CN112946429A - Electromagnetic shielding box for GIS partial discharge optical detection device - Google Patents
Electromagnetic shielding box for GIS partial discharge optical detection device Download PDFInfo
- Publication number
- CN112946429A CN112946429A CN202110109215.7A CN202110109215A CN112946429A CN 112946429 A CN112946429 A CN 112946429A CN 202110109215 A CN202110109215 A CN 202110109215A CN 112946429 A CN112946429 A CN 112946429A
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- Prior art keywords
- box
- electromagnetic shielding
- detection device
- box body
- partial discharge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
Abstract
The application provides an electromagnetic shielding box for a GIS partial discharge optical detection device, wherein the electromagnetic shielding box is internally provided with the GIS partial discharge optical detection device and is provided with a box body and a box cover; one side of the box cover is connected with the box body in a locking way, and the other side of the box cover is hinged with the box body; the bottom surface of the box body is provided with an optical fiber hole and a first screw hole; the electromagnetic shielding box is fixedly connected with the GIS flange through the first screw hole; the periphery of the optical fiber hole is provided with a second screw hole, and the GIS local discharge optical detection device is fixedly connected with the electromagnetic shielding box through the second screw hole; the side surface of the box body is a metal layer, the first side surface and the second side surface of the box body are both provided with metal nets, the third side surface of the box body is provided with a plurality of cable connectors, and the first side surface corresponds to the second side surface; the application provides hardware support for improving validity and accuracy of GIS partial discharge detection.
Description
Technical Field
The application relates to the field of power equipment state diagnosis, in particular to an electromagnetic shielding box for a GIS partial discharge optical detection device.
Background
GIS (gas Insulated switch gear) is key equipment in a power grid, and has the characteristics of small occupied area, high safety and reliability and easiness in maintenance.
Partial discharge is a precursor phenomenon of insulation breakdown, early warning before equipment breakdown is realized through detection of the partial discharge, and then the insulation state of the GIS is evaluated. However, since the GIS device has a strong and alternating electromagnetic field in an operating state, the optical detection device for detecting partial discharge is interfered by the electromagnetic wave during use, which affects the confidence.
Disclosure of Invention
The application provides an electromagnetic shield box for GIS partial discharge optical detection device to solve the technical problem that the optical detection device that partial discharge detected receives the interference of electromagnetic wave in the use.
In order to achieve the above purpose, the embodiments of the present application adopt the following technical solutions:
the electromagnetic shielding box is used for a GIS partial discharge optical detection device, the GIS partial discharge optical detection device is arranged in the electromagnetic shielding box, and the electromagnetic shielding box is provided with a box body and a box cover;
one side of the box cover is connected with the box body in a locking way, and the other side of the box cover is hinged with the box body;
the bottom surface of the box body is provided with an optical fiber hole and a first screw hole; the electromagnetic shielding box is fixedly connected with the GIS flange through the first screw hole; the periphery of the optical fiber hole is provided with a second screw hole, and the GIS local discharge optical detection device is fixedly connected with the electromagnetic shielding box through the second screw hole;
the side surfaces of the box body comprise a first side surface, a second side surface, a third side surface and a fourth side surface; the first side surface and the second side surface are both provided with at least one metal net; the third side surface is provided with a plurality of cable connectors;
the first side corresponds to the second side, and the third side corresponds to the fourth side.
Further, the electromagnetic shielding box is in a cubic structure.
Furthermore, one side of the box cover and the first side of the box body are provided with a locking structure.
Furthermore, the other side of the box cover and the second side of the box body are provided with hinged parts.
Further, the cable connectors are distributed in a matrix.
Further, the cable connector is a BNC cable connector.
Furthermore, the side surface of the box body is a metal layer.
The application provides an electromagnetic shielding box for a GIS partial discharge optical detection device, wherein the electromagnetic shielding box is internally provided with the GIS partial discharge optical detection device and is provided with a box body and a box cover; one side of the box cover is connected with the box body in a locking way, and the other side of the box cover is hinged with the box body; the bottom surface of the box body is provided with an optical fiber hole and a first screw hole; the electromagnetic shielding box is fixedly connected with the GIS flange through the first screw hole; the periphery of the optical fiber hole is provided with a second screw hole, and the GIS local discharge optical detection device is fixedly connected with the electromagnetic shielding box through the second screw hole; the side surface of the box body is a metal layer, the first side surface and the second side surface of the box body are both provided with metal nets, the third side surface of the box body is provided with a plurality of cable connectors, and the first side surface corresponds to the second side surface; the application provides hardware support for improving validity and accuracy of GIS partial discharge detection.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a cover of an electromagnetic shielding box for a GIS partial discharge optical detection device according to an embodiment of the present application;
fig. 2 is a schematic bottom view of an electromagnetic shielding box for a GIS partial discharge optical detection device according to an embodiment of the present disclosure;
fig. 3 is a first schematic side view of a box body of an electromagnetic shielding box for a GIS partial discharge optical detection device according to an embodiment of the present application;
fig. 4 is a second schematic side view of the box body of the electromagnetic shielding box for the GIS partial discharge optical detection device according to the embodiment of the present application;
fig. 5 is a third schematic side view of a box body of an electromagnetic shielding box for a GIS partial discharge optical detection device according to an embodiment of the present application;
fig. 6 is a fourth schematic side view of the box body of the electromagnetic shielding box for the GIS partial discharge optical detection device according to the embodiment of the present application;
wherein: 10-a box cover; 11. 42-a hinge member; 12. 32-a latch structure; 20-a bottom surface; 21-fiber hole; 22-a second screw hole; 23-a first screw hole; 30-a first side; 31. 41-metal mesh; 40-a second side; 50-a third side; 51-a cable joint; 60-fourth side.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present application is described in further detail below with reference to the attached drawing figures:
the embodiment of the application provides an electromagnetic shielding box for a GIS partial discharge optical detection device, which is used in the field of power equipment state diagnosis and is of a cubic structure; the electromagnetic shielding box is internally provided with a GIS partial discharge optical detection device and is provided with a box body and a box cover 10.
Referring to fig. 1, one side of the box cover 10 and the first side 30 of the box body are provided with locking structures 12 and 32, and one side of the box cover 10 is in locking connection with the box body; the locking structures 12 and 32 can be rotationally punched, so that the installation, wiring, maintenance and observation of equipment in the electromagnetic shielding box are realized. The other side of the box cover 10 and the second side 40 of the box body are provided with hinge elements 11 and 42, and the other side is hinged with the box body.
The bottom surface 20 of the box body is provided with an optical fiber hole 21 and a first screw hole 23; the electromagnetic shielding box is fixedly connected with the GIS flange through the first screw hole 23; the periphery of the optical fiber hole 21 is provided with a second screw hole 22, and the GIS partial discharge optical detection device is fixedly connected with the electromagnetic shielding box through the second screw hole 22;
the side surfaces of the box body are metal layers, and comprise a first side surface 30, a second side surface 40, a third side surface 50 and a fourth side surface 60; the first side surface 30 and the second side surface 40 are both provided with at least one metal net 31, 41; realizing metal shielding and heat dissipation. The third side 50 is provided with a plurality of cable connectors 51 for shielding GIS partial discharge light signal output in the box. The cable connectors 51 are distributed in a matrix, and the cable connectors 51 are BNC cable connectors. The fourth side 60 is a fully-enclosed metal layer, and the first side 30 corresponds to the second side 40; the third side 50 corresponds to the fourth side 60.
The application provides an electromagnetic shielding box for a GIS partial discharge optical detection device, wherein the electromagnetic shielding box is internally provided with the GIS partial discharge optical detection device and is provided with a box body and a box cover 10; one side of the box cover 10 is connected with the box body in a locking way, and the other side of the box cover is hinged with the box body; the bottom surface 20 of the box body is provided with an optical fiber hole 21 and a first screw hole 23; the electromagnetic shielding box is fixedly connected with the GIS flange through the first screw hole 23; the periphery of the optical fiber hole 21 is provided with a second screw hole 22, and the GIS partial discharge optical detection device is fixedly connected with the electromagnetic shielding box through the second screw hole 22; the side surface of the box body is a metal layer, the first side surface 30 and the second side surface 40 of the box body are both provided with metal nets 31 and 41, the third side surface 50 of the box body is provided with a plurality of cable connectors 51, and the first side surface 30 corresponds to the second side surface 40; the application provides hardware support for improving validity and accuracy of GIS partial discharge detection.
The above-mentioned contents are only for explaining the technical idea of the present application, and the protection scope of the present application is not limited thereby, and any modification made on the basis of the technical idea presented in the present application falls within the protection scope of the claims of the present application.
Additionally, the order in which elements and sequences of the processes described herein are processed, the use of alphanumeric characters, or the use of other designations, is not intended to limit the order of the processes and methods described herein, unless explicitly claimed. While various presently contemplated embodiments have been discussed in the foregoing disclosure by way of example, it should be understood that such detail is solely for that purpose and that the appended claims are not limited to the disclosed embodiments, but, on the contrary, are intended to cover all modifications and equivalent arrangements that are within the spirit and scope of the embodiments herein. For example, although the system components described above may be implemented by hardware devices, they may also be implemented by software-only solutions, such as installing the described system on an existing server or mobile device.
Similarly, it should be noted that in the preceding description of embodiments of the application, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the embodiments. This method of disclosure, however, is not intended to require more features than are expressly recited in the claims. Indeed, the embodiments may be characterized as having less than all of the features of a single embodiment disclosed above.
The entire contents of each patent, patent application publication, and other material cited in this application, such as articles, books, specifications, publications, documents, and the like, are hereby incorporated by reference into this application. Except where the application is filed in a manner inconsistent or contrary to the present disclosure, and except where the claim is filed in its broadest scope (whether present or later appended to the application) as well. It is noted that the descriptions, definitions and/or use of terms in this application shall control if they are inconsistent or contrary to the statements and/or uses of the present application in the material attached to this application.
Claims (7)
1. The electromagnetic shielding box for the GIS partial discharge optical detection device is characterized in that the GIS partial discharge optical detection device is arranged in the electromagnetic shielding box, and the electromagnetic shielding box is provided with a box body and a box cover;
one side of the box cover is connected with the box body in a locking way, and the other side of the box cover is hinged with the box body;
the bottom surface of the box body is provided with an optical fiber hole and a first screw hole; the electromagnetic shielding box is fixedly connected with the GIS flange through the first screw hole; the periphery of the optical fiber hole is provided with a second screw hole, and the GIS local discharge optical detection device is fixedly connected with the electromagnetic shielding box through the second screw hole;
the side surfaces of the box body comprise a first side surface, a second side surface, a third side surface and a fourth side surface; the first side surface and the second side surface are both provided with at least one metal net; the third side surface is provided with a plurality of cable connectors;
the first side corresponds to the second side, and the third side corresponds to the fourth side.
2. The electromagnetic shielding box for the GIS partial discharge optical detection device according to claim 1, wherein the electromagnetic shielding box is in a cubic structure.
3. The electromagnetic shielding box for the GIS partial discharge optical detection device according to claim 1, wherein one side of the box cover and the first side of the box body are provided with a locking structure.
4. The electromagnetic shielding box for the GIS partial discharge optical detection device according to claim 1, wherein the other side of the box cover and the second side of the box body are provided with hinges.
5. The electromagnetic shielding box for the GIS partial discharge optical detection device according to claim 1, wherein the cable joints are distributed in a matrix.
6. The electromagnetic shielding box for the GIS partial discharge optical detection device according to claim 5, wherein the cable connector is a BNC cable connector.
7. The electromagnetic shielding box for the GIS partial discharge optical detection device according to claim 5, wherein the side of the box body is a metal layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109215.7A CN112946429A (en) | 2021-01-27 | 2021-01-27 | Electromagnetic shielding box for GIS partial discharge optical detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109215.7A CN112946429A (en) | 2021-01-27 | 2021-01-27 | Electromagnetic shielding box for GIS partial discharge optical detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112946429A true CN112946429A (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110109215.7A Pending CN112946429A (en) | 2021-01-27 | 2021-01-27 | Electromagnetic shielding box for GIS partial discharge optical detection device |
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| CN (1) | CN112946429A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387684A (en) * | 2008-10-28 | 2009-03-18 | 北京天一世纪科技有限公司 | Interior partial discharge detection device for gas insulation composite apparatus |
| CN105738786A (en) * | 2016-03-30 | 2016-07-06 | 合肥工业大学智能制造技术研究院 | GIS ultrahigh frequency partial discharge signal collection device which shields external interface |
| CN106353654A (en) * | 2016-11-03 | 2017-01-25 | 云南电网有限责任公司普洱供电局 | High-frequency electromagnetic coupling sensor used for cable partial discharge detection |
| CN206696387U (en) * | 2017-05-24 | 2017-12-01 | 国家电网公司 | External extra-high video sensor for GIS partial discharge detection |
| CN208283508U (en) * | 2018-06-14 | 2018-12-25 | 上海格鲁布科技有限公司 | A kind of device for Partial Discharge Detection |
| CN109932625A (en) * | 2019-04-10 | 2019-06-25 | 河北大学 | A kind of optical profile type shelf depreciation sensing device and detection method for local discharge |
| CN110676798A (en) * | 2019-09-17 | 2020-01-10 | 全球能源互联网欧洲研究院 | Conductive cone, cable terminal and cable intermediate joint |
-
2021
- 2021-01-27 CN CN202110109215.7A patent/CN112946429A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387684A (en) * | 2008-10-28 | 2009-03-18 | 北京天一世纪科技有限公司 | Interior partial discharge detection device for gas insulation composite apparatus |
| CN105738786A (en) * | 2016-03-30 | 2016-07-06 | 合肥工业大学智能制造技术研究院 | GIS ultrahigh frequency partial discharge signal collection device which shields external interface |
| CN106353654A (en) * | 2016-11-03 | 2017-01-25 | 云南电网有限责任公司普洱供电局 | High-frequency electromagnetic coupling sensor used for cable partial discharge detection |
| CN206696387U (en) * | 2017-05-24 | 2017-12-01 | 国家电网公司 | External extra-high video sensor for GIS partial discharge detection |
| CN208283508U (en) * | 2018-06-14 | 2018-12-25 | 上海格鲁布科技有限公司 | A kind of device for Partial Discharge Detection |
| CN109932625A (en) * | 2019-04-10 | 2019-06-25 | 河北大学 | A kind of optical profile type shelf depreciation sensing device and detection method for local discharge |
| CN110676798A (en) * | 2019-09-17 | 2020-01-10 | 全球能源互联网欧洲研究院 | Conductive cone, cable terminal and cable intermediate joint |
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Application publication date: 20210611 |