CN103970154B - Device for accurately controlling fabric thickness in shielding effectiveness test of electromagnetic shielding fabric - Google Patents
Device for accurately controlling fabric thickness in shielding effectiveness test of electromagnetic shielding fabric Download PDFInfo
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- CN103970154B CN103970154B CN201410151114.6A CN201410151114A CN103970154B CN 103970154 B CN103970154 B CN 103970154B CN 201410151114 A CN201410151114 A CN 201410151114A CN 103970154 B CN103970154 B CN 103970154B
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Abstract
The invention discloses a device for accurately controlling fabric thickness in a shielding effectiveness test of electromagnetic shielding fabric. The device comprises an upper press plate and a lower press plate which are connected through an accurate size control mechanism, the upper press plate is composed of an upper metal ring (1) and an upper transparent plate (2) arranged in the upper metal ring, and the lower press plate is composed of a lower metal ring (3) and a lower transparent plate (4) arranged in the lower metal ring. The device for accurately controlling the fabric thickness is easy to operate, practical and novel, the thickness of an electromagnetic shielding fabric sample can be accurately controlled in a natural and normal state and is not affected by pressure of a flange coaxial clamp of a shielding effectiveness test device of the electromagnetic shielding fabric in the test process, and the fabric thickness is prevented from changing, so that the test result of the shielding effectiveness of the electromagnetic shielding fabric is accurate and reliable, and accuracy and scientificity of the test result are ensured. The device for accurately controlling the fabric thickness is suitable for testing a lot of fabric samples and easy to manufacture and has the advantages of being low in cost and high in accuracy, and the investment is small.
Description
Technical field
The present invention relates to precise control is knitted during the test of a kind of thickness control device, especially Electromagnetically shielding fabrics shield effectiveness
The device of thing thickness.
Background technology
Electromagnetically shielding fabrics are to produce electromagnetic shielding clothing, flexible electromagnetic shielding overcover and shielding matrices of composite material
Important materials, be all widely used at aspects such as health, wave transmissions, national defense and military, Aero-Space, be quick at present
One production of development and research field.
The main method of test Electromagnetically shielding fabrics shield effectiveness is flange coaxial method at present, knits yet with electromagnetic shielding
The flexibility of thing, when being tested to its shield effectiveness using flange coaxial method, fixture applies pressure when closing up to fabric,
Fabric can be caused with gross distortion, the conductive fiber of fabric occurs substantially to change, lead to test result inaccurate it is impossible to anti-
Reflect real shield effectiveness under fabric naturalness.Lot of documents shows, when the change upper and lower chucking pressure of flange coaxial tester
When, the shield effectiveness of fabric can occur great variety, leads to its data deficiency referential it is difficult to be applied to production and scientific research
Field.
Content of the invention
The technical problem to be solved in the present invention is can be to knitting when testing Electromagnetically shielding fabrics shield effectiveness in prior art
Thing causes gross distortion, and the conductive fiber of fabric occurs substantially to change, and leads to test result inaccurate it is impossible to reflect fabric
Real shield effectiveness under naturalness.
For solving above-mentioned technical problem, the present invention provides technical scheme as follows:
The device of precise control fabric thickness during Electromagnetically shielding fabrics shield effectiveness of the present invention test, include top board with
Pressing plate, is connected by accurate size controlling organization between top board and lower platen, and described top board by upper becket and is arranged on
Upper lamella lucida composition in upper becket, lower platen is made up of with the lower lamella lucida being arranged in lower becket lower becket.Logical
Cross between Electromagnetically shielding fabrics sample cloth is placed on top board and pushes, make that Electromagnetically shielding fabrics sample cloth is smooth not to be subject to coaxial holder
Pressure influence, the test result accuracy of obtained fabric shield effectiveness increases substantially, and is to produce and research is provided with
The data being worth.
As the preferred version of the present invention, accurate size controlling organization include bolt, location nut, scale bolt and
Knurled nut forms；Bolt number has two, is separately positioned on lower becket, and two bolts are located at lower metal
Ring same diametrically, each bolt is all nested with a location nut, two location nut setting on bolt
Seated position is in same level；Scale number of bolts has two, is separately positioned on inside two bolts on lower becket,
One knurled nut is all nested with each scale bolt, upper becket is provided with the contact site of bolt and scale bolt
Four vias, upper becket is arranged on bolt and scale bolt by four vias, and location nut is located at upper becket
Lower section, knurled nut is located above upper becket.Bolt and location nut are used for the position of top board is positioned, and carve
Degree bolt and knurled nut are used for reading the thickness of Electromagnetically shielding fabrics sample cloth.Can be from up and down by location nut and knurled nut
Two side's fixations, by top board, prevent top board from loosening.
As the preferred version of the present invention, also include the spring being nested with scale bolt, described number springs have two,
It is nested with respectively on two scale bolts, and be located at upper becket bottom.By arranging spring, top board can be played with certain delaying
Punching and supporting role.
As the preferred version of the present invention, the section of scale bolt is in 3/4 circular cross-section, at the breach plane of scale bolt
It is carved with scale, scale is carved with the nut circumference face of knurled nut.Can at the breach plane of scale bolt by being arranged on scale
So that scale label is apparent, facilitate reading.
As the preferred version of the present invention, the inner face of upper becket is provided with annular groove, the outer end of upper lamella lucida
Face is provided with the annular protrusion matching with annular protrusion, and upper lamella lucida passes through the annular groove phase of annular protrusion and upper becket
Connect.Upper becket is connected together with annular protrusion by annular groove with upper lamella lucida, and this connected mode closely, and is being surveyed
It is difficult during examination Electromagnetically shielding fabrics shield effectiveness to misplace during producing pressure.
As the preferred version of the present invention, upper becket is identical with the thickness of upper lamella lucida.Due to upper becket with upper
The thickness of isotropic disk is identical so that the upper and lower surface of top board smooths, so that lower surface is preferably and Electromagnetically shielding fabrics sample cloth
Contact.
As the preferred version of the present invention, the inner face of lower becket is provided with annular groove, the outer end of lower lamella lucida
Face is provided with the annular protrusion matching with annular protrusion, and lower lamella lucida passes through the annular groove phase of annular protrusion and lower becket
Connect.Lower becket is connected together with annular protrusion by annular groove with lower lamella lucida, and this connected mode closely, and is being surveyed
It is difficult during examination Electromagnetically shielding fabrics shield effectiveness to misplace during producing pressure.
As the preferred version of the present invention, lower becket is identical with the thickness of lower lamella lucida.Due to lower becket with lower
The thickness of isotropic disk is identical so that the upper and lower surface of lower platen smooths, so that upper surface is preferably and Electromagnetically shielding fabrics sample cloth
Contact.
As the preferred version of the present invention, it is additionally provided with positioning convex ring in lower becket bottom.By arranging convex
Play ring the present invention can be positioned on test Electromagnetically shielding fabrics shield effectiveness device, guard against deviations, misplace.
During Electromagnetically shielding fabrics shield effectiveness test of the present invention, the operational approach of the device of precise control fabric thickness is as follows:
A, respectively location nut on the knurled nut on two scale bolts and two bolts is adjusted pine, then will be upper
Pressing plate plate moves up, and puts into the Electromagnetically shielding fabrics sample cloth cutting between top board and lower platen；
B, the knurled nut of two scale bolts of adjustment make top board gradually press to Electromagnetically shielding fabrics sample cloth, when observing
Stop when top board is completely attached to Electromagnetically shielding fabrics sample cloth, then tighten location nut, so that the position of top board is fixed；
C, the upper coaxial holder of flange coaxial method opening test Electromagnetically shielding fabrics shield effectiveness device and similarly hereinafter axle clamp
Tool, when this device Electromagnetically shielding fabrics shield effectiveness is tested, the positioning convex ring of the device of precise control fabric thickness is nested into
On the lower coaxial holder of test Electromagnetically shielding fabrics shield effectiveness device, so that the upper becket of upper and lower pressing plate and lower metal
Ring is accurately corresponding with the upper coaxial holder of test Electromagnetically shielding fabrics shield effectiveness device and the outer shroud of lower coaxial holder, Ran Houhe
Hold together to test the upper coaxial holder of Electromagnetically shielding fabrics shield effectiveness device and lower coaxial holder, and launch electromagnetic plane wave to electromagnetism
The shield effectiveness of loomage sample cloth is tested；
D, be completed after separate the test upper coaxial holder of Electromagnetically shielding fabrics shield effectiveness device and lower coaxial holder,
When removing the test of this device Electromagnetically shielding fabrics shield effectiveness, the device of precise control fabric thickness, unclamps knurled nut and positioning
Nut takes out Electromagnetically shielding fabrics sample cloth；
E, the other Electromagnetically shielding fabrics sample cloth of repetition above step test.
The device of precise control fabric thickness during Electromagnetically shielding fabrics shield effectiveness test of the present invention, it is simple to operate, real
With novelty, effect substantially, the thickness of Electromagnetically shielding fabrics sample cloth can be accurately controlled under nature normal condition, and is testing
Shi Buhui is subject to the pressure influence of the flange coaxial fixture of test Electromagnetically shielding fabrics shield effectiveness device, it is to avoid fabric thickness is sent out
Raw change, therefore makes the test result of shield effectiveness of Electromagnetically shielding fabrics accurately and reliably.By using upper and lower becket to survey
The outer shroud of the flange coaxial of examination Electromagnetically shielding fabrics shield effectiveness device serves progradation, is the equal of the one of original fixture
Part, meets flange coaxial method test philosophy it is ensured that the accuracy of test result and science, and method of testing is simple to operate
Fast, it is suitable for the test to a large amount of sample cloth, make simple, put into little, there is inexpensive, high-precision feature.
Brief description
Fig. 1 is the device embodiment 1 of precise control fabric thickness during Electromagnetically shielding fabrics shield effectiveness test of the present invention
Schematic top plan view.
Fig. 2 is the device embodiment 1 of precise control fabric thickness during Electromagnetically shielding fabrics shield effectiveness test of the present invention
Cross-sectional schematic.
Fig. 3 is the device embodiment 1 of precise control fabric thickness during Electromagnetically shielding fabrics shield effectiveness test of the present invention
Elevational schematic view.
Fig. 4 is the device embodiment 1 of precise control fabric thickness during Electromagnetically shielding fabrics shield effectiveness test of the present invention
Knurled nut schematic diagram.
Fig. 5 is the device embodiment 1 of precise control fabric thickness during Electromagnetically shielding fabrics shield effectiveness test of the present invention
The schematic diagram of scale bolt.
Fig. 6 is the device embodiment 1 of precise control fabric thickness during Electromagnetically shielding fabrics shield effectiveness test of the present invention
Method of testing schematic diagram.
Specific embodiment
Embodiment 1
As shown in Figures 1 to 6, the dress of precise control fabric thickness when the present embodiment Electromagnetically shielding fabrics shield effectiveness is tested
Put, including top board and lower platen, top board is made up of upper becket 1 and the upper lamella lucida 2 being arranged in upper becket, upper gold
Belong to ring 1 to be made up of upper ring and a lower ring, upper ring is stepped with lower ring to link into an integrated entity again.Lower platen is by lower becket 3 and setting
Lower lamella lucida 4 in lower becket forms, and is connected by accurate size controlling organization between top board and lower platen.Upper metal
The thickness of ring 1 and lower becket 3 be 0.2mm-2mm, in disk form, the material of upper becket 1 and lower becket 3 with test electromagnetism
The metal material of the flange coaxial fixture 12,13 of loomage shield effectiveness device is consistent, plays outside continuity flange coaxial holder
The effect of ring 14.Upper lamella lucida 2 and lower lamella lucida 4 are all constituted transparent with machine durometer plastic by electromagnetism is involved with light,
Do not disturb electromagnetic wave during test, and can Visual Observations Observations Electromagnetically shielding fabrics sample cloth upper and lower surface and upper lower platen press close to shape
Condition, the thickness of upper lamella lucida 2 and lower lamella lucida 4 is 0.2mm-2mm, in disk form.Upper becket 1 and the thickness of upper lamella lucida 2
Should be consistent, lower becket 3 should also be as being consistent with the thickness of lower lamella lucida 4.
The lower ring inner face of upper becket 1 is provided with annular groove, the outer face of upper lamella lucida 2 is provided with and convex annular
Act the annular protrusion that matches, upper lamella lucida 2 is embedded in the annular groove of upper becket 1 by annular protrusion, equally, under
The inner face of becket 3 is provided with annular groove, and the outer face of lower lamella lucida 4 is provided with the convex annular matching with annular protrusion
Rise, lower lamella lucida 4 is embedded in the annular groove of lower becket 3 by annular protrusion, this connected mode closely, and is being tested
It is difficult during Electromagnetically shielding fabrics shield effectiveness to misplace during producing pressure.
Accurate size controlling organization includes bolt 7, location nut 8, scale bolt 5 and knurled nut 6；
Bolt 7 number has two, and the lower end of bolt 7 is fixed on lower becket 3 by screw thread or pouring type
On, and two bolts be located at lower becket same diametrically, each bolt is all nested with a location nut
8, bolt 7 and location nut 8 are used for namely going up becket 1 to top board and the position of upper lamella lucida 2 positions；Carve
Degree bolt 5 number has two, and the lower end of scale bolt 5 is fixed on lower becket 3 also by the mode of screw thread or cast, and
Two bolt relative inner on lower becket 3, each scale bolt is all nested with a knurled nut 6, scale spiral shell
Bolt 5 and knurled nut 6 are used for reading the thickness of Electromagnetically shielding fabrics sample cloth 11.Top board upper becket 1 upper ring with fixed
The contact site of position bolt 7 and scale bolt 5 is provided with four vias, and upper becket 1 is arranged on positioning spiral shell by four vias
On bolt 7 and scale bolt 5, location nut 8 is located at below upper becket 1, and knurled nut 6 is located above upper becket 1, by upper pressure
Plate can be fixed from both up and down, prevents top board from loosening.Spring 10, described spring 10 number are equipped with scale bolt 5
Mesh has two, is nested with respectively on two scale bolts 5, and is located at upper becket 1 bottom so that top board is risen with certain buffering
And supporting role.
Bolt 7, location nut 8, scale bolt 5 and knurled nut 6 be rigid plastics, high-molecular organic material or
Metal material is made, and spring 10 is made up of metal or alloy material.The height of bolt 7 and scale bolt 5 should be greater than electromagnetism
Loomage sample cloth 11 adds the thickness of pressing plate, and leaves certain length to adjust the position of top board.Location nut 8 and scale
The thickness of nut 6 is 1mm-30mm, generally circular in shape.Spring 10 has good bearing capacity and spring function, its height root
Distance according to upper becket 1 and lower becket 3 determines.
The section of scale bolt 5 is in 3/4 circular cross-section, and scale bolt 5 and is not carved with scale at threaded breach plane, essence
Spend for 0.5mm or 1mm.Scale is carved with the nut circumference face of knurled nut 6, and precision is the 1/10 or 1/20 of knurled nut circumference.
Knurled nut 6 revolve on scale bolt 5 turn around can make top board advance a minimum scale, thus be pointed to lower platen it
Between Electromagnetically shielding fabrics sample cloth thickness carry out precise control, scale is arranged at the breach plane of scale bolt 5 can make mark
Chi scale is apparent, facilitates reading.
It is additionally provided with positioning convex ring 9 in lower becket 3 bottom, by positioning convex ring 9, whole device is accurately inserted in
To on the lower coaxial holder 13 of flange coaxial tester, so that upper becket 1 and lower becket 3 and test Electromagnetically shielding fabrics
The outer shroud 14 of the flange coaxial fixture of shield effectiveness device is accurately aimed at, and is positioned, and guards against deviations, misplaces.
During Electromagnetically shielding fabrics shield effectiveness test of the present invention, the method for testing of the device of precise control fabric thickness is as follows:
A, respectively the knurled nut 6 on two scale bolts and the location nut 8 on two bolts are adjusted pine, then will
Top board plate moves up, and puts into the Electromagnetically shielding fabrics sample cloth 11 cutting between top board and lower platen；
B, the knurled nut 6 of two scale bolts of adjustment make top board gradually press to Electromagnetically shielding fabrics sample cloth 11, positioning
Nut 8 moves down with the downward pressure of upper metallic plate 1, when observing that top board completely attached to Electromagnetically shielding fabrics sample cloth 11
When stop, then tighten location nut 8, so that the position of top board is fixed so as to not being subject to the pressure of coaxial holder and changing；
C, open test Electromagnetically shielding fabrics shield effectiveness device flange on coaxial holder 12 and lower coaxial holder 13, will
During the test of this device Electromagnetically shielding fabrics shield effectiveness, the positioning convex ring 9 of the device of precise control fabric thickness is nested into test
On the lower coaxial holder 13 of Electromagnetically shielding fabrics shield effectiveness device, so that the upper becket 1 of upper lower platen and lower becket 3
Accurately corresponding with the outer shroud 14 of the coaxial holder up and down of test Electromagnetically shielding fabrics shield effectiveness device, then close up test electromagnetism
The upper coaxial holder of loomage shield effectiveness device and lower coaxial holder, and launch electromagnetic plane wave 16 to Electromagnetically shielding fabrics
The shield effectiveness of sample cloth 11 is tested；
D, be completed after separate upper coaxial holder 12 and the similarly hereinafter axle clamp of test Electromagnetically shielding fabrics shield effectiveness device
Tool 13, when removing the test of this device Electromagnetically shielding fabrics shield effectiveness, the device of precise control fabric thickness, unclamps knurled nut 6
And location nut 8 taking-up Electromagnetically shielding fabrics sample cloth 11；
E, the other Electromagnetically shielding fabrics sample cloth 11 of repetition above step test.
Embodiment 2
The device of precise control fabric thickness and embodiment 1 electromagnetism during the test of the present embodiment Electromagnetically shielding fabrics shield effectiveness
During the test of loomage shield effectiveness, the structure of the device of precise control fabric thickness is essentially identical, altogether not, is with part: on
Becket and lower becket are thrown by fine copper and are made, and thickness is 1mm, and width is 68mm.Upper lamella lucida and lower lamella lucida are by electromagnetism
Involve light all to constitute transparent with machine transparent hardness pvc plastics, thickness is 1mm, rounded, upper lamella lucida and lower lamella lucida
Diameter is that the external diameter 133mm of flange coaxial method test fixture deducts 28mm.Annular protrusion thickness be 0.2mm, setting
At the 0.4mm to 0.6mm of lamella lucida outer face.
The height of scale bolt is 30mm, a diameter of 15mm.Knurled nut thickness is 5mm, and external diameter is 21mm, and internal diameter is
15mm, is shaped as hexagon or any shape being easy to rotation process.The section of scale bolt is in 3/4 circular, the precision of scale
For 0.5mm, the scale precision of knurled nut is 1/10, i.e. 0.05mm of circumference, and knurled nut revolves on scale bolt and turns around
Top board can be made to advance a minimum scale 0.5mm.The height of bolt is 30mm, a diameter of 8mm, and location nut external diameter is
12mm, thickness is 5mm, is shaped as hexagon or any shape being easy to rotation process.Spring heights are 10mm, are wrapped in scale
On bolt, there is good carrying and rebound performance.
Positioned at lower becket bottom positioning convex ring width be 1mm, the internal diameter of positioning convex ring with test electromagnetic shielding
The external diameter 133mm of the flange coaxial fixture of fabric shield effectiveness device is consistent, can be accurate by whole device by positioning convex ring
It is nested on the lower clamp of flange coaxial tester, so that upper and lower becket and test Electromagnetically shielding fabrics shield effectiveness device
The outer shroud of flange coaxial be accurately aimed at, positioned, guard against deviations, misplace.
Above in association with accompanying drawing, the preferred embodiments of the present invention are elaborated, but the present invention is not limited to above-mentioned enforcement
Not entire body is all to have 3/4 circular cross-section breach it is also possible to be only upper partly jagged for mode, such as scale bolt, lower part
For circular cross-section, and for example, metallic plate is also not necessarily limited to annular groove and annular protrusion fitting connection with the connected mode of lamella lucida,
Can be using the other connected modes that can achieve identical function.In a word, even if various changes can be made to the present invention, as long as in test electricity
By being arranged on Electromagnetically shielding fabrics sample cloth between top board and lower platen during magnetic shield fabric shield effectiveness, top board with
Pass through the connection of accurate size controlling organization between pressing plate to still fall among protection scope of the present invention.
Claims (9)
1. during a kind of test of Electromagnetically shielding fabrics shield effectiveness precise control fabric thickness device it is characterised in that: in inclusion
Pressing plate and lower platen, are connected by accurate size controlling organization between top board and lower platen, and described top board is by upper becket
(1) and upper lamella lucida (2) composition that is arranged in becket, lower platen by lower becket (3) and is arranged in lower becket
Lower lamella lucida (4) composition；
Described accurate size controlling organization includes bolt (7), location nut (8), scale bolt (5) and knurled nut (6)
Composition；Bolt (7) number has two, is separately positioned on lower becket (3), and two bolts are located at lower becket
Same diametrically, each bolt is all nested with a location nut (8), two location nuts (8) are in bolt (7)
On set location be in same level；Scale bolt (5) number has two, is separately positioned on upper two of lower becket (3)
Inside bolt, each scale bolt is all nested with a knurled nut (6)；Upper becket (1) and bolt and scale
The contact site of bolt is provided with four vias, and upper becket (1) is arranged on bolt (7) and scale spiral shell by four vias
On bolt (5), location nut (8) is located at below upper becket (1), and knurled nut (6) is located above upper becket (1).
2. the device of precise control fabric thickness when Electromagnetically shielding fabrics shield effectiveness according to claim 1 is tested, its
It is characterised by: the spring (10) also including being nested with scale bolt, described spring (10) number has two, is nested with respectively two
On individual scale bolt (5), and it is located at upper becket (1) bottom.
3. the device of precise control fabric thickness when Electromagnetically shielding fabrics shield effectiveness according to claim 1 is tested, its
It is characterised by: the section of scale bolt (5) is in 3/4 circular cross-section, is carved with scale, scale at the breach plane of scale bolt (5)
Scale is carved with the nut circumference face of nut (6).
4. precise control fabric thickness when the Electromagnetically shielding fabrics shield effectiveness according to claim 1 any one is tested
Device it is characterised in that: the inner face of upper becket (1) is provided with annular groove, the outer face of upper lamella lucida (2) is provided with
The annular protrusion matching with annular protrusion, upper lamella lucida (2) is connected with the annular groove of upper becket (1) by annular protrusion
Connect.
5. the device of precise control fabric thickness when Electromagnetically shielding fabrics shield effectiveness according to claim 4 is tested, its
It is characterised by: described upper becket (1) is identical with the thickness of upper lamella lucida (2).
6. precise control fabric thickness when the Electromagnetically shielding fabrics shield effectiveness according to claim 1 any one is tested
Device it is characterised in that: the inner face of lower becket (3) is provided with annular groove, the outer face of lower lamella lucida (4) is provided with
The annular protrusion matching with annular protrusion, lower lamella lucida (4) is connected with the annular groove of lower becket (3) by annular protrusion
Connect.
7. the device of precise control fabric thickness when Electromagnetically shielding fabrics shield effectiveness according to claim 6 is tested, its
It is characterised by: lower becket (3) is identical with the thickness of lower lamella lucida (4).
8. precise control fabric thickness when the Electromagnetically shielding fabrics shield effectiveness according to claim 1 any one is tested
Device it is characterised in that: be additionally provided with positioning convex ring (9) in lower becket (3) bottom.
9. the device of precise control fabric thickness when Electromagnetically shielding fabrics shield effectiveness according to claim 8 is tested, its
It is characterised by that operational approach is as follows:
A, respectively the knurled nut (6) on two scale bolts and the location nut (8) on two bolts are adjusted pine, then will
Top board moves up, and puts into Electromagnetically shielding fabrics sample cloth (11) cutting between top board and lower platen；
Knurled nut (6) on b, two scale bolts of adjustment makes top board gradually press to Electromagnetically shielding fabrics sample cloth (11), when
Stop when observing that top board is completely attached to Electromagnetically shielding fabrics sample cloth (11), then tighten location nut (8), make top board
Position is fixed；
C, the upper coaxial holder (12) of flange coaxial method opening test Electromagnetically shielding fabrics shield effectiveness device and similarly hereinafter axle clamp
Tool (13), the positioning convex ring of the device of precise control fabric thickness when this device Electromagnetically shielding fabrics shield effectiveness is tested
(9) it is nested on the lower coaxial holder (13) of test Electromagnetically shielding fabrics shield effectiveness device, so that the upper gold of upper and lower pressing plate
The upper coaxial holder (12) of genus ring (1) and lower becket (3) and test Electromagnetically shielding fabrics shield effectiveness device and similarly hereinafter axle clamp
The outer shroud (14) of tool (13) accurately corresponds to, and then closes up the upper coaxial holder (12) of test Electromagnetically shielding fabrics shield effectiveness device
With lower coaxial holder (13), and launch electromagnetic plane wave (16) shield effectiveness of Electromagnetically shielding fabrics sample cloth (11) is surveyed
Examination；
D, be completed after separate the test upper coaxial holder (12) of Electromagnetically shielding fabrics shield effectiveness device and lower coaxial holder
(13) when, removing the test of this device Electromagnetically shielding fabrics shield effectiveness, the device of precise control fabric thickness, unclamps knurled nut
(6) and location nut (8) take out Electromagnetically shielding fabrics sample cloth (11)；
E, other Electromagnetically shielding fabrics sample cloth (11) of repetition above step test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410151114.6A CN103970154B (en) | 2014-04-16 | 2014-04-16 | Device for accurately controlling fabric thickness in shielding effectiveness test of electromagnetic shielding fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410151114.6A CN103970154B (en) | 2014-04-16 | 2014-04-16 | Device for accurately controlling fabric thickness in shielding effectiveness test of electromagnetic shielding fabric |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103970154A CN103970154A (en) | 2014-08-06 |
| CN103970154B true CN103970154B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410151114.6A Active CN103970154B (en) | 2014-04-16 | 2014-04-16 | Device for accurately controlling fabric thickness in shielding effectiveness test of electromagnetic shielding fabric |
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| CN (1) | CN103970154B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017172292A1 (en) * | 2016-04-01 | 2017-10-05 | Illinois Tool Works Inc. | Integrated wedge for testing fabric on side acting pneumatic grips |
| CN108169580B (en) * | 2017-12-11 | 2020-02-07 | 中原工学院 | Fiber arrangement box and method for measuring electromagnetic characteristics of shielding yarns in different spatial arrangements |
| CN108107275B (en) * | 2017-12-11 | 2020-08-28 | 中原工学院 | Device and method for testing shielding efficiency of curved electromagnetic shielding fabric |
| CN108508242B (en) * | 2018-07-03 | 2024-02-09 | 中国人民解放军61489部队 | Flange coaxial device for testing shielding effectiveness of material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20080187088A1 (en) * | 2006-07-02 | 2008-08-07 | Earl Jacobson | Track mounted steam generator man-way radiation shield door system |
| US7584550B2 (en) * | 2006-12-27 | 2009-09-08 | Sonoco Development, Inc. | Apparatus and method for measuring waviness of sheet materials |
| CN202452928U (en) * | 2011-12-23 | 2012-09-26 | 苏州工业职业技术学院 | Thickness detecting jig |
| CN102937679B (en) * | 2012-11-02 | 2014-10-22 | 中原工学院 | Device and method for testing shielding effectiveness of electromagnetic shielding fabric |
| CN202956075U (en) * | 2012-11-27 | 2013-05-29 | 江苏苏北砂轮厂有限公司 | Grinding wheel thickness detection device |
| CN203224190U (en) * | 2013-02-27 | 2013-10-02 | 昆山市曙光照明器材有限公司 | Simple cup height detector |
| CN203375911U (en) * | 2013-08-24 | 2014-01-01 | 盐城纺织职业技术学院 | Quick testing device for fabric thickness |
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