CN220252947U - High-capacity lightning arrester - Google Patents
High-capacity lightning arrester Download PDFInfo
- Publication number
- CN220252947U CN220252947U CN202321072265.3U CN202321072265U CN220252947U CN 220252947 U CN220252947 U CN 220252947U CN 202321072265 U CN202321072265 U CN 202321072265U CN 220252947 U CN220252947 U CN 220252947U
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- CN
- China
- Prior art keywords
- lightning arrester
- resistance
- resistor
- conductive plate
- capacity
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009434 installation Methods 0.000 claims abstract description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004880 explosion Methods 0.000 claims description 13
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract description 18
- 239000011787 zinc oxide Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Abstract
The utility model relates to the technical field of lightning arresters, and provides a high-capacity lightning arrester which comprises a shell, a resistor piece, an upper lead wire installation end and a grounding lead wire end, wherein the upper lead wire installation end and the grounding lead wire end are respectively installed at two ends of the resistor piece, a plurality of resistor pieces are installed in the shell, and the resistor pieces are connected in parallel through conductive pieces. Through the technical scheme, the problem that the zinc oxide lightning arrester in the prior art is insufficient in current capacity to meet the use requirements of certain conditions, so that protected equipment is damaged is solved.
Description
Technical Field
The utility model relates to the technical field of lightning arresters, in particular to a high-capacity lightning arrester.
Background
A lightning arrester is an electrical appliance for protecting electrical equipment from high transient overvoltage hazards during lightning strokes and limiting the freewheel time, also often limiting the freewheel amplitude, sometimes also called overvoltage protector, overvoltage limiter. The lightning arrester is connected with the electrical appliance original to be protected in parallel in the use process, and the use environment judges what type of lightning arrester is selected. The most common arrester is a zinc oxide arrester, the function of the arrester is realized mainly by virtue of a nonlinear resistor valve plate in the arrester, the main component is zinc oxide, and the resistor plate of the material has extremely excellent nonlinear characteristics. In the prior art, the current capacity of the zinc oxide lightning arrester is insufficient to meet the use requirements of certain situations, so that the protected equipment is damaged, and a scheme is proposed to solve the problem.
Disclosure of Invention
The utility model provides a high-capacity lightning arrester, which solves the problem that the capacity of a zinc oxide lightning arrester in the related art is insufficient to meet the use requirements of certain situations.
The technical scheme of the utility model is as follows:
the utility model provides a high-capacity arrester, includes casing, resistance spare, goes up lead wire installation end and ground lead terminal, go up lead wire installation end with the ground lead terminal install respectively in resistance spare both ends, resistance spare has a plurality ofly, and is a plurality of resistance spare is all installed in the casing, a plurality of resistance spare is parallelly connected through the electrically conductive piece.
As a further technical scheme, the conductive piece comprises a first conductive plate and a second conductive plate, one ends of the plurality of resistor pieces are connected with the upper lead mounting end through the first conductive plate, and the other ends of the plurality of resistor pieces are connected with the grounding lead end through the second conductive plate.
As a further technical scheme, the novel solar energy collecting device further comprises an insulating support, wherein the insulating support is sleeved on the shell, and the insulating support is provided with a mounting hole.
As a further technical scheme, the device also comprises a thermal explosion remover, wherein one end of the thermal explosion remover is fixedly arranged on the second conductive plate and is connected with the plurality of parallel resistance pieces in series, and the other end of the thermal explosion remover is fixedly connected with the grounding lead end.
As a further technical scheme, the three resistance elements are arranged in the shell along the circumferential direction of the shell.
The working principle and the beneficial effects of the utility model are as follows: after three resistance pieces are connected in parallel through a conductive piece, an upper lead is connected with an electric wire, and then is arranged at the ground lead end after one end of the ground lead of the upper lead mounting section is grounded, so that the whole arrester is connected in parallel with equipment to be protected, the resistance pieces are made of zinc oxide materials, zinc oxide is a piezoresistor, the resistance of the resistance pieces is quite large in normal operation, the circuit is equivalent to a circuit breaking, the resistance of the resistance pieces becomes quite small when being struck by lightning, the circuit is equivalent to a wire, so that current is led into the ground through the ground lead connected with the ground lead end, the effect of protecting equipment is achieved, and after the three resistance pieces are connected in parallel, the total resistance is quite small, larger current flow is obtained, so that the discharge capacity of the arrester is increased, the current capacity of the arrester is insufficient under certain conditions, and the problem that the protected equipment is damaged is caused.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of a high capacity arrester structure according to the present utility model;
fig. 2 is a top view of a high capacity arrester of the present utility model;
in the figure: 1. the device comprises a shell, 2, a resistor, 3, an upper lead mounting end, 4, a grounding lead end, 5, a conductive piece, 6, a first conductive plate, 7, a second conductive plate, 8, an insulating bracket, 9, a mounting hole, 10 and a thermal explosion remover.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-2, this embodiment provides a high-capacity lightning arrester, which includes a housing 1, a resistor 2, an upper lead mounting end 3 and a ground lead end 4, where the upper lead mounting end 3 and the ground lead end 4 are respectively mounted at two ends of the resistor 2, and the high-capacity lightning arrester includes a plurality of resistors 2, a plurality of resistors 2 are all mounted in the housing 1, and a plurality of resistors 2 are connected in parallel through conductive members 5.
In this embodiment, after the three resistor elements 2 are connected in parallel through the conductive element 5, the upper lead is connected with the electric wire, and then is installed at the upper lead installation end 3, and after one end of the ground lead is grounded, the three resistor elements 2 are installed at the ground lead end 4, so that the whole arrester is connected in parallel with the equipment to be protected, the resistor elements 2 are made of zinc oxide material, zinc oxide is piezoresistor, the resistance of the resistor elements 2 is very large in normal operation, the circuit is equivalent to circuit breaking, the resistance of the resistor elements 2 becomes very small in lightning strike, the circuit is equivalent to a wire, so that the current is led into the ground through the ground lead connected with the ground lead end 4, the effect of protecting the equipment is achieved, and after the three resistor elements 2 are connected in parallel, the total resistance is reduced, so that a larger current flow is obtained, the discharge capacity of the arrester is increased, so that under certain conditions, the current capacity of the arrester is insufficient, and the problem of being damaged by the protecting equipment is caused.
Further, the method also comprises the steps of,
the conducting piece 5 comprises a conducting plate I6 and a conducting plate II 7, one ends of a plurality of the resistor pieces 2 are connected with the upper lead mounting end 3 through the conducting plate I6, and the other ends of a plurality of the resistor pieces 2 are connected with the grounding lead end 4 through the conducting plate II 7.
In this embodiment, the first conductive plate 6 is used to connect the ends of the plurality of resistor elements 2 with the same polarity, and the second conductive plate 7 is used to connect the ends of the plurality of resistor elements 2 with the other polarity, so as to achieve the effect of parallel connection of the plurality of resistor elements 2.
Further, the method also comprises the steps of,
the insulating support 8, insulating support 8 cover is established on the casing 1, insulating support 8 is last to have mounting hole 9.
In this embodiment, after the insulating support 8 is sleeved on the casing 1, one end with the mounting hole 9 is connected to the mounting rack through a bolt, so that the lightning arrester can be fixed on the mounting rack, and the damage caused by the loosening phenomenon is prevented.
Further, the method also comprises the steps of,
and one end of the thermal explosion separator 10 is fixedly arranged on the second conducting plate 7, is connected in series with the plurality of parallel resistance elements 2, and the other end of the thermal explosion separator 10 is fixedly connected with the grounding lead end 4.
In this embodiment, the thermal explosion remover 10 is mounted on the second conductive plate 7 and is connected in series with the resistor element 2, when the resistor element 2 is damaged, for example, the resistor is reduced during normal operation, so that the resistor in the thermal explosion remover 10 is heated by power frequency fault current, the resistor is increased, a gap connected in parallel with the resistor is broken down by the current, an arc is generated, the thermal explosion tube is continuously heated, and the lightning arrester is separated from a circuit system until the thermal explosion element in the thermal explosion remover 10 explodes, so that the purpose of separation is achieved, and larger damage is avoided.
Further, the method also comprises the steps of,
three resistance elements 2 are provided in the housing 1 along the circumferential direction of the housing 1.
In this embodiment, the resistance component 2 quantity has three to set up along casing 1 circumference in casing 1 inside, make the structure more stable, facilitate the use installation.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a high-capacity arrester, includes casing (1), resistance spare (2), goes up lead wire installation end (3) and ground lead end (4), go up lead wire installation end (3) with ground lead end (4) install respectively in resistance spare (2) both ends, a serial communication port, resistance spare (2) have a plurality of, a plurality of resistance spare (2) are all installed in casing (1), a plurality of resistance spare (2) are parallelly connected through electrically conductive piece (5).
2. A high capacity lightning arrester according to claim 1, wherein the conductive member (5) comprises a first conductive plate (6) and a second conductive plate (7), one ends of the plurality of resistive members (2) are connected to the upper lead mounting end (3) through the first conductive plate (6), and the other ends of the plurality of resistive members (2) are connected to the ground lead (4) through the second conductive plate (7).
3. A high capacity lightning arrester according to claim 1, further comprising an insulating bracket (8), wherein the insulating bracket (8) is sleeved on the housing (1), and the insulating bracket (8) is provided with a mounting hole (9).
4. A high capacity lightning arrester according to claim 1, further comprising a thermal explosion remover (10), wherein one end of the thermal explosion remover (10) is fixedly mounted on the second conductive plate (7), and is connected in series with the plurality of parallel-connected resistive members (2), and the other end is fixedly connected with the ground lead terminal (4).
5. A high capacity arrester according to claim 1, characterized in that the three resistance elements (2) are arranged circumferentially of the housing (1) inside the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321072265.3U CN220252947U (en) | 2023-05-06 | 2023-05-06 | High-capacity lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321072265.3U CN220252947U (en) | 2023-05-06 | 2023-05-06 | High-capacity lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220252947U true CN220252947U (en) | 2023-12-26 |
Family
ID=89234047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321072265.3U Active CN220252947U (en) | 2023-05-06 | 2023-05-06 | High-capacity lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220252947U (en) |
-
2023
- 2023-05-06 CN CN202321072265.3U patent/CN220252947U/en active Active
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