CN101846706B - Method for dynamically measuring high resistance of polymer sheet - Google Patents
Method for dynamically measuring high resistance of polymer sheet Download PDFInfo
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- CN101846706B CN101846706B CN2010101770123A CN201010177012A CN101846706B CN 101846706 B CN101846706 B CN 101846706B CN 2010101770123 A CN2010101770123 A CN 2010101770123A CN 201010177012 A CN201010177012 A CN 201010177012A CN 101846706 B CN101846706 B CN 101846706B
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- 229920000642 polymer Polymers 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052802 copper Inorganic materials 0.000 claims abstract description 21
- 239000010949 copper Substances 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000010410 layer Substances 0.000 claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- IJVRPNIWWODHHA-UHFFFAOYSA-N 2-cyanoprop-2-enoic acid Chemical group OC(=O)C(=C)C#N IJVRPNIWWODHHA-UHFFFAOYSA-N 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000004026 adhesive bonding Methods 0.000 abstract 1
- 239000003292 glue Substances 0.000 abstract 1
- 238000007747 plating Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a method for dynamically measuring high resistance of a high polymer sheet, which specifically comprises the following steps: plating copper layers on two end faces of the polymer sheet respectively; step two: gluing the metal plate on the two end faces of the copper-plated polymer sheet through a strong glue layer respectively; step three: fixing metal rods on the two metal plates respectively; step four: each side metal rod is fixed with one of the Hopkinson pull rods; the advantages are that in the Hopkinson pull rod experiment, two pull rods are respectively and fixedly connected with the metal rod to instantly stretch the polymer sheet, and at the moment, the dynamic measurement high resistance meter records the continuous resistance value generated by the polymer sheet, so that the purpose of dynamically measuring the high resistance of the polymer sheet is achieved.
Description
Technical field
The present invention relates to a kind of method of measuring resistance, especially relate to a kind of method of dynamically measuring high resistance of polymer sheets.
Background technology
According to the difference of specific insulation ρ, the way of measuring resistance is divided into two kinds at present: a kind of is when ρ＜10
8During Ω cm, use general intelligent digital multimeter to get final product; Another kind is when ρ＞10
8During Ω cm, need to use the high resistant appearance to test.
Develop rapidly along with the space flight and aviation cause; Lightweight and research with new material of function of shielding are deepened continuously; Research work personnel put into sight on one's body the superpolymer such as polypropylene, polyaniline, and they are macromolecular materials, have the material of high resistance like this; Their electric property has very important significance to research material electric conductivity inherent mechanism, for the resistance that records these materials can be used the high resistant appearance usually.Yet; Receive tensile force at macromolecular material and do the time spent; And this tensile force is in a short period, to accomplish, and this moment, a variable quantity faster can appear in the resistance value of macromolecular material, but conventional at present measuring method can't obtain the variable quantity of high this molecular material resistance at all.
Summary of the invention
Technical matters to be solved by this invention provides a kind of method of dynamically measuring high resistance of polymer sheets, can obtain in the very short time section, and when acting force is added on the testee, an increased resistance value that is exceedingly fast can appear in polymer sheets to be measured.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of method of dynamically measuring high resistance of polymer sheets is characterized in that specifically comprising the steps:
Step 1: at the both ends of the surface difference plated with copper layer of polymer sheets;
Step 2: the polymer sheets both ends of the surface of copper plate are ankylosed sheet metal through the seccotine water layer respectively;
Step 3: difference fixing metal bar on two sheet metals;
Step 4: every side Metallic rod respectively with the Hopkinson pull bar in wherein pull bar fix;
Step 5: on the outside of every side copper layer, draw lead respectively and be connected with the input end of instrument for dynamically measuring high resistance.
Polymer sheets end face smooth, the thickness of described polymer sheets are 2～3mm, and described copper layer thickness is 0.3～0.5mm, and the thickness of described seccotine water layer is 0.5～1mm.
Sheet metal is an iron plate, and two Metallic rod are respectively left Metallic rod and right Metallic rod, and left Metallic rod is provided with left-hand thread (LHT), and right Metallic rod is provided with right-hand thread.
Described seccotine water layer is an alpha-cyanoacrylate fat adhesive layer.
Two leads are welded on respectively on the different copper layers, make distance maximization between the pad of two leads.
Described instrument for dynamically measuring high resistance comprises that power circuit, gain control circuit, analog signal amplifier, voltage signal dynamic display circuit, null method survey high resistance circuit and bridge balance indicating circuit; Described gain control circuit is connected with described analog signal amplifier; Described power supply is surveyed high resistance circuit, described analog signal amplifier, described bridge balance indicating circuit and described voltage signal dynamic display circuit with described null method respectively and is connected; Described analog signal amplifier is connected with described voltage signal dynamic display circuit; Described null method is surveyed high resistance circuit and described bridge balance indicating circuit, and described bridge balance indicating circuit is connected with described voltage signal dynamic display circuit.
Described null method is surveyed high resistance circuit and is comprised the 15 resistance, the 16 resistance, the 17 resistance, the 18 resistance, the 19 resistance, the 5th adjustable resistance, the 6th adjustable resistance, first controllable impedance, first tunable capacitor and SS; Power end connects ground connection behind the 15 resistance, the 17 resistance and the 16 resistance successively; Power end connects ground connection behind the 18 resistance and the 19 resistance successively; The 17 resistance is connected with tie point between the 18 resistance and the 19 resistance; The moving contact of SS is connected with power supply; First stationary contact of SS is connected with first tunable capacitor and the 5th adjustable resistance in turn, and second stationary contact of SS is connected with first controllable impedance and the 6th adjustable resistance in turn;
Described bridge balance indicating circuit comprises digital voltmeter, the 33 resistance, the 34 resistance and the 35 resistance; Digital voltmeter is connected with the 33 resistance one end; The other end of the 33 resistance is connected the 35 resistance other end ground connection with tie point between the 34 resistance and the 35 resistance;
Described voltage signal dynamic display circuit comprises digital oscilloscope, digital oscilloscope one end ground connection, and the digital oscilloscope other end is connected with tie point between the 34 resistance and the 35 resistance;
Analog signal amplifier comprises that model is the amplifier of OPA643; Tie point between the 18 resistance and the 19 resistance inserts the negative input of amplifier; The 5th adjustable resistance and the 6th adjustable resistance interconnect the electrode input end that inserts amplifier simultaneously; The output terminal of amplifier is connected with an end of the 34 resistance, is connected with the 32 resistance between the negative input of amplifier and the output terminal;
Gain control circuit comprises first resistance; Second resistance; The 3rd resistance; The 4th resistance; The 7th resistance; The 8th resistance; The 9th resistance; The tenth resistance; The 11 resistance; The 12 resistance; The 13 resistance; The 14 resistance; The 3rd ganged switch; The 4th ganged switch; The 5th ganged switch; The 6th ganged switch; The 7th ganged switch; The 8th ganged switch; The 9th ganged switch; The tenth ganged switch; The 11 duplex switch; The 12 ganged switch; The 13 ganged switch; The 14 ganged switch; The 20 resistance; The 21 resistance; The 22 resistance; The 23 resistance; The 24 resistance; The 25 resistance; The 26 resistance; The 27 resistance; The 28 resistance; The 29 resistance; The 30 resistance and the 31 resistance;
One end of first resistance is connected with the output terminal of amplifier; The other end of first resistance is connected with the negative input of amplifier through first group of switch of the 3rd ganged switch, and the other end of first resistance is connected with the electrode input end of amplifier with the 20 resistance through second group of switch of the 3rd ganged switch respectively;
Be provided with second switch between tie point between first resistance and the 3rd ganged switch and the SS;
One end of second resistance is connected with the output terminal of amplifier; The other end of second resistance is connected with the negative input of amplifier through first group of switch of the 4th ganged switch, and the other end of second resistance is connected with the electrode input end of amplifier with the 21 resistance through second group of switch of the 4th ganged switch respectively;
One end of the 3rd resistance is connected with the output terminal of amplifier; The other end of the 3rd resistance is connected with the negative input of amplifier through first group of switch of the 5th ganged switch, and the other end of the 3rd resistance is connected with the electrode input end of amplifier with the 22 resistance through second group of switch of the 5th ganged switch respectively;
One end of the 4th resistance is connected with the output terminal of amplifier; The other end of the 4th resistance is connected with the negative input of amplifier through first group of switch of the 6th ganged switch, and the other end of the 4th resistance is connected with the electrode input end of amplifier with the 23 resistance through second group of switch of the 6th ganged switch respectively;
One end of the 7th resistance is connected with the output terminal of amplifier; The other end of the 7th resistance is connected with the negative input of amplifier through first group of switch of the 7th ganged switch, and the other end of the 7th resistance is connected with the electrode input end of amplifier with the 24 resistance through second group of switch of the 7th ganged switch respectively;
One end of the 8th resistance is connected with the output terminal of amplifier; The other end of the 8th resistance is connected with the negative input of amplifier through first group of switch of the 8th ganged switch, and the other end of the 8th resistance is connected with the electrode input end of amplifier with the 25 resistance through second group of switch of the 8th ganged switch respectively;
One end of the 9th resistance is connected with the output terminal of amplifier; The other end of the 9th resistance is connected with the negative input of amplifier through first group of switch of the 9th ganged switch, and the other end of the 9th resistance is connected with the electrode input end of amplifier with the 26 resistance through second group of switch of the 9th ganged switch respectively;
One end of the tenth resistance is connected with the output terminal of amplifier; The other end of the tenth resistance is connected with the negative input of amplifier through first group of switch of the tenth ganged switch, and the other end of the tenth resistance is connected with the electrode input end of amplifier with the 27 resistance through second group of switch of the tenth ganged switch respectively;
One end of the 11 resistance is connected with the output terminal of amplifier; The other end of the 11 resistance is connected with the negative input of amplifier through first group of switch of the 11 duplex switch, and the other end of the 11 resistance is connected with the electrode input end of amplifier with the 28 resistance through second group of switch of the 11 duplex switch respectively;
One end of the 12 resistance is connected with the output terminal of amplifier; The other end of the 12 resistance is connected with the negative input of amplifier through first group of switch of the 12 ganged switch, and the other end of the 12 resistance is connected with the electrode input end of amplifier with the 29 resistance through second group of switch of the 12 ganged switch respectively;
One end of the 13 resistance is connected with the output terminal of amplifier; The other end of the 13 resistance is connected with the negative input of amplifier through first group of switch of the 13 ganged switch, and the other end of the 13 resistance is connected with the electrode input end of amplifier with the 30 resistance through second group of switch of the 13 ganged switch respectively;
One end of the 14 resistance is connected with the output terminal of amplifier; The other end of the 14 resistance is connected with the negative input of amplifier through first group of switch of the 14 ganged switch, and the other end of the 14 resistance is connected with the electrode input end of amplifier with the 31 resistance through second group of switch of the 14 ganged switch respectively.
Compared with prior art; Advantage of the present invention is in the experiment of Hopkinson pull bar; Its two pull bars are fixedly connected with Metallic rod respectively; Polymer sheets is carried out the moment stretching, and this moment, instrument for dynamically measuring high resistance was noted the continuous electric resistance that polymer sheets produces, and reached the purpose of dynamically measuring high resistance of polymer sheets.
The copper layer has good electric conductivity, and its resistance value almost can be ignored, and wire bonds can not impact the resistance of macromolecular material on the copper layer.If lead is directly drawn from polymer sheets, the solder joint that welding stays can affect to the macromolecular material resistance measurement.
Powerful glue-line has very high resistance, and it can be fixedly connected the copper layer again insulating between copper layer and the iron plate simultaneously with iron plate.
Dynamically high resistance meter is the magnitude of voltage through the continuous recording digital voltmeter, has realized in the process of dynamic loads effect testing resistance, recording resistance value.Reach under the situation below the level second action time at dynamic loads, record resistance and electric capacity combined value and the resistance and the inductor combination value of high impedance to be measured.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the theory diagram of instrument for dynamically measuring high resistance of the present invention;
Fig. 3 is the circuit theory diagrams of instrument for dynamically measuring high resistance of the present invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
A kind of method of dynamically measuring high resistance of polymer sheets specifically comprises the steps,
Step 1: at the both ends of the surface difference plated with copper layer 9 of polymer sheets 8;
Step 2: polymer sheets 8 both ends of the surface of copper plate 9 are ankylosed sheet metal 11 through seccotine water layer 10 respectively;
Step 3: difference fixing metal bar 12 on two sheet metals 11;
Step 4: every side Metallic rod 12 respectively with the Hopkinson pull bar in wherein pull bar fix;
Step 5: on the outside of every side copper layer 9, draw lead 14 respectively and be connected with the input end of instrument for dynamically measuring high resistance 15.Two leads are welded on respectively on the different copper layers, because the thickness of polymer sheets and copper layer has only 3-4mm, guarantee that distance maximizes between the pad of two leads, prevent the short circuit between the lead.
Described seccotine water layer 10 is an alpha-cyanoacrylate fat adhesive layer 10.
A kind of instrument for dynamically measuring high resistance 15; It comprises that power circuit 1, gain control circuit 2, analog signal amplifier 3, voltage signal dynamic display circuit 4, null method survey high resistance circuit 5 and bridge balance indicating circuit 6; Gain control circuit 2 is connected with analog signal amplifier 3; Power supply 7 is surveyed high resistance circuit 5, analog signal amplifier 3, bridge balance indicating circuit 6 with null method respectively and is connected with voltage signal dynamic display circuit 4; Analog signal amplifier 3 is connected with voltage signal dynamic display circuit 4, and null method is surveyed high resistance circuit 5 and bridge balance indicating circuit 6, and bridge balance indicating circuit 6 is connected with voltage signal dynamic display circuit 4.
Null method is surveyed high resistance circuit 5 and is comprised the 15 resistance R the 15, the 16 resistance R the 16, the 17 resistance R the 17, the 18 resistance R the 18, the 19 resistance R 19, the 5th adjustable resistance R5, the 6th adjustable resistance R6, the first controllable impedance L1, the first tunable capacitor C1 and SS S1; Power end VCC connects the 15 resistance R the 15, the 17 resistance R 17 and the 16 resistance R 16 back ground connection successively; Power end VCC connects the 18 resistance R 18 and the 19 resistance R 19 back ground connection successively; The 17 resistance R 17 is connected with tie point between the 18 resistance R 18 and the 19 resistance R 19; The moving contact of SS S1 is connected with power supply VCC; First stationary contact of SS S1 is connected with the first tunable capacitor C1 and the 5th adjustable resistance R5 in turn, and second stationary contact of SS S1 is connected with the first controllable impedance L1 and the 6th adjustable resistance R6 in turn;
Bridge balance indicating circuit 6 comprises digital voltmeter, the 33 resistance R the 33, the 34 resistance R 34 and the 35 resistance R 35; Digital voltmeter is connected with the 33 resistance R 33 1 ends; The other end of the 33 resistance R 33 is connected the 35 resistance R 35 other end ground connection with tie point between the 34 resistance R 34 and the 35 resistance R 35;
Voltage signal dynamic display circuit 4 comprises digital oscilloscope, digital oscilloscope one end ground connection, and the digital oscilloscope other end is connected with tie point between the 34 resistance R 34 and the 35 resistance R 35;
One end of first resistance R 1 is connected with the output terminal of amplifier; The other end of first resistance R 1 is connected with the negative input of amplifier through first group of switch of the 3rd ganged switch S3, and the other end of first resistance R 1 is connected with the electrode input end of amplifier with the 20 resistance R 20 through second group of switch of the 3rd ganged switch S3 respectively;
Be provided with second switch S2 between tie point between first resistance R 1 and the 3rd ganged switch S3 and the SS S1;
One end of second resistance R 2 is connected with the output terminal of amplifier; The other end of second resistance R 2 is connected with the negative input of amplifier through first group of switch of the 4th ganged switch S4, and the other end of second resistance R 2 is connected with the electrode input end of amplifier with the 21 resistance R 21 through second group of switch of the 4th ganged switch S4 respectively;
One end of the 3rd resistance R 3 is connected with the output terminal of amplifier; The other end of the 3rd resistance R 3 is connected with the negative input of amplifier through first group of switch of the 5th ganged switch S5, and the other end of the 3rd resistance R 3 is connected with the electrode input end of amplifier with the 22 resistance R 22 through second group of switch of the 5th ganged switch S5 respectively;
One end of the 4th resistance R 4 is connected with the output terminal of amplifier; The other end of the 4th resistance R 4 is connected with the negative input of amplifier through first group of switch of the 6th ganged switch S6, and the other end of the 4th resistance R 4 is connected with the electrode input end of amplifier with the 23 resistance R 23 through second group of switch of the 6th ganged switch S6 respectively;
One end of the 7th resistance R 7 is connected with the output terminal of amplifier; The other end of the 7th resistance R 7 is connected with the negative input of amplifier through first group of switch of the 7th ganged switch S7, and the other end of the 7th resistance R 7 is connected with the electrode input end of amplifier with the 24 resistance R 24 through second group of switch of the 7th ganged switch S7 respectively;
One end of the 8th resistance R 8 is connected with the output terminal of amplifier; The other end of the 8th resistance R 8 is connected with the negative input of amplifier through first group of switch of the 8th ganged switch S8, and the other end of the 8th resistance R 8 is connected with the electrode input end of amplifier with the 25 resistance R 25 through second group of switch of the 8th ganged switch S8 respectively;
One end of the 9th resistance R 9 is connected with the output terminal of amplifier; The other end of the 9th resistance R 9 is connected with the negative input of amplifier through first group of switch of the 9th ganged switch S9, and the other end of the 9th resistance R 9 is connected with the electrode input end of amplifier with the 26 resistance R 26 through second group of switch of the 9th ganged switch S9 respectively;
One end of the tenth resistance R 10 is connected with the output terminal of amplifier; The other end of the tenth resistance R 10 is connected with the negative input of amplifier through first group of switch of the tenth ganged switch S10, and the other end of the tenth resistance R 10 is connected with the electrode input end of amplifier with the 27 resistance R 27 through second group of switch of the tenth ganged switch S10 respectively;
One end of the 11 resistance R 11 is connected with the output terminal of amplifier; The other end of the 11 resistance R 11 is connected with the negative input of amplifier through first group of switch of the 11 duplex switch S 11, and the other end of the 11 resistance R 11 is connected with the electrode input end of amplifier with the 28 resistance R 28 through second group of switch of the 11 duplex switch S 11 respectively;
One end of the 12 resistance R 12 is connected with the output terminal of amplifier; The other end of the 12 resistance R 12 is connected with the negative input of amplifier through first group of switch of the 12 ganged switch S12, and the other end of the 12 resistance R 12 is connected with the electrode input end of amplifier with the 29 resistance R 29 through second group of switch of the 12 ganged switch S12 respectively;
One end of the 13 resistance R 13 is connected with the output terminal of amplifier; The other end of the 13 resistance R 13 is connected with the negative input of amplifier through first group of switch of the 13 ganged switch S13, and the other end of the 13 resistance R 13 is connected with the electrode input end of amplifier with the 30 resistance R 30 through second group of switch of the 13 ganged switch S13 respectively;
One end of the 14 resistance R 14 is connected with the output terminal of amplifier; The other end of the 14 resistance R 14 is connected with the negative input of amplifier through first group of switch of the 14 ganged switch S14, and the other end of the 14 resistance R 14 is connected with the electrode input end of amplifier with the 31 R31 resistance through second group of switch of the 14 ganged switch S14 respectively.
According to Fig. 2 and Fig. 3 instrument for dynamically measuring high resistance device internal work principle is described:
Pass through transformer and rectifier in the power circuit 1; Provide interchange (220V, 1KV) or direct current (± 5V, ± 9V, ± 12V, 24-50V, 110V) the different voltages with different source signal, to null method survey high resistance circuit 5 (24V), analog signal amplifier 3 (± 5V), bridge balance indicating circuit 6 (9V), voltage signal dynamic display circuit 4 provide suitable voltage.
As shown in Figure 2, null method is surveyed high resistance circuit 5 and is adopted the balanced bridge mode of connection, adopts direct voltage source 24V power supply, shows difference voltage with digital voltmeter.When the voltage table reading is zero, the resistance value of testing resistance in the time of can recording static state; When the voltage table reading was non-vanishing, the reading that this just has a variation showed whole variation process with digital oscilloscope, the resistance value of testing resistance when coming dynamically through writing down the magnitude of voltage that changes;
Voltage signal dynamic display circuit 4 adopts the digital oscilloscope circuit, through high frequency sampling, and when writing down in short-term the moment impact load action, needed voltage difference data.Dynamic 4 sampling periods of oscillograph display circuit of voltage signal are 1ns in the instrument for dynamically measuring high resistance device, can be recorded in 100 magnitudes of voltage in the whole voltage change process.Calculate the testing resistance value according to magnitude of voltage.
Claims (6)
1. the method for a dynamically measuring high resistance of polymer sheets is characterized in that specifically comprising the steps,
Step 1: at the both ends of the surface difference plated with copper layer of polymer sheets;
Step 2: the polymer sheets both ends of the surface of copper plate are ankylosed sheet metal through the seccotine water layer respectively;
Step 3: difference fixing metal bar on two sheet metals;
Step 4: every side Metallic rod respectively with the Hopkinson pull bar in wherein pull bar fix;
Step 5: on the outside of every side copper layer, draw lead respectively and be connected with the input end of instrument for dynamically measuring high resistance;
Described instrument for dynamically measuring high resistance comprises that power circuit, gain control circuit, analog signal amplifier, voltage signal dynamic display circuit, null method survey high resistance circuit and bridge balance indicating circuit; Described gain control circuit is connected with described analog signal amplifier; Described power circuit is surveyed high resistance circuit, described analog signal amplifier, described bridge balance indicating circuit and described voltage signal dynamic display circuit with described null method respectively and is connected; Described analog signal amplifier is connected with described voltage signal dynamic display circuit; Described null method is surveyed high resistance circuit and is connected with described bridge balance indicating circuit, and described bridge balance indicating circuit is connected with described voltage signal dynamic display circuit.
2. the method for a kind of dynamically measuring high resistance of polymer sheets according to claim 1; It is characterized in that polymer sheets end face smooth; The thickness of described polymer sheets is 2～3mm, and described copper layer thickness is 0.3～0.5mm, and the thickness of described seccotine water layer is 0.5～1mm.
3. the method for a kind of dynamically measuring high resistance of polymer sheets according to claim 1; It is characterized in that sheet metal is an iron plate; Two Metallic rod are respectively left Metallic rod and right Metallic rod, and left Metallic rod is provided with left-hand thread (LHT), and right Metallic rod is provided with right-hand thread.
4. the method for a kind of dynamically measuring high resistance of polymer sheets according to claim 1 is characterized in that described seccotine water layer is an alpha-cyanoacrylate fat adhesive layer.
5. the method for a kind of dynamically measuring high resistance of polymer sheets according to claim 1 is characterized in that described lead is two, is welded on respectively on the different copper layers, makes distance maximization between the pad of two leads.
6. the method for a kind of dynamically measuring high resistance of polymer sheets according to claim 1; It is characterized in that described null method surveys high resistance circuit and comprise the 15 resistance, the 16 resistance, the 17 resistance, the 18 resistance, the 19 resistance, the 5th adjustable resistance, the 6th adjustable resistance, first controllable impedance, first tunable capacitor and SS; Power end connects ground connection behind the 15 resistance, the 17 resistance and the 16 resistance successively; Power end connects ground connection behind the 18 resistance and the 19 resistance successively; The 17 resistance is connected with tie point between the 18 resistance and the 19 resistance; The moving contact of SS is connected with power end; First stationary contact of SS is connected with first tunable capacitor and the 5th adjustable resistance in turn, and second stationary contact of SS is connected with first controllable impedance and the 6th adjustable resistance in turn;
Described bridge balance indicating circuit comprises digital voltmeter, the 33 resistance, the 34 resistance and the 35 resistance; Digital voltmeter is connected with the 33 resistance one end; The other end of the 33 resistance is connected the 35 resistance other end ground connection with tie point between the 34 resistance and the 35 resistance;
Described voltage signal dynamic display circuit comprises digital oscilloscope, digital oscilloscope one end ground connection, and the digital oscilloscope other end is connected with tie point between the 34 resistance and the 35 resistance;
Analog signal amplifier comprises that model is the amplifier of OPA643; Tie point between the 18 resistance and the 19 resistance inserts the negative input of amplifier; The 5th adjustable resistance and the 6th adjustable resistance interconnect the electrode input end that inserts amplifier simultaneously; The output terminal of amplifier is connected with an end of the 34 resistance, is connected with the 32 resistance between the negative input of amplifier and the output terminal;
Gain control circuit comprises first resistance; Second resistance; The 3rd resistance; The 4th resistance; The 7th resistance; The 8th resistance; The 9th resistance; The tenth resistance; The 11 resistance; The 12 resistance; The 13 resistance; The 14 resistance; The 3rd ganged switch; The 4th ganged switch; The 5th ganged switch; The 6th ganged switch; The 7th ganged switch; The 8th ganged switch; The 9th ganged switch; The tenth ganged switch; The 11 duplex switch; The 12 ganged switch; The 13 ganged switch; The 14 ganged switch; The 20 resistance; The 21 resistance; The 22 resistance; The 23 resistance; The 24 resistance; The 25 resistance; The 26 resistance; The 27 resistance; The 28 resistance; The 29 resistance; The 30 resistance and the 31 resistance;
One end of first resistance is connected with the output terminal of amplifier; The other end of first resistance is connected with the negative input of amplifier through first group of switch of the 3rd ganged switch, and the other end of first resistance is connected with the electrode input end of amplifier with the 20 resistance through second group of switch of the 3rd ganged switch respectively;
Be provided with second switch between tie point between first resistance and the 3rd ganged switch and the SS;
One end of second resistance is connected with the output terminal of amplifier; The other end of second resistance is connected with the negative input of amplifier through first group of switch of the 4th ganged switch, and the other end of second resistance is connected with the electrode input end of amplifier with the 21 resistance through second group of switch of the 4th ganged switch respectively;
One end of the 3rd resistance is connected with the output terminal of amplifier; The other end of the 3rd resistance is connected with the negative input of amplifier through first group of switch of the 5th ganged switch, and the other end of the 3rd resistance is connected with the electrode input end of amplifier with the 22 resistance through second group of switch of the 5th ganged switch respectively;
One end of the 4th resistance is connected with the output terminal of amplifier; The other end of the 4th resistance is connected with the negative input of amplifier through first group of switch of the 6th ganged switch, and the other end of the 4th resistance is connected with the electrode input end of amplifier with the 23 resistance through second group of switch of the 6th ganged switch respectively;
One end of the 7th resistance is connected with the output terminal of amplifier; The other end of the 7th resistance is connected with the negative input of amplifier through first group of switch of the 7th ganged switch, and the other end of the 7th resistance is connected with the electrode input end of amplifier with the 24 resistance through second group of switch of the 7th ganged switch respectively;
One end of the 8th resistance is connected with the output terminal of amplifier; The other end of the 8th resistance is connected with the negative input of amplifier through first group of switch of the 8th ganged switch, and the other end of the 8th resistance is connected with the electrode input end of amplifier with the 25 resistance through second group of switch of the 8th ganged switch respectively;
One end of the 9th resistance is connected with the output terminal of amplifier; The other end of the 9th resistance is connected with the negative input of amplifier through first group of switch of the 9th ganged switch, and the other end of the 9th resistance is connected with the electrode input end of amplifier with the 26 resistance through second group of switch of the 9th ganged switch respectively;
One end of the tenth resistance is connected with the output terminal of amplifier; The other end of the tenth resistance is connected with the negative input of amplifier through first group of switch of the tenth ganged switch, and the other end of the tenth resistance is connected with the electrode input end of amplifier with the 27 resistance through second group of switch of the tenth ganged switch respectively;
One end of the 11 resistance is connected with the output terminal of amplifier; The other end of the 11 resistance is connected with the negative input of amplifier through first group of switch of the 11 duplex switch, and the other end of the 11 resistance is connected with the electrode input end of amplifier with the 28 resistance through second group of switch of the 11 duplex switch respectively;
One end of the 12 resistance is connected with the output terminal of amplifier; The other end of the 12 resistance is connected with the negative input of amplifier through first group of switch of the 12 ganged switch, and the other end of the 12 resistance is connected with the electrode input end of amplifier with the 29 resistance through second group of switch of the 12 ganged switch respectively;
One end of the 13 resistance is connected with the output terminal of amplifier; The other end of the 13 resistance is connected with the negative input of amplifier through first group of switch of the 13 ganged switch, and the other end of the 13 resistance is connected with the electrode input end of amplifier with the 30 resistance through second group of switch of the 13 ganged switch respectively;
One end of the 14 resistance is connected with the output terminal of amplifier; The other end of the 14 resistance is connected with the negative input of amplifier through first group of switch of the 14 ganged switch, and the other end of the 14 resistance is connected with the electrode input end of amplifier with the 31 resistance through second group of switch of the 14 ganged switch respectively.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1228534A (en) * | 1998-12-25 | 1999-09-15 | 北京航空材料研究院 | Electrical measurement method for measuring conducting material structure |
| CN201421478Y (en) * | 2009-04-17 | 2010-03-10 | 上海宝钢工业检测公司 | Metal sheet rectangular chip sample resistivity measuring device |
| DE102008052467A1 (en) * | 2008-10-21 | 2010-04-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Conductor plate for electronic circuits, has sensor for monitoring resistance values of insulation materials and emitting signals depending on resistance values of insulation materials, where insulation materials are provided in series |
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| JP2751460B2 (en) * | 1989-09-22 | 1998-05-18 | ジェイエスアール株式会社 | Resistance measuring device |
| JP2008122240A (en) * | 2006-11-13 | 2008-05-29 | Jsr Corp | Connector device for measuring electric resistance, and electric resistance measuring device of circuit board |
| JP5205848B2 (en) * | 2007-07-31 | 2013-06-05 | 富士通株式会社 | Resistance measurement method and component inspection process |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1228534A (en) * | 1998-12-25 | 1999-09-15 | 北京航空材料研究院 | Electrical measurement method for measuring conducting material structure |
| DE102008052467A1 (en) * | 2008-10-21 | 2010-04-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Conductor plate for electronic circuits, has sensor for monitoring resistance values of insulation materials and emitting signals depending on resistance values of insulation materials, where insulation materials are provided in series |
| CN201421478Y (en) * | 2009-04-17 | 2010-03-10 | 上海宝钢工业检测公司 | Metal sheet rectangular chip sample resistivity measuring device |
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| JP平3-107772A 1991.05.08 |
| JP特开2008-122240A 2008.05.29 |
| 刘新福，等.一种改进的硅片薄层电阻及其均匀性表征方法.《稀有金属》.2004,第28卷(第3期),全文. * |
| 段卓平,等.箔式高阻值低压锰铜压阻应力计的设计及动态标定.《爆炸与冲击》.2002,第22卷(第2期),全文. * |
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