CN216792317U - Indoor monitoring devices for arrester's shell structure - Google Patents
Indoor monitoring devices for arrester's shell structure Download PDFInfo
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- CN216792317U CN216792317U CN202123282861.8U CN202123282861U CN216792317U CN 216792317 U CN216792317 U CN 216792317U CN 202123282861 U CN202123282861 U CN 202123282861U CN 216792317 U CN216792317 U CN 216792317U
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- arrester
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- shell
- lightning arrester
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Abstract
The utility model discloses a shell structure of a monitoring device for an indoor lightning arrester, which comprises a lightning arresting end shell and a grounding end shell which are connected by screw threads, wherein a grounding connecting piece consists of a grounding connecting stud and a grounding connecting flat plate; the lightning arrester connecting plate is of a circular trimming structure, the inner ring of the lightning protection end shell is of a circular section, and protrusions which correspond to the circular trimming and prevent the lightning arrester connecting piece from rotating are arranged on the inner wall of the lightning arrester connecting plate. The edge cutting and protruding structure plays a role in preventing the shell and internal parts from rotating, so that the threaded reliable connection between the connecting stud exposed out of the shell and the T-shaped head rear-insertion lightning arrester in the ring main unit can be realized by rotating the shell.
Description
Technical Field
The utility model relates to the field of power devices, in particular to a shell structure of a monitoring device for an indoor lightning arrester.
Background
In an electric power system, a lightning arrester is widely used as a protection device for a substation. The lightning arrester detection device mainly monitors the safe current, the resistive current and the lightning stroke times of the lightning arrester, the resistive current and the lightning stroke times are indexes for reflecting whether the lightning arrester is aged or not, the larger the resistive current is, the more the lightning stroke times are, the more the lightning arrester is aged, and the related parameters are obtained through the monitoring device.
The patent of the company with the application number of 202020467089.3 discloses a wireless detection device for an indoor lightning arrester, one side of a lightning arrester body is provided with a wireless detection module integrated circuit board which is used for detecting the working state of the lightning arrester body and sending a detection signal to a display terminal through wireless transmission, a grounding installation seat is arranged below the lightning arrester body, and the wireless detection module integrated circuit board is sealed and fixedly installed in the grounding installation seat. Wherein wireless detection module integrated circuit board includes the base plate, has set gradually shaping circuit, detection module on the base plate and has been used for wireless transmission detected signal's wireless module, and wireless module is with detected signal wireless transmission to display module, and display module is used for constantly showing the operating condition of arrester body.
When the lightning arrester is inserted behind the T-shaped head applied to the ring main unit, when the detection device is connected with the lightning arrester, the installation space is narrow and small, and the reliable connection can be realized only by screwing with a special tool, so that inconvenience is brought to site construction. Secondly, the light in the looped netowrk cabinet is dim, can't see from the casing outside whether monitoring devices normally work, and the urgent need improves the design.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a shell structure of a detection device, which has a compact structure and is convenient to install, and whether the detection device works normally or not can be observed from the outside of the shell.
The technical scheme of the utility model is as follows:
a shell structure of a monitoring device for an indoor lightning arrester comprises a lightning protection end shell and a grounding end shell which are connected through threads, wherein an overvoltage parameter monitoring unit is arranged in the shell; the overvoltage parameter monitoring unit comprises a grounding connecting piece, an arrester connecting piece and a circuit module; through holes are formed in the outer sides of the lightning protection end shell and the grounding end shell; the ground connecting piece consists of a ground connecting stud and a ground connecting flat plate, the lightning arrester connecting piece consists of a lightning arrester connecting stud and a lightning arrester connecting flat plate, and the ground connecting flat plate and the lightning arrester connecting flat plate are movably connected through an insulating screw;
the grounding connection stud penetrates out of the through hole of the grounding end shell and is fixedly connected with the grounding wire through threads; the lightning arrester connecting stud penetrates out of the lightning protection end shell and is fixedly connected with the lightning arrester through threads,
the lightning arrester connecting plate is of a circular trimming structure, the inner ring of the lightning protection end shell is of a circular section, and protrusions which correspond to the circular trimming and prevent the lightning arrester connecting piece from rotating are arranged on the inner wall of the lightning arrester connecting plate.
In the shell structure of the monitoring device for the indoor lightning arrester, the ground connection flat plate is provided with the circular cut edge which is the same as the lightning arrester connection flat plate.
In the shell structure of the monitoring device for the indoor lightning arrester, the lightning arrester connecting flat plate is provided with two symmetrical circular cut edges, and the inner wall of the shell of the lightning protection end is provided with two bulges corresponding to the circular cut edges.
In the shell structure of the monitoring device for the indoor lightning arrester, the cross section of the outer ring of the lightning protection end shell is circular, square or hexagonal.
In the shell structure of the monitoring device for the indoor lightning arrester, the shell of the lightning protection end is provided with the nameplate, and the nameplate is embedded into the sunken groove.
In the shell structure of the monitoring device for the indoor lightning arrester, the sealing ring is arranged between the lightning protection end shell and the grounding end shell.
In the shell structure of the monitoring device for the indoor lightning arrester, the circuit module is provided with the indicator lamp for monitoring the circuit state, the lightning protection end shell is made of non-transparent materials, and the grounding end shell is made of semitransparent plastic materials.
In the shell structure of the monitoring device for the indoor lightning arrester, the grounding connection stud is sleeved with the grounding stud sealing ring, so that the sealing between the grounding connection stud and the through hole is realized.
In the shell structure of the monitoring device for the indoor lightning arrester, the lightning arrester connecting stud sealing ring is sleeved on the lightning arrester connecting stud, so that the sealing between the lightning arrester connecting stud and the through hole is realized.
In the shell structure of the monitoring device for the indoor lightning arrester, the circuit module is conducted with the grounding connecting stud through the elastic sheet.
The utility model has the following beneficial technical effects:
1. the shell is provided with the protrusions on the inner wall, the protrusions correspond to the circular cut edges on the lightning arrester connecting flat plate and the grounding connecting flat plate, and the cut edges and the protrusions have the function of preventing the shell and internal parts from rotating, so that the threaded connection between the connecting stud exposed out of the shell and the T-shaped head rear-inserted lightning arrester in the ring main unit can be realized by rotating the shell, namely the shell per se has the function of increasing the torque similar to a spanner, a special tool is omitted during installation, and the reliable screwing connection between the shell and the T-shaped head rear-inserted lightning arrester can be ensured.
2. The circuit module is provided with the indicator light for monitoring the circuit state, the lightning protection end shell is made of non-transparent materials, the grounding end shell is made of semitransparent plastic materials, whether the indicator light is lightened or not can be seen from the outside of the shell, but the specific structure inside the shell cannot be seen clearly, and the circuit module can protect the detailed structure technology inside while state monitoring is achieved.
Drawings
FIG. 1 is a schematic view of the monitoring device housing structure of the present invention in use;
FIG. 2 is an external view of a housing structure of the monitoring device of the present invention;
FIG. 3 is an exploded view of a component of the monitoring device of the present invention;
FIG. 4 is an exploded view of the internal structural components of the monitoring device of the present invention;
FIG. 5 is a schematic view of the monitoring device indicator light installation of the present invention;
FIG. 6 is a view of the lightning protection end housing of the present invention;
fig. 7 is a structural view of the arrester connecting member of the present invention.
FIG. 8 is a schematic view of the housing and internal structure of the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 8 at I;
FIG. 10 is an enlarged fragmentary view of FIG. 8 at II;
FIG. 11 is a cross-sectional view taken at A-A of FIG. 8
The reference signs are: 1-lightning protection end shell; 3-sealing ring; 4-nameplate; 5-grounding end shell; 6-a ground connection; 7-a lightning arrester connection; 8-a ground line; 9-a lightning arrester; 10-a housing; 11-circular trimming; 12-a bump; 13-a locking nut; 14-an indicator light; 101-a ground stud seal ring; 102-a spring plate; 103-screw; 104-a circuit module; 105-an insulated stud; 107-wave spring; 108-zinc oxide resistor disc; 109-copper sheet; 111-insulating screws; 112-the arrester is connected with a stud sealing ring; 601-a ground connection stud; 602-ground connection plate; 701-connecting a lightning arrester stud; 702-arrester connection panel.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 5, the housing structure of the monitoring device for the indoor lightning arrester of the utility model comprises a lightning protection terminal housing 1 and a grounding terminal housing 5 which are connected by screw threads, wherein an overvoltage parameter monitoring unit is arranged in the housing; the overvoltage parameter monitoring unit comprises a grounding connecting piece 6, an arrester connecting piece 7, a circuit module 104, a wave spring 107, a zinc oxide resistance sheet 108 and a copper sheet 109. The overvoltage parameter monitoring unit is consistent with the principle and function of the wireless detection device for the indoor lightning arrester (application number 202020467089.3) of the company patent, and the details are not repeated in the patent.
In fig. 1, through holes are formed on the outer sides of the lightning protection terminal housing 1 and the ground terminal housing 5, the ground connector 6 is composed of a ground connection stud 601 and a ground connection plate 602, and the lightning arrester connector 7 is composed of a lightning arrester connection stud 701 and a lightning arrester connection plate 702. The grounding connection stud 601 penetrates through the through hole of the grounding end shell 5 and is fixedly connected with the grounding wire 8 through threads, and the threads at the front end of the grounding connection stud 601 are external threads. The lightning arrester connecting stud 701 penetrates out of the lightning arrester end shell 1 and is fixedly connected with the lightning arrester 9 through threads, wherein the threads of the lightning arrester connecting stud 701 are inner hole threads and are connected with outer threads on the lightning arrester 9, and a locking nut 13 is arranged between the inner hole threads and the outer threads.
In fig. 2, the lightning protection end shell 1 is further provided with a pair of isolation belts, which are used for distinguishing the marks of the upper and lower shells and positioning the pasting position of the nameplate, and the nameplate 4 is pasted in a groove of a plastic shell with a recess of 0.2mm according to the set position. The nameplate 4 is embedded in the recessed groove of the housing. The cross section of the outer ring of the lightning protection terminal shell 1 is preferably circular, and can also be square or hexagonal.
In fig. 4 and 5, the ground connection stud 601, the wave spring 107, the zinc oxide resistance sheet 108, the copper sheet 109 and the lightning arrester connection stud 701 are firstly assembled according to the mode of fig. 4, the ground connection flat plate 602 and the lightning arrester connection flat plate 702 are connected through the insulating screw 111 and then fastened through the insulating stud 105; the circuit module 104 is connected to the insulating stud 105 by a screw 103, and the spring plate 12 is welded at its upper portion to the housing of the ground connecting stud 601 and at its bottom portion to the circuit module 104 by soldering.
The circuit module 104 is provided with an indicator lamp 14 for monitoring the circuit state, the lightning protection terminal shell 1 is made of non-transparent material, and the grounding terminal shell 5 is made of semitransparent plastic material. Whether the indicator light 14 is on or off, and whether the device is functioning properly, can be seen from the exterior of the housing, but without knowing the specific structure of the interior of the housing.
As shown in fig. 6 and 7, the arrester connecting plate 702 has a circular cut structure, the inner ring of the lightning protection terminal housing 1 has a circular cross section, and a protrusion 12 corresponding to the circular cut 11 and preventing the rotation of the arrester connecting member 7 is disposed on the inner wall. Preferably, the flat plate 702 for connecting the lightning arrester is provided with two symmetrical circular cut edges 11, and the inner wall of the shell 1 of the lightning protection end is provided with two protrusions 12 corresponding to the circular cut edges 11. The ground connection plate 602 is also provided with the same circular cut-out as the arrester connection plate 702. The outer diameter of the lightning protection end shell 1 is 72mm, the inner diameter of the lightning protection end shell is 66mm, the distance between the two protrusions 12 is 54.7mm, the outer diameter of the lightning arrester connecting flat plate 702 is 65mm, and the distance between the special-shaped edges after trimming is 54 mm.
As shown in fig. 8 to 11, the ground connection plate 602 and the arrester connection plate 702 in the housing 11 are both strip-shaped structures with circular cut edges, and are just clamped at the protrusion 12 of the lightning protection end housing 1, so as to achieve the purpose that the inner part of the lightning protection end housing cannot rotate in the process of mounting the whole lightning protection end housing and the arrester. In order to realize dust prevention and water prevention, a sealing ring 3 is arranged between the lightning protection end shell 1 and the grounding end shell 5, so that the shell is sealed. The grounding connection stud 601 is sleeved with a grounding stud sealing ring 101 to realize the sealing between the grounding connection stud 601 and the through hole. The arrester connecting stud 701 is sleeved with an arrester connecting stud sealing ring 112, so that sealing between the arrester connecting stud 701 and the through hole is realized.
During installation, an operator connects the lightning arrester connecting stud 701 with the body of the T-shaped head rear-insert lightning arrester 9 through threads, and the lightning arrester connecting stud is locked by the locking nut 13 after rotating to a certain distance. The ground connection stud 601 and the ground wire 8 are then fastened by means of a M10 common nut. Because the inner wall of the shell is provided with the bulges and corresponds to the circular cut edges on the arrester connecting flat plate and the grounding connecting flat plate, the cut edges and the bulge structures play a role in preventing the shell and internal parts from rotating, thereby manually rotating the shell, realizing the threaded connection between the connecting stud exposed on the shell and the T-shaped head rear plug arrester in the ring main unit, otherwise, the connecting stud 701 of the arrester needs to be clamped by a special tool to be screwed, namely, the shell plays a role of increasing torque similar to a wrench, the special tool is saved during installation, the working efficiency is improved, and the reliable screwing connection between the shell and the ground connecting flat plate can be ensured.
Claims (10)
1. The utility model provides an indoor monitoring devices for arrester's shell structure which characterized in that: the lightning protection device comprises a lightning protection end shell (1) and a grounding end shell (5) which are connected through threads, wherein an overvoltage parameter monitoring unit is arranged in the shell; the overvoltage parameter monitoring unit comprises a grounding connecting piece (6), an arrester connecting piece (7) and a circuit module (104);
through holes are formed in the outer sides of the lightning protection end shell (1) and the grounding end shell (5);
the lightning arrester connecting piece (7) consists of a lightning arrester connecting stud (701) and a lightning arrester connecting flat plate (702), and the grounding connecting flat plate (602) is movably connected with the lightning arrester connecting flat plate (702) through an insulating screw (111);
the grounding connection stud (601) penetrates through the through hole of the grounding end shell (5) and is fixedly connected with the grounding wire (8) through threads; the lightning arrester connecting stud (701) penetrates out of the lightning arrester end shell (1) and is fixedly connected with the lightning arrester (9) through threads,
the lightning arrester connecting plate (702) is of a circular trimming structure, the inner ring of the lightning arrester terminal shell (1) is of a circular section, and protrusions (12) which correspond to the circular trimming (11) and prevent the lightning arrester connecting piece (7) from rotating are arranged on the inner wall of the lightning arrester terminal shell.
2. The housing construction for an indoor arrester monitoring device of claim 1 further comprising: the ground connection plate (602) is provided with a circular cut edge identical to the arrester connection plate (702).
3. The casing structure of an indoor lightning arrester monitoring device according to claim 1 or 2, characterized in that: the lightning arrester connecting flat plate (702) is provided with two symmetrical circular cut edges (11), and the inner wall of the lightning protection end shell (1) is provided with two bulges (12) corresponding to the circular cut edges (11).
4. The housing construction for an indoor arrester monitoring device of claim 1 further comprising: the cross section of the outer ring of the lightning protection end shell (1) is circular or square.
5. The housing construction for an indoor arrester monitoring device of claim 1 further comprising: be provided with data plate (4) on lightning-arrest end casing (1), data plate (4) embedding in sunken inslot.
6. The housing construction for an indoor arrester monitoring device of claim 1 further comprising: a sealing ring (3) is arranged between the lightning protection end shell (1) and the grounding end shell (5).
7. The housing construction for an indoor arrester monitoring device of claim 1 further comprising: the circuit module (104) is provided with an indicator light for monitoring the circuit state, the lightning protection end shell (1) is made of non-transparent materials, and the grounding end shell (5) is made of semitransparent plastic materials.
8. The housing construction for an indoor arrester monitoring device of claim 1 further comprising: and a grounding stud sealing ring (101) is sleeved on the grounding connecting stud (601) to realize the sealing between the grounding connecting stud (601) and the through hole.
9. The housing construction for an indoor arrester monitoring device of claim 1 further comprising: an arrester connecting stud sealing ring (112) is sleeved on the arrester connecting stud (701) to realize the sealing between the arrester connecting stud (701) and the through hole.
10. The housing construction for an indoor arrester monitoring device of claim 1 further comprising: the circuit module (104) is conducted with the grounding connection stud (601) through the elastic sheet (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123282861.8U CN216792317U (en) | 2021-12-24 | 2021-12-24 | Indoor monitoring devices for arrester's shell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123282861.8U CN216792317U (en) | 2021-12-24 | 2021-12-24 | Indoor monitoring devices for arrester's shell structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216792317U true CN216792317U (en) | 2022-06-21 |
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ID=82008870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123282861.8U Active CN216792317U (en) | 2021-12-24 | 2021-12-24 | Indoor monitoring devices for arrester's shell structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216792317U (en) |
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2021
- 2021-12-24 CN CN202123282861.8U patent/CN216792317U/en active Active
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