CN109509614A - Case is along structure - Google Patents
Case is along structure Download PDFInfo
- Publication number
- CN109509614A CN109509614A CN201910011049.XA CN201910011049A CN109509614A CN 109509614 A CN109509614 A CN 109509614A CN 201910011049 A CN201910011049 A CN 201910011049A CN 109509614 A CN109509614 A CN 109509614A
- Authority
- CN
- China
- Prior art keywords
- case
- along
- gasket
- hole
- bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 claims abstract description 62
- 238000009413 insulation Methods 0.000 claims description 44
- 125000006850 spacer group Chemical group 0.000 claims description 28
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 6
- 238000013021 overheating Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The present invention provides a plants case along structure, for fastening the first cabinet and the second cabinet.Earthing or grounding means is provided on second cabinet.Case along structure include first case along and with first case along second case edge overlapping.Metal connecting piece is respectively with first case edge and second case along being fixedly connected, by first case edge and second case along fastening.Insulating part is held between metal connecting piece and first case edge, so that metal connecting piece and first case edge are insulated, and is electrically connected with second case edge.Case provided by the invention has preferable ease-to-operate along structure.
Description
Technical field
The present invention relates to transformer technology fields more particularly to a plants case along structure.
Background technique
In transformer technology field, the cabinet of transformer include the first cabinet and with the first Box Cover close the second cabinet,
The first case edge and second case edge overlapped is respectively formed at the lid conjunction of first cabinet and the second cabinet.First case along and the
Two casees edge is fastened by multiple metal connecting pieces.
Since transformer can generate induced current in the process of work, thus it is common to use insulation method, to prevent metal
Connector overheat.Moreover, metal connecting piece generates floating potential in insulation in order to prevent, also each metal connecting piece is connect
Ground.However, such mode causes operation difficulty larger.
Summary of the invention
Based on this, it is necessary to for it is traditional it is anti-cross the big problem of hot mode operation difficulty, providing a kind of has operation letter
Single case is along structure.
One plants case is along structure, for the first cabinet of fastening and the second cabinet, is provided with earthing or grounding means on second cabinet,
The case includes: along structure
First case along and with described first case along the second case edge overlapped；
Metal connecting piece is fixedly connected, by first case edge respectively with first case edge and second case edge
With described second case along fastening；
Insulating part is held between the metal connecting piece and first case edge, so that the metal connecting piece and institute
First case is stated along insulation, and is electrically connected with second case edge.
The metal connecting piece includes bolt and nut in one of the embodiments, and described first case along offering the
One through-hole, second case edge position opposite with the first through hole offer the second through-hole, and the bolt is arranged in described
First through hole and second through-hole, and screwed togather with the nut, the insulating part is held on the bolt and first case
Between.
The bolt includes bolt head and bolt column in one of the embodiments, and the insulating part includes insulation spacer
And insulating sleeve, the insulating sleeve is sheathed on the bolt column, and abuts with the hole wall of the first through hole, the felt pad
Piece is held on the bolt head and first case surface along second case edge backwards.
When the insulating sleeve is sheathed on the bolt column in one of the embodiments, the appearance of the insulating sleeve
Face is bonded with the hole wall of the first through hole and second through-hole respectively.
The insulation spacer is annular in shape in one of the embodiments, and the bolt column is arranged in the insulation spacer
Middle part.
The insulation spacer is glass fibre reinforced plastic insulating gasket in one of the embodiments,.
The insulating sleeve is isolating shrinkable tube in one of the embodiments,.
Further include in one of the embodiments, gasket assembly and be shorted piece, the gasket assembly include the first gasket and
Second gasket, first gasket are held between the insulating part and first case edge, and second gasket is held on institute
It states between metal connecting piece and second case edge, the both ends for being shorted piece are padded with first gasket and described second respectively
Piece is fixed and is electrically connected.
The short circuit piece is to have U-shaped jaggy to be shorted piece in one of the embodiments,.
Above-mentioned case is along structure, when insulating part is held on metal connecting piece and first case between, metal connecting piece and the
It insulate between one case edge, causes the circuit of first case edge, metal connecting piece to second case edge to disconnect, the induced current on first case edge
It will be unable to be flowed into second case edge from metal connecting piece, metal connecting piece does not generate heat in the case where not logical induced current.
At this point, due to metal connecting piece with second case along be electrically connected, second case edge can be abutted against by the earthing or grounding means on the second cabinet
Ground, therefore metal connecting piece does not generate floating potential.Therefore, above-mentioned case can prevent metal connecting piece from overheating and not generating along structure
It while floating potential, is additionally grounded also without by each metal connecting piece, thus there is preferable ease-to-operate.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the present pre-ferred embodiments raising middle flask along structure；
Fig. 2 is that case shown in FIG. 1 increases gasket assembly along structure and is shorted the structural schematic diagram of piece.
Specific embodiment
To facilitate the understanding of the present invention, the second face will be referring to relevant drawings to invention is more fully described.Attached drawing
In give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to this
Literary described embodiment.On the contrary, purpose of providing these embodiments is makes understanding to the disclosure more
It is thorough and comprehensive.
It should be noted that be referred to as " being fixed on " another element when element, it can be directly in another element the
One or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, directly connects
It is connected to another element or may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ",
"left", "right" and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Fig. 1, case in present pre-ferred embodiments along structure 100 include first case along 111, second case along 112,
Metal connecting piece 121 and insulating part 120.Case is along structure 100 for fastening the first cabinet and the second cabinet.It is arranged on second cabinet
There is earthing or grounding means.First case along 111 it is solderable be connected on the first cabinet, solderable be connected on the second cabinet along 112 for second case.
It is overlapped along 111 and second case along 112 for first case.
Metal connecting piece 121 is fixedly connected along 111 and second case along 112 with first case respectively, by first case along 111 with
Second case along 112 fastenings.Moreover, in order to enhance first case along 111 and second case along 112 fastness, along first case along 111 and
Second case along 112 circumferential direction have multiple spaced metal connecting pieces 121.
Insulating part 120 is held on metal connecting piece 121 and first case between 111, so that metal connecting piece 121 and first
Case is electrically connected with second case along 112 along 111 insulation.
Insulating part 120 is held on metal connecting piece 121 and first case along 111 and second case along 112 by traditional insulation method
Between.Therefore metal connecting piece 121 and first case it is completely insulated between 112 along 111 and second case, to prevent induced current logical
It crosses.However metal connecting piece 121 will generate floating potential in induced magnetic field, in any case, it is possible to cause safe thing
Therefore.For this purpose, each metal connecting piece 121 need to be grounded.However, such mode operation difficulty is big and complicated for operation.
When insulating part 120 is held on metal connecting piece 121 and first case between 111, metal connecting piece 121 and first
Case insulate between 111.Therefore first case disconnects along 111, metal connecting piece 121 to the second casees along 112 circuit, first case edge
111 induced current will be unable to be flowed into second case along 112 from metal connecting piece 121.Metal connecting piece 121 is not leading to induced electricity
Heat is not generated in the case where stream.At this point, second case can along 112 since metal connecting piece 121 is electrically connected with second case along 112
By the earthing or grounding means reliable ground on the second cabinet, therefore metal connecting piece 121 does not generate floating potential.Therefore, above-mentioned case edge
Structure 100 can prevent metal connecting piece 121 from overheating and while do not generate floating potential, also without by each metal connecting piece
121 additional ground connection, thus there is preferable ease-to-operate.
Specifically, metal connecting piece 121 can be holding part, and the connector of fastener or other forms need to only ensure
First case can be with second case along 112 fixations along 111.Specifically in the present embodiment, metal connecting piece 121 includes bolt 1211
And nut 1212, first through hole 1113 is offered along 111 first case, second case along 112 positions opposite with first through hole 1113
Offer the second through-hole 1123.Bolt 1211 is arranged in first through hole 1113 and the second through-hole 1123, and screws togather with nut 1212.
Insulating part 120 is held on bolt 1211 and first case between 111.
By setting bolt 1211 and nut 1212, first case can be removably installed along 111 and second case along 112.
Moreover, such mode is simple and easy, convenient for operation.
Specifically, bolt 1211 can be interference fitted with first through hole 1113 and the second through-hole 1123, to realize bolt 1211
Fixation.And insulating part 120 is held on bolt 1211 and first case between 111 so that bolt 1211 and first case along 111 absolutely
Edge, but can be electrically connected with second case along 112, therefore floating potential is not generated on bolt 1211, to have preferable safety.
Specifically in the present embodiment, bolt 1211 includes bolt head 12113 and bolt column 12114.Insulating part 120 includes exhausted
Edge gasket 122 and insulating sleeve 123.Insulating sleeve 123 is sheathed on bolt column 12114, and supports with the hole wall of first through hole 1113
Connect, insulation spacer 122 be held on bolt head 12113 and first case along 1112 backwards to second case along 112 surface.
When insulating sleeve 123 is sheathed on bolt column 12114, and abuts with the hole wall of first through hole 1113, bolt column
12114 and first case along 111 insulation.At this point, insulation spacer 122 is held on bolt head 12113 and first case along 111 backwards to second
Case is along 112 surface, so that bolt head 12113 is also with first case along 111 insulation.Therefore, faradic circuit disconnects, in turn
So that induced current can not can keep the normal operating conditions of metal connecting piece 121 by metal connecting piece 121.
And at this point, nut 1212 and second case are conducting between 112, and second case can pass through the second cabinet along 112
On earthing or grounding means reliable ground therefore do not generate floating potential on bolt 1211, thus it is not necessary that still further bolt 1211 is connect
Ground.So that case has preferable safety along structure 100.
Therefore, case provided by the invention can also connect in metal along structure 100 while preventing metal connecting piece 121 from overheating
Floating potential is not generated on fitting 121, to have preferable safety.
Specifically, to reach optimal insulation effect, in the present embodiment, insulating sleeve 123 is sheathed on bolt column 12114
When upper, the outer surface of insulating sleeve 123 is bonded with the hole wall of first through hole 1113 and the second through-hole 1123 respectively.
Since the gap between bolt column 12114 and first through hole 1113 and the second through-hole 1123 is very small, if bolt column
12114 slightly have deviation run-off the straight during installation, then all will lead to local outer surface and the first through hole of bolt column 12114
1113 hole wall is bonded and influences insulation effect.And in the present embodiment, insulating sleeve 123 is coated on bolt column 12114 and is worn
Set on first through hole 1113 and the part of the second through-hole 1123, so that bolt column 12114 is isolated with first case along 111 always, from
And there is preferable insulation effect.
In addition, it should be noted that, when insulating sleeve 123 is arranged in first through hole 1113 and the second through-hole 1123, it cannot
The second through-hole 1123 is stretched out in, to prevent bolt column 12114 completely isolated along 1122 generations along 1112 and second case with first case
And cause to generate floating potential on bolt 1211.In other words, i.e., the maximum length of insulating sleeve 123 is first through hole 1113
The sum of the axial depth of axial depth and the second through-hole 1123.
Specifically, insulating sleeve 123 can be rubber plastic pipe, glass tube or other polymer insulation sleeves 123, tool
In the present embodiment, insulating sleeve 123 is isolating shrinkable tube to body.
For fixing bolt column 12114, bolt column 12114 is arranged in first through hole 1113 and the second through-hole 1123
When, the gap between bolt column 12114 and first through hole 1113 and the hole wall of the second through-hole 1123 is all very small.Therefore, cause
The installation difficulty of insulating sleeve 123 is larger.And isolating shrinkable tube is set by insulating sleeve 123, and it is thick that relatively thin barrel is arranged
Degree.When isolating shrinkable tube is installed, first isolating shrinkable tube is sheathed on bolt column 12114, then with heating device to isolating shrinkable
Pipe is heated, and isolating shrinkable tube is shunk, and fixed with bolt column 12114.
Therefore, it by the way that isolating shrinkable tube is arranged, can be stably fixed on bolt column 12114 convenient for insulating sleeve 123, and
And the bolt column for putting on insulating sleeve 123 12114 can be matched with the aperture of first through hole 1113 and the second through-hole 1123.Tool
In the present embodiment, when being arranged insulating sleeve 123, insulating sleeve 123 should be spaced apart body with the thread segment of bolt column 12114,
To prevent insulating sleeve 123 from influencing the cooperation of bolt column 12114 and nut 1212.
Specifically, insulation spacer 122 can be cyclic annular, rectangular, polygon or other irregular shapes, need to only ensure
Bolt head 12113 can be isolated with first case along 111 for insulation spacer 122.Specifically in the present embodiment, insulation spacer 122
Annularly, bolt column 12114 is arranged in the middle part of insulation spacer 122.
Bolt column 12114 is arranged in the through hole at 122 middle part of insulation spacer, and is interference fitted with through hole, exhausted to realize
The fixation of edge gasket 122.Therefore, by the way that cricoid insulation spacer 122 is arranged, spiral shell is mounted and fixed to convenient for insulation spacer 122
Hitching post 12114.
Further, in the present embodiment, the outer diameter of insulation spacer 122 is greater than the diameter of bolt head 12113.Work as felt pad
When piece 122 is held on bolt head 12113 and first case between 111, bolt head 12113 first case along 111 backwards to the second case
Projection on 112 surface is fully located in the drop shadow spread of insulation spacer 122, therefore can be completely by first case along 111 and spiral shell
The isolation of bolt head 12113 disconnects, with prevent bolt head 12113 with first case along 111 parts contact and by induced current from the first case
It is transferred on bolt column 12114 along 111, bolt head 12113.
Specifically, insulation spacer 122 can be rubber sheet gasket, glass gasket or other polymer insulation gaskets 122, tool
In the present embodiment, insulation spacer 122 is glass fibre reinforced plastic insulating gasket to body.
Bolt 1211 loosens in order to prevent, therefore, during installation, bolt head 12113 and nut 1212 and bolt column 12114
It screws togather relatively tight.And when insulation spacer 122 is held on bolt head 12113 and first case between 1112, bolt head 12113 or
Person's nut 1212 will generate biggish extruding force to insulation spacer 122.And glass fibre reinforced plastic insulating gasket 122 has preferable rigidity
And insulation effect, therefore also there is preferable rigidity while realizing insulation effect, insulation spacer 122 can be effectively prevent in bolt
It is deformed under first 12113 extruding, to have preferable insulation effect.
Referring to Figure 2 together, case further includes gasket assembly 124 and short circuit piece 125 along structure 100.Gasket assembly 124 includes
First gasket 1241 and the second gasket 1242.First gasket 1241 is held on insulating part 120 and first case between 111, and second
Gasket 1242 is held on metal connecting piece 121 and second case between 112, be shorted the both ends of piece 125 respectively with the first gasket
1241 and second gasket 1242 it is fixed and be electrically connected.
To guarantee first case along 111 and the first cabinet reliable ground for welding therewith, in multiple metal connecting pieces 121,
It chooses metal connecting piece 121 at one and gasket assembly 124 is set along 112 junction along 111 and second case and is shorted for first case
Piece 125.
First gasket 1241 is held on insulation spacer 122 and first case between 111, and the second gasket 1242 is held on nut
1212 and second case between 112.First gasket 1241, the second gasket 1242 and short circuit piece 125 are made by conductive material, therefore
First case along 111 and therewith the first cabinet for welding can by the first gasket 1241, be shorted piece 125, the second gasket 1242 and the
Along 112 connections, and pass through the earthing or grounding means reliable ground on the second cabinet two casees.And at this point, bolt head 12113 and short circuit piece
Insulate between 125, nut 1212 be shorted piece 125 be electrically connected so that first case along 111, bolt 1211, second case along 112 times
Road disconnects, and metal connecting piece 121 does not generate heat, and does not generate floating potential, does not need additionally to be grounded.
Further, in the present embodiment, being shorted piece 125 is to have U-shaped jaggy to be shorted piece.
It includes two bracket lips disposed in parallel that U-shaped, which is shorted piece,.One of bracket lip be held on the first gasket 1241 with
Between insulation spacer 122, another bracket lip is held between the second gasket 1242 and nut 1212, is shorted consequently facilitating realizing
The fixation of piece 125.
In the present embodiment, the first gasket 1241 and the second gasket 1242 are annular in shape, and bolt column 12114 is arranged in first
The middle part of gasket 1241 and the second gasket 1242.
Bolt column 12114 is arranged in the perforating of the first gasket 1241 and the middle part of the second gasket 1242, and with perforating mistake
It is full of cooperation, to realize the fixation of the first gasket 1241 and the second gasket 1242.Therefore, by the way that cricoid first gasket 1241 is arranged
And second gasket 1242, bolt column 12114 is mounted and fixed to convenient for the first gasket 1241 and the second gasket 1242.
In addition, the short circuit piece 125 that U-shaped is shorted piece has notch, the first gasket 1241, first case along 111, second case edge
1122 and second gasket 1242 be successively held in notch so that the first gasket 1241, first case along 111, second case along 112 and
The fixation of second gasket 1242 is stronger, and is easy to implement and is shorted piece 125 and the first gasket 1241 and the second gasket 1242
It electrically conducts.
In addition, it should be noted that, in the present embodiment, the outer diameter of the first gasket 1241 need to be greater than insulation spacer 122
Outer diameter.The outer diameter of second gasket 1242 need to be greater than the diameter of nut 1212.Therefore, it is convenient for during clamping, reduces first
Pressure on gasket 1241 and the second gasket 1242, consequently facilitating extending the service life of overheating preventing structure 120.
Above-mentioned case is along structure 100, when insulating part 120 is held on metal connecting piece 121 and first case between 111, gold
Belong to and connector 121 and insulating between 111 for first case, cause first case along 111, metal connecting piece 121 to the second casees along 112
Circuit disconnects, and will be unable to be flowed into second case along 112 from metal connecting piece 121 along 111 induced current for first case.Metal connection
Part 121 does not generate heat in the case where not logical induced current.At this point, since metal connecting piece 121 is electrically connected with second case along 112
It connects, second case can be by the earthing or grounding means reliable ground on the second cabinet along 112, therefore metal connecting piece 121 does not generate suspension electricity
Position.Therefore, above-mentioned case can prevent metal connecting piece 121 from overheating and while do not generate floating potential along structure 100, also without
Each metal connecting piece 121 is additionally grounded, thus there is preferable ease-to-operate.
It can be combined arbitrarily with each technical characteristic of the first embodiment, for simplicity of description, not to first
It states all possible combination of each technical characteristic in embodiment to be all described, as long as however, the combination of these technical characteristics
There is no contradictions, all should be considered as described in this specification.
With the first embodiment, only several embodiments of the present invention are expressed, and the description thereof is more specific and detailed, but
It cannot be understood as the limitations to patent of invention range.It should be pointed out that for those of ordinary skill in the art
For, in the premise second for not departing from present inventive concept, various modifications and improvements can be made, these belong to of the invention
Protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a plants case is along structure, for the first cabinet of fastening and the second cabinet, it is provided with earthing or grounding means on second cabinet,
It is characterized in that, the case includes: along structure
First case along and with described first case along the second case edge overlapped；
Metal connecting piece is fixedly connected with first case edge and second case edge respectively, by first case edge and institute
Second case is stated along fastening；
Insulating part, be held on the metal connecting piece and it is described first case between so that the metal connecting piece and described the
One case edge insulation, and be electrically connected with second case edge.
2. case according to claim 1 is along structure, which is characterized in that the metal connecting piece includes bolt and nut, institute
First case is stated along first through hole is offered, second case edge position opposite with the first through hole offers the second through-hole,
The bolt is arranged in the first through hole and second through-hole, and screws togather with the nut, and the insulating part is held on institute
It states between bolt and first case edge.
3. case according to claim 2 is along structure, which is characterized in that the bolt includes bolt head and bolt column, described
Insulating part includes insulation spacer and insulating sleeve, and the insulating sleeve is sheathed on the bolt column, and with the first through hole
Hole wall abuts, and the insulation spacer is held on the bolt head and first case surface along second case edge backwards.
4. case according to claim 3 is along structure, which is characterized in that when the insulating sleeve is sheathed on the bolt column,
The outer surface of the insulating sleeve is bonded with the hole wall of the first through hole and second through-hole respectively.
5. case according to claim 3 is along structure, which is characterized in that the insulation spacer is annular in shape, and the bolt column is worn
Set on the middle part of the insulation spacer.
6. case according to claim 3 is along structure, which is characterized in that the insulation spacer is glass fibre reinforced plastic insulating gasket.
7. case according to claim 3 is along structure, which is characterized in that the insulating sleeve is isolating shrinkable tube.
8. case according to claim 1 is along structure, which is characterized in that further include gasket assembly and short circuit piece, the gasket
Component includes the first gasket and the second gasket, and first gasket is held between the insulating part and first case edge, institute
State the second gasket be held on the metal connecting piece and it is described second case between, the both ends for being shorted piece are respectively with described the
One gasket and second gasket are fixed and are electrically connected.
9. case according to claim 8 is along structure, which is characterized in that the short circuit piece is to have U-shaped jaggy to be shorted piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910011049.XA CN109509614A (en) | 2019-01-07 | 2019-01-07 | Case is along structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910011049.XA CN109509614A (en) | 2019-01-07 | 2019-01-07 | Case is along structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109509614A true CN109509614A (en) | 2019-03-22 |
Family
ID=65756248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910011049.XA Pending CN109509614A (en) | 2019-01-07 | 2019-01-07 | Case is along structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109509614A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0732935U (en) * | 1993-11-27 | 1995-06-16 | 株式会社指月電機製作所 | Attachment structure for electrical equipment |
| JP2005268121A (en) * | 2004-03-19 | 2005-09-29 | Osaka Gas Co Ltd | Insulation washer and insulating coupling structure |
| CN201229825Y (en) * | 2008-07-04 | 2009-04-29 | 中国西电电气股份有限公司 | Cage edge connection construction for transformer |
| CN101552109A (en) * | 2008-12-11 | 2009-10-07 | 中国西电电气股份有限公司 | Insulation method for preventing metal screw or bolt from generating magnetic flux leakage linkage circulation |
| CN202816616U (en) * | 2012-09-21 | 2013-03-20 | 沈阳全密封变压器股份有限公司 | Transformer metal part ground connection structure |
| CN103268805A (en) * | 2013-05-08 | 2013-08-28 | 嘉兴电力局 | Abnormal screw radiation fault eliminating device of electric transformer box |
| CN205984514U (en) * | 2015-12-29 | 2017-02-22 | 保定保菱变压器有限公司 | Flange of large capacity transformer welds dress structure |
| JP3215057U (en) * | 2017-12-12 | 2018-02-22 | 株式会社 大井製作所 | Piping connection structure |
| CN209297859U (en) * | 2019-01-07 | 2019-08-23 | 特变电工湖南工程有限公司 | Case is along structure |
-
2019
- 2019-01-07 CN CN201910011049.XA patent/CN109509614A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0732935U (en) * | 1993-11-27 | 1995-06-16 | 株式会社指月電機製作所 | Attachment structure for electrical equipment |
| JP2005268121A (en) * | 2004-03-19 | 2005-09-29 | Osaka Gas Co Ltd | Insulation washer and insulating coupling structure |
| CN201229825Y (en) * | 2008-07-04 | 2009-04-29 | 中国西电电气股份有限公司 | Cage edge connection construction for transformer |
| CN101552109A (en) * | 2008-12-11 | 2009-10-07 | 中国西电电气股份有限公司 | Insulation method for preventing metal screw or bolt from generating magnetic flux leakage linkage circulation |
| CN202816616U (en) * | 2012-09-21 | 2013-03-20 | 沈阳全密封变压器股份有限公司 | Transformer metal part ground connection structure |
| CN103268805A (en) * | 2013-05-08 | 2013-08-28 | 嘉兴电力局 | Abnormal screw radiation fault eliminating device of electric transformer box |
| CN205984514U (en) * | 2015-12-29 | 2017-02-22 | 保定保菱变压器有限公司 | Flange of large capacity transformer welds dress structure |
| JP3215057U (en) * | 2017-12-12 | 2018-02-22 | 株式会社 大井製作所 | Piping connection structure |
| CN209297859U (en) * | 2019-01-07 | 2019-08-23 | 特变电工湖南工程有限公司 | Case is along structure |
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