CN203504118U - Thunder and lightning positioning type anti-thunder and wire breakage preventing device - Google Patents
Thunder and lightning positioning type anti-thunder and wire breakage preventing device Download PDFInfo
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- CN203504118U CN203504118U CN201320617058.1U CN201320617058U CN203504118U CN 203504118 U CN203504118 U CN 203504118U CN 201320617058 U CN201320617058 U CN 201320617058U CN 203504118 U CN203504118 U CN 203504118U
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Abstract
The utility model discloses a thunder and lightning positioning type anti-thunder and wire breakage preventing device, which comprises a high-voltage electrode installed on an overhead wire at an insulator load side, wherein a current-limiting element is arranged below the high-voltage electrode, the top part of the current-limiting element is provided with a spherical electrode, the high-voltage electrode and the spherical electrode are provided with a series gap therebetween; and the side surface at the lower end of the current-limiting element is provided with a discharge counter, the current-limiting element is fixed on an adjustable electrode plate through a first bolt, and the adjustable electrode plate is provided with a movable electrode plate and a fixed electrode plate. The thunder and lightning positioning type anti-thunder and wire breakage preventing device can effectively cut off power frequency follow current in the discharging process, thereby being more reliable and safer; the series gap is designed, thereby being more reliable; and the discharge counter is arranged, thereby being convenient for a power supply bureau to carry out analysis on thunder and lightning activities on the overall line and carry out key protection on an area which is easily struck by lightning, and improving the power supply reliability of a power transmission line. The thunder and lightning positioning type anti-thunder and wire breakage preventing device can be widely applied to the field of power supply.
Description
Technical field
The utility model relates to for electrical domain, especially a kind of thunder and lightning location type lightning-protection break wire device.
Background technology
Current lightning protection device, is enough to puncture the gap of lightning protection device and while discharging when Lightning Over-voltage rises to, and except thunder-strike current is discharged into extraterrestrially greatly by discharging gap, also has the power current of fraction by electric arc, to flow into the earth with gap discharge.Due to the arc resistance wave head time less and thunder-strike current short (approximately 4 μ s) of electric arc, after lightning current dispose procedure completes, electric arc can not extinguish at once naturally, therefore still some power current can continue by the arc resistance of electric arc to discharge to the earth, and this has just increased the probability of line tripping greatly.
Along with the raising that power supply department requires power supply quality, 10KV distribution line often causes that because meeting with lightning stroke trip the problem of power outage becomes increasingly conspicuous, and the safety and reliability that how to improve distribution line power supply becomes power supply department problem anxious to be resolved.For this reason, power supply department has been promoted to the Thunder Protection of transmission line the emphasis ensuring safety with reliable power supply.
Lightning-protected product is in the market multifarious, but it is very few really effectively to solve the product of distribution line lightning stroke trip problem.In addition, existing lightning-protected product can not record and collect the thunder activity law data of circuit automatically, and the region that cannot be subject to be struck by lightning to circuit positions, and is unfavorable for powering carrying out key protection to subjecting to the region of thunderbolt, reliable not.Therefore, how to design and aly can effectively solve distribution line thereby cause the problem of power outage and the lightning-protected product that positions of region that can be subject to thunderbolt to circuit has become the problem that industry is needed solution badly.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model is: a kind of safe and reliable lightning-protection break wire device with thunderbolt action record function is provided.
The utility model solves the technical scheme that its technical problem adopts: a kind of thunder and lightning location type lightning-protection break wire device, comprise the high-field electrode being arranged on insulator load side aerial condutor, the below of described high-field electrode is provided with current limiting element, the top of described current limiting element is provided with radius tip electrode, between described high-field electrode and radius tip electrode, is provided with series gap; The lower end side of described current limiting element is provided with discharge counter, and described current limiting element is bolted on adjustable electric pole plate by first, and described adjustable electric pole plate is provided with flexible lamp pole plate and fixed plate electrode.
Further, described high-field electrode is connected with described aerial condutor by C shape casing mechanism, a side towards insulator in described C shape casing mechanism is provided with arc end, and in described C shape casing mechanism, a side of insulator is provided with arcing arm dorsad, and described arc end and arcing arm are all tilted to down and stretch out.
Further, the core body of described current limiting element is formed by stacking by a plurality of zinc oxide resistance sheets, and the overcoat of described current limiting element is silastic material.
Further, described discharge counter is three circulating counters, and described three circulating counters and current limiting element are integrated.
Further, described radius tip electrode is stainless steel sphere electrode.
Further, described adjustable electric pole plate is also provided with for regulating the stainless steel bolt of described float electrode Board position.
The beneficial effects of the utility model are: be provided with current limiting element, can effectively cut off the power frequency continued flow in discharge process, prevent the generation because of the problems such as tripping operation, insulator arc-over, bottle explosion and broken string that Lightning Over-voltage causes, more reliable and safety; Be designed with series gap, even when lightning-protection break wire device is crossed strong or other reason damage because of thunder-strike current, also can not affect circuit normal power supply, more reliable; Be provided with discharge counter, number of times and the particular location that can invade for the circuit experience lightning overvoltage that this device is installed carry out record, for power supply unit is collected circuit thunder activity law data, be convenient to that power supply administration analyzes lightening activity situation on whole piece circuit and carry out key protection to subjecting to the region of thunderbolt, improved the power supply reliability of transmission line.
Accompanying drawing explanation
Below in conjunction with Figure of description and embodiment, the utility model is described in further detail.
Fig. 1 is the structural representation of a kind of thunder and lightning location type of the utility model lightning-protection break wire device.
Reference numeral: 1, high-field electrode; 11, arc end; 12, arcing arm; 2, current limiting element; 21, radius tip electrode; 22, discharge counter; 23, the first bolt; 3, aerial condutor; 4, insulator; 5, adjustable electric pole plate; 51, flexible lamp pole plate; 52, fixed plate electrode; 53, stainless steel bolt; 6, briquetting.
Embodiment
With reference to Fig. 1, a kind of thunder and lightning location type lightning-protection break wire device, comprise the high-field electrode 1 being arranged on insulator 4 load side aerial condutors 3, the below of described high-field electrode 1 is provided with current limiting element 2, the top of described current limiting element 2 is provided with radius tip electrode 21, between described high-field electrode 1 and radius tip electrode 21, is provided with series gap a; The lower end side of described current limiting element 2 is provided with discharge counter 22, and described current limiting element 2 is fixed on adjustable electric pole plate 5 by the first bolt 23, and described adjustable electric pole plate 5 is provided with flexible lamp pole plate 51 and fixed plate electrode 52.
Wherein, insulator load side refers to and deviates from mains side.
Series gap is pure atmospherical discharges gap.
Current limiting element, for power current is limited, has stoped the generation of power frequency continued flow.Current limiting element and discharge counter adopt integrated design, and discharge counter is positioned at the lower end side of current limiting element.
Adjustable electric pole plate is the battery lead plate after hot galvanizing or Dacroment preservative treatment, for coordinating current limiting element that suitable clamp voltage is set.
The utility model is between pure atmospherical discharges gap, be abutted against ground electrode end an efficient thunder and lightning positioner is installed, this device discharge capacity is large, pole tower ground resistance is not had to specific (special) requirements, install simple, be applicable to Naked wire and insulated conductor overhead transmission line etc., and be applicable to the overhead transmission line of different insulative such as pin insulator, pillar insulator, porcelain pole arm, composite insulator and suspension insulator.The utility model operation principle is: efficient thunder and lightning positioner can produce a clamp voltage (can regulate by adjustable electric pole plate) that is greater than power frequency supply power voltage peak value when lightning current discharges, make lightning current that Lightning Over-voltage produces can be smoothly through this device release and power current cannot pass through this device, thereby stoped the generation of power frequency continued flow.The utility model discharge capacity is large, overload capacity is strong, reaction speed is fast, voltage clamping is stable, can effectively to thunder-strike current, discharge the electric arc producing and carry out arc extinguishing, the tripping operation that minimizing causes because of power frequency continued flow, prevent the insulator arc-over causing because of Lightning Over-voltage, bottle explosion, the accidents such as broken string, number of times and the particular location that can also invade for the circuit experience lightning overvoltage that this device is installed carry out record simultaneously, for power supply unit is collected circuit thunder activity law data, being convenient to power supply administration analyzes lightening activity situation on whole piece circuit, to carry out key protection to subjecting to the region of thunderbolt, improve the power supply reliability of transmission line.
With reference to Fig. 1, be further used as preferred embodiment, described high-field electrode 1 is connected with described aerial condutor 3 by C shape casing mechanism, a side towards insulator 4 in described C shape casing mechanism is provided with arc end 11, in described C shape casing mechanism, a side of insulator 4 is provided with arcing arm 12 dorsad, and described arc end 11 and arcing arm 12 are all tilted to down and stretch out.
Wherein, high-field electrode is the particular aluminum alloy material with high conduction performance and high melting temperature, adopts the C shape shell structure with " breathing altogether " function when itself and aerial condutor crimping, only needs a bolt just aerial condutor reliably can be compressed.High-field electrode can be high pressure puncture electrode, is designed with arc end and arcing arm on it, electric discharge burning point can be directed on high-field electrode and be burnt by aerial condutor, has stopped the broken string accident causing in a certain some burning of aerial condutor because of directly.
Be further used as preferred embodiment, the core body of described current limiting element 2 is formed by stacking by a plurality of zinc oxide resistance sheets, and the overcoat of described current limiting element 2 is silastic material.
Current limiting element core body of the present utility model is made by high performance Zno varistor sheet, and the material of its overcoat is the silicon rubber with good insulation property, ageing resistace and fire resistance.
Be further used as preferred embodiment, described discharge counter 22 is three circulating counters, and described three circulating counters 22 are integrated with current limiting element 2.
Wherein, three circulating counters and current limiting element adopt integrated design, and three circulating counter bit are in the lower end side of current limiting element.Three circulating counters of the present utility model can be selected the circulating counter of big font, and its maximum counts is 999 times.
Be further used as preferred embodiment, described radius tip electrode 21 is stainless steel sphere electrode.
Be further used as preferred embodiment, described adjustable electric pole plate 5 is also provided with for regulating the stainless steel bolt 53 of described flexible lamp pole plate 51 positions.
Adjustable electric pole plate of the present utility model consists of flexible lamp pole plate and fixed plate electrode, need to regulate flexible lamp pole plate and while obtaining required clamp voltage, only needs degree of tightness stainless steel bolt 5, very simple and convenient.
Concrete installation process of the present utility model is as follows:
A, user be according to the needs that use, and selects the product type corresponding with the nominal cross of aerial condutor (bare wire or insulated wire) and mounting points insulator model used; And the utility model to be arranged on to the load side of insulator while using.
B, installation high-voltage electrode.As shown in Figure 1, high-field electrode is arranged on aerial condutor, the striking arm (the short side of C shape casing mechanism) on attention high-field electrode is towards insulator, and arcing arm (the long side of C shape casing mechanism) is insulator dorsad.First adjust when mounted the distance between high-field electrode and briquetting 6 and insulator, then the bolt that screws up with a wrench, finally tighten lock nut, to prevent bolt looseness.During installation, to guarantee that high-field electrode is closely connected with the electric conductor of aerial condutor.
C, the grounding electrode with thunder and lightning positioner is installed.Unclamp the nut on electric insulator steel foot, the prong of the grounding electrode installation end with thunder and lightning positioner is inserted between insulator foot and cross arm of tower, notice that sphere discharge end is positioned at the below of aerial condutor and high-voltage discharging electrode, as shown in Figure 1.During installation, adjust the outreach with thunder and lightning positioner grounding electrode, to guarantee that it meets installation dimension requirement, and will notice that the digitizing tablet of discharge counter will be towards oliquely downward, so that the angle of observing.
If D needs to use on insulated wire, also want installing insulating guard shield.Finally insulating shield is being arranged on high-field electrode and is buckling well clasp nail.Mounted thunder and lightning positioner as shown in Figure 1.
Compared with prior art, tool has the following advantages the utility model:
(1), when thunderbolt causes that two-phase or three-phase discharge simultaneously, the utility model can be blocked alternate power frequency continued flow effectively, prevent because of lightning discharge not in time arc extinguishing cause phase fault accident.
(2) the utility model can be blocked power frequency continued flow effectively, can not cause because of the power frequency continued flow of single-phase electric discharge the tripping operation of circuit zero sequence.
(3) the utility model does not have specific (special) requirements to earth resistance, has reduced difficulty of construction that ground network transformation is brought and Jin Fei spending, applied widely and cost is low.
(4) the utility model is furnished with high pressure puncture electrode, electric discharge burning point can be directed on high-field electrode and be burnt by wire, has stopped the broken string accident directly causing in a certain some burning of wire.
(5) the thunder discharge counting device that the utility model self does not have with other products, can to lightning discharge number of times, carry out record exactly, power supply administration can be positioned the region of being often struck by lightning on circuit according to the data of historical record, thereby can to the frequent region of lightening activity, carry out key protection targetedly, more reliable.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and the distortion that these are equal to or replacement are all included in the application's claim limited range.
Claims (6)
1. a thunder and lightning location type lightning-protection break wire device, it is characterized in that: comprise the high-field electrode (1) being arranged on insulator (4) load side aerial condutor (3), the below of described high-field electrode (1) is provided with current limiting element (2), the top of described current limiting element (2) is provided with radius tip electrode (21), between described high-field electrode (1) and radius tip electrode (21), is provided with series gap (a); The lower end side of described current limiting element (2) is provided with discharge counter (22), it is upper that described current limiting element (2) is fixed on adjustable electric pole plate (5) by the first bolt (23), and described adjustable electric pole plate (5) is provided with flexible lamp pole plate (51) and fixed plate electrode (52).
2. a kind of thunder and lightning location type lightning-protection break wire device according to claim 1, it is characterized in that: described high-field electrode (1) is connected with described aerial condutor (3) by C shape casing mechanism, a side towards insulator (4) in described C shape casing mechanism is provided with arc end (11), in described C shape casing mechanism, a side of insulator (4) is provided with arcing arm (12) dorsad, and described arc end (11) and arcing arm (12) are all tilted to down and stretch out.
3. a kind of thunder and lightning location type lightning-protection break wire device according to claim 1, is characterized in that: the core body of described current limiting element (2) is formed by stacking by a plurality of zinc oxide resistance sheets, and the overcoat of described current limiting element (2) is silastic material.
4. a kind of thunder and lightning location type lightning-protection break wire device according to claim 1, is characterized in that: described discharge counter (22) is three circulating counters, and described three circulating counters (22) are integrated with current limiting element (2).
5. a kind of thunder and lightning location type lightning-protection break wire device according to claim 1, is characterized in that: described radius tip electrode (21) is stainless steel sphere electrode.
6. a kind of thunder and lightning location type lightning-protection break wire device according to claim 1, is characterized in that: described adjustable electric pole plate (5) is also provided with for regulating the stainless steel bolt (53) of described flexible lamp pole plate (51) position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617058.1U CN203504118U (en) | 2013-10-08 | 2013-10-08 | Thunder and lightning positioning type anti-thunder and wire breakage preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617058.1U CN203504118U (en) | 2013-10-08 | 2013-10-08 | Thunder and lightning positioning type anti-thunder and wire breakage preventing device |
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| Publication Number | Publication Date |
|---|---|
| CN203504118U true CN203504118U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320617058.1U Expired - Lifetime CN203504118U (en) | 2013-10-08 | 2013-10-08 | Thunder and lightning positioning type anti-thunder and wire breakage preventing device |
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| CN (1) | CN203504118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106936110A (en) * | 2017-04-28 | 2017-07-07 | 浙江永固电缆附件有限公司 | Overvoltage protection device |
-
2013
- 2013-10-08 CN CN201320617058.1U patent/CN203504118U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106936110A (en) * | 2017-04-28 | 2017-07-07 | 浙江永固电缆附件有限公司 | Overvoltage protection device |
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Granted publication date: 20140326 |
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| CX01 | Expiry of patent term |