CN105510715B - A kind of silver fiber fabric electric conductivity test method and device - Google Patents
A kind of silver fiber fabric electric conductivity test method and device Download PDFInfo
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- CN105510715B CN105510715B CN201610041744.7A CN201610041744A CN105510715B CN 105510715 B CN105510715 B CN 105510715B CN 201610041744 A CN201610041744 A CN 201610041744A CN 105510715 B CN105510715 B CN 105510715B
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- fiber fabric
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- General Physics & Mathematics (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a kind of silver fiber fabric conduction system safety testing devices, including test board and test macro, it is provided on test board for fixing silver fiber fabric and the positive conductive column for testing silver fiber fabric electric conductivity and the more negative conductive columns around positive conductive column, test macro include one connect with positive conductive column compare the resistance value transimiison analysis imaging device of analysis for the resistance testing device of test resistance value and by resistance test value and a reference value, resistance testing device is connect with resistance value transimiison analysis imaging device.The present invention passes through while measuring the resistance value between silver fiber fabric difference, then it is compared with a reference value, automatically generate resistance value distribution figure and resistance change curve, obtain the electric conductivity of silver fiber fabric, indicate the electromagnet shield effect of silver fiber fabric, the radiation-proof effect of silver fiber fabric can be used to evaluate, test speed is fast, high-efficient, and test device is simple, test method is easy, test result is accurate.
Description
Technical field
The invention belongs to fabric electromagnet shield effect the field of test technology, and in particular to a kind of silver fiber fabric electric conductivity survey
Method for testing and device.
Background technique
For the angle of science, electromagnetic wave is one kind of energy, and all objects higher than absolute zero can all release electricity
Magnetic wave.While electromagnetic wave brings life convenient and social progress, pollution also is brought to our environment, endangers me
Health, electromagenetic wave radiation almost spreads over world every nook and cranny, and Contamination of Electromagnetic Wave is not seen, can not touch, be can't smell, but nothing
Place does not have, and human body is constantly in certain energy electromagnetic wave radiation environment.Therefore, people, which begin one's study, develops various radiation protections productions
Product shield electromagenetic wave radiation, and wherein exposure suit is concerned.In recent years, the radiation-proof fabric of various materials meet the tendency of and
It is raw.
Electromagnetic shielding action is the electromagnetic field weakened in some area's (not including these sources) as caused by certain radiation sources
Effect, efficiently controls electromagnetic wave from a certain region to another area radiation and the harm that generates, action principle are using low
The conductor material of resistance, due to conductor material to electromagnetic energy flow have reflection and guiding function, conductor material internal generate with
The opposite electric current of source electromagnetic field and magnetic polarization are usually indicated with shield effectiveness to weaken the radiation effect of source electromagnetic field.Silver
With good electric conductivity, this performance be general conductive metal several times so that hundreds times, formed loop closed magnetic field
It is stronger.Therefore, one layer of permanent combination of fine silver is formed into silver fiber on the fiber surface, is made into the fabric that silver fiber is made into anti-
The antiradiation effect for radiating clothes is also just more preferable.Silver fiber fabric maintains original textile attribute, and it is all more to impart it
Mystery function possessed by silver also has and adjusts body temperature, sterilizes the efficiency de-tasted, extensive using field, can meet electronics, electric power
The requirement of the industries electromagnetic protections such as operation protection, communication, military project, aerospace, medical instrument.
Qualified silver fiber fabric requires silver coating consistency of thickness, complies with standard, thus reach the electromagnetic shielding of requirement
Efficiency.Using existing silver-plated technology, generally there are certain deviations for the silver coating of fiber surface, and silver coating uneven thickness is because of silver
Fabric lining different parts electric conductivity is inconsistent, directly affects electromagnet shield effect, will lead to the radiation protection clothing or object of finished product
The shielding property of product is not up to standard.Does but how on earth silver fiber fabric measure shielding electromagnetic waves efficiency?
Application No. is 201410168874.8 patents of invention to disclose a kind of silver fiber resistance testing device, including bottom
, it is provided with testing jig on the pedestal, is provided with two connecting columns for being used to support and being oriented to silver fiber to be measured on the tester rack,
The both ends of the silver fiber to be measured, which are respectively equipped with to one initial tension of silver fiber both ends to be measured application, can will ride upon two connecting columns
Between the drawing part that is straightened of silver fiber level to be measured, be connected with for surveying in the silver fiber to be measured between two connecting column
Try the test instrumentation of the partial ohmic.The invention can only test the resistance value of a silver fiber different parts, and silver fiber is in hook
During needle, braiding, silver coating may be scratched, and the test result of the resistance value of single silver fiber cannot be guaranteed silver fiber face
The effectiveness of material.
So far without it is a kind of it is efficient, convenient, accurately for really reflect silver fiber fabric electric conductivity test method and
Device is current area research technical staff's urgent problem to be solved.
Summary of the invention
In view of the deficienciess of the prior art, the technical problem to be solved by the invention is to provide a kind of silver fiber fabrics
Electric conductivity test method and device, while measuring the resistance value between the multiple points of silver fiber fabric, test device is simple, test side
Method is easy, test result is accurate, reflects the electric conductivity of silver fiber fabric, evaluates the actual electromagnetic shield effectiveness of silver fiber fabric.
The technical scheme is that a kind of silver fiber fabric conduction system safety testing device, including test board and test macro,
It is provided with the positive conductive column for fixing silver fiber fabric and test silver fiber fabric electric conductivity on the test board and surrounds
More negative conductive columns around positive conductive column, the test macro include one connect with positive conductive column for testing electricity
The resistance testing device of resistance value and for filling the compare resistance value transimiison analysis imaging of analysis of resistance test value and a reference value
It sets, resistance testing device is connect with resistance value transimiison analysis imaging device.
Further, the resistance value transimiison analysis imaging device includes CPU, signal receiving module, analysis module, comparison
Module, memory module, signal output module, display, the signal receiving module, analysis module, contrast module, storage mould
Block, signal output module are connect with CPU respectively, and display is connect with signal output module, for showing test result, store mould
Block for storing data, there is real time data and historical data, can consult at any time.
Further, the invention also includes the pedestal for being used to support test board and for it is dust-proof, every wet upper cover, in pedestal
On be provided with attaching plug and rotary switch, in test, upper cover can avoid the influences tests such as dust, moisture in air and ties
Fruit.
Further, the rotary switch is equipped with a cathode contact and around cathode contact is equally distributed and cathode
The corresponding cathode contact of conductive column quantity, cathode contact connect resistance testing device, each cathode contact is distinguished in order
Negative conductive column is connected, the contact of " 0 " shelves is additionally provided on the rotary switch.
Further, knob and scale corresponding with cathode contact position are additionally provided on the rotary switch.
Further, the conductive top end is tip, and silver fiber fabric is facilitated to penetrate, negative conductive column quantity is 4~
12, negative conductive column is uniformly distributed around positive conductive column, and radius of a circle is 3cm~10cm.
Further, the test board is equipped with one for testing the adjusting dress of different wide cut silver fiber fabric electric conductivity
It sets, the regulating device includes adjusting substrate, guide rail, sliding block and threaded rod, is threadedly coupled between sliding block and threaded rod, and base is adjusted
Plate be equipped with for adjust negative conductive column position provide benchmark using positive conductive column as the concentric circles of the different-diameter in the center of circle, it is logical
Rotating threaded rod is crossed, negative conductive column is driven to slide on guide rail, adjusts the distance between negative conductive column and positive conductive column,
Different wide cut silver fiber fabric electric conductivity can be tested.
The test method of silver fiber fabric conduction system safety testing device, includes the following steps:
(1) need to silver fiber fabric to be tested be laid on conductive column, allow conductive column tip pass through silver fiber fabric,
Upper cover is covered, is powered on；
(2) by rotation knob, the cathode contact of rotary switch connects cathode contact one by one, measures each negative conductive
Resistance value between column and positive conductive column；
(3) by rotating threaded rod, the distance between negative conductive column and positive conductive column is adjusted, different width can be measured
Width silver fiber fabric electric conductivity；
(4) collected signal is transferred to CPU by signal receiving module, carries out data analysis, comparison, is stored in simultaneously
In memory module, display is then transmitted to by signal transmitting module, automatically generates resistance value distribution figure and resistance change
Curve is shielded by comparing the actual electromagnetic of a reference value of test value and silver fiber fabric resistance value evaluation silver fiber fabric and is imitated
Energy.
Compared with prior art, the invention has the advantages that:
(1) it is different from the single silver fiber electric conductivity of traditional measurement, the present invention directly tests the conduction of silver fiber fabric finished product
Property, fill up domestic technique blank；
(2) multiple negative conductive columns are set simultaneously on the same circumference, while measure between the multiple points of silver fiber fabric
Resistance value can automatically generate distribution of resistance figure, obtain the electric conductivity of the silver fiber fabric of certain area, and test speed is fast, efficiency
It is high；
(3) by regulating device, the distance between negative conductive column and positive conductive column is adjusted, different wide cuts can be tested
The electric conductivity of silver fiber fabric automatically generates resistance change curve, indicates certain area silver fiber fabric electric conductivity；
(4) the drawbacks of changing traditional-handwork measurement and hand-kept data realizes automatic measurement and control, test device letter
Single, test method simplicity, test result are accurate, fine by comparing a reference value of test value and silver fiber fabric resistance value evaluation silver
The actual electromagnetic shield effectiveness of fabric is tieed up, can be used to evaluate the radiation-proof effect of silver fiber fabric.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is arrangement schematic diagram of the conductive column of the embodiment of the present invention 1 on test board；
Fig. 3 is the resistance value distribution figure of the embodiment of the present invention 1；
Fig. 4 is circuit structure block diagram of the invention；
Fig. 5 is the structural schematic diagram of the embodiment of the present invention 2；
Fig. 6 is arrangement schematic diagram of the conductive column of the embodiment of the present invention 2 on test board；
Fig. 7 is the resistance value distribution figure of the embodiment of the present invention 2；
Fig. 8 is the regulating device structural schematic diagram of the embodiment of the present invention 3；
Fig. 9 is the regulating device top view of the embodiment of the present invention 3；
Figure 10 is the resistance value distribution figure of the embodiment of the present invention 3；
Figure 11 is the resistance change curve of the embodiment of the present invention 3.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Embodiment 1
As shown in Figure 1,2,3, 4, the present embodiment is a kind of silver fiber fabric electric conductivity test for having four negative conductive columns
Device, including pedestal 7, upper cover 1, test board 5 and test macro are provided with attaching plug 13 and rotary switch 9, bottom on pedestal 7
Seat 7 is used to support test board 5, upper cover 1 for it is dust-proof, every wet, in test, upper cover 1 can avoid dust, moisture in air etc.
Influence test result.
It is provided on test board 5 for fixing silver fiber fabric 4 and testing the positive conductive column of 4 electric conductivity of silver fiber fabric
3 and four negative conductive columns 2 around positive conductive column 3, negative conductive column 2 and 3 top of positive conductive column are tip, side
Just silver fiber fabric 4 penetrates, and negative conductive column 2 is 3cm along equally distributed radius of a circle around positive conductive column 3.
Test macro includes resistance testing device 8 and resistance value transimiison analysis imaging device 6, resistance testing device 8 and electricity
Resistance value transimiison analysis imaging device 6 connects, and resistance testing device 8 is for testing between positive conductive column 3 and negative conductive column 2
Resistance, resistance value transimiison analysis imaging device 6 is for comparing, analyzing resistance test value 19 and a reference value 20；Resistance value transmission point
Analysing imaging device 6 includes CPU, signal receiving module, analysis module, contrast module, memory module, signal output module, display
Device, signal receiving module, analysis module, contrast module, memory module, signal output module are connect with CPU respectively, display with
Signal output module connection, for showing that test result, memory module for storing data, there is real time data and historical data,
It can consult at any time.
Rotary switch 9 is equipped with a cathode contact 11 and surrounds 11 equally distributed four cathode contacts 12 of cathode contact
With " 0 " shelves contact, cathode contact 11 connects resistance testing device 8, each cathode contact 12 is separately connected negative in order
Pole conductive column 2 is additionally provided with knob 10 and scale corresponding with 12 position of cathode contact on rotary switch 9, passes through rotation knob
10, the cathode contact 11 of rotary switch 9 connects cathode contact 12 one by one, measures each negative conductive column 2 and positive conductive column 3
Between resistance value.
The test method of silver fiber fabric conduction system safety testing device, includes the following steps:
(1) rotation knob 10 is to " 0 " shelves, need to silver fiber fabric 4 to be tested be laid in negative conductive column 2 and anode is led
On electric column 3, allows the tip of conductive column to pass through silver fiber fabric 4, cover upper cover 1, power on；
(2) by rotation knob 10, the cathode contact 11 of rotary switch 9 connects cathode contact 12 one by one, measures each
Resistance value between negative conductive column 2 and positive conductive column 3；
(3) collected signal is transferred to CPU by signal receiving module, carries out data analysis, comparison, is stored in simultaneously
In memory module, display is then transmitted to by signal transmitting module, automatically generates resistance value distribution figure, by comparing test
The a reference value 20 of value 19 and silver fiber fabric resistance value evaluates the true electromagnet shield effect of certain area silver fiber fabric.
If the test value 19 of resistance was uniformly distributed along a reference value 20 1 weeks, illustrate that the silver fiber fabric of test is silver-plated
Thickness degree uniformity, electric conductivity is relatively good, and the electromagnet shield effect of silver fiber fabric is good, can be used to evaluate silver fiber fabric
Radiation-proof effect.
Embodiment 2
As shown in Fig. 5,6,7, the present embodiment is a kind of silver fiber fabric electric conductivity test dress for having six roots of sensation negative conductive column
It sets, is that six roots of sensation negative conductive column 2 is distributed on the circumference that radius is 5cm along positive conductive column 3, is set on rotary switch 9
There is a cathode contact 11 and around 11 equally distributed six cathode contacts 12 of cathode contact and " 0 " shelves contact, anode
Contact 11 connects resistance testing device 8, each cathode contact 12 is separately connected negative conductive column 2 in order, remaining structure with
Embodiment 1 is identical, and test method is also same as Example 1.
If the test value 21 of resistance was uniformly distributed along a reference value 22 1 weeks, illustrate that the silver fiber fabric of test is silver-plated
Thickness degree uniformity, electric conductivity is relatively good, and the electromagnet shield effect of silver fiber fabric is good, can be used to evaluate silver fiber fabric
Radiation-proof effect.
Embodiment 3
As shown in Fig. 8,9,10,11, the present embodiment is that a kind of silver for having four negative conductive columns and being equipped with regulating device is fine
Fabric conduction system safety testing device is tieed up, regulating device is set on test board 5, for testing different wide cut silver fiber fabric electric conductivity,
Regulating device includes adjusting substrate 14, guide rail 15, sliding block 16 and threaded rod 17, is threadedly coupled between sliding block 16 and threaded rod 17,
Substrate 14 is adjusted to be equipped with to adjust 2 position of negative conductive column and providing the different-diameter with positive conductive column 3 for the center of circle of benchmark
Concentric circles graduation mark 18, remaining structure is same as Example 1.
Same circumference range silver fiber fabric electric conductivity test method is same as Example 1, passes through rotating threaded rod 17, band
Dynamic negative conductive column 2 slides on guide rail 15, adjusts the distance between negative conductive column 2 and positive conductive column 3, tests different circles
The electric conductivity of all range silver fiber fabrics automatically generates the resistance change curve that resistance value R changes with circle diameter φ, passes through
Different circumference range silver fiber fabric electric conductivity variation tendencies are analyzed, certain true electromagnetic screen of area silver fiber fabric can be evaluated
Efficiency is covered, indicates the radiation-proof effect of certain area silver fiber fabric.
If the test value 23 of resistance was uniformly distributed along a reference value 24 1 weeks, test value curve 25 and a reference value curve 26
Variation tendency is identical, then illustrates that the silver fiber fabric electric conductivity of test is relatively good, the electromagnet shield effect of silver fiber fabric is good, can
To indicate the radiation-proof effect of certain area silver fiber fabric.
In conclusion the present invention directly tests the electric conductivity of silver fiber fabric finished product, domestic technique blank has been filled up；Pass through
The resistance value between same circumference range silver fiber fabric difference is measured simultaneously, is then compared with a reference value, is obtained one
Determine the electric conductivity of area silver fiber fabric；By regulating device, the distance between negative conductive column and positive conductive column are adjusted, it can
To test the electric conductivity of different wide cut silver fiber fabrics, indicate certain area silver fiber fabric electric conductivity；Test device is simple,
Test method is easy, test result is accurate, test speed is fast, high-efficient, indicates the electromagnet shield effect of silver fiber fabric, can be with
For evaluating the radiation-proof effect of silver fiber fabric.
The present invention is described by way of example above, but the present invention is not limited to above-mentioned specific embodiment, all to be based on
Any changes or modifications that the present invention is done are fallen within the scope of the claimed invention.
Claims (8)
1. a kind of silver fiber fabric conduction system safety testing device, it is characterised in that: including test board and test macro, the test board
On be provided with for fixing silver fiber fabric and testing the positive conductive column of silver fiber fabric electric conductivity and around positive conductive column
More negative conductive columns of surrounding, the test macro includes the resistance for test resistance value connecting with positive conductive column
Test device and for resistance test value and a reference value to compare the resistance value transimiison analysis imaging device of analysis, resistance test
Device is connect with resistance value transimiison analysis imaging device, further include be used to support test board pedestal and for it is dust-proof, every wet
Upper cover, is provided with attaching plug and rotary switch on pedestal, and the rotary switch is equipped with a cathode contact and around just
The equally distributed cathode contact corresponding with negative conductive column quantity in pole contact, cathode contact connect resistance testing device, often
One cathode contact is separately connected negative conductive column in order.
2. silver fiber fabric conduction system safety testing device according to claim 1, it is characterised in that: the resistance value transmission point
Analysing imaging device includes CPU, signal receiving module, analysis module, contrast module, memory module, signal output module, display
Device, the signal receiving module, analysis module, contrast module, memory module, signal output module are connect with CPU respectively, display
Device is connect with signal output module.
3. silver fiber fabric conduction system safety testing device according to claim 1, it is characterised in that: on the rotary switch also
Equipped with knob and scale corresponding with cathode contact position.
4. silver fiber fabric conduction system safety testing device according to claim 1, it is characterised in that: the negative conductive column number
Amount is 4~12, and negative conductive column is uniformly distributed around positive conductive column.
5. silver fiber fabric conduction system safety testing device according to claim 4, it is characterised in that: negative conductive column is along just
Equally distributed radius of a circle is 3cm~10cm around the conductive column of pole.
6. silver fiber fabric conduction system safety testing device according to claim 1, it is characterised in that: the conduction top end is
Tip.
7. silver fiber fabric conduction system safety testing device according to claim 1, it is characterised in that: the test board is equipped with
One for testing the regulating device of different wide cut silver fiber fabric electric conductivity, and the regulating device includes adjusting substrate, guide rail, cunning
Block and threaded rod, are threadedly coupled between sliding block and threaded rod, adjust substrate and are equipped with to adjust negative conductive column position and providing base
It is quasi- using positive conductive column as the concentric circles of the different-diameter in the center of circle.
8. utilizing the test method of silver fiber fabric conduction system safety testing device described in claim 1, which is characterized in that including such as
Lower step:
(1) need to silver fiber fabric to be tested be laid on conductive column, allow conductive column tip pass through silver fiber fabric, cover
Upper cover powers on；
(2) by rotation knob, the cathode contact of rotary switch connects cathode contact one by one, measure each negative conductive column with
Resistance value between positive conductive column；
(3) collected signal is transferred to CPU by signal receiving module, carries out data analysis, comparison, while being stored in storage
In module, display is then transmitted to by signal transmitting module, automatically generates resistance value distribution figure, by comparing test value with
The actual electromagnetic shield effectiveness of a reference value evaluation silver fiber fabric of silver fiber fabric resistance value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610041744.7A CN105510715B (en) | 2016-01-22 | 2016-01-22 | A kind of silver fiber fabric electric conductivity test method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610041744.7A CN105510715B (en) | 2016-01-22 | 2016-01-22 | A kind of silver fiber fabric electric conductivity test method and device |
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| CN105510715A CN105510715A (en) | 2016-04-20 |
| CN105510715B true CN105510715B (en) | 2019-05-24 |
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| CN109738718A (en) * | 2016-08-24 | 2019-05-10 | 李敏 | A kind of test device of LED light bar |
| US10564064B2 (en) * | 2017-02-16 | 2020-02-18 | GM Global Technology Operations LLC | Method of leak testing a low conductivity part |
| CN110426536A (en) * | 2019-07-29 | 2019-11-08 | 重庆伟鼎电子科技有限公司 | PCB conductive fabric measurement circuit plate |
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Effective date of registration: 20210729 Address after: 625600 koujiaba Park, Lushan County industrial concentration zone, Ya'an City, Sichuan Province Patentee after: Lushan Huamei Covered Yarn Co.,Ltd. Address before: 266061 Hongkong East Road, Laoshan District, Qingdao, Shandong Province, No. 7 Patentee before: QINGDAO University |
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