CN211955567U - Current traveling wave detection device - Google Patents

Current traveling wave detection device Download PDF

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Publication number
CN211955567U
CN211955567U CN202020127077.6U CN202020127077U CN211955567U CN 211955567 U CN211955567 U CN 211955567U CN 202020127077 U CN202020127077 U CN 202020127077U CN 211955567 U CN211955567 U CN 211955567U
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CN
China
Prior art keywords
arc
shaped
shell
mounting plate
shaped shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020127077.6U
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Chinese (zh)
Inventor
陈西迎
赵震
孟科
吕清杰
李勇
郑利新
李雷
吕菲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Shandong Electric Power Co Feicheng Power Supply Co
State Grid Corp of China SGCC
TaiAn Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Shandong Electric Power Co Feicheng Power Supply Co
State Grid Corp of China SGCC
TaiAn Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Shandong Electric Power Co Feicheng Power Supply Co, State Grid Corp of China SGCC, TaiAn Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Shandong Electric Power Co Feicheng Power Supply Co
Priority to CN202020127077.6U priority Critical patent/CN211955567U/en
Application granted granted Critical
Publication of CN211955567U publication Critical patent/CN211955567U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a current traveling wave detection device, which comprises a first split shell and a second split shell; the first split shell comprises a first arc-shaped shell and a first arc-shaped mounting plate; the second split shell comprises a second arc-shaped shell and a second arc-shaped mounting plate; the first arc-shaped shell and the second arc-shaped shell are detachably connected to form a cylindrical structure, and the first arc-shaped mounting plate and the second arc-shaped mounting plate are detachably connected to form an annular structure; the top ends of the first arc-shaped shell and the second arc-shaped shell are sequentially provided with a first semicircular magnetic core and a second semicircular magnetic core; when the first arc-shaped shell and the second arc-shaped shell are connected to form a cylindrical structure, the first semicircular magnetic core and the second semicircular magnetic core form a circular magnetic core; the lower ends of the first and second circular arc-shaped shells are sequentially provided with a first flanging and a second flanging; damping springs are arranged between the first flanging and the first arc-shaped mounting plate and between the second flanging and the second arc-shaped mounting plate; mounting holes are formed in the first arc-shaped mounting plate and the second arc-shaped mounting plate. This scheme is used for increasing the reliability that traveling wave detection device used.

Description

Current traveling wave detection device
Technical Field
The utility model relates to a traveling wave detects uses the equipment field, concretely relates to electric current traveling wave detection device.
Background
For a grounding wire or a grounding wire with a larger diameter such as PT, CVT attached to a column, the patent document with the publication number CN208969139U discloses a traveling wave detection device in which a strategy is given to directly mount a mounting seat of the traveling wave detection device on the ground, that is, by providing fixing holes on a left base and a right base.
However, in practical use, the left base and the right base are often buckled together after threading, and then a pin used in cooperation with the fixing hole is hammered into the ground by using a tool such as a hammer, so that the purpose of directly mounting the mounting seat of the traveling wave detection device on the ground is achieved. However, when the traveling wave detection device is installed on the ground, the pins need to be nailed after the structures above the left base and the right base are buckled, the process of nailing the pins can cause the vibration of the whole traveling wave detection device in a certain range, and the structures buckled and connected together above the left base and the right base are easy to vibrate and loosen, which is not beneficial to the closing of the annular magnetic core to a certain extent, and then the reliability of the traveling wave detection device is easy to influence to a certain extent.
Therefore, the utility model provides a current traveling wave detection device for solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to prior art, the utility model provides a current traveling wave detection device for increase the reliability that traveling wave detection device used.
The utility model provides a current traveling wave detection device, which comprises a first split shell and a second split shell; wherein:
the first split shell comprises a first arc-shaped shell and a first arc-shaped mounting plate positioned below the first arc-shaped shell; the second split shell comprises a second arc-shaped shell and a second arc-shaped mounting plate positioned below the second arc-shaped shell;
the first arc-shaped shell and the second arc-shaped shell are detachably connected to form a cylindrical structure, and the first arc-shaped mounting plate and the second arc-shaped mounting plate are detachably connected to form an annular structure;
a first arc-shaped groove is formed in the top end of the first arc-shaped shell, a first semicircular magnetic core is fixed in the first arc-shaped groove, and a first arc-shaped groove cover is arranged in the first arc-shaped groove;
a second arc-shaped groove is formed in the top end of the second arc-shaped shell, a second semicircular magnetic core is fixed in the second arc-shaped groove, and a second arc-shaped groove cover is arranged on the second arc-shaped groove in a matched mode;
when the first arc-shaped shell and the second arc-shaped shell are detachably connected to form a cylindrical structure, the first semicircular magnetic core and the second semicircular magnetic core form a circular magnetic core;
a wiring terminal is arranged on the outer side wall of the second arc-shaped shell, a coil for detecting current traveling waves is wound on the second semicircular magnetic core, and a leading-out wire of the coil is connected to the wiring terminal;
the lower end of the first circular arc-shaped shell is provided with a first flanging, and the lower end of the second circular arc-shaped shell is provided with a second flanging;
a group of first damping springs is arranged between the lower end face of the first flanging and the upper end face of the first arc-shaped mounting plate, and a group of second damping springs is arranged between the lower end face of the second flanging and the upper end face of the second arc-shaped mounting plate; on the first arc mounting panel and on the second arc mounting panel, all be equipped with two at least mounting holes.
Furthermore, the side wall of the second arc-shaped shell is internally provided with wire passing holes which are vertically distributed, and the outgoing line of the coil passes through the wire passing holes and then is connected to the wiring end.
Furthermore, the end faces of the two ends of the first arc-shaped mounting plate are respectively provided with a first clamping groove, the end faces of the two ends of the second arc-shaped mounting plate are respectively provided with a first clamping block matched with the first clamping groove at the end corresponding to the first arc-shaped mounting plate, and each first clamping block is connected with the corresponding first clamping groove in a clamping mode.
Furthermore, each first fixture block is detachably installed on the end face of the two ends of the second arc-shaped installation plate respectively.
Furthermore, the front side surface and the rear side surface of the upper end of the first arc-shaped shell are symmetrically provided with first convex blocks, and the front side surface and the rear side surface of the second arc-shaped shell are symmetrically provided with second convex blocks connected with the first convex blocks through bolts.
Furthermore, a second clamping groove is formed in the end face, facing the second flanging, of the first flanging, and a second clamping block matched with the second clamping groove is arranged on the end face, facing the first flanging, of the second flanging.
The utility model has the advantages that,
(1) the current traveling wave detection device provided by the utility model is characterized in that a damping spring is arranged between the lower end surface of the first flanging and the upper end surface of the first arc-shaped mounting plate, and a damping spring is arranged between the lower end surface of the second flanging and the upper end surface of the second arc-shaped mounting plate, when the current traveling wave detection device needs to be directly installed on the ground through the pin, the first arc-shaped installation plate and the second arc-shaped installation plate can be fixed on the ground near the periphery of the grounding wire, then the first arc-shaped shell and the second arc-shaped shell are connected, thereby being able to avoid vibration of the first arc-shaped case and the second arc-shaped case) connected together, helping to avoid the annular magnetic core from being loosened by the vibration of the first arc-shaped case and the second arc-shaped case), therefore, the closing of the annular magnetic core is ensured, and the reliability of the current traveling wave detection device can be increased to a certain extent.
(2) The utility model provides a current traveling wave detection device, its first fixture block detachably installs on the corresponding terminal surface of second arc mounting panel, is convenient for in time maintain or change each first fixture block.
Furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a current traveling wave detection device according to embodiments 1 and 2 of the present invention.
Fig. 2 is a schematic structural exploded view of the current traveling wave detection device described in embodiment 1.
Fig. 3 is a schematic partial sectional view of a current traveling wave detection device according to embodiments 1 and 2 of the present invention.
Fig. 4 is a schematic partial sectional view 2 of a current traveling wave detection device according to embodiment 1 and embodiment 2 of the present invention.
Fig. 5 is a schematic configuration diagram of the current traveling wave detection device according to embodiment 2.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example 1:
fig. 1-4 show an embodiment of the current traveling wave detection apparatus of the present invention.
As shown in fig. 1 to 4, the current traveling wave detection apparatus includes a first split case 100 and a second split case 200. The first split housing 100 includes a first circular arc shaped housing 101 and a first circular arc shaped mounting plate 105 located below the first circular arc shaped housing 101. The second split housing 200 includes a second circular arc housing 201 and a second circular arc mounting plate 205 located below the second circular arc housing 201. The cross sections of the first arc-shaped shell 101 and the second arc-shaped shell 201 are both in a semi-circular arc shape. The first arc-shaped shell 101 and the second arc-shaped shell 201 are detachably connected to form a cylindrical structure, and the first arc-shaped mounting plate 105 and the second arc-shaped mounting plate 205 are detachably connected to form an annular structure. The top end of the first arc-shaped casing 101 is provided with a first arc-shaped groove 108, a first semicircular magnetic core 110 is fixed in the first arc-shaped groove 108, and the first arc-shaped groove 108 is provided with a first arc-shaped groove cover 109. A second arc-shaped groove 208 is formed in the top end of the second arc-shaped housing 201, a second semicircular magnetic core 210 is fixed in the second arc-shaped groove 208, and a second arc-shaped groove cover 209 is arranged on the second arc-shaped groove 208. When the first arc-shaped shell 101 and the second arc-shaped shell 201 are detachably connected to form a cylindrical structure, the first semicircular magnetic core 110 and the second semicircular magnetic core 210 form a magnetic core in a circular ring shape. The outer side wall of the second arc-shaped shell 201 is provided with a terminal 300, the second semi-circular magnetic core 210 is wound with a coil 212 for detecting current traveling waves, and the leading-out wire of the coil 212 is connected with the terminal 300. The current traveling wave detection device is in signal connection with an external circuit or equipment through the terminal 300. The lower end of the first circular arc-shaped shell 101 is provided with a first flange 1011, and the lower end of the second circular arc-shaped shell 201 is provided with a second flange 2011. A group of first damping springs 104 are arranged between the lower end face of the first flanging 1011 and the upper end face of the first arc-shaped mounting plate 105, and a group of second damping springs 204 are arranged between the lower end face of the second flanging 2011 and the upper end face of the second arc-shaped mounting plate 205. The first and second damping springs 104 and 204 are implemented as insulating springs. Three mounting holes 1051 are provided on the first arc mounting plate 105 and three mounting holes 2051 are provided on the second arc mounting plate 205.
All be equipped with the mounting hole on first arc mounting panel 105 and the second arc mounting panel 205, be convenient for directly fix first arc mounting panel 105 and second arc mounting panel 205 near the earth connection periphery subaerial.
Be equipped with first damping spring 104 between first turn-ups 1011 and the first arc mounting panel 105, be equipped with second damping spring 204 between second turn-ups 2011 and the second arc mounting panel 205, be convenient for use hammer and pin when fixing first arc mounting panel 105 and second arc mounting panel 205 near the earth connection periphery subaerial, reduce the hammer and strike the vibration of pin to whole travelling wave detection device.
Optionally, the sidewall of the second arc-shaped housing 201 is provided with a wire passing hole 211 vertically distributed, and an outgoing line of the coil 212 passes through the wire passing hole 211 and then is connected to the terminal 300.
Optionally, the end surfaces of the two ends of the first arc-shaped mounting plate 105 are respectively provided with a first clamping groove 106, the end surfaces of the two ends of the second arc-shaped mounting plate 205 are respectively provided with a first clamping block 206 used in cooperation with the first clamping groove 106 of the corresponding end of the first arc-shaped mounting plate 105, and each first clamping block 206 is respectively connected with the corresponding first clamping groove 106 in a clamping manner. The first arc-shaped mounting plate 105 and the second arc-shaped mounting plate 205 are connected in a buckling manner through the first clamping groove 106 and the first clamping block 206 to form the annular structure, so that the disassembly is convenient.
Optionally, the front and rear side surfaces of the upper end of the first circular arc casing 101 are symmetrically provided with first protrusions 107, and the front and rear side surfaces of the second circular arc casing 201 are symmetrically provided with second protrusions 207 bolted to the first protrusions 107. After the first lug 107 and the second lug 207 are connected by the bolt, the first circular arc casing 101 and the second circular arc casing 201 form the cylindrical structure, and the assembly and disassembly are convenient.
Optionally, the end faces of the first flange 1011, which face the two ends of the second flange 2011, are both provided with a second clamping groove 102, and the end faces of the second flange 2011, which face the two ends of the first flange 1011, are both provided with a second clamping block 202 matched with the second clamping groove 102. The first flange 1011 and the second flange 2011 are fastened together to form an annular structure via the second engaging groove 102 and the second engaging block 202. The assembly and disassembly are convenient.
When the utility model is used, the grounding wire can be firstly sleeved in the annular structure formed by the first arc-shaped mounting plate 105 and the second arc-shaped mounting plate 205, then the pin is hammered into the ground one by one from the mounting holes on the first arc-shaped mounting plate 105 and the second arc-shaped mounting plate 205 by using the hammer, namely the first arc-shaped mounting plate 105 and the second arc-shaped mounting plate 205 are fixed on the ground near the periphery of the grounding wire, then the grounding wire is sleeved in the annular structure formed by buckling the first flange 1011 and the second flange 2011, the grounding wire is sleeved between the first arc-shaped shell 101 and the second arc-shaped shell 201, then the first lug 107 and the second lug 207 are connected by fastening bolts, thus the connection of the first arc-shaped shell 101 and the second arc-shaped shell 201 is completed, and thus, the installation of the current traveling wave detection device of the utility model on the ground is completed, it is thus clear that the utility model discloses the installation is convenient, and it fixes near the earth connection periphery subaerial with first arc mounting panel 105 and second arc mounting panel 205 earlier, then realize the connection of first convex casing 101 and the convex casing 201 of second again, thereby can slow down the vibration to the first convex casing 101 and the convex casing 201 of second that are connected to together, help avoiding the annular magnetic core not hard up because of the vibration of first convex casing 101 and the convex casing 201 of second, it is visible to help guaranteeing the closure of annular magnetic core, then can increase the reliability that electric current travelling wave detection device used to a certain extent.
Example 2:
fig. 1 and 3-5 show another embodiment of the current traveling wave detection apparatus of the present invention.
Compared with embodiment 1, the difference is that in the current traveling wave detection device in this embodiment, the first fixture block 206 is detachably mounted on the end surfaces of the two ends of the second arc-shaped mounting plate 205, so that the first fixture block 206 is convenient to maintain and update in time, and therefore, the assembly of the current traveling wave detection device is ensured to be smooth to a certain extent.
In the present embodiment, each first latch 206 has a threaded connection portion 2061, and each first latch 206 is detachably mounted in the threaded hole 2051 on the end surface of the second arc-shaped mounting plate 205 through the threaded connection portion 2061.
The same and similar parts in the various embodiments in this specification may be referred to each other.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. A current traveling wave detection device comprises a first split shell (100) and a second split shell (200); the method is characterized in that:
the first split shell (100) comprises a first arc-shaped shell (101) and a first arc-shaped mounting plate (105) positioned below the first arc-shaped shell (101); the second split shell (200) comprises a second arc-shaped shell (201) and a second arc-shaped mounting plate (205) positioned below the second arc-shaped shell (201);
the first arc-shaped shell (101) and the second arc-shaped shell (201) are detachably connected to form a cylindrical structure, and the first arc-shaped mounting plate (105) and the second arc-shaped mounting plate (205) are detachably connected to form an annular structure;
a first arc-shaped groove (108) is formed in the top end of the first arc-shaped shell (101), a first semicircular magnetic core (110) is fixed in the first arc-shaped groove (108), and a first arc-shaped groove cover (109) is arranged on the first arc-shaped groove (108);
a second arc-shaped groove (208) is formed in the top end of the second arc-shaped shell (201), a second semicircular magnetic core (210) is fixed in the second arc-shaped groove (208), and a second arc-shaped groove cover (209) is arranged on the second arc-shaped groove (208);
when the first arc-shaped shell (101) and the second arc-shaped shell (201) are detachably connected to form a cylindrical structure, the first semicircular magnetic core (110) and the second semicircular magnetic core (210) form a circular magnetic core;
a terminal (300) is arranged on the outer side wall of the second arc-shaped shell (201), a coil (212) for detecting current traveling waves is wound on the second semicircular magnetic core (210), and the leading-out wire of the coil (212) is connected to the terminal (300);
the lower end of the first arc-shaped shell (101) is provided with a first flanging (1011), and the lower end of the second arc-shaped shell (201) is provided with a second flanging (2011);
a group of first damping springs (104) are arranged between the lower end face of the first flanging (1011) and the upper end face of the first arc-shaped mounting plate (105), and a group of second damping springs (204) are arranged between the lower end face of the second flanging (2011) and the upper end face of the second arc-shaped mounting plate (205); at least two mounting holes are formed in the first arc-shaped mounting plate (105) and the second arc-shaped mounting plate (205).
2. The current traveling wave detection device according to claim 1, characterized in that: the side wall of the second arc-shaped shell (201) is internally provided with wire passing holes (211) which are vertically distributed, and the outgoing line of the coil (212) is connected into the wiring terminal (300) after passing through the wire passing holes (211).
3. The current traveling wave detection device according to claim 1, characterized in that: all be equipped with first draw-in groove (106) on the both ends terminal surface of first arc mounting panel (105), all be equipped with on the both ends terminal surface of second arc mounting panel (205) and cooperate first fixture block (206) of using with first draw-in groove (106) that first arc mounting panel (105) correspond the end, each first fixture block (206) is connected rather than corresponding first draw-in groove (106) buckle respectively.
4. The current traveling wave detection device according to claim 3, characterized in that: each first clamping block (206) is detachably arranged on the end faces of two ends of the second arc-shaped mounting plate (205).
5. The current traveling wave detection device according to claim 1, characterized in that: first convex blocks (107) are symmetrically arranged on the front side surface and the rear side surface of the upper end of the first circular arc-shaped shell (101), and second convex blocks (207) which are connected with the first convex blocks (107) through bolts are symmetrically arranged on the front side surface and the rear side surface of the second circular arc-shaped shell (201).
6. The current traveling wave detection device according to claim 1, characterized in that: all be equipped with second draw-in groove (102) on the terminal surface towards second turn-ups (2011) of first turn-ups (1011), all be provided with second fixture block (202) that suit with second draw-in groove (102) on the terminal surface towards first turn-ups (1011) of second turn-ups (2011).
CN202020127077.6U 2020-01-19 2020-01-19 Current traveling wave detection device Expired - Fee Related CN211955567U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020127077.6U CN211955567U (en) 2020-01-19 2020-01-19 Current traveling wave detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020127077.6U CN211955567U (en) 2020-01-19 2020-01-19 Current traveling wave detection device

Publications (1)

Publication Number Publication Date
CN211955567U true CN211955567U (en) 2020-11-17

Family

ID=73174012

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020127077.6U Expired - Fee Related CN211955567U (en) 2020-01-19 2020-01-19 Current traveling wave detection device

Country Status (1)

Country Link
CN (1) CN211955567U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201117

Termination date: 20220119

CF01 Termination of patent right due to non-payment of annual fee