CN107949263A - One kind building electromagnetic shielding method - Google Patents

One kind building electromagnetic shielding method Download PDF

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Publication number
CN107949263A
CN107949263A CN201711377073.2A CN201711377073A CN107949263A CN 107949263 A CN107949263 A CN 107949263A CN 201711377073 A CN201711377073 A CN 201711377073A CN 107949263 A CN107949263 A CN 107949263A
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CN
China
Prior art keywords
stainless steel
building
steel cloth
cloth
electromagnetic shielding
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.)
Granted
Application number
CN201711377073.2A
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Chinese (zh)
Other versions
CN107949263B (en
Inventor
刘奇
刘晔
曹亮
陈卯蒸
刘烽
王娜
李笑飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Chinese Academy of Sciences
Xinjiang Astronomical Observatory of CAS
Original Assignee
University of Chinese Academy of Sciences
Xinjiang Astronomical Observatory of CAS
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Priority to CN201711377073.2A priority Critical patent/CN107949263B/en
Publication of CN107949263A publication Critical patent/CN107949263A/en
Application granted granted Critical
Publication of CN107949263B publication Critical patent/CN107949263B/en
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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0001Rooms or chambers
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0001Rooms or chambers
    • H05K9/0003Shielded walls, floors, ceilings, e.g. wallpaper, wall panel, electro-conductive plaster, concrete, cement, mortar
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0001Rooms or chambers
    • H05K9/0005Shielded windows
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B2001/925Protection against harmful electro-magnetic or radio-active radiations, e.g. X-rays

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Building Environments (AREA)

Abstract

The present invention relates to one kind to build electromagnetic shielding method, it includes:The stainless steel cloth of the corresponding mesh number of selection;The first bonding mortar layer is smeared on building wall;The stainless steel cloth is laid on the first bonding mortar layer;The second bonding mortar layer is smeared on the net in the stainless steel wire;The stainless steel cloth and the stainless steel cloth of its surrounding are mutually overlapped;Check the stainless steel wire net surface and its lap-joint whether hole;The shielding windows and shield door are overlapped with surrounding stainless steel cloth;It will be close to that the stainless steel cloth of construction bottom is buried, and the stainless steel cloth of construction bottom or upper and lower layer stainless steel row accessed into building ground by multipoint earthing mode;Extraneous trunk optical fiber is set to enter building by the stainless steel mouthpiece being fixed on building wall;And power cord, water pipe is set to enter building by metal tubes.Building electro-magnetic screen function can be achieved in the present invention, and effectively reduces shielding cost.

Description

One kind building electromagnetic shielding method
Technical field
The present invention relates to a kind of electromagnetic protection technology, more particularly to a kind of building electromagnetic shielding method.
Background technology
Since Large-diameter Radio Telescope has a high system sensitivity, commercial electronic installation electromagnetical interference meeting in platform location Radio astronomy observation is influenced, deteriorates observation data, therefore, effective shielding protection is carried out for radio astronomy station building, will be big Width alleviates the influence that building inner electronic equipment observes radio astronomy.And since building facilities are more, and single building is huge, passes The high-performance electromagnetic protection cost of system is extremely expensive, so, for building research low cost, and there is the screen of engineering exploitativeness Covering method has important engineering application value.
The content of the invention
In order to solve the above-mentioned problems of the prior art, the present invention is intended to provide a kind of building electromagnetic shielding method, with Effectively reduce building electromagnetic shielding cost.
A kind of building electromagnetic shielding method of the present invention, it comprises the following steps:
Step S1, according to building electromagnetic shielding requirements, selects to correspond to the stainless steel cloth of mesh number;
Step S2, smears the first bonding mortar layer on building wall;
Step S3, the stainless steel cloth is laid on the first bonding mortar layer;
Step S4, the second bonding mortar layer is smeared in the stainless steel wire on the net;
Step S5, the stainless steel cloth and the stainless steel cloth of its surrounding are mutually overlapped;
Step S6, repeats the step S2-5, until building surface is paved with the stainless steel cloth, and described in inspection Stainless steel wire net surface and its lap-joint whether hole, if so, the stainless steel cloth for then cutting correspondingly-sized is repaired;
Step S7, installs shielding windows and shield door in building, and by the shielding windows and shield door with it is surrounding not Become rusty steel wire overlap joint;
Step S8, will be close to that the stainless steel cloth of construction bottom is buried, and by the stainless steel cloth of construction bottom or upper and lower Layer stainless steel row accesses building ground by multipoint earthing mode;
Step S9, makes extraneous trunk optical fiber enter building by the stainless steel mouthpiece being fixed on building wall, wherein, The stainless steel mouthpiece is conductively connected with the stainless steel cloth;And
Step S10, makes power cord, water pipe enter building by metal tubes, wherein, the metal tube is buried.
In above-mentioned building electromagnetic shielding method, further include:Step S11, building wall is installed on by integrated heat-preservation hanging plate Face, so that the stainless steel cloth is not exposed to open air.
In above-mentioned building electromagnetic shielding method, the step S4 is further included:Four side of stainless steel cloth is respectively stayed Go out the first width segments not by the first, second bonding mortar layer cover, and by positioned at the door of building, window surrounding it is stainless The edge close to door, window of steel wire reserves the second width segments and is not covered by the first, second bonding mortar layer.
In above-mentioned building electromagnetic shielding method, the width of first width segments is at least 10cm, and described second The width of width segments is 60cm.
In above-mentioned building electromagnetic shielding method, the step S5 includes:
Step S51, it is by the lap-joint between the stainless steel cloth of lower floor's stainless steel row's fixed building metope, upper strata is stainless Steel row is pressed on the lap-joint between stainless steel cloth;
Step S52, lower floor's stainless steel row and upper strata stainless steel row are alignd and are fixedly connected on stainless steel cloth Together.
In above-mentioned building electromagnetic shielding method, between the fixing point of lower floor's stainless steel row and upper strata stainless steel row Interval be not less than 10cm.
Further, in the step S8, the buried depth of the stainless steel cloth of the close construction bottom is more than 1m, Interval between the stainless steel cloth of the construction bottom or the earth point of upper and lower layer stainless steel row is not less than 10m.
Further, in the step S9, the stainless steel mouthpiece includes:The stainless steel being fixed on building wall Plate and multiple it is vertically welded on the stainless steel plate and the front and rear stainless steel tube through construction wall.
In above-mentioned building electromagnetic shielding method, the close building light current well of installation site of the stainless steel mouthpiece.
Further, in the step S10, the buried depth of the metal tubes is more than 1.5m.
As a result of above-mentioned technical solution, the present invention by being laid with stainless steel cloth in building wall, and Its surface coat bonding mortar, while using stainless steel row overlap joint stainless steel cloth, and coordinate using shielding windows, shield door with not Become rusty steel wire overlap joint, in addition, being also achieved in building electromagnetism using the realizations such as stainless steel mouthpiece, metal tubes building inlet wire Function of shielding, and effectively reduce shielding cost.It is outer that the present invention also ensures that stainless steel cloth is not exposed to using integrated heat-preservation hanging plate, So as to increase shielding material service life and play insulation effect.
Brief description of the drawings
Fig. 1 is using a kind of exploded pictorial for building the building electromagnetic armouring structure that electromagnetic shielding method is realized of the present invention Figure;
Fig. 2, which is that the present invention is a kind of, builds the schematic diagram for mutually overlapping multiple stainless steel cloths in electromagnetic shielding method.
Embodiment
Below in conjunction with the accompanying drawings, presently preferred embodiments of the present invention is provided, and is described in detail.
As shown in Figure 1, 2, of the invention, i.e., a kind of building electromagnetic shielding method, comprises the following steps:
Step S1, according to the electromagnetic shielding demand of building, selects the stainless steel cloth 1 of suitable mesh number;Building is required herein Metope is wiped with one layer of cement (normally having);In the present embodiment, electromagnetic shielding demand 30dB, shielding are built according to QTT platforms location 30 mesh stainless steel cloths 1 can be selected in material;
Step S2:One layer of bonding mortar 2 is smeared in 1 installation place of stainless steel cloth of building wall;
Step S3:2 meters wide of stainless steel cloth 1 is laid on 2 surface of bonding mortar;Herein, it is desirable to smeared in bonding mortar 2 Afterwards, the stainless steel cloth 1 for cutting appropriate length at once is laid on 2 surface of bonding mortar;
Step S4:It is engraved in 1 surface of stainless steel cloth and smears one layer of bonding mortar 2 again, will be each by double-deck bonding mortar 2 Stainless steel cloth 1 is adhered to building wall (this bonding mortar 2 is adapted to the fixation of 50 mesh and following stainless steel cloth 1), and not 1 four side of rust steel wire respectively reserves the not glued mortars 2 of at least 10cm and covers, in order to the overlap joint between stainless steel cloth 1, and Covered the not glued mortars 2 of 60cm are reserved positioned at the edge close to door, window of the door of building, the stainless steel cloth 1 of window surrounding;
Step S5:Stainless steel cloth 1 and the stainless steel cloth 1 of its surrounding are mutually overlapped, specifically included:
Lower floor's stainless steel, is arranged the lap-joint between the stainless steel cloth 1 of 3 fixed building metopes, by upper strata not by step S51 Rust steel row 4 is pressed on the lap-joint between stainless steel cloth 1;The lap width of stainless steel cloth 1 is required to be at least 10cm herein (as shown in Figure 2);
Step S52, lower floor stainless steel row 3 and upper strata stainless steel row 4 are alignd and are effectively fixed in together, so that being located at Two stainless steel cloths 1 between lower floor stainless steel row 3 and upper strata stainless steel row 4 are fixed together;Lower floor is stainless herein The fixing point of steel row 3 and upper strata stainless steel row 4 are no less than 10cm/, to ensure that crimping is good between stainless steel cloth 1;At this In embodiment, the both ends of lower floor stainless steel row 3 open up the hole of 5.2mm, for being fixed on building wall, upper strata stainless steel row 4 Both ends open up the hole of 9.5mm, for sinking to the cap of screw, realize that stainless steel row pressure is tight;On upper and lower layer stainless steel row 4,3 The hole of 4.5mm is evenly equipped with, for upper and lower layer stainless steel row 4,3 and stainless steel cloth 1 are riveted together;
Step S6, repeats step S2-S5, until building surface is paved with stainless steel cloth 1, and checks stainless steel cloth 1 surface and its lap-joint whether hole, it is non-porous to ensure if so, the stainless steel cloth 1 for then cutting suitable size is repaired Hole;
Step S7:Shielding windows and shield door be installed in building, and by shielding windows and shield door with it is reserved around it 60cm stainless steel cloths 1 effectively overlap, to ensure effective shielding of building door, window;
Step S8:It is buried to will be close to the stainless steel cloth 1 of construction bottom, and buried depth is more than 1m;Building is required herein Stainless steel cloth 1 or stainless steel row's access building ground of bottom, and multipoint earthing mode is used, and earth point is not less than 10m/ It is a;
Step S9:Extraneous trunk optical fiber is entered building by the stainless steel mouthpiece being fixed on building wall, with for Building provides network;Stainless steel mouthpiece includes:The stainless steel plate that is fixed on building wall and multiple it is vertically welded in not Become rusty on steel plate and the front and rear stainless steel tube through construction wall, wherein, the size of stainless steel plate is 60cm × 40cm, its four sides into Row punching, is fixed on metope, requires fixing point interval 10cm/ herein, the internal diameter of stainless steel tube be less than 28mm (for example with 28mm waveguides, to realize that 100MHz-3GHz shield effectiveness is more than 100dB);In addition, the there is a requirement that peace of stainless steel mouthpiece Holding position ensures that stainless steel mouthpiece is conductively connected with stainless steel cloth 1 during installation close to building light current well.
Step S10:Power cord, water pipe etc. is entered building by metal tubes, there is a requirement that metal tubes are buried, and bury Ground depth is more than 1.5m;
Step S11:Using viscous riveting associated methods, integrated heat-preservation hanging plate 5 (existing) is installed on building wall, to ensure not Rust steel wire 1 is not exposed to open air, so as to can increase shielding material service life and play insulation effect;So far, build Electromagnetic armouring structure as shown in Figure 1 is formed on metope.
Present invention can apply to the high radio astronomy field of electromagnetic environment requirements and anti-information leakage technical field;Separately Outside, for the severe occasion of electromagnetic environment, the present invention can significantly alleviate the outer strong electromagnetic radiation of building, significantly weaken electromagnetic radiation pair Staff damages.
It is above-described, it is only presently preferred embodiments of the present invention, is not limited to the scope of the present invention, of the invention is upper Stating embodiment can also make a variety of changes.The letter that every claims and description according to the present patent application are made Single, equivalent changes and modifications, falls within the claims of patent of the present invention.The not detailed description of the present invention is normal Advise technology contents.

Claims (10)

1. one kind building electromagnetic shielding method, it is characterised in that the described method comprises the following steps:
Step S1, according to building electromagnetic shielding requirements, selects to correspond to the stainless steel cloth of mesh number;
Step S2, smears the first bonding mortar layer on building wall;
Step S3, the stainless steel cloth is laid on the first bonding mortar layer;
Step S4, the second bonding mortar layer is smeared in the stainless steel wire on the net;
Step S5, the stainless steel cloth and the stainless steel cloth of its surrounding are mutually overlapped;
Step S6, repeats the step S2-5, until building surface is paved with the stainless steel cloth, and checks described stainless Steel wire net surface and its lap-joint whether hole, if so, the stainless steel cloth for then cutting correspondingly-sized is repaired;
Step S7, installs shielding windows and shield door in building, and by the shielding windows and shield door and surrounding stainless steel Silk screen overlaps;
Step S8, will be close to that the stainless steel cloth of construction bottom is buried, and by the stainless steel cloth of construction bottom or upper and lower layer not Rust steel row accesses building ground by multipoint earthing mode;
Step S9, makes extraneous trunk optical fiber enter building by the stainless steel mouthpiece being fixed on building wall, wherein, it is described Stainless steel mouthpiece is conductively connected with the stainless steel cloth;And
Step S10, makes power cord, water pipe enter building by metal tubes, wherein, the metal tube is buried.
2. building electromagnetic shielding method according to claim 1, it is characterised in that the method further includes:Step S11, Integrated heat-preservation hanging plate is installed on building wall, so that the stainless steel cloth is not exposed to open air.
3. building electromagnetic shielding method according to claim 1 or 2, it is characterised in that the step S4 is further included:By institute State four side of stainless steel cloth and respectively reserve the first width segments not by first, second bonding mortar layer covering, and will be located at The door of building, the edge close to door, window of the stainless steel cloth of window surrounding reserve the second width segments not by described first, second Bonding mortar layer covers.
4. building electromagnetic shielding method according to claim 3, it is characterised in that the width of first width segments is extremely It is 10cm less, the width of second width segments is 60cm.
5. building electromagnetic shielding method according to claim 1 or 2, it is characterised in that the step S5 includes:
Step S51, upper strata stainless steel is arranged by the lap-joint between the stainless steel cloth of lower floor's stainless steel row's fixed building metope The lap-joint being pressed between stainless steel cloth;
Step S52, lower floor's stainless steel row and upper strata stainless steel row are alignd and are fixed together with stainless steel cloth.
6. building electromagnetic shielding method according to claim 5, it is characterised in that lower floor's stainless steel row and upper strata are not Interval between the fixing point of rust steel row is not less than 10cm.
7. building electromagnetic shielding method according to claim 1 or 2, it is characterised in that described to lean in the step S8 The buried depth of the stainless steel cloth of nearly construction bottom is more than 1m, and the stainless steel cloth of the construction bottom or upper and lower layer are stainless Interval between the earth point of steel row is not less than 10m.
8. building electromagnetic shielding method according to claim 1 or 2, it is characterised in that in the step S9, it is described not Rust steel mouthpiece includes:The stainless steel plate that is fixed on building wall and it is multiple be vertically welded in it is on the stainless steel plate and preceding Run through the stainless steel tube of construction wall afterwards.
9. building electromagnetic shielding method according to claim 8, it is characterised in that the installation position of the stainless steel mouthpiece Put close to building light current well.
10. building electromagnetic shielding method according to claim 1 or 2, it is characterised in that described in the step S10 The buried depth of metal tubes is more than 1.5m.
CN201711377073.2A 2017-12-19 2017-12-19 Electromagnetic shielding method for building Active CN107949263B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN107949263B CN107949263B (en) 2020-03-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108824712A (en) * 2018-07-16 2018-11-16 中国科学院新疆天文台 A kind of water penetration pipeline screening arrangement
CN109098479A (en) * 2018-09-26 2018-12-28 吉林省泰华电子股份有限公司 A kind of construction technology of light electromagnetic shielding chamber
CN110552441A (en) * 2019-10-11 2019-12-10 中国科学院新疆天文台 Electromagnetic shielding curtain wall applied to building

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0291591A1 (en) * 1987-05-20 1988-11-23 Shimizu Construction Co., Ltd. Electromagnetic shield structure for windows of buildings
CN1148656A (en) * 1995-06-29 1997-04-30 清水建设株式会社 Electromagnetic shielded building
CN2673053Y (en) * 2003-12-26 2005-01-19 李勇 Electromagnetic shielding device for house
JP2007056668A (en) * 1999-12-28 2007-03-08 Yoshinori Maekawa Exterior type electromagnetic wave shielding building
CN102635240A (en) * 2012-04-18 2012-08-15 浙江省建工集团有限责任公司 Construction method of indoor anti-static shielding mesh system
CN103359997A (en) * 2013-02-04 2013-10-23 青岛理工大学 Nano foamed concrete, reinforced insulation wallboard and preparation method of reinforced insulation wallboard
CN105275106A (en) * 2015-11-05 2016-01-27 中国建筑材料科学研究总院 Anti-electromagnetic radiation building
CN106251911A (en) * 2016-07-22 2016-12-21 葛加君 The method of building intelligence system multidigit pre-control electromagnetism Leibo interference
CN106380164A (en) * 2016-11-17 2017-02-08 中国人民解放军总参谋部工程兵第四设计研究院 Electromagnetic pulse prevention concrete, composite wall body built by electromagnetic pulse concrete and construction method of composite wall body

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0291591A1 (en) * 1987-05-20 1988-11-23 Shimizu Construction Co., Ltd. Electromagnetic shield structure for windows of buildings
CN1148656A (en) * 1995-06-29 1997-04-30 清水建设株式会社 Electromagnetic shielded building
JP2007056668A (en) * 1999-12-28 2007-03-08 Yoshinori Maekawa Exterior type electromagnetic wave shielding building
CN2673053Y (en) * 2003-12-26 2005-01-19 李勇 Electromagnetic shielding device for house
CN102635240A (en) * 2012-04-18 2012-08-15 浙江省建工集团有限责任公司 Construction method of indoor anti-static shielding mesh system
CN103359997A (en) * 2013-02-04 2013-10-23 青岛理工大学 Nano foamed concrete, reinforced insulation wallboard and preparation method of reinforced insulation wallboard
CN105275106A (en) * 2015-11-05 2016-01-27 中国建筑材料科学研究总院 Anti-electromagnetic radiation building
CN106251911A (en) * 2016-07-22 2016-12-21 葛加君 The method of building intelligence system multidigit pre-control electromagnetism Leibo interference
CN106380164A (en) * 2016-11-17 2017-02-08 中国人民解放军总参谋部工程兵第四设计研究院 Electromagnetic pulse prevention concrete, composite wall body built by electromagnetic pulse concrete and construction method of composite wall body

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108824712A (en) * 2018-07-16 2018-11-16 中国科学院新疆天文台 A kind of water penetration pipeline screening arrangement
CN109098479A (en) * 2018-09-26 2018-12-28 吉林省泰华电子股份有限公司 A kind of construction technology of light electromagnetic shielding chamber
CN110552441A (en) * 2019-10-11 2019-12-10 中国科学院新疆天文台 Electromagnetic shielding curtain wall applied to building

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