CN106291128A - A kind of detection method of aviation magnetic radiation protective garment - Google Patents
A kind of detection method of aviation magnetic radiation protective garment Download PDFInfo
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- CN106291128A CN106291128A CN201610752339.6A CN201610752339A CN106291128A CN 106291128 A CN106291128 A CN 106291128A CN 201610752339 A CN201610752339 A CN 201610752339A CN 106291128 A CN106291128 A CN 106291128A
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- dummy
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
- G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
- G01R29/0835—Testing shielding, e.g. for efficiency
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- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The invention discloses the detection method of a kind of aviation magnetic radiation protective garment, it is first to certain position of the dummy horizontal polarization at certain Frequency point not wearing electromagnetic radiation protection garment, vertical polarization both direction is tested respectively, then to the dummy's corresponding position wrapped up by electromagnetic radiation protection garment in the horizontal polarization of respective frequencies point, vertical polarization both direction is tested respectively, thus obtain the shield effectiveness SE=20 × lg (E0/E1) of electromagnetic radiation protection garment, wherein, electric field intensity when E0 is not wear electromagnetic radiation protection garment, electric field intensity when E1 is to wear electromagnetic radiation protection garment.The present invention is that the foundation of aviation magnetic radiation protective garment detects foundation strictly, reliably, and this detection method has the advantage that detection is accurate, easy to operate.
Description
Technical field
The present invention relates to electromagnet radiation detection field, more particularly, it relates to a kind of aviation magnetic radiation protective garment
Detection method.
Background technology
Along with the development of science and technology, electromagnetic shielding material by electroplating surface formula develop into metallic fiber and textile fabric blending,
The forms such as natural plant fibre Final finishing, the electromagnetism that the detection mode of material is also improved to field strength attenuation by measurement sheet resistance is held concurrently
Hold and measure.China the most thus formulated GB/T30142-2013 " plane electromagnetic shielding material shield effectiveness measuring method ",
GJB6190-2008 " electromagnetic shielding material shield effectiveness measuring method " is in order to the detection of specification electromagnetic shielding material.
There is larger difference in electromagnetic radiation protection garment finished product and electromagnetic shielding material, need to rely on the shielding properties of material itself
And the enclosed construction of " less than minimal wave length 1/2 " magnitude combines and just can play due shielding action.Therefore, the electricity of material
Magnetic shield usefulness can not characterize the electromagnet shield effect of finished product, and electromagnetic radiation protection garment finished product need to carry out the shield effectiveness of entirety
Detection.
At present, abroad the electromagnetic shielding of electromagnetic radiation protection garment is detected and be classified as electromagnetic compatibility one class, and do not have special
Detection method；China, for meeting the market demand, has promulgated GB/T23463-2009 " protective clothes microwave radiation protecting clothes ", it is stipulated that
Microwave radiation protecting clothes are applicable for use with the method such as metallic fiber blending, metallization of fabric processing, and to produce the reflection-type prepared micro-
Wave radiation protective garment, be also applied for use absorbing material decay microwave radiation absorption-type microwave radiation protecting clothes, 300MHz～
300GHz electromagnetic radiation scale；Including supporting closed, locally protection various structures form；The contents such as testing requirement are general
Property relatively strong, be partial to civilian.But no matter aviation magnetic radiation protective garment is from using environment or using the time, all to electromagnetic screen
Cover and have higher requirements.Accordingly, it would be desirable to design is a kind of strict, specification, can preferably reflect that electromagnetic radiation protection garment is overall, actual
The detection method of shield effectiveness.
Summary of the invention
For the defect overcoming prior art to exist, the present invention provides the detection side of a kind of aviation magnetic radiation protective garment
Method.
The technical solution adopted for the present invention to solve the technical problems is:
Design the detection method of a kind of aviation magnetic radiation protective garment, comprise the following steps:
1) being through by electromagnetic radiation protection garment with dummy, fixing dummy's foot, leg, then by electromagnetic radiation protection garment
Retreat to dummy's foot；
2) field intentisy meter is placed on the position of dummy's domestic demand test, and field intentisy meter plastic foam or sponge are fixed, leading of field intentisy meter
Line is taken advantage of a situation and is drawn in dummy；
3) antenna is launched parallel to the ground vertical with human body dummy face, contour with test position；
4) launching antenna and send field intensity EA under horizontal and vertical state respectively, field intentisy meter correspondence received field strength is E0, its
In, the frequency launching antenna takes multiple frequency values from 10kHz-40GHz；
5) electromagnetic radiation protection garment being through dummy and is wrapped up by dummy's all sites, the wire of field intentisy meter is from leg opening, sleeve
Mouth passes；
6) launching antenna and send field intensity EA under horizontal and vertical state respectively, field intentisy meter correspondence received field strength is E1, its
In, launch the frequency of antenna and step 4) identical；
7) above-mentioned steps 4 is repeated) to step 6) no less than 3 times；
8) electromagnetic radiation protection garment is at shield effectiveness SE=20 both horizontally and vertically × lg (E0/E1), and both is flat
Average is that electromagnetic radiation protection garment is at correspondence test position and the shield effectiveness of respective frequencies point.
In above-mentioned steps 4) and step 6) in, the initial strength of field intensity EA is not less than 200v/m.
In above-mentioned steps 2) in, test position is the one in the head of dummy, chest and abdominal part.
During above-mentioned detection, the temperature of detection environment is 18-28 DEG C, and humidity is 40-70%.
During above-mentioned detection, launch the horizontal range r >=2D of antenna and field intentisy meter2/ λ, wherein, D is for launching antenna
Diameter, λ is the operation wavelength launching antenna.
Implement the detection method of the present invention a kind of aviation magnetic radiation protective garment, have the advantages that
The present invention is that the foundation of aviation magnetic radiation protective garment detects foundation strictly, reliably, and this detection method has inspection
Survey accurate, easy to operate advantage, standard operation process, provide for electromagnetic radiation protection garment bulk shielding usefulness and ensure, specification
Electromagnetic radiation protection garment quality standard, social benefit is obvious, economic benefits.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the schematic diagram of the detection method of aviation magnetic radiation protective garment of the present invention.
In figure: 1-head test position, 2-chest test position, 3-abdominal part test position.
Detailed description of the invention
In order to be more clearly understood from the technical characteristic of the present invention, purpose and effect, now comparison accompanying drawing describes in detail
The detailed description of the invention of the present invention.
The detection method of aviation magnetic radiation protective garment of the present invention, comprises the following steps:
1) being through by electromagnetic radiation protection garment with dummy, fixing dummy's foot, leg, then by electromagnetic radiation protection garment
Retreating to dummy's foot, wherein dummy has the feature of electromagnetic transparent；
2) field intentisy meter is placed on the position of dummy's build-in test, and field intentisy meter plastic foam or sponge are fixed, the wire of field intentisy meter
Take advantage of a situation and draw in dummy, wherein, respectively head, chest and the abdominal part of dummy is tested, refer to Fig. 1；
3) antenna is launched parallel to the ground vertical with human body dummy face, contour with test position, wherein, launch antenna
Horizontal range r >=2D with field intentisy meter2/ λ, wherein, D is for launching antenna diameter, and λ is the operation wavelength launching antenna；
4) launching antenna and send field intensity EA under horizontal and vertical state respectively, field intentisy meter correspondence received field strength is E0, its
In, the frequency launching antenna takes multiple frequency values from 10kHz-40GHz, and the initial strength of field intensity EA is not less than 200v/m；
5) electromagnetic radiation protection garment being through dummy and is wrapped up by dummy's all sites, the wire of field intentisy meter is from leg opening, sleeve
Mouth passes；
6) launching antenna and send field intensity EA under horizontal and vertical state respectively, field intentisy meter correspondence received field strength is E1, its
In, launch the frequency of antenna and step 4) identical；
7) above-mentioned steps 4 is repeated) to step 6) no less than 3 times；
8) electromagnetic radiation protection garment is at shield effectiveness SE=20 both horizontally and vertically × lg (E0/E1), and both is flat
Average is that electromagnetic radiation protection garment tests position and the shield effectiveness of respective frequencies point in correspondence, and unit is decibel (dB).
During above-mentioned detection, it is proposed that detection environment temperature be 18-28 DEG C, humidity is 40-70%, and for shielding
Darkroom or half darkroom；During detection, ensure that dummy does not rocks, do not offsets.
This detection method is applicable to play electromagnetic wave in 10kHz-40GHz frequency range the aviation occupant of shielding action and uses
Electromagnetic radiation protection garment.
In above-mentioned steps 4) in, the frequency launching antenna takes a foundation: the applicable frequency specified at electromagnetic radiation protection garment
In the range of, in addition to the shield effectiveness under initial and end frequency and 915MHz, 1.2GHz, 2.45GHz must be surveyed, at whole applicable frequency model
In enclosing, select each frequency according to measuring point spacing each under logarithmic coordinates close to equal principle, measure the shielding effect under multiple frequency
Energy.Each frequency range measure dot number requirement of table 1 shield effectiveness.
Each frequency range measure dot number requirement of table 1 shield effectiveness
| Frequency range | Frequency points (containing initial and end frequency) should be surveyed |
| 10kHz～1GHz | ≥6 |
| 1.1GHz～10GHz | ≥6 |
| 10.1GHz～40GHz | ≥6 |
Tested electromagnetic radiation protection garment is had claimed below by this detection method: tested exemplar material therefor should have electromagnetism
Radiation protection function；Model meets dummy's build requirement；Human body can be all coated with by structure, i.e. trunk, extremity brothers,
Head face all should be wrapped by.In the case of tested position does not has shielding protection, the electromagnetic shielding test at this position does not has
Meaning.
Dummy is had claimed below by this detection method: the dummy being made up of electromagnetic wave transparent material (such as glass fibre),
Dummy's height is 175cm or 180cm, male, dummy's whole body hollow, has base to support, according to the size of field intentisy meter after dummy
The suitable opening of brain, back part, in order to lay reception antenna.
This detection method has claimed below to launching antenna pointed end with the horizontal range of field intentisy meter: r >=2D2/ λ, wherein,
R is the spacing of field intentisy meter and transmitting antenna, D is the diameter launching antenna, and λ is the operation wavelength launching antenna, the unit of three
For rice (m).For simplifying calculating, convenient test, it is possible to be configured the horizontal range launching antenna pointed end with field intentisy meter by table 2.
The horizontal range of antenna pointed end and field intentisy meter launched by table 2
| Test frequency | Launch the horizontal range of antenna pointed end and field intentisy meter |
| 10kHz～1GHz | 1.5m |
| 1GHz～18GHz | 1m |
| 18GHz～40GHz | 0.5m (or 1m) |
At same test position, same Frequency point, same transmitting direction (horizontal/vertical), retest number of times should not lack
In 3 times, it is constant that it launches field intensity.If rocking occurs in dummy in test process, rotate, move, correction need to be re-started, again
At this position, this Frequency point tests.
During electromagnetic radiation protection garment wears off, action is mild, ensures that human body dummy does not moves, do not rocks, corresponding sends out as far as possible
Penetrate aerial angle constant.For ensureing that dummy is stable, electromagnetic radiation protection garment can not all be taken off by whole test process.
Acceptable criterion foundation: the shield effectiveness of electromagnetic radiation protection garment is not less than 20dB, is certified products.
Above in conjunction with accompanying drawing, embodiments of the invention are described, but the invention is not limited in above-mentioned concrete
Embodiment, above-mentioned detailed description of the invention is only schematic rather than restrictive, those of ordinary skill in the art
Under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, it may also be made that a lot
Form, within these belong to the protection of the present invention.
Claims (5)
1. the detection method of an aviation magnetic radiation protective garment, it is characterised in that comprise the following steps:
1) electromagnetic radiation protection garment is through with dummy, fixing dummy's foot, leg, then electromagnetic radiation protection garment is retreated to
Dummy's foot；
2) field intentisy meter is placed on the position of dummy's domestic demand test, and field intentisy meter plastic foam or sponge are fixed, and the wire of field intentisy meter is suitable
Gesture is drawn in dummy；
3) antenna is launched parallel to the ground vertical with human body dummy face, contour with test position；
4) launching antenna and send field intensity EA under horizontal and vertical state respectively, field intentisy meter correspondence received field strength is E0, wherein, sends out
The frequency penetrating antenna takes multiple frequency values from 10kHz-40GHz；
5) electromagnetic radiation protection garment being through dummy and is wrapped up by dummy's all sites, the wire of field intentisy meter is worn from leg opening, cuff
Go out；
6) launching antenna and send field intensity EA under horizontal and vertical state respectively, field intentisy meter correspondence received field strength is E1, wherein, sends out
Penetrate frequency and the step 4 of antenna) identical；
7) above-mentioned steps 4 is repeated) to step 6) no less than 3 times；
8) electromagnetic radiation protection garment is in shield effectiveness SE=20 both horizontally and vertically × lg (E0/E1), both meansigma methodss
For electromagnetic radiation protection garment at correspondence test position and the shield effectiveness of respective frequencies point.
The detection method of aviation magnetic radiation protective garment the most according to claim 1, it is characterised in that in described step
4) and step 6) in, the initial strength of field intensity EA is not less than 200v/m.
The detection method of aviation magnetic radiation protective garment the most according to claim 1, it is characterised in that in described step
2), in, test position is respectively the head of dummy, chest and abdominal part.
The detection method of aviation magnetic radiation protective garment the most according to claim 1, it is characterised in that in whole detection
During, the temperature of detection environment is 18-28 DEG C, and humidity is 40-70%.
The detection method of aviation magnetic radiation protective garment the most according to claim 1, it is characterised in that in whole detection
During, launch the horizontal range r >=2D of antenna and field intentisy meter2/ λ, wherein, D is for launching antenna diameter, and λ is to launch antenna
Operation wavelength.
Priority Applications (1)
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| CN201610752339.6A CN106291128A (en) | 2016-08-29 | 2016-08-29 | A kind of detection method of aviation magnetic radiation protective garment |
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|---|---|---|---|
| CN201610752339.6A CN106291128A (en) | 2016-08-29 | 2016-08-29 | A kind of detection method of aviation magnetic radiation protective garment |
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| CN106291128A true CN106291128A (en) | 2017-01-04 |
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Cited By (4)
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| CN108089066A (en) * | 2017-12-11 | 2018-05-29 | 中原工学院 | A kind of method and device for measuring Electromagnetically shielding fabrics single thread region electromagnetic parameter |
| CN108169579A (en) * | 2017-12-11 | 2018-06-15 | 中原工学院 | The measuring method of Electromagnetically shielding fabrics yarn overlying region electromagnetic parameter |
| CN113884774A (en) * | 2021-08-30 | 2022-01-04 | 西安工程大学 | Device and method for continuously testing electromagnetic wave reflection performance of electromagnetic shielding clothes |
| CN118150986A (en) * | 2024-05-10 | 2024-06-07 | 合肥中航天成电子科技有限公司 | Performance detection equipment for chip module package shell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089066A (en) * | 2017-12-11 | 2018-05-29 | 中原工学院 | A kind of method and device for measuring Electromagnetically shielding fabrics single thread region electromagnetic parameter |
| CN108169579A (en) * | 2017-12-11 | 2018-06-15 | 中原工学院 | The measuring method of Electromagnetically shielding fabrics yarn overlying region electromagnetic parameter |
| CN108169579B (en) * | 2017-12-11 | 2020-04-24 | 中原工学院 | Method for measuring electromagnetic parameters of electromagnetic shielding fabric yarn overlapping area |
| CN108089066B (en) * | 2017-12-11 | 2020-05-01 | 中原工学院 | Method and device for measuring electromagnetic parameters of single yarn area of electromagnetic shielding fabric |
| CN113884774A (en) * | 2021-08-30 | 2022-01-04 | 西安工程大学 | Device and method for continuously testing electromagnetic wave reflection performance of electromagnetic shielding clothes |
| CN113884774B (en) * | 2021-08-30 | 2024-04-26 | 西安工程大学 | Device and method for continuously testing electromagnetic wave reflection performance of electromagnetic shielding clothing |
| CN118150986A (en) * | 2024-05-10 | 2024-06-07 | 合肥中航天成电子科技有限公司 | Performance detection equipment for chip module package shell |
| CN118150986B (en) * | 2024-05-10 | 2024-07-26 | 合肥中航天成电子科技有限公司 | Performance detection equipment for chip module package shell |
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