CN103149446A - Auxiliary device for measuring electrical impedance of paper - Google Patents
Auxiliary device for measuring electrical impedance of paper Download PDFInfo
- Publication number
- CN103149446A CN103149446A CN2013100698292A CN201310069829A CN103149446A CN 103149446 A CN103149446 A CN 103149446A CN 2013100698292 A CN2013100698292 A CN 2013100698292A CN 201310069829 A CN201310069829 A CN 201310069829A CN 103149446 A CN103149446 A CN 103149446A
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- paper
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- electrical impedance
- brachium pontis
- conductive material
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- 239000004020 conductor Substances 0.000 claims abstract description 23
- 239000011810 insulating material Substances 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 13
- 238000005520 cutting process Methods 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 3
- 238000010023 transfer printing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000002847 impedance measurement Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 238000004832 voltammetry Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
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Abstract
The invention relates to an auxiliary device for measuring electrical impedance of paper. The auxiliary device for measuring the electrical impedance of the paper is characterized by comprising a pair of symmetrical and parallel bridge arms (3), wherein the arm length of the bridge arms is equal to a distance between one pair of the bridge arms (3); the upper surface of each bridge arm (3) is horizontal, and one layer of a conductive material (301) is adhered to each bridge arm (3); electrodes (4) are respectively arranged on one pair of the bridge arms (3); the electrodes (4) are in contact with the conductive material (301); each one of one pair of the bridge arms (3) is supported by at least one stand post (2); a plurality of radial notch grooves are arranged on the surface of each stand post (2); the lower parts of the stand posts (2) are connected with a base (1); the auxiliary device for measuring the electrical impedance of the paper further comprises a pair of press blocks (6) corresponding to the bridge arms (3); and the base (1), the stand posts (2), the bridge arms (3) and the press blocks (6) are made of an insulating material. The paper to be detected is highly insulated from a surrounding environment, so that the precision of measuring the electrical impedance of the paper is greatly improved.
Description
Technical field
The present invention relates to a kind of impedance measurement device, relate in particular to a kind of servicing unit of measuring the paper electrical impedance, belong to the impedance measurement technique field.
Background technology
The paper that is used for the use such as duplicating, printing, fax of various brand of selling in the market.When duplicating machine used, because the paper electrical impedance is different, the paper that has so different resistance values was different in the reaction through identical transfer process,
From designing, duplicating machine is adjusted its output voltage by high voltage package, thereby makes transfer device produce constant transfer printing electric current, but in actual the use, the general little paper of resistance value has relatively sufficient transfer printing electric current, and on autotype, image and word are just more clear; Otherwise, when the paper that resistance value is large, the off-capacity of duplicating machine high voltage package, just can not provide sufficient transfer printing electric current, image and word just turn white fuzzy or peripheral part ink powder disperses because the reduction of transfer efficiency becomes, thereby the quality of final autotype is caused harmful effect.
Therefore, be necessary to understand the electrical impedance characteristics of the copy paper of mass selling on market the development phase in duplicating machine manufacturer, thereby in advance the relevant important parameters such as transfer printing current value, high voltage package capacity are matched in the duplicating machine development phase, in order to reach best photocopying effect.Yet, existing duplicating machine research and development and the producer that produces generally do not carry out this work, even carry out, the device that also there is no the measurement paper impedance of specialty, cause the paper impedance measurement inaccurate, precision is low, thereby the setting of parameter when having affected the duplicating machine research and development has caused adverse effect to the duplicating machine quality.
The electrical impedance numerical value of paper is generally all 10
9～10
10Ω is in order to measure so high electrical impedance with voltammetry, just must apply a higher voltage in measured outturn both sides, and (for example 1000 volts) only in this way could observe stable microampere numerical value on microampere meter.The ratio of voltage and Weak current is exactly the impedance value of this outturn.So just produced the another one problem, the small leakage current that had both produced under high voltage according to the insulating bodies of lining below measured outturn is also counted microampere meter, it is large that current indication can be crossed the electric current of outturn than actual flow, and the result of measuring like this gained can be less than the impedance value of actual paper.
Summary of the invention
The electrical impedance numerical value of paper is generally all 10
9～10
10Ω is in order to measure so high electrical impedance with voltammetry, just must apply a higher voltage in measured outturn both sides, for example 1000 volts, only in this way could observe stable microampere numerical value on microampere meter.The ratio of voltage and Weak current is exactly the impedance value of this outturn.So just produced the another one problem, the small leakage current that had both produced under high voltage according to the insulating bodies of lining below measured outturn is also counted microampere meter, it is large that current indication can be crossed the electric current of outturn than actual flow, and the result of measuring like this gained can be less than the impedance value of actual paper.
The present invention takes following technical scheme:
A kind of servicing unit of measuring the paper electrical impedance, comprise a pair of symmetry and parallel brachium pontis 3, its brachium equals the distance between a pair of brachium pontis 3, brachium pontis 3 upper surface levels, and adhere to layer of conductive material 301, respectively be provided with an electrode 4 on a pair of brachium pontis 3, described electrode 4 contacts with described conductive material 301; Each is supported described a pair of brachium pontis 3 by at least one root post 2, and described column 2 surfaces are provided with many radially cuttings, and column 2 bottoms are connected with base 1; Also comprise a pair of briquetting 6 corresponding with described brachium pontis 3; Described base 1, column 2, brachium pontis 3, briquetting 6 all adopt insulating material to make.
Further, described insulating material is organic glass, and described conductive material 301 is soft conductive material.
Further, adopt the sponge place mat under described soft conductive material.
Further, described a pair of briquetting 6 is connected by at least one transverse arm 7 with radially cutting.
Further, described brachium pontis 3 is provided with locating piece 5, and 5 pairs of briquettings of described locating piece 6 carry out horizontal location.
Further, described a pair of brachium pontis 3 is supported by two root posts 2 separately.
Further, described base 1 bottom is provided with rubber pin 101.
Characteristics of the present invention are: carry by 3 pairs of paper to be measured of two root bridge arms, re-use 6 pairs of a pair of briquettings and compress paper to be measured, make the layer of conductive material 301 on paper to be measured and brachium pontis 3 fit tightly, conductive material 301 contacts with electrode 4, use the outer meeting resistance surveying instrument to be connected with electrode 4, carry out resistance measurement.Except conductive material 301 and electrode 4, this device all adopts high insulating material to make, and, what the column 2 a large amount of cuttings with certain depth in surface can increase the column surface greatly prolongs the face creepage distance, improve the insulation characterisitic of measured material itself, when therefore measuring, electric current substantially all flows through from paper to be measured, the electric current that leaks is few, and the precision of measured paper resistance improves greatly.
Simultaneously, according to Ohm law, Ω is arranged
Paper=K * L/S, wherein K is the resistivity of this paper, and L is tested yardage, and S is tested paper sectional area, referring to Fig. 1, measured sheet trimming is become long and wide identical square, Ω
Paper=K * L/L * d, wherein d is tested paper sheet thickness, Ω immediately
Paper=K/d sets up, and K and d are the intrinsic characteristic values of paper, thus just measure like this and length and width have had nothing to do, as long as guarantee that tested paper is square just passable.Because the brachium pontis brachium of this measurement servicing unit equals distance between a pair of brachium pontis, that is, the brachium pontis top just in time forms square, and is corresponding with square paper, measures very convenient.
Beneficial effect of the present invention is:
1) paper to be measured and surrounding environment realize high-insulation, greatly improve the precision of paper impedance bioelectrical measurement.
2) adopt during the mode adhere to conductive material layer and external electrode on brachium pontis realizes measuring good electric conductivity between measurement instrument and paper.
3) choosing of the isoparametric setting of transfer printing electric current in duplicating machine exploitation, high voltage package capacity etc. all possessed reference value more accurately.
4) rational in infrastructure, be skillfully constructed.
5) need not to convert, directly obtain the intrinsic electrical impedance performance parameter K/d of paper, measure very convenient.
Description of drawings
Fig. 1 is the schematic diagram of square paper.
Fig. 2 is the schematic diagram of the main part of the present invention's servicing unit of measuring the paper electrical impedance.
Fig. 3 is the schematic diagram of the briquetting part of the present invention's servicing unit of measuring the paper electrical impedance.
Fig. 4 is main part, paper to be measured, the briquetting decomposing schematic representation partly that the present invention measures the servicing unit of paper electrical impedance.
Fig. 5 is servicing unit that the present invention measures the paper electrical impedance structural representation when measuring.
Wherein, 1, base, 2, column, 3, brachium pontis, 4, electrode, 5, fixed block, 6, briquetting, 7, transverse arm, 101, the rubber pin, 301, conductive material.
Embodiment
The present invention is further described below in conjunction with specific embodiment.
Referring to Fig. 2-Fig. 4, the present invention measures the servicing unit of paper electrical impedance, comprise a pair of symmetry and parallel brachium pontis 3, its brachium equals the distance between a pair of brachium pontis 3, brachium pontis 3 upper surface levels, and adhere to one deck conductive rubber film as conductive material, and respectively being provided with a copper electrode 4 on a pair of brachium pontis 3, electrode 4 contacts with conductive material 301; Each is supported a pair of brachium pontis 3 by two root posts 2, and column 2 surfaces are provided with many radially cuttings, and column 2 bottoms are connected with base 1; Also comprise a pair of briquetting 6 corresponding with brachium pontis 3, connect by two transverse arms 7 with radially cutting therebetween; Base 1, column 2, brachium pontis 3, briquetting 6 all adopt transparent organic glass to make.Brachium pontis 3 is provided with locating piece 5, and 5 pairs of briquettings of locating piece 6 carry out horizontal location.Base 1 bottom is provided with four rubber pin 101, whole device is supported, the conductive rubber film below is padded one deck sponge again, purpose is to make conductive rubber film and paper to be measured can produce certain deformation under the pressure-acting of briquetting 6, thereby can fit fully, form good conductive contact.
During concrete the measurement, with paper clip square to be measured, paper size is just in time corresponding with the square supporting surface of brachium pontis 3 tops, according to Ohm law, Ω is arranged
Paper=K * L/S, wherein K is the resistivity of this paper, and L is tested yardage, and S is tested paper sectional area, as shown in Figure 1, measured sheet trimming is become the length square identical with width, Ω
Paper=K * L/L * d sets up, and wherein d is tested paper sheet thickness, Ω immediately
Paper=K/d sets up, and K and d are the intrinsic characteristic values of paper, thus just measure like this and length and width have had nothing to do, as long as guarantee that tested paper is square.
Carry by 3 pairs of paper to be measured of two root bridge arms, re-use 6 pairs of a pair of briquettings and compress paper to be measured, make one deck conductive rubber film on paper to be measured and brachium pontis 3 fit tightly, conductive rubber film contacts with electrode 4, use the outer meeting resistance surveying instrument to be connected with electrode 4, carry out resistance measurement.Except conductive rubber film and electrode 4, this device all adopts high insulating material to make, and, what the column 2 a large amount of cuttings with certain depth in surface can increase the column surface greatly prolongs the face creepage distance, improve the insulation characterisitic of measured material itself, when therefore measuring, electric current substantially all flows through from paper to be measured, the electric current that leaks is few, and the precision of measured paper resistance improves greatly.
There are four rubber pin 101 to provide stability for whole device below base, thereby further make full and uniform the contacting of paper to be measured and conductive material, improve measuring accuracy.
Between a pair of briquetting 6, transverse arm 7 can be used as handle, conveniently takes, and simultaneously, the radially cutting on transverse arm 7 has also increased the surface creepage distance, has increased insulating property.Also can not need handle, two briquettings are placed respectively.
The high voltage that applies on electrode 4, equably from tested streams of sheets mistake, the resistance value of paper to be measured just can accurately have been measured electric current through conductive material 301.
Claims (7)
1. servicing unit of measuring the paper electrical impedance is characterized in that:
Comprise a pair of symmetry and parallel brachium pontis (3), its brachium equals the distance between a pair of brachium pontis (3), brachium pontis (3) upper surface level, and adhere to layer of conductive material (301), respectively be provided with an electrode (4) on a pair of brachium pontis (3), described electrode (4) contacts with described conductive material (301);
Each is supported described a pair of brachium pontis (3) by at least one root post (2), and described column (2) surface is provided with many radially cuttings, and column (2) bottom is connected with base (1);
Also comprise a pair of briquetting (6) corresponding with described brachium pontis (3);
Described base (1), column (2), brachium pontis (3), briquetting (6) all adopt insulating material to make.
2. the servicing unit of measurement paper electrical impedance as claimed in claim 1, it is characterized in that: described insulating material is organic glass, described conductive material (301) is soft conductive material.
3. the servicing unit of measurement paper electrical impedance as claimed in claim 2, is characterized in that: adopt the sponge place mat under described soft conductive material.
4. the servicing unit of measurement paper resistance as claimed in claim 1 or 2, it is characterized in that: described a pair of briquetting (6) is connected by at least one transverse arm with radially cutting (7).
5. the servicing unit of measurement paper electrical impedance as claimed in claim 1 or 2, it is characterized in that: described brachium pontis (3) is provided with locating piece (5), and described locating piece (5) carries out horizontal location to briquetting (6).
6. the servicing unit of measurement paper electrical impedance as claimed in claim 1 or 2, it is characterized in that: described a pair of brachium pontis (3) is supported by two root posts (2) separately.
7. the servicing unit of measurement paper electrical impedance as claimed in claim 1 or 2 is characterized in that: described base (1) bottom is provided with rubber pin (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310069829.2A CN103149446B (en) | 2013-03-05 | 2013-03-05 | Auxiliary device for measuring electrical impedance of paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310069829.2A CN103149446B (en) | 2013-03-05 | 2013-03-05 | Auxiliary device for measuring electrical impedance of paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103149446A true CN103149446A (en) | 2013-06-12 |
| CN103149446B CN103149446B (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310069829.2A Expired - Fee Related CN103149446B (en) | 2013-03-05 | 2013-03-05 | Auxiliary device for measuring electrical impedance of paper |
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| Country | Link |
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| CN (1) | CN103149446B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529300A (en) * | 2013-10-23 | 2014-01-22 | 上海工程技术大学 | Device for measuring surface resistance of flexible sheet material |
| CN104034965A (en) * | 2014-05-27 | 2014-09-10 | 上海富士施乐有限公司 | Measuring device and method for resistance and capacitance characteristics of paper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4596152A (en) * | 1983-01-19 | 1986-06-24 | Olavi Lehtikoski | Method of measuring tear resistance of paper and apparatus for applying the method |
| JP2003310232A (en) * | 2002-04-24 | 2003-11-05 | Japan Tobacco Inc | Apparatus for examining cigarette paper |
| CN201540081U (en) * | 2009-10-30 | 2010-08-04 | 三星高新电机（天津）有限公司 | Thickness detector of chip resistor packing paper tape |
| CN203216995U (en) * | 2013-03-05 | 2013-09-25 | 上海富士施乐有限公司 | Auxiliary device for measuring paper electrical impedance |
-
2013
- 2013-03-05 CN CN201310069829.2A patent/CN103149446B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4596152A (en) * | 1983-01-19 | 1986-06-24 | Olavi Lehtikoski | Method of measuring tear resistance of paper and apparatus for applying the method |
| JP2003310232A (en) * | 2002-04-24 | 2003-11-05 | Japan Tobacco Inc | Apparatus for examining cigarette paper |
| CN201540081U (en) * | 2009-10-30 | 2010-08-04 | 三星高新电机（天津）有限公司 | Thickness detector of chip resistor packing paper tape |
| CN203216995U (en) * | 2013-03-05 | 2013-09-25 | 上海富士施乐有限公司 | Auxiliary device for measuring paper electrical impedance |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529300A (en) * | 2013-10-23 | 2014-01-22 | 上海工程技术大学 | Device for measuring surface resistance of flexible sheet material |
| CN103529300B (en) * | 2013-10-23 | 2016-03-02 | 上海工程技术大学 | A kind of device for measuring surface resistance of flexible sheet material |
| CN104034965A (en) * | 2014-05-27 | 2014-09-10 | 上海富士施乐有限公司 | Measuring device and method for resistance and capacitance characteristics of paper |
| CN104034965B (en) * | 2014-05-27 | 2018-07-31 | 上海富士施乐有限公司 | A kind of measuring device and method of paper capacitance-resistance characteristic |
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| Publication number | Publication date |
|---|---|
| CN103149446B (en) | 2015-04-29 |
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Address after: 200245, No. 46 South Valley Road, Minhang Economic Development Zone, Shanghai, Minhang District Patentee after: Fuji film business equipment (Shanghai) Co.,Ltd. Address before: 200245, No. 46 South Valley Road, Minhang Economic Development Zone, Shanghai, Minhang District Patentee before: FUJI XEROX(SHANGHAI) Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20150429 |