that the present invention relates to, it is installed on the draw-out type circuit breaker main body in the framework that can be contained in distribution board etc. with pulling out, it is characterized in that, have: a plurality of input side terminals, its input side with described draw-out type circuit breaker main body is connected; A plurality of outlet side terminals, its outlet side with described draw-out type circuit breaker main body is connected; And terminal board, it makes described a plurality of input side terminal and described a plurality of outlet side terminals by every corresponding and arrange, and described terminal board has: the 1st holding section, it removably engages the 1st alternate insulating plate section that is arranged on described a plurality of input side terminals; The 2nd holding section, it removably engages the 2nd alternate insulating plate section that is arranged on described a plurality of outlet side terminals; And the demarcation strip holding section, it can engage with demarcation strip, and this demarcation strip inserts between described input side terminal and the described outlet side terminal, to separating between described input side terminal and the described outlet side terminal.
In addition, the phase insulating board of the arrangements of terminal that the present invention relates to, it is installed on the arrangements of terminal of the draw-out type circuit breaker in the framework that can be housed in distribution board etc. with pulling out, it is characterized in that, have: the 1st insulating plate section, it is arranged on a plurality of input side terminals alternate of described arrangements of terminal; The 2nd insulating plate section, it is arranged on a plurality of outlet side terminals alternate of described arrangements of terminal; Segmenting part, it is arranged between described the 1st insulating plate section and described the 2nd insulating plate section; Frangible portion, it is separately positioned between described the 1st insulating plate section and the described segmenting part, reaches between described the 2nd insulating plate section and the described segmenting part, described segmenting part constitutes, and can utilize described frangible portion to separate with described the 2nd insulating plate section from described the 1st insulating plate section.
The effect of invention
According to draw-out type circuit breaker of the present invention, because arrangements of terminal has: a plurality of input side terminals, its input side with described draw-out type circuit breaker main body is connected; A plurality of outlet side terminals, its outlet side with described draw-out type circuit breaker main body is connected; And terminal board, it makes described a plurality of input side terminal and described a plurality of outlet side terminals by every corresponding and arrange, and described phase insulating board has: the 1st insulating plate section, it is arranged on the alternate of described a plurality of input side terminals; The 2nd insulating plate section, it is arranged on the alternate of described a plurality of outlet side terminals; Segmenting part, it is arranged between described the 1st insulating plate section and described the 2nd insulating plate section; And frangible portion, it is separately positioned between described the 1st insulating plate section and the described segmenting part, reaches between described the 2nd insulating plate section and the described segmenting part, described segmenting part constitutes, can utilize described frangible portion to separate with described the 2nd insulating plate section with described the 1st insulating plate section, described terminal board has: the 1st holding section, and it removably engages described the 1st insulating plate section; And the 2nd holding section, it removably engages described the 2nd insulating plate section, therefore, even in the framework of enclosed switch board etc., demarcation strip is set, also can utilize frangible portion that segmenting part is separated with the 2nd insulating plate section with the 1st insulating plate section, not block and be housed in the framework without barrier thereby be not separated plate.
And, according to the arrangements of terminal of draw-out type circuit breaker of the present invention, because it has: a plurality of input side terminals, its input side with described draw-out type circuit breaker main body is connected; A plurality of outlet side terminals, its outlet side with described draw-out type circuit breaker main body is connected; And terminal board, it makes described a plurality of input side terminal and described a plurality of outlet side terminals by every corresponding and arrange, and described terminal board has: the 1st holding section, it removably engages the 1st alternate insulating plate section that is arranged on described a plurality of input side terminals; The 2nd holding section, it removably engages the 2nd alternate insulating plate section that is arranged on described a plurality of outlet side terminals; And demarcation strip holding section, it can engage with demarcation strip, this demarcation strip inserts between described input side terminal and the described outlet side terminal, to separating between described input side terminal and the described outlet side terminal, therefore, even in the framework of enclosed switch board etc., demarcation strip is set, also can be by installing by the 1st insulating plate section of disjunction and the 2nd insulating plate section, not being separated plate blocks and without barrier draw-out type circuit breaker is housed in the framework, and, by demarcation strip is engaged with the demarcation strip holding section, can engage demarcation strip reliably.
In addition, according to the phase insulating board of arrangements of terminal of the present invention, because it has: the 1st insulating plate section, it is arranged on a plurality of input side terminals alternate of described arrangements of terminal; The 2nd insulating plate section, it is arranged on a plurality of outlet side terminals alternate of described arrangements of terminal; Segmenting part, it is arranged between described the 1st insulating plate section and described the 2nd insulating plate section; Frangible portion, it is separately positioned between described the 1st insulating plate section and the described segmenting part, reaches between described the 2nd insulating plate section and the described segmenting part, described segmenting part constitutes, can utilize described frangible portion to separate with described the 2nd insulating plate section with described the 1st insulating plate section, therefore, even in the framework of enclosed switch board etc., demarcation strip is set, also can utilize frangible portion that the 1st insulating plate section is separated with the 2nd insulating plate section, draw-out type circuit breaker is not housed in the framework without barrier with blocking thereby be not separated plate.
Description of drawings
Fig. 1 is the stereogram at the back side of the draw-out type circuit breaker that relates to of expression embodiments of the present invention 1.
Fig. 2 is the stereogram of the phase insulating board that relates to from unilateral observation embodiments of the present invention 1 of expression.
To be expression observe the stereogram of the phase insulating board that embodiments of the present invention 1 relate to from opposite side to Fig. 3.
Fig. 4 is illustrated in the key diagram that the state before the phase insulating board is installed on the arrangements of terminal that embodiments of the present invention 1 relate to.
Fig. 5 is illustrated in the key diagram that the state of phase insulating board has been installed on the arrangements of terminal that embodiments of the present invention 1 relate to.Be to want portion's enlarged drawing after the phase insulating board of Fig. 1 is installed.
Fig. 6 is the stereogram that draw-out type circuit breaker that expression relates to embodiments of the present invention 1 is housed in the major part in the framework of enclosed switch board.
Fig. 7 is illustrated in the key diagram that divides before the phase insulating board of having no progeny is installed on the arrangements of terminal that embodiments of the present invention 1 relate to.
Fig. 8 is illustrated in the key diagram that divides the phase insulating board of having no progeny has been installed on the arrangements of terminal that embodiments of the present invention 1 relate to.
Fig. 9 is the stereogram of expression demarcation strip holding section.
Embodiment
The following draw-out type circuit breaker that embodiments of the present invention 1 is related to reference to accompanying drawing, be installed in the arrangements of terminal on this draw-out type circuit breaker and the phase insulating board that is installed on this arrangements of terminal describes.
Fig. 1 is the stereogram at the back side of the draw-out type circuit breaker that relates to of expression embodiments of the present invention 1, Fig. 2 is the stereogram of the phase insulating board that relates to from unilateral observation embodiments of the present invention 1 of expression, Fig. 3 is this phase insulating board is observed in expression from opposite side a stereogram, Fig. 4 is illustrated in the key diagram that the state before the phase insulating board is installed on the arrangements of terminal that embodiments of the present invention 1 relate to, Fig. 5 is illustrated in the key diagram that the state of phase insulating board has been installed on the arrangements of terminal that embodiments of the present invention 1 relate to, Fig. 6 is that draw-out type circuit breaker that expression relates to embodiments of the present invention 1 is housed in and wants portion's stereogram in the framework of enclosed switch board, Fig. 7 is illustrated in the key diagram that divides the state before the phase insulating board of having no progeny is installed on the arrangements of terminal that embodiments of the present invention 1 relate to, Fig. 8 is illustrated in the key diagram that divides the state of the phase insulating board of having no progeny has been installed on the arrangements of terminal that embodiments of the present invention 1 relate to, and Fig. 9 is the stereogram of expression demarcation strip holding section.
In Fig. 1 to Fig. 9, draw-out type circuit breaker 100 has draw-out type circuit breaker main body 110, can be housed in the framework (not shown) of enclosed switch board with pulling out.At the inside of draw-out type circuit breaker main body 110 mounting terminal device 1.And draw-out type circuit breaker main body 110 has fixed contact and travelling contact as everyone knows, by the operating grip of operation setting, travelling contact is broken away from from fixed contact, thereby cut off circuit in face side, by travelling contact is contacted with fixed contact, thus closed circuit.In addition, it constitutes, and when flowing through overcurrent in circuit, by tripping mechanism travelling contact is broken away from automatically from fixed contact, thereby cuts off circuit.
Arrangements of terminal 1 has the terminal board 2 that insulant is made, and its stuck-at-is between the side plate 101,102, and this side plate 101,102 is fixed on the both sides of draw-out type circuit breaker main body 110.Fixedly R phase input side terminal 3, S phase input side terminal 4, T phase input side terminal 5 and R phase outlet side terminal 6, S phase outlet side terminal 7, T phase outlet side terminal 8 on terminal board 2.
Draw-out type circuit breaker 100 is usually with as shown in Figure 1 upper-lower position relation, be housed in the framework of enclosed switch board, upside at terminal board 2, be arranged with R phase input side terminal 3, S phase input side terminal 4, reach T phase input side terminal 5, at the downside of terminal board 2, be arranged with R phase outlet side terminal 6, S phase outlet side terminal 7, reach T phase outlet side terminal 8.Thereby, R phase input side terminal 3 and R outlet side terminal correspondence arrangement about in the of 6 mutually, S phase input side terminal 4 and S outlet side terminal corresponding arrangement about in the of 7 mutually, T phase input side terminal 5 and T outlet side terminal corresponding arrangement about in the of 8 mutually.
R phase input side terminal 3, S phase input side terminal 4, and T phase input side terminal 5, removably be connected on the input terminal (not shown) of draw-out type circuit breaker main body 110 with screw etc. respectively, R phase outlet side terminal 6, S phase outlet side terminal 7, and T phase outlet side terminal 8 removably are connected on the lead-out terminal (not shown) of draw-out type circuit breaker main body 110 with screw etc. respectively.When draw-out type circuit breaker 100 is housed in the framework of enclosed switch board, R phase input side terminal 3, S phase input side terminal 4, and T phase input side terminal 5, be connected with the bonding conductor (not shown) of mains side in the framework that is arranged on enclosed switch board respectively, R phase outlet side terminal 6, S phase outlet side terminal 7, and T phase outlet side terminal 8 are connected with the bonding conductor (not shown) of load-side in the framework that is arranged on enclosed switch board respectively.
The both ends of the length direction of the 1st insulation board insertion groove 21 and the 2nd insulation board insertion groove 22, i.e. upper end among Fig. 1 and lower end, opening respectively.And, on the inwall of the relative both sides in the 1st insulation board insertion groove 21 and the 2nd insulation board insertion groove 22 upper end separately, form along outstanding 1 couple the 1st lug boss 2a of well width direction separately.
In addition, on the inwall of the relative both sides in the 1st insulation board insertion groove 21 and the 2nd insulation board insertion groove 22 lower end separately, form along outstanding 1 couple the 2nd lug boss 2b of well width direction separately.And, on the inwall of the relative both sides of the substantial middle part of the length direction of the 1st insulation board insertion groove 21 and the 2nd insulation board insertion groove 22, form respectively along outstanding 1 couple the 3rd lug boss 2c of well width direction separately.
In addition, in Fig. 4, only illustrate the inwall of 1 side of the 1st insulation board insertion groove 21, but the inwall of opposite side also is the same, the 2nd insulation board insertion groove 22 also similarly forms with the 1st insulation board insertion groove 21 in addition.The 1st lug boss 2a and the 3rd lug boss 2c constitute the 1st holding section that engages with the 1st following insulating plate section, and the 2nd lug boss 2b and the 3rd lug boss 2c constitute the 2nd holding section that engages with following the 2nd insulating plate section.
And,, 4 demarcation strip holding sections 11 that engage with the following demarcation strip that is provided with are set in the framework of enclosed switch board on the surface of terminal board 2.Between the R phase outlet side terminal 6 of the input side terminal 5 of the input side terminal 3 of R phase up, the input side terminal 4 of S phase, T phase and below, S phase outlet side terminal 7, the T phase outlet side terminal 8, arrange with general horizontal direction these demarcation strip holding sections 11.
Demarcation strip holding section 11 has the 1st little location notch 11a of well width and the 2nd big location notch 11b of well width as shown in Figure 9, and the 1st location notch 11a is formed on the central portion of the bottom of the 2nd location notch 11b.The 2nd location notch 11b uses under the big situation of the thickness of slab of the demarcation strip 10 in being arranged at the framework of enclosed switch board (with reference to Fig. 6, Fig. 8), and is chimeric with this demarcation strip 10 and engage.The 1st location notch 11a uses under the less situation of the thickness of slab of demarcation strip 10, and is chimeric with this demarcation strip 10 and engage.Demarcation strip 10 carries out the location with respect to terminal board 2 by engaging with location notch 11a or 11b.
Below the phase insulating board of installing on the terminal board 2 of arrangements of terminal 19 is described.As Fig. 2 and shown in Figure 3, phase insulating board 9 is for example formed by thermoplastic resin, have the 1st insulating plate section 9a, the 2nd insulating plate section 9b and segmenting part 9c, this segmenting part 9c is positioned at the substantial middle portion of phase insulating board 9, links by frangible portion 9d and the 1st insulating plate section 9a and the 2nd insulating plate section 9b.
The groove of V i section forms frangible portion 9d by forming roughly as shown in the figure, cuts off by this frangible portion 9d is bent with hand, thereby segmenting part 9c can be separated with the 2nd insulating plate section 9b with the 1st insulating plate section 9a.Under this situation, phase insulating board 9 is the 1st insulation division 9a and these 2 parts of the 2nd insulation division 9b by disjunction.In addition, though not shown, also can replace the roughly groove of V i section, and constitute frangible portion 9d by a plurality of through holes of continuous setting.
The 1st insulating plate section 9a has end edge portion 9i and the side edge part 9j that forms with big thickness of slab, and side edge part 9j is that thickness of slab is set at the position less than the thickness of slab of end edge portion 9i.On the two sides of the end edge portion 9i of side edge part 9j side, be provided with the 1st fastener 9e that constitutes by 1 pair of raised line, on side edge part 9j and two sides end edge portion 9i opposition side, be provided with the 2nd fastener 9f that constitutes by 1 pair of raised line.The size of the thickness of slab direction of the 1st fastener 9e and the 2nd fastener 9f is identical with the thickness of slab of end edge portion 9i.
The 2nd insulating plate section 9b, has the side edge part 9k that forms with big thickness of slab, on the two sides of the end edge portion 9m of this side edge part 9k side, the 1st fastener 9g that setting is made of 1 pair of raised line, on side edge part 9k and two sides end edge portion 9m opposition side, the 2nd fastener 9h that is made of 1 pair of raised line is set.The size of the thickness of slab direction of the 1st fastener 9g and the 2nd fastener 9h is identical with the thickness of slab of end edge portion 9k.
The segmenting part 9c of phase insulation portion 9 has the side edge part 9n that forms with the thickness of slab identical with side edge part 9j, the 9k of the 1st insulating plate section 9 and the 2nd insulating plate section 9b.
The draw-out type circuit breaker 100 that relates to for the embodiments of the present invention 1 of such formation at first, describes the installation of the phase insulating board 9 under the situation that demarcation strip 10 is not set in the framework of enclosed switch board.
In Fig. 4, phase insulating board 9 is in the state that links the 1st insulating plate section 9a and the 2nd insulating plate section 9b and segmenting part 9c by frangible portion 9d integratedly.Make this phase insulating board 9 with respect to terminal board 2, move, this side edge part 9j, 9k are inserted in the 1st insulation board insertion groove 21 of terminal board 2 from position shown in Figure 4 direction to arrow A.In two wall portions of the 1st insulation board insertion groove 21, form 1 couple the 1st lug boss 2a, the 2nd lug boss 2b, the 3rd lug boss 2c respectively, but because these several intervals to lug boss, form in the big mode of thickness of slab respectively than side edge part 9j, the 9k of phase insulating board 9, therefore the relative position relation of terminal board 2 with the above-below direction of phase insulating board 9 remained under the state of state shown in Figure 4, phase insulating board 9 can insert in the 1st insulation board insertion groove 21.
Then, make phase insulating board 9 after the arrow B direction of Fig. 4 moves, as shown in Figure 5, the 1st fastener 9e of the 1st insulating plate section 9a of phase insulating board 9 and the 2nd fastener 9f, engage with the 1st lug boss 2a and the 2nd lug boss 2c of the 1st insulation board insertion groove 21 of terminal board 2 respectively, simultaneously, the 1st fastener 9g of the 2nd insulating plate section 9b and the 2nd fastener 9h engage with the 2nd lug boss 2b of the 1st insulation board insertion groove 21 of terminal board 2 and the 3rd lug boss 2c respectively and fix.Because the 1st fastener 9e and the 9g that on the 1st insulating plate section 9a and the 2nd insulating plate section 9b, is provided with, raised line separately top in the drawings has bend 9e1,9g1 to the horizontal direction bending, so its bend 9e1,9g1 and the 1st lug boss 2a and the 2nd lug boss 2b butt are fixed in this position.
As mentioned above, phase insulating board 9 is installed on the 1st insulation board insertion groove 21 of terminal board 2.In addition, on the 2nd insulation board insertion groove 22 of terminal board 2, phase insulating board 9 is installed similarly.
As shown in Figure 5,2 phase insulating boards 9 on terminal board 2, installing, respectively with input side terminal 3 and the outlet side terminal 6 and the S input side terminal 4 mutually and the phase insulation of outlet side terminal 7 of R phase, with input side terminal 4 and the outlet side terminal 7 and the T input side terminal 5 mutually and the phase insulation of outlet side terminal 8 of S phase.Under this situation, owing in the framework of enclosed switch board, demarcation strip is not set, therefore can directly accommodate in the framework with this state,, be connected with the bonding conductor of the mains side that in framework, is provided with and the bonding conductor of load-side with input side terminal 3,4,5 and outlet side terminal 6,7,8.
Below, the installation of the phase insulating board 9 under the situation that demarcation strip 10 is set in the framework of enclosed switch board is described.
Under this situation, at first, by the bending phase insulating board 9 the 2 frangible portion 9d of place and with its cut-out, thereby segmenting part 9c is separated with the 2nd insulating plate section 9b with the 1st insulating plate section 9a, disjunction is the 1st insulating plate section 9a and the 2nd insulating plate section 9b.
The 1st insulating plate section 9a and the 2nd insulating plate section 9b that branch is had no progeny move along arrow A direction as shown in Figure 7 respectively, insert in the 1st insulation board insertion groove 21 of terminal board 2.Then, if the 1st insulating plate section 9a and the 2nd insulating plate section 9b are moved to the arrow B direction respectively, then as shown in Figure 8, the 1st fastener 9e of the 1st insulating plate section 9a and the 2nd fastener 9f engage with the 1st lug boss 2a of the 1st insulation board insertion groove 21 of terminal board 2 and the 3rd lug boss 2c respectively and fix.And the 1st fastener 9g of the 2nd insulating plate section 9b and the 2nd fastener 9h engage with the 2nd lug boss 2b of the 1st insulation board insertion groove 21 of terminal board 2 and the 3rd lug boss 2c respectively and fix.
As mentioned above, because the 1st fastener 9e and the 9g that on the 1st insulating plate section 9a and the 2nd insulating plate section 9b, is provided with, raised line separately has bend 9e1, the 9g1 of along continuous straight runs bending on the top of figure, therefore this bend 9e1,9g1 and the 1st lug boss 2a and the 2nd lug boss 2b butt are fixed in this position.
As shown in Figure 8,2 the 1st insulating plate section 9a that on terminal board 2, install, with R phase input side terminal 3 and S input side terminal 4 alternate mutually, and the phase insulation of the input side terminal 4 of S phase and T input side terminal 5 mutually, and, 2 the 2nd insulating plate section 9b, alternate with the outlet side terminal 6 of R phase and S outlet side terminal 7 mutually, and the phase insulation of the outlet side terminal 7 of S phase and T outlet side terminal 8 mutually respectively.
Under this situation, though in the framework of enclosed switch board, be provided with demarcation strip 10, but owing between the 1st insulating plate section 9a and the 2nd insulating plate section 9b, do not have segmenting part 9c, if therefore draw-out type circuit breaker 100 is housed in the framework, the demarcation strip 10 that then is provided with in framework as shown in Figure 8, insert between the 1st insulating plate section 9a and the 2nd insulating plate section 9b, under this state, input side terminal 3,4,5 and outlet side terminal 6,7,8 can be connected with the bonding conductor of the mains side that is provided with in framework and the bonding conductor of load-side.
Like this, owing to utilize 2 frangible portion 9d that cut off phase insulating board 9 segmenting part 9c is separated, thereby can disjunction be the 1st phase insulation board 9a and the 2nd insulating plate section 9b, even therefore have under the situation of demarcation strip 10, also can be by the phase insulation of the 1st insulating plate section 9a, by the phase insulation of the 2nd insulating plate section 9b with R phase output terminals 6, S phase output terminals 7, T phase output terminals 8 with R phase input terminal 3, S phase input terminal 4, T phase input terminal 5.
Demarcation strip holding section 11 as shown in Figure 9, for the different situation of the thickness of slab of tackling demarcation strip 10, have the 1st location notch 11a and the 2nd location notch 11b, under the thin situation of the thickness of slab of demarcation strip 10, location notch 11a is gone in intercalation, under the thick situation of the thickness of slab of demarcation strip 10, location notch 11b is gone in intercalation, thereby can demarcation strip 10 is fixing reliably.
As mentioned above, the draw-out type circuit breaker 100 that embodiments of the present invention 1 relate to, substantial middle portion at phase insulating board 9 has segmenting part 9c, its can with the 1st insulating plate section 9a and the 2nd insulating plate section 9b disjunction, when accommodating draw-out type circuit breaker 100, cut off frangible portion 9d as required and segmenting part 9c is separated, disjunction is the 1st insulating plate section 9a and the 2nd insulating plate section 9b, be installed on the terminal board 2, therefore, can not make the arrangements of terminal 1 of draw-out type circuit breaker 100 contact the demarcation strip 10 of enclosed switch board and accommodate draw-out type circuit breaker 100.
And the phase insulating board 9 that embodiments of the present invention 1 relate to has frangible portion 9d, by bending frangible portion 9d with hand, and can be without instrument with the 1st insulating plate section 9a and the 2nd insulating plate section 9b disjunction easily.
In addition, the arrangements of terminal 1 that embodiments of the present invention 1 relate to is provided with demarcation strip holding section 11, therefore can keep demarcation strip 10.And,, therefore can tackle the different situation of thickness of slab of demarcation strip 10 because have groove width different location notch 11a, 11b.
Claims (6)
1. draw-out type circuit breaker, it has: the draw-out type circuit breaker main body, it can be housed in the framework of distribution board etc. with pulling out, is connected with bonding conductor in being arranged on described framework, and the circuit that comprises described bonding conductor is opened and closed; Arrangements of terminal, it is installed on the described draw-out type circuit breaker main body; And phase insulating board, it is installed on the described arrangements of terminal, it is characterized in that,
Described arrangements of terminal has: a plurality of input side terminals, and its input side with described draw-out type circuit breaker main body is connected; A plurality of outlet side terminals, its outlet side with described draw-out type circuit breaker main body is connected; And terminal board, it makes described a plurality of input side terminal and described a plurality of outlet side terminals by every corresponding and arrange,
Described phase insulating board has: the 1st insulating plate section, and it is arranged on the alternate of described a plurality of input side terminals; The 2nd insulating plate section, it is arranged on the alternate of described a plurality of outlet side terminals; Segmenting part, it is arranged between described the 1st insulating plate section and described the 2nd insulating plate section; And frangible portion, it is separately positioned between described the 1st insulating plate section and the described segmenting part, reaches between described the 2nd insulating plate section and the described segmenting part,
Described segmenting part constitutes, and can utilize described frangible portion to separate with described the 2nd insulating plate section with described the 1st insulating plate section,
Described terminal board has: the 1st holding section, and it removably engages described the 1st insulating plate section; And the 2nd holding section, it removably engages described the 2nd insulating plate section.
2. the arrangements of terminal of a draw-out type circuit breaker, it is installed on the draw-out type circuit breaker main body in the framework that can be contained in distribution board etc. with pulling out, it is characterized in that,
Have: a plurality of input side terminals, its input side with described draw-out type circuit breaker main body is connected; A plurality of outlet side terminals, its outlet side with described draw-out type circuit breaker main body is connected; And terminal board, it makes described a plurality of input side terminal and described a plurality of outlet side terminals by every corresponding and arrange,
Described terminal board has: the 1st holding section, and it removably engages the 1st alternate insulating plate section that is arranged on described a plurality of input side terminals; The 2nd holding section, it removably engages the 2nd alternate insulating plate section that is arranged on described a plurality of outlet side terminals; And the demarcation strip holding section, it can engage with demarcation strip, and this demarcation strip inserts between described input side terminal and the described outlet side terminal, to separating between described input side terminal and the described outlet side terminal.
3. the arrangements of terminal of draw-out type circuit breaker according to claim 2 is characterized in that,
Described demarcation strip holding section has location notch, and it carries out the location of described demarcation strip,
Described location notch is by constituting with the corresponding a plurality of location notchs of the described demarcation strip of different thicknesss of slab.
4. the phase insulating board of an arrangements of terminal, it is installed on the arrangements of terminal of the draw-out type circuit breaker in the framework that can be housed in distribution board etc. with pulling out, it is characterized in that,
Have: the 1st insulating plate section, it is arranged on a plurality of input side terminals alternate of described arrangements of terminal; The 2nd insulating plate section, it is arranged on a plurality of outlet side terminals alternate of described arrangements of terminal; Segmenting part, it is arranged between described the 1st insulating plate section and described the 2nd insulating plate section; Frangible portion, it is separately positioned between described the 1st insulating plate section and the described segmenting part, reaches between described the 2nd insulating plate section and the described segmenting part,
Described segmenting part constitutes, and can utilize described frangible portion to separate with described the 2nd insulating plate section from described the 1st insulating plate section.
5. the phase insulating board of arrangements of terminal according to claim 4 is characterized in that,
Described frangible portion, the groove of V i section constitutes by forming roughly.
6. the phase insulating board of arrangements of terminal according to claim 4 is characterized in that,
Described frangible portion is made of a plurality of through holes that run through described phase insulating board on the thickness of slab direction.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-220953 | 2007-08-28 | ||
| JP2007220953 | 2007-08-28 | ||
| JP2007220953A JP4925974B2 (en) | 2007-08-28 | 2007-08-28 | Drawer type circuit breaker, terminal device of drawer type circuit breaker, and interphase insulating plate of terminal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101378179A true CN101378179A (en) | 2009-03-04 |
| CN101378179B CN101378179B (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101990808A Active CN101378179B (en) | 2007-08-28 | 2007-12-12 | Draw-out type circuit breaker, and terminal device and phase insulating board thereof |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4925974B2 (en) |
| CN (1) | CN101378179B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543597A (en) * | 2010-12-31 | 2012-07-04 | Ls产电株式会社 | Circuit breaker |
| TWI699058B (en) * | 2018-03-07 | 2020-07-11 | 日商三菱電機股份有限公司 | Pull-out type circuit breaker |
| CN112164629A (en) * | 2020-09-25 | 2021-01-01 | 朱承风 | Grounding circuit breaker |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200477248Y1 (en) * | 2011-07-22 | 2015-05-29 | 엘에스산전 주식회사 | An Insulation Barrier of the MCCB and the Fixing Structure for the Insulation Barrier thereof |
| WO2018211579A1 (en) | 2017-05-16 | 2018-11-22 | 三菱電機株式会社 | Drawer-type circuit breaker |
| CN108511276A (en) * | 2018-05-16 | 2018-09-07 | 河南森源电气股份有限公司 | A kind of breaker of plastic casing and its felt pad |
| CN112133594B (en) * | 2020-09-23 | 2023-01-31 | 华翔翔能科技股份有限公司 | Drawer type mechanism assembly device of indoor vacuum circuit breaker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2062905U (en) * | 1989-12-23 | 1990-09-26 | 宋妙兴 | Plug-in type low-valtage switch cabinet |
| CN2256191Y (en) * | 1996-02-12 | 1997-06-11 | 上海森源电气有限责任公司 | Low voltage drawing-out switching carbinet |
| JP3853064B2 (en) * | 1998-03-17 | 2006-12-06 | 寺崎電気産業株式会社 | Circuit breaker terminal barrier device |
| JP3906568B2 (en) * | 1998-06-22 | 2007-04-18 | 富士電機機器制御株式会社 | Magnetic contactor |
| JP4104996B2 (en) * | 2003-01-22 | 2008-06-18 | 三菱電機株式会社 | Breaker |
-
2007
- 2007-08-28 JP JP2007220953A patent/JP4925974B2/en active Active
- 2007-12-12 CN CN2007101990808A patent/CN101378179B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543597A (en) * | 2010-12-31 | 2012-07-04 | Ls产电株式会社 | Circuit breaker |
| CN102543597B (en) * | 2010-12-31 | 2014-09-17 | Ls产电株式会社 | Circuit breaker |
| TWI699058B (en) * | 2018-03-07 | 2020-07-11 | 日商三菱電機股份有限公司 | Pull-out type circuit breaker |
| CN112164629A (en) * | 2020-09-25 | 2021-01-01 | 朱承风 | Grounding circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101378179B (en) | 2011-08-17 |
| JP4925974B2 (en) | 2012-05-09 |
| JP2009055732A (en) | 2009-03-12 |
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