CN102568725B - Lightning arrester - Google Patents

Lightning arrester Download PDF

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Publication number
CN102568725B
CN102568725B CN201110384069.5A CN201110384069A CN102568725B CN 102568725 B CN102568725 B CN 102568725B CN 201110384069 A CN201110384069 A CN 201110384069A CN 102568725 B CN102568725 B CN 102568725B
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mentioned
post
laminated component
insulation board
insulation
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CN102568725A (en
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倉石正寛
綿引聡史
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Hitachi Ltd
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Hitachi Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12Overvoltage protection resistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C1/00Details
    • H01C1/01Mounting; Supporting
    • H01C1/014Mounting; Supporting the resistor being suspended between and being supported by two supporting sections
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/18Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material comprising a plurality of layers stacked between terminals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00Overvoltage arresters using spark gaps
    • H01T4/08Overvoltage arresters using spark gaps structurally associated with protected apparatus

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)

Abstract

The present invention provides a lightning arrestor, which can prevent the deformation of lamination component columns and the damage of the side surface of nonlinear resistor components, caused by conveying or external vibration such as earthquake. At a position not blocking the periphery of the nonlinear resistor components (2A, 2B, 2C) laminated on the lamination component column (1A, 1B, 1C), there is provided an insulating supporting column (4). The first and second connection insulating plates (51, 52) respectively arranged between lamination component columns (1A, 1B) and between the lamination component columns (1B, 1C) are provided with a convex portion (51a, 52a) protruding from the insulating supporting column (4) side of the periphery of the nonlinear resistor components to form an isosceles triangle, and at least one group of them is adopted. Additionally, the convex portion (51a, 52a) of the first and second connecting insulating plates (51, 52) are embedded into the insulating supporting column (4).

Description

Lightning arrester
Technical field
The present invention relates to the lightning arrester being made up of multiple laminated component posts, the present invention particularly carries about improving opposing, and the mechanical strength of the vibration of earthquake etc., prevents the lightning arrester of the damage of each component columns.
Background technology
Electric power is produced by long-range atomic energy, waterpower or heat power station, by overhead transmission line, and through long-distance, with higher voltage, the built on stilts transformer station that needs ground periphery that is transported to.Because overhead transmission line is by intermountain portion, therefore because of the phenomenon of the thunder in natural phenomena, be subject to the impact of abnormal voltage.
Just in case thunderbolt falls within on overhead transmission line, the transmission facility of transformer station, such as, gas insulation opening and closing arrangement (below referred to as " GIS "), breaker, circuit breaker, transformer etc. are subject to the impact of abnormal voltage, because insulation breakdown occurs overvoltage.Consequently, the electric power system of transformer station, in ground state, by transmission facility damage, causes transmitting electricity.Adopt lightning arrester, to suppress the overvoltage of thunder, the converting equipment of protection transformer station.
In lightning arrester, substantially, by series overlapping the nonlinear resistive element (below referred to as " element ") of multiple zinc oxide (ZnO) with nonlinear resistance property etc., form laminated component post.In addition, in ring-like element, will run through the insulating bar at laminated component Zhu center, the insulation supporter post that is arranged at the surrounding of laminated component post is fixed on the upper and lower mounting panel of laminated component post, thus, and supporting laminated component post.
But, if in high voltage, linearly element is stacked and in the structure of laminated component post that forms, the size of the stacked direction of lightning arrester is long, is difficult to be used as the lightning arrester being connected with the GIS that wishes reduced size.Thus, people adopt according to multiple laminated component posts that are set up in parallel, and by bonding conductor and insulation board, by being electrically connected between each laminated component post, are received in the lightning arrester in airtight container, dwindle the size of stacked direction.
But even like this, for the size of the stacked direction of lightning arrester, length more than certain size is necessary, thus, has mechanical strength deficiency, because carrying, the vibration of earthquake etc., the danger of the fracture such as insulating bar.So, be in the special lightning arrester that discloses record in 7-No. 29665 documents (patent documentation 1) of JP, carry in order to improve opposing, the intensity of the vibration of earthquake etc., be set up in parallel laminated component post, and insulation supporter post is directly contacted and is supported on the outside of each laminated component post, thus, improve intensity.
But, as the lightning arrester of sharp document 1, in the distortion in order to prevent the component columns causing because of external vibration, by the directly contact and be supported on the occasion on the outside of each laminated component post of insulation supporter post, have because of vibration, by the danger of the side damage of element.And then, because the insulation processing portion of the side of element is damaged, have at component side face and be short-circuited, the problem that the function of lightning arrester cannot realize.
In addition, in clear 63-No. 250102 documents of TOHKEMY (patent documentation 2), record following type, wherein, by stacked to element and insulation board, while forming laminated component post, by the stacked number of elements difference of each laminated component post.In addition, be set up in parallel multiple laminated component posts, and will between the element of each laminated component post, connect successively by connecting line, form lightning arrester, thus, to suppress height dimension compared with low degree.
As the lightning arrester of patent documentation 2, equally by arranged side by side multiple laminated component posts, and pass through connecting line, by the occasion of connecting between the element of each laminated component post, form following supporting structure, wherein, identical with above-mentioned patent documentation 1, in order to prevent the distortion of the component columns that external vibration causes, can adopt insulation supporter post, improve mechanical strength.
The object of the present invention is to provide a kind of lightning arrester, wherein, the mechanical strength of multiple laminated component posts can improve, and can prevent the damage of the side of the element that forms laminated component post, and the stability of performance can improve.
Summary of the invention
Lightning arrester of the present invention is such, wherein, stacked nonlinear resistive element and insulation board, and at the center of above-mentioned nonlinear resistive element and above-mentioned insulation board, run through insulating bar, form laminated component post, three above-mentioned laminated component posts are set side by side, between the above-mentioned nonlinear resistive element of two above-mentioned laminated component posts of adjacency, connection insulation board is set, form structure group, pass through bonding conductor, by electricity series connection between the nonlinear resistive element of above-mentioned each laminated component post, said structure group forms in the following manner, which is: above-mentioned laminated component post is arranged at respectively the summit of imaginary right-angled triangle, near the mid point on the base of above-mentioned imaginary right-angled triangle, and in the position periphery of above-mentioned nonlinear resistive element not being hindered, insulation supporter post is set, above-mentioned connection insulation board forms by least one group in the first and second connection insulation boards, this the first and second connections insulation board is provided with the portion of heaving of heaving in the above-mentioned insulation supporter post side of the periphery of above-mentioned nonlinear resistive element, be isosceles triangle shape, above-mentioned first and second connect the respective plate of insulation boards be arranged at and be located at above-mentioned imaginary right-angled triangle right angle portion above-mentioned laminated component post and adjacent one or and the predetermined sustained height position of another above-mentioned laminated component post between, and arrange above-mentioned first and connect the height and position that insulation board is different from the second connection insulation board, and the portion of heaving of above-mentioned the first and second connection insulation boards is embedded on above-mentioned insulation supporter post.
In addition, lightning arrester of the present invention is such, wherein, stacked nonlinear resistive element and insulation board, and at the center of above-mentioned nonlinear resistive element and above-mentioned insulation board, run through insulating bar, form laminated component post, three above-mentioned laminated component posts are set side by side, between the above-mentioned nonlinear resistive element of two above-mentioned laminated component posts of adjacency, connection insulation board is set, form structure group, pass through bonding conductor, by electricity series connection between the nonlinear resistive element of above-mentioned each laminated component post, in said structure group, above-mentioned laminated component post is arranged at respectively the summit of imaginary right-angled triangle, by being arranged on the laminated component post of right angle portion of above-mentioned imaginary right-angled triangle, with with or another the above-mentioned laminated component post of laminated component post adjacency that is arranged at right angle portion, form respectively imaginary triangle, and in the position periphery of above-mentioned nonlinear resistive element not being hindered, the first insulation supporter post or the second insulation supporter post are set, above-mentioned connection insulation board forms by least one group in the first and second connection insulation boards, this the first and second connections insulation board is provided with the portion of heaving of heaving in the above-mentioned insulation supporter post side of the periphery of above-mentioned nonlinear resistive element, be isosceles triangle shape, above-mentioned first and second connect the respective plate of insulation boards be arranged at and be located at above-mentioned imaginary right-angled triangle right angle portion above-mentioned laminated component post and adjacent one or and the predetermined sustained height position of another above-mentioned laminated component post between, and arrange above-mentioned first and connect the height and position that insulation board is different from the second connection insulation board, and the portion of heaving of the above-mentioned first or second connection insulation board is embedded on above-mentioned the first insulation supporter post or the second insulation supporter post.
Also have, lightning arrester of the present invention is such, wherein, stacked nonlinear resistive element and insulation board, and at the center of above-mentioned nonlinear resistive element and above-mentioned insulation board, run through insulating bar, form laminated component post, three above-mentioned laminated component posts are set side by side, between the above-mentioned nonlinear resistive element of two above-mentioned laminated component posts of adjacency, connection insulation board is set, form structure group, pass through bonding conductor, by electricity series connection between the nonlinear resistive element of above-mentioned each laminated component post, the mode that said structure group is arranged on straight line according to above-mentioned each laminated component post forms, by being arranged at the above-mentioned laminated component post at center and or another above-mentioned laminated component post of adjacency, form respectively imaginary triangle, and in the position periphery of above-mentioned nonlinear resistive element not being hindered, the first insulation supporter post or the second insulation supporter post are set, above-mentioned connection insulation board forms by least one group in the first and second connection insulation boards, this the first and second connections insulation board is provided with the portion of heaving of heaving in the above-mentioned insulation supporter post side of the periphery of above-mentioned nonlinear resistive element, be isosceles triangle shape, above-mentioned first and second connect the respective plate of insulation boards be arranged at and be located at above-mentioned imaginary right-angled triangle right angle portion above-mentioned laminated component post and adjacent one or and the predetermined sustained height position of another above-mentioned laminated component post between, and arrange above-mentioned first and connect the height and position that insulation board is different from the second connection insulation board, and the portion of heaving of the above-mentioned first or second connection insulation board is embedded on above-mentioned the first insulation supporter post or the second insulation supporter post.
In lightning arrester of the present invention, due in the position periphery of the element in each laminated component post not being hindered, insulation supporter post is set, and by connecting insulation board, to between each laminated component post and between each laminated component post and insulation supporter post, be connected, therefore mechanical strength improves.In addition, even due to from outside, apply vibration, the side of insulation supporter post and element still can directly not contact, thus can prevent the damage of the side of element, and then the stability of the performance of lightning arrester improves.
Brief description of the drawings
Fig. 1 is the transverse sectional view that represents an embodiment of lightning arrester of the present invention.
Fig. 2 is the profile stretch-out view of a-b-c of hatching line portion of the lightning arrester shown in Fig. 1.
Fig. 3 is for watching a part of side sectional view of the lightning arrester shown in Fig. 1 from d-d direction.
Fig. 4 is the laminated component post 1A in the E portion of presentation graphs 3, the amplification detail drawing of the connection status of 1B.
Fig. 5 is the top view of bonding conductor.
Fig. 6 is the transverse sectional view of the lightning arrester of the present invention of constitutional diagram 1.
Fig. 7 is the transverse sectional view of the lightning arrester of another embodiment of the present invention.
Fig. 8 is the transverse sectional view of the lightning arrester of the present invention of constitutional diagram 7.
Fig. 9 is the also transverse sectional view of the lightning arrester of an embodiment of the present invention.
Figure 10 is the transverse sectional view of the lightning arrester of the present invention of constitutional diagram 9.
Embodiment
Embodiment 1
According to being applicable to accompanying drawing, embodiments of the invention are elaborated below.In the lightning arrester of the present embodiment shown in Fig. 1, adopt Fig. 2 and in the back describe three laminated component post 1A, 1B, 1C is arranged side by side, and is arranged at respectively the summit of imaginary right angled isosceles triangle, forms a structure group.That is, structure group as shown in Figure 1, in the right angle of imaginary right angled isosceles triangle apex portion, arranges laminated component post 1B, one and another two apex portion, laminated component post 1A and 1C is set.The quantity of these structure groups corresponding to be contained in sealed container interior lightning arrester necessary capacity and suitably adjust.
Form each laminated component post 1A, 1B, the element 2A of 1C, 2B, 2C is shape ringwise.In addition, in the middle of them, connect insulating bar 3A is set respectively, 3B, 3C, thus, keeps each laminated component post 1A, 1B, the shape of 1C.In addition, insulation supporter post 4 is according to being stacked and placed on each laminated component post 1A, 1B, and the element 2A on 1C, 2B, the mode that the periphery of 2C does not hinder keeps certain distance and arranges.Here, insulation supporter post 4 is arranged near the mid point on base of imaginary right angled isosceles triangle.Thus, insulation supporter post 4 be arranged in Fig. 1, by insulating bar 3A, 3C center connect line on.
At laminated component post 1A, 1B, in 1C, at regular intervals, stacked first and second connect insulation board 51,52, with the bonding conductor 71,72 that adopts Fig. 5 and describe in the back.First connects insulation board 51 is arranged at the laminated component post 1A of predetermined sustained height, between 1B, connects, and in addition, second connects insulation board 52 is arranged at predetermined sustained height laminated component post 1B, between 1C, connects.
The first and second connection insulation boards 51,52 are one group according to two, near different height both sides are arranged at.In addition, adopt bonding conductor 71,72, so that as described later, by laminated component post 1A, 1B, the element 2A of 1C, between 2B, with laminated component post 1B, the element 2B of 1C, is electrically connected between 2C.
First and second connect insulation board 51,52 comprises respectively element 2A, 2B, the bellying 51a that insulation supporter post 4 sides of the periphery of 2C bloat, 52a, the shape of formation isosceles triangle.By making to connect the bellying 51a of insulation board 51,52,52a and insulation supporter post 4 are chimeric, by each laminated component post 1A, and 1B, 1C is fixed bearing integrally.
Laminated component post 1A, 1B, 1C forms in the following manner, and which is: shown in Fig. 2, along stacked direction, respectively by such combination of recording in patent documentation 2, by annular element 2A, 2B, 2C, insulation board 6 and bonding conductor 70 are stacked.
; in the example of Fig. 2; the laminated component post 1B that is arranged at the centre on the summit of imaginary right-angled triangle forms in the following manner, and which is: often replace alternately overlapped components 2A and insulation board 6A, the insulating bar 3A that makes to erect in bottom end plate 14 connects.In addition, laminated component post 1A with laminated component post 1B adjacency, 1C forms in the following manner, which is: from three, alternately make an element 2A, 2C and an insulation board 6A, 6C and stacked, form in the following manner respectively, which is: make to erect the insulating bar 3A in bottom end plate 14,3C runs through.
In addition, above-mentioned insulation supporter post 4 according to insulating bar 3A, 3B, 3C is identical, erects in bottom end plate 14, its top ends is mechanically connected with top metal part 10.
In addition, at each laminated component post 1A of the present embodiment, 1B, the position of the predetermined altitude direction of 1C, spacing according to the rules, stacked above-mentioned first and second connect two groups of insulation board 51,52.First and second connect insulation boards 51,52 replaces insulation board 6A, 6B, 6C and arranging.In addition, first and second of the example of Fig. 2 connect insulation board 51,52 according to clamp an element 2A, 2B, 2C between stacked direction and with different heightstacked, still, the mode that also can exceed the element of the quantity of this quantity according to clamping forms.
First and second connect insulation board 51,52 for by by connecting between each laminated component post 1A and 1B and 1B and 1C, make these heave the 52a of portion, and 52b is embedded on insulation supporter post 4, increases the mechanical intensity of structure group.Thus, first and second connect insulation board 51,52 according to passing through each laminated component post 1A, 1B, and the stack height size of 1C, the mode that changes magnitude setting and position is used.
Such as, at each laminated component post 1A, 1B, when the stack height size of 1C is low, a near position their pars intermedia, the first and second one groups of connecting insulation boards 51,52 arrange according to the mode that forms the discrepancy in elevation.In addition, as shown in Figure 2, each laminated component post 1A, 1B, when the stack height size of 1C is high, taking their pars intermedia as border, at two upper and lower positions, two groups arrange in the modes that form the discrepancy in elevation, or such with its upper and lower position near pars intermedia, at the position of mechanical strength that can increase structure group, with the interval of fixing, arrange according to the mode that forms the discrepancy in elevation.
On the element 2A of the top of laminated component post 1A, the cylinder conductor 8 that adjusted size is used is set.On cylinder conductor 8, spring 9A is set.In addition, on spring 9A, top metal part 10 is set, by nut 11A, is fixed, thus, bear the power of spring 9A.In addition, at laminated component post 1B, in the top syndeton of 1C, replace the cylinder conductor 8 in laminated component post 1A, adjusted size parts 19 are set, still, because other aspect is identical structure, therefore omit its description.
Like this, from top to each laminated component post 1A, 1B, 1C exerts pressure, and they is fixed, even, still do not move from outside vibration in the case of being subject to.In addition, by by cylinder conductor 8 and adjusted size parts 19, adjust the mode of the deflection of spring 9, adjust the power of spring 9.On the other hand, each laminated component post 1A, 1B, the bottom of 1C is situated between and is provided with dielectric support 13, laminated component post 1A, 1B, the entirety of 1C is passed through insulating bar 3A, 3B, 3C, is fixed in bottom end plate 14.
Here, cylinder conductor 8 and top metal part 10 are electrically connected by short-circuit conductor 12.In addition, each laminated component post 1A, 1B, distinguishes bonding conductor 71,72 and electricity series winding between 1C.Bonding conductor 2A, 2B, 2C is as shown in Fig. 5, by being stacked and placed on each laminated component post 1A, 1B, the cylindrical portion 71a on 1C, 72a, and by each laminated component post 1A, 1B, the element 2A of 1C, 2B, the connecting portion 71b connecting between 2C, 72b forms.These bonding conductors 71,72, centered by the element 2B of laminated component post 1B of centre on summit that is arranged at imaginary right-angled triangle, alternately will be connected with the laminated component post 1B of this element 2B adjacency and element 2A and the element 2C of 1C., element 2A is directly connected by bonding conductor 70 with element 2C.
The stacked structure of Fig. 3 is identical with the expanded view of Fig. 2, adopts same label, omits its description.Shown in Fig. 4 that the E portion of Fig. 3 is amplified, via the first connection insulation board 51, laminated component post 1A is mechanically connected with 1B.In addition,, via the second connection insulation board 52, laminated component post 1B is not shown with the laminated component post 1C(that the depth direction along paper arranges) be connected.
Below according to Fig. 2, to each laminated component post 1A, 1B, the electric path between 1C is specifically described.First,, as aforementioned, via top metal part 10, short-circuit conductor 12, is electrified stream with the element 2A at the top of laminated component post 1A.Then, via bonding conductor 71,2B is electrified stream with element, and via bonding conductor 72,2C is electrically connected with element in addition.
Then, shown in Fig. 2, on one side according to bonding conductor 72, element 2B, bonding conductor 71, element 2A, bonding conductor 71, the order of element 2B comes and goes on basic path, forms the electric pathway between each laminated component post 1 on one side.In addition, in each laminated component post 1A, by earth terminal 15, the element 2A ground connection of foot will be stacked and placed on.
As described above, in lightning arrester of the present invention, by connecting the bellying 51a of insulation board 51, by each laminated component post 1A, between 1B and insulation supporter post 4, one connects, by connecting the bellying 52a of insulation board 52, by each laminated component post 1B, between 1C and insulation supporter post 4, one connects, and thus, the mechanical strength of lightning arrester entirety improves.So, can suppress the vibration that external cause causes, can seek the raising of the vibration strength of lightning arrester.
In addition, according to not to being stacked and placed on each laminated component post 1A, 1B, the element 2A on 1C, 2B, the mode that the periphery of 2C hinders, keeps certain distance and insulation supporter post 4 is set.Thus, even from outside, apply in the situation of vibration, insulation supporter post 4 and element 2A, 2B, 2C is not directly contact still, like this, can prevent their damage, and then the stability of the performance of lightning arrester improves.
Fig. 6 represents four lightning arresters that structure group forms by the structure identical with the basic structure group shown in above-mentioned Fig. 1.That is, this lightning arrester is the occasion that four structure groups 100,200,300,400 are arranged side by side, and the fixed structure of each structure group is strengthened.In addition, for the structure division identical with the structure group of Fig. 1, adopt same label, it illustrates omission.
The lightning arrester of the present embodiment is according to relatively keeping point-symmetric mode that structure group 100,200,300 is set by the center of the same imaginary circle shown in the dotted line in Fig. 6, and 400.That is, the laminated component post 1A of a structure group of adjacency, 1B, with the laminated component post 1C of another structure group, 1B is according to arranging by the mode of facing in the face of portion 16.Such as, the laminated component post 1A of structure group 100, the laminated component post 1C of 1B and structure group 200,1B arranges the mode of portion 16 according to forming surface.In the lightning arrester of the present embodiment, in the corresponding space in the face of portion 16 of the structure group of such adjacency, not to being stacked and placed on each laminated component post 1A, 1B, 1C(original text is 2A, and 2B, 2C, is wrong) on element 2A, 2B, the position that 2C hinders, arranges four insulating cylinders 17 one at a time.
Insulating cylinder 17 by such as, at sustained height place, by the laminated component post 1A of structure group 100, what between 1B, connect first connects the connecting portion 51b of insulation board 51; With at sustained height, and at the height that is different from the first connection insulation board 51, by the laminated component post 1B of structure group 200, the second connecting portion 52b clamping that connects insulation board 52 connecting between 1C.In addition, connecting portion 51b, 52b is and is being stacked and placed on each laminated component post 1A, 1B, the element 2A on 1C, 2B, insulating cylinder 17 sides of the periphery of 2C are heaved, and recessed so that the shape of clamping insulating cylinder 17.That is, insulating cylinder 17 and element 2A, 2B, 2C does not hinder mutually.
As above, in the lightning arrester of the present embodiment, each laminated component post 1A of four structure groups, 1B, 1C is by being embedded in the 51a of the portion of heaving of each connection insulation board 50, the amounting to the insulation supporter post 4 of four of 52a and fix, and by each structure group via the connecting portion 51b that amounts to four insulating cylinders 17 and each connection insulation board 50,52b and mechanically connection mutually.Like this, even in the situation that multiple structure group is set, still by the quantity corresponding to structure group, adjust the quantity of insulation supporter post 4 and insulation supporter cylinder 17, mechanical strength improves.So, can suppress the vibration that external cause causes, can seek the raising of the vibration strength of lightning arrester.
In addition, due to according to not to being stacked and placed on each laminated component post 1A, 1B, element 2A on 1C, 2B, the mode that the periphery of 2C hinders, keeps certain distance and insulation supporter post 4 and insulating cylinder 17 is set, even therefore in the situation that applying vibration, they are not directly contact still, can prevent element 2A, 2B, the damage of 2C, and then the stability of the performance of lightning arrester improves.
In addition, keep point-symmetric mode to arrange in each structure group of lightning arrester according to the center of relatively same imaginary circle, and be arranged at and approach and be the occasion of the inside of closed container (not shown) cylindraceous, can dwindle the diameter of closed container.
Embodiment 2
Fig. 7 represents the lightning arrester of the fixed structure of the structure group that changes above-described embodiment 1.Due to the laminated component post 1A of this lightning arrester, 1B, the basic structure of 1C and electrical connection are identical with embodiment 1, therefore adopt same label, it illustrates omission.
In this lightning arrester, forming laminated component post 1A, the position on the summit of 1B and imaginary isosceles triangle, arranges insulation supporter post 4a, this external formation laminated component post 1B, the position on the summit of 1C and imaginary isosceles triangle, arranges another insulation supporter post 4b.Here, two insulation supporter post 4a, 4b is according to being stacked and placed on each laminated component post 1A, 1B and 1B, the element 2A on 1C, 2B and 2B, the mode that the periphery of 2C hinders, keeps certain distance and arranges.
Insulation supporter post 4a is by sustained height and by laminated component post 1A, and what between 1B, connect first connects insulation board 51, and with laminated component post 1A, 1B is integral and connect.Another insulation supporter post 4b connects insulation board 52 by second, with laminated component post 1B, the integral connection of 1C, this second connect insulation board 52 at sustained height by laminated component post 1B, between 1C, connect, and this height is at the height that is different from the first connection insulation board 51.Here, insulation supporter post 4 is same as the previously described embodiments, runs through the 51a of the portion of heaving of the first and second connection insulation boards 51,52,52a.
In this lightning arrester, owing to passing through two insulation supporter post 4a, 4b, fixes a structure group, therefore compare with the scheme of embodiment 1, mechanical strength improves.So, can further suppress the vibration that external cause causes, can seek the further raising of the vibration strength of lightning arrester.
In addition, due to according to not to being stacked and placed on each laminated component post 1A, 1B, element 2A on 1C, 2B, the mode that the periphery of 2C counteracts, keep certain distance and insulation supporter post 4a is set, 4b, therefore even from outside, apply in the situation of vibration element 2A, 2B, 2C does not still directly contact with insulation supporter post 4, like this, can prevent their damage, and then the stability of the performance of lightning arrester improves.
Fig. 8 represents four lightning arresters that structure group form identical with the structure group shown in above-mentioned Fig. 7 by its structure.That is, this lightning arrester is the occasion that identical four structure groups 500,600,700,800 are set side by side, and each structure group combination is arranged, and strengthens thus fixed structure.In addition, for the structure division identical with the structure group of Fig. 7, adopt same label, it illustrates omission.
This lightning arrester keeps point-symmetric mode that structure group 500,600,700 is set according to the center of the same imaginary circle relatively being represented by the dotted line in Fig. 8, and 800.That is, the laminated component post 1A of a structure group of adjacency, 1B, with the laminated component post 1C of another structure group, 1B is according to arranging by the mode of facing in the face of portion 16.
At this in the face of the space of portion 16, and not to being stacked and placed on each laminated component post 1A, 1B, the element 2A on 1C, 2B, the position that 2C hinders, one at a time according to the quantity that amounts to four, arranges the insulation supporter post 4a shared with the structure group of adjacency, 4b.In addition, these four insulation supporter post 4a, 4b is by being connected the 51a of the portion of heaving of insulation board 51,52 with first and second, and 52a is chimeric, mechanically securely by laminated component post 1A, 1B, 1C fixes.
Such as, be that sustained height is by the laminated component post 1A of structure group 500, the 51a of the portion of heaving of the first connection insulation board 51 connecting between 1B, with at sustained height by the laminated component post 1C of structure group 600, the 52a of the portion of heaving of the second connection insulation board 52 connecting between 1B is upper, chimeric total insulation supporter post 4a.Here, first and second of each structure group the connection insulation boards 51,52 are stacked and placed on different At The Heights.
In this lightning arrester, due to can be in the case of not arranging the such new parts of the insulating cylinder 17 shown in Fig. 6, by share insulation supporter post 4a in the structure group of adjacency, the simple structure of 4b, by laminated component post 1A, 1B, 1C fixes, therefore the mechanical strength of each structure group improves.So, can suppress cost on one side, suppress the vibration that external cause causes on one side, can seek the raising of the vibration strength of lightning arrester.
Further, according to not to being stacked and placed on laminated component post 1A, 1B, the element 2A on 1C, 2B and 2B, the mode that the periphery of 2C hinders, keeps certain distance and insulation supporter post 4 is set.Thus, even in outside, lightning arrester is applied in the situation of vibration, insulation supporter post 4 and element 2A, 2B, 2C is not directly contact still, thus, can prevent their damage, and then the stability of the performance of lightning arrester improves.
In addition, owing to keeping point-symmetric mode that each structure group is set according to the center of relatively same imaginary circle, and can be arranged at and approach and be the inside of closed container (not shown) cylindraceous, thus can be identical with above-mentioned example, dwindle the diameter of closed container.
Embodiment 3
Fig. 9 represents to change three laminated component post 1A that form structure group, 1B, the lightning arrester of the configuration of 1C.That is, in this lightning arrester, three laminated component post 1A, 1B, 1C is arranged on straight line.Due to the laminated component post 1A of this lightning arrester, 1B, the basic structure of 1C is identical with embodiment 1 with electrical connection, therefore adopt same label, it illustrates omission.
In addition,, in this lightning arrester, insulation supporter post 4c is arranged at and forms laminated component post 1A, the position on the summit of 1B and imaginary isosceles triangle.In addition, another insulation supporter post 4d is arranged at and forms laminated component post 1B, the position on the summit of 1C and imaginary isosceles triangle.Here, at two insulation supporter post 4c, in 4d, according to not to being stacked and placed on laminated component post 1A, 1B, the element 2A on 1C, 2B and 2B, the mode that the periphery of 2C hinders, keeps certain distance, and the mode that insulation supporter post 4 is positioned on straight line arranges.
Insulation supporter post 4c by sustained height by laminated component post 1A, what between 1B, connect first connects insulation board 51 and each laminated component post 1A, 1B integrally connects.In addition, another insulation supporter post 4d connects insulation board 52 and laminated component post 1B by second, and 1C integrally connects, this second connect insulation board 52 in sustained height by laminated component post 1B, between 1C, connect, and this is highly different from the height of the first connection insulation board 51.Here, insulation supporter post 4c, 4d is identical with aforesaid each embodiment, is connected the 51a of the portion of heaving of insulation board 51,52 with first and second, and 52a is chimeric.
Like this, same in the layout corresponding to lightning arrester, laminated component post 1A, 1B, 1C is arranged in the structure group of the present invention on straight line, can improve laminated component post 1A, 1B, the mechanical strength of 1C.Particularly in the present embodiment, owing to passing through two insulation supporter post 4c, 4d, fixes a structure group, therefore compare with embodiment 1, can further improve laminated component post 1A, 1B, the mechanical strength of 1C.So the vibration can the external cause of inhibitory action on lightning arrester causing, also can seek the further raising of the vibration strength of lightning arrester.
In addition, according to not to being stacked and placed on laminated component post 1A, 1B, the element 2A on 1C, 2B, the mode that the periphery of 2C hinders, keeps certain distance and insulation supporter post 4c is set, 4d.Thus, though in vibration from external action is in lightning arrester in the situation that, insulation supporter post 4c, 4d and element 2A, 2B and 2B, 2C is not directly contact still, thus, can prevent their damage, and then the stability of the performance of lightning arrester improves.
Figure 10 represents two lightning arresters that structure group form identical with the structure group shown in above-mentioned Fig. 9 by its structure.That is, this lightning arrester is the occasion that two the structure groups 900,1000 identical with Fig. 9 are set side by side and symmetrically, by each structure group combination, arranges symmetrically, strengthens fixed structure.In addition, for the structure identical with the structure group of Fig. 9, adopt same label, it illustrates omission.
In this lightning arrester, at each laminated component post 1A of the structure group 900,1000 of adjacency, 1B, 1C in the face of in portion 18, and not to being stacked and placed on the element 2A on each laminated component post 1,2B and 2B, the position that the periphery of 2C hinders, arranges two insulating cylinders 17.,, by four insulation supporter post 4c, 4d and two insulating cylinders 17, fix two structure groups.
Insulating cylinder 17 such as, by at sustained height and by the laminated component post 1A of structure group 900, the connecting portion 51b of the first connection insulation board 51 connecting between 1B, with at sustained height and by the laminated component post 1A of structure group 1000, the first connecting portion 51b clamping that connects insulation board 51 connecting between 1B.In addition, these two the first connecting portion 51b that connect insulation board 51 are at the element 2A being stacked and placed on each laminated component post 1,2B and 2B, and insulating cylinder 17 sides of the periphery of 2C are heaved, but recessed so that the shape of clamping insulating cylinder 17.That is, insulating cylinder 17 and element 2A, 2B and 2B, 2C does not hinder mutually.
Even like this, corresponding to the layout of lightning arrester, laminated component post 1A, 1B, 1C is arranged at structure group on straight line according in the situation of multiple settings, by the quantity corresponding to structure group, adjust insulation supporter post 4c, the quantity of 4d and insulation supporter cylinder 17, mechanical strength still improves.So the vibration can the external cause of inhibitory action on lightning arrester causing, can seek the raising of the vibration strength of lightning arrester.
In addition, according to not to being stacked and placed on laminated component post 1A, 1B, the element 2A on 1C, 2B and 2B, the mode that the periphery of 2C hinders, keeps certain distance, insulation supporter post 4c is set, 4d and insulating cylinder 17.Thus, even vibrating from outside, act in the situation on lightning arrester, they are not directly contact still, can prevent element 2A, 2B and 2B, and the damage of 2C, and then the stability of the performance of lightning arrester improves.
The possibility of utilizing in industry
Best, lightning arrester of the present invention also can be used for the lightning arrester of the various structures of protecting electric equipment.

Claims (6)

1. a lightning arrester, wherein, stacked nonlinear resistive element and insulation board, and at the center of above-mentioned nonlinear resistive element and above-mentioned insulation board, run through insulating bar, form laminated component post, three above-mentioned laminated component posts are set side by side, between the above-mentioned nonlinear resistive element of two above-mentioned laminated component posts of adjacency, connection insulation board is set, form structure group, pass through bonding conductor, by electricity series connection between the nonlinear resistive element of above-mentioned each laminated component post, it is characterized in that, said structure group forms in the following manner, which is: above-mentioned laminated component post is arranged at respectively the summit of imaginary right angled isosceles triangle, near the mid point on the base of above-mentioned imaginary right angled isosceles triangle, and in the position periphery of above-mentioned nonlinear resistive element not being hindered, insulation supporter post is set, above-mentioned connection insulation board forms by least one group in the first and second connection insulation boards, this the first and second connections insulation board is provided with the portion of heaving of heaving in the above-mentioned insulation supporter post side of the periphery of above-mentioned nonlinear resistive element, be isosceles triangle shape, above-mentioned first and second connect the respective plate of insulation boards be arranged at and be located at above-mentioned imaginary right angled isosceles triangle right angle portion above-mentioned laminated component post and adjacent one or and the predetermined sustained height position of another above-mentioned laminated component post between, and arrange above-mentioned first and connect the height and position that insulation board is different from the second connection insulation board, and the portion of heaving of above-mentioned the first and second connection insulation boards is embedded on above-mentioned insulation supporter post.
2. lightning arrester according to claim 1, it is characterized in that, above-mentioned four structure groups keep point-symmetric mode to arrange according to the center of relatively same imaginary circle, and at two laminated component posts of a structure group of adjacency, two spaces that laminated component cylinder is right with another structure group, and in the position periphery of said elements not being hindered, insulating cylinder is set, in addition, this insulating cylinder, by being stacked and placed in the structure group of above-mentioned adjacency, being arranged in the face of above-mentioned first or second on corresponding two the laminated component posts in portion connect insulation board and clamping.
3. a lightning arrester, wherein, stacked nonlinear resistive element and insulation board, and at the center of above-mentioned nonlinear resistive element and above-mentioned insulation board, run through insulating bar, form laminated component post, three above-mentioned laminated component posts are set side by side, between the above-mentioned nonlinear resistive element of two above-mentioned laminated component posts of adjacency, connection insulation board is set, form structure group, pass through bonding conductor, by electricity series connection between the nonlinear resistive element of above-mentioned each laminated component post, it is characterized in that, in said structure group, above-mentioned laminated component post is arranged at respectively the summit of imaginary right angled isosceles triangle, by being arranged on the laminated component post of right angle portion of above-mentioned imaginary right angled isosceles triangle, with with or another the above-mentioned laminated component post of laminated component post adjacency that is arranged at right angle portion, form respectively imaginary triangle, and in the position periphery of above-mentioned nonlinear resistive element not being hindered, the first insulation supporter post or the second insulation supporter post are set, above-mentioned connection insulation board forms by least one group in the first and second connection insulation boards, this the first and second connections insulation board is provided with the portion of heaving of heaving in the above-mentioned insulation supporter post side of the periphery of above-mentioned nonlinear resistive element, be isosceles triangle shape, above-mentioned first and second connect the respective plate of insulation boards be arranged at and be located at above-mentioned imaginary right angled isosceles triangle right angle portion above-mentioned laminated component post and adjacent one or and the predetermined sustained height position of another above-mentioned laminated component post between, and arrange above-mentioned first and connect the height and position that insulation board is different from the second connection insulation board, and the portion of heaving of the above-mentioned first or second connection insulation board is embedded on above-mentioned the first insulation supporter post or the second insulation supporter post.
4. lightning arrester according to claim 3, it is characterized in that, above-mentioned four structure groups keep point-symmetric mode to arrange according to the center of relatively same imaginary circle, and above-mentioned the first and second insulation supporter posts are arranged at respectively two laminated component posts in a structure group of adjacency, in the right space of two laminated component cylinders in another structure group, and in the position periphery of above-mentioned nonlinear resistive element not being hindered, in addition share with the structure group of adjacency, be embedded in heaving in portion of the above-mentioned first or second connection insulation board.
5. a lightning arrester, wherein, stacked nonlinear resistive element and insulation board, and at the center of above-mentioned nonlinear resistive element and above-mentioned insulation board, run through insulating bar, form laminated component post, three above-mentioned laminated component posts are set side by side, between the above-mentioned nonlinear resistive element of two above-mentioned laminated component posts of adjacency, connection insulation board is set, form structure group, pass through bonding conductor, by electricity series connection between the nonlinear resistive element of above-mentioned each laminated component post, it is characterized in that, the mode that said structure group is arranged on straight line according to above-mentioned each laminated component post forms, by being arranged at the above-mentioned laminated component post at center and or another above-mentioned laminated component post of adjacency, form respectively imaginary isosceles triangle, and in the position periphery of above-mentioned nonlinear resistive element not being hindered, the first insulation supporter post or the second insulation supporter post are set, above-mentioned connection insulation board forms by least one group in the first and second connection insulation boards, this the first and second connections insulation board is provided with the portion of heaving of heaving in the above-mentioned insulation supporter post side of the periphery of above-mentioned nonlinear resistive element, be isosceles triangle shape, above-mentioned first and second connect between the above-mentioned laminated component post and adjacent or the predetermined sustained height position of another above-mentioned laminated component post that the respective plate of insulation boards are arranged at the center of being located at, and arrange above-mentioned first and connect the height and position that insulation board is different from the second connection insulation board, and the portion of heaving of the above-mentioned first or second connection insulation board is embedded on above-mentioned the first insulation supporter post or the second insulation supporter post.
6. lightning arrester according to claim 5, it is characterized in that, even number in said structure group arranges according to three opposed facing modes of above-mentioned laminated component post in the structure group of arranged side by side and adjacency, and face portion at it, and in the position periphery of above-mentioned nonlinear resistive element not being hindered, insulating cylinder is set, and this insulating cylinder connects insulation board or above-mentioned second and connects insulation board and clamp by being stacked and placed on respectively above-mentioned first on the above-mentioned laminated component post of structure group of above-mentioned adjacency in addition.
CN201110384069.5A 2010-12-01 2011-11-28 Lightning arrester Active CN102568725B (en)

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JP5823914B2 (en) * 2012-05-25 2015-11-25 株式会社三共 Game machine
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KR20150135486A (en) * 2013-04-26 2015-12-02 지멘스 악티엔게젤샤프트 Encapsulated surge arrester

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KR101880158B1 (en) 2018-07-19

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