CN210984419U - Composite outer sleeve gapless metal oxide lightning arrester with grounding electroscope - Google Patents
Composite outer sleeve gapless metal oxide lightning arrester with grounding electroscope Download PDFInfo
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- CN210984419U CN210984419U CN201922133921.6U CN201922133921U CN210984419U CN 210984419 U CN210984419 U CN 210984419U CN 201922133921 U CN201922133921 U CN 201922133921U CN 210984419 U CN210984419 U CN 210984419U
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- disconnector
- arrester
- metal oxide
- wiring board
- gapless metal
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Abstract
The utility model discloses a composite coat gapless metal oxide arrester with grounding device, including the arrester element, the top of arrester element passes the bottom of lower casing and the bottom fixed connection of wiring board, and the top of wiring board passes the bottom of upper casing through the earth bar and communicates with each other with the external world, and the bottom fixed connection of arrester element has the disconnector, and the surface cover of disconnector is equipped with the disconnector protective housing, the utility model discloses composite coat gapless metal oxide arrester with grounding device, simple structure is reasonable, and the equipment of being convenient for has composite coat, and there is no gap, and is safe in utilization; self portable trouble identification means, when the arrester broke down, power frequency current lastingly increased a definite value, and the disconnector can move rapidly, withdraws from the back with trouble arrester from power transmission system, instructs arrow point automatic indication warning sign, is convenient for discover the fault point rapidly, and disconnector protective housing protection disconnector, safe in utilization.
Description
Technical Field
The invention relates to a metal oxide arrester, in particular to a composite jacket gapless metal oxide arrester with a grounding electroscope, belonging to the technical field of arresters.
Background
The Metal Oxide Arrester (MOA) is an important protective electrical appliance for protecting the insulation of power transmission and transformation equipment from being damaged by overvoltage, has the advantages of quick response, flat volt-ampere characteristic, stable performance, large through-current capacity, low residual voltage, long service life, simple structure and the like, is widely used in power generation, power transmission, power transformation, power distribution and other systems, and can not respond timely to withdraw the fault arrester from a power transmission system if the arrester fails in use, can not find a fault point quickly and is unsafe to use.
Disclosure of Invention
The invention aims to provide a composite outer sleeve gapless metal oxide arrester with a grounding electroscope, which aims to solve the problems that the existing metal oxide arrester provided in the background art cannot respond timely to withdraw the fault arrester from a power transmission system and cannot find out a fault point quickly and is unsafe to use if the arrester fails in use.
In order to achieve the purpose, the invention provides the following technical scheme: the composite outer sleeve gapless metal oxide arrester with the grounding electroscope comprises an arrester element, wherein the top end of the arrester element penetrates through the bottom of a lower shell and the bottom of a wiring board, the top of the wiring board penetrates through the bottom of an upper shell through a grounding rod and is communicated with the outside, the top of the lower shell is fixedly connected with the upper shell through a screw and a bolt, the bottom end of the arrester element is fixedly connected with a disconnector, and a disconnector protective shell is sleeved on the surface of the disconnector.
As a preferable technical scheme of the invention, two ends of the bottom of the lower shell are fixedly connected with one ends of the mounting pieces through screws, and the other ends of the two mounting pieces are provided with mounting holes.
As a preferred technical scheme of the invention, a rubber ring is sleeved on an outer ring at the connection part of the wiring board and the lightning arrester element.
As a preferred technical scheme of the invention, the top end of the wiring board is sleeved with a ground rod protective sleeve, and one side of the ground rod protective sleeve is fixedly connected with a pull ring.
As a preferred technical scheme of the invention, one side of the protective shell of the disconnector is provided with a bar-shaped chute, the inside of the bar-shaped chute is connected with an indication arrow in a sliding manner, one end of the indication arrow is fixedly connected with the bottom end of the disconnector through a connecting rod, and two ends of one side of the bar-shaped chute are respectively and fixedly provided with a normal working mark and a warning mark.
Compared with the prior art, the invention has the beneficial effects that: the composite outer sleeve gapless metal oxide arrester with the grounding electroscope has the advantages of simple and reasonable structure, convenient assembly, composite outer sleeve, no gap and safe use; self portable trouble identification means, when the arrester broke down, power frequency current lastingly increased a definite value, and the disconnector can move rapidly, withdraws from the back with trouble arrester from power transmission system, instructs arrow point automatic indication warning sign, is convenient for discover the fault point rapidly, and disconnector protective housing protection disconnector, safe in utilization.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the detacher protective housing of the present invention.
In the figure: 1. a lightning arrester element; 2. a lower housing; 3. an upper housing; 4. a wiring board; 5. a ground rod; 6. mounting a sheet; 7. a separator; 8. a detacher protective case; 9. a rubber ring; 10. a strip-shaped chute; 11. an arrow is indicated; 12. marking the normal work; 13. a warning mark; 14. a ground rod protective sleeve; 15. and (4) a pull ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the invention provides a composite jacket gapless metal oxide arrester with a grounding electroscope, comprising an arrester element 1, wherein the top end of the arrester element 1 passes through the bottom of a lower shell 2 to be fixedly connected with the bottom of a wiring board 4, the top of the wiring board 4 passes through the bottom of an upper shell 3 through a grounding rod 5 to be communicated with the outside, the top of the lower shell 2 is fixedly connected with the upper shell 3 through a screw and a bolt, the bottom end of the arrester element 1 is fixedly connected with a disconnector 7, and the surface of the disconnector 7 is sleeved with a disconnector protective shell 8.
Preferably, both ends of the bottom of the lower shell 2 are fixedly connected with one ends of the mounting pieces 6 through screws, and mounting holes are formed in the other ends of the two mounting pieces 6; the outer ring of the connection part of the wiring board 4 and the lightning arrester element 1 is sleeved with a rubber ring 9; a grounding rod protective sleeve 14 is sleeved at the top end of the wiring board 4, and one side of the grounding rod protective sleeve 14 is fixedly connected with a pull ring 15; strip-shaped sliding groove 10 is seted up to one side of disconnector protective housing 8, and the inside sliding connection of strip-shaped sliding groove 10 has instruction arrow 11, and the bottom fixed connection of connecting rod and disconnector 7 is passed through to the one end of instruction arrow 11, and the both ends of strip-shaped sliding groove 10 one side are fixed normal work sign 12 and the warning sign 13 of being provided with respectively.
When the lightning arrester is used, the composite outer sleeve gapless metal oxide lightning arrester with the grounding verification device comprises an upper shell 3 and a lower shell 2, wherein the upper shell and the lower shell clamp a fixed wiring board 4, a lightning arrester element 1 is fixed, the lightning arrester is installed and fixed through two installation sheets 6, a grounding rod 5 is connected with the ground to conduct lightning, a grounding rod protective sleeve 14 is sleeved on the grounding rod 5 through a pull ring 15, a disconnector 7 is used as a special accessory of the lightning arrester and is connected with the lightning arrester element 1 in series, when the lightning arrester breaks down, power frequency current is continuously increased to a certain value, the disconnector 7 can rapidly act to withdraw the broken lightning arrester from a power transmission system, when the disconnector 7 breaks away, the bottom end of the disconnector 7 moves downwards under the action of gravity, an indication arrow 11 is driven by a connecting rod to move, a pointing warning mark 13 is changed from pointing to a normal working mark 12, an obvious mark is provided, and a, the use is safe.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Composite overcoat zero clearance metal oxide arrester of area ground test device, including arrester element (1), its characterized in that, the bottom fixed connection of bottom and wiring board (4) of casing (2) down is passed on the top of arrester element (1), the bottom that upper housing (3) was passed through earth bar (5) in the top of wiring board (4) communicates with each other with the external world, screw and bolt and upper housing (3) fixed connection are passed through to the top of casing (2) down, the bottom fixedly connected with disconnector (7) of arrester element (1), the surface cover of disconnector (7) is equipped with disconnector protective housing (8).
2. The composite housed gapless metal oxide arrester of claim 1 wherein: the two ends of the bottom of the lower shell (2) are fixedly connected with one ends of the mounting pieces (6) through screws, and the mounting holes are formed in the other ends of the mounting pieces (6).
3. The composite housed gapless metal oxide arrester of claim 1 wherein: and a rubber ring (9) is sleeved on an outer ring at the joint of the wiring board (4) and the lightning arrester element (1).
4. The composite housed gapless metal oxide arrester of claim 1 wherein: the top of the wiring board (4) is sleeved with a ground rod protective sleeve (14), and one side of the ground rod protective sleeve (14) is fixedly connected with a pull ring (15).
5. The composite housed gapless metal oxide arrester of claim 1 wherein: strip spout (10) have been seted up to one side of disconnector protective housing (8), the inside sliding connection of strip spout (10) has instruction arrow point (11), just the bottom fixed connection of connecting rod and disconnector (7) is passed through to the one end of instruction arrow point (11), the both ends of strip spout (10) one side are fixed normal work sign (12) and warning sign (13) of being provided with respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922133921.6U CN210984419U (en) | 2019-12-03 | 2019-12-03 | Composite outer sleeve gapless metal oxide lightning arrester with grounding electroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922133921.6U CN210984419U (en) | 2019-12-03 | 2019-12-03 | Composite outer sleeve gapless metal oxide lightning arrester with grounding electroscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210984419U true CN210984419U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922133921.6U Active CN210984419U (en) | 2019-12-03 | 2019-12-03 | Composite outer sleeve gapless metal oxide lightning arrester with grounding electroscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210984419U (en) |
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2019
- 2019-12-03 CN CN201922133921.6U patent/CN210984419U/en active Active
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