CN111665376A - Anti-interference shielding case for monitoring power transmission line - Google Patents
Anti-interference shielding case for monitoring power transmission line Download PDFInfo
- Publication number
- CN111665376A CN111665376A CN201910172118.5A CN201910172118A CN111665376A CN 111665376 A CN111665376 A CN 111665376A CN 201910172118 A CN201910172118 A CN 201910172118A CN 111665376 A CN111665376 A CN 111665376A
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- case
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- bayonet
- transmission line
- power transmission
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/18—Screening arrangements against electric or magnetic fields, e.g. against earth's field
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- General Physics & Mathematics (AREA)
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Abstract
The invention provides an anti-interference shielding case for monitoring a power transmission line. The anti-interference shielding case for monitoring the power transmission line comprises an inner layer case, a middle layer case and an outer layer case, and is characterized in that: the inner layer of the case, the middle layer of the case and the outer layer of the case are sequentially sleeved with a case body with an opening on the same side, the three are formed by bending to form a plug-in type structure and splicing, the plug-in type structure and the splicing are formed by bending or an insulation board is laid for connection, the outer layer of the case is connected with a case door through a pivot, the case door is provided with three layers of door plates with sequentially decreasing sizes and is respectively connected with openings of an inner layer, a middle layer and an outer layer. The anti-interference shielding case for monitoring the power transmission line solves the technical problem that the case in the prior art is insufficient in anti-interference capacity and inconvenient to produce.
Description
Technical Field
The invention relates to the field of power equipment, in particular to an anti-interference shielding case for monitoring a power transmission line.
Background
Currently, monitoring equipment for high voltage transmission lines generally operates in an environment of strong electromagnetic interference. A common detection equipment case is generally of an inner-layer structure and an outer-layer structure, wherein the inner layer is made of a galvanized plate, and the outer layer is made of stainless steel. The monitoring equipment is arranged in the inner layer, the case is fixed at a position on the high-voltage iron tower close to the power transmission line, and relevant conditions of the whole power transmission line are collected. However, the anti-interference capability of the two-layer protection is not very strong, and such devices are usually produced by adopting a welding process, so that the processing procedure is more complex and the processing time is longer.
Disclosure of Invention
In order to solve the technical problem that the prior chassis is insufficient in anti-interference capacity and inconvenient to produce, the invention provides the anti-interference shielding chassis for monitoring the power transmission line, which solves the problem.
The utility model provides a transmission line monitoring is with anti-interference shielding machine case, includes inside, in, outer three-layer machine case, machine incasement layer, machine case middle level, machine case skin for overlapping in proper order establish, with one side open-ended box, the three all forms through buckling type structure, amalgamation, also forms or lays the insulation board through buckling type structure, amalgamation each other and connect, machine case skin has the chamber door through the pivotal connection, the chamber door is equipped with the three-layer door plant that the size descends in proper order, links up with the opening of inside, in, outer three-layer respectively.
In a preferred embodiment of the anti-interference shielding case for monitoring the power transmission line, two side edges of two opposite side walls of the outer layer of the case are continuously and reversely bent three times in the direction of approaching each other to form an outer concave bayonet; two side edges of the other two side walls of the outer layer of the case are vertically bent towards the direction close to the outer concave bayonet to form an outer convex bayonet; the outer side convex bayonet is inserted into the outer side concave bayonet.
In a preferred embodiment of the anti-interference shielding case for monitoring the power transmission line, the middle layer and the inner layer of the case are spliced with the side walls in the same structure as the outer layer of the case.
In a preferred embodiment of the anti-interference shielding case for monitoring the power transmission line, the top edges of two side walls of the outer layer of the case, which are arbitrarily opposite to each other, are continuously and reversely bent three times from the inner side to the bottom of the case to form an outer top concave bayonet.
In a preferred embodiment of the anti-interference shielding case for monitoring the power transmission line, the middle layer of the case is arranged on the top edges of the two side walls close to the outer top concave bayonet and is reversely bent towards the bottom of the case from the outer side to form a middle top convex bayonet; the middle top convex bayonet is inserted into the outer top concave bayonet.
In a preferred embodiment of the anti-interference shielding case for monitoring the power transmission line, the middle layer of the case is arranged on the top edges of the other two side walls and continuously and reversely bent three times from the inner side to the bottom direction of the case to form a middle top concave bayonet.
In a preferred embodiment of the anti-interference shielding case for monitoring the power transmission line, the inner layer of the case is bent reversely from the outer side to the bottom of the case at the top edges of the two side walls close to the middle top concave bayonet to form an inner top convex bayonet; the inner top convex bayonet is inserted into the middle top concave bayonet.
In a preferred embodiment of the anti-interference shielding chassis for monitoring the power transmission line, the widths of the outer top concave bayonet and the middle top convex bayonet are the same and are smaller than or equal to the distance between the side bayonets of the middle layer of the chassis; the width of the middle top concave bayonet and the width of the inner top convex bayonet are consistent and are smaller than or equal in distance between the side bayonets of the inner layer of the case.
In a preferred embodiment of the anti-interference shielding case for monitoring the power transmission line, the top edges of the other two side walls of the outer layer of the case are continuously and reversely bent twice from the inner side to the bottom of the case to form an outer bearing groove; the top edges of the other two side walls of the inner layer of the case are continuously and reversely bent twice from the inner side to the bottom of the case to form an inner bearing groove.
In a preferred embodiment of the anti-interference shielding case for monitoring the power transmission line, the case door comprises a case door outer layer, a case door middle layer and a case door inner layer, which are arranged in the same structure as the positions of the openings of the case outer layer, the case middle layer and the case inner layer, and the edges of the two sides of the case door outer layer and the case door inner layer are vertically bent towards the direction of the case bottom to form bulges matched with the outer bearing groove and the inner bearing groove.
Compared with the prior art, the anti-interference shielding case for monitoring the power transmission line provided by the invention adopts the three-layer shielding case, and has better anti-interference capability. The box body and the box door are both formed by bending and splicing plates, and the production process is greatly simplified.
Drawings
Fig. 1 is a schematic structural diagram of an anti-interference shielding case for monitoring a power transmission line provided by the invention when a case door is closed;
FIG. 2 is a schematic view of the structure of FIG. 1 with the bin door removed;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a schematic structural diagram of a box door of the anti-interference shielding case for monitoring the power transmission line provided by the invention;
fig. 5 is a partially enlarged view of fig. 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Fig. 1 to fig. 3 are a schematic structural diagram and a partial enlarged view of the anti-interference shielding enclosure for monitoring a power transmission line, provided by the present invention, when a door is installed and removed.
The anti-interference shielding case 1 for monitoring the power transmission line comprises a case body 2 and a case door 3, wherein the case body 2 and the case door 3 respectively comprise an outer case body 21, a middle case body 22, an inner case body 23, an outer case door 31, a middle case door 32 and an inner case door 33.
The outer box body 21 is formed by bending and splicing a cross-shaped stainless steel plate, four ends of the cross-shaped stainless steel plate are bent by 90 degrees towards the same side, and bayonet openings for splicing are arranged on the side edges.
The edges of the two sides of the two side walls of the wide edge of the outer layer box body 21 are continuously and reversely bent for three times, wherein one time of bending is 180 degrees for the second time, and the other time of bending is 90 degrees for the third time, so that the outer side concave bayonet 211 is formed. The edges at two sides of the two side walls on the long side are reversely bent for 180 degrees and then bent for 90 degrees to form the outer convex bayonet 212.
When the four ends of the cross shape are bent towards the same side, the outer side convex bayonet 212 is just inserted into the outer side concave bayonet 211, and a small piece of structure bent at the last time of the outer side concave bayonet 211 is pushed away, so that the elastic force acts on the outer side convex bayonet 212 to form a larger friction force, and the outer side convex bayonet and the outer side concave bayonet are clamped and fixed.
The edges of the tops of the two side walls of the wide side of the outer box 21 are continuously bent in the opposite direction twice to form an outer receiving groove 213 for receiving the box door 3. And the top edges of the two side walls arranged on the long sides are provided with outer top concave bayonets 214 with the structures consistent with those of the outer side concave bayonets 211, and the outer top concave bayonets are used for being connected with the middle layer box body 22.
The structure of the middle layer box body 22 is similar to that of the outer layer box body 21, and the middle layer box body is formed by bending and splicing permalloy plates. The structure of the edges of the two sides of the side walls of the two are consistent, and the structure of the edge of the top of the side wall is different.
The top of the side wall of the wide side of the middle box 22 is provided with a middle top concave bayonet 224 with the same structure as the outer side concave bayonet 211 for connecting the inner box 23. The top of the side wall arranged on the long side is provided with a middle convex bayonet 222 which is consistent with the outer convex bayonet 212.
The middle top convex bayonet 222 is inserted downwards into the outer top concave bayonet 214, so that the middle layer box body 22 is connected with the outer layer box body 21. Or the structure is eliminated, and an insulating rubber plate is laid between the outer layer box body 21 and the middle layer box body 22 for connection.
The structure of the inner layer box body 23 is similar to that of the outer layer box body 21, and the inner layer box body is formed by bending and splicing galvanized plates. The structure of the edges of the two sides of the side walls of the two are consistent, and the structure of the edge of the top of the side wall is different.
The top of the side wall of the wide side of the inner box 23 is provided with an inner convex bayonet 232 which is consistent with the outer convex bayonet 212. The top of the side wall provided on the long side is provided with an inner receiving groove 233 having the same structure as the outer receiving groove 213.
The inner top convex bayonet 232 is inserted downwards into the middle top concave bayonet 224, so that the inner layer box body 23 and the middle layer box body 22 are connected. Or the structure is eliminated, and an insulating rubber plate is laid between the middle layer box body 22 and the inner layer box body 23 for connection.
The outer box door 31 is a box body which is formed by bending a stainless steel plate and has an opening on one side. The top of the two side walls arranged on the wide sides of the outer bearing groove is bent by two 90 degrees, so that an outer convex strip 311 matched with the outer bearing groove 213 is formed.
An insulating rubber plate is laid in one side of the opening of the outer layer box door 31, and the middle layer box door 32 is a box body which is formed by bending permalloy and is provided with an opening in one side. The thickness of the box door is larger than that of the outer box door 31, so that the box door abuts against the middle box body 22.
An insulating rubber plate is laid in one side of the opening of the middle layer box door 32, and the inner layer box door 33 is a box body which is formed by bending a galvanized plate and is provided with an opening in one side. The thickness of the inner box door 32 is larger than that of the middle box door, so that the inner box door abuts against the inner box 23.
The tops of the two side walls arranged on the long side of the inner layer door 33 are bent by two 90 degrees, so that an inner convex strip 331 matched with the inner bearing groove 233 is formed.
The outer side of the outer box door 31 is provided with a pivot connected with the outer box body 21. When the door 3 is closed, the outer protrusion 311 and the inner protrusion 331 are inserted into the outer receiving groove 213 and the inner receiving groove 233, respectively.
Claims (10)
1. The utility model provides a transmission line monitoring is with anti-interference shielding machine case, includes inside, well, outer three-layer machine case, its characterized in that: the inner layer of the case, the middle layer of the case and the outer layer of the case are sequentially sleeved with a case body with an opening on the same side, the three are formed by bending to form a plug-in type structure and splicing, the plug-in type structure and the splicing are formed by bending or an insulation board is laid for connection, the outer layer of the case is connected with a case door through a pivot, the case door is provided with three layers of door plates with sequentially decreasing sizes and is respectively connected with openings of an inner layer, a middle layer and an outer layer.
2. The anti-interference shielding case for monitoring the power transmission line according to claim 1, characterized in that: two side edges of two opposite side walls of the outer layer of the case are continuously and reversely bent for three times in the mutually approaching direction to form an outer concave bayonet; two side edges of the other two side walls of the outer layer of the case are vertically bent towards the direction close to the outer concave bayonet to form an outer convex bayonet; the outer side convex bayonet is inserted into the outer side concave bayonet.
3. The anti-interference shielding case for monitoring the power transmission line according to claim 2, characterized in that: the middle layer of the case and the inner layer of the case are spliced with the side walls in the same structure as the outer layer of the case.
4. The anti-interference shielding case for monitoring the power transmission line according to claim 3, characterized in that: the top edges of two side walls in the outer layer of the case, which are opposite to each other at will, are continuously and reversely bent for three times towards the bottom of the case from the inner side to form an outer top concave bayonet.
5. The anti-interference shielding case for monitoring the power transmission line according to claim 4, wherein: the middle layer of the case is arranged on the top edges of the two side walls close to the outer top concave bayonet and is reversely bent towards the direction of the case bottom from the outer side to form a middle top convex bayonet; the middle top convex bayonet is inserted into the outer top concave bayonet.
6. The anti-interference shielding case for monitoring the power transmission line according to claim 5, characterized in that: the middle layer of the case is arranged on the top edges of the other two side walls and is continuously and reversely bent three times towards the bottom of the case from the inner side to form a middle top concave bayonet.
7. The anti-interference shielding case for monitoring the power transmission line according to claim 6, characterized in that: the inner layer of the case is arranged on the top edges of the two side walls close to the middle top concave bayonet and is reversely bent towards the direction of the case bottom from the outer side to form an inner top convex bayonet; the inner top convex bayonet is inserted into the middle top concave bayonet.
8. The anti-interference shielding case for monitoring the power transmission line according to claim 7, characterized in that: the widths of the outer top concave bayonet and the middle top convex bayonet are consistent and are smaller than or equal to the distance between the side bayonets of the middle layer of the case; the width of the middle top concave bayonet and the width of the inner top convex bayonet are consistent and are smaller than or equal in distance between the side bayonets of the inner layer of the case.
9. The anti-interference shielding case for monitoring the power transmission line according to claim 7, characterized in that: the top edges of the other two side walls of the outer layer of the case are continuously and reversely bent twice towards the bottom of the case from the inner side to form an outer bearing groove; the top edges of the other two side walls of the inner layer of the case are continuously and reversely bent twice from the inner side to the bottom of the case to form an inner bearing groove.
10. The anti-interference shielding case for monitoring the power transmission line according to claim 9, wherein: the box door comprises a box door outer layer, a box door middle layer and a box door inner layer, the box door outer layer, the box door middle layer and the box door inner layer are arranged in a structure with the same position as the openings of the box outer layer, the box middle layer and the box inner layer, and the edges of the two sides of the box door outer layer and the box door inner layer are vertically bent towards the direction of the box bottom to form bulges matched with the outer bearing groove and the inner bearing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910172118.5A CN111665376A (en) | 2019-03-07 | 2019-03-07 | Anti-interference shielding case for monitoring power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910172118.5A CN111665376A (en) | 2019-03-07 | 2019-03-07 | Anti-interference shielding case for monitoring power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111665376A true CN111665376A (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910172118.5A Pending CN111665376A (en) | 2019-03-07 | 2019-03-07 | Anti-interference shielding case for monitoring power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111665376A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2519938Y (en) * | 2001-11-09 | 2002-11-06 | 联想(北京)有限公司 | Electromagnetic shielding device for side board of computer casing |
| CN2531427Y (en) * | 2001-10-22 | 2003-01-15 | 联想(北京)有限公司 | Electromagnetic shielding device of computer case |
| CN2722580Y (en) * | 2004-07-27 | 2005-08-31 | 上海环达计算机科技有限公司 | Electromagnetic shielding device |
| CN2865196Y (en) * | 2005-12-28 | 2007-01-31 | 华为技术有限公司 | Shielded box and rear covering board |
| CN201577245U (en) * | 2009-11-09 | 2010-09-08 | 深圳市伟思域科技有限公司 | Modularized assembled cabinet |
| CN203025221U (en) * | 2012-12-29 | 2013-06-26 | 杭州华闻电力科技有限公司 | Three-layer shielding device for resisting electromagnetic field interference in strong electromagnetic environment |
| CN203350304U (en) * | 2013-07-17 | 2013-12-18 | 秦建辉 | Radio frequency test box |
| CN205749598U (en) * | 2016-01-14 | 2016-11-30 | 格云特自动化科技（深圳）有限公司 | Shielded box |
| CN107479642A (en) * | 2016-06-08 | 2017-12-15 | 酷码科技股份有限公司 | The fixation board combining structure of cabinet |
| CN108226585A (en) * | 2017-12-19 | 2018-06-29 | 绵阳恒持金属设备有限公司 | A kind of emergent electromagnetic shielding chamber and its test device |
| CN208314034U (en) * | 2018-01-31 | 2019-01-01 | 内蒙古电力(集团)有限责任公司鄂尔多斯电业局 | The anti-strong-electromagnetic field interference shielding cabinet of on-line monitoring device for transmission line |
-
2019
- 2019-03-07 CN CN201910172118.5A patent/CN111665376A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2531427Y (en) * | 2001-10-22 | 2003-01-15 | 联想(北京)有限公司 | Electromagnetic shielding device of computer case |
| CN2519938Y (en) * | 2001-11-09 | 2002-11-06 | 联想(北京)有限公司 | Electromagnetic shielding device for side board of computer casing |
| CN2722580Y (en) * | 2004-07-27 | 2005-08-31 | 上海环达计算机科技有限公司 | Electromagnetic shielding device |
| CN2865196Y (en) * | 2005-12-28 | 2007-01-31 | 华为技术有限公司 | Shielded box and rear covering board |
| CN201577245U (en) * | 2009-11-09 | 2010-09-08 | 深圳市伟思域科技有限公司 | Modularized assembled cabinet |
| CN203025221U (en) * | 2012-12-29 | 2013-06-26 | 杭州华闻电力科技有限公司 | Three-layer shielding device for resisting electromagnetic field interference in strong electromagnetic environment |
| CN203350304U (en) * | 2013-07-17 | 2013-12-18 | 秦建辉 | Radio frequency test box |
| CN205749598U (en) * | 2016-01-14 | 2016-11-30 | 格云特自动化科技（深圳）有限公司 | Shielded box |
| CN107479642A (en) * | 2016-06-08 | 2017-12-15 | 酷码科技股份有限公司 | The fixation board combining structure of cabinet |
| CN108226585A (en) * | 2017-12-19 | 2018-06-29 | 绵阳恒持金属设备有限公司 | A kind of emergent electromagnetic shielding chamber and its test device |
| CN208314034U (en) * | 2018-01-31 | 2019-01-01 | 内蒙古电力(集团)有限责任公司鄂尔多斯电业局 | The anti-strong-electromagnetic field interference shielding cabinet of on-line monitoring device for transmission line |
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Application publication date: 20200915 |