CN204156487U - The 10kV distribution line lightning protection device of energy charged for replacement - Google Patents
The 10kV distribution line lightning protection device of energy charged for replacement Download PDFInfo
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- CN204156487U CN204156487U CN201420656859.3U CN201420656859U CN204156487U CN 204156487 U CN204156487 U CN 204156487U CN 201420656859 U CN201420656859 U CN 201420656859U CN 204156487 U CN204156487 U CN 204156487U
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Abstract
The utility model discloses a kind of 10kV distribution line lightning protection device of energy charged for replacement; comprise the guide support plate be connected with electric insulator steel foot; the charged disconnector be connected with guide support plate, the adjustable plate be connected with charged disconnector, and the anti-lightening protector be connected with adjustable plate.The 10kV distribution line lightning protection device of the energy charged for replacement that connected by guide support plate, charged disconnector, adjustable plate and anti-lightening protector form; by pulling open charged disconnector; anti-lightening protector is departed from guide support plate be connected; thus anti-lightening protector is departed from Voltage for Insulators on HV Lines steel pin be connected, facilitate and chargedly anti-lightening protector is safeguarded and changes.
Description
Technical field
The utility model relates to 10kV distribution line anti-thunder technical field, particularly a kind of 10kV distribution line lightning protection device of energy charged for replacement.
Background technology
At present, domestic 10kV distribution line lightning protection device, mostly adopt zinc oxide arrester series connection air gap mode, but due to the restriction of its mounting structure, this kind of lightning protection device, in actual moving process, also exists the problem of the following aspects: (1) lightning protection device is after installation and operation, does not have effective detection means to judge the quality of lightning protection device, and will its performance quality be detected, under power down mode, lightning protection device must be pulled down and just can detect; (2) according to the requirement of electric power system, zinc oxide arrester series products must be changed after the 5-6 that puts into operation, and the economic loss comprising electric power system is changed in power failure and the enterprise brought thus is produced, and resident living also result in very large loss.
Such as, a 10kV circuit calculates by minimum current 630A, within one day, has a power failure by calculating in 8 hours.Then a 10kV line outage loss electricity is: 3 phases × phase voltage × phase current × time=3 × 10 (kV) ÷ 1.732 × 630 (A) × 8 (h)=87298 (kVA.h), amount to the electricity charge: 87298 (kVA.h) × 0.23 (average electricity price: unit/kVA.h)=20079 yuan, add operating expenses, transportation expenses, administration fee etc., loss and the relevant expense of therefore stopping a 10kV circuit are very large, and the 10kV circuit that power supply administration of county of current China administers, few has tens, many has up to a hundred, in view of this, the zinc oxide arrester class lightning protection device of series gap, due to the defect on mounting structure, the economic loss caused is quite huge.
Utility model content
Based on this, can not the problem of charged for replacement or maintenance for above-mentioned lightning protection device, be necessary to propose a kind of can the 10kV distribution line lightning protection device of charged for replacement.
Its technical scheme is as follows:
A kind of 10kV distribution line lightning protection device of energy charged for replacement, comprise the guide support plate be connected with electric insulator steel foot, the charged disconnector be connected with described guide support plate, the adjustable plate be connected with described charged disconnector, and the anti-lightening protector be connected with described adjustable plate; Described guide support plate comprises support plate body, and connects the insulator connecting plate of described electric insulator steel foot and described support plate body; Described support plate body comprises roof supporting, and two support side plate adjacent with described roof supporting; Described roof supporting is provided with two fixing clamps, in two described support side plate, correspondence is provided with at least one charged disconnector connecting hole respectively; Described charged disconnector comprises the charged disconnector main body coordinated with described support plate body, and described charged disconnector main body one end is provided with two outstanding fixed contacts, and described fixed contact can be inserted in described fixing clamp; The described charged disconnector main body other end offers the opening kerve be in communication with the outside, and described charged disconnector main body two relative side all offers the oblique groove be communicated with described opening kerve; Telescopic movable contact is installed in each described oblique groove, and the pull bar be connected with described movable contact, described movable contact is connected in described charged disconnector connecting hole; Also be provided with the first spring be connected with two described pull bars respectively in described opening kerve, and be arranged on the draw ring outside described opening kerve, described draw ring is connected with two described first springs.
The 10kV distribution line lightning protection device of the energy charged for replacement that connected by guide support plate, charged disconnector, adjustable plate and anti-lightening protector form; by pulling open charged disconnector; anti-lightening protector is departed from guide support plate be connected; thus anti-lightening protector is departed from Voltage for Insulators on HV Lines steel pin be connected, conveniently anti-lightening protector is safeguarded and changes.The draw ring of charged disconnector is held particular by 10kV insulated tension pole; toward in drop-down process; pull bar and spring is driven to move; the movable contact in oblique groove is made to depart from the connection with the charged disconnector connecting hole of guide support plate; and fixed contact departs from and the connection fixing clamp; finally make charged disconnector depart from guide support plate to be completely connected, thus make to be connected with charged disconnector anti-lightening protector and depart from and connect.Otherwise; when anti-lightening protector is installed; 10kV insulated tension pole is used to withstand the draw ring of charged disconnector; in the process of up pushing up; drive pull bar and spring to move, the movable contact in oblique groove is moved up and the connection of charged disconnector connecting hole with guide support plate, and fixed contact also moves up and is inserted in fixing clamp; charged disconnector is connected with anti-lightening protector, finally makes anti-lightening protector be connected with guide support plate completely.In the process of whole installation or removal anti-lightening protector; can chargedly operate; do not need power failure to carry out installing/dismounting, can detect anti-lightening protector easily and change, avoid the economic loss having a power failure and cause and the impact that enterprise's production and resident living are brought.
Below its further technical scheme is described:
Preferably, between described movable contact and described pull bar, be also provided with the second spring, and the self-locking mechanism be connected with described second spring, described self-locking mechanism is connected with pull bar.By arranging the second spring and self-locking mechanism, make when leaving behind movable contact, self-locking mechanism works, and locking movable contact does not move upward, and is conveniently pulled down by movable contact, movable contact is departed from charged disconnector connecting hole and is connected.
Preferably, described support plate body also comprises support baseboard, and described roof supporting, support side plate are connected on described support baseboard and form channel-shaped, and described charged disconnector main body is installed in channel-shaped support plate body.Guide support plate main body is set to channel-shaped, convenient charged disconnector main body is fixed in guide support plate main body, make guide support plate and charged disconnector stable connection reliable.
Preferably, one end of the insulator connecting plate of described guide support plate is provided with U-shaped screw, and described U-shaped screw and electric insulator steel foot are bolted.Guide support plate arranges U-shaped screw, and be conveniently connected on guide support plate by electric insulator steel foot, anti-lightening protector is connected with electric insulator steel foot by guide support plate, and effectively releasing for lightning current provides passage.
Preferably, described fixing clamp is set to square frame shape, and each described fixing clamp inwall is provided with multiple shell fragment for clamping described fixed contact; Described roof supporting offers two clamp connecting holes, described fixing clamp is connected and fixed on described clamp connection hole.Fixing clamp is set to elastic piece structure, by fixed contact compact siro spinning technology, the connection of charged disconnector and guide support plate can be ensured, namely ensure that being communicated with of anti-lightening protector and guide support plate.
Preferably, described anti-lightening protector comprises column anti-lightening protector body, is arranged at the main discharge electrode of described anti-lightening protector body one end, has air gap between described main discharge electrode and high-voltage conducting wires; Multiple zinc oxide arrester valve block has been provided separately in the middle part of described anti-lightening protector body, and at least two auxiliary discharge electrodes; Each described zinc oxide arrester valve block and each auxiliary discharge electrode interval are arranged, and have air gap between adjacent two auxiliary discharge electrodes; The described anti-lightening protector body other end is provided with lightning protection device connecting bolt, and described lightning protection device connecting bolt is connected with adjustable plate.Gap between main discharge electrode and high-voltage conducting wires forms main discharge gap; space between adjacent two auxiliary discharge electrodes forms auxiliary gap; the auxiliary gap of multiple series connection is just defined between multiple auxiliary discharge electrode; under the acting in conjunction of main discharge gap and auxiliary gap; power-frequency voltage can be isolated; but can lightning voltage be born; the main discharge gap of anti-lightening protector and auxiliary gap can be punctured by thunder and lightning; thus lightning current is released into ground, play the protective effect to transmission line.
Preferably, described main discharge electrode comprises the electric discharge ring of aluminum alloy material, and is arranged on the cylinder at described electric discharge ring center, and described cylinder is connected with described anti-lightening protector body; And be evenly provided with three connecting rods between described electric discharge ring and described cylinder, each connecting rod all with electric discharge ring and cylinder connection.Arrange the structure of electric discharge ring and connecting rod, lightning current is released equably by main discharge electrode, and main discharge electrode plays the effect of all pressing, and ensures the stability of electric discharge.
Preferably, described auxiliary discharge electrode is set to plane or globoidal structure.Auxiliary discharge electrode is set to plane or arc shape, is conducive to forming discharging gap between two electrodes.
Preferably, the distance between the main discharge electrode of described anti-lightening protector and high-voltage conducting wires is 30mm, and the distance between adjacent two described auxiliary discharge electrodes is 10mm.Rational main discharge gap and auxiliary gap are set, but being conducive to thunder and lightning releases and also can cut off power-frequency voltage.
Preferably, described adjustable plate comprises the anti-lightening protector connecting portion of orthogonal tabular and charged disconnector connecting portion; Described anti-lightening protector connecting portion end is provided with lightning protection device link bolt hole, and described lightning protection device link bolt hole is fixedly connected with described lightning protection device connecting bolt; Described charged disconnector connecting portion is provided with charged disconnector connecting hole, described charged disconnector main body is provided with the adjustable plate fixing hole corresponding with described charged disconnector connecting hole.By adjustable plate, charged disconnector and anti-lightening protector are effectively coupled together; and by arranging charged disconnector connecting hole on adjustable plate; the setting height(from bottom) position of adjustable plate and charged disconnector can be adjusted; thus reach the effect of adjustment anti-lightening protector setting height(from bottom), the distance (i.e. main discharge gap) between convenient adjustment main discharge electrode and high-voltage conducting wires.
The beneficial effects of the utility model are:
1, unique mechanism design is adopted, namely by designing the structure of charged disconnector and anti-lightening protector, ensure that distribution line is not when having a power failure, by charged dismounting and charged disconnector can be installed, thus realize safety, dismantle and the object of installing the anti-lightening protector be connected with charged disconnector easily;
2, decrease and detect and replacing lightning protection device owing to having a power failure, the economic loss brought and the loss brought to people's daily life, work;
3, whole device comprises guide support plate, charged disconnector, adjustable plate and anti-lightening protector, and design is succinct, construction install convenience;
4, use 10kV insulated tension pole just can carry out dismounting to charged disconnector and anti-lightening protector, do not affect supply of electric power, improve power supply reliability, decrease the labour intensity of workmen, improve the job security of workmen.
Accompanying drawing explanation
Fig. 1 is the schematic three dimensional views of the 10kV distribution line lightning protection device of energy charged for replacement described in the utility model embodiment;
Fig. 2 is the schematic front view of the charged disconnector of the 10kV distribution line lightning protection device of energy charged for replacement described in the utility model embodiment;
Fig. 3 is the schematic three dimensional views of the adjustable plate of the 10kV distribution line lightning protection device of energy charged for replacement described in the utility model embodiment;
Fig. 4 is the schematic three dimensional views of the guide support plate of the 10kV distribution line lightning protection device of energy charged for replacement described in the utility model embodiment;
Fig. 5 is the perspective diagram of the charged disconnector of the 10kV distribution line lightning protection device of energy charged for replacement described in the utility model embodiment.
Description of reference numerals:
100-anti-lightening protector, 110-anti-lightening protector body, 120-main discharge electrode, 130-zinc oxide arrester valve block, 140-auxiliary discharge electrode, 150-lightning protection device connecting bolt, 200-adjustable plate, 210-anti-lightening protector connecting portion, 212-lightning protection device link bolt hole, the charged disconnector connecting portion of 220-, the charged disconnector connecting hole of 222-, 300-guide support plate, 310-insulator connecting plate, 312-U type screw, 320-roof supporting, 322-fixes clamp, 330-support side plate, the charged disconnector connecting hole of 332-, 340-support baseboard, the charged disconnector of 400-, the charged disconnector main body of 410-, 420-draw ring, 430-first spring, 440-pull bar, 450-self-locking structure, 460-second spring, 470-movable contact, 480-fixed contact, 490-adjustable plate fixing hole.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
As shown in Figure 1; a kind of 10kV distribution line lightning protection device of energy charged for replacement; comprise the guide support plate 300 be connected with electric insulator steel foot; the charged disconnector 400 be connected with guide support plate 300; the adjustable plate 200 be connected with charged disconnector 400, and the anti-lightening protector 100 be connected with adjustable plate 200.The 10kV distribution line lightning protection device of the energy charged for replacement that the charged disconnector 400 connected by guide support plate 300, adjustable plate 200 and anti-lightening protector 100 form; by pulling open charged disconnector 400; anti-lightening protector 100 is departed from guide support plate 300 be connected; thus anti-lightening protector 100 is departed from Voltage for Insulators on HV Lines steel pin be connected, facilitate and chargedly anti-lightening protector 100 is safeguarded and changes.
As shown in Figure 2, this anti-lightening protector 100 comprises column anti-lightening protector body 110, and this anti-lightening protector body 110 one end is provided with lightning protection device connecting bolt 150, and this lightning protection device connecting bolt 150 is connected with adjustable plate 200.Anti-lightening protector body 110 other end is provided with main discharge electrode 120; this main discharge electrode 120 comprises the electric discharge ring (not indicating in figure) of aluminum alloy material; and being arranged on the cylinder at electric discharge ring center, cylinder is connected with anti-lightening protector body 110.And be evenly provided with three connecting rods (not shown in the figures anticipate out) between electric discharge ring and cylinder, each connecting rod all with ring and the cylinder connection of discharging.The structure of electric discharge ring and connecting rod is set, lightning current is released equably by main discharge electrode 120, makes main discharge electrode 120 play the effect of all pressing, ensure the stability of electric discharge.And have air gap between this main discharge electrode 120 and high-voltage conducting wires, the gap between this main discharge electrode 120 and high-voltage conducting wires forms main discharge gap.
In addition, in the middle part of this anti-lightening protector body 110, be separately evenly provided with multiple zinc oxide arrester valve block 130, and at least two auxiliary discharge electrodes 140.And each auxiliary discharge electrode 140 is all set to plane or globoidal structure, and auxiliary discharge electrode 140 is set to plane or arc shape, be conducive to forming discharging gap between two auxiliary discharge electrodes 140.Each zinc oxide arrester valve block 130 and each auxiliary discharge electrode 140 interval are arranged, and have air gap between adjacent two auxiliary discharge electrodes 140, and the air gap between adjacent two auxiliary discharge electrodes 140 forms auxiliary gap.With collets (not shown in the figures anticipate out) insulation between auxiliary discharge electrode, and collets height is greater than the distance of auxiliary gap, ensures to keep good insulation property under normal conditions between two auxiliary discharge electrodes 140., select multiple auxiliary discharge electrode 140 that be arranged in parallel on anti-lightening protector body 110 herein, between multiple auxiliary discharge electrode 140, just define the auxiliary gap of multiple series connection.Anti-lightening protector 100 adopt meet the regulation of DL/T815-2002 " transmission line of alternation current polymeric metal oxide surge arrester " and GB11032-2000 " alternating current gapless metal oxide arrester " two standards for preventing lightning overvoltage and blocking the zinc oxide arrester of band external series gap of power frequency continued flow.
When high-tension line normally runs, owing to there being plural serial stage air gap reasonable in design, can power-frequency voltage be isolated, make anti-lightening protector 100 not bear system voltage and switching overvoltage, thus extend the useful life of anti-lightening protector 100; Under the lightning overvoltage effect that direct lightning strike or induced lightening produce, breakdown the while of main discharge gap and auxiliary gap, anti-lightening protector 100 presents Low ESR, is released by lightning current into ground; After lightning impulse; power-frequency voltage loads on anti-lightening protector 100; when alternating voltage zero-crossing point, the resistance of anti-lightening protector 100 becomes large instantaneously; the electric current passed through and arc current are suppressed in lower numerical value; increase falls in air gap arc voltage; the insulation of air gap recovers rapidly, and electric arc naturally extinguishes in very short time, and power frequency continued flow is interdicted completely.Namely anti-lightening protector 100 is under the acting in conjunction of main discharge gap and auxiliary gap; power-frequency voltage can be isolated; but can lightning voltage be born; the main discharge gap of anti-lightening protector and auxiliary gap can be punctured by thunder and lightning; thus lightning current is released into ground, play the protective effect to transmission line.So anti-lightening protector 100 is connected in parallel on Voltage for Insulators on HV Lines side, plays the effect preventing lightning stroke trip and broken string.And more specifically; distance between the main discharge electrode 120 of anti-lightening protector 110 and high-voltage conducting wires can be set to 30mm; distance between adjacent two auxiliary discharge electrodes 140 is set to 10mm; rational main discharge gap and auxiliary gap are set, but being more conducive to thunder and lightning releases and also can cut off power-frequency voltage.
As shown in Figure 3, the adjustable plate 200 be connected with anti-lightening protector is processed to form by 4mm steel plate, and it comprises the anti-lightening protector connecting portion 210 of orthogonal tabular and charged disconnector connecting portion 220.The end of anti-lightening protector connecting portion 210 is provided with lightning protection device link bolt hole 212, and this lightning protection device link bolt hole 212 is fixedly connected with lightning protection device connecting bolt 150.Charged disconnector connecting portion 220 is provided with charged disconnector connecting hole 222, and this charged disconnector connecting hole 222 is set to slotted hole, and charged disconnector 400 is provided with the adjustable plate fixing hole 490 corresponding with charged disconnector connecting hole 222.Be provided with two threaded adjusting plate fixing holes 490 herein, at this adjustable plate fixing hole 490 place, adjustable plate set bolt can be installed, this adjustable plate set bolt is through the charged disconnector connecting hole 222 of the slotted hole form that charged disconnector connecting portion 220 is arranged simultaneously, adjustable plate 200 and charged disconnector 400 is coupled together.Thus by adjustable plate 200, charged disconnector 400 is effectively coupled together with anti-lightening protector 100; and by arranging slotted hole on adjustable plate 200; the setting height(from bottom) position of adjustable plate 200 and charged disconnector 400 can be adjusted; thus reach the effect of adjustment anti-lightening protector 100 setting height(from bottom), the distance (i.e. main discharge gap) between the main discharge electrode 120 of convenient adjustment anti-lightening protector 100 and high-voltage conducting wires.And, make the low-pressure end (i.e. lightning protection device connecting bolt end) of anti-lightening protector 100 by adjustable plate 200 natural grounding, do not need to increase extra earth resistance, reduce construction intensity and effectively can solve wire lightning-caused breaking problem simultaneously.
As shown in Figure 4, connect charged disconnector 400 and can be processed into by 4mm steel plate with the guide support plate 300 of electric insulator steel foot, its surface adopts hot galvanizing process.This guide support plate 300 comprises support plate body (not indicating in figure), and the insulator connecting plate 310 of connecting insulator steel pin and support plate body, this support plate body forms L shape with insulator connecting plate 310 is mutually vertical, and this insulator connecting plate 310 is horizontally disposed with, and support plate body is vertically arranged.Support plate body comprises roof supporting 320, and two support side plate 330 adjacent with roof supporting 320, and roof supporting 320 and two support side plate 330 form U-shaped, and two support side plate 330 are all vertical with this roof supporting 320.
In addition, roof supporting 320 offers two clamp connecting holes (not shown in the figures anticipate out), clamp connection hole is fixedly connected with fixing clamp 322.And fixing clamp 322 becomes a square mount structure by high-strength material by Mould Machining, and square frame inner face wall respectively rivets a shell fragment be processed into by the resilient steel material of high strength, and fixing clamp 322 is welded on the clamp connection hole of roof supporting.And inside two support side plate 330 on be respectively arranged with chute, and in the support side plate 330 on both sides also respectively correspondence be provided with at least one charged disconnector connecting hole 332.This charged disconnector connecting hole 332 is set to slotted hole, can be provided with three this slotted holes particularly in each support side plate 332.
In addition, support plate body also comprises support baseboard 340, and roof supporting 332, support side plate 330 are connected on support baseboard 340 and form channel-shaped, and charged disconnector 400 is installed in channel-shaped support plate body.Guide support plate main body is set to channel-shaped, conveniently charged disconnector 400 is fixed in support plate body, make guide support plate 300 and charged disconnector 400 stable connection reliable.In addition, one end of the insulator connecting plate 310 of guide support plate 300 is provided with U-shaped screw 312, and this U-shaped screw 312 is bolted with electric insulator steel foot.Guide support plate 300 arranges U-shaped screw 312, and be conveniently connected on guide support plate 300 by electric insulator steel foot, anti-lightening protector 100 is connected with electric insulator steel foot by guide support plate 300, and effectively releasing for lightning current provides passage.In addition, by guide support plate 300 is connected on electric insulator steel foot, for anti-lightening protector and whole device provide support.
As shown in Figure 5, the charged disconnector 400 connecting guide support plate 300 and anti-lightening protector 100 is high-strength aluminum alloy material, and it forms a rectangular structure by Mould Machining.Particularly, this charged disconnector 400 comprises: charged disconnector main body 410, fixed contact 480, movable contact 470, pull bar 440, first spring 430, self-locking structure 450, second spring 460 and draw ring 420.Charged disconnector main body 410 coordinates with support plate body installs; this charged disconnector main body 410 one end (being arranged on roof supporting place) is provided with two screwed holes; outstanding fixed contact 480 is installed in this screwed hole; each fixed contact 480 is processed into bullet shape by round steel; for inserting in the fixing clamp 322 of guide support plate 300; ensure that anti-lightening protector 100 contacts well with the support cross arm of Voltage for Insulators on HV Lines, releasing for lightning current provides reliable passage.In addition, fixing clamp 322 is set to elastic piece structure, can by fixed contact compact siro spinning technology, ensure the connection of charged disconnector 400 and guide support plate 300, namely ensure that being communicated with of anti-lightening protector 400 and electric insulator steel foot.
Charged disconnector main body 410 other end (one end relative with the roof supporting of guide support plate) offers the opening kerve (for indicating in figure) be in communication with the outside, and this charged disconnector main body 410 two relative side all offers the oblique groove be communicated with opening kerve, this oblique groove is the circular groove be inclined upwardly in 45 °.Be installed on telescopic movable contact 470 in each oblique groove, this movable contact 470 can be positioned in charged disconnector connecting hole 332 in clamping.This movable contact 470 is processed into bullet shape by round steel, is provided with thread circle hole, for cylinder lever connecting rod 440 in the middle of bottom it.The oblique groove that each pull bar 440 is all arranged from charged disconnector main body 410 side wears opening kerve, and it is made up of high strength round steel, and its one end is provided with longer screw thread, and the other end is drilled with circular hole.This pull bar 440 arranges threaded one end fits and is connected in the thread circle hole of movable contact 470, and adapter sleeve is provided with the second spring 460, and is connected with self-locking structure 450 on the second spring 460.By arranging the second spring 460 and self-locking mechanism 450, make when leaving behind movable contact 470, self-locking mechanism 450 works, locking movable contact 470 does not move upward, conveniently movable contact 470 is pulled down, movable contact 470 is departed from charged disconnector connecting hole 332 be connected, even if charged disconnector 400 is separated with guide support plate 300.
This pull bar 340 establishes round-meshed one end and the first spring 430 to be connected and fixed, and this first spring 430 is fixed on draw ring 420.Two the first springs 430 be connected with pull bar 440 respectively are all arranged in opening kerve and have, and draw ring 420 is arranged on outside opening kerve, and draw ring 420 is connected with two the first springs 430.Particularly, this draw ring 420 makes circular ring structure by metal material, and on annulus, be provided with two hangers (not indicating in figure), and hanger for connecting the first spring 430, thus is connected with pull bar 440, facilitates the use of insulated tension pole.And the centre position of charged disconnector main body 410 offers two adjustable plate fixing holes 490 longitudinally arranged, for connecting adjustable plate 200, this adjustable plate fixing hole 490 is between fixed contact 480 and opening kerve.
The specific works principle of the 10kV distribution line lightning protection device of this energy charged for replacement is, during dismounting anti-lightening protector 100, the draw ring 420 of charged disconnector 400 is held by 10kV insulated tension pole, toward in drop-down process, the first spring 430 and pull bar 440 is driven to move, the movable contact 470 in oblique groove is made to depart from the connection with the charged disconnector connecting hole 332 of guide support plate 300, and fixed contact 480 departs from the connection with fixing clamp 322, finally make charged disconnector 400 depart from guide support plate 300 to be completely connected, thus the anti-lightening protector 100 be connected with charged disconnector 400 is departed from connect.Otherwise; when anti-lightening protector 100 is installed; 10kV insulated tension pole is used to withstand the draw ring 420 of charged disconnector 400; in the process of up pushing up; the first spring 430 and pull bar 440 is driven to move; movable contact 470 in oblique groove is moved up and is connected with the charged disconnector connecting hole 332 of guide support plate 300; and fixed contact 480 also moves up and is inserted in fixing clamp 322; charged disconnector 400 is connected with anti-lightening protector 100, finally makes anti-lightening protector 100 be connected with guide support plate 300 completely.In the process of whole installation or removal anti-lightening protector 100; can chargedly operate; do not need power failure to carry out installing/dismounting, can easily anti-lightening protector 100 be detected and be changed, avoid the economic loss having a power failure and cause and the impact that enterprise's production and resident living are brought.
Need detect when anti-lightening protector 100 has run 1-2 at thunderstorm season in the utility model; or run when within less than 6 years, needing to change; can easily pull down anti-lightening protector 100 by this device to carry out detecting and changing; avoid the loss of outage brought thus; also facilitate the maintenance repair work of operation power department, reduce potential safety hazard.The 10kV distribution line lightning protection device of a kind of energy charged for replacement that the utility model provides; can effectively prevent lightning-caused breaking accident; while reducing the tripping rate with lightning strike of circuit; can also charged dismounting lightning protection device; in time lightning protection device detected and change, thus reaching the object ensureing power supply reliability.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. the 10kV distribution line lightning protection device of an energy charged for replacement, it is characterized in that, comprise the guide support plate be connected with electric insulator steel foot, the charged disconnector be connected with described guide support plate, the adjustable plate be connected with described charged disconnector, and the anti-lightening protector be connected with described adjustable plate;
Described guide support plate comprises support plate body, and connects the insulator connecting plate of described electric insulator steel foot and described support plate body; Described support plate body comprises roof supporting, and two support side plate adjacent with described roof supporting; Described roof supporting is provided with two fixing clamps, in two described support side plate, correspondence is provided with at least one charged disconnector connecting hole respectively;
Described charged disconnector comprises the charged disconnector main body coordinated with described support plate body, and described charged disconnector main body one end is provided with two outstanding fixed contacts, and described fixed contact can be inserted in described fixing clamp; The described charged disconnector main body other end offers the opening kerve be in communication with the outside, and described charged disconnector main body two relative side all offers the oblique groove be communicated with described opening kerve; Telescopic movable contact is installed in each described oblique groove, and the pull bar be connected with described movable contact, described movable contact can be connected in described charged disconnector connecting hole; Also be provided with the first spring be connected with two described pull bars respectively in described opening kerve, and be arranged on the draw ring outside described opening kerve, described draw ring is connected with two described first springs.
2. the 10kV distribution line lightning protection device of energy charged for replacement according to claim 1; it is characterized in that; the second spring is also provided with between described movable contact and described pull bar, and the self-locking mechanism be connected with described second spring, described self-locking mechanism is connected with pull bar.
3. the 10kV distribution line lightning protection device of energy charged for replacement according to claim 1; it is characterized in that; described support plate body also comprises support baseboard; described roof supporting, support side plate are connected on described support baseboard and form channel-shaped, and described charged disconnector main body is installed in channel-shaped support plate body.
4. the 10kV distribution line lightning protection device of energy charged for replacement according to claim 3, it is characterized in that, one end of the insulator connecting plate of described guide support plate is provided with U-shaped screw, and described U-shaped screw and electric insulator steel foot are bolted.
5. the 10kV distribution line lightning protection device of energy charged for replacement according to claim 3, it is characterized in that, described fixing clamp is set to square frame shape, and each described fixing clamp inwall is provided with multiple shell fragment for clamping described fixed contact;
Described roof supporting offers two clamp connecting holes, described fixing clamp is connected and fixed on described clamp connection hole.
6. the 10kV distribution line lightning protection device of the energy charged for replacement according to claim 1-5 any one, it is characterized in that, described anti-lightening protector comprises column anti-lightening protector body, be arranged at the main discharge electrode of described anti-lightening protector body one end, between described main discharge electrode and high-voltage conducting wires, there is air gap;
Multiple zinc oxide arrester valve block has been provided separately in the middle part of described anti-lightening protector body, and at least two auxiliary discharge electrodes; Each described zinc oxide arrester valve block and each auxiliary discharge electrode interval are arranged, and have air gap between adjacent two auxiliary discharge electrodes;
The described anti-lightening protector body other end is provided with lightning protection device connecting bolt, and described lightning protection device connecting bolt is connected with adjustable plate.
7. the 10kV distribution line lightning protection device of energy charged for replacement according to claim 6, it is characterized in that, described main discharge electrode comprises the electric discharge ring of aluminum alloy material, and is arranged on the cylinder at described electric discharge ring center, and described cylinder is connected with described anti-lightening protector body; And be evenly provided with three connecting rods between described electric discharge ring and described cylinder, each connecting rod all with electric discharge ring and cylinder connection.
8. the 10kV distribution line lightning protection device of energy charged for replacement according to claim 6, it is characterized in that, described auxiliary discharge electrode is set to plane or globoidal structure.
9. the 10kV distribution line lightning protection device of energy charged for replacement according to claim 6; it is characterized in that; distance between the main discharge electrode of described anti-lightening protector and high-voltage conducting wires is 30mm, and the distance between adjacent two described auxiliary discharge electrodes is 10mm.
10. the 10kV distribution line lightning protection device of energy charged for replacement according to claim 6, it is characterized in that, described adjustable plate comprises the anti-lightening protector connecting portion of orthogonal tabular and charged disconnector connecting portion;
Described anti-lightening protector connecting portion end is provided with lightning protection device link bolt hole, and described lightning protection device link bolt hole is fixedly connected with described lightning protection device connecting bolt; Described charged disconnector connecting portion is provided with charged disconnector connecting hole, described charged disconnector main body is provided with the adjustable plate fixing hole corresponding with described charged disconnector connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656859.3U CN204156487U (en) | 2014-11-04 | 2014-11-04 | The 10kV distribution line lightning protection device of energy charged for replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656859.3U CN204156487U (en) | 2014-11-04 | 2014-11-04 | The 10kV distribution line lightning protection device of energy charged for replacement |
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| Publication Number | Publication Date |
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| CN204156487U true CN204156487U (en) | 2015-02-11 |
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| CN201420656859.3U Active CN204156487U (en) | 2014-11-04 | 2014-11-04 | The 10kV distribution line lightning protection device of energy charged for replacement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332935A (en) * | 2014-11-04 | 2015-02-04 | 广东电网有限责任公司中山供电局 | 10kV distribution network line anti-thunder protection device allowing electrified replacement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332935A (en) * | 2014-11-04 | 2015-02-04 | 广东电网有限责任公司中山供电局 | 10kV distribution network line anti-thunder protection device allowing electrified replacement |
| 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 |
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