CN218897066U - Lightning arrester matched with gas-insulated metal-enclosed switchgear - Google Patents
Lightning arrester matched with gas-insulated metal-enclosed switchgear Download PDFInfo
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- CN218897066U CN218897066U CN202222351165.6U CN202222351165U CN218897066U CN 218897066 U CN218897066 U CN 218897066U CN 202222351165 U CN202222351165 U CN 202222351165U CN 218897066 U CN218897066 U CN 218897066U
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- insulated metal
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- enclosed switchgear
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Abstract
The utility model relates to the technical field of power systems, and particularly discloses a lightning arrester matched with gas-insulated metal-enclosed switchgear. The lightning arrester for the gas-insulated metal-enclosed switchgear comprises a shell, a monitor and a densimeter valve; the shell is provided with a wiring terminal row, the monitor is arranged on one side of the shell along the first direction, and the monitor is arranged adjacent to the wiring terminal row; meanwhile, the densimeter valve is arranged on the other side of the shell along the first direction, and the monitor and the densimeter valve are respectively arranged at two ends of the shell along the second direction. According to the utility model, the monitors and densimeter valves of the two lightning arresters for the gas-insulated metal-enclosed switchgear, which are arranged side by side, can be arranged at intervals along the second direction, so that the space occupied by the lightning arresters for the gas-insulated metal-enclosed switchgear can be reduced, and the space between the two lightning arresters for the gas-insulated metal-enclosed switchgear can be reduced.
Description
Technical Field
The utility model relates to the technical field of power systems, in particular to a lightning arrester matched with gas-insulated metal-enclosed switchgear.
Background
The gas-insulated metal-enclosed switchgear is one of important power transmission and transformation equipment, and consists of a circuit breaker, a disconnecting switch, a grounding switch, a transformer, a lightning arrester, a bus, a connecting piece, an outgoing terminal and the like. Under the condition of ensuring safe and reliable operation, the gas-insulated metal-enclosed switchgear is developed towards the requirements of small occupied space, intensive and miniaturization. The lightning arrester is used as power equipment for protecting power transmission and distribution equipment from overvoltage attack, and the shell of the lightning arrester is provided with more auxiliary instruments, so that the space occupied by the lightning arrester is large, and the miniaturization of the gas-insulated metal-enclosed switchgear is further affected.
Disclosure of Invention
The utility model aims to provide a lightning arrester matched with gas-insulated metal-enclosed switchgear, which aims to solve the problems that the space occupied by the lightning arrester is large and the miniaturization of the gas-insulated metal-enclosed switchgear is further affected in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a lightning arrester for gas-insulated metal-enclosed switchgear, comprising:
the shell is provided with a wiring terminal row;
the monitor is arranged on one side of the shell along the first direction, and the monitor is arranged adjacent to the wiring terminal block;
the densimeter valve is arranged on the other side of the shell along the first direction; the monitor and the densimeter valve are respectively arranged at two ends of the shell along the second direction, so that the two monitors and the densimeter valve of the lightning arresters matched with the gas-insulated metal-enclosed switchgear, which are arranged side by side, can be arranged at intervals along the second direction.
As an alternative scheme of the lightning arrester matched with the gas-insulated metal-enclosed switchgear, the shell is provided with a mounting bracket, the mounting bracket is provided with an inclined plane, and the monitor is detachably connected with the inclined plane of the mounting bracket so as to form an included angle with the shell.
As an alternative scheme of the lightning arrester matched with the gas-insulated metal-enclosed switchgear, a plurality of monitors are arranged, and the monitors are arranged on the inclined plane side by side.
As an alternative scheme of matching the lightning arrester with the gas-insulated metal-enclosed switchgear, the distance between the wiring terminal block and the densimeter valve along the second direction is equal to the distance between the monitor and the densimeter valve along the second direction; the wiring terminal row and the monitor are arranged at an included angle relative to the shell, and the included angle ranges from 40 degrees to 50 degrees.
As an alternative scheme of the lightning arrester matched with the gas-insulated metal-enclosed switchgear, the shell comprises a shell body and a shell cover, and the shell cover is detachably connected to one end of the shell body along the second direction.
As an alternative scheme of the lightning arrester matched with the gas-insulated metal-enclosed switchgear, the shell body is further provided with a flange plate, and the flange plate is arranged at the other end of the shell body along the second direction.
As an alternative scheme of the lightning arrester matched with the gas-insulated metal-enclosed switchgear, the shell body is a cylindrical shell, and the wiring terminal block, the monitor and the densimeter valve are all arranged on the arc-shaped side wall of the shell body.
As an alternative scheme of the lightning arrester matched with the gas-insulated metal-enclosed switchgear, a lightning stroke counter is further arranged on the shell, and the lightning stroke counter is electrically connected with the monitor.
As an alternative scheme of the lightning arrester matched with the gas-insulated metal-enclosed switchgear, an explosion-proof film is further arranged on the shell.
The beneficial effects of the utility model are as follows:
the lightning arrester for the gas-insulated metal-enclosed switchgear comprises a shell, a monitor and a densimeter valve. Be provided with binding post row on the shell, the one side of shell along the first direction is located to the monitor, and the monitor sets up with binding post row is adjacent to the monitor is connected with binding post row electricity after, can carry out real-time alarm control to the excessive current leakage of gas-insulated metal-enclosed switchgear supporting arrester, in order to make things convenient for the staff to overhaul gas-insulated metal-enclosed switchgear supporting arrester. The monitor and the wiring terminal strip that set up adjacently are nearer to use shorter connecting wire just can connect monitor and wiring terminal strip, with convenient wiring, reduce the shared space of wiring, and reduced manufacturing cost. The densimeter valve is arranged on the other side of the shell along the first direction and is connected with the densimeter so as to control the on-off between the shell and the densimeter, and the densimeter is convenient for detecting the air pressure inside the shell and preventing the air pressure from being abnormal. The monitor and the densimeter valve are respectively arranged at two ends of the shell along the second direction, so that the monitor and the densimeter valve of the lightning arresters matched with the two gas-insulated metal-enclosed switchgear arranged side by side can be arranged at intervals along the second direction, interference of the monitor and the densimeter valve is avoided, the space occupied by the lightning arresters matched with the gas-insulated metal-enclosed switchgear arranged can be reduced under the condition that workers observe the monitor and the densimeter valve conveniently, and the space between the lightning arresters matched with the two gas-insulated metal-enclosed switchgear is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a lightning arrester for a gas-insulated metal-enclosed switchgear according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of two lightning arresters for gas-insulated metal-enclosed switchgear according to an embodiment of the present utility model;
fig. 3 is a top view of a lightning arrester for a gas-insulated metal-enclosed switchgear according to an embodiment of the present utility model.
In the figure:
1. a housing; 11. a terminal block; 12. a mounting bracket; 121. an inclined surface; 13. a housing body; 131. a flange plate; 132. a connecting piece; 14. a cover; 15. an explosion-proof membrane; 2. a monitor; 3. densitometer valve.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled 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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
The embodiment provides a lightning arrester matched with gas-insulated metal-enclosed switchgear, which is used for protecting electrical equipment from high transient overvoltage during lightning stroke.
As shown in fig. 1 to 3, the lightning arrester for the gas-insulated metal-enclosed switchgear comprises a shell 1, a monitor 2 and a densitometer valve 3. Be provided with binding post row 11 on the shell 1, one side along first direction (i.e. the X direction in the drawing) is located to shell 1 to monitor 2, and monitor 2 and binding post row 11 are adjacent to be set up to monitor 2 and binding post row 11 electricity are connected the back, can carry out real-time alarm control to the excessive current leakage of gas insulated metal enclosed switchgear supporting with the arrester, in order to make things convenient for the staff to overhaul gas insulated metal enclosed switchgear supporting with the arrester. The distance between the adjacent monitor 2 and the wiring terminal block 11 is relatively short, so that the monitor 2 and the wiring terminal block 11 can be connected by using relatively short connecting lines, wiring is facilitated, space occupied by the wiring is reduced, and manufacturing cost is reduced.
The densimeter valve 3 is located the opposite side of shell 1 along the first direction to be connected with the densimeter, with the break-make between control shell 1 and the densimeter, make things convenient for the densimeter to detect the inside atmospheric pressure of shell 1, prevent that atmospheric pressure is unusual. The monitor 2 and the densimeter valve 3 are respectively arranged at two ends of the shell 1 along the second direction (namely, the Y direction in the drawing), so that the monitor 2 and the densimeter valve 3 of the lightning arresters for the gas-insulated metal-enclosed switchgear, which are arranged side by side, can be arranged at intervals along the second direction, thereby avoiding the interference between the monitor 2 and the densimeter valve 3, and reducing the space occupied by the lightning arresters for the gas-insulated metal-enclosed switchgear, which are arranged side by side, under the condition that operators observe the monitor 2 and the densimeter valve 3 conveniently, and reducing the space between the lightning arresters for the gas-insulated metal-enclosed switchgear. Specifically, the gap requirement of 1 meter can be met between two gas-insulated metal-enclosed switchgear supporting lightning arresters. Wherein the first direction and the second direction are perpendicular to each other.
Further, be provided with installing support 12 on the shell 1, installing support 12 has inclined plane 121, and monitor 2 can dismantle the inclined plane 121 of connection in installing support 12 to make monitor 2 and shell 1 be the contained angle setting, and then in the staff's inspection process, can conveniently detect monitor 2 between a plurality of gas-insulated metal-enclosed switchgear supporting lightning arresters and other devices. Optionally, the monitors 2 are provided in plurality, and the monitors 2 are arranged on the inclined plane 121 side by side, so that the real-time alarm monitoring is performed on the exceeding current leakage of the lightning arrester for the gas-insulated metal-enclosed switchgear by the monitors 2, the safety of the lightning arrester for the gas-insulated metal-enclosed switchgear is improved, and the potential safety hazard generated after the single monitor 2 fails is prevented. Optionally, a lightning stroke counter is further arranged on the shell 1, the lightning stroke counter can count the number of times of struck by lightning of the lightning arrester for the gas-insulated metal-enclosed switchgear, which is struck by lightning, in the lightning arrester for the gas-insulated metal-enclosed switchgear, can be positioned, and the lightning stroke counter is electrically connected with the monitor 2, so that the monitor 2 can automatically detect the counting action number of the lightning stroke counter, and the data can be fed back conveniently.
As shown in fig. 2 and 3, the distance between the terminal block 11 and the densimeter valve 3 along the second direction is equal to the distance between the monitor 2 and the densimeter valve 3 along the second direction, so that the terminal block 11 will not interfere with the densimeter valve 3 when the plurality of lightning arresters for gas-insulated metal-enclosed switchgear are arranged side by side. The binding post row 11 is the contained angle setting for shell 1 with monitor 2, and the angular range of contained angle is 40 ~ 50 to this wiring between convenient binding post row 11 and the monitor 2 has avoided binding post row 11 to cause the condition of sheltering from to monitor 2, can also reduce the length of wiring.
As shown in fig. 1 and 2, the casing 1 includes a casing body 13 and a casing cover 14, where the casing cover 14 is detachably connected to one end of the casing body 13 along the second direction, so that the casing cover 14 is detachably connected to the casing body 13, which is convenient for a worker to overhaul the lightning arrester for the gas-insulated metal-enclosed switchgear, thereby prolonging the service life of the lightning arrester for the gas-insulated metal-enclosed switchgear. Meanwhile, the shell body 13 is further provided with a flange plate 131, and the flange plate 131 is arranged at the other end of the shell body 13 along the second direction, so that the lightning arrester matched with the gas-insulated metal-enclosed switchgear can be installed on other electrical equipment through the flange plate 131. Specifically, the connection member 132 can be connected to other electrical devices after passing through the through hole in the flange plate 131. Optionally, the casing body 13 is cylindrical shell, and the binding post row 11, the monitor 2 and the densimeter valve 3 are all located on the arc lateral wall of casing body 13, and cylindrical shell is convenient to make, can reduce the manufacturing cost of the supporting arrester of using of gas-insulated metal-enclosed switchgear, and can enlarge the scope that the staff observed monitor 2 and densimeter valve 3.
Further, an explosion-proof film 15 is further arranged on the shell 1, and after the shell 1 is filled with insulating gas, the explosion-proof film 15 is used for avoiding gas expansion of the insulating gas at different temperatures, so that the shell 1 is expanded and burst.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (9)
1. A lightning arrester for a gas insulated metal enclosed switchgear, comprising:
the connecting terminal comprises a shell (1), wherein a connecting terminal strip (11) is arranged on the shell (1);
the monitor (2) is arranged on one side of the shell (1) along the first direction, and the monitor (2) is arranged adjacent to the wiring terminal block (11);
a densitometer valve (3), wherein the densitometer valve (3) is arranged on the other side of the shell (1) along the first direction; the monitor (2) and the densimeter valve (3) are respectively arranged at two ends of the shell (1) along the second direction, so that the two monitors (2) and the densimeter valve (3) which are arranged side by side and are matched with the lightning arrester for the gas-insulated metal-enclosed switchgear can be arranged at intervals along the second direction.
2. The lightning arrester for a gas-insulated metal-enclosed switchgear according to claim 1, wherein a mounting bracket (12) is provided on the housing (1), the mounting bracket (12) has an inclined surface (121), and the monitor (2) is detachably connected to the inclined surface (121) of the mounting bracket (12), so that the monitor (2) is disposed at an angle with the housing (1).
3. The lightning arrester for a gas-insulated metal-enclosed switchgear according to claim 2, wherein a plurality of the monitors (2) are provided, and a plurality of the monitors (2) are arranged side by side on the inclined surface (121).
4. The arrester for a gas insulated metal-enclosed switchgear according to claim 1, wherein the spacing of the terminal block (11) from the densitometer valve (3) along the second direction is equal to the spacing of the monitor (2) from the densitometer valve (3) along the second direction; the wiring terminal row (11) and the monitor (2) are arranged at an included angle relative to the shell (1), and the included angle is 40-50 degrees.
5. The lightning arrester for a gas-insulated metal-enclosed switchgear according to claim 1, wherein the housing (1) comprises a housing body (13) and a cover (14), the cover (14) being detachably connected to one end of the housing body (13) in the second direction.
6. The lightning arrester for a gas-insulated metal-enclosed switchgear according to claim 5, wherein the housing body (13) further has a flange plate (131), and the flange plate (131) is disposed at the other end of the housing body (13) along the second direction.
7. The lightning arrester for a gas-insulated metal-enclosed switchgear according to claim 5, wherein the housing body (13) is a cylindrical shell, and the terminal block (11), the monitor (2) and the densimeter valve (3) are all disposed on an arc-shaped side wall of the housing body (13).
8. The lightning arrester for a gas insulated metal-enclosed switchgear according to claim 1, characterized in that a lightning counter is further provided on the housing (1) and is electrically connected to the monitor (2).
9. The lightning arrester for gas-insulated metal-enclosed switchgear according to claim 1, characterized in that the casing (1) is further provided with an explosion-proof membrane (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222351165.6U CN218897066U (en) | 2022-09-05 | 2022-09-05 | Lightning arrester matched with gas-insulated metal-enclosed switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222351165.6U CN218897066U (en) | 2022-09-05 | 2022-09-05 | Lightning arrester matched with gas-insulated metal-enclosed switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218897066U true CN218897066U (en) | 2023-04-21 |
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ID=86002399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222351165.6U Active CN218897066U (en) | 2022-09-05 | 2022-09-05 | Lightning arrester matched with gas-insulated metal-enclosed switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218897066U (en) |
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2022
- 2022-09-05 CN CN202222351165.6U patent/CN218897066U/en active Active
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