CN102326308A - Switch gear - Google Patents
Switch gear Download PDFInfo
- Publication number
- CN102326308A CN102326308A CN2009801573192A CN200980157319A CN102326308A CN 102326308 A CN102326308 A CN 102326308A CN 2009801573192 A CN2009801573192 A CN 2009801573192A CN 200980157319 A CN200980157319 A CN 200980157319A CN 102326308 A CN102326308 A CN 102326308A
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- board
- frame body
- casing
- switching device
- securing member
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- 238000005452 bending Methods 0.000 claims description 55
- 238000009434 installation Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
A switch gear provided with a first frame body (53a) for a first housing, a second frame body (54a) for a second housing, a first plate section (53b) bent from the first frame body (53a) in a direction perpendicular to the first frame body (53a), a second plate section (53c) bent from the first plate section (53b) in a direction perpendicular to the first plate section (53b), a third plate section (54c) bent from the second frame body (54a) in a direction perpendicular to the second frame body (54a) and joined to the first plate section (53b), a fourth plate section (54d) bent from the third plate section (54c) in the same direction as the second plate section (53c) and joined to the second plate section (53c), first fastening bodies (59, 60) for fastening the first plate section (53b) and the third plate section (54c) together, and second fastening bodies (61, 62); for fastening the second plate section (53c) and the fourth plate section (54d) together. The switch gear has a highly reliable connection structure and a simple mounting structure.
Description
Technical field
The present invention relates to a kind of switching device, especially, relate to the syndeton between each casing of a kind of switching device with a plurality of casings that for example gas insulated switchgear etc. is provided with.
Background technology
As existing switching device, a kind of for example Figure 21～switching device shown in Figure 29 is arranged.Figure 21 is the front view of switching device; Figure 22 is the sectional side view of switching device; Figure 23 and Figure 24 are that the casing to switching device is split into the stereogram that the situation of four casings describes; Figure 25 is the end view of the casing of switching device, and Figure 26 is the cutaway view of the X-X line of Figure 25, and Figure 27～Figure 29 is the cutaway view of syndeton of Y portion or the Z portion of expression Figure 26.
In above-mentioned each figure, the casing of switching device is split into four casings and constitutes a plurality of compartments.In the breaker chamber 39 of the substantial middle portion that is located at switching device, taken in and drawn type circuit breaker 5.On the insulated tube installation frame (Japanese: hinder pipe fetching Off レ one system) of the wall of the depth direction that constitutes breaker chamber 39, be provided with the axle bush 6 that is electrically connected with the high-tension circuit of two systems respectively.
An axle bush 6 is electrically connected with main bus bar 1 through the branch conductors 2 in the main bus bar chamber 40.Branch conductors 2 insulated bodys 3 support and insulate with installation frame 4.Another axle bush 6 through the instrument in the cable vault 41 with current transformer 8 and branch conductors 9 and with the cable that is connected with external equipment 10 electrical connections.Drawing type circuit breaker 5 is connected the connector 5a that is located at the back side with fixed contact in axle bush 6.Below axle bush 6, be provided with grounding opening-closing device 11.
Above breaker chamber 39, be provided with control room 15, in this control room 15, take in not shown protection relay, instrument and the vacuum shutter opened the switch of closing etc.In addition, be provided with top plate pressure relief flapper 12 at the top board of breaker chamber 39, this top plate pressure relief flapper 12 rises as purpose to relax the internal pressure of switching device inside when the fault, and the pressure more than the setting is carried out release.In addition, on the floor of for example factory of the position that is provided with switching device etc., dig the cable trough 17 of taking in control cable, main circuit cable.
Draw type circuit breaker 5 and be installed on the circuit breaker bearing floor 7, and can utilize the wheel 5c that is installed on the bottom to go up at fore-and-aft direction (left and right directions of Figure 22) and move towards switching device.Draw type circuit breaker 5 and be positioned in link position shown in Figure 22 all the time, and be connected to move as circuit breaker with main circuit as the high-tension circuit that constitutes by the cable that extends to external equipment 10, main bus bar 1.In addition, when drawing type circuit breaker 5, also as preventing that the interlock of the input of grounding opening-closing device 1 from working at this link position.On the other hand; For example; When the maintenance of carrying out the not shown external equipment that cable 10 connects, inspection etc.; Draw type circuit breaker 5 and pulled out by the operator and be positioned in the off position that left from link position shown in Figure 22 towards Figure 22 moves predetermined distance, thereby away from axle bush 6 and can carry out the input of grounding opening-closing device 11.
In addition, the casing of switching device is made up of control room casing 18, breaker chamber casing 19, main bus bar chamber body 20, cable vault's casing 21 these four casings.
When the common running of so existing switching device,, also produce the internal short-circuit accident sometimes because of a variety of causes though be extremely rare.Under the situation that the internal short-circuit accident takes place, can think that rapid internal pressure rises or the generation high-temperature gas because of arc energy produces.Consider these factors and proposed the syndeton between various each casing.
In addition, this internal short-circuit accident takes place in imagination, need be following structure for the structure of switching device: have and stand the intensity that the rapid internal pressure that when the internal short-circuit accident, produced rises, and the high-temperature gas that can suppress generation sprays outside casing.After the internal short-circuit accident took place, more situation needed rapid restoration switch device.
When accident takes place, feed through to the situation in control room and the situation that accident impact feeds through to the switching device different with the switching device of generation accident, the time that repair spent that then can cut down switching device if can alleviate accident impact.
In addition, the casing of switching device and arc resistance can have or not irrelevant, because of the restriction as the perforate of the profile of the metallic plate of material and metallic plate processing, bending, cut-out operation generally is divided into polylith.
Yet; Open in the switching device of the structure shown in the 2004-350442 communique in Japanese Patent Laid; The following method of general employing: at top plate portion release flapper 12 is set, and is suppressed at the pressure rising in the rapid switching device that is produced when the internal short-circuit accident takes place through opening release flapper 12.But, can not eliminate the influence of rising and producing fully because of the pressure in the switching device, thereby when inner accident takes place, the influence that can be under pressure morely and rise.
Figure 27 representes to have the connector portions that connects between general casing now; Through to use securing member be bolt 24 with nut 25 will be for example from the framework 20a of main bus bar chamber body 20 towards the connecting plate 20b of orthogonal direction bending with for example from the cable vault framework 21 of casing 21 screw towards the connecting plate 21b of orthogonal direction bending; Thereby make main bus bar chamber body 20 and cable vault's casing 21 body that becomes one structure, other casing is also connected identically and is constituted the casing of switching device.
Be provided with the connecting plate 20b that for example makes from the framework 20a of main bus bar chamber body 20 towards the orthogonal direction bending mounting panel 20c with the mode further bending parallel with this framework 20a among Figure 28, this mounting panel 20c for example is used as each part that is accommodated in the main bus bar chamber body 20 is supported.Among Figure 29 not only in bus line chamber body 20 sides; Also casing 21 sides are provided with the framework 21 that for example makes the casing 21 from the cable vault towards the connecting plate 21b of the orthogonal direction bending mounting panel 21c with the mode further bending parallel with this framework 21a in the cable vault, and this mounting panel 21c for example is used as each part that is accommodated in cable vault's casing 21 are supported.
Such Figure 27～connector portions shown in Figure 29 only is to screw in a place on orthogonal direction, and easy deformation when pressure rises, result are possibly make that high-temperature gas is as shown in arrow 26 to flow out outside switching device.Therefore, in the tightened-up structure of such box frame, can consider to append framework with increase the screw rigidity of portion or the stress when increasing that among Figure 27～Figure 29 rise to relax internal pressure in the position of screwing on the depth direction on the accompanying drawing etc. towards the portion of screwing.In addition, also can adopt and shown in figure 24ly screw the arranged outside side lid 22,23 of portion with the intensity that increases casing and prevent that high-temperature gas is towards countermeasures such as the outside outflows of switching device at casing.When switching device and other switching device are arranged side by side, generally adopt following structure: lid is not set, but, flows out towards switching device is outside to prevent high-temperature gas only at the end installation side cover of arranging between the arrangement of switching device.
Patent documentation 1: Japanese Patent Laid is opened the 2006-211788 communique
Patent documentation 2: Japanese Patent Laid is opened the 2004-350442 communique
Disclosure of an invention
Invent technical problem to be solved
Yet; In above-mentioned existing switching device; Have following technical problem: to use securing member be bolt 24 with nut 25 will be connected to each other towards the adapter plate of orthogonal direction bending respectively from two adjacent box frames and be in the same place; This connector portions only is to screw in a place on orthogonal direction, and easy deformation when pressure rises, result are that high-temperature gas is flowed out outside switching device.
In addition; Also there is following technical problem: when partition frame that the box frame with connector portions will be used in switching device, separating as pillar, the scaffold that is used for the insulant of the bus in the supporting switching device is fixed, the scaffold that is used for the instrument that accompany bus is fixed with current transformer etc. be fixedly the time, is the structure of the easy installation of ability.
The present invention does for solving the problems of the technologies described above, and its purpose is to provide a kind of switching device that has the syndeton of high reliability and have easy mounting structure.
The technical scheme that the technical solution problem is adopted
Switching device of the present invention to major general's first casing and second casing is formed by connecting, and it is characterized in that, comprising: first frame body of first casing; Second frame body of second casing; First board, this first board from first frame body towards the orthogonal direction bending; Second board, this second board engages from second frame body towards the orthogonal direction bending and with first board; First securing member, this first securing member will be screwed towards first board and second board of orthogonal direction bending respectively; And second securing member, this second fastener arrangement is in the position of more leaning on the orthogonal direction side than first securing member, and first board and second board are screwed.
In addition, switching device of the present invention to major general's first casing and second casing is formed by connecting, and it is characterized in that, comprising: first frame body of first casing; Second frame body of second casing; First board, this first board from first frame body towards the orthogonal direction bending; Second board, this second board from first board towards the orthogonal direction bending; The 3rd board, the 3rd board engages from second frame body towards the orthogonal direction bending and with first board; The 4th board, the 4th board engages from the direction bending identical with second board of the 3rd board court and with second board; First securing member, this first securing member is screwed first board and the 3rd board; And second securing member, this second securing member is screwed second board and the 4th board.
In addition, switching device of the present invention to major general's first casing and second casing is formed by connecting, and it is characterized in that, comprising: first frame body of first casing; Second frame body of second casing; First board, this first board from first frame body towards the orthogonal direction bending; Second board, this second board from first board with the mode parallel with first frame body towards the orthogonal direction bending; The 3rd board, the 3rd board engages from second frame body towards the orthogonal direction bending and with first board; The 4th board, the 4th board from the 3rd board with mode parallel with second frame body on the direction opposite with second board towards the orthogonal direction bending; The plate-shaped frame body, this plate-shaped frame body engages with second board and the 4th board; First securing member, this first securing member is screwed first board and the 3rd board; Second securing member, this second securing member is screwed second board and plate-shaped frame body; And the 3rd securing member, the 3rd securing member is screwed the 4th board and plate-shaped frame body
The invention effect
Switching device of the present invention is through being provided with the connector portions of two adjacent box frames of many places on orthogonal direction, thereby can obtain the switching device that has the syndeton of high reliability and have easy mounting structure.
Description of drawings
Fig. 1 is the front view of the switching device of embodiment of the present invention 1.
Fig. 2 is the sectional side view of the switching device of embodiment of the present invention 1.
Fig. 3 is the stereogram of body structure of the switching device of expression embodiment of the present invention 1.
Fig. 4 is the front view of body structure of the switching device of expression embodiment of the present invention 1.
Fig. 5 is the end view of body structure of the switching device of expression embodiment of the present invention 1.
Fig. 6 is the cutaway view of VI-VI line of Fig. 4 of body structure of the switching device of expression embodiment of the present invention 1.
Fig. 7 is the cutaway view of VII-VII line of Fig. 5 of body structure of the switching device of expression embodiment of the present invention 1.
Fig. 8 is the cutaway view of syndeton of A portion or B portion of Fig. 7 of the switching device of expression embodiment of the present invention 1.
Fig. 9 is the cutaway view of syndeton of A portion or B portion of Fig. 7 of the switching device of expression embodiment of the present invention 2.
Figure 10 is the stereogram of syndeton of casing of the switching device of expression embodiment of the present invention 2.
Figure 11 is the stereogram of syndeton of casing of the switching device of expression embodiment of the present invention 2.
Figure 12 is the cutaway view of syndeton of A portion or B portion of Fig. 7 of the switching device of expression embodiment of the present invention 3.
Figure 13 is the cutaway view of syndeton of A portion or B portion of Fig. 7 of the switching device of expression embodiment of the present invention 4.
Figure 14 is the major part front view of casing connecting portion of the switching device of expression embodiment of the present invention 5.
Figure 15 is the cutaway view of XV-XV line of Figure 14 of casing connecting portion of the switching device of expression embodiment of the present invention 5.
Figure 16 is that the switching device of expression embodiment of the present invention 5 is installed the cutaway view of the major part of example.
Figure 17 is that the switching device of expression embodiment of the present invention 5 is installed the cutaway view of the major part of example.
Figure 18 is that the switching device of expression embodiment of the present invention 6 is installed the stereogram of the major part of example.
Figure 19 is that the switching device of expression embodiment of the present invention 6 is installed the cutaway view of the major part of example.
Figure 20 is that the switching device of expression embodiment of the present invention 6 is installed the cutaway view of the major part of example.
Figure 21 is the front view of the existing switching device of expression.
Figure 22 is the sectional side view of the existing switching device of expression.
Figure 23 is that the casing to existing switching device is split into the stereogram that the situation of four casings describes.
Figure 24 is that the casing to existing switching device is split into the stereogram that the situation of four casings describes.
Figure 25 is the end view of the casing of existing switching device.
Figure 26 is the cutaway view of X-X line of Figure 25 of existing switching device.
Figure 27 is the cutaway view of syndeton of Y portion or Z portion of Figure 26 of the existing switching device of expression.
Figure 28 is the cutaway view of another connector portions of the existing switching device of expression.
Figure 29 is the cutaway view of another connector portions of the existing switching device of expression.
Embodiment
Below, according to Fig. 1～Fig. 8 embodiment of the present invention 1 is described.Fig. 1 is the front view of the switching device of embodiment of the present invention 1; Fig. 2 is the sectional side view of the switching device of embodiment of the present invention 1; Fig. 3 is the stereogram of body structure of the switching device of expression embodiment of the present invention 1; Fig. 4 is the front view of body structure of the switching device of expression embodiment of the present invention 1; Fig. 5 is the end view of body structure of the switching device of expression embodiment of the present invention 1; Fig. 6 is the cutaway view of VI-VI line of Fig. 4 of body structure of the switching device of expression embodiment of the present invention 1, and Fig. 7 is the cutaway view of VII-VII line of Fig. 5 of body structure of the switching device of expression embodiment of the present invention 1, and Fig. 8 is the cutaway view of syndeton of A portion or B portion of Fig. 7 of the switching device of expression embodiment of the present invention 1.
In these each figure, symbol 1 is a main bus bar, and symbol 2 is branch conductors; Symbol 3 is that (Japanese: insulator), symbol 4 is installation frames to insulator, and symbol 5 is to draw type circuit breaker (Japanese: draw the type breaker); Symbol 6 is axle bushes, and symbol 8 expression instruments are used current transformer, and symbol 9 is branch conductors; Symbol 12 is release flapper (Japaneses: put and press Off ラ Star パ), and symbol 15 is control rooms, and symbol 39 is breaker chambers; Symbol 40 is main bus bar chambers, and symbol 41 is cable vaults, and the top of circuit breaker 39 is located in control room 15 with the mode that can unload.
Symbol 51 is control room casings; Symbol 52 is breaker chamber casings; Symbol 53 is main bus bar chamber bodies, and symbol 54 is cable vault's casings, to scheme as an example; Control room casing 51 is located at the top of circuit breaker casing 52 with the mode that can unload, and the part of main bus bar chamber body 53 is configured as breaker chamber casing 52.In addition, the below of breaker chamber casing 52 partly constitutes the part of cable vault's casing 54.
As with the structure that combines between above-mentioned each casing to prevent that high-temperature gas from flowing out towards the outside of switching device, can utilize structure for example shown in Figure 8 to realize.Scheming as an example, to as the main bus bar chamber body 53 of first casing with as cable vault's casing 54 of second casing combine describe.Symbol 53a is first frame body of main bus bar chamber body 53; Symbol 53b is first board from this first frame body 53a towards the orthogonal direction bending; Symbol 54a is second frame body of cable vault's casing 54, and symbol 54b is second board from this second frame body 54a towards the orthogonal direction bending.Symbol 55 and symbol 56 are bolt and the nuts as first securing member that the first board 53b and the second board 54b are screwed, and symbol 57 and symbol 58 are to be disposed at that to liken to be the bolt 55 of first securing member and position that nut 56 more leans on orthogonal direction and as the bolt and the nut of second securing member that the first board 53b and the second board 54b are screwed.
In this execution mode 1; For the first board 53b from the first frame body 53a towards the orthogonal direction bending of main bus bar chamber body 53 and the second board 54b from the second frame body 54a towards the orthogonal direction bending of cable vault's casing 54; Two positions on this orthogonal direction utilize as the bolt 55 of first securing member and nut 56 with as the bolt 57 and the nut 58 of second securing member and screw; Therefore; The sealing effectiveness between the first board 53b and the second board 54b can be improved significantly, and the intensity of joint portion can also be improved.
Consequently, when producing pressure because of the internal short-circuit accident and rise, can not deform yet, and can prevent that the high-temperature gas outside towards switching device as shown in arrow 26 from flowing out, thereby can obtain to have the switching device of the syndeton of high reliability.
According to Fig. 9 execution mode 2 of the present invention is described.In Fig. 9, to as the main bus bar chamber body 53 of first casing with as cable vault's casing 54 of second casing combine describe.Symbol 53a is first frame body of main bus bar chamber body 53; Symbol 53b is first board from this first frame body 53a towards the orthogonal direction bending; Symbol 53c is second board from the first board 53b towards the orthogonal direction bending; Symbol 54a is second frame body of cable vault's casing 54; Symbol 54c is the 3rd board from this second frame body 54a towards the orthogonal direction bending, and symbol 54d is from the second board 54c court direction identical with the second board 53c, promptly with four board of the mode parallel with the second frame body 54a towards the orthogonal direction bending.Symbol 59 and symbol 60 are bolt and the nuts as first securing member that the first board 53b and the 3rd board 54c are screwed, the bolt and the nut of symbol 61 and symbol 62 second securing member that to be the conducts of further extending towards orthogonal direction from the position of bolt 59 and nut 60 screw the second board 53c and the 4th board 54d.Can know from Fig. 9; The second frame body 54a of cable vault's casing 54, the 3rd board 54c, the 4th board 54d are コ word shape, and the first board 53b of the first frame body 53a of main bus bar chamber body 53, the second board 53c form with the shape along the mode bending of this コ word shape.
In this execution mode 2; Use is screwed the first board 53b from the first frame body 53a towards the orthogonal direction bending of main bus bar chamber body 53 and the 3rd board 54c from the second frame body 54a towards the orthogonal direction bending of cable vault's casing 54 as the bolt 59 and the nut 60 of first securing member; In addition; Also utilize as the bolt 61 and the nut 62 of second securing member and will further screw from the first board 53b and the 3rd board 54c towards the second board 53c and the 4th board 54d that orthogonal direction bending ground extends; Therefore; The sealing effectiveness that reaches between the first board 53b and the 3rd board 54c between the second board 53c and the 4th board 54d can be improved significantly, and the intensity of joint portion can also be improved.In above-mentioned execution mode 1; The outflow path of high-temperature gas is directly to advance direction, but in this execution mode 2, and the outflow path of high-temperature gas becomes bending, promptly is partial to the outflow path at right angle; Thereby compare with above-mentioned execution mode 1, can further bring into play sealing effectiveness.
Consequently, when producing pressure because of the internal short-circuit accident and rise, can not deform yet, and can prevent that the high-temperature gas outside towards switching device as shown in arrow 26 from flowing out, thereby can obtain to have the switching device of the syndeton of high reliability.
Figure 10 and Figure 11 are the stereograms of syndeton of the casing of expression switching device; Shown in figure 10; For example; The side near the second frame body 54a of cable vault's casing 54 at the first frame body 53a of main bus bar chamber body 53 is formed with the first board 53b and the second board 53c, on the other hand, on the second frame body 54a of cable vault's casing 54, is formed with the 3rd board 54c and the 4th board 54d with the mode that engages with these the first board 53b and the second board 53c.In addition; Shown in figure 11; The second board 53c that engages and make main bus bar chamber body 53 at first board 53b that makes main bus bar chamber body 53 and the 3rd board 54c of cable vault's casing 54 is with after the 4th board 54d of cable vault's casing 54 engages, through utilizing as the bolt 59 of first securing member and nut 60 and as the bolt 61 of second securing member and nut 62 body that becomes one structure of screwing.
According to Figure 12 execution mode 3 of the present invention is described.In Figure 12, utilize bolt 59 and nut 60 L word shape framework 63 to be installed on the first board 53b from the first frame body 53a towards the orthogonal direction bending of main bus bar chamber body 53.
In this execution mode 3; Through the first board 53b and the 3rd board 54c being screwed and L word shape framework 63 being installed; For example, can utilize the installing hole (not shown) that is formed at L word shape framework 63 that the various parts in the main bus bar chamber body 53 are installed, the convenience aspect is excellent.
According to Figure 13 execution mode 4 of the present invention is described.In Figure 13, to as the main bus bar chamber body 53 of first casing with as cable vault's casing 54 of second casing combine describe.Symbol 53a is first frame body of main bus bar chamber body 53; Symbol 53b is first board from this first frame body 53a towards the orthogonal direction bending; Symbol 53d is with second board of the mode parallel with the first frame body 53a towards the orthogonal direction bending from the first board 53b; Symbol 54a is second frame body of cable vault's casing 54; Symbol 54c is the 3rd board from this second frame body 54a towards the orthogonal direction bending, and symbol 54d is with four board of the mode parallel with the second frame body 54a towards the orthogonal direction bending from the second board 54c.That is, the second board 53d and the 4th board 54d are towards the opposite directions bending.Symbol 64 is the plate-shaped frame bodies that engage with the second board 53d and the 4th board 54d.Symbol 65 and symbol 66 are bolt and the nuts as first securing member that the first board 53b and the 3rd board 54c are screwed; The bolt and the nut of symbol 67 and symbol 68 second securing member that to be the conducts of further extending towards orthogonal direction from the position of bolt 65 and nut 66 screw the second board 53d and plate-shaped frame body 64, symbol 69 and symbol 70 are bolt and nuts of the 3rd securing member further the 4th board 54d and plate-shaped frame body 64 screwed towards the conduct of orthogonal direction extension from the position of bolt 65 and nut 66.
In this execution mode 4; Use is screwed the first board 53b from the first frame body 53a towards the orthogonal direction bending of main bus bar chamber body 53 and the 3rd board 54c from the second frame body 54a towards the orthogonal direction bending of cable vault's casing 54 as the bolt 65 and the nut 66 of first securing member; In addition; Also utilize as the bolt 67 and the nut 68 of second securing member and will further screw from the first board 53b towards the second board 53d and plate-shaped frame body 64 that orthogonal direction bending ground extends; Utilization will further be screwed towards the 4th board 54d and plate-shaped frame body 64 that orthogonal direction and the court direction bending ground opposite with the second board 53d extends from the 3rd board 54c as the bolt 69 and the nut 70 of the 3rd securing member; Therefore; The sealing effectiveness that reaches between the first board 53b and the 3rd board 54c between tabular casing 64 and the second board 53d and the 4th board 54d can be improved significantly, and the intensity of joint portion can also be improved.In above-mentioned execution mode 1; The outflow path of high-temperature gas is directly to advance direction, but in this execution mode 4, and the outflow path of high-temperature gas becomes bending, promptly is partial to the outflow path at right angle; Thereby compare with above-mentioned execution mode 1, can further bring into play sealing effectiveness.
Consequently, when producing pressure because of the internal short-circuit accident and rise, can not deform yet, and can prevent that the high-temperature gas outside towards switching device as shown in arrow 26 from flowing out, thereby can obtain to have the switching device of the syndeton of high reliability.
In addition; Can know from Figure 13; The second frame body 54a of the first frame body 53a of main bus bar chamber body 53, the first board 53b, the second board 53d and cable vault's casing 54, the 3rd board 54c, the 4th board 54d are コ word shape, therefore, and when forming casing; Identical Bending Processing can be adopted, standardization, the operating efficiency of part can be realized.
Adopt the syndeton between the casing of each execution mode as stated; Can improve the sealing effectiveness of the connecting portion between casing significantly, and can also improve the intensity of joint portion, therefore; In above-mentioned existing switching device; Can consider to make and be located at the screw thickness attenuation of side lid 22,23 in the portion outside of casing, in addition, also can consider according to circumstances to omit side lid 22,23.
According to Figure 14 and Figure 15 execution mode 5 of the present invention is described.The major part front view of Figure 14 casing connecting portion that to be expression enlarged the C portion of Fig. 6, Figure 15 is the cutaway view of the XV-XV line of Figure 14.In above-mentioned each figure, for example, symbol 53c is second board of main bus bar chamber body 53, and symbol 54d is the 4th board of cable vault's casing 54, and symbol 63 is L word shape frameworks, and symbol 63a is the erection opening that is formed at each part of L word shape framework 63.Symbol 71 is the circular holes that for example are formed at the second board 53c, and symbol 72 is to be formed at the little polygonal hole that for example is made up of quadrangle of the ratio circular hole 71 of the 4th board 54d of opposite side (below, be called quadrilateral hole), these holes be configured in coaxial on.In a word, as long as circular hole 71 is set and quadrilateral hole 72 is set at opposite side in a side that is in each other in the engagement relationship.In this execution mode 5; To scheme as an example; With respect to the structure of above-mentioned execution mode 3, represented to be provided with on the first board 53b, the second board 53c in main bus bar casing 53 sides circular hole 71 and on the 3rd board 54c of cable vault's casing 54, the 4th board 54d, be provided with the structure of quadrilateral hole 72.
Like this; In second board 53c that screws each other and the 4th board 54d; Through circular hole 71 being set on the second board 53c and on the 4th board 54d, quadrilateral hole 72 being set, thereby can use like Figure 16 or the securing member that constitutes by screw bolt and nut shown in Figure 17 to come simply with screwing between this second board 53c and the 4th board 54d.
Under situation shown in figure 16, box nut 73 is inserted the quadrilateral hole 72 of the 4th board 54d, and bolt 74 is screwed into this box nut 73, thereby the second board 53c and the 4th board 54d are screwed through the circular hole 71 of the second board 53c.Symbol 75 is packing rings.Though not shown, the first board 53b and the 3rd board 54c are screwed by box nut 73 and bolt 74 similarly.As stated, do not rotate, therefore, only need bolt 74 is screwed into this box nut 73, just can be simply the first board 53b and the 3rd board 54c and the second board 53c and the 4th board 54d be screwed owing to insert the box nut 73 of quadrilateral hole 72.
In addition, under situation shown in Figure 17, in the circular hole 71 of the quadrilateral hole 72 of the 4th board 54d and the second board 53c; Make the threaded portion 76a of bolt 76 insert logical; In addition, also make for example tetragonal polygon the 76b engaging of bolt 76, and behind the threaded portion 76a of bolt 76 that packing ring 77 is packed into; Be screwed into nut 78, thereby the second board 53c and the 4th board 54d are screwed.Though not shown, the first board 53b and the 3rd board 54c are screwed by bolt 76 and nut 78 similarly.As stated; Tetragonal polygon 76b of bolt 76 engages with quadrilateral hole 72, owing to bolt 76 does not rotate, therefore; Only need nut 78 is screwed into the threaded portion 76a of this bolt 76, just can be simply the first board 53b and the 3rd board 54c and the second board 53c and the 4th board 54d be screwed.Because bolt 76 does not rotate, and therefore, also will not be made as the hexagon shape by its head, realizes conserve spaceization thereby can its head be made as semicircle shape.
According to Figure 18～Figure 20 execution mode 6 of the present invention is described.Figure 18 is that the box house of expression switching device is installed the stereogram of the major part of example, and Figure 19 and Figure 20 are that the box house of expression switching device is installed the cutaway view of the major part of example.In above-mentioned each figure; For example, symbol 53a is first frame body of main bus bar chamber body 53, and symbol 53c is second board of main bus bar chamber body 53; Symbol 54a is second frame body of cable vault's casing 54; Symbol 54d is the 4th board of cable vault's casing 54, and symbol 63 is L word shape frameworks, and symbol 63a is the erection opening that is formed at each part of L word shape framework 63.Symbol 71 is the circular holes that for example are formed at the second board 53c, and symbol 72 is to be formed at the little polygonal hole that for example is made up of quadrangle of the ratio circular hole 71 of the 4th board 54d of opposite side (below, be called quadrilateral hole), these holes be configured in coaxial on.In a word, as long as circular hole 71 is set and quadrilateral hole 72 is set at opposite side in a side that is in each other in the engagement relationship.In this execution mode 5; To scheme as an example; With respect to the structure of above-mentioned execution mode 3, represented to be provided with on the first board 53b, the second board 53c in main bus bar casing 53 sides circular hole 71 and on the 3rd board 54c of cable vault's casing 54, the 4th board 54d, be provided with the structure of quadrilateral hole 72.
Symbol 84 is to make threaded portion 84a insert circular hole 80b and the bolt that for example tetragonal polygon 84b engaged with the quadrilateral hole 72 of the 4th board 54d of support plate 80a of circular hole 71 and second scaffold 80 of quadrilateral hole 72, the second board 53c of logical the 4th board 54d for second scaffold 80 is installed on the second board 53c portion; Symbol 85 is the nuts that are screwed among the threaded portion 84a of bolt 84, and symbol 86 is packing rings.
Figure 19 representes that with the cross section portion of screwing that first scaffold 79 is installed under the situation of the second board 53c portion is the P portion of Figure 18; Box nut 81 is inserted in the quadrilateral hole 72 of the 4th board 54d; And the circular hole 79b of the support plate 79a through first scaffold 79 and the circular hole 71 of the second board 53c be screwed into bolt 82 in this box nut 81, thereby the support plate 79a of first scaffold 79 is tightened onto on the second board 53c and the 4th board 54d.As stated,, therefore, only need bolt 82 is screwed in this box nut 81, just can simply first scaffold 79 be tightened onto on the first board 53b and the 3rd board 54c because the box nut 81 that inserts in the quadrilateral hole 72 does not rotate.
In addition; Figure 20 representes that with the cross section portion of screwing that second scaffold 80 is installed under the situation of the second board 53c portion is the Q portion of Figure 18; In the circular hole 80b of the support plate 80a of the circular hole 71 of the quadrilateral hole 72 of the 4th board 54d, the second board 53c and second scaffold 80, it is logical that the threaded portion 84a of bolt 84 is inserted, in addition; Also make for example tetragonal polygon the 84b engaging of bolt 84; And behind the threaded portion 84a of bolt 84 that packing ring 86 is packed into, be screwed into nut 85, thereby the support plate 80a of second scaffold 80 is tightened onto on the second board 53c and the 4th board 54d.As stated; Tetragonal polygon 84b of bolt 84 engages with quadrilateral hole 72, owing to bolt 84 does not rotate, therefore; Only need nut 85 is screwed into the threaded portion 84a of this bolt 84, just can simply second scaffold 80 be tightened onto on the first board 53b and the 3rd board 54c.In addition,, therefore, will not be made as the hexagon shape by its head yet, realize conserve spaceization thereby can its head be made as semicircle shape because bolt 84 does not rotate.
In addition; In case securing member is installed just under the situation about it not being unloaded or down in the situation of difficult installation etc.; The securing member of selecting such box nut and bolt to form; Under the situation of carrying out the installation of securing member continually and unloading, need only the securing member of the screw bolt and nut formation of polygon of select tape.Certainly, be not limited to these and select, also can select both combinations.
In above-mentioned each execution mode; To main bus bar being made casing 53 as first casing, the situation of cable vault's casing 54 as second casing is illustrated; But also can be applicable to breaker chamber casing 52 as first casing, with main bus bar chamber body 53 situation, and play identical effect as second casing.In a word, can be applicable to the structure of screwing with between two casings adjacent one another are.
Utilizability in the industry
The present invention relates to a kind of switching device with a plurality of casings that for example gas insulated switchgear etc. is provided with, is preferred for the switching device of realizing high reliability.
Claims (7)
1. switching device is formed by connecting to major general's first casing and second casing, it is characterized in that, comprising:
First frame body of said first casing;
Second frame body of said second casing;
First board, this first board from said first frame body towards the orthogonal direction bending;
Second board, this second board engage from said second frame body towards the orthogonal direction bending and with said first board;
First securing member, this first securing member will be screwed towards said first board and said second board of said orthogonal direction bending respectively; And
Second securing member, this second fastener arrangement be in the position of more leaning on said orthogonal direction side than said first securing member, and said first board and said second board are screwed.
2. switching device is formed by connecting to major general's first casing and second casing, it is characterized in that, comprising:
First frame body of said first casing;
Second frame body of said second casing;
First board, this first board from said first frame body towards the orthogonal direction bending;
Second board, this second board from said first board towards the orthogonal direction bending;
The 3rd board, the 3rd board engage from said second frame body towards the orthogonal direction bending and with said first board;
The 4th board, the 4th board engages from the direction bending identical with said second board of said the 3rd board court and with said second board;
First securing member, this first securing member is screwed said first board and said the 3rd board; And
Second securing member, this second securing member is screwed said second board and said the 4th board.
3. switching device as claimed in claim 2 is characterized in that,
The L word shape frame body of on said first board, having screwed.
4. switching device is formed by connecting to major general's first casing and second casing, it is characterized in that, comprising:
First frame body of said first casing;
Second frame body of said second casing;
First board, this first board from said first frame body towards the orthogonal direction bending;
Second board, this second board from said first board with the mode parallel with said first frame body towards the orthogonal direction bending;
The 3rd board, the 3rd board engage from said second frame body towards the orthogonal direction bending and with said first board;
The 4th board, the 4th board from said the 3rd board with mode parallel with said second frame body on the direction opposite with said second board towards the orthogonal direction bending;
The plate-shaped frame body, this plate-shaped frame body engages with said second board and said the 4th board;
First securing member, this first securing member is screwed said first board and said the 3rd board;
Second securing member, this second securing member is screwed said second board and said plate-shaped frame body; And
The 3rd securing member, the 3rd securing member is screwed said the 4th board and said plate-shaped frame body.
5. like each described switching device in the claim 1 to 4, it is characterized in that the board of the either side in said each board is made up of circular hole, the board of opposite side is made up of the polygonal hole littler than said circular hole.
6. switching device as claimed in claim 5 is characterized in that,
Said securing member is by having polygon box nut engaging with said polygonal hole and constituting with bolt that said box nut screws togather.
7. switching device as claimed in claim 5 is characterized in that,
Said securing member is by having polygon bolt engaging with said polygonal hole and constituting with the nut of said screw threaded.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2009/053357 WO2010097911A1 (en) | 2009-02-25 | 2009-02-25 | Switch gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102326308A true CN102326308A (en) | 2012-01-18 |
| CN102326308B CN102326308B (en) | 2014-08-27 |
Family
ID=42665138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980157319.2A Expired - Fee Related CN102326308B (en) | 2009-02-25 | 2009-02-25 | Switch gear |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5108144B2 (en) |
| CN (1) | CN102326308B (en) |
| WO (1) | WO2010097911A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064966A (en) * | 2014-06-11 | 2014-09-24 | 江苏宿开电气有限公司 | Integrally formed electrical switch cabinet |
| CN111418122A (en) * | 2017-12-07 | 2020-07-14 | 三菱电机株式会社 | Switching device |
| CN114013862A (en) * | 2022-01-06 | 2022-02-08 | 杭州斯诺康技术有限公司 | Waterproof type equipment dustbin |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025970A (en) * | 2016-06-23 | 2016-10-12 | 江苏万威电气有限公司 | Bus duct capable of conveniently fixing guide wires |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4811397U (en) * | 1971-06-21 | 1973-02-08 | ||
| JPS5272038U (en) * | 1975-11-25 | 1977-05-30 | ||
| JPS619706Y2 (en) * | 1979-09-22 | 1986-03-28 | ||
| JPS5836619U (en) * | 1981-09-04 | 1983-03-10 | ポツプリベツト・フアスナ−株式会社 | blind nut |
| JPS6073306U (en) * | 1983-10-21 | 1985-05-23 | 株式会社東芝 | Vertical freestanding switchboard |
| JPS6268401U (en) * | 1985-10-15 | 1987-04-28 | ||
| DE4310036A1 (en) * | 1993-03-27 | 1994-10-13 | Karl Miller Gmbh | Connection for sheet-like, frame-like, or box-like structures |
| JPH1155814A (en) * | 1997-07-28 | 1999-02-26 | Mitsubishi Electric Corp | External box of enclosed switchboard |
| JP4220835B2 (en) * | 2003-05-23 | 2009-02-04 | 三菱電機株式会社 | Switchgear |
-
2009
- 2009-02-25 JP JP2011501393A patent/JP5108144B2/en active Active
- 2009-02-25 CN CN200980157319.2A patent/CN102326308B/en not_active Expired - Fee Related
- 2009-02-25 WO PCT/JP2009/053357 patent/WO2010097911A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064966A (en) * | 2014-06-11 | 2014-09-24 | 江苏宿开电气有限公司 | Integrally formed electrical switch cabinet |
| CN111418122A (en) * | 2017-12-07 | 2020-07-14 | 三菱电机株式会社 | Switching device |
| CN111418122B (en) * | 2017-12-07 | 2022-03-01 | 三菱电机株式会社 | Switching device |
| CN114013862A (en) * | 2022-01-06 | 2022-02-08 | 杭州斯诺康技术有限公司 | Waterproof type equipment dustbin |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2010097911A1 (en) | 2012-08-30 |
| WO2010097911A1 (en) | 2010-09-02 |
| JP5108144B2 (en) | 2012-12-26 |
| CN102326308B (en) | 2014-08-27 |
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