CN105425043A - Fiber specific resistance testing apparatus and testing method with characteristic of automatic sample compression - Google Patents
Fiber specific resistance testing apparatus and testing method with characteristic of automatic sample compression Download PDFInfo
- Publication number
- CN105425043A CN105425043A CN201510822232.XA CN201510822232A CN105425043A CN 105425043 A CN105425043 A CN 105425043A CN 201510822232 A CN201510822232 A CN 201510822232A CN 105425043 A CN105425043 A CN 105425043A
- Authority
- CN
- China
- Prior art keywords
- testing
- sample
- gear
- resistance
- fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/041—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body
Abstract
The invention relates to a fiber specific resistance testing apparatus and testing method with the characteristic of automatic sample compression. The testing apparatus comprises a testing box; and two metal electrode plates with mutual insulation are installed at two ends of the testing box, wherein the distance between the electrode plates is fixed. A compressing block that is capable of compressing a sample into one with a specific size is arranged in the testing box and is connected with one end of a compression rod driven by a motor; a front limiting stopper and rear limiting stopper are arranged on the travel path of the compression rod; and with the front limiting stopper, the compressing block can compress the sample into one with a specific size. The motor is connected with a control terminal of a computer connected with a display device by a pulse distributor. The testing box is connected in series with a direct-current voltage-stabilized power supply and a high-impedance amplifier by the two metal electrode plates to form a testing loop; and the high-impedance amplifier is connected to a signal input terminal of the computer. The computer carries out analog-to-digital conversion and calculates a fiber specific resistance value automatically according the sample weight, the fiber integrated body size in the testing box, and the fiber density in the testing box. The provided testing apparatus and testing method have advantages of digital measurement, automatic fiber sample compression, and wide measurement range and the like; and the testing efficiency and the testing precision are improved.
Description
Technical field
The invention belongs to fibrous material surveying instrument field, particularly sample automatic Compression fiber ratio resistance proving installation and a method of testing thereof, is applicable to chemical fibre mill, textile mills and product quality Bureau of Technical Supervision to the Electrical research to all kinds of tencel material and goods thereof of production quality control and research institution.
Background technology
Textile fibres is combined into by covalent bond primarily of atom.Dry fiber does not have free electron, the ion yet do not conducted electricity, and under External Electrical Field, conductive capability is very low, is a kind of good insulating body, and ratio resistance is generally very high, the synthon such as terylene, acrylic fibers, polyvinyl chloride fibre that especially hydroscopicity is low.In textile process process, due to fiber and fiber or the close contact between fiber and spinning parts and friction, electric charge is caused to produce electrostatic in the transfer of body surface, cause that strip is scared, Yarn filoplume increases, package build is bad, fiber stickyly twines parts, Yarn break increases, fabric forms the problems such as dispersed bar shadow, affect the carrying out smoothly of textile process, the quality of product and the wearability of fabric.If when textile material static voltage is very high, spark can be produced because of electric discharge, cause fire, cause serious consequence.In addition, some man-made fiber, in processing and manufacturing process, can be introduced the energy conductive component such as lipoid material, catalyzer, emulsifying agent, moisture, enhance the electric conductivity of fiber.Conductive yam is made in conductive fiber and the general fibre blending with excellent conductive performance, has been widely used on protective clothing, intelligent military uniform and functional clothing.Therefore, study fiber ratio resistance proving installation and method of testing significant.
Fiber ratio resistance refers to that fiber is in certain volume, by the volume resistance of fibre density conversion.The basic skills measuring fiber ratio resistance is, take constant weight short fibre sample, be placed in the testing cassete of given size, two metal plates of mutually insulated are equipped with at testing cassete two ends, battery lead plate spacing is fixing, by constrictor and briquetting, sample is compressed to prescribed volume, the voltage in addition at fiber samples two ends, measure the electric current by fiber samples, obtain sample resistance and be converted into ratio resistance.Because the resistance of fiber samples is very high, the electrometer of high input impedance need be adopted could to measure this electric current.Current measurement fiber ratio resistance mostly is the YG321 fiber type ratio resistance instrument adopting release the beginning of the eighties in last century, and its major technique shortcoming is: 1, resistance measurement scope is little, cannot meet the test request of the conductive fiber ratio resistance that development is increasing at present; 2, after testing cassete put into by sample, rely on manual operation to rotate fiber samples in crank handle compression verification box and, to prescribed volume, larger measuring error can be caused by visual needle locating; 3, artificial reading error can be produced by old-fashioned meter pointer instruction resistance value; 4, measuring accuracy is poor, and test result reading is unstable; 5, measured result is resistance value, manually need be calculated to be ratio resistance; 6, the test of chemical-fibres filaments ratio resistance cannot be carried out.Therefore, according to the test request of chemical fibre industry production and scientific research inspection body fiber ratio resistance, a kind ofly adopt that Modern Digital technology, robotization are high, resistance measurement scope large and numerical stability and the tencel ratio resistance tester of fiber samples automatic Compression, to improve test result accuracy and testing efficiency in the urgent need to developing.
Summary of the invention
The object of the present invention is to provide a kind of sample automatic Compression fiber ratio resistance proving installation and method of testing thereof, be mainly used in overcoming the defect existing for above-mentioned prior art, it has digital measurement, automatic Compression fiber samples, and the advantage such as testing range is wide, improve testing efficiency and testing precision.
For achieving the above object, technical scheme of the present invention is:
A kind of sample automatic Compression fiber ratio resistance proving installation, it is characterized in that: it comprises a testing cassete, two metal electrode boards of mutually insulated are equipped with at these testing cassete two ends, and battery lead plate spacing is fixing; The briquetting that sample can be compressed to prescribed volume by one is set in testing cassete, this briquetting is connected with motor-driven constrictor one end, the travel paths of this constrictor is provided with front limit device and rear stop, this front limit device guarantees that sample is compressed to prescribed volume by briquetting; This motor is connected by the control end of pulsqe distributor with the computing machine being connected with display; This testing cassete is connected with D.C. regulated power supply, high-impedance amplifier by two metal electrode boards and is formed test loop; This high-impedance amplifier is connected to the signal input part of computing machine further.
Described sample automatic Compression fiber ratio resistance proving installation, it is characterized in that: the other end of this constrictor is connected on a spiral shell block, this spiral shell block movable screw is located on a screw mandrel, and the end of this screw mandrel is connected with motor by the gear train be made up of with the second gear the first gear, synchromesh gear belt.
Described sample automatic Compression fiber ratio resistance proving installation, is characterized in that: this computing machine is also connected with printer.
A kind of sample automatic Compression fiber ratio resistance method of testing, is characterized in that: it adopts proving installation as above to test, and concrete steps are:
A opens the power supply of proving installation and computing machine, will select the resistance gear of fiber to be measured of fiber to be measured after preheating, chooses that rear to carry out zero-sum school, school to proving installation full, after calibration, proving installation is adjusted to electric discharge gear from the resistance gear chosen;
B puts into testing cassete sample to be tested, and tentatively pushes briquetting, is then put in proving installation by testing cassete;
C computing machine sends pulse signal and passes through pulsqe distributor, drive motor rotates, and enters in testing cassete indirectly by constrictor and promote briquetting conpressed fibers sample, until reach the position location that anteposition limit device controls, computing machine stops sending pulse signal, and fiber samples is in the impaction state of regulation; In this process, sample destatics anti-simultaneously;
Electric discharge gear on proving installation is being adjusted to the resistance gear chosen by D, computing machine starts timing automatically, voltage is added to testing cassete two ends by D.C. regulated power supply, voltage is converted to through high-impedance amplifier amplification by the electric current of sample, this magnitude of voltage of computer acquisition is also converted into resistance value and after calculating ratio resistance according to fiber quality, the fibre density parameter of input, be presented in real time on indicator screen, by confirming to preserve or preserve test value after arrival Preset Time.
Described sample automatic Compression fiber ratio resistance method of testing, is characterized in that: it also comprises the steps:
E preserves after test value, computer controlled constrictor processed automatically retreat to initial after the position location that controls of stop, simultaneously or afterwards the resistance gear chosen on proving installation is being adjusted back to electric discharge gear, take out testing cassete and sample.
Described sample automatic Compression fiber ratio resistance method of testing, is characterized in that: this resistance gear comprises high resistant gear and low-resistance gear, and this high resistant gear and low-resistance gear can be tested knob and low-resistance by high resistant and test knob and select concrete range again; When selecting high resistant gear, during test, D.C. regulated power supply exports corresponding high pressure; When selecting low-resistance gear, during test, D.C. regulated power supply exports corresponding low pressure.
Described sample automatic Compression fiber ratio resistance method of testing, is characterized in that: this high resistant test knob has 10
5Ω ~ 10
6Ω, 10
6Ω ~ 10
7Ω, 10
7Ω ~ 10
8Ω, 10
8Ω ~ 10
9Ω, 10
9Ω ~ 10
10Ω, 10
10Ω ~ 10
11Ω, 10
11Ω ~ 10
12Ω, 10
12Ω ~ 10
13Ω and 10
13Ω ~ 10
14Ω nine grades of ranges; Low-resistance test knob has 10 Ω ~ 10
2Ω, 10
2Ω ~ 10
3Ω, 10
3Ω ~ 10
4Ω, 10
4Ω ~ 10
5Ω, 10
5Ω ~ 10
6Ω and 10
6Ω ~ 10
7Ω six grades of ranges.
Described sample automatic Compression fiber ratio resistance method of testing, is characterized in that: when tested selected range excessive or too small time, proving installation is reported to the police by display and is allowed operator's gravity treatment.
Compared with prior art advantage of the present invention is as follows:
1, the compression set of fiber assembly sample adopts stepper motor accurately to control, and reduces the measuring error of the visual needle locating of hand screw rod.
2, instrument resistance measurement scope is 10 Ω ~ 10
14Ω, and traditional instrument is only 10
6Ω ~ 10
13Ω, after testing range expands, instrument can be used for the test of conductive fiber ratio resistance and other high resistant fibers.
3, apparatus measures result adopts digitizing display, and reduce the error of meter pointer assignor part work and part study number, before test, zero-sum school, instrument school is completely also carried out automatically by computing machine.Instrument is provided with the test port that can carry out resistance value measurement and calibration, and the measuring resistance for matching measurement has 10
4Ω, 10
8Ω and 10
12Ω tri-, and traditional instrument only has 10
7Ω and 10
9Ω two, therefore the orientation ratio of tester measuring accuracy improves a lot to scope.
4, have after ratio resistance reading timing automatic reading device and sample are compressed to prescribed volume and start timing time instruction, the change curve that after can showing sample compression, ratio resistance reading becomes stable in time.
5, external long filament ratio resistance proving installation, can measure chemical-fibres filaments ratio resistance value.
Accompanying drawing explanation
Fig. 1 is fiber ratio resistance proving installation schematic diagram of the present invention.
In Fig. 1: 1-D.C. regulated power supply, 2-testing cassete, 3-sample, 4-briquetting, 5-constrictor, 6-high-impedance amplifier, 7-spiral shell block, 8-screw mandrel, the 9-the first gear, 10-synchromesh gear belt, the 11-the second gear, 12-stepper motor, 13-pulsqe distributor, 14-anteposition limit device, 15-rear position limit device, 16-computing machine, 17-display, 18-printer.
Fig. 2 is casing schematic perspective view.
In Fig. 2: 19-casing, 191-start button, 192-compression button, 193-stop button, 194-return button, 195-high resistant test knob, 196-low-resistance test knob, 197-calibration knob, 198-test selection knob, 199-power switch, 1910-test window, 1911-organic glass door.
Embodiment
Refer to Fig. 1,2, they are structural representations of a kind of sample automatic Compression of the present invention fiber ratio resistance proving installation one preferred embodiment.As shown in the figure: it comprises a testing cassete 2, two metal electrode boards of mutually insulated are equipped with at these testing cassete 2 two ends, and battery lead plate spacing is fixing; The briquetting 4 that sample 3 can be compressed to prescribed volume by one is set in testing cassete 2, constrictor 5 one end that this briquetting 4 and motor 12 drive is connected, the travel paths of this constrictor 5 is provided with front limit device 14 and rear stop 15, this front limit device 14 guarantees that sample 3 is compressed to prescribed volume by briquetting 5; This motor 12 is connected by the control end of pulsqe distributor 13 with the computing machine 16 being connected with display 17; This testing cassete 2 is connected with D.C. regulated power supply 1, high-impedance amplifier 6 by two metal electrode boards and is formed test loop; This high-impedance amplifier 6 is connected to the signal input part of computing machine 16 further.
Connected mode is driven as one, the other end of this constrictor 5 is connected on a spiral shell block 7, this spiral shell block 7 movable screw is located on a screw mandrel 8, and the end of this screw mandrel 8 is connected with motor 12 by the gear train be made up of with the second gear 11 the first gear 9, synchromesh gear belt 10.Certainly, driving connected mode of the present invention also can adopt alternate manner, because these connected modes are prior art, therefore repeats no more.
In addition, this computing machine 16 is also connected with printer 18.
As shown in Figure 2, it is the body structure schematic diagram of the apparatus of the present invention with guidance panel.Using method below in conjunction with Fig. 1,2 pairs of proving installations of the present invention elaborates.
Method of testing of the present invention realizes as follows:
1, the power supply of fiber ratio resistance proving installation and computing machine is opened, test selection knob 198 on instrument panel is allocated to high resistant or low-resistance shelves after half an hour by preheating, again calibration knob 197 is allocated to school zero span, computing machine 16 automatic zero adjustment, display 17 measures instruction and is shown as 0, then calibration knob 197 is allocated to full scale shelves, computing machine 16 automatically school is full, display 17 measures instruction and is shown as 100, then the calibration knob 197 on instrument panel is allocated to test shelves, test selection knob 198 is allocated to electric discharge shelves.
2, a 15g staple fibre sample 3 is put into testing cassete 2, push briquetting 4, open organic glass door 1911, testing cassete 2 is put into main box 19, close organic glass door 1911.
3, by the start button 191 on instrument panel, computing machine 16 sends pulse signal by pulsqe distributor 13, Driving Stepping Motor 12 rotates, constrictor 5 is driven to be moved to the left from the initial position that position limit device 15 after instrument controls by gear 9, synchromesh gear belt 10, gear 11, screw mandrel 8 and spiral shell block 7, the constrictor 5 be connected with spiral shell block 7 enters in testing cassete 2 and promotes briquetting 4 conpressed fibers sample, until reach the position location of anteposition limit device 14 control, computing machine 16 stops sending pulse signal, and fiber samples is in the impaction state of regulation.
4, the test selection knob 198 on instrument panel is allocated to high resistant or low-resistance shelves according to surveyed fabric resistor size by the shelves that discharge, computing machine 16 starts timing automatically, add voltage to testing cassete 2 two ends by D.C. regulated power supply 1, voltage is converted to through high-impedance amplifier 6 amplification by the electric current of sample 3, computing machine 16 gathers this magnitude of voltage and after being converted into resistance value and ratio resistance, is presented in real time on display 17 screen.
5, the high resistant test knob 195 on instrument panel or low-resistance test knob 196 is stirred, select suitable resistance test range shelves, until the resistance data on display 17 is stable substantially constant, by start button 191, computing machine 16 confirms current resistive value, automatic calculating also preserves the ratio resistance value of sample 3, simultaneously constrictor 5 automatically retreat to initial after the position location that controls of stop; The change if the resistance value display running into sample 3 is drifted about in time, after the 60s of the regulation to be achieved such as then, computing machine 16 confirms current resistive value automatically, automatic calculating also preserves the ratio resistance value of sample 3, simultaneously constrictor 5 automatically retreat to initial after the position location that controls of stop.
6, test selection knob 198 is allocated to electric discharge shelves, opens organic glass door 1911, take out the testing cassete 2 be positioned in casing 19, close organic glass door 1911, then take out the briquetting 4 in testing cassete 2 and fiber samples 3, by the process of testing cassete 2 cleaning inside, use in order to test next time.
7, repeat step (2)-(6), test second part of 15g fiber samples.
8, the test sample number of times needed for test, computing machine 16 automatically calculates and preserves test result and statistical value thereof.
Apparatus of the present invention and method, when carrying out ratio resistance Measurement and Computation, follow following computing method:
The resistance R of known conductor is directly proportional to the length l of conductor, and the sectional area S of conductor is inversely proportional to.
In formula: p
vfor volume resistivity (Ω cm).
Therefore fiber volume ratio resistance can calculate as follows:
Because fiber is very thin, single test is more difficult, and the fiber assembly of constant weight is put into rectangular box and carried out by actual test volume ratio resistance, places two flat metal pole plates in rectangular box, after fiber assembly compression, shared parallel plate electrode area is S, two parallel plate electrode spacing are l, when pressing above formula and calculating volume resistivity, owing to there is space between fiber, the area of the actual pole plate that fiber is shared in testing cassete is not S, but Sf, wherein f is activity coefficient, can be calculated by following formula:
In formula: V
tfor the volume of fiber place testing cassete; V
ffor the actual volume of fiber; M is fiber quality; D is fibre density.
So the volume resistivity of fiber can be expressed as:
If when the polar plate area S unit of test box be cm2, l unit is cm, P
vunit is Ω cm.Work as S=1cm2, during l=1cm, the resistance that volume resistivity is electric current when being 1cm3 by fiber volume.
Test voltage in the present invention is 100V and 1V two grades, and when test selection knob 198 is allocated to high resistant shelves, test voltage is 100V, and high resistant test knob 195 has 9 resistance test range shelves to select, resistance measurement scope: 10
5Ω ~ 10
14Ω; When test selection knob 198 is allocated to low-resistance shelves, test voltage is 1V, and low-resistance test knob 196 has 6 resistance test range shelves to select, resistance measurement scope: 10 Ω ~ 10
7Ω.
Instrument panel has four knobs, wherein, this high resistant test knob has 10
5Ω ~ 10
6Ω, 10
6Ω ~ 10
7Ω, 10
7Ω ~ 10
8Ω, 10
8Ω ~ 10
9Ω, 10
9Ω ~ 10
10Ω, 10
10Ω ~ 10
11Ω, 10
11Ω ~ 10
12Ω, 10
12Ω ~ 10
13Ω and 10
13Ω ~ 10
14Ω nine grades of ranges; Low-resistance test knob has 10 Ω ~ 10
2Ω, 10
2Ω ~ 10
3Ω, 10
3Ω ~ 10
4Ω, 10
4Ω ~ 10
5Ω, 10
5Ω ~ 10
6Ω and 10
6Ω ~ 10
7Ω six grades of ranges.When tested selected range excessive or too small time, proving installation is reported to the police by display and is allowed operator's gravity treatment.Calibration knob 197 has school zero, full scale and test third gear; Test selection knob 198 has high resistant, electric discharge and low-resistance third gear.
Finally, must again illustrate, all have in the technology of the present invention field usually know that the knowledgeable ought to understand, these describe the embodiment cited with the present invention in detail, only be suitable for the structure of the present invention and the effect for reaching are described, and being not used to the category of the claim limiting the present invention, substituting or change of other equivalent elements, assembly, object, structure or device, the claim that also should be this case contained.
Claims (8)
1. a sample automatic Compression fiber ratio resistance proving installation, is characterized in that: it comprises a testing cassete (2), and two metal electrode boards of mutually insulated are equipped with at this testing cassete (2) two ends, and battery lead plate spacing is fixing; The briquetting (4) that sample (3) can be compressed to prescribed volume by one is set in testing cassete (2), constrictor (5) one end that this briquetting (4) and motor (12) drive is connected, the travel paths of this constrictor (5) is provided with front limit device (14) and rear stop (15), this front limit device (14) guarantees that sample (3) is compressed to prescribed volume by briquetting (5); This motor (12) is connected by the control end of pulsqe distributor (13) with the computing machine (16) being connected with display (17); This testing cassete (2) is connected by two metal electrode boards form test loop with D.C. regulated power supply (1), high-impedance amplifier (6); This high-impedance amplifier (6) is connected to the signal input part of computing machine (16) further.
2. sample automatic Compression fiber ratio resistance proving installation according to claim 1, it is characterized in that: the other end of this constrictor (5) is connected on a spiral shell block (7), this spiral shell block (7) movable screw is located on a screw mandrel (8), and the end of this screw mandrel (8) is connected with motor (12) by the gear train be made up of the first gear (9), synchromesh gear belt (10) and the second gear (11).
3. sample automatic Compression fiber ratio resistance proving installation according to claim 1, is characterized in that: this computing machine (16) is also connected with printer (18).
4. a sample automatic Compression fiber ratio resistance method of testing, is characterized in that: it adopts the proving installation as described in claim 1 or 2 or 3 to test, and concrete steps are:
A opens the power supply of proving installation and computing machine, the resistance gear of the fiber to be measured of fiber to be measured will be selected after preheating, by computing machine, zero-sum school, school is carried out automatically completely to proving installation after choosing, after calibration, proving installation is adjusted to electric discharge gear from the resistance gear chosen;
B puts into testing cassete sample to be tested, and tentatively pushes briquetting, is then put in proving installation by testing cassete;
C computing machine sends pulse signal and passes through pulsqe distributor, drive motor rotates, and enters in testing cassete indirectly by constrictor and promote briquetting conpressed fibers sample, until reach the position location that anteposition limit device controls, computing machine stops sending pulse signal, and fiber samples is in the impaction state of regulation; In this process, sample destatics anti-simultaneously;
Electric discharge gear on proving installation is being adjusted to the resistance gear chosen by D, computing machine starts timing automatically, voltage is added to testing cassete two ends by D.C. regulated power supply, voltage is converted to through high-impedance amplifier amplification by the electric current of sample, this magnitude of voltage of computer acquisition is also converted into resistance value and after calculating ratio resistance according to fiber quality, the fibre density parameter of input, be presented in real time on indicator screen, by confirming to preserve or preserve test value after arrival Preset Time.
5. sample automatic Compression fiber ratio resistance method of testing according to claim 4, is characterized in that: it also comprises the steps:
E preserves after test value, computer controlled constrictor processed automatically retreat to initial after the position location that controls of stop, simultaneously or afterwards the resistance gear chosen on proving installation is being adjusted back to electric discharge gear, take out testing cassete and sample.
6. sample automatic Compression fiber ratio resistance method of testing according to claim 4, it is characterized in that: this resistance gear comprises high resistant gear and low-resistance gear, this high resistant gear and low-resistance gear can be tested knob and low-resistance by high resistant and test knob and select concrete range again; When selecting high resistant gear, during test, D.C. regulated power supply exports corresponding high pressure; When selecting low-resistance gear, during test, D.C. regulated power supply exports corresponding low pressure.
7. sample automatic Compression fiber ratio resistance method of testing according to claim 6, is characterized in that: this high resistant test knob has 10
5Ω ~ 10
6Ω, 10
6Ω ~ 10
7Ω, 10
7Ω ~ 10
8Ω, 10
8Ω ~ 10
9Ω, 10
9Ω ~ 10
10Ω, 10
10Ω ~ 10
11Ω, 10
11Ω ~ 10
12Ω, 10
12Ω ~ 10
13Ω and 10
13Ω ~ 10
14Ω nine grades of ranges; Low-resistance test knob has 10 Ω ~ 10
2Ω, 10
2Ω ~ 10
3Ω, 10
3Ω ~ 10
4Ω, 10
4Ω ~ 10
5Ω, 10
5Ω ~ 10
6Ω and 10
6Ω ~ 10
7Ω six grades of ranges.
8. sample automatic Compression fiber ratio resistance method of testing according to claim 6, is characterized in that: when tested selected range excessive or too small time, proving installation is reported to the police by display and is allowed operator's gravity treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510822232.XA CN105425043B (en) | 2015-11-24 | 2015-11-24 | The automatic conpressed fibers specific resistance test device of sample and its test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510822232.XA CN105425043B (en) | 2015-11-24 | 2015-11-24 | The automatic conpressed fibers specific resistance test device of sample and its test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105425043A true CN105425043A (en) | 2016-03-23 |
| CN105425043B CN105425043B (en) | 2018-07-03 |
Family
ID=55503375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510822232.XA Active CN105425043B (en) | 2015-11-24 | 2015-11-24 | The automatic conpressed fibers specific resistance test device of sample and its test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105425043B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405243A (en) * | 2016-10-17 | 2017-02-15 | 常州市华纺纺织仪器有限公司 | Test device and test method for digital fiber-ratio resistor |
| CN106501607A (en) * | 2016-09-30 | 2017-03-15 | 天津工业大学 | Fiber ratio resistance tester |
| CN109115648A (en) * | 2018-08-06 | 2019-01-01 | 东华大学 | The test method of fiber moisture absorption heating performance |
| CN109728744A (en) * | 2019-01-23 | 2019-05-07 | 南京工程学院 | A kind of fiber push-off device and its working method based on stacked piezoelectric ceramics |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4974451A (en) * | 1989-12-07 | 1990-12-04 | The United States Of America As Represented By The United States Department Of Energy | Conducting fiber compression tester |
| CN101029860A (en) * | 2007-03-29 | 2007-09-05 | 上海新纤仪器有限公司 | Method and apparatus for automatically measuring fibre curling performance |
| CN101315362A (en) * | 2008-06-26 | 2008-12-03 | 太仓宏大纺织仪器有限公司 | Fabric specific resistance instrument and fabric resistor and fabric specific resistance measurement method |
| CN103926464A (en) * | 2014-04-25 | 2014-07-16 | 青岛大学 | Silver fiber resistance testing device |
| CN104020354A (en) * | 2014-06-19 | 2014-09-03 | 上海市纺织科学研究院 | Method for detecting specific resistance of short fibers of chemical fibers |
-
2015
- 2015-11-24 CN CN201510822232.XA patent/CN105425043B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4974451A (en) * | 1989-12-07 | 1990-12-04 | The United States Of America As Represented By The United States Department Of Energy | Conducting fiber compression tester |
| CN101029860A (en) * | 2007-03-29 | 2007-09-05 | 上海新纤仪器有限公司 | Method and apparatus for automatically measuring fibre curling performance |
| CN101315362A (en) * | 2008-06-26 | 2008-12-03 | 太仓宏大纺织仪器有限公司 | Fabric specific resistance instrument and fabric resistor and fabric specific resistance measurement method |
| CN103926464A (en) * | 2014-04-25 | 2014-07-16 | 青岛大学 | Silver fiber resistance testing device |
| CN104020354A (en) * | 2014-06-19 | 2014-09-03 | 上海市纺织科学研究院 | Method for detecting specific resistance of short fibers of chemical fibers |
Non-Patent Citations (2)
| Title |
|---|
| 贾高鹏 等: "压缩和回弹及极板放置对棉纤维电阻测试的影响", 《纺织学报》 * |
| 贾高鹏 等: "基于LabVIEW的纤维集合体微电流测试仪的研制", 《纺织学报》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501607A (en) * | 2016-09-30 | 2017-03-15 | 天津工业大学 | Fiber ratio resistance tester |
| CN106405243A (en) * | 2016-10-17 | 2017-02-15 | 常州市华纺纺织仪器有限公司 | Test device and test method for digital fiber-ratio resistor |
| CN106405243B (en) * | 2016-10-17 | 2023-04-11 | 常州市华纺纺织仪器有限公司 | Digital fiber specific resistance testing device and testing method thereof |
| CN109115648A (en) * | 2018-08-06 | 2019-01-01 | 东华大学 | The test method of fiber moisture absorption heating performance |
| CN109115648B (en) * | 2018-08-06 | 2023-12-12 | 东华大学 | Method for testing moisture absorption and heat generation performances of fibers |
| CN109728744A (en) * | 2019-01-23 | 2019-05-07 | 南京工程学院 | A kind of fiber push-off device and its working method based on stacked piezoelectric ceramics |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105425043B (en) | 2018-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105425043A (en) | Fiber specific resistance testing apparatus and testing method with characteristic of automatic sample compression | |
| CN101413972B (en) | System and method for testing electric resistivity of thin film thermoelectricity material | |
| CN104198537B (en) | A kind of soil moisture content and conductivity detection method and detection device | |
| CN104020354A (en) | Method for detecting specific resistance of short fibers of chemical fibers | |
| CN204177868U (en) | Based on galvanic automatic control adjustable indoor soil resistivity measurement device | |
| CN106093614A (en) | A kind of method of return voltage initial slope assessment transformer insulation state | |
| CN106370930A (en) | Lithium ion battery separator electrical performance testing device and method | |
| CN106841935A (en) | For the Time-Domain Measuring System and appraisal procedure of the assessment of dielectric ageing state | |
| CN206362861U (en) | A kind of resistance testing device of electrodes of lithium-ion batteries coating material | |
| CN102520256A (en) | Measuring apparatus for measuring electric property of rock-ore and method thereof | |
| CN108387824A (en) | A kind of paper oil insulation state evaluating method improving recovery voltage measurement mode | |
| CN110286303A (en) | A kind of coaxial cable insulation cable ageing state appraisal procedure based on BP neural network | |
| CN104597327B (en) | Ceramic fiber resistivity testing method | |
| CN108226789A (en) | A kind of performance test methods of intermediate temperature solid oxide fuel cell | |
| CN205880124U (en) | A time domain test system for insulating medium condition assessment that ages | |
| CN204903650U (en) | Pole piece resistance measurement device | |
| CN105866650B (en) | A kind of device for insulating bar class managing security tools and instruments resistance test | |
| CN108333489A (en) | A kind of insulation resistance measuring device | |
| CN109060953B (en) | Electrified detection device and method for moisture content of electrical insulating oil | |
| CN109738828A (en) | A kind of battery on-line monitoring system and a kind of method for carrying out accumulator internal resistance measurement | |
| CN205920211U (en) | Portable capacitive on -line monitoring sensor tester | |
| CN208092178U (en) | A kind of insulation resistance measuring device | |
| CN206557288U (en) | A kind of digital fiber ratio resistance test device | |
| CN106841317A (en) | Polluted Soil conductivity measurement and electric osmose process electrical parameter change real-time monitoring device | |
| CN2549466Y (en) | Ion exchange membrance conductivity tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |