Test system and test method of radiation-proof fabric for clothes
A testing system and radiation protection technology, applied in the direction of using wave/particle radiation for material analysis, measuring devices, analyzing materials, etc., can solve the problems of large differences in radiation protection efficiency, and it is difficult to better represent the shielding efficiency of radiation protection clothing, etc. To achieve the effect of clear principle, simple test method and reasonable design
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Embodiment 1
[0013] Embodiment 1: as figure 1 As shown, a test system for wearing anti-radiation fabrics includes a test bench 1, an analog signal generator 4 and a spectrum analyzer 6. The test bench 1 is provided with a horizontal track 7, and the transmitting antenna frame 8 and the receiving antenna frame 2 are along the horizontal track. 7 slide left and right, a fabric support frame 9 is arranged between the transmitting antenna frame 8 and the receiving antenna frame 2, the transmitting antenna frame 8 is provided with a transmitting antenna 3, the receiving antenna frame 2 is provided with a receiving antenna 5, and the transmitting antenna 3 is connected to the analog signal The generator 4 is connected, and the receiving antenna 5 is connected with the spectrum analyzer.
[0014] The test bench 1, transmitting antenna frame 8, receiving antenna frame 2 and fabric support frame 9 are made of foamed polyethylene or bakelite (also called phenolic plastic) or wood.
[0015] The tran...
Embodiment 2
[0025] Embodiment 2: as figure 2 As shown, let R be the radius of the fabric to be tested, and a, b, c, d are the structural positions of the receiving antenna. In this embodiment, the test is carried out in a shielded dark room with a test temperature of 21°C and a humidity of 60%.
[0026] 1) Fix the circular anti-radiation fabric 10 with a diameter of 30cm vertically and flatly on the center of the fabric support frame 9, the analog signal generator 4 transmits a sine wave with a frequency of 1kHz and a power of 3dBm, the transmitting antenna and the receiving antenna Both are loop antennas, and the centers of the transmitting antenna, the receiving antenna and the circular fabric are coaxially placed on the antenna frames on both sides of the fabric support frame. 2) Adjust the distance between the transmitting antenna and the fabric (the transmitting distance is 300cm), adjust the distance between the receiving antenna and the fabric (the receiving distance is 0cm) and t...
example 3
[0029] Example 3: This example is tested in an open space with a test temperature of 21°C and a humidity of 60%:
[0030] 1) Fix the circular anti-radiation fabric with a diameter of 60cm vertically and flatly on the center of the fabric support frame, transmit a square wave with a frequency of 1kHz and a power of 3dBm, the transmitting antenna and the receiving antenna are loop antennas, and the transmitting antenna , the center of the receiving antenna and the circular fabric are coaxially placed on the antenna frames on both sides of the fabric support frame.
[0031] 2) Adjust the distance between the transmitting antenna and the fabric (the transmitting distance is 0cm), adjust the distance between the receiving antenna and the fabric (the receiving distance is 30cm) and the relative positions on the y and z planes such as figure 2 , to test the intensity P of electromagnetic radiation at different points 1 .
[0032] 3) Remove the anti-radiation fabric and test the no...
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Abstract
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