CN219284493U

CN219284493U - Monitoring device for GIS temperature field

Info

Publication number: CN219284493U
Application number: CN202222778612.6U
Authority: CN
Inventors: 刘进; 贺博; 杨瑶光; 刘明卓; 刘恭智; 姜东宾
Original assignee: Xianyang Yahua Electronic Apparatus Co ltd
Current assignee: Xianyang Yahua Electronic Apparatus Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-06-30
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a monitoring device for a GIS temperature field, which comprises a mounting hole, a GIS tank body and a front end light path, wherein the mounting hole is formed in the interior of the GIS tank body, a static flange is embedded in the mounting hole, the front end light path is fixed on a shell of the GIS tank body through the static flange and a movable flange, a large-size anti-leakage gasket is arranged in the joint edge of the static flange and the movable flange, the front end light path is embedded in the mounting hole, the front end light path is provided with a plurality of groups of lens groups, the lens groups adopt a lens packaging layer to carry out micro-diameter tubular sealing, a small-size anti-leakage gasket is arranged in the interior between the lens packaging layers, SF6 leakage wind after installation is greatly reduced by adopting the double-layer sealing arrangement of the micro-diameter tubular sealing front end light path, sealant and a groove-gasket, the front end light path is embedded in the GIS tank body to directly acquire imaging information, and accurately grasp temperature field dynamic information in the environment of the GIS tank body under high-pressure SF6 atmosphere, so that the device is easy and convenient to install and convenient to replace, and small in storage volume is realized.

Description

Monitoring device for GIS temperature field

Technical Field

The utility model relates to the technical field of GIS detection equipment, in particular to a monitoring device for a GIS temperature field.

Background

In the power system, GIS is widely used due to the advantages of compact structure, reliable performance and the like. With the increase of the service life of GIS equipment, the electrical contact form is deteriorated due to factors such as abrasion, surface corrosion, pretightening force relaxation and the like of the electrical connection parts in the tank body, and the local overheating occurs, so that equipment failure is caused. Therefore, the on-line temperature monitoring of the GIS equipment is realized, the hidden danger of thermal faults is discovered and eliminated in advance, the method has very important significance for safe and reliable operation of the GIS, and the current technology of the monitoring method of the internal temperature field of the GIS is not direct enough, not timely enough, not comprehensive enough and not accurate enough.

Disclosure of Invention

The utility model aims to provide a monitoring device for a GIS temperature field, which is used for directly observing an infrared image by embedding a front-end light path of equipment into a GIS tank body, adjusting an observation range through a plurality of groups of lens groups, adding an optical fiber bundle between the front-end light path and an image collector to realize photoelectric signal separation, and finally completing temperature signal analysis and network transmission by utilizing an upper position so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: be used for GIS temperature field monitoring devices includes mounting hole, GIS jar body and front end light path, the mounting hole is seted up in the inside of GIS jar body, the inside of mounting hole has inlayed quiet flange, quiet flange is fixed in the shell of GIS jar body with the front end light path through with move the flange, quiet flange and move flange and link up the internally mounted of edge and have large-size leak protection packing ring, the front end light path embedding is inside the mounting hole, the front end light path sets up into multiunit lens group, multiunit lens group adopts the lens encapsulation layer to carry out the micro-diameter tubular seal, inside between the lens encapsulation layer is provided with the small-size leak protection packing ring.

Preferably, a large groove is formed in the joint edge of the static flange and the movable flange, and a large anti-leakage gasket is arranged in the large groove.

Preferably, the plurality of lens groups comprise a first lens group and a second lens group, the first lens group is subjected to micro-diameter tube sealing through a first lens packaging layer, and the second lens group is subjected to micro-diameter tube sealing through a second lens packaging layer.

Preferably, a small-size groove is formed at the joint of the first lens packaging layer and the second lens packaging layer, and a small-size anti-leakage gasket is mounted in the small-size groove.

Preferably, all gaps in the front-end light path are filled with anti-corrosion sealant.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a monitoring device for a GIS temperature field, which adopts the double-layer sealing arrangement of a micro-diameter tube type sealing front end light path, sealing glue and a groove-gasket, greatly reduces SF6 leakage wind after installation, embeds the front end light path into a GIS tank body, directly collects imaging information, and cooperates with a display to realize holographic analysis of the temperature field of an observation point, accurately grasp dynamic information of the temperature field in a high-pressure SF6 atmosphere environment in the GIS tank body, realize simple equipment installation, convenient replacement and small storage volume, and effectively ensure that detection equipment is matched with the life cycle of the GIS.

Drawings

Fig. 1 is a schematic diagram of a front-end light path cross-sectional structure of the present utility model.

Reference numerals in the drawings: 1. a mounting hole; 2. GIS tank body; 3. a front end light path; 4. a first lens group; 5. a second lens group; 6. a first lens encapsulation layer; 7. a second lens encapsulation layer; 8. a movable flange; 9. a static flange; 10. a small-sized anti-leakage gasket; 11. large-size leak-proof gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

The utility model provides a monitoring device for a GIS temperature field, which is shown in figure 1, and comprises a mounting hole 1, a GIS tank body 2 and a front end light path 3, wherein the mounting hole 1 is arranged in the GIS tank body 2, the mounting hole 1 is provided with a chip-free and damage-free tank wall process hole, the aperture is micro-diameter, a static flange 9 is embedded in the mounting hole 1, the static flange 9 is used for fixing the front end light path 3 on a shell of the GIS tank body 2 through a movable flange 8, a large-size anti-leakage gasket 11 is arranged in the joint edge of the static flange 9 and the movable flange 8, the front end light path 3 is embedded in the mounting hole 1, the front end light path 3 is provided with a plurality of groups of lens groups, the groups of lens groups are sealed in a micro-diameter tubular manner through lens packaging layers, and small-size anti-leakage gaskets 10 are arranged in the space between the lens packaging layers.

The joint edge of the static flange 9 and the movable flange 8 is provided with a large groove, and a large leakage-proof gasket 11 is arranged in the large groove.

The lens groups comprise a first lens group 4 and a second lens group 5, the first lens group 4 is subjected to micro-diameter tubular sealing through a first lens packaging layer 6, and the second lens group 5 is subjected to micro-diameter tubular sealing through a second lens packaging layer 7.

The joint of the first lens packaging layer 6 and the second lens packaging layer 7 is provided with a small-sized groove, and a small-sized anti-leakage gasket 10 is arranged in the small-sized groove.

All gaps in the front light path 3 are filled with anti-corrosion sealant.

Through adopting micro-diameter tube type sealed front end light path 3, anticorrosive sealant, large size recess, small size recess and large size anti-leakage packing ring 11 and small size anti-leakage packing ring 10's setting, the effect of front end light path 3 is that images the inside temperature field of GIS, then accurately transmit the infrared signal of gathering for the optic fibre bundle, then pass through the inside that the cable transmission to the display carries out temperature analysis and temperature early warning through image collector rethread cable, and secondly shutoff mounting hole 1 avoids SF6 to reveal, so that realize great observation scope under narrow and small object distance condition simultaneously, improve sealed setting, greatly reduced the SF6 risk of revealing after the installation, front end light path 3 imbeds GIS jar body 2, carry out the direct collection of imaging information, realize observation point temperature field holographic analysis with the display cooperation, and guarantee that front end light path 3 signal passes into infrared optical fiber bundle with the best angle, be connected with the display through infrared optical fiber bundle, image collector and cable, accomplish the accurate inside temperature field dynamic information of GIS under the high-pressure SF6 atmosphere environment of non-contact measurement, combined type multiunit lens group's setting so that realizes under the narrow and small object distance condition, easy and small storage device is realized under the narrow and small object distance condition.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Be used for GIS temperature field monitoring devices, including mounting hole (1), GIS jar body (2) and front end light path (3), its characterized in that: the utility model discloses a GIS tank, including GIS tank body (2), mounting hole (1), still flange (9) have been inlayed to the inside of mounting hole (1), still flange (9) are fixed in on the shell of GIS tank body (2) with front end light path (3) through with moving flange (8), still flange (9) and moving flange (8) link up internally mounted of edge and have large-size leak-proof packing ring (11), front end light path (3) are embedded inside mounting hole (1), front end light path (3) set up into multiunit lens group, multiunit lens group adopts the lens encapsulation layer to carry out micro diameter tubular seal, inside between the lens encapsulation layer is provided with small-size leak-proof packing ring (10).

2. The device for GIS temperature field monitoring according to claim 1, wherein: the large-size groove is formed in the joint edge of the static flange (9) and the movable flange (8), and a large-size anti-leakage gasket (11) is installed in the large-size groove.

3. The device for GIS temperature field monitoring according to claim 1, wherein: the lens groups comprise a first lens group (4) and a second lens group (5), the first lens group (4) is subjected to micro-diameter tubular sealing through a first lens packaging layer (6), and the second lens group (5) is subjected to micro-diameter tubular sealing through a second lens packaging layer (7).

4. A temperature field monitoring device for GIS according to claim 3, wherein: and a small-size groove is formed in the joint of the first lens packaging layer (6) and the second lens packaging layer (7), and a small-size leakage-proof gasket (10) is arranged in the small-size groove.

5. The device for GIS temperature field monitoring according to claim 1, wherein: all gaps in the front-end light path (3) are filled with anti-corrosion sealant.