Sectioned tubular measurement device and test method for shielding effectiveness of electromagnetic shielding fabric
A technology of shielding effectiveness and measuring devices, which is applied in the intersecting fields of textile and clothing science and electromagnetics, can solve the problem of difficulty in ensuring the convenience, pertinence and reliability of test results, and the difficulty in correctly and reasonably evaluating the shielding performance of electromagnetic shielding fabrics, signal reception and It is difficult to adjust the launch distance flexibly, so as to achieve the effect of accurate and reliable test results, increased universality and low cost
Inactive Publication Date: 2013-03-20
ZHONGYUAN ENGINEERING COLLEGE
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to provide a low-cost, easy-to-operate, and resultant Accurate Segmented Tube Measuring Device and Testing Method of Electromagnetic Shielding Fabric Shielding Effectiveness
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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[0023] Signal transmitter 1 and fabric block 4 connect to 2 threads through the launch wire buckle. The fabric blocking puppet 4 is the hollow 8 and the inner block 6, the fabric block 4 is close to the transmitted wire buckle 2 with external thread 31, the blocking ring is close to the fabric near the fabricThere are internal thread 7 with 18 clamping pipes; at least two handle holes 3 on the outside of the fabric block 4, which is used to install the handle. The fabric block 4 is installed with a bracket 9;, Tighten the signal transmitting antenna fixed rod 10 tightly in the internal thread hole with a nut. The signal transmitting antenna fixed rod 10 has a threaded to fix the signal transmitting antenna.
[0024] Signal receiving tube 20 and fabric clip pipe 18 connect to the internal thread 33 of the receiving wire buckle 19 through the outer thread of the holding pipe.The outer diameter is smaller than the outer diameter of the fabric clamp, and its size difference 16 is equa...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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A sectioned tubular measurement device for shielding effectiveness of electromagnetic shielding fabric is mainly composed of a signal emitting end and a signal receiving end, both the signal emitting end and a signal receiving end are provided with supports, the signal emitting end is main formed by sequentially connecting a signal emitting tube, an emitting screw thread and a fabric stopping tube, and the signal receiving end is composed of a signal receiving tube, a receiving screw thread and a fabric clamping tube. A signal emitting antenna is arranged on the bottom face of the signal emitting tube, and a signal receiver is arranged on the bottom face of the signal receiving tube. The sectioned tubular measurement device is excellent in performance and accurate in test result, meets the required standard of a shielding effectiveness test, and provides reference for development, evaluation and detection of the electromagnetic shielding fabric. An adopted method is simple and convenient to operate and suitable for multiple repeated evaluation tests of the electromagnetic shielding fabric, can fill the blank in the field of shielding effectiveness tests of the electromagnetic shielding fabric, provides basis for evaluation, development and research of the electromagnetic shielding fabric, and fastens developing steps of the electromagnetic shielding fabric.
Description
Technical field [0001] The present invention is a test device and method of textile clothing science and electromagnetic cross -crossing technology, which involves electromagnetic shielding fabric shielding performance. Background technique [0002] Electromagnetic shielding fabrics are also called anti -electromagnetic radiation fabrics, which can be used to make various shapes of flexible masks shielding body, anti -electromagnetic radiation clothing, and substrates of shielding composite materials.Health protection and other fields are widely used.Therefore, electromagnetic shielding fabrics are increasingly valued, and their related technologies are developing rapidly. [0003] Shielding performance is a key indicator of evaluating electromagnetic shielding fabrics.However, so far, a device that has not yet seen the performance of electromagnetic shielding fabric shielding performance has not yet appeared, so it is difficult to correctly and reasonably evaluate the shielding ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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IPC IPC(8): G01R29/08
Inventor 刘哲汪秀琛
Owner ZHONGYUAN ENGINEERING COLLEGE
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