CN105514802B - Can charged for replacement two-stage series connection gap lightning stroke flashover protector - Google Patents
Can charged for replacement two-stage series connection gap lightning stroke flashover protector Download PDFInfo
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- CN105514802B CN105514802B CN201610054972.8A CN201610054972A CN105514802B CN 105514802 B CN105514802 B CN 105514802B CN 201610054972 A CN201610054972 A CN 201610054972A CN 105514802 B CN105514802 B CN 105514802B
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- fixing hole
- wire clamp
- lightning stroke
- stroke flashover
- spring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/16—Overvoltage arresters using spark gaps having a plurality of gaps arranged in series
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-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
- H01C7/10—Non-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
- H01C7/12—Overvoltage protection resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/02—Details
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses it is a kind of can charged for replacement two-stage series connection gap lightning stroke flashover protector; high-voltage conducting wires are drawn and are connected in wire clamp seat; the air gap between conduction stick and discharge electrode; lightning stroke flashover protector is set usually not influenceed by power-frequency voltage, switching overvoltage, so as to extend the service life of lightning stroke flashover protector.There is lightning surge, two series gaps can puncture simultaneously, it is ensured that lightning stroke flashover protector effective action, controlling the discharge path of electric arc, limiting the amplitude of lightning surge, prevent insulator arc-over accident.Because whole lightning stroke flashover protector structure is divided into high pressure and operable two parts, centre is kept apart with plug, so as to ensure when 10kV overhead transmission lines are normally run, during operating personnel's dismounting lightning stroke flashover protector, will not touch high-voltage conducting wires.The conventional instrument link rod of demand system, just easily can remove and install lightning stroke flashover protector in the case of network live.
Description
Technical field
The present invention relates to 10kV Lightning protection of overhead transmission line devices, and in particular to it is a kind of can be between the two-stage series connection of charged for replacement
Gap lightning stroke flashover protector.
Background technology
The lightning surge amplitude of 10kV overhead distributions is high, and discharge time is short, and the insulation water of 10kV distribution lines
Flat low, lightning surge can make insulator occur flashover, and power frequency continued flow is formed on lightning stroke flashover passage makes circuit thunder occur
Hit tripping operation and line-outage contingency.The main cause for causing lightning fault is that arc formation power frequency continued flow is built on lightning stroke flashover passage, is made
Into metallicity disconnecting failure, the temperature of arc root is very high, in a short time can blow wire, even bare conductor, if logical
The electric current crossed is very big, can also blow wire.
Current China 10kV overhead transmission line lightning protection, uses composite insulation cross arm, puncture arc-preventing metal utensil, lightning protection pillar
Insulator and Zinc-Oxide Arrester and the lightning protection device such as Zinc-Oxide Arrester with series connection the air gap, but due in mounting structure
On there is deficiency, these lightning protection devices are in actual moving process, the problem of there is the following aspects：(1) lightning protection is filled
Put after installation and operation, it is impossible to judge the quality of lightning protection device, and its performance quality is detected, it is necessary in power failure shape
Lightning protection device is pulled down and could detected under state；(2) according to the requirement of power system, Zinc-Oxide Arrester class product is in input
Operation must be changed for 5 years, and the enterprise's production for changing and including the economic loss of power system and thus bringing that has a power failure, resident
Life also result in very big loss.
And the 10kV circuits that one power supply administration of county of China is administered at present, few has tens, and many has up to a hundred, thus
From the point of view of, due to the defect on mounting structure, caused economic loss is quite huge.
The content of the invention
The purpose of the present invention be exactly the shortcoming and defect that is to overcome existing lightning protection measures to exist there is provided one kind can it is powered more
The two-stage series connection gap lightning stroke flashover protector changed, can reduce the thunder of circuit while effectively lightning-caused breaking accident is prevented
Trip-out rate is hit, and can be realized under power network normal operation, charged for replacement lightning protection device, so as to reach raising work life
Yield, reduction loss, improve the reliability of power supply.
To achieve the above object, the present invention designed by can charged for replacement two-stage series connection gap lightning stroke flashover protector,
Including Zinc-Oxide Arrester, conduction stick, ball discharge fixation kit, plug and fixed support component, the ball discharge fixation kit
Including the first steel pipe, the first connecting plate for being welded on the ball discharge on first steel pipe one side and being welded on the first steel pipe another side；Institute
Stating fixed support component includes the second steel pipe, is welded on the second connecting plate of second steel pipe one side upper end and is welded on the second steel pipe
The supporting plate of another side bottom；The plug passes through the first steel pipe centre bore of ball discharge fixation kit, and plug upper end is fixed on
In the plug fixing hole of wire clamp seat lower end, plug lower end is fixed in the second steel pipe centre bore of fixed support component；It is described to draw
The conduction stick fixing end of stream rod is fixed in the conduction stick fixing hole of wire clamp seat, arrester stage and the ball discharge fixation kit of the other end
Ball discharge formation first order discharging gap.
The free end of first connecting plate of the ball discharge fixation kit is connected with one end of flute profile pressing plate, flute profile pressing plate
The other end is connected with the upper end of spring, and the lower end of spring is connected with one end of spring pressuring plate, the other end of spring pressuring plate and first
The free end of connecting plate is connected；The high-pressure side screw rod of the Zinc-Oxide Arrester is connected with the lower end of draw ring, the upper end of draw ring with
One end of spring pressuring plate is connected；The low-pressure end screw rod of the Zinc-Oxide Arrester is connected with one end of fixed seat, the fixed seat
The other end be connected with one end of connection component, the other end of connection component is connected with the supporting plate of fixed support component.
Further, one end of the flute profile pressing plate is provided with flute profile pressing plate fixing hole, and the other end of the spring pressuring plate is set
There is spring pressuring plate fixing hole, the free end of the connecting plate of ball discharge fixation kit first is provided with the first fixing hole, and screw rod is successively
Through flute profile pressing plate fixing hole, the first fixing hole and spring pressuring plate fixing hole, by flute profile pressing plate, the first connecting plate and spring pressuring plate
It is connected；The other end of the flute profile pressing plate is provided with the first spring gland for entangling the spring upper end, the spring
The upper surface of tabletting one end is provided with the second spring gland for entangling the lower spring end, the following table of described spring pressuring plate one end
Face forms the shrinkage pool that draw ring upper end draw ring connector is stated in a set of residence, and the lower end of the draw ring is provided with takes shelter from the thunder with the zinc oxide
The high-pressure side fixing threaded hole of device high-pressure side screw rod connection, the side of the draw ring is connected with bracelet.
Further, one end of the fixed seat is provided with the low pressure being connected with the Zinc-Oxide Arrester low-pressure end screw rod
Fixing threaded hole is held, the two sides of the fixed seat center section is respectively provided with the perforation for catching on link rod, the fixed seat center section
Upper surface be provided with the cambered surface being engaged with shell fragment end thereof contacts point, the other end of the shell fragment is provided with and described fixed supported
The corresponding shell fragment fixing hole of the supporting plate fixing hole of component support plate, the other end two sides of the fixed seat be respectively provided with one with
The fixed seat connector that the fixing groove of the connection component other end is engaged, one end upper surface of the connection component be provided with
The corresponding connection component fixing hole of the supporting plate fixing hole of the fixed support component supporting plate, screw rod sequentially passes through connection group
Part fixing hole, supporting plate fixing hole and shell fragment fixing hole, connection component, supporting plate are fixedly connected with shell fragment.
Further, the first order discharging gap is 38~40mm the air gap.
Further, the left and right sides of the wire clamp seat upper end is respectively provided with a screw rod, accordingly, the left and right of wire clamp briquetting
Both sides are respectively provided with a line fixing hole coordinated with screw rod, and the line fixing hole of the wire clamp briquetting passes through the spiral shell of the wire clamp seat
Bar, the wire clamp briquetting and folder of the wire clamp seat formation with grooved hole.
Further, the upper and lower surface of the wire clamp briquetting and respectively there is a upper half circle between two line fixing holes
The diameter of groove, the diameter of the wire clamp briquetting upper surface upper half circular trough and the wire clamp briquetting lower surface upper half circular trough is not
Together, accordingly, the wire clamp seat upper end, which is located between two screw rods, is provided with lower semi-circular groove, the upper half circular trough and described
Lower semi-circular groove is combined to form the slotted eye for accommodating high-voltage conducting wires.
Further, in addition to the opening-like guide in one end, the other end of the guide is provided with and flute profile pressure
The guide fixing hole of the flute profile pressing plate fixing hole connection of plate, the opening-like one end of the guide is kept away towards the zinc oxide
The direction of thunder device.
Further, in addition to by preceding insulating sheath and rear insulating sheath hollow insulating sheath component, institute are combined to form
State insulating sheath component and be radially provided with the threading hole for entangling high-voltage conducting wires, the lower section of the threading hole goes out provided with conduction stick
String holes, the bottom of the insulating sheath component is provided with the wire clamp cover for seat hole for entangling wire clamp seat.
Further, in addition to by the wire clamp seat, ball discharge fixation kit and the compound outer of support component clamping is fixed
Set, the composite sheath uses silicone rubber insulation material；Wrap up one layer of silicon rubber insulation shield in the surface of the conduction stick
Set.
Further, the ball discharge fixation kit and the fixed support component, surface are handled using galvanizing.
Further, the Zinc-Oxide Arrester, which is used, meets DL/T815-2002《Transmission line of alternation current composite sheath
Metal oxide arrester》And GB11032-2000《Alternating current gapless metal oxide arrester》The defined use of two standards
In the Zinc-Oxide Arrester with external series gap for preventing lightning surge He blocking power frequency continued flow.
High-voltage conducting wires are drawn in the present invention and are connected in wire clamp seat, the air gap between conduction stick and discharge electrode makes thunderbolt
Arc protection device will not usually be influenceed by power-frequency voltage, switching overvoltage, so as to extend making for lightning stroke flashover protector
With the life-span, and the air gap is fixed interval (FI), is not influenceed by various natural weathers.There are lightning surge, two series connection
Gap can puncture simultaneously, it is ensured that lightning stroke flashover protector effective action, control the discharge path of electric arc, limit lightning surge
Amplitude, prevent insulator arc-over accident, power frequency continued flow can be quickly blocked in ac zero-crossing point.It is additionally, since oxidation
Zinc arrester has an external series gap, can effectively absorb a part of lightning current, except ensureing that lightning stroke flashover protector has
Effect action is outer, makes the arc-rupturing capacity of lightning stroke flashover protector stronger.
Because whole lightning stroke flashover protector structure is divided into high pressure and operable two parts, high-pressure section is operable on a left side
Part is on the right side, and centre is kept apart with plug, so as to ensure when 10kV overhead transmission lines are normally run, operating personnel's dismounting thunderbolt is dodged
During network protector, high-voltage conducting wires will not be touched, it is ensured that the personal safety of operating personnel and the normal operation of power network.
When needing that lightning stroke flashover protector is detected and changed, the conventional instrument crane of a demand system
Rod, just easily can remove and install lightning stroke flashover protector in the case of network live.
The beneficial effects of the present invention are：
1st, lightning protection device is fundamentally solved under power network normal operation, can powered dismounting and the skill of charged for replacement
Art defect；
2nd, reduce due to have a power failure detection and change lightning protection device, the economic loss brought and give people daily life,
Work the loss brought；
3rd, it is simple to operate, lightning stroke flashover protector can be dismounted and installed using 10kV link rods, do not influence electricity
Power is supplied, and is improved power supply reliability, is reduced the labor intensity of workmen, improves the job security of workmen；
4th, using the pure air gap structure of two-stage series connection, the flashover path of electric arc is effectively controlled, it is ensured that lightning stroke flashover is protected
Device can effective action, arc-rupturing capacity is more stronger than zero-clearance zinc oxide lightning arrester；
5th, suitable for the installation of the various tower structures of 10kV overhead distributions.
Brief description of the drawings
Fig. 1 for the present invention can charged for replacement two-stage series connection gap lightning stroke flashover protector structural representation；
Fig. 2 is the structural representation that Fig. 1 center lines clamp block；
Fig. 3 is the structural representation of wire clamp seat in Fig. 1；
Fig. 4 is the structural representation of conduction stick in Fig. 1；
Fig. 5 is the structural representation of insulating sheath component in Fig. 1；
Fig. 6 is the structural representation of plug in Fig. 1；
Fig. 7 is the structural representation of ball discharge fixation kit in Fig. 1；
Fig. 8 is the structural representation of flute profile pressing plate in Fig. 1；
Fig. 9 is the structural representation of spring in Fig. 1；
Figure 10 is the structural representation of spring pressuring plate in Fig. 1；
Figure 11 is the structural representation of draw ring in Fig. 1；
Figure 12 is the structural representation of guide in Fig. 1；
Figure 13 is the structural representation of fixed seat in Fig. 1；
Figure 14 is the structural representation of connection component in Fig. 1；
Figure 15 is the structural representation of shell fragment in Fig. 1；
Figure 16 is to fix the structural representation of support component in Fig. 1；
Figure 17 is the structural representation of Zinc-Oxide Arrester in Fig. 1.
In figure：Wire clamp briquetting 1 is (wherein：Upper half circular trough 1.1, line fixing hole 1.2)；Wire clamp seat 2 is (wherein：Lower semi-circular
Groove 2.1, screw rod 2.2, conduction stick fixing hole 2.3, plug fixing hole 2.4)；Conduction stick 3 is (wherein：Conduction stick fixing end 3.1, puts
Electrode 3.2, insulating coating 3.3)；Insulating sheath component 4 is (wherein：Threading hole 4.1, conduction stick wire hole 4.2, wire clamp cover for seat hole
4.3, fastener hole 4.4)；Plug 5；Composite sheath 6；Fixation kit 7 discharge (wherein：Ball discharge 7.1, the first steel pipe 7.2, first
Connecting plate 7.3, the first fixing hole 7.4)；Flute profile pressing plate 8 is (wherein：Flute profile pressing plate fixing hole 8.1, the first spring gland 8.2)；
Spring 9；Spring pressuring plate 10 is (wherein：Spring pressuring plate fixing hole 10.1, second spring gland 10.2, shrinkage pool 10.3)；Draw ring 11
(wherein：Draw ring connector 11.1, bracelet 11.2, high-pressure side fixing threaded hole 11.3)；Guide 12 is (wherein：Prerotation vane 12.1, leads
To part fixing hole 12.2)；Fixed seat 13 is (wherein：Low-pressure end fixing threaded hole 13.1, cambered surface 13.2, fixed seat connector 13.3 is worn
Hole 13.4)；Connection component 14 is (wherein：Connection component fixing hole 14.1, fixing groove 14.2)；Shell fragment 15 is (wherein：Shell fragment fixing hole
15.1, contact point 15.2)；Fixed support component 16 is (wherein：Second steel pipe 16.1, supporting plate 16.2, the second connecting plate 16.3,
Second fixing hole 16.4, supporting plate fixing hole 16.5)；Zinc-Oxide Arrester 17 (wherein, high-pressure side screw rod 17.1, ball discharge
17.2, low-pressure end screw rod 17.3, zinc oxide valve plate 17.4).
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 for the present invention designed by can charged for replacement two-stage series connection gap lightning stroke flashover protector, including
Wire clamp briquetting 1, wire clamp seat 2, conduction stick 3, insulating sheath component 4, plug 5, composite sheath 6, ball discharge fixation kit 7, flute profile
Pressing plate 8, spring 9, spring pressuring plate 10, draw ring 11, guide 12, fixed seat 13, connection component 14, shell fragment 15, fixed support group
Part 16 and Zinc-Oxide Arrester 17, wherein：The surface of ball discharge fixation kit 7 and fixed support component 16 is using at galvanizing
Reason.
Zinc-Oxide Arrester 17, which is used, meets DL/T815-2002《Transmission line of alternation current is kept away with composite sheath metal oxide
Thunder device》And GB11032-2000《Alternating current gapless metal oxide arrester》Two the defined of standard are used to prevent thunder and lightning mistake
Voltage and the Zinc-Oxide Arrester with external series gap for blocking power frequency continued flow.The center of Zinc-Oxide Arrester 17 is zinc oxide valve
It is connected with piece 17.4, zinc oxide valve plate 17.4 between two ball discharges 17.2, two ball discharges 17.2 and forms the of 8~12mm
Two-stage discharge gap, can limit lightning surge and block power frequency continued flow.
As shown in figure 3, the left and right sides of the upper end of wire clamp seat 2 is respectively provided with a screw rod 2.2, the upper end of wire clamp seat 2 is located at two spiral shells
Lower semi-circular groove 2.1 is provided between bar 2.2, the lower end of wire clamp seat 2 is provided with plug fixing hole 2.4, and the outer rim level of wire clamp seat 2 is set
It is equipped with conduction stick fixing hole 2.3；Accordingly, as shown in Fig. 2 wire clamp briquetting 1 is each side provided with one and screw rod 2.2
The line fixing hole 1.2 of cooperation, the upper and lower surface of wire clamp briquetting 1 and respectively has a upper semi-circle between two line fixing holes 1.2
The slotted eye of high-voltage conducting wires can be accommodated by being formed after shape groove 1.1, upper half circular trough 1.1 and the pairing of lower semi-circular groove 2.1.Wire clamp briquetting
1 line fixing hole 1.2 is passed through after the screw rod 2.2 of wire clamp seat 2, wire clamp briquetting 1 is formed the folder with grooved hole with wire clamp seat 2,
And tightened with plain cushion, spring washer, nut, fixed high-voltage conducting wires.Also, the present embodiment center line clamps the upper surface upper half circular trough of block 1
1.1 diameter is different from the diameter of the lower surface upper half circular trough 1.1 of wire clamp briquetting 1, is suitable for 10kV overhead transmission line all sizes
The installation of line footpath.
As shown in fig. 7, ball discharge fixation kit 7 includes the first steel pipe 7.2, is welded on the electric discharge on the one side of the first steel pipe 7.2
Ball 7.1 and the first connecting plate 7.3 for being welded on the another side of the first steel pipe 7.2, the free end of the first connecting plate 7.3 is provided with two the
One fixing hole 7.4；As shown in figure 16, fixed support component 16 includes the second steel pipe 16.1, is welded on the second steel pipe 16.1 on one side
Set in second connecting plate 16.3 of upper end and the supporting plate 16.2 for being welded on the another side bottom of the second steel pipe 16.1, supporting plate 16.2
There is a supporting plate fixing hole 16.5, the second connecting plate 16.3 is provided with being fixed in the support angle steel of overhead line structures insulator two the
Two fixing holes 16.4；As shown in fig. 6, plug 5 is made up of high strength glass fiber insulating materials, plug 5 is fixed through ball discharge
The centre bore of the first steel pipe 7.2 of component 7, the upper end of plug 5 is fixed in the plug fixing hole 2.4 of the lower end of wire clamp seat 2, under plug 5
End is fixed in the centre bore of the second steel pipe 16.1 of fixed support component 16, i.e., fix wire clamp seat 2, ball discharge by design requirement
First steel pipe 7.2 of component 7 and the second steel pipe 16.1 of fixed support component 16 are fixed on plug 5, and use particular manufacturing craft pressure
Connect firmly.Also, wire clamp seat 2, ball discharge fixation kit 7 and the fixed outer peripheral edge of support component 16 are also clamped using composite sheath 6,
Composite sheath 6 uses silicone rubber insulation material, and is rolled into composite sheath 6 with particular manufacturing craft die casting, for by whole thunder
The high-pressure side for hitting arc protection device is supported and insulated with low-pressure end.
As shown in figure 4, conduction stick 3 is made up of aluminum alloy materials, conduction stick fixing end 3.1 is fixed on the drainage of wire clamp seat 2
In rod fixing hole 2.3, between the formation first order electric discharge of ball discharge 7.1 of the arrester stage 3.2 and ball discharge fixation kit 7 of the other end
The air gap of gap, i.e. 38~40mm；Also, the insulating sheath 3.3 of one layer of silastic material is wrapped up on the surface of conduction stick 3.
As shown in figure 8, flute profile pressing plate 8 is made up of stainless steel material, one end of flute profile pressing plate 8 is consolidated provided with two flute profile pressing plates
Determine hole 8.1, the other end is provided with the first spring gland 8.2；As shown in Figure 10, spring pressuring plate 10 is made up of stainless steel plate, bullet
The upper surface of the one end of spring tabletting 10 is provided with second spring gland 10.2, and the lower surface of the one end of spring pressuring plate 10 is formed with shrinkage pool
10.3, the other end is provided with two spring pressuring plate fixing holes 10.1；Screw rod sequentially passes through the fixation of flute profile pressing plate fixing hole 8.1, first
Hole 7.4 and spring pressuring plate fixing hole 10.1, by flute profile pressing plate 8, the first connecting plate 7.3 of ball discharge fixation kit 7 and spring pressure
Piece 10 is connected.With reference to shown in Fig. 9, the first spring gland 8.2 of the other end of flute profile pressing plate 8 entangles the upper end of spring 9, bullet
The second spring gland 10.2 of one end upper surface of spring tabletting 10 entangles the lower end of spring 9, passes through the retractility fixed oxygen of spring 9
Change the high-pressure side of zinc arrester 17；With reference to shown in Figure 11, draw ring 11 is made of aluminum alloy materials, includes the draw ring connector of upper end
11.1st, the high-pressure side fixing threaded hole 11.3 of lower end and the bracelet 11.2 of side connection, the shrinkage pool of one end lower surface of spring pressuring plate 10
10.3 entangle the draw ring connector 11.1 of the upper end of draw ring 11, and high-pressure side fixing threaded hole 11.3 and the zinc oxide of the lower end of draw ring 11 are taken shelter from the thunder
The high-pressure side screw rod 17.1 of device 17 is connected, during for charged for replacement, and convenience power system common tool link rod can easily be hooked
Firmly the bracelet 11.2 of draw ring 11, removes Zinc-Oxide Arrester 17.Pass through effectively matching somebody with somebody for flute profile pressing plate 8, spring 9 and spring pressuring plate 10
Close, the high-pressure side of Zinc-Oxide Arrester 7 can be fixed, Zinc-Oxide Arrester is arbitrarily rocked after mounting, and can be led to
Pulling draw ring is crossed, again Zinc-Oxide Arrester can be made to remove.
As shown in figure 12, guide 12 is made up of steel plate, and one end is opening-like, the other end set two respectively with flute profile
The guide fixing hole 12.2 that the flute profile pressing plate fixing hole 8.1 of pressing plate 8 is connected, the opening-like one end of guide is towards the oxygen
Change the direction of zinc arrester 17, during for construction and installation Zinc-Oxide Arrester 17 at the scene, the scope of assigned operation.
As shown in figure 13, fixed seat 13 is made up of aluminum alloy materials, and one end of fixed seat 13 is provided with takes shelter from the thunder with zinc oxide
The low-pressure end fixing threaded hole 13.1 of the low-pressure end screw rod 17.3 of device 17 connection, for fixing Zinc-Oxide Arrester 17；In fixed seat 13
Between the two sides of part be respectively provided with a perforation 13.4, for installing during Zinc-Oxide Arrester 17, facilitate link rod to catch on perforation 13.4,
The upper surface of the center section of fixed seat 13 is provided with cambered surface 13.2；The other end two sides of fixed seat 13 is respectively provided with a fixed seat company
Joint 13.3.As shown in figure 14, connection component 14 is made up of stainless steel material, and one end upper surface of connection component 14 is provided with consolidating
Determine the corresponding connection component fixing hole 14.1 of the supporting plate fixing hole 16.5 of the supporting plate 16.3 of support component 16, other end two sides
The fixing groove 14.2 being engaged with fixed seat connector 13.3 is respectively arranged with, dismounting and peace for Zinc-Oxide Arrester 17
Dress.As shown in figure 15, shell fragment 15 is made up of stainless steel material, and the one end of shell fragment 15 is provided with and is engaged with the cambered surface 13.2 of fixed seat 13
Contact point 15.2, the other end of shell fragment 15 is provided with the phase of supporting plate fixing hole 16.5 with the fixed supporting plate 16.3 of support component 16
Corresponding shell fragment fixing hole 15.1.It is solid that screw rod sequentially passes through connection component fixing hole 14.1, supporting plate fixing hole 16.5 and shell fragment
Determine hole 15.1, connection component 14, supporting plate 16.2 are fixedly connected with shell fragment 15.The cambered surface 13.2 of fixed seat 13 and shell fragment 15
Contact point 15.2 is in close contact, with the curved slip of shell fragment 15 when being easy to fixed seat 13 under installation and removal, and for providing
Lightning current is released in the support angle steel of line insulator.
As shown in Figure 5 to be combined to form hollow insulating sheath component 4 by preceding insulating sheath and rear insulating sheath, by silicon rubber
Glue material casting forming, generally opening shape.Insulating sheath component 4 is radially provided with the threading hole for entangling high-voltage connection
4.1, the lower section of threading hole 4.1 is provided with conduction stick wire hole 4.2, and the bottom of insulating sheath component 4 is provided with the line for entangling wire clamp seat 2
Holder covers hole 4.3.After high-voltage conducting wires are connected, whole high-voltage conducting wires bearing and wire clamp are entangled with insulating sheath component 4
Seat 2, the fixed fastener hole 4.4 of blend rubber nail fixes preceding insulating sheath and rear insulating sheath, prevents the nuisances such as rainwater, dust
Matter corrodes high-voltage conducting wires bearing.
Also, the junction of conduction stick 3 and the conduction stick fixing hole 2.3 of wire clamp seat 2, ball discharge fixation kit in the present embodiment
7 first steel pipes 7.2 are used with the junction of plug 5 and the junction of the fixed steel pipe 16.1 of support component 16 second and plug 5
Particular manufacturing craft crimping is firm.
In Zinc-Oxide Arrester 17 to be dismantled, the link rod commonly used with power system catch on the bracelet 11.2 of draw ring 11 to
It is outer firmly to connect, make Zinc-Oxide Arrester 17 and the perpendicular shape in ground, then the perforation 13.4 of fixed seat 13 is caught on link rod, upwards
Carry with regard to Zinc-Oxide Arrester can be removed；After Zinc-Oxide Arrester is installed, the perforation 13.4 for wanting fixed seat 13 is caught on link rod,
Fixed seat connector 13.3 is accurately put into the fixing groove 14.2 of connection component 14, link rod is then caught on into draw ring 11
Bracelet 11.2, the position of the prerotation vane 12.1 by watching guide 12, firmly Zinc-Oxide Arrester is pushed up, make draw ring
Connector 11.1 is inserted in the shrinkage pool 8.3 of flute profile pressing plate 8, just completes Zinc-Oxide Arrester under power network normal operation
Dismounting and installation.
The present invention operation principle be：
The line fixing hole 1.2 at the two ends of wire clamp briquetting 1 passes through the screw rod 2.2 of the upper end of wire clamp seat 2, is carried with the formation of wire clamp seat 2
The folder of slotted eye, and tightened with plain cushion, spring washer, nut, fixed high-voltage connection.The conduction stick fixing hole 2.4 of wire clamp seat 2, which is fixed, to be drawn
Flow rod one end 3.1, the one 38~40mm primary air of formation of ball discharge 7.1 of the conduction stick other end 3.2 and ball discharge fixation kit 7
Gap, the second steel pipe 16.1 of wire clamp seat 2, the first steel pipe 7.2 of ball discharge fixation kit 7 and fixed support component 16 is fixed
On plug 5.The spring of the flute profile pressing plate fixing hole 8.1 of flute profile pressing plate 8, spring pressuring plate 10 is wanted into fixing hole 10.1 and guide
12 guide fixing hole 12.2 is together on the first fixing hole 7.4 fixed to ball discharge fixation kit 7, and in flute profile pressing plate
A spring 9 is inserted between 8 the first spring gland 8.2 and the second spring gland 10.2 of spring pressuring plate 10；By fixed seat
The shell fragment fixing hole 15.1 of 13 low-pressure end fixing threaded hole 13.1, the connection component fixing hole 14.1 of connection component 14 and shell fragment 15
On the supporting plate fixing hole 16.5 for being fixed to the supporting plate 16.3 of fixed support component 16 together；The second of fixed support component 16
Second fixing hole 7 of connecting plate 16.2 is fixed to screw rod in the support angle steel of overhead line structures；The cambered surface 13.2 of fixed seat 13 with
The contact point 15.2 of shell fragment 15 is in close contact, and the fixing groove 14.2 of fixed seat connector 13.3 and connector 14 is in close contact, and is led to
The angle steel natural grounding of overhead line structures is crossed, makes lightning current one discharge channel of formation.The high-pressure side screw rod of Zinc-Oxide Arrester 17
17.1 connect the high-pressure side fixing threaded hole 11.3 of draw ring 11, and low-pressure end screw rod 17.3 is fixed on the low-pressure end fixing threaded hole of fixed seat 13
13.1, the second level discharging gap for preventing lightning surge and blocking power frequency continued flow is provided with Zinc-Oxide Arrester 17, with
The gap of one-level discharging gap two series connection of formation, it becomes possible to isolate power-frequency voltage, make Zinc-Oxide Arrester 17 almost be not subject to
Voltage, while two series gaps reasonable in design, allow Zinc-Oxide Arrester 17 to be failure to actuate in switching overvoltage, extends oxygen
Change the service life of zinc arrester 17；Under the lightning surge effect that direct lightning strike or induced lightening are produced, two the air gaps are same
When it is breakdown, Zinc-Oxide Arrester 17 present Low ESR, by lightning current release into ground；After lightning impulse, power-frequency voltage loading
On Zinc-Oxide Arrester 17, in ac zero-crossing point, the resistance moment of Zinc-Oxide Arrester 17 becomes big, the electric current passed through i.e. electric arc
Electric current is suppressed in relatively low numerical value, and the air gap arc voltage drop increase, the insulation of the air gap recovers rapidly, and electric arc is in very short time
Interior to extinguish naturally, power frequency continued flow is interdicted completely.
Claims (9)
1. it is a kind of can charged for replacement two-stage series connection gap lightning stroke flashover protector, including Zinc-Oxide Arrester (17), conduction stick
(3), ball discharge fixation kit (7), plug (5) and fixed support component (16), it is characterised in that：The ball discharge fixation kit
(7) include the first steel pipe (7.2), be welded on the ball discharge (7.1) on the first steel pipe (7.2) one side and be welded on the first steel pipe
(7.2) the first connecting plate (7.3) of another side；The fixed support component (16) includes the second steel pipe (16.1), is welded on the
Second connecting plate (16.3) of two steel pipes (16.1) one side upper end and the support for being welded on the second steel pipe (16.1) another side bottom
Plate (16.2)；The plug (5) passes through the first steel pipe (7.2) centre bore of ball discharge fixation kit (7), and plug (5) upper end is solid
In the plug fixing hole (2.4) for being scheduled on wire clamp seat (2) lower end, plug (5) lower end is fixed on the second of fixed support component (16)
In steel pipe (16.1) centre bore；The conduction stick that the conduction stick fixing end (3.1) of the conduction stick (3) is fixed on wire clamp seat (2) is consolidated
Determine in hole (2.3), the arrester stage (3.2) of the other end and ball discharge (7.1) the formation first order electric discharge of ball discharge fixation kit (7)
Gap；
The free end of the first connecting plate (7.3) of the ball discharge fixation kit (7) is connected with one end of flute profile pressing plate (8), groove
The other end of shape pressing plate (8) is connected with the upper end of spring (9), and the lower end of spring (9) is connected with one end of spring pressuring plate (10), bullet
The other end of spring tabletting (10) is connected with the free end of the first connecting plate (7.3)；The high-pressure side of the Zinc-Oxide Arrester (17)
Screw rod (17.1) is connected with the lower end of draw ring (11), and the upper end of draw ring (11) is connected with one end of spring pressuring plate (10)；The oxygen
The low-pressure end screw rod (17.3) for changing zinc arrester (17) is connected with one end of fixed seat (13), the other end of the fixed seat (13)
It is connected with one end of connection component (14), the other end of connection component (14) and the supporting plate (16.2) of fixed support component (16)
It is connected；
The Zinc-Oxide Arrester (17), which uses, meets DL/T815-2002《Transmission line of alternation current composite sheath metal oxide
Arrester》And GB11032-2000《Alternating current gapless metal oxide arrester》Two the defined of standard are used to prevent thunder and lightning
Overvoltage and the Zinc-Oxide Arrester (17) with external series gap for blocking power frequency continued flow；
One end of the flute profile pressing plate (8) is provided with flute profile pressing plate fixing hole (8.1), and the other end of the spring pressuring plate (10) is provided with
Spring pressuring plate fixing hole (10.1), the free end of the connecting plate (7.3) of ball discharge fixation kit (7) first is fixed provided with first
Hole (7.4), screw rod sequentially passes through flute profile pressing plate fixing hole (8.1), the first fixing hole (7.4) and spring pressuring plate fixing hole
(10.1), flute profile pressing plate (8), the first connecting plate (7.3) and spring pressuring plate (10) are connected；The flute profile pressing plate (8)
The other end is provided with the first spring gland (8.2) for entangling the spring (9) upper end, described spring pressuring plate (10) one end it is upper
Surface is provided with the second spring gland (10.2) for entangling the spring (9) lower end, described spring pressuring plate (10) one end
Surface forms the shrinkage pool (10.3) that draw ring (11) upper end draw ring connector (11.1) is stated in a set of residence, the lower end of the draw ring (11)
The high-pressure side fixing threaded hole (11.3) being connected with the Zinc-Oxide Arrester (17) high-pressure side screw rod (17.1) is provided with, it is described to draw
The side of ring (11) is connected with bracelet (11.2).
2. it is according to claim 1 can charged for replacement two-stage series connection gap lightning stroke flashover protector, it is characterised in that：Institute
The one end for stating fixed seat (13) is provided with the low-pressure end that is connected with the Zinc-Oxide Arrester (17) low-pressure end screw rod (17.3) and consolidated
Determine screw (13.1), the two sides of fixed seat (13) center section is respectively provided with the perforation (13.4) for catching on link rod, described solid
The upper surface of reservation (13) center section is provided with the cambered surface (13.2) being engaged with shell fragment (15) end thereof contacts point (15.2), institute
The other end of shell fragment (15) is stated provided with the supporting plate fixing hole (16.5) with fixed support component (16) supporting plate (16.3)
Corresponding shell fragment fixing hole (15.1), the other end two sides of the fixed seat (13) is respectively provided with one and the connection component
(14) the fixed seat connector (13.3) that the fixing groove (14.2) of the other end is engaged, one end upper table of the connection component (14)
Face is provided with the connection component corresponding with the supporting plate fixing hole (16.5) of fixed support component (16) supporting plate (16.3)
Fixing hole (14.1), screw rod sequentially passes through connection component fixing hole (14.1), supporting plate fixing hole (16.5) and shell fragment fixing hole
(15.1), connection component (14), supporting plate (16.2) are fixedly connected with shell fragment (15).
3. it is according to claim 1 or 2 can charged for replacement two-stage series connection gap lightning stroke flashover protector, its feature exists
In：The first order discharging gap is 38~40mm the air gap.
4. it is according to claim 1 or 2 can charged for replacement two-stage series connection gap lightning stroke flashover protector, its feature exists
In：The left and right sides of wire clamp seat (2) upper end is respectively provided with a screw rod (2.2), accordingly, the left and right two of wire clamp briquetting (1)
Side is respectively provided with a line fixing hole (1.2) coordinated with screw rod (2.2), and the line fixing hole (1.2) of the wire clamp briquetting (1) is passed through
The screw rod (2.2) of the wire clamp seat (2), the wire clamp briquetting (1) and folder of the wire clamp seat (2) formation with grooved hole.
5. it is according to claim 4 can charged for replacement two-stage series connection gap lightning stroke flashover protector, it is characterised in that：Institute
State the upper and lower surface of wire clamp briquetting (1) and respectively have a upper half circular trough (1.1), institute between two line fixing holes (1.2)
State the diameter and wire clamp briquetting (1) the lower surface upper half circular trough of wire clamp briquetting (1) upper surface upper half circular trough (1.1)
(1.1) diameter is different, accordingly, and wire clamp seat (2) upper end is provided with lower semi-circular groove between being located at two screw rods (2.2)
(2.1), the upper half circular trough (1.1) and the lower semi-circular groove (2.1) are combined to form the slotted eye for accommodating high-voltage conducting wires.
6. it is according to claim 1 or 2 can charged for replacement two-stage series connection gap lightning stroke flashover protector, its feature exists
In：Also include the opening-like guide (12) in one end, the other end of the guide (12) is provided with and flute profile pressing plate (8)
The guide fixing hole (12.2) of flute profile pressing plate fixing hole (8.1) connection, the opening-like one end direction of the guide (12)
The direction of the Zinc-Oxide Arrester (17).
7. it is according to claim 1 or 2 can charged for replacement two-stage series connection gap lightning stroke flashover protector, its feature exists
In：Also include being combined to form hollow insulating sheath component (4), the insulating sheath group by preceding insulating sheath and rear insulating sheath
Part (4) is radially provided with the threading hole (4.1) for entangling high-voltage conducting wires, and the lower section of the threading hole (4.1) is provided with conduction stick
Wire hole (4.2), the bottom of the insulating sheath component (4) is provided with the wire clamp cover for seat hole (4.3) for entangling wire clamp seat (2).
8. it is according to claim 1 or 2 can charged for replacement two-stage series connection gap lightning stroke flashover protector, its feature exists
In：Also include the composite sheath for clamping the wire clamp seat (2), ball discharge fixation kit (7) and fixed support component (16)
(6), the composite sheath (6) uses silicone rubber insulation material；It is exhausted that one layer of silicon rubber is wrapped up on the surface of the conduction stick (3)
Edge sheath (3.3).
9. it is according to claim 1 or 2 can charged for replacement two-stage series connection gap lightning stroke flashover protector, its feature exists
In：The ball discharge fixation kit (7) and the fixed support component (16), surface are handled using galvanizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054972.8A CN105514802B (en) | 2016-01-27 | 2016-01-27 | Can charged for replacement two-stage series connection gap lightning stroke flashover protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054972.8A CN105514802B (en) | 2016-01-27 | 2016-01-27 | Can charged for replacement two-stage series connection gap lightning stroke flashover protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105514802A CN105514802A (en) | 2016-04-20 |
| CN105514802B true CN105514802B (en) | 2017-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610054972.8A Active CN105514802B (en) | 2016-01-27 | 2016-01-27 | Can charged for replacement two-stage series connection gap lightning stroke flashover protector |
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| Country | Link |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205899B (en) * | 2016-07-15 | 2017-07-28 | 江苏远航电缆附件有限公司 | A kind of band gap compound needle type insulator |
| CN106058784B (en) * | 2016-08-09 | 2019-01-29 | 丹东电力设备厂 | Arrester installation pedestal |
| CN106300213A (en) * | 2016-09-11 | 2017-01-04 | 国网浙江省电力公司温州市洞头区供电公司 | A kind of line flashover protector |
| CN112908578B (en) * | 2021-02-03 | 2022-03-25 | 武汉华电众力电力科技有限公司 | 10kV fixed external series gap lightning arrester |
| CN112885547B (en) * | 2021-04-29 | 2021-07-09 | 山东广域科技有限责任公司 | Drop-out arrester for oil field |
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|---|---|---|---|---|
| CN204288986U (en) * | 2014-10-14 | 2015-04-22 | 宁波国创电力科技发展有限公司 | A kind of New Zinc Oxide Lightning Arrester |
| CN204333600U (en) * | 2015-02-02 | 2015-05-13 | 国家电网公司 | A kind of lightning protection device of high voltage supply circuit |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201307473Y (en) * | 2008-11-20 | 2009-09-09 | 衢州电力局 | Lightning protector for 10 kV line |
| CN201497774U (en) * | 2009-09-22 | 2010-06-02 | 武汉水院电气有限责任公司 | Lightning-stroke protection and monitoring device with discharge electrode and discharge counter for ten-kilovolt circuit |
| CN202025584U (en) * | 2011-02-11 | 2011-11-02 | 安徽电力繁昌供电有限责任公司 | Detachable lightning arrester |
| CN102290177B (en) * | 2011-07-27 | 2012-12-19 | 武汉水院电气有限责任公司 | 10kV multi-stage series gap lightning stroke flashover protector with arc striking electrode |
| CN202282207U (en) * | 2011-07-27 | 2012-06-20 | 武汉水院电气有限责任公司 | 10kV multistage series gap lightning stroke flashover protector with arc strike electrode |
| CN104332935B (en) * | 2014-11-04 | 2016-08-24 | 广东电网有限责任公司中山供电局 | The 10kV distribution line lightning protection device of energy charged for replacement |
| CN205354779U (en) * | 2016-01-13 | 2016-06-29 | 武汉水院电气有限责任公司 | Thunderbolt flashover protector that 10kV can change with electricity |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204288986U (en) * | 2014-10-14 | 2015-04-22 | 宁波国创电力科技发展有限公司 | A kind of New Zinc Oxide Lightning Arrester |
| CN204333600U (en) * | 2015-02-02 | 2015-05-13 | 国家电网公司 | A kind of lightning protection device of high voltage supply circuit |
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| CN105514802A (en) | 2016-04-20 |
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