CN105277803A - Wall structure for detecting product electromagnetic performance - Google Patents
Wall structure for detecting product electromagnetic performance Download PDFInfo
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- CN105277803A CN105277803A CN201510882523.8A CN201510882523A CN105277803A CN 105277803 A CN105277803 A CN 105277803A CN 201510882523 A CN201510882523 A CN 201510882523A CN 105277803 A CN105277803 A CN 105277803A
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- Prior art keywords
- adsorption film
- wall
- frequency adsorption
- electromagnetic performance
- film
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 26
- 230000000737 periodic effect Effects 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 238000010276 construction Methods 0.000 claims description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 239000005357 flat glass Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 10
- 239000011358 absorbing material Substances 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 6
- 229910000859 α-Fe Inorganic materials 0.000 abstract description 6
- 239000003292 glue Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000006096 absorbing agent Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910000681 Silicon-tin Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
Landscapes
- Building Environments (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention belongs to the field of detection, and relates to a wall structure for detecting product electromagnetic performance, in particular to an anechoic chamber wall structure. The wall structure sequentially comprises a wall body, a high-frequency adsorption film, a low-frequency adsorption film and a protective film or a wall body, a low-frequency adsorption film, a high-frequency adsorption film and a protective film from outside to inside, the high-frequency adsorption film is of a structure of dried mask glue mixed with non-periodic metal wires, the low-frequency adsorption film is of a structure of dried mask glue mixed with periodic metal wires, and the protective film is opaque. According to the wall structure for detecting product electromagnetic performance, the traditional design mode of designing a shielding chamber and a wave-absorbing material individually and designing ferrite and a sponge absorbing body individually is thoroughly overturned, a brand new film structure is adopted, the wall structure is simplified, the wall weight and thickness are substantially reduced, manufacturing cost is reduced, and besides the installing procedure can be simplified.
Description
Technical field
The wall construction that the present invention is used for the detection of product electromagnetic performance belongs to detection field, is specifically related to a kind of anechoic chamber, wall construction.
Background technology
Anechoic chamber, is be mainly used in simulating open area test site, simultaneously for radiated radio harassing and wrecking and the airtight screened room of radiation sensitivity measurement, has vital role in electronic product performance field tests.
Tradition anechoic chamber, is primarily of screened room and absorbing material composition.This structure has following shortcoming and defect:
Screened room and absorbing material discrete design, the sponge absorber of the ferrite and absorbing high-frequency section that absorb low-frequency range in absorbing material also adopts discrete design, and sponge absorber also will adopt conical design, make whole wall construction not only thick but also heavy, and then occur that cost is high, install difficult problem.
Summary of the invention
In order to solve the problem, the present invention devises a kind of wall construction detected for product electromagnetic performance, this wall construction thoroughly overturns the traditional design mode of screened room and absorbing material discrete design, ferrite and sponge absorber discrete design, have employed a kind of brand-new membrane structure, not only simplify wall construction, significantly reduce wall weight and thickness, reduce cost of manufacture, can also installation procedure be simplified simultaneously.
The object of the present invention is achieved like this:
For the wall construction that product electromagnetic performance detects, from outside to inside, comprise successively:
Body of wall, high frequency adsorption film, low frequency adsorption film and diaphragm;
Or
Body of wall, low frequency adsorption film, high frequency adsorption film and diaphragm;
Described body of wall is opaque;
Described high frequency adsorption film be dry after mask plastic clip to mix the structure of metal wire non-periodic;
Described low frequency adsorption film be dry after mask plastic clip to mix the structure of periodically metal wire;
Described diaphragm is opaque.
The above-mentioned wall construction detected for product electromagnetic performance, the sandwich construction that described body of wall is glass, tinfoil is cross-linked, outermost layer and innermost layer are glassy layer.
The above-mentioned wall construction detected for product electromagnetic performance, in high frequency adsorption film and low frequency adsorption film, there is carbon protective film in the surrounding of metal wire.
The above-mentioned wall construction detected for product electromagnetic performance, described diaphragm is the structure that two sheet glass therebetween have carbon dust layer.
The above-mentioned wall construction detected for product electromagnetic performance, in described low frequency adsorption film, the figure of metal wire is circular, square, rectangle or diamond structure.
Beneficial effect:
The first, the wall construction detected for product electromagnetic performance due to the present invention comprises body of wall, high frequency adsorption film, low frequency adsorption film and diaphragm, and high frequency adsorption film and low frequency adsorption film be dry after mask plastic clip to mix the structure of metal wire, thoroughly overturn the division between traditional screened room and absorbing material, and then overturn the traditional design mode of screened room and absorbing material discrete design, ferrite and sponge absorber discrete design, therefore can realize the thickness reducing wall;
The second, because the present invention is used in the wall construction of product electromagnetic performance detection, find that periodically metal wire structure has the function of absorption low-frequency electromagnetic wave, and adopt the assorted periodically metal wire structure of dry rear mask plastic clip to replace ferrite, therefore can reduce wall mass;
Three, because the present invention is used in the wall construction of product electromagnetic performance detection, find that non-periodic, metal wire structure had the function of adsorbing frequency electromagnetic waves, and the dry rear mask plastic clip of employing is mixed, non-periodic, metal wire structure replaced sponge absorber, planar structure is adopted to replace pyramidal structure, therefore can reduce cost of manufacture, reduce wall thickness;
Four, because the present invention is used in the wall construction of product electromagnetic performance detection, wall weight and thickness reduce simultaneously, therefore can also simplify installation procedure.
Accompanying drawing explanation
Fig. 1 is the structural representation of the wall construction specific embodiment one that the present invention detects for product electromagnetic performance.
Fig. 2 is the structural representation of the wall construction specific embodiment two that the present invention detects for product electromagnetic performance.
In figure: 1 body of wall, 2 high frequency adsorption films, 3 low frequency adsorption films, 4 diaphragms.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the invention is described in further detail.
Specific embodiment one
The wall construction detected for product electromagnetic performance of the present embodiment, structural representation as shown in Figure 1.This wall construction from outside to inside, comprises successively:
Body of wall 1, high frequency adsorption film 2, low frequency adsorption film 3 and diaphragm 4;
Described body of wall 1 is opaque;
Described high frequency adsorption film 2 be dry after mask plastic clip to mix the structure of metal wire non-periodic;
Described low frequency adsorption film 3 be dry after mask plastic clip to mix the structure of periodically metal wire;
Described diaphragm 4 is opaque.
Specific embodiment two
The wall construction detected for product electromagnetic performance of the present embodiment, structural representation as shown in Figure 2.This wall construction from outside to inside, comprises successively:
Body of wall 1, low frequency adsorption film 3, high frequency adsorption film 2 and diaphragm 4;
Described body of wall 1 is opaque;
Described high frequency adsorption film 2 be dry after mask plastic clip to mix the structure of metal wire non-periodic;
Described low frequency adsorption film 3 be dry after mask plastic clip to mix the structure of periodically metal wire;
Described diaphragm 4 is opaque.
Specific embodiment three
The wall construction detected for product electromagnetic performance of the present embodiment, on the basis of specific embodiment one or specific embodiment two, limit the sandwich construction that body of wall 1 is glass, tinfoil is cross-linked further, outermost layer and innermost layer are glassy layer.
This structure qualification, has following several respects technical advantage:
The first, structure is simple, is easy to make, assemble and debugging;
The second, the sandwich construction that is cross-linked of glass, tinfoil, forms multiple reflection of electromagnetic wave layer in centre, makes external disturbance wear body of wall 1 thoroughly, also makes body of wall 1 internal electrical magnetic wave can not be transmitted to outside body of wall 1;
Three, the sandwich construction that is cross-linked of glass, tinfoil, make use of the ionization property of silicon dioxide and tin material, can in Electromagnetic Interference situation radiation and the reverse electromagnetic wave of interference electromagnetic wave, radiated electromagnetic wave interferes with each other counteracting with interference electromagnetic wave, reduce further electromagnetic series connection inside and outside body of wall 1.
Specific embodiment four
The wall construction detected for product electromagnetic performance of the present embodiment, on the basis of specific embodiment one or specific embodiment two, there is carbon protective film in the surrounding limiting metal wire in high frequency adsorption film 2 and low frequency adsorption film 3 further.
This structure qualification, characteristic after metal wire can be utilized to be combined with carbon dust, form a kind of sorbing material with better adsorption effect newly, not only there is the characteristic of plastic foamboard absorption frequency electromagnetic waves, and there is the characteristic of ferrite absorption low-frequency electromagnetic wave, therefore can improve the darkroom effect of wall construction further.
Specific embodiment five
The wall construction detected for product electromagnetic performance of the present embodiment, on the basis of specific embodiment one or specific embodiment two, limiting diaphragm 4 is further the structure that two sheet glass therebetween have carbon dust layer.
In the present embodiment, the effect of carbon dust layer is different from specific embodiment four, the structure qualification of the present embodiment diaphragm 4, is utilize carbon dust layer in the optical characteristics of visible light wave range.Because in the testing process to product electromagnetic performance, sometimes in order to accomplish that real-time video is monitored, need project visible light, light wave itself is also a kind of electromagnetic wave, and therefore project visible light may cause electromagnetic interference (EMI); Carbon dust layer is set in diaphragm 4, can visible ray be adsorbed, avoid visible ray multiple reflections and produce electromagnetic interference (EMI) in darkroom.
Specific embodiment six
The wall construction detected for product electromagnetic performance of the present embodiment, on the basis of specific embodiment one or specific embodiment two, the figure limiting metal wire in low frequency adsorption film 3 is further circular, square, rectangle or diamond structure.
It should be noted that, described in above embodiment non-periodic metal wire shape be the shape of exposure cracking after the drying of mask glue.
Also it should be noted that, after dry, mask plastic clip is mixed the structure of metal wire non-periodic, and dry after mask plastic clip to mix the structure of periodically metal wire, job operation is all very simple, the concrete technical parameter such as the baking temperature of mask glue and metal live width, those skilled in the art can be obtained by limited number of time experiment, therefore do not carry out careful explanation in the present invention.
Claims (5)
1., for the wall construction that product electromagnetic performance detects, it is characterized in that, from outside to inside, comprise successively:
Body of wall (1), high frequency adsorption film (2), low frequency adsorption film (3) and diaphragm (4);
Or
Body of wall (1), low frequency adsorption film (3), high frequency adsorption film (2) and diaphragm (4);
Described body of wall (1) is opaque;
Described high frequency adsorption film (2) be dry after mask plastic clip to mix the structure of metal wire non-periodic;
Described low frequency adsorption film (3) be dry after mask plastic clip to mix the structure of periodically metal wire;
Described diaphragm (4) is opaque.
2. the wall construction detected for product electromagnetic performance according to claim 1, is characterized in that, described body of wall (1) is glass, sandwich construction that tinfoil is cross-linked, outermost layer and innermost layer are glassy layer.
3. the wall construction detected for product electromagnetic performance according to claim 1, is characterized in that, there is carbon protective film in the surrounding of high frequency adsorption film (2) and the middle metal wire of low frequency adsorption film (3).
4. the wall construction detected for product electromagnetic performance according to claim 1, it is characterized in that, described diaphragm (4) is the structure that two sheet glass therebetween have carbon dust layer.
5. the wall construction detected for product electromagnetic performance according to claim 5, is characterized in that, the figure of metal wire is circular, square, rectangle or diamond structure in described low frequency adsorption film (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510882523.8A CN105277803B (en) | 2015-12-03 | 2015-12-03 | For the wall construction of product electromagnetic performance detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510882523.8A CN105277803B (en) | 2015-12-03 | 2015-12-03 | For the wall construction of product electromagnetic performance detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105277803A true CN105277803A (en) | 2016-01-27 |
| CN105277803B CN105277803B (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510882523.8A Expired - Fee Related CN105277803B (en) | 2015-12-03 | 2015-12-03 | For the wall construction of product electromagnetic performance detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105277803B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0660123A2 (en) * | 1993-12-27 | 1995-06-28 | TDK Corporation | Anechoic chamber and wave absorber |
| US6359581B2 (en) * | 2000-03-27 | 2002-03-19 | Tdk Corporation | Electromagnetic wave abosrber |
| CN1889822A (en) * | 2006-05-22 | 2007-01-03 | 哈尔滨工业大学 | Electromagnetic screening optical window with circular ring metal meshed gate structure |
| CN201425843Y (en) * | 2009-06-15 | 2010-03-17 | 大连东信微波吸收材料有限公司 | Novel broadband multilayer absorber |
| CN201808251U (en) * | 2010-08-13 | 2011-04-27 | 厦门鑫嘉捷电子科技有限公司 | Anti-interference and radiation-resistant wave-absorbing material |
| CN201816261U (en) * | 2010-04-16 | 2011-05-04 | 泰州拓谷超细粉体材料有限公司 | Wave-absorbing film with multilayer structure for Ku waveband radar |
| CN103545618A (en) * | 2013-09-25 | 2014-01-29 | 华中科技大学 | Terahertz waveband broadband absorbing metamaterial |
| CN103762429A (en) * | 2014-01-03 | 2014-04-30 | 南京大学 | Soft and light electromagnetic wave absorbing material based on ferromagnetic/medium nano-multilayer film structure |
| CN203876308U (en) * | 2014-04-10 | 2014-10-15 | 苏州驭奇材料科技有限公司 | Electromagnetic wave absorption device |
-
2015
- 2015-12-03 CN CN201510882523.8A patent/CN105277803B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0660123A2 (en) * | 1993-12-27 | 1995-06-28 | TDK Corporation | Anechoic chamber and wave absorber |
| US6359581B2 (en) * | 2000-03-27 | 2002-03-19 | Tdk Corporation | Electromagnetic wave abosrber |
| CN1889822A (en) * | 2006-05-22 | 2007-01-03 | 哈尔滨工业大学 | Electromagnetic screening optical window with circular ring metal meshed gate structure |
| CN201425843Y (en) * | 2009-06-15 | 2010-03-17 | 大连东信微波吸收材料有限公司 | Novel broadband multilayer absorber |
| CN201816261U (en) * | 2010-04-16 | 2011-05-04 | 泰州拓谷超细粉体材料有限公司 | Wave-absorbing film with multilayer structure for Ku waveband radar |
| CN201808251U (en) * | 2010-08-13 | 2011-04-27 | 厦门鑫嘉捷电子科技有限公司 | Anti-interference and radiation-resistant wave-absorbing material |
| CN103545618A (en) * | 2013-09-25 | 2014-01-29 | 华中科技大学 | Terahertz waveband broadband absorbing metamaterial |
| CN103762429A (en) * | 2014-01-03 | 2014-04-30 | 南京大学 | Soft and light electromagnetic wave absorbing material based on ferromagnetic/medium nano-multilayer film structure |
| CN203876308U (en) * | 2014-04-10 | 2014-10-15 | 苏州驭奇材料科技有限公司 | Electromagnetic wave absorption device |
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| Publication number | Publication date |
|---|---|
| CN105277803B (en) | 2018-06-26 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171121 Address after: Ruida road 450000 high tech Industrial Development Zone, Henan city of Zhengzhou province No. 96 Business Center No. 1 building C206 room Applicant after: ZHENGZHOU TIANSHUN ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 150000 Heilongjiang high tech Industrial Development Zone, Nangang hi tech Venture Center, building No. 17, Hongqi Street, room No. 801, room 162 Applicant before: HARBIN HUANSHI TECHNOLOGY DEVELOPMENT CO.,LTD. |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Lizhong Inventor after: Ning Kai Inventor before: Ning Kai |
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Effective date of registration: 20180410 Address after: The 324100 Ring Road in Zhejiang province Jiangshan City 24 building 3 floor Applicant after: JIANGSHAN HAIWEI TECHNOLOGY Co.,Ltd. Address before: Ruida road 450000 high tech Industrial Development Zone, Henan city of Zhengzhou province No. 96 Business Center No. 1 building C206 room Applicant before: ZHENGZHOU TIANSHUN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20190315 Address after: 324100 No. 2 Huiyuan Road, Shanhai Cooperative Park, Jiangshan City, Zhejiang Province Patentee after: JIANGSHAN XINYUAN ELECTRIC Co.,Ltd. Address before: 324100 West Huancheng Road, Jiangshan City, Zhejiang Province, 24 Building 3 Patentee before: JIANGSHAN HAIWEI TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180626 Termination date: 20211203 |