CN113495226B - Lightning arrester on-line monitor device easy to replace without power outage - Google Patents
Lightning arrester on-line monitor device easy to replace without power outage Download PDFInfo
- Publication number
- CN113495226B CN113495226B CN202110978041.8A CN202110978041A CN113495226B CN 113495226 B CN113495226 B CN 113495226B CN 202110978041 A CN202110978041 A CN 202110978041A CN 113495226 B CN113495226 B CN 113495226B
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- Prior art keywords
- monitor
- contact
- lightning arrester
- main body
- leakage
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052802 copper Inorganic materials 0.000 claims abstract description 20
- 239000010949 copper Substances 0.000 claims abstract description 20
- 230000003068 static effect Effects 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 11
- 239000012212 insulator Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 241000722921 Tulipa gesneriana Species 0.000 claims 1
- 238000012806 monitoring device Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000037072 sun protection Effects 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- 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
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Gas-Insulated Switchgears (AREA)
- Thermistors And Varistors (AREA)
Abstract
The application discloses lightning arrester on-line monitoring device that easy change of uninterrupted power supply includes: the device comprises a device main body, a first monitor and a second monitor; the first monitor and the second monitor are both arranged in the device main body, and both the first monitor and the second monitor comprise: a leakage ammeter and at least two connectors; the upper end and the lower extreme of leakage ampere meter are connected respectively to two connectors, and include: a fixed contact, a movable contact and a copper column; the fixed contact is arranged in the device main body; the moving contact is arranged on the copper column; the copper column is connected with the leakage ammeter; the static contact at the upper end of the leakage ammeter is connected with a leakage current lead of the lightning arrester; the static contact at the lower end of the leakage ammeter is connected with a grounding wire; the movable contact and the fixed contact in the first monitor are in pluggable connection; and the movable contact in the second monitor is disconnected with the fixed contact. Through setting up first monitor and second monitor, when needs maintenance change, install the second monitor on the static contact through its moving contact, realize not having a power failure and change first monitor.
Description
Technical Field
The application relates to the technical field of lightning arrester monitoring devices, in particular to an online lightning arrester monitor device which is easy to replace without power failure.
Background
At present, an outdoor on-line monitor of 35kV and above mainly has two mounting modes, namely, the on-line monitor of the arrester and the arrester are directly connected with a system, and the on-line monitor of the arrester and the arrester are connected with the system through an isolation disconnecting link; and after the on-line monitor of the lightning arrester runs outdoors for a long time, defects of inaccurate monitoring data, inaccurate card pin, fuzzy mirror surface, incapability of reading and the like possibly occur due to high temperature, aging, sealing failure, damp and the like, and the monitor needs to be replaced.
The replacement mode in the prior art scheme mainly comprises the following steps: aiming at the first mode, the on-line monitor of the lightning arrester is replaced in a power failure, namely the on-line monitor of the lightning arrester is replaced in a power failure; for the second mode, two small knife switches are additionally arranged in front of the on-line monitor of the lightning arrester, the first knife switch is arranged between the lightning arrester and the on-line monitor of the lightning arrester, and the second knife switch is arranged between the lightning arrester and the grounding body; when the lightning arrester is in normal operation, the first disconnecting link is closed, the second disconnecting link is opened, and leakage current of the lightning arrester flows through an on-line monitor of the lightning arrester to monitor the leakage current of the lightning arrester; when the on-line monitor of the lightning arrester needs to be replaced, the second disconnecting link is closed, the first disconnecting link is pulled open, and at the moment, the lightning arrester is directly grounded and isolated from the on-line monitor of the lightning arrester.
For the first mode of replacement, the lightning arrester cannot be put into use during power failure, so that the main equipment loses overvoltage protection; for the second mode, there is a requirement for the operation sequence of the knife switch, and if the operation sequence is wrong, personal safety accidents may be caused.
Disclosure of Invention
In view of this, the purpose of this application is to provide a lightning arrester on-line monitoring device that does not have a power failure and easily changes for solve current lightning arrester on-line monitoring ware and can't give attention to the problem that does not have a power failure and personal risk is lower when needs change.
For achieving the technical purpose, the application provides an online lightning arrester monitor device easy to replace without power outage, comprising: the device comprises a device main body, a first monitor and a second monitor;
the first monitor and the second monitor are both disposed within the device body, and both include: a leakage ammeter and at least two connectors;
the two connectors are respectively connected with the upper end and the lower end of the leakage ammeter, and comprise: a fixed contact, a movable contact and a copper column;
the fixed contact is fixed in the device main body;
the movable contact is arranged on the copper column;
the copper column is connected with the leakage ammeter;
the static contact at the upper end of the leakage ammeter is connected with a leakage current lead of the lightning arrester;
the static contact at the lower end of the leakage ammeter is connected with a ground wire;
the movable contact and the fixed contact in the first monitor are in pluggable connection;
and the movable contact and the fixed contact in the second monitor are disconnected.
Further, the connector further comprises a fixing plate and a connecting sheet;
the fixing plate is fixedly arranged in the device main body, and the fixing plate is provided with a mounting hole;
the connecting piece is installed on the mounting hole, one end of the connecting piece is connected with the ammeter, and the other end of the connecting piece is connected with the copper column.
Further, the connecting sheet is concave, and a concave cavity is formed in the middle of the connecting sheet;
the cavity walls at two sides of the concave cavity are connected with the fixing plate through insulators;
and a gap is reserved between the connecting sheet and the mounting hole.
Further, the stationary contact is connected with the device main body through an insulator.
Further, an installation cavity is formed in the device main body, and a door plate capable of opening and closing the installation cavity is arranged on the device main body;
the first monitor and the second monitor are both arranged in the mounting cavity.
Further, an observation window is arranged on the device main body and used for observing the inside of the installation cavity.
Further, the device body is made of stainless steel.
Further, the connecting sheet is arranged on the mounting hole through an insulator;
the other end of the fixed contact is connected with the device main body through an insulator.
Further, the moving contact is a plum blossom contact or a U-shaped clamping contact.
From above technical scheme, this application provides an on-line monitor device of lightning arrester that does not have a power failure and easily changes, includes: the device comprises a device main body, a first monitor and a second monitor; the first monitor and the second monitor are both disposed within the device body, and both include: the device comprises a moving contact, a fixed contact, a copper column, a fixed plate, a connecting sheet and an ammeter; the ammeter is connected with the lightning arrester; the fixing plate is arranged in the device main body, and is provided with a mounting hole; the connecting piece is arranged on the mounting hole, one end of the connecting piece is connected with the ammeter, and the other end of the connecting piece is connected with the copper column; one end of the static contact is connected with the copper column; the movable contact is connected with the grounding wire and is installed on the static contact in a pluggable manner.
By arranging the first monitor and the second monitor, the moving contact in the first monitor can be arranged on the static contact during normal use, and the moving contact in the second monitor is pulled out to be separated from the static contact; when maintenance and replacement are needed, the moving contact in the second monitor is arranged on the static contact, so that the first monitor can be replaced without power failure, and the process is convenient and safe; correspondingly, when the second monitor needs to be maintained and replaced, a new monitor is installed in the device main body and the moving contact and the fixed contact of the new monitor are connected, so that the uninterrupted power supply replacement of the second monitor can be completed, and the problems that the uninterrupted power supply and the lower personal risk cannot be considered when the existing online monitor of the lightning arrester needs to be replaced are effectively solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a left perspective view of an online lightning arrester monitor device which is easy to replace without power outage, provided by an embodiment of the application;
fig. 2 is a perspective view of an online lightning arrester monitor device which is easy to replace without power outage provided by an embodiment of the application;
fig. 3 is a front perspective view of an on-line lightning arrester monitor device which is easy to replace without power outage, provided by an embodiment of the application;
fig. 4 is an exploded view of a monitor in an on-line monitor device for an uninterrupted and easily replaceable lightning arrester according to an embodiment of the present application;
fig. 5 is a combined diagram of a monitor in an on-line monitor device for a lightning arrester, which is easy to replace without power outage, provided by an embodiment of the present application;
in the figure: 1. a stationary contact; 2. a moving contact; 3. copper columns; 4. an insulator; 5. a fixing plate; 51. a mounting hole; 6. a leakage ammeter; 7. a connecting sheet; 8. a screw; 10. a device body; 101. a mounting cavity; 102. a door panel; 11. a first monitor; 12. and a second monitor.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the embodiments of the present application, are within the scope of the claimed invention.
In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, interchangeably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the terms in the embodiments of the present application will be understood by those of ordinary skill in the art in a specific context.
Referring to fig. 1 to 5, an online lightning arrester monitor device with easy replacement without power outage provided in an embodiment of the present application includes: a device main body 10, a first monitor 11, and a second monitor 12; the first monitor 11 and the second monitor 12 are both disposed in the device body 10, and both include: a leakage ammeter 6 and at least two connectors; the two connectors are respectively connected with the upper end and the lower end of the leakage ammeter 6, and comprise: a fixed contact 1, a movable contact 2 and a copper column 3; the fixed contact 1 is fixed in the device main body 10; the moving contact 2 is arranged on the copper column 3; the copper column 3 is connected with a leakage ammeter 6; the static contact 1 positioned at the upper end of the leakage ammeter 6 is connected with a leakage current lead of the lightning arrester; the static contact at the lower end of the leakage ammeter 6 is connected with a ground wire; the movable contact 2 in the first monitor 11 is in pluggable connection with the fixed contact 1; the moving contact 2 in the second monitor 12 is disconnected from the fixed contact 1. The copper column 3 can play a role in supporting while playing a role in conducting connection; the apparatus body 10 may be a case or the like.
Specifically, the two connectors included in the first monitor 11 and the second monitor 12 form two parallel connection paths.
Specifically, the lightning arrester on-line monitor device integrally meets the lightning current flow requirement. The movable contact 2 in the first monitor 11 is connected with the fixed contact 1, so that a closed loop is formed between the lightning arrester and the ground wire; when the first monitor 11 needs to be replaced, connecting the moving contact 2 in the second monitor 12 with the fixed contact 1, and disconnecting the moving contact 2 in the first monitor 11 from the fixed contact 1; at this time, the second monitor 12 can form a passage with the lightning arrester and the grounding wire, and then the first monitor 11 can be detached and replaced under the state of keeping the normal operation of the lightning arrester. Accordingly, the second monitor 12 is replaced without power outage, and the same operation as the first monitor 11 is performed.
As a further improvement, the connector also comprises a fixing plate 5 and a connecting sheet 7; the fixed plate 5 is fixedly installed in the device main body 10, and the fixed plate 5 is provided with an installation hole 51; the connecting piece 7 is mounted on the mounting hole 51, and one end is connected with the leakage ammeter 6, and the other end is connected with the copper column 3.
Specifically, the fixing plate 5 and the connecting sheet 7 are used for insulating connection and supporting.
Further, the connecting sheet 7 is concave, and a concave cavity is formed in the middle; the cavity walls at the two sides of the concave cavity are connected with a fixed plate 5 through insulators 4; a gap is provided between the connection piece 7 and the mounting hole 51.
Specifically, the connecting sheet 7 is concave, so that the insulator 4 can be installed, and the connecting sheet 7 and the installation hole 51 are arranged at intervals, so that a better insulating connection effect is achieved.
Further, the static contact 1 is connected with the device main body 10 through the insulator 4, so that the risk of electric leakage is avoided.
Further, an installation cavity 101 is provided in the device body 10, and a door plate 102 capable of opening and closing the installation cavity 101 is provided on the device body 10; the first monitor 11 and the second monitor 12 are both disposed within the mounting cavity 101. The apparatus body 10 is provided with an observation window for observing the inside of the installation cavity 101. The device body 10 may be made of stainless steel.
Specifically, the device main body 10 is made of stainless steel, and can play roles of wind prevention, water prevention, sun protection, moisture prevention and dust prevention, so that internal components are effectively protected, and the ageing and the wetting of the first monitor 11 and the second monitor 12 are delayed. And moreover, the observation window can be made of toughened glass, so that workers can observe on-line monitoring data of the internal ammeter 6 conveniently.
Further, the moving contact 2 is a plum blossom contact or a U-shaped clamping contact, adopts standardized specifications, and is matched with the fixed contact 1 for use.
The application provides an easy replacement's of uninterrupted power supply arrester on-line monitoring device, through moving contact 2 and the 1 mode of plug-in fit of static contact, can convenient safe completion first monitor 11 or the change work of second monitor 12. When both travel switches are pressed, the electromagnet connected with the corresponding monitor is powered off, and the corresponding monitor can be replaced at the moment; when any travel switch is not pressed, the electromagnet is electrified and cannot be replaced, so that a safety protection effect is achieved, and the risk of misoperation of staff is reduced.
While the present invention has been described in detail with reference to the examples, it will be apparent to those skilled in the art that the foregoing examples can be modified or equivalents substituted for some of the features thereof, and any modifications, equivalents, improvements and substitutions made therein are intended to be within the spirit and principles of the present invention.
Claims (7)
1. An uninterrupted easy-to-replace arrester on-line monitor device, comprising: the device comprises a device main body, a first monitor and a second monitor;
the first monitor and the second monitor are both disposed within the device body, and both include: a leakage ammeter and at least two connectors;
the two connectors are respectively connected with the upper end and the lower end of the leakage ammeter, and comprise: a fixed contact, a movable contact and a copper column;
the fixed contact is fixed in the device main body;
the movable contact is arranged on the copper column;
the copper column is connected with the leakage ammeter;
the static contact at the upper end of the leakage ammeter is connected with a leakage current lead of the lightning arrester;
the static contact at the lower end of the leakage ammeter is connected with a ground wire;
the movable contact and the fixed contact in the first monitor are in pluggable connection;
the movable contact in the second monitor is disconnected with the fixed contact;
the connector also comprises a fixing plate and a connecting sheet;
the fixing plate is fixedly arranged in the device main body, and the fixing plate is provided with a mounting hole;
the connecting piece is installed on the mounting hole, one end of the connecting piece is connected with the leakage ammeter, and the other end of the connecting piece is connected with the copper column.
2. The uninterrupted and easily replaceable lightning arrester on-line monitor device according to claim 1, wherein the connecting piece is concave, and a concave cavity is formed in the middle;
the cavity walls at two sides of the concave cavity are connected with the fixing plate through insulators;
and a gap is reserved between the connecting sheet and the mounting hole.
3. The on-line monitor device for an uninterrupted power supply easy-to-replace arrester of claim 1, wherein said stationary contact is connected to said device body via an insulator.
4. The uninterrupted and easily replaceable lightning arrester on-line monitor device according to claim 1, wherein an installation cavity is arranged in the device main body, and a door plate capable of opening and closing the installation cavity is arranged on the device main body;
the first monitor and the second monitor are both arranged in the mounting cavity.
5. The on-line monitor device for an uninterrupted power supply easy to replace according to claim 4, wherein an observation window is provided on the device body for observing the inside of the installation cavity.
6. The uninterruptible and replaceable lightning arrester on-line monitor device of claim 1, wherein the device body is made of stainless steel.
7. The uninterrupted and easily replaceable lightning arrester on-line monitor device according to claim 1, wherein the moving contact is a tulip contact or a U-shaped clamping contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110978041.8A CN113495226B (en) | 2021-08-23 | 2021-08-23 | Lightning arrester on-line monitor device easy to replace without power outage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110978041.8A CN113495226B (en) | 2021-08-23 | 2021-08-23 | Lightning arrester on-line monitor device easy to replace without power outage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113495226A CN113495226A (en) | 2021-10-12 |
| CN113495226B true CN113495226B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110978041.8A Active CN113495226B (en) | 2021-08-23 | 2021-08-23 | Lightning arrester on-line monitor device easy to replace without power outage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113495226B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201378191Y (en) * | 2009-04-04 | 2010-01-06 | 权衡 | Electrified-replaceable on-line monitor of lightning arrester |
| CN204882759U (en) * | 2015-08-25 | 2015-12-16 | 国网新疆电力公司昌吉供电公司 | Arrester on -line monitoring device can dismantle structure with electricity |
| JP2018040775A (en) * | 2016-09-09 | 2018-03-15 | 株式会社東芝 | Leakage current measurement method for transmission line arrester and measurement apparatus |
| CN208224421U (en) * | 2018-05-16 | 2018-12-11 | 江苏海立普电力科技有限公司 | A kind of arrester on-line monitoring system |
| CN110445049A (en) * | 2019-09-20 | 2019-11-12 | 广东电网有限责任公司 | It is a kind of not have a power failure the metal armoured switchgear of function with maintenance |
| CN113216983A (en) * | 2021-05-28 | 2021-08-06 | 安徽唐兴机械装备有限公司 | Replacing device for earth pressure sensor of push bench |
-
2021
- 2021-08-23 CN CN202110978041.8A patent/CN113495226B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201378191Y (en) * | 2009-04-04 | 2010-01-06 | 权衡 | Electrified-replaceable on-line monitor of lightning arrester |
| CN204882759U (en) * | 2015-08-25 | 2015-12-16 | 国网新疆电力公司昌吉供电公司 | Arrester on -line monitoring device can dismantle structure with electricity |
| JP2018040775A (en) * | 2016-09-09 | 2018-03-15 | 株式会社東芝 | Leakage current measurement method for transmission line arrester and measurement apparatus |
| CN208224421U (en) * | 2018-05-16 | 2018-12-11 | 江苏海立普电力科技有限公司 | A kind of arrester on-line monitoring system |
| CN110445049A (en) * | 2019-09-20 | 2019-11-12 | 广东电网有限责任公司 | It is a kind of not have a power failure the metal armoured switchgear of function with maintenance |
| CN113216983A (en) * | 2021-05-28 | 2021-08-06 | 安徽唐兴机械装备有限公司 | Replacing device for earth pressure sensor of push bench |
Non-Patent Citations (1)
| Title |
|---|
| 带电快速更换避雷器在线监测器的应用;岳渝淞等;大众用电(第05期);第28-29页 * |
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| Publication number | Publication date |
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| CN113495226A (en) | 2021-10-12 |
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