CN217820675U - Switch cabinet partial discharge monitoring device - Google Patents
Switch cabinet partial discharge monitoring device Download PDFInfo
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- CN217820675U CN217820675U CN202221660325.9U CN202221660325U CN217820675U CN 217820675 U CN217820675 U CN 217820675U CN 202221660325 U CN202221660325 U CN 202221660325U CN 217820675 U CN217820675 U CN 217820675U
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- partial discharge
- insulating shell
- discharge monitoring
- spiral antenna
- archimedes spiral
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Abstract
The utility model provides a cubical switchboard partial discharge monitoring devices belongs to cubical switchboard technical field, concretely relates to cubical switchboard partial discharge monitoring devices. The utility model provides a small, convenient to use's cubical switchboard partial discharge monitoring devices. The utility model discloses an insulating casing, its characterized in that: the upper surface in the insulating shell is provided with an Archimedes spiral antenna of an ultrahigh frequency sensor through a clamping hook, a balun is arranged on the Archimedes spiral antenna, a mounting pipe communicated with the inside and the outside of the insulating shell is arranged on the upper surface in the insulating shell and positioned on the side of the Archimedes spiral antenna, and an ultrasonic sensor is arranged in the mounting pipe; and binding posts connected with the ultrasonic sensor and the ultrahigh frequency sensor are arranged on the side wall of the insulating shell.
Description
Technical Field
The utility model belongs to the technical field of the cubical switchboard, concretely relates to cubical switchboard partial discharge monitoring devices.
Background
Partial discharge is a main cause of insulation degradation and insulation failure of a high-voltage switch cabinet, although partial discharge generally does not cause through breakdown of an insulator, if the partial discharge exists for a long time, the electrical strength of an insulation medium may be reduced, and further, many secondary problems are caused, so that accurate detection of the partial discharge of the switch cabinet is required, and currently, mainstream detection methods include an ultrasonic method, an Ultra High Frequency (UHF) method and the like.
In order to make the partial discharge detection result more accurate, people also use an ultrasonic method and an Ultra High Frequency (UHF) method together to perform combined detection, and the combined detection can reduce the problems of electromagnetic interference and signal attenuation suffered by a single detection.
In the prior art, the switch cabinet partial discharge monitoring device for joint detection has the problems of large volume and inconvenient movement, and is difficult to be matched with a switch cabinet well according to actual conditions.
Disclosure of Invention
The utility model discloses to above-mentioned problem, provide a small, convenient to use's cubical switchboard partial discharge monitoring devices.
In order to realize the above object of the utility model, the utility model discloses a following technical scheme, the utility model discloses an insulating casing, its characterized in that: the upper surface in the insulating shell is provided with an Archimedes spiral antenna of an ultrahigh frequency sensor through a clamping hook, a balun is arranged on the Archimedes spiral antenna, a mounting pipe which is communicated with the inside and the outside of the insulating shell is arranged on the upper surface in the insulating shell and positioned on the side of the Archimedes spiral antenna, and an ultrasonic sensor is arranged in the mounting pipe; and binding posts connected with the ultrasonic sensor and the ultrahigh frequency sensor are arranged on the side wall of the insulating shell.
As an optimized scheme of the utility model, the installation intraductal snap ring that is provided with fixed ultrasonic sensor.
As another preferred aspect of the present invention, the lower surface is provided with a magnet in the insulating housing.
As the third preferred aspect of the present invention, the upper surface is provided with a top block cooperating with the archimedes helical antenna in the insulating housing, and the top block keeps the gap between the archimedes helical antenna and the inner wall of the insulating housing.
As a fourth preferred aspect of the present invention, the insulating housing includes a bottom plate and an upper cover, the bottom plate is a flat plate structure; a magnet is fixedly arranged on the bottom plate; the upper cover is a rectangular box body with an opening at one side; the bottom plate closes the opening of the upper cover.
Furthermore, the magnet is fixed on the bottom plate in a gluing or buckling mode.
The utility model has the advantages that: 1. ultrasonic sensor and hyperfrequency sensor are integrated to in the insulating casing, when guaranteeing measuring range, can also reduce cubical switchboard partial discharge monitoring devices's volume, especially reduce by a wide margin in the direction of height, can be applied to comparatively constrictive cubical switchboard inner space.
2. The utility model discloses fix ultrasonic sensor on the snap ring in the installation pipe, can pass through the fixed ultrasonic sensor's of snap ring position, tubular structure does not influence ultrasonic sensor's detection effect yet simultaneously.
3. The utility model discloses set up magnet on the bottom plate, can use sticky or the fixed mode of buckle, need not to use the connecting piece, further reduce the utility model discloses a whole height.
Drawings
Fig. 1 is a schematic diagram of the internal structure of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 2.
Fig. 4 is a sectional view B-B of fig. 2.
In the figure, 1 is a clamping hook, 2 is an ultrahigh frequency sensor, 3 is an insulating shell, 4 is an ultrasonic sensor, 5 is an installation tube, 6 is a binding post, 7 is a balun, 8 is an Archimedes spiral antenna, 9 is a magnet, 10 is a top block, 11 is an upper cover, 12 is a bottom plate, and 13 is a clamping ring.
Detailed Description
The utility model discloses an insulating casing 3, its characterized in that: an Archimedes spiral antenna 8 of the ultrahigh frequency sensor 2 is arranged on the inner upper surface of the insulating shell 3 through a clamping hook 1, a balun 7 is arranged on the Archimedes spiral antenna 8, a mounting pipe 5 which is communicated with the inside and the outside of the insulating shell 3 is arranged on the inner upper surface of the insulating shell 3 and is positioned on the side of the Archimedes spiral antenna 8, and an ultrasonic sensor 4 is arranged in the mounting pipe 5; and a binding post 6 connected with the ultrasonic sensor 4 and the ultrahigh frequency sensor 2 is arranged on the side wall of the insulating shell 3.
As an optimized scheme of the utility model, be provided with fixed ultrasonic sensor 4's snap ring 13 in the installation pipe 5.
As another preferable embodiment of the present invention, the lower surface in the insulating housing 3 is provided with a magnet 9.
As a third preferred aspect of the present invention, the upper surface is provided with a top block 10 cooperating with the archimedes spiral antenna 8 in the insulating housing 3, and the top block 10 keeps the gap between the archimedes spiral antenna 8 and the inner wall of the insulating housing 3.
As a fourth preferred aspect of the present invention, the insulating housing includes a bottom plate 12 and an upper cover 11, the bottom plate 12 is a flat plate structure; a magnet 9 is fixedly arranged on the bottom plate 12; the upper cover 11 is a rectangular box body with an opening at one side; the bottom plate 12 closes the opening of the upper cover 11.
Further, the magnet 9 is fixed on the bottom plate 12 by gluing or snapping.
The utility model discloses during the use, through the magnetic force of magnet 9, can will the utility model discloses adsorb on the cabinet wall of cubical switchboard, because the utility model discloses small, thickness is little, easily changes the utility model discloses a position, convenient to use, strong adaptability.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (6)
1. The utility model provides a cubical switchboard partial discharge monitoring devices, includes insulating casing (3), its characterized in that: an Archimedes spiral antenna (8) of the ultrahigh-frequency sensor (2) is arranged on the inner upper surface of the insulating shell (3) through the clamping hook (1), a balun (7) is arranged on the Archimedes spiral antenna (8), a mounting pipe (5) communicated with the inside and the outside of the insulating shell (3) is arranged on the inner upper surface of the insulating shell (3) and positioned on the side of the Archimedes spiral antenna (8), and an ultrasonic sensor (4) is arranged in the mounting pipe (5); and a binding post (6) connected with the ultrasonic sensor (4) and the ultrahigh frequency sensor (2) is arranged on the side wall of the insulating shell (3).
2. The switch cabinet partial discharge monitoring device according to claim 1, characterized in that: and a clamping ring (13) for fixing the ultrasonic sensor (4) is arranged in the mounting pipe (5).
3. The switch cabinet partial discharge monitoring device according to claim 1, characterized in that: and a magnet (9) is arranged on the inner lower surface of the insulating shell (3).
4. The switch cabinet partial discharge monitoring device according to claim 1, characterized in that: and a top block (10) matched with the Archimedes spiral antenna (8) is arranged on the inner upper surface of the insulating shell (3), and the Archimedes spiral antenna (8) and the inner wall of the insulating shell (3) keep a gap by the top block (10).
5. The switch cabinet partial discharge monitoring device according to claim 1, characterized in that: the insulating shell comprises a bottom plate (12) and an upper cover (11), wherein the bottom plate (12) is of a flat plate structure; a magnet (9) is fixedly arranged on the bottom plate (12); the upper cover (11) is a rectangular box body with an opening at one side; the bottom plate (12) closes the opening of the upper cover (11).
6. The switch cabinet partial discharge monitoring device according to claim 5, characterized in that: the magnet (9) is fixed on the bottom plate (12) in an adhesive or buckling mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221660325.9U CN217820675U (en) | 2022-06-30 | 2022-06-30 | Switch cabinet partial discharge monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221660325.9U CN217820675U (en) | 2022-06-30 | 2022-06-30 | Switch cabinet partial discharge monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217820675U true CN217820675U (en) | 2022-11-15 |
Family
ID=83960086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221660325.9U Active CN217820675U (en) | 2022-06-30 | 2022-06-30 | Switch cabinet partial discharge monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217820675U (en) |
-
2022
- 2022-06-30 CN CN202221660325.9U patent/CN217820675U/en active Active
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