CN113495226A - 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
- CN113495226A CN113495226A CN202110978041.8A CN202110978041A CN113495226A CN 113495226 A CN113495226 A CN 113495226A CN 202110978041 A CN202110978041 A CN 202110978041A CN 113495226 A CN113495226 A CN 113495226A
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- Prior art keywords
- monitor
- contact
- main body
- lightning arrester
- arrester
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- 230000003068 static effect Effects 0.000 claims abstract description 28
- 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
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 13
- 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 description 2
- 238000012806 monitoring device Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Gas-Insulated Switchgears (AREA)
- Thermistors And Varistors (AREA)
Abstract
The application discloses arrester on-line monitoring ware device that easy change does not have a power failure includes: the device comprises a device body, a first monitor and a second monitor; first monitor and second monitor all set up in the device main part, and the two all includes: a leakage current meter and at least two connectors; two connectors are connected respectively and are revealed ammeter's upper end and lower extreme, and include: the fixed contact, the moving contact and the copper column; the static contact is arranged in the device main body; the moving contact is arranged on the copper column; the copper column is connected with a leakage ammeter; the static contact positioned 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 moving contact in the first monitor is connected with the fixed contact in a pluggable manner; the moving contact in the second monitor is disconnected with the fixed contact. Through setting up first monitor and second monitor, when needs maintain the change, install the second monitor on the stationary contact through its moving contact, realize not having the outage 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 not powered off and is easy to replace.
Background
At present, an outdoor 35kV and above lightning arrester online monitor mainly has two installation modes, wherein the lightning arrester online monitor and the lightning arrester are directly connected with a system, and the lightning arrester online monitor and the lightning arrester are connected with the system through an isolation switch; after the lightning arrester online monitor runs for a long time outdoors, defects of inaccurate monitoring data, fuzzy needle clamping and mirror surface, incapability of reading and the like can occur due to high temperature, aging, sealing failure, dampness and the like, and the monitor needs to be replaced.
The replacement mode among the prior art scheme mainly is: aiming at the first mode, the online monitor of the arrester is replaced when power fails, namely, the online monitor of the arrester is replaced when the arrester is powered off; aiming at the second mode, two knife switches are additionally arranged in front of the lightning arrester on-line monitor, the first knife switch is arranged between the lightning arrester and the lightning arrester on-line monitor, and the second knife switch is arranged between the lightning arrester and a grounding body; when the lightning arrester normally operates, the first disconnecting link is closed, the second disconnecting link is opened, and the leakage current of the lightning arrester flows through the online lightning arrester monitor to monitor the leakage current of the lightning arrester; when the lightning arrester on-line monitor needs to be replaced, the second disconnecting link is closed, the first disconnecting link is pulled open, the lightning arrester is directly grounded at the moment, and the lightning arrester on-line monitor is isolated.
For the replacement mode of the first mode, the lightning arrester cannot be put into use during power failure, so that the main equipment loses overvoltage protection; for the replacement mode of 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 present application provides an arrester on-line monitoring device that is easy to replace without power outage for solving the problem that the existing arrester on-line monitoring device cannot be considered without power outage and has low personal risk when needing to be replaced.
In order to achieve the above technical object, the present application provides an arrester on-line monitoring device that is easy to change without power failure, including: the device comprises a device 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 of them include: a leakage current meter and at least two connectors;
two the connector is connected respectively leak ammeter's upper end and lower extreme, and include: the fixed contact, the moving contact and the copper column;
the static contact is fixed 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 positioned 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 moving contact in the first monitor is connected with the fixed contact in a pluggable manner;
and the moving contact in the second monitor is disconnected with the fixed contact.
Furthermore, the connector also comprises a fixing plate and a connecting sheet;
the fixing plate is fixedly arranged in the device main body, and a mounting hole is formed in the fixing plate;
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.
Furthermore, 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;
a gap is formed between the connecting sheet and the mounting hole.
Further, the fixed contact is connected with the device main body through an insulator.
Furthermore, 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 installation cavity.
Further, the device main body is provided with an observation window for observing the inside of the installation cavity.
Further, the device main body is made of stainless steel.
Further, the connecting sheet is mounted on the mounting hole through an insulator;
and the other end of the static contact is connected with the device main body through an insulator.
Furthermore, the moving contact is a plum blossom contact or a U-shaped clamping contact.
According to the above technical scheme, the application provides an arrester on-line monitoring ware device that does not have a power failure and easily changes, includes: the device comprises a device 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 of them include: the moving contact, the static contact, the copper column, the fixed plate, the connecting sheet and the ammeter are arranged on the fixed plate; the ammeter is connected with the lightning arrester; the fixing plate is arranged in the device main body, and a mounting hole is formed in the fixing plate; the connecting sheet is arranged on the mounting hole, one end of the connecting sheet is connected with the ammeter, and the other end of the connecting sheet is connected with the copper column; one end of the fixed contact is connected with the copper column; the moving contact is connected with the grounding wire and can be installed on the static contact in a pulling and inserting mode.
By arranging the first monitor and the second monitor, the movable contact in the first monitor can be arranged on the static contact when the device is used at ordinary times, and the movable 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 into the device main body and the moving contact of the new monitor is connected with the fixed contact, so that the second monitor can be replaced without power outage, and the problems that the existing online monitor for the lightning arrester cannot be used for both power outage and low personal risk when the second monitor 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 needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a left perspective view of an arrester on-line monitor device that is easy to replace without power outage according to an embodiment of the present application;
fig. 2 is a perspective view of an arrester on-line monitor device that is easy to replace without power outage according to an embodiment of the present application;
fig. 3 is a front perspective view of an arrester on-line monitor device that is easy to replace without power outage according to an embodiment of the present application;
fig. 4 is an exploded view of a lightning arrester on-line monitor device which is easy to replace without power cut according to an embodiment of the present application;
fig. 5 is a combination diagram of a lightning arrester on-line monitor device which is easy to replace without power cut according to an embodiment of the present application;
in the figure: 1. static contact; 2. a moving contact; 3. a copper pillar; 4. an insulator; 5. a fixing plate; 51. mounting holes; 6. a leakage current meter; 7. connecting sheets; 8. a screw; 10. a device main body; 101. a mounting cavity; 102. a door panel; 11. a first monitor; 12. a second monitor.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are some, but not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection claimed herein.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, 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 the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 5, an online arrester monitor device that is easily replaced without power outage 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 provided in the apparatus main body 10, and both include: a leakage current meter 6 and at least two connectors; two connectors are connected respectively and are leaked ammeter 6's upper end and lower extreme, and include: a static contact 1, a moving contact 2 and a copper column 3; the static contact 1 is fixed in the device 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 grounding wire; the moving contact 2 in the first monitor 11 is connected with the static contact 1 in a pluggable way; the movable 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 conductive 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.
Particularly, the lightning arrester on-line monitor device integrally meets the lightning current through-flow requirement. A moving contact 2 in a first monitor 11 is connected with a static contact 1, so that a closed loop is formed by the lightning arrester and a grounding wire; when the first monitor 11 needs to be replaced, the moving contact 2 in the second monitor 12 is connected with the static contact 1, and the moving contact 2 in the first monitor 11 is disconnected with the static contact 1; at this time, the second monitor 12 can form a passage with the lightning arrester and the grounding wire, and the first monitor 11 can be detached and replaced in a state of keeping the normal operation of the lightning arrester. Accordingly, the second monitor 12 is replaced without power interruption in the same manner as the first monitor 11.
As a further improvement, the connector further comprises a fixing plate 5 and a connecting piece 7; the fixed plate 5 is fixedly arranged in the device main body 10, and the fixed plate 5 is provided with a mounting hole 51; the connecting sheet 7 is installed 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 plate 7 are used for insulating connection and supporting.
Furthermore, the connecting sheet 7 is concave, and a concave cavity is formed in the middle; the cavity walls at two sides of the concave cavity are connected with a fixing plate 5 through insulators 4; the connecting piece 7 has a clearance from the mounting hole 51.
Specifically, the connecting piece 7 is concave and can be used for mounting the insulator 4, and the connecting piece 7 and the mounting hole 51 are arranged at intervals to achieve a better insulating connection effect.
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 arranged inside the device main body 10, and a door panel 102 capable of opening and closing the installation cavity 101 is arranged on the device main body 10; the first monitor 11 and the second monitor 12 are both disposed in the installation cavity 101. The apparatus main body 10 is provided with an observation window for observing the inside of the installation cavity 101. The device body 101 may be made of stainless steel.
Particularly, the device main part 101 selects stainless steel material for use, can play prevent wind, waterproof, sun-proof, dampproofing and dirt-proof effect, effectively protects inside components and parts, delays first monitor 11 and second monitor 12 ageing and weing. Moreover, the observation window can be made of toughened glass, so that the staff can observe the online monitoring data of the internal ammeter 6 conveniently.
Furthermore, the moving contact 2 is a tulip contact or a U-shaped clamping contact, adopts a standardized specification, and is matched with the static contact 1 for use.
The application provides an arrester on-line monitoring ware device that does not have a power failure and easily changes pulls out the complex mode of inserting through moving contact 2 and static contact 1, the change work of accomplishing first monitor 11 or second monitor 12 that can be convenient safe. Moreover, the first monitor 11 and the second monitor 12 are also connected in series with corresponding travel switches, when both travel switches are pressed down, the electromagnet connected with the corresponding monitor is powered off, and the corresponding monitor can be replaced at this time; when any travel switch is not pressed down, the electromagnet is electrified, and cannot be replaced, so that the safety protection effect is achieved, and the risk of misoperation of workers is reduced.
Although the present invention has been described in detail with reference to examples, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (8)
1. The utility model provides an easy arrester on-line monitoring ware device of changing that does not have a power failure which characterized in that includes: the device comprises a device 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 of them include: a leakage current meter and at least two connectors;
two the connector is connected respectively leak ammeter's upper end and lower extreme, and include: the fixed contact, the moving contact and the copper column;
the static contact is fixed 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 positioned 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 moving contact in the first monitor is connected with the fixed contact in a pluggable manner;
and the moving contact in the second monitor is disconnected with the fixed contact.
2. The non-stop easy-to-replace lightning arrester online monitor device according to claim 1, wherein the connector further comprises a fixing plate and a connecting piece;
the fixing plate is fixedly arranged in the device main body, and a mounting hole is formed in the fixing plate;
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.
3. The on-line arrester monitor device according to claim 2, 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;
a gap is formed between the connecting sheet and the mounting hole.
4. The non-stop easy-to-replace lightning arrester online monitor device according to claim 1, wherein the static contact is connected with the device body through an insulator.
5. The on-line arrester monitor device easy to replace without power failure as claimed in claim 1, wherein an installation cavity is arranged inside the device main body, and a door panel 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 installation cavity.
6. The non-stop easy-to-replace lightning arrester online monitor device according to claim 5, characterized in that an observation window is arranged on the device main body for observing the inside of the installation cavity.
7. The on-line arrester monitor device according to claim 1, wherein the device body is made of stainless steel.
8. The on-line arrester monitor device capable of being replaced without power failure as claimed in claim 1, wherein the movable 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 true CN113495226A (en) | 2021-10-12 |
| CN113495226B 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 |
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| 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 |
|---|
| 岳渝淞等: "带电快速更换避雷器在线监测器的应用", 大众用电, no. 05, pages 28 - 29 * |
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| CN113495226B (en) | 2024-01-23 |
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