CN214254872U - High-voltage cable built-in partial discharge sensor terminal waterproof outlet base - Google Patents
High-voltage cable built-in partial discharge sensor terminal waterproof outlet base Download PDFInfo
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- CN214254872U CN214254872U CN202120661930.7U CN202120661930U CN214254872U CN 214254872 U CN214254872 U CN 214254872U CN 202120661930 U CN202120661930 U CN 202120661930U CN 214254872 U CN214254872 U CN 214254872U
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- terminal
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- partial discharge
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Abstract
A signal terminal is connected with a terminal seat in a matched mode through an O-shaped ring I, the terminal seat is connected with a wire outlet seat and a terminal gland in a matched mode through an O-shaped ring II, an insulating cap is connected with the wire outlet seat in a matched mode through a sealing gasket, the wire outlet seat and the insulating cap form first radial sealing, the O-shaped ring I, the terminal seat and the signal terminal form second axial sealing, the O-shaped ring II, the terminal seat and the wire outlet seat form third axial sealing, and the three sealing structures effectively prevent external moisture and water from entering the inside of a cable, so that main insulation inside the cable is prevented from being damaged due to the moisture.
Description
Technical Field
The utility model relates to a sensor seal waterproof and moistureproof technical field, in particular to built-in partial discharge sensor terminal waterproof outlet base of high tension cable.
Background
At present, a high-voltage cable built-in partial discharge sensor is increasingly used for detecting a partial discharge signal of a cable joint, but when the high-voltage cable built-in partial discharge sensor is arranged in a cable, a test signal wire needs to be led out from the inside of the cable, so that sealing and waterproof treatment when the signal wire is led out is of great importance, and the cable is difficult to seal or has great hidden danger to safe operation due to poor sealing effect or sealing failure.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a terminal waterproof wire outlet seat of a built-in partial discharge sensor of cable thoroughly solves the hidden danger that the wire outlet position is waterproof, dampproof and the like and is not good in sealing.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a terminal waterproof wire outlet seat of built-in partial discharge sensor of cable, includes signal terminal 8, and signal terminal 8 is connected with terminal seat 3 cooperation through O type circle I1, and terminal seat 3 is connected with the cooperation of being qualified for the next round of competitions seat 4 and terminal gland 5 through O type circle II 2, and insulating cap 7 is connected with the cooperation of being qualified for the next round of competitions seat 4 through sealed 6.
The terminal seat 3, the wire outlet seat 4, the terminal gland 5, the sealing gasket 6, the insulating cap 7 and the signal terminal 8 are all cylindrical structures.
The utility model has the advantages that:
the utility model discloses a three are sealed, first sealed for sealed 6 and outlet socket 4, the insulating cap 7 forms radial seal, the second is sealed to be O type circle I1 and terminal seat 3, signal terminal 8 forms axial seal, the third is sealed to be O type circle II 2 and terminal seat 3, outlet socket 4 forms axial seal, three seal structure can effectively prevent outside moisture, moisture is immersed inside the cable, thereby guaranteed that the inside main insulation of cable does not suffer destruction because of moisture.
Drawings
FIG. 1 is a schematic structural diagram of the present invention
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the terminal waterproof outlet base of the cable built-in partial discharge sensor comprises a signal terminal 8, wherein the signal terminal 8 is matched and connected with a terminal base 3 through an O-shaped ring I1 to form axial sealing; the terminal seat 3 is connected with the wire outlet seat 4 and the terminal gland 5 in a matched mode through the O-shaped ring II 2 to form axial sealing, and the sealing gasket 6 is arranged inside the insulating cap 7 and is connected with the wire outlet seat 4 in a matched mode to form radial sealing.
The terminal seat 3, the wire outlet seat 4, the terminal gland 5, the sealing gasket 6, the insulating cap 7 and the signal terminal 8 are all cylindrical structures. The sealing gasket 6, the wire outlet seat 4 and the insulating cap 7 form radial first sealing, the O-shaped ring I1, the terminal seat 3 and the signal terminal 8 form axial second sealing, the O-shaped ring II 2, the terminal seat 3 and the wire outlet seat 4 form axial third sealing, and the three sealing structures can effectively prevent external moisture and water from immersing inside the cable, so that the main insulation inside the cable is guaranteed not to be damaged due to the moisture.
The utility model discloses a theory of operation does:
when the waterproof outlet base at the tail end of the sensor is wholly positioned in external moisture or water with certain pressure, the sealing gasket 6 deformed by compression and the section of the outlet base 4 form surface contact and are tightly matched, so that the moisture and the water are prevented from being immersed. However, the insulating cap 7 is opened during the partial discharge detection test, and when the insulating cap is screwed again after the test is completed, the screwing degrees are inconsistent due to human factors, so that the sealing effect of the insulating cap is affected, and therefore a second sealing structure and a third sealing structure need to be additionally arranged. The second sealing and the third sealing are axial sealing respectively, and the O-shaped ring I1 and the O-shaped ring II 2 respectively form circumferential line sealing with the terminal seat 3 and the wire outlet seat 4 according to preset compression amount, so that the moisture and water coming from the first sealing can be effectively prevented from entering the cable.
Claims (2)
1. The utility model provides a terminal waterproof outlet wire seat of built-in partial discharge sensor of cable, includes signal terminal (8), its characterized in that, signal terminal (8) are connected with terminal seat (3) cooperation through O type circle I (1), and terminal seat (3) are connected with outlet wire seat (4) and terminal gland (5) cooperation through O type circle II (2), and insulating cap (7) are connected with outlet wire seat (4) cooperation through sealed pad (6).
2. The terminal waterproof outlet base of the cable built-in partial discharge sensor according to claim 1, wherein the terminal base (3), the outlet base (4), the terminal gland (5), the sealing gasket (6), the insulating cap (7) and the signal terminal (8) are all cylindrical structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120661930.7U CN214254872U (en) | 2021-03-31 | 2021-03-31 | High-voltage cable built-in partial discharge sensor terminal waterproof outlet base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120661930.7U CN214254872U (en) | 2021-03-31 | 2021-03-31 | High-voltage cable built-in partial discharge sensor terminal waterproof outlet base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214254872U true CN214254872U (en) | 2021-09-21 |
Family
ID=77728666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120661930.7U Active CN214254872U (en) | 2021-03-31 | 2021-03-31 | High-voltage cable built-in partial discharge sensor terminal waterproof outlet base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214254872U (en) |
-
2021
- 2021-03-31 CN CN202120661930.7U patent/CN214254872U/en active Active
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