CN205510661U - Foamed aluminium electromagnetic shield splice plate - Google Patents
Foamed aluminium electromagnetic shield splice plate Download PDFInfo
- Publication number
- CN205510661U CN205510661U CN201521027799.XU CN201521027799U CN205510661U CN 205510661 U CN205510661 U CN 205510661U CN 201521027799 U CN201521027799 U CN 201521027799U CN 205510661 U CN205510661 U CN 205510661U
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- Prior art keywords
- foamed aluminium
- piece
- plate
- shielding
- pressing plate
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Abstract
The utility model discloses a foamed aluminium electromagnetic shield splice plate uses the concatenation formula electromagnetic shield board of foamed aluminum plate material as the substrate. Including foamed aluminum plate material, fossil fragments, piece clamp plate and fastening screw, two the foamed aluminum plate concatenation is two installation shielding intermediate layer abnormal shape piece between foamed aluminum plate's the piece set up on the shielding intermediate layer abnormal shape piece the piece clamp plate is used fastening screw will piece clamp plate, shielding intermediate layer abnormal shape piece, foamed aluminum plate material and fossil fragments are fixed. Double -U -shaped structure or single U type structure of a shielding intermediate layer abnormal shape adoption I -shaped structure, two perpendicular connections. Have simple process, the with low costs and electromagnetic shield of concatenation characteristics such as effectual, 4%, simple to operate, installation cost that the unit volume quality only is the cold -rolled steel sheet shield plate obviously reduce. Can reach national electromagnetic shielding box body B level and above standard, electromagnetic shielding performance obviously improves.
Description
Technical field
This utility model relates to electromangnetic spectrum field, particularly to a kind of porous metal foam aluminum electromagnetic screen
Cover splice plate.
Background technology
Along with the fast development of new and high technology particularly information technology, broadcast communication, information network, medical treatment are examined
The disconnected electromagnetic radiation waiting field is increasingly paid close attention to by people, and electromagnetic pollution is day by day seriously, serious
Daily life can be affected.Additionally, network security problem is increasingly taken seriously, particularly concerning security matters
Department is for preventing information leakage or system disturbed, and the requirement to electromagnetic shielding is more and more higher.
In prior art, the material for electromagnetic armouring structure is mainly cold-rolled steel sheet, the electromagnetic shielding of steel plate
Effect is the most very good, needs soldering, due to steel plate density between extensive shield engineering light plate
(7.8g/cm greatly3), heavier-weight, installation difficulty, labor intensity are big, manufacturing cost is higher, electromagnetic shielding
Engineering field always searches for other sheet material substituting cold-rolled steel sheet.Foamed aluminium be the later stage in the 1980's in the world
A kind of new engineering material with excellent physical characteristic and good mechanical properties that fast development is got up, except tool
There is proportion little by (0.1～1g/cm3), rigidity is big, specific surface area is big, damping and fire prevention protecting against shock performance good etc.
Feature, foamed aluminium also has the capability of electromagnetic shielding of excellence.Use foamed aluminium as electromagnetic shielding material first
Need to solve foam aluminium plate Bonding Problem, when using welding to splice foam aluminium plate, due to bubble
The loose structure of foam aluminum significantly reduces its welding performance, and to the selection of welding method, welding procedure etc.
There is higher requirement.The factors such as welding piece method complex process, cost height and weld strength are low constrain bubble
The application in extensive shield engineering of the foam aluminum.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of carry out splicing with foamed aluminium for base material, performance
Good, preparation technology simple and the electromagnetic shielding plate of low cost.
The technical solution adopted in the utility model is: a kind of foamed aluminium electromagnetic shielding splice plate, including foamed aluminium
Sheet material, Os Draconis, piece pressing plate and trip bolt, two pieces of described foamed aluminium board splicings, at two pieces of described foams
Shielding interlayer profiled piece is installed between the piece of aluminium sheet, described spelling is set on described shielding interlayer profiled piece
Seam pressing plate, with described trip bolt by described piece pressing plate, shielding interlayer profiled piece, foam aluminium plate and dragon
Bone is fixed.
The first embodiment of the present utility model is, two pieces of described foamed aluminium board level splicings, at described screen
The side covering interlayer profiled piece arranges plate piece pressing plate, and the opposite side at described shielding interlayer profiled piece sets
Putting Os Draconis, described shielding interlayer profiled piece is I-shaped structure, and described I shape profiled piece is positioned at described in two pieces
The splicing seams of foamed aluminium board, described piece pressing plate and described foamed aluminium board, described Os Draconis and described foamed aluminium board
Between.
The second embodiment of the present utility model is, two pieces of described foamed aluminium boards vertically splice, spliced
Described foamed aluminium board forms right angle, and the inner corner trim side forming right angle at described foamed aluminium board arranges perpendicular type piece
Pressing plate, the external corner side forming right angle at described foamed aluminium board arranges Os Draconis and plate piece pressing plate, described
Shielding interlayer profiled piece is two double-U-shaped structures connected vertically, and said two is connected vertically double-U-shaped different
Type part is positioned at the splicing seams of two pieces of described foamed aluminium boards, described piece pressing plate and described foamed aluminium board, described dragon
Between bone and described foamed aluminium board.
The third embodiment of the present utility model is, two pieces of described foamed aluminium boards vertically splice, spliced
Described foamed aluminium board forms right angle, and the external corner side forming right angle at described foamed aluminium board arranges perpendicular type piece
Pressing plate, the inner corner trim side forming right angle at described foamed aluminium board arranges Os Draconis, and described shielding interlayer profiled piece is
Two double-U-shaped structures connected vertically, said two double-U-shaped profiled piece connected vertically is positioned at described in two pieces
The splicing seams of foamed aluminium board, described piece pressing plate and described foamed aluminium board, described Os Draconis and described foamed aluminium board
Between.
Further, described shielding interlayer profiled piece by beryllium copper net materials compressing or described shielding interlayer
Profiled piece is by beryllium copper net, conducting foam or conductive rubber slab material-paving molding.
This utility model uses and provides the benefit that: uses foamed aluminium board as shielding material, uses shielding interlayer
Piece is processed by profiled piece, with plain screw, foamed aluminium can be fixed docking, technique is simple,
Splicing low cost.The splicing gap of foam aluminium plate plate is carried out process process, both with shielding interlayer profiled piece
Do not affect the effectiveness of edge joint position, can effectively solve again foam aluminium plate as electromagnetic shielding screen
Covering the application of material, mass per volume is only the 4% of cold-rolled steel sheet barricade, easy for installation, installation cost is bright
Aobvious reduction.Use foam board as electromagnetic shielding material, it is possible to reach country electromagnetic casing screen B level and
Above standard, capability of electromagnetic shielding significantly improves.
Accompanying drawing explanation
Fig. 1 is this utility model the first embodiment generalized section of foamed aluminium electromagnetic shielding splice plate；
Fig. 2 is this utility model foamed aluminium electromagnetic shielding splice plate the second embodiment generalized section；
Fig. 3 is this utility model the third embodiment generalized section of foamed aluminium electromagnetic shielding splice plate；
Fig. 4 is this utility model foamed aluminium electromagnetic shielding splice plate and skeleton or body of wall scheme of installation；
Fig. 5 is that this utility model foamed aluminium electromagnetic shielding splice plate I-shaped structure shields interlayer profiled piece section
Figure；
Fig. 6 is this utility model foamed aluminium electromagnetic shielding splice plate double-U-shaped structual shield interlayer profiled piece section
Figure；
Fig. 7 is that this utility model foamed aluminium electromagnetic shielding splice plate list U-shape structure shields interlayer profiled piece section
Figure.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
As shown in Figure 1, Figure 2, Figure 3 shows, foamed aluminium electromagnetic shielding splice plate includes foam aluminium plate 1, Os Draconis
2, shielding interlayer profiled piece 3, piece pressing plate 4 and trip bolt 5.By two pieces of described foamed aluminium board splicings,
Installing shielding interlayer profiled piece 3 between the piece of two pieces of described foamed aluminium boards 1, shielding interlayer profiled piece 3 is
I-shaped structure or U-shape structure.Described piece pressing plate 4 is set on described shielding interlayer profiled piece 3, spells
Seam pressing plate 4 is plate or perpendicular type.With described trip bolt 5 by different to described piece pressing plate 4, shielding interlayer
Type part 3, foam aluminium plate 1 and Os Draconis 2 are fixed.
Fig. 1 show the first embodiment of the present utility model, and the technical scheme of the first embodiment is
By two pieces of described foamed aluminium board 1 level splicings, shielding interlayer profiled piece 3, described shield clip are installed between piece
Layer special-shaped 3 is I-shaped structure, arranges plate piece pressing plate 4 in the side of described shielding interlayer profiled piece.
Opposite side at described shielding interlayer profiled piece 3 arranges Os Draconis 2.The interlayer 6 of described shielding interlayer profiled piece 3
Between the splicing seams of two pieces of described foamed aluminium boards 1, will shielding interlayer profiled piece 3 with interlayer 6 for demarcation line
Being divided into two U-shape structure 11, the outer layer 12 of each U-shape structure 11 wraps up every piece of foamed aluminium board edge.Institute
State between piece pressing plate 4, I shape profiled piece 3, described foamed aluminium board 1 and described Os Draconis 2 solid with screw 5
Fixed.
Fig. 2 show the second embodiment of the present utility model, and the technical scheme of the second embodiment is
Vertically being spliced by two pieces of described foamed aluminium boards 1, spliced described foamed aluminium board forms right angle.At described bubble
Foam aluminium sheet forms the inner corner trim side at right angle and arranges perpendicular type piece pressing plate 9, forms right angle at described foamed aluminium board
Outside the Os Draconis 2 of external corner side and shielding interlayer profiled piece 3, plate piece pressing plate 4 is set.Described shield clip
Layer profiled piece 3 is two double-U-shaped structures connected vertically, with the interlayer 6 that shields interlayer profiled piece for demarcating
Double-U-shaped STRUCTURE DECOMPOSITION is become two U-shape structure 11 by line, and the outer layer 12 of each U-shape structure 11 wraps up every piece
Foamed aluminium board edge.Described plate piece pressing plate 4, perpendicular type piece pressing plate 9, shielding interlayer profiled piece 3,
Fix with screw 5 between described foamed aluminium board 1 and described Os Draconis 2.
Fig. 3 show the third embodiment of the present utility model, and the technical scheme of the third embodiment is
Vertically being spliced by two pieces of described foamed aluminium boards 1, spliced described foamed aluminium board forms right angle, at described bubble
Foam aluminium sheet forms the external corner side at right angle and arranges perpendicular type piece pressing plate 9.Right angle is formed at described foamed aluminium board
Inner corner trim side arranges Os Draconis.Described shielding interlayer profiled piece 3 is two double-U-shaped structures connected vertically, with
Double-U-shaped STRUCTURE DECOMPOSITION is become two U-shape structure 11 for demarcation line by the interlayer 6 of shielding interlayer profiled piece, each
The outer layer 12 of U-shape structure 11 wraps up every piece of foamed aluminium board edge.Described perpendicular type piece pressing plate 9, shield clip
Layer profiled piece 3, fix with screw 5 between described foamed aluminium board 1 and described Os Draconis 2.
As shown in Figure 4, do not have jointed position and shielding when the foamed aluminium board of this utility model electromagnetic shielding plate
When case Os Draconis or shield engineering body of wall are installed, between foamed aluminium board and Os Draconis or body of wall, lay shielding interlayer
10, shielding interlayer 10 is 3～5 layers of beryllium copper net, conducting foam or conductive rubber panel material.
As shown in Fig. 5, Fig. 6, Fig. 7, shielding interlayer profiled piece 3 is respectively I-shaped structure, double-U-shaped knot
Structure or single U-shape structure.Described shielding interlayer profiled piece uses 3～5 layers of beryllium copper net materials to be existed by particular manufacturing craft
Extrusion forming on forcing press.Single U-shape structure shielding interlayer profiled piece can substitute for I-shaped structure or double U
Type structual shield interlayer profiled piece uses, when using single U-shape structure shielding interlayer profiled piece, it is necessary to
Beryllium copper net, conducting foam or conductive rubber panel material is laid between shielding interlayer profiled piece and piece pressing plate.Screen
Cover interlayer profiled piece can also by beryllium copper net, conducting foam or conductive rubber panel material on foam aluminium plate it
Between lay molding, preferred shield clip layer material is beryllium copper net.Either use the shielding interlayer of various molding
Also it is by between profiled piece laying, the splicing of this utility model electromagnetic shielding foam aluminium plate and installation step
Below Zhou:
Step A: prepared by sheet material.The density prepared by foam melt method is 0.2～1.0g/cm3, thickness be 6～
The uniform foamed aluminium board of 100mm porosity, removes flash removed with steel brush, hairbrush etc., and with pressure not less than 0.5Pa
Compressed air purging foam aluminium plate surface；
Step B: piece processes.Piece process can be carried out to use one of following three kinds of modes.
Mode 1: I-shaped structure or the double-U-shaped structual shield interlayer profiled piece of molding are sleeved on foamed aluminium board
Edge joint position；
Mode 2: single U-shape structure shielding interlayer profiled piece is sleeved on every piece of foamed aluminium board edge joint position, then at screen
Cover and between interlayer profiled piece and piece pressing plate, lay beryllium copper net, conducting foam or conductive rubber panel material；
Mode 3: directly lay at seam gap.To with beryllium copper net, conducting foam or conductive rubber panel material
The foamed aluminium board seam areas laying 3 layers preparing docking is wrapped up, by two pieces of parcel beryllium copper nets, conduction bubble
Cotton or conductive rubber panel material foamed aluminium board docks, and re-lays two-layer beryllium copper net on the two sides of joint, leads
Electricity foam or conductive rubber panel material.Preferably shield clip layer material is beryllium copper net；
Step C: install.Foamed aluminium board after being processed by piece is arranged on shielding bin Os Draconis or shield engineering wall
On wall, buckle plate piece pressing plate or perpendicular type piece pressing plate respectively at parallel piece, right angle piece,
It is fixed and clamped with the pulling rivet of ST4.8 cross recessed countersunk head tapping screw or a length of 15mm of φ 4.8 again.Fixing
The position of tapping screw or rivet to select the position of foamed aluminium hole wall；
Step D: detection.At abutment joint, capability of electromagnetic shielding detects, if reach target shield effectiveness.
Described step A is an important foundation prepared by electromagnetic shielding foam aluminium plate, foamed aluminium board
Capability of electromagnetic shielding is determined by parameters such as density, porosity, thickness and surface process.Described step B
Piece process is the key of spliced electromagnetic shielding plate overall performance, be to parallel slit and negative and positive angle seam gap
Strictly processing, operating process should be tightly without careless omission, to avoid shield leakage field to affect shielding properties.
The installation screw to be ensured of step C is arranged on foamed aluminium board hole wall, and screw cap plane is wanted and foam simultaneously
Surface of aluminum plate is concordant.Whether the electromagnetic shielding index of step D foamed aluminium board to be detected plate seam reaches standard,
Finishing of doing over again is decided whether with this.
Claims (7)
1. a foamed aluminium electromagnetic shielding splice plate, including foam aluminium plate, Os Draconis, piece pressing plate and fastening
Screw, it is characterised in that two pieces of described foamed aluminium board splicings, between the piece of two pieces of described foamed aluminium boards
Shielding interlayer profiled piece is installed, on described shielding interlayer profiled piece, described piece pressing plate is set, with described
Described piece pressing plate, shielding interlayer profiled piece, foam aluminium plate and Os Draconis are fixed by trip bolt.
Splice plate the most according to claim 1, it is characterised in that two pieces of described foamed aluminium board levels are spelled
Connect, plate piece pressing plate is set in the side of described shielding interlayer profiled piece, special-shaped at described shielding interlayer
The opposite side of part arranges Os Draconis, and described shielding interlayer profiled piece is I-shaped structure, described I shape profiled piece
Be positioned at the splicing seams of two pieces of described foamed aluminium boards, described piece pressing plate and described foamed aluminium board, described Os Draconis with
Between described foamed aluminium board.
Splice plate the most according to claim 1, it is characterised in that two pieces of described foamed aluminium boards are vertically spelled
Connecing, spliced described foamed aluminium board forms right angle, and the inner corner trim side forming right angle at described foamed aluminium board sets
Putting perpendicular type piece pressing plate, the external corner side forming right angle at described foamed aluminium board arranges Os Draconis and plate spelling
Seam pressing plate, described shielding interlayer profiled piece is two double-U-shaped structures connected vertically, and said two vertically connects
The double-U-shaped profiled piece connect is positioned at the splicing seams of two pieces of described foamed aluminium boards, described piece pressing plate and described foam
Between aluminium sheet, described Os Draconis and described foamed aluminium board.
Splice plate the most according to claim 1, it is characterised in that two pieces of described foamed aluminium boards are vertically spelled
Connecing, spliced described foamed aluminium board forms right angle, and the external corner side forming right angle at described foamed aluminium board sets
Putting perpendicular type piece pressing plate, the inner corner trim side forming right angle at described foamed aluminium board arranges Os Draconis, described shielding
Interlayer profiled piece is two double-U-shaped structures connected vertically, said two double-U-shaped profiled piece connected vertically
Be positioned at the splicing seams of two pieces of described foamed aluminium boards, described piece pressing plate and described foamed aluminium board, described Os Draconis with
Between described foamed aluminium board.
Splice plate the most according to claim 1, it is characterised in that described shielding interlayer profiled piece is by beryllium
Copper mesh material is compressing.
Splice plate the most according to claim 1, it is characterised in that described shielding interlayer profiled piece is by beryllium
Copper mesh, conducting foam or conductive rubber slab material-paving molding.
Splice plate the most according to claim 6, it is characterised in that described shielding interlayer profiled piece is by beryllium
Copper mesh material-paving molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521027799.XU CN205510661U (en) | 2015-12-10 | 2015-12-10 | Foamed aluminium electromagnetic shield splice plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521027799.XU CN205510661U (en) | 2015-12-10 | 2015-12-10 | Foamed aluminium electromagnetic shield splice plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205510661U true CN205510661U (en) | 2016-08-24 |
Family
ID=56720049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521027799.XU Withdrawn - After Issue CN205510661U (en) | 2015-12-10 | 2015-12-10 | Foamed aluminium electromagnetic shield splice plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205510661U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105338800A (en) * | 2015-12-10 | 2016-02-17 | 辽宁融达新材料科技有限公司 | Foamed aluminum electromagnetic shielding splice plate |
| CN108571163A (en) * | 2017-03-09 | 2018-09-25 | 天津城建大学 | A kind of raw-soil loam wall U-shaped resistance column and sliding slot template system |
| CN111409327A (en) * | 2020-03-26 | 2020-07-14 | 北方长龙新材料技术有限公司 | Multi-linked rocket projectile storage and transportation box and manufacturing method thereof |
-
2015
- 2015-12-10 CN CN201521027799.XU patent/CN205510661U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105338800A (en) * | 2015-12-10 | 2016-02-17 | 辽宁融达新材料科技有限公司 | Foamed aluminum electromagnetic shielding splice plate |
| CN105338800B (en) * | 2015-12-10 | 2018-06-19 | 辽宁融达新材料科技有限公司 | A kind of foamed aluminium is electromagnetically shielded splice plate |
| CN108571163A (en) * | 2017-03-09 | 2018-09-25 | 天津城建大学 | A kind of raw-soil loam wall U-shaped resistance column and sliding slot template system |
| CN111409327A (en) * | 2020-03-26 | 2020-07-14 | 北方长龙新材料技术有限公司 | Multi-linked rocket projectile storage and transportation box and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160824 Effective date of abandoning: 20180619 |