CN108051667A - A kind of sleeve of main transformer end shield on-line monitoring system earthing or grounding means - Google Patents
A kind of sleeve of main transformer end shield on-line monitoring system earthing or grounding means Download PDFInfo
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- CN108051667A CN108051667A CN201711230564.4A CN201711230564A CN108051667A CN 108051667 A CN108051667 A CN 108051667A CN 201711230564 A CN201711230564 A CN 201711230564A CN 108051667 A CN108051667 A CN 108051667A
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- Prior art keywords
- connecting rod
- test
- plate
- grounding means
- earthing
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses sleeve of main transformer end shield on-line monitoring system earthing or grounding means, including earthing or grounding means box, insulating base, ground structure, earthing or grounding means box includes the box body, the box cover that are hinged, insulating base is connected with box body inside bottom, insulating base is connected with box body inside bottom, ground structure includes conductive connection plates, three groups of connecting components, and three groups of connecting components are connected respectively with conductive connection plates；Connecting component includes test connecting rod fixed plate, ground connection pressing plate, test connecting rod, anti-offresistance, every group of connecting component includes two sets of connectors, a set of connector includes test connecting rod fixed plate, ground connection pressing plate, test connecting rod, anti-offresistance, the both ends for testing connecting rod are connected respectively with testing one end of connecting rod fixed plate, ground connection pressing plate one end is connected with conductive connection plates, the other end is connected with close to one piece of test connecting rod fixed plate for being conductively connected Board position, and anti-offresistance is connected respectively with ground connection pressing plate, conductive connection plates.
Description
Technical field
The present invention relates to electric power facility detection device technical field more particularly to a kind of sleeve of main transformer end shield on-line monitoring systems
System earthing or grounding means.
Background technology
It continues to develop with power grid and constantly expands with power grid scale, it is imperative to implement grid equipment repair based on condition of component.And
The correct collection of equipment state inspection (prison) measurement information is the basis of repair based on condition of component, can be become to equipment health status and fault progression
Gesture makes assessment, rationally reduces the cost of overhaul, improves overhaul efficiency, ensures equipment reliability service.Main transformer is to ensure power grid security
One of equipment of crucial importance of operation is particularly important the timely monitoring of its state, for finding that power grid security is hidden in time
Suffer from, ensure electric power netting safe running important in inhibiting.It is right under not power-off condition that current installed main transformer cannot meet
It carries out the test condition that state inspection (prison) is surveyed, and is required to carry out testing inspection under power-off condition.It is long there are detection cycle, examination
It tests data and is unable to the shortcomings such as accurate response actual conditions.Therefore need, using sleeve of main transformer end shield on-line monitoring system, to make
Tester can it is safe and accurate under not power-off condition, quickly finish the inspection to the quantity of state of bushing shell for transformer (prison) survey.
With the continuous development with electric-examination (prison) survey technology, it is more and more discontented that traditional casing surveys medium loss test scheme
The requirement in sufficient epoch, the detection technique that do not have a power failure not only can at any time carry out the operating status of equipment due to its big advantage
Detection improves overhaul efficiency, and time of day when more meeting due to live testing equipment operation, and the result measured is also more
It is credible.And the implementation of the prior art is mainly directly grounded by aluminium sheet.Existing sleeve of main transformer end shield on-line monitoring system
Earthing or grounding means is directly grounded by aluminium sheet, no rain-proof measure, and live testing inconvenience wire clamp test, the test that has a power failure is inconvenient to tear open
It unloads, does not prevent open circuit measure.
The content of the invention
For solving the above-mentioned problems of the prior art, it is an object of the present invention to provide a kind of sleeve of main transformer end shield is online
Monitor system earth device；Earthing or grounding means connecting part is led in installation process of the present invention under Transformer Bushing Tap, passes through wiring
Pressing plate, test connecting rod are grounded, and whole device ground connection is good, the ground connection that Transformer Bushing Tap can be made safe and reliable,
There is rain-proof, antirust, anti-open circuit measure simultaneously, tester can be enable to facilitate, and charged, have a power failure test.
The present invention solve technical problem technical solution be：
A kind of sleeve of main transformer end shield on-line monitoring system earthing or grounding means, including earthing or grounding means box, insulating base, ground junction
Structure, earthing or grounding means box include the box body, the box cover that are connected, and the one side of box body and box cover is hinged by loose-leaf, insulating base and box
Internal side bottom connection, insulating base are connected by conductive supporting frame with box body inside bottom, and the ground structure includes conduction
Connecting plate, three groups of connecting components, three groups of connecting components are arranged in parallel and are connected respectively with conductive connection plates；Conductive connection plates are arranged on
Among insulating base, every group of connecting component includes four pieces of test connecting rod fixed plates, two pieces of ground connection pressing plates, two test connections
Bar, two anti-offresistances, every group of connecting component include two sets of connectors, and a set of connector, which includes two pieces of test connecting rods, to be fixed
Plate, one piece of ground connection pressing plate, test connecting rod, an anti-offresistance, the both ends for testing connecting rod are tested respectively with one piece
One end connection of connecting rod fixed plate, ground connection pressing plate one end be connected with conductive connection plates, the other end and close conductive connection plates position
One end connection for the one piece of test connecting rod fixed plate put, anti-offresistance one end are connected with ground connection pressing plate, and one end and conduction are even
Fishplate bar connects.
Corresponding with the end position one piece of conductive plate connection respectively of the both ends of every test connecting rod, two pieces of conductive plates with absolutely
Edge bottom plate connects, and one end of one of conductive plate is connected with ground connection pressing plate one end, and ground connection pressing plate is connected with middle connecting plate.
It tests connecting rod fixed plate and is equipped with screw thread sub-assembly, screw thread sub-assembly with being for sleeve of main transformer end shield on-line monitoring
Draw ground wire connection under system.
Two sets of connectors are with the center line symmetrical setting of middle connecting plate.
Beneficial effects of the present invention：
1. the present invention will lead to earthing or grounding means connecting part under Transformer Bushing Tap, pass through wiring pressing plate, test connecting rod
It is grounded, whole device ground connection is good, ensures the safe and reliable ground connection of Transformer Bushing Tap, and the present invention can make tester
Member is safe and accurate under not power-off condition, quickly finishes the inspection to the quantity of state of bushing shell for transformer (prison) survey, is connect by end shield
Ground device ensures that end shield ground connection is good, convenient to be convenient for measuring under charged, power-off condition, reduces the cost of overhaul, improves maintenance effect
Rate finds power grid security hidden danger in time, ensures equipment and electric power netting safe running important in inhibiting.Simultaneously because live testing is more
Meet time of day during equipment operation, the result measured is also more credible.Particularly solves main transformer of the prior art not
Can meet it is carried out under not power-off condition state inspection (prison) survey, be required to carry out the scarce of testing inspection under power-off condition
It falls into, also solves existing for this detection mode that detection cycle is long, test data is unable to that accurate response actual conditions etc. are many to be lacked
Point.
2. using rain-proof, antirust, anti-open circuit measure, realize safe and reliable ground connection, tester can facilitate it is charged, stop
Electrical testing ensures the safety of tester, avoids security risk, solves and be directly grounded in the prior art by aluminium sheet, without anti-
Rain measure, the test of live testing inconvenience wire clamp, the test that has a power failure are inconvenient to dismantle, and do not prevent that safety is hidden existing for open circuit measure
The defects of suffering from.
Description of the drawings
Fig. 1 is the structure diagram of invention；
Fig. 2 is the top view of Fig. 1.
Specific embodiment
For a better understanding of the present invention, embodiments of the present invention are explained in detail below in conjunction with the accompanying drawings.
Such as Fig. 1, shown in Fig. 2, a kind of sleeve of main transformer end shield on-line monitoring system earthing or grounding means, including earthing or grounding means box 11,
Insulating base 12, ground structure are sequentially connected and ensure that each several part is completely embedded, good seal.Earthing or grounding means box 11 includes being connected
Box body 111, the box cover 112 connect, box body 111 and the one side of box cover 112 are hinged by loose-leaf 113, in insulating base 12 and box body
Side bottom connects, and insulating base 12 is connected by conductive supporting frame 16 with box body inside bottom, and the ground structure includes conduction
18, three groups of connecting components of connecting plate, three groups of connecting components are arranged in parallel and are connected respectively with conductive connection plates 18；Conductive connection plates
18 are arranged among insulating base 12, and every group of connecting component includes four pieces of test connecting rod 19, two pieces of ground connection pressing plates 13, two of fixed plate
Root tests 14, two anti-offresistances 15 of connecting rod, and every group of connecting component includes two sets of connectors, and a set of connector includes two pieces
Test 19, one pieces of fixed plate of connecting rod ground connection pressing plate 13, one test 14, anti-offresistances 15 of connecting rod, test connection
The one end of the both ends of bar 14 respectively with one piece of test connecting rod fixed plate 19 is connected, ground connection 13 one end of pressing plate and conductive connection plates 18
Connection, the other end are connected with one end of one piece of test connecting rod fixed plate 19 close to 18 position of conductive connection plates, anti-open circuit electricity
It hinders 15 one end to be connected with ground connection pressing plate 13, one end is connected with conductive connection plates 18, and two sets of connectors are in middle connecting plate 18
Heart line is symmetrical arranged.
One piece of conductive plate 19 corresponding with the end position connects respectively at the both ends of every test connecting rod 14, two pieces of conductive plates
It is connected with insulating base 12, one end 191 of one of conductive plate 19 is connected with 13 one end of ground connection pressing plate, and ground connection pressing plate 13 is in
Between connecting plate 18 connect.
It tests connecting rod fixed plate 19 and is equipped with screw thread sub-assembly 17, screw thread sub-assembly 17 is online with supplying sleeve of main transformer end shield
Draw ground wire connection under monitoring system.
The present invention work and be described as follows using process：Ground connection is led in installation process under Transformer Bushing Tap
Device connecting part, by wiring pressing plate, test connecting rod is grounded, and whole device ground connection is good, there is rain-proof, rust preventing,
And there is anti-open circuit measure, ground connection that can be safe and reliable, and facilitate that charged, have a power failure test.
Although above-mentioned be described the specific embodiment of invention with reference to attached drawing, not to the scope of the present invention
Limitation, based on the technical solutions of the present invention, those skilled in the art, which need not make the creative labor, to be made
Various modifications or changes still within protection scope of the present invention.
Claims (4)
1. a kind of sleeve of main transformer end shield on-line monitoring system earthing or grounding means, it is characterized in that, including earthing or grounding means box, insulating base,
Ground structure, earthing or grounding means box include the box body, the box cover that are connected, and the one side of box body and box cover is hinged by loose-leaf, bottom of insulating
Plate is connected with box body inside bottom, and insulating base is connected by conductive supporting frame with box body inside bottom, the ground structure bag
Conductive connection plates, three groups of connecting components are included, three groups of connecting components are arranged in parallel and are connected respectively with conductive connection plates；It is conductively connected
Plate is arranged among insulating base, and every group of connecting component includes four pieces of test connecting rod fixed plates, two pieces of ground connection pressing plates, two tests
Connecting rod, two anti-offresistances, every group of connecting component include two sets of connectors, and a set of connector includes two pieces of test connecting rods
Fixed plate, one piece of ground connection pressing plate, test connecting rod, an anti-offresistance, test the both ends of connecting rod respectively with one piece
One end connection of connecting rod fixed plate is tested, ground connection pressing plate one end is connected with conductive connection plates, the other end is conductively connected with close
One end connection of one piece of test connecting rod fixed plate of Board position, anti-offresistance one end are connected with ground connection pressing plate, and one end is with leading
Electric connection board connects.
2. a kind of sleeve of main transformer end shield on-line monitoring system earthing or grounding means as described in claim 1, it is characterized in that, every test
One piece of conductive plate connection corresponding with the end position, two pieces of conductive plates are connected with insulating base respectively at the both ends of connecting rod, wherein
One end of one piece of conductive plate is connected with ground connection pressing plate one end, and ground connection pressing plate is connected with middle connecting plate.
3. a kind of sleeve of main transformer end shield on-line monitoring system earthing or grounding means as described in claim 1, it is characterized in that, test connection
Bar fixed plate is equipped with screw thread sub-assembly, and screw thread sub-assembly for drawing ground wire under sleeve of main transformer end shield on-line monitoring system with connecting
It connects.
4. a kind of sleeve of main transformer end shield on-line monitoring system earthing or grounding means as described in claim 1, it is characterized in that, two sets of connections
Part is with the center line symmetrical setting of middle connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711230564.4A CN108051667B (en) | 2017-11-29 | 2017-11-29 | Grounding device of main transformer bushing tap on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711230564.4A CN108051667B (en) | 2017-11-29 | 2017-11-29 | Grounding device of main transformer bushing tap on-line monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108051667A true CN108051667A (en) | 2018-05-18 |
| CN108051667B CN108051667B (en) | 2020-05-19 |
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ID=62121583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711230564.4A Active CN108051667B (en) | 2017-11-29 | 2017-11-29 | Grounding device of main transformer bushing tap on-line monitoring system |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203085768U (en) * | 2012-12-09 | 2013-07-24 | 国家电网公司 | Conveniently detachable type end screen grounding device |
| CN203800349U (en) * | 2014-04-29 | 2014-08-27 | 国家电网公司 | Novel transformer bushing tap grounding device |
| CN204205076U (en) * | 2014-09-26 | 2015-03-11 | 国家电网公司 | A kind of main transformer end shield of high-voltage bushing is used for the earthing device of on-line monitoring |
| CN104914371A (en) * | 2015-07-08 | 2015-09-16 | 国家电网公司 | Virtual-connection discharging simulation apparatus of open type end screen binding post of oil-impregnated paper condenser type bushing and using method thereof |
| CN105469934A (en) * | 2015-12-24 | 2016-04-06 | 江苏神马电力股份有限公司 | Tap grounding apparatus and transformer bushing with same |
| US20160141801A1 (en) * | 2014-11-17 | 2016-05-19 | Thomas & Betts International, Llc | Grounding link for electrical connector mechanism |
-
2017
- 2017-11-29 CN CN201711230564.4A patent/CN108051667B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203085768U (en) * | 2012-12-09 | 2013-07-24 | 国家电网公司 | Conveniently detachable type end screen grounding device |
| CN203800349U (en) * | 2014-04-29 | 2014-08-27 | 国家电网公司 | Novel transformer bushing tap grounding device |
| CN204205076U (en) * | 2014-09-26 | 2015-03-11 | 国家电网公司 | A kind of main transformer end shield of high-voltage bushing is used for the earthing device of on-line monitoring |
| US20160141801A1 (en) * | 2014-11-17 | 2016-05-19 | Thomas & Betts International, Llc | Grounding link for electrical connector mechanism |
| CN104914371A (en) * | 2015-07-08 | 2015-09-16 | 国家电网公司 | Virtual-connection discharging simulation apparatus of open type end screen binding post of oil-impregnated paper condenser type bushing and using method thereof |
| CN105469934A (en) * | 2015-12-24 | 2016-04-06 | 江苏神马电力股份有限公司 | Tap grounding apparatus and transformer bushing with same |
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| Publication number | Publication date |
|---|---|
| CN108051667B (en) | 2020-05-19 |
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