CN217902823U - 10kV fault indication type insulator lightning arrester - Google Patents
10kV fault indication type insulator lightning arrester Download PDFInfo
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- CN217902823U CN217902823U CN202221703611.9U CN202221703611U CN217902823U CN 217902823 U CN217902823 U CN 217902823U CN 202221703611 U CN202221703611 U CN 202221703611U CN 217902823 U CN217902823 U CN 217902823U
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- arrester
- screw rod
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- gold utensil
- insulator
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Abstract
The utility model relates to a 10kV fault indication type insulator arrester, it includes the insulator arrester the connection of insulator arrester lower part one side is equipped with fault indicator, the insulator arrester includes the umbrella body to and establish last gold utensil and lower gold utensil at both ends about the umbrella body, the lower extreme of gold utensil is the screw rod end down be equipped with the insulating tube in the umbrella body from last spring, magnet tube, a plurality of resistance card, aluminium electrode and the insulating pad of down being equipped with in the insulating tube the upper and lower both ends of magnet tube are equipped with conical copper sheet respectively, the aluminium electrode links to each other with overhanging screw rod, fault indicator establishes on overhanging screw rod, it breaks away from the wire to be equipped with night light between the screw rod end of overhanging screw rod and lower gold utensil. The utility model discloses prevent that the thunderbolt overvoltage from arousing insulator flashover or puncture and then blow insulated wire under the power frequency electric arc of concentrating to can effectively reduce the tripping operation of system.
Description
Technical Field
The utility model relates to an insulator arrester, concretely relates to fault indication type insulator arrester.
Background
At present, an insulated conductor is basically replaced by a bare conductor in a domestic 10kV overhead line, the interphase short circuit and the grounding fault rate are obviously reduced, but the lightning stroke disconnection fault caused by the insulated conductor and a post insulator is increased to some extent, and the lightning stroke disconnection fault becomes a main source seriously threatening the safe operation of the line. The grounding fault caused by lightning strike failure of the insulator occurs sometimes, and the failure insulator is difficult to find during line patrol.
Disclosure of Invention
The purpose of the invention is as follows: the utility model aims at overcoming not enough among the prior art, provide one kind and prevent that thunderbolt overvoltage from arousing that the insulator flashover or puncture and then blow insulated wire under the power frequency electric arc of concentrating to can effectively reduce the 10kV fault indication type insulator arrester of system's tripping operation.
The technical scheme is as follows: in order to solve the technical problem, 10kV fault indication type insulator arrester, it includes the insulator arrester lower part one side is connected and is equipped with fault indicator, the insulator arrester includes the umbrella body to and establish last gold utensil and lower gold utensil at both ends about the umbrella body, the lower extreme of gold utensil is the screw rod end down be equipped with the insulating tube in the umbrella body last spring, magnet tube, a plurality of resistance card, aluminium electrode and the insulating pad of down being equipped with respectively in the insulating tube the upper and lower both ends of magnet tube are equipped with conical copper sheet, aluminium electrode links to each other with overhanging screw rod, fault indicator establishes on overhanging screw rod, it breaks away from the wire to be equipped with night light between the screw rod end of overhanging screw rod and lower gold utensil.
Further, the fault indicator comprises a shell, a coil assembly is arranged in the shell, and a fault indicator explosion marking belt and a fault indicator electric control unit are arranged below the coil assembly.
Furthermore, a high-voltage lead is connected to the upper part of the upper hardware fitting.
Further, the number of the resistor discs is four.
Furthermore, a sheath is arranged on the extended screw rod between the umbrella body and the fault indicator, and the sheath and the umbrella body are integrally formed.
Furthermore, the insulator lightning arrester is fixed on the pole tower cross arm through a lower hardware fitting.
Furthermore, fastening nuts are arranged at the screw ends of the overhanging screw and the lower hardware fitting.
Has the advantages that: compared with the prior art, the utility model, it is showing the advantage and is: the utility model discloses a collect post insulator, the gap arrester, function brand-new product as an organic whole such as fault indicator, built-in discharge gap and the metallic zinc oxide resistance card of insulator arrester, under normal condition, high-resistance arrester resistance card and discharge gap do not move, do not bear lasting power frequency operating voltage, it is difficult for ageing to be in "rest" state, only when exceeding stipulated thunder and lightning overvoltage value, the discharge gap can be punctured, form short-circuit channel, lasting power frequency electric arc just burns between the outer clearance, release overvoltage energy, effectively prevent accidents such as thunder and lightning broken string and insulator damage, after the voltage release, arrester resistance card resumes high resistance, the gap discharge stops, the high power frequency discharge voltage in clearance, guarantee that the arrester does not move under operating overvoltage, the excellent nonlinearity of protector, make power frequency afterflow restriction very little, be favorable to electric arc extinguishing in the twinkling of an eye;
an insulating support post which can bear power frequency overvoltage is arranged in the lower portion of the insulator arrester, a side outlet wire leads out a fault indicator which is connected in series and has a separation function, when the arrester breaks down, the fault indicator is separated, single-phase grounding caused by the arrester failure is effectively avoided, after the separator is separated, an obvious break point is arranged outside, and a luminous separation lead is arranged, so that a maintainer can conveniently search for the fault indicator in 24 hours;
the product can prevent lightning overvoltage from causing insulator flashover or breakdown and further blow the insulated conductor under the concentrated power frequency electric arc, and can effectively reduce system tripping, thereby not only improving the safe operation level of a power system, but also greatly reducing the labor intensity of construction operators, saving the limited space of an operation surface and realizing the maintenance-free operation in the true sense.
Drawings
FIG. 1 is a schematic view of the overall configuration of the present invention;
fig. 2 is a schematic view of the internal structure of the middle insulator arrester of the present invention;
fig. 3 is a schematic structural diagram of the middle fault indicator of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1, fig. 2 and fig. 3, 10kV fault indication type insulator arrester, it includes insulator arrester 1 lower part one side connection is equipped with fault indicator 2, fault indicator 2 includes casing 15 be equipped with coil pack 16 in the casing 15 coil pack 16 below is equipped with fault indicator explosion marking belt 17 and the automatically controlled unit 18 of fault indicator, insulator arrester 1 includes umbrella body 3 to and establish last gold utensil 4 and lower gold utensil 5 at umbrella body 3 upper and lower both ends go up gold utensil 4 upper portion and even have high-voltage conductor, the lower extreme of gold utensil 5 is the screw rod end down, insulator arrester 1 fixes on shaft tower 20 through lower gold utensil 5 be equipped with insulating tube 6 in the umbrella body 3 be equipped with spring 7, magnet tube 8, four resistance sheets 9, aluminum electrode 10 and insulating pad 11 from last downward be equipped with spring 7, magnet tube 8, four resistance sheets 9 in insulating tube 6 the upper and lower both ends of magnet tube 8 are equipped with conical 12 respectively, aluminum electrode 10 links to each other with the screw rod 13, the fault indicator is established on 2 screw rod 2 and the screw rod 13 protection sleeve 19 of umbrella body 13, and the screw rod 13 are equipped with luminous screw rod 13 and the screw rod 13 protection cover that the shaping is equipped with the screw rod 13 under the screw rod 13.
The utility model discloses a collect post insulator, the gap arrester, function brand-new product as an organic whole such as fault indicator, built-in discharge gap and the metallic zinc oxide resistance card of insulator arrester, under normal condition, high-resistance arrester resistance card and discharge gap do not move, do not bear lasting power frequency operating voltage, it is difficult for ageing to be in "rest" state, only when exceeding stipulated thunder and lightning overvoltage value, the discharge gap can be punctured, form short-circuit channel, lasting power frequency electric arc just burns between the outer clearance, release overvoltage energy, effectively prevent accidents such as thunder and lightning broken string and insulator damage, after the voltage release, arrester resistance card resumes high resistance, the gap discharge stops, the high power frequency discharge voltage in clearance, guarantee that the arrester does not move under operating overvoltage, the excellent nonlinearity of protector, make power frequency afterflow restriction very little, be favorable to electric arc extinguishing in the twinkling of an eye; an insulating support post which can bear power frequency overvoltage is arranged in the lower portion of the insulator arrester, a side outlet wire leads out a fault indicator which is connected in series and has a separation function, when the arrester breaks down, the fault indicator is separated, single-phase grounding caused by the arrester failure is effectively avoided, after the separator is separated, an obvious break point is arranged outside, and a luminous separation lead is arranged, so that a maintainer can conveniently search for the fault indicator in 24 hours; the product can prevent lightning overvoltage from causing insulator flashover or breakdown and further blow the insulated conductor under the concentrated power frequency electric arc, and can effectively reduce system tripping, thereby not only improving the safe operation level of a power system, but also greatly reducing the labor intensity of construction operators, saving the limited space of an operation surface and realizing the maintenance-free operation in the true sense.
The utility model provides a thinking and method, the method and the way of specifically realizing this technical scheme are many, above only the utility model discloses a preferred embodiment should point out, to the ordinary technical personnel in this technical field, not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also be regarded as the utility model discloses a protection range, each component that does not make clear and definite in this embodiment all can be realized with prior art.
Claims (7)
1.10kV fault indication type insulator arrester, its characterized in that: it includes insulator arrester (1) lower part one side is connected and is equipped with fault indicator (2), insulator arrester (1) is including umbrella body (3) to and establish last gold utensil (4) and lower gold utensil (5) at both ends about umbrella body (3), the lower extreme of gold utensil (5) is the screw rod end down be equipped with insulating tube (6) in umbrella body (3) from last spring (7), magnet pipe (8), a plurality of resistance card (9), aluminium electrode (10) and insulating pad (11) down be equipped with conical copper sheet (12) respectively at the upper and lower both ends of magnet pipe (8), aluminium electrode (10) link to each other with overhanging screw rod (13), fault indicator (2) are established on overhanging screw rod (13), be equipped with between the screw rod end of screw rod (13) and lower gold utensil (5) and break away from night light wire (14).
2. The 10kV fault indication type insulator arrester of claim 1, wherein: the fault indicator (2) comprises a shell (15), a coil assembly (16) is arranged in the shell (15), and a fault indicator explosion marking belt (17) and a fault indicator electronic control unit (18) are arranged below the coil assembly (16).
3. The 10kV fault indication type insulator arrester of claim 1, wherein: the upper part of the upper hardware fitting (4) is connected with a high-voltage lead.
4. The 10kV fault indication type insulator arrester of claim 1, wherein: four resistor discs (9) are arranged.
5. The 10kV fault indication type insulator arrester of claim 1, wherein: a sheath (19) is arranged on the extended screw (13) between the umbrella body (3) and the fault indicator (2), and the sheath (19) and the umbrella body (3) are integrally formed.
6. The 10kV fault indication type insulator arrester of claim 1, wherein: the insulator lightning arrester (1) is fixed on the pole tower cross arm (20) through a lower hardware fitting (5).
7. The 10kV fault indication type insulator arrester of claim 1, wherein: and fastening nuts are arranged at the screw ends of the overhanging screw (13) and the lower hardware fitting (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221703611.9U CN217902823U (en) | 2022-07-05 | 2022-07-05 | 10kV fault indication type insulator lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221703611.9U CN217902823U (en) | 2022-07-05 | 2022-07-05 | 10kV fault indication type insulator lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217902823U true CN217902823U (en) | 2022-11-25 |
Family
ID=84131945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221703611.9U Active CN217902823U (en) | 2022-07-05 | 2022-07-05 | 10kV fault indication type insulator lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217902823U (en) |
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2022
- 2022-07-05 CN CN202221703611.9U patent/CN217902823U/en active Active
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