CN211555607U - Electrified detachable series gap arrester with fault self-ejection function - Google Patents
Electrified detachable series gap arrester with fault self-ejection function Download PDFInfo
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- CN211555607U CN211555607U CN202020003212.6U CN202020003212U CN211555607U CN 211555607 U CN211555607 U CN 211555607U CN 202020003212 U CN202020003212 U CN 202020003212U CN 211555607 U CN211555607 U CN 211555607U
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- supporting
- arrester
- lightning arrester
- arrester body
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Abstract
The utility model discloses a charged detachable series gap arrester with fault self-eject function, which relates to the field of arresters and comprises an arrester body and a supporting insulator, wherein the bottom end of the arrester body and the bottom end of the supporting insulator are connected through a movable mechanism, the top end of the supporting insulator is arranged on the supporting mechanism, and a supporting plate is arranged on the side wall of the supporting insulator; a thermal explosion separator is arranged in the top of the lightning arrester body and is installed on the supporting mechanism through a connecting piece. The utility model has the advantages that: the thermal explosion disconnector is arranged at the top of the lightning arrester body, so that the thermal explosion disconnector is prevented from being exposed to a severe working environment for a long time, the service life is prolonged, the performance of the thermal explosion disconnector is more reliable, and the defect of misoperation of the disconnector is avoided; the connecting structure between the lightning arrester and the movable mechanism and between the lightning arrester and the supporting mechanism is simplified, and potential fault points are reduced; the fixed outer gap lightning arrester is arranged, and the service life of the lightning arrester is prolonged by isolating power frequency voltage.
Description
Technical Field
The utility model relates to a lightning arrester field especially relates to an electrified detachable series gap lightning arrester who possesses trouble bullet function.
Background
The drop-out arrester is a novel arrester, and its arrester body and disconnector adopt the components of a whole that can function independently form equipment, can overhaul the arrester under the circumstances of not cutting off the power supply. However, the disconnector is exposed externally, so that the disconnector is easily corroded and aged by environmental influence, and meanwhile, leakage current exists on the surface of the lightning arrester body, so that the disconnector is easily subjected to misoperation.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides an electrified detachable series gap arrester that possesses trouble bullet function mainly solves drop-out arrester life-span weak point and the release produces the problem of maloperation easily.
In order to solve the technical problem, the technical scheme of the utility model as follows:
a charged detachable series gap lightning arrester with a fault self-eject function comprises a lightning arrester body and a supporting insulator, wherein the bottom end of the lightning arrester body and the bottom end of the supporting insulator are connected through a movable mechanism;
a thermal explosion separator is arranged in the top of the lightning arrester body and is installed on the supporting mechanism through a connecting piece.
In some embodiments, the discharge electrode is installed in the middle of the side wall of the arrester body, the pull ring is installed on the top of the side wall, and a fixed outer gap is arranged between the discharge electrode and the pull ring.
In some embodiments, the movable mechanism is a shaft or a pulley.
In some embodiments, the support insulator and the support plate are molded in one piece.
In some embodiments, the support mechanism is made of stainless steel.
The utility model has the advantages that:
1. the thermal explosion disconnector is arranged at the top of the lightning arrester body in the lightning arrester body, so that the thermal explosion disconnector is prevented from being exposed in a severe working environment for a long time, the service life is prolonged, the performance of the thermal explosion disconnector is more reliable, and the defect that the disconnector is mistakenly operated is avoided.
2. Through simplifying the connection structure between the arrester body and the moving mechanism and the supporting mechanism, the potential fault points are reduced, and the problem that the arrester cannot automatically fall due to the fact that the arrester body is corroded between the arrester body and the moving mechanism and the supporting mechanism in a long-time severe environment is avoided. Meanwhile, the whole volume of the arrester is greatly reduced after the structure is simplified.
3. The fixed outer gap is arranged between the discharge electrode and the pull ring, so that the arrester body is isolated from the system power frequency voltage, the arrester body does not bear the power frequency voltage, and is not mistakenly moved under the power frequency overvoltage and the operation overvoltage, the service life of a zinc oxide valve plate in the arrester body is indirectly prolonged, and the arrester installation line which is degraded but not bounced is protected doubly.
Drawings
Fig. 1 is a schematic view of an electrified detachable series gap arrester with a fault self-bouncing function according to an embodiment of the present invention;
wherein: 1-a lightning arrester body, 2-a supporting insulator, 3-a moving mechanism, 4-a supporting mechanism, 5-a supporting plate, 6-a thermal explosion separator, 7-a discharge electrode, 8-a pull ring and 9-a connecting piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the following will explain the contents of the present invention in detail with reference to the accompanying drawings and the detailed description. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present invention are shown in the drawings.
According to fig. 1, the present embodiment provides a live detachable series gap arrester with a fault self-eject function, which includes an arrester body 1 and a supporting insulator 2, wherein a bottom end of the arrester body 1 and a bottom end of the supporting insulator 2 are connected by a movable mechanism 3, a top end of the supporting insulator 2 is mounted on a supporting mechanism 4, and a side wall of the supporting insulator 2 is mounted with a supporting plate 5; the movable mechanism 3 can be an articulated piece such as a rotating shaft and a pulley, and the articulating function between the lightning arrester body 1 and the supporting insulator 2 can be met.
The thermal explosion disconnector 6 is arranged in the top of the arrester body 1, the thermal explosion disconnector 6 is installed on the supporting mechanism 4 through the connecting piece 9 (the figure does not completely show the position relationship between the connecting piece 9 and the supporting mechanism 4, and the specification is taken as the standard), specifically, the supporting mechanism 4 radially extends out a part of connecting part from the outer surface of the arrester body 1, and the connecting piece 9 connects the connecting part and the thermal explosion disconnector 6 together, that is, as mentioned above, "the thermal explosion disconnector 6 is installed on the supporting mechanism 4 through the connecting piece 9", of course, the specific method can be various, and on the premise that the thermal explosion disconnector 6 is exploded and falls off, the thermal explosion disconnector 6 can be installed on the supporting mechanism 4. The thermal explosion disconnector 6 is arranged at the top of the lightning arrester body 1 in the lightning arrester body, so that the thermal explosion disconnector 6 is prevented from being exposed to severe working environment for a long time, the service life is prolonged, the performance of the thermal explosion disconnector is more reliable, and the defect that the disconnector is mistakenly operated is avoided. The connecting piece 9 is a connecting piece such as a bolt and the like which can install the thermal explosion disconnector 6 on the supporting mechanism 4, after the thermal explosion disconnector 6 acts, the connecting piece 9 immediately falls off, so that the lightning arrester body 1 is ejected towards the pull ring 8 under the reaction force, the electrical disconnection with a power grid is realized, meanwhile, the ejected lightning arrester body 1 gives an obvious deterioration prompt, a line patrol worker can find a fault point in time, and the replacement of the lightning arrester body 1 can be realized only by an insulating operating rod under a live condition.
Through simplifying the connection structure between the arrester body 1 and the moving mechanism 3 and the supporting mechanism 4, the hidden trouble points are reduced, and the problem that the arrester cannot automatically fall due to the fact that the arrester body 1 is corroded between the moving mechanism 3 and the supporting mechanism 4 in a long-time severe environment is avoided. Meanwhile, the whole volume of the arrester is greatly reduced after the structure is simplified.
The middle part of the side wall of the arrester body 1 is provided with a discharge electrode 7, the top of the side wall is provided with a pull ring 8, a fixed outer gap is arranged between the discharge electrode 7 and the pull ring 8, so that the arrester body 1 is isolated from the power frequency voltage of a system, the arrester body 1 does not bear the power frequency voltage, no misoperation is caused under the power frequency overvoltage and the operation overvoltage, the service life of a zinc oxide valve plate inside the arrester body 1 is indirectly prolonged, and the arrester installation line which is not flicked off due to degradation plays a role in double protection.
Furthermore, the supporting insulator 2 and the supporting plate 5 are formed in one step, and the end part of the supporting plate 5 and the insulator are vulcanized and insulated together, so that the stress problem of the supporting plate 5 is solved, the insulating requirement is met without prolonging the length of the supporting insulator 2, and the appearance is simple and attractive.
Furthermore, the supporting mechanism 4 is made of stainless steel, the metal part of the supporting mechanism 4 is made of stainless steel, the weather resistance is good, and the device can be installed on a line with a severe environment and cannot be damaged after long-time operation. The specific shape and installation manner of the support mechanism 4 are not particularly limited, and whether the fixed support function with the arrester body 1 and the support insulator 2 can be realized is sufficient, and those skilled in the art can modify the support mechanism to a certain extent according to actual experience.
The top end of the supporting mechanism 4 is further provided with a high voltage terminal (shown and not labeled) for accessing to a power grid, and the bottom end of the supporting insulator 2 is further provided with a grounding terminal (shown and not labeled) for accessing to a ground wire.
The working principle is as follows: before the electrified detachable series gap lightning arrester with the fault self-eject function is used, a high-voltage terminal is connected into a power grid, a grounding terminal is connected into a ground wire, and a support plate 5 is arranged on the surfaces of fixed objects such as telegraph poles and the like according to actual conditions; when a zinc oxide valve plate in the lightning arrester body 1 is degraded to a certain degree and the generated power frequency leakage current reaches a certain numerical value, the thermal explosion separator 6 acts, the connecting piece 9 immediately falls off, the lightning arrester body 1 is ejected towards the pull ring 8 under the reaction force, the lightning arrester body 1 is ejected in a circular motion mode by taking the movable mechanism 3 connected to the bottom of the lightning arrester body as the center of a circle, and finally the lightning arrester body is hoisted below the movable mechanism 3 to realize the electrical disconnection with a power grid.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides a electrified detachable series gap arrester that possesses trouble bullet function certainly, includes arrester body (1) and supporting insulator (2), its characterized in that: the bottom end of the lightning arrester body (1) and the bottom end of the supporting insulator (2) are connected through a movable mechanism (3), the top end of the supporting insulator (2) is installed on a supporting mechanism (4), and a supporting plate (5) is installed on the side wall of the supporting insulator (2);
a thermal explosion separator (6) is arranged in the top of the lightning arrester body (1), and the thermal explosion separator (6) is installed on the supporting mechanism (4) through a connecting piece (9).
2. The live removable series gap arrester with fault self-eject function of claim 1, wherein: discharge electrode (7) are installed to arrester body (1) lateral wall mid-mounting, and pull ring (8) are installed at the lateral wall top, set up fixed outer clearance between discharge electrode (7) and pull ring (8).
3. The live removable series gap arrester with fault self-eject function of claim 1, wherein: the movable mechanism (3) is a rotating shaft.
4. The live removable series gap arrester with fault self-eject function of claim 1, wherein: the supporting insulator (2) and the supporting plate (5) are formed in one step.
5. The live removable series gap arrester with fault self-eject function of claim 1, wherein: the supporting mechanism (4) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020003212.6U CN211555607U (en) | 2020-01-02 | 2020-01-02 | Electrified detachable series gap arrester with fault self-ejection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020003212.6U CN211555607U (en) | 2020-01-02 | 2020-01-02 | Electrified detachable series gap arrester with fault self-ejection function |
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| CN211555607U true CN211555607U (en) | 2020-09-22 |
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| CN202020003212.6U Active CN211555607U (en) | 2020-01-02 | 2020-01-02 | Electrified detachable series gap arrester with fault self-ejection function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289530A (en) * | 2020-10-23 | 2021-01-29 | 河南四达电力设备股份有限公司 | Lightning-protection explosion-proof single-phase-grounding composite column insulator |
| CN114725879A (en) * | 2022-06-08 | 2022-07-08 | 常州瑞禧电力设备有限公司 | External fixed gap drop-out overvoltage protector capable of live working |
| CN114974766A (en) * | 2022-05-31 | 2022-08-30 | 国网福建省电力有限公司电力科学研究院 | Gapless lightning arrester capable of sensing fault and working method thereof |
-
2020
- 2020-01-02 CN CN202020003212.6U patent/CN211555607U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289530A (en) * | 2020-10-23 | 2021-01-29 | 河南四达电力设备股份有限公司 | Lightning-protection explosion-proof single-phase-grounding composite column insulator |
| CN114974766A (en) * | 2022-05-31 | 2022-08-30 | 国网福建省电力有限公司电力科学研究院 | Gapless lightning arrester capable of sensing fault and working method thereof |
| CN114974766B (en) * | 2022-05-31 | 2024-01-23 | 国网福建省电力有限公司电力科学研究院 | Gapless lightning arrester capable of sensing faults and working method thereof |
| CN114725879A (en) * | 2022-06-08 | 2022-07-08 | 常州瑞禧电力设备有限公司 | External fixed gap drop-out overvoltage protector capable of live working |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Charged Detachable Series Gap Arrester with Fault Self elastic Function Effective date of registration: 20221020 Granted publication date: 20200922 Pledgee: Bank of China Limited Guangzhou Development Zone Branch Pledgor: GUANGZHOU ZHONGGUANG ELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2022980018863 |