CN106848054A - Pre-stress type electric polarization method and device - Google Patents
Pre-stress type electric polarization method and device Download PDFInfo
- Publication number
- CN106848054A CN106848054A CN201510895213.XA CN201510895213A CN106848054A CN 106848054 A CN106848054 A CN 106848054A CN 201510895213 A CN201510895213 A CN 201510895213A CN 106848054 A CN106848054 A CN 106848054A
- Authority
- CN
- China
- Prior art keywords
- curved surface
- type electric
- metal curved
- stress type
- electric polarization
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/09—Forming piezoelectric or electrostrictive materials
- H10N30/098—Forming organic materials
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The present invention provides a kind of pre-stress type electric polarization method and device, and macromolecule organic film carries out electropolarized part and is attached on the metal curved surface of ground connection；The macromolecule organic film of metal curved surface both sides receives prestressing force, macromolecule organic film is close into metal curved surface and is moved on metal curved surface；Electric field is placed in the top of metal curved surface.The advantage is that by the two ends of macromolecule organic film applying prestressed mode so that film is tightly together with a metallic conduction application of a surface, metallic conduction curved surface ground connection.Certain prestressing force ensure that polypropylene film and metallic conduction curved surface are brought into close contact, and this method can ensure electropolarized uniformity in the case of electric fields uniform.
Description
Technical field
The present invention relates to a kind of pre-stress type electric polarization method and device, more particularly to a kind of polypropylene
The pre-stress type electric polarization method and device of film.
Background technology
Macromolecule organic film, particularly polypropylene film, with flexible, can large area film forming,
The characteristics of good with human body matching, being polarized can obtain the piezoelectricity spy of stabilization under certain condition
Property.This piezoelectric property stabilization, it is slow with time decay, it is suitable as electronics pickup, human body and moves
The application fields such as state waveform acquisition, piezoelectricity button, physical culture dynamometry.
While laboratory completes stabilized polypropylene qualitative polarization, larger scale electrode polypropylene film
Technique it is still immature.
First, laboratory prepare piezoelectric membrane batch it is small, the method for preparation cannot function as extensive work
Industry production and application.The single-needle electrodes scheme polarization area for being used is small, can only be to needle point lower section one
Small region carries out electropolarized operation, if necessary to other places of polarizing need to move needle point or
It is the polypropylene film of lower section, easily repeats to polarize, efficiency is very low.
Secondly, that polypropylene film is placed in into the mode that metal polarized above pole plate is unstable.
Because of film and metal are still had layer of air isolation between pole plate, because the effect of surface tension,
Polypropylene film will not the absolute minute surface of layer be flat on metal by pole plate, thus electric field cannot
It is enough to be smoothly applied on polypropylene film.Thus polarization effect is uneven, is needed during quality inspection
Substantial amounts of work is done, by inconsistent sample detection and is screened, cause waste, and significantly
Reduce qualification rate.
Furthermore, polarization method of the ground direct combination on polypropylene film be increased into unilateral coiled strip
Weight, and cause the effective length of material of coiled strip of same diameter relatively small, it is generally only independent
/ 3rd of polypropylene film, production efficiency is lower slightly.
The content of the invention
A kind of pre-stress type electric polarization method of offer of the invention, to overcome above-mentioned prior art
Defect.
The present invention provides a kind of pre-stress type electric polarization method, and macromolecule organic film carries out electric polarization
Part be attached on the metal curved surface of ground connection；The macromolecule organic film of metal curved surface both sides is answered in advance
Power, is close to macromolecule organic film metal curved surface and moves on metal curved surface；Electric field is placed in gold
Belong to the top of curved surface.
Further, the present invention provides a kind of pre-stress type electric polarization method, can also have such
Feature：Macromolecule organic film is polypropylene film.
Further, the present invention provides a kind of pre-stress type electric polarization method, can also have such
Feature：The macromolecule organic film of metal curved surface both sides is separately positioned on two delivery rolls.
Further, the present invention provides a kind of pre-stress type electric polarization method, can also have such
Feature：Metal curved surface is a part for metallic roll.
Further, the present invention provides a kind of pre-stress type electric polarization method, can also have such
Feature：Electric field can be direct current polarization or copped wave alternating polarity or impulse polarization.
Further, the present invention provides a kind of pre-stress type electric polarization method, can also have such
Feature：Electric field is using corona pin array way in parallel.
Further, the present invention provides a kind of pre-stress type electric polarization method, can also have such
Feature：Corona pin array pitch is 5 centimetres, row 10-20 roots corona pin, file 10-20 roots
Corona pin；Corona pin array is located at macromolecule organic film top 5-10 centimeters.
In addition, the present invention provides a kind of pre-stress type electric polarization device, including two delivery rolls, connect
Ground metal curved surface and electric field；Grounded metal curved surface is set between two delivery rolls；Electric field is arranged on gold
Belong to the top of curved surface.
Further, the present invention provides a kind of pre-stress type electric polarization device, can also have such
Feature：Metal curved surface is a part for metallic roll.
Further, the present invention provides a kind of pre-stress type electric polarization device, can also have such
Feature：Delivery roll is at the uniform velocity transmitted or the mobile setpoint distance of timing.
The beneficial effect of the invention
A kind of pre-stress type electric polarization method and device that the present invention is provided is by polypropylene film
Two ends apply prestressed mode and cause film tightly together with a metallic conduction application of a surface,
Metallic conduction curved surface is grounded.Certain prestressing force ensure that polypropylene film and metallic conduction curved surface are tight
Closely connected conjunction, this method can ensure electropolarized uniformity in the case of electric fields uniform.
A kind of pre-stress type electric polarization method and device that the present invention is provided is effectively improved production speed
Rate, taking up room for equipment is also significantly reduced using the mode of metal rolls.
A kind of pre-stress type electric polarization method and device that the present invention is provided has more flexible production
Condition.Because covering electrode or the method for protective mulch again on electrode on polypropylene film
So that the shape of electrode is fixed, it is unfavorable for that the later stage adjusts.This method can be free after being polarized
Make metal electrode.
A kind of pre-stress type electric polarization method and device that the present invention is provided proposes generation homogeneous electrode
The method for changing electric field, including but not limited to pinpoint array mode and corona wire mode.
A kind of electricity of pre-stress type electric polarization method and device polarization polypropylene film that the present invention is provided
Field applying mode, reaches good polarization effect, has used and has included but is not limited to, direct current polarization,
By the alternating polarity after wave chopping, DC pulse polarization.
Brief description of the drawings
Fig. 1 is the pre-stress type electric polarization structure drawing of device of the polypropylene film of embodiment one.
Fig. 2 is the metallic roll and electric field structure enlarged drawing of embodiment one.
Fig. 3 is the pre-stress type electric polarization structure drawing of device of the polypropylene film of embodiment two.
Fig. 4 is the metal curved surface and electric field structure enlarged drawing of embodiment two.
Specific embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one
Fig. 1 is the pre-stress type electric polarization structure drawing of device of the polypropylene film of embodiment one.
As shown in figure 1, the pre-stress type electric polarization device of polypropylene film includes emptying roller 1, metal
Roller 4, material receiving roller 5 and electric field 3.
Emptying roller 1 and material receiving roller 5 are separately positioned on the both sides of metallic roll 4.Metal curved surface 3 is grounded.Electricity
Field 3 is arranged on the top of metallic roll 4, and electric polarization is carried out to polypropylene film.
Polypropylene film 2 can reach certain prestressing force by the rotating speed of emptying roller 1 and material receiving roller 5,
It is close in metallic roll 4, air extrusion is gone out.The process of emptying roller 1 and material receiving roller 5 in material retractable
In, polypropylene film 2 is rolled in metallic roll 4, while being polarized by electric field 3.Such design
May be such that winding and electric polarization while carrying out.
Because being arc surface with the metal of Polypropylene contact, the electric field being applied on polypropylene film is needed
Will be by treatment.For the polarization mode of needle point, electric discharge needle point or corona wire need to be adjusted to away from
With a distance from the same height of curved surface, and suitable angle is adjusted to, also forms the higher than metal ground
Two parallel surfaceses.
In the present embodiment, electric field 3 forms the electric polarization of stabilization by the way of corona pin array in parallel
Electric field.Spacing between corona pin and corona pin is 5cm, and row 20, file 20 is connected in parallel on one
Rise, and connect upper high-voltage power-supply unit, using -5kV high-voltage DC power supplies.Regulation polypropylene film
In 10 centimeters of array lower section, so on the surface of polypropylene film 2 on metal curved surface 4 of fitting, can
Form a negative high voltage electric field for stabilization.
It is to be responsible for the certain area that polarizes by each corona pin that the polarization mode of pinpoint array separates to see
Complete.But with the change of polarization height, electrostatic field easily produces broken situation.One
In a little implementation occasions, due to the shielding action of each needle point, electrostatic field can be pulled up to certain height,
Polypropylene film surface is not reached.Therefore adjustment gets up comparatively laborious, and polarization effect is not also good.
The height of each needle point is also not easy regulation to completely the same height, it is easy to cause subregion
Disruptive discharge, drags down the electric field in other regions.Come instead of needle point battle array by the way of corona wire is arranged side by side
The mode of row.Corona wire has electric discharge uniform, the features such as easily replacing.
Certainly for the electric field being applied on polypropylene film, including but not limited to direct current polarization goes
Except a copped wave alternating polarity for phase, impulse polarization.
Emptying roller 1 and material receiving roller 5 every 5 minutes, the polypropylene film 2 of folding and unfolding certain distance, that is,
The various pieces polarization time for saying polypropylene film 2 is 5 minutes.
Embodiment two
Fig. 2 is the pre-stress type electric polarization structure drawing of device of the polypropylene film of embodiment two.
As shown in Fig. 2 the pre-stress type electric polarization device of polypropylene film includes emptying roller 1, metal
Curved surface 4, material receiving roller 5 and electric field 3.
Emptying roller 1 and material receiving roller 5 are separately positioned on the both sides of metal curved surface 3.Metal curved surface 3 is grounded.
Electric field 3 is arranged on the top of metal curved surface 4.
Polypropylene film 2 can reach certain prestressing force by the rotating speed of emptying roller 1 and material receiving roller 5,
It is close on metal curved surface 3.Emptying roller 1 and material receiving roller 5 during material retractable, polypropylene film
2 slide on metal curved surface 4, while being polarized by electric field 3.
In the present embodiment, metal curved surface instead of the metal roller bearing in embodiment one, this mode
Can cause that polypropylene film and metal curved surface have bigger contact area, more preferable polarization can be obtained
Effect.Likewise, winding and electric polarization can be operated simultaneously, it is pre- to apply by the strength for winding
Clamp force, winding link can also add speed regulator to be adjusted pretightning force and winding dynamics.
In the present embodiment, electric field 3 forms the electric polarization of stabilization by the way of corona pin array in parallel
Electric field.Spacing between corona pin and corona pin is 5cm, and row 10, file 10 is connected in parallel on one
Rise, and connect upper high-voltage power-supply unit, using 50kV direct current pulse power sources.Regulation polypropylene film
In 5 centimeters of array lower section, so on the surface of polypropylene film 2 on metal curved surface 4 of fitting, can shape
Into a negative high voltage electric field for stabilization.
The constant airspeed of emptying roller 1 and material receiving roller 5 is controlled to 10 centimeter per minutes, and folding and unfolding polypropylene is thin
Film 2, that is to say, that polypropylene film 2 is at the uniform velocity moved, and is polarized under the electric field.
A kind of pre-stress type electric polarization method and device that the present invention is provided is not limited to polypropylene film
Polarized, may apply to need the production process of various macromolecule organic films for being polarized.
Claims (10)
1. a kind of pre-stress type electric polarization method, it is characterised in that：
Macromolecule organic film carries out electropolarized part and is attached on the metal curved surface of ground connection；
The macromolecule organic film of metal curved surface both sides receives prestressing force, and macromolecule organic film is tight
Metal curved surface is simultaneously moved on metal curved surface；
Electric field is placed in the top of metal curved surface.
2. pre-stress type electric polarization method as claimed in claim 1, it is characterised in that：
Wherein, macromolecule organic film is polypropylene film.
3. pre-stress type electric polarization method as claimed in claim 1, it is characterised in that：
Wherein, the macromolecule organic film of metal curved surface both sides is separately positioned on two delivery rolls
On.
4. pre-stress type electric polarization method as claimed in claim 1, it is characterised in that：
Wherein, metal curved surface is a part for metallic roll.
5. pre-stress type electric polarization method as claimed in claim 1, it is characterised in that：
Wherein, electric field can be direct current polarization or copped wave alternating polarity or impulse polarization.
6. pre-stress type electric polarization method as claimed in claim 1, it is characterised in that：
Wherein, electric field is using corona pin array way in parallel.
7. pre-stress type electric polarization method as claimed in claim 6, it is characterised in that：
Wherein, the corona pin array pitch be 5 centimetres, it is row 10-20 roots corona pin, vertical
Row 10-20 root corona pins；
The corona pin array is located at macromolecule organic film top 5-10 centimeters.
8. a kind of pre-stress type electric polarization device, it is characterised in that：
Wherein, including two delivery rolls, grounded metal curved surface and electric fields；
The grounded metal curved surface is set between two delivery rolls；
The electric field is arranged on the top of the metal curved surface.
9. pre-stress type electric polarization device as claimed in claim 8, it is characterised in that：
Wherein, metal curved surface is a part for metallic roll.
10. pre-stress type electric polarization device as claimed in claim 8, it is characterised in that：
Wherein, the delivery roll is at the uniform velocity transmitted or the mobile setpoint distance of timing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895213.XA CN106848054A (en) | 2015-12-07 | 2015-12-07 | Pre-stress type electric polarization method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895213.XA CN106848054A (en) | 2015-12-07 | 2015-12-07 | Pre-stress type electric polarization method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106848054A true CN106848054A (en) | 2017-06-13 |
Family
ID=59151648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510895213.XA Pending CN106848054A (en) | 2015-12-07 | 2015-12-07 | Pre-stress type electric polarization method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106848054A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554801A (en) * | 2020-05-11 | 2020-08-18 | 山东非金属材料研究所 | Continuous polarization method for organic piezoelectric film |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3998916A (en) * | 1974-03-25 | 1976-12-21 | N.V. Verto | Method for the manufacture of an electret fibrous filter |
| US4079437A (en) * | 1976-04-30 | 1978-03-14 | Minnesota Mining And Manufacturing | Machine and method for poling films of pyroelectric and piezoelectric material |
| CN1545149A (en) * | 2003-11-17 | 2004-11-10 | 中国科学院长春应用化学研究所 | Ordered orientation device for high polymer piezoelectric material |
| CN101578717A (en) * | 2007-01-10 | 2009-11-11 | 株式会社吴羽 | Method for manufacturing polymeric piezoelectric film and polymeric piezoelectric film |
| CN102350850A (en) * | 2011-08-10 | 2012-02-15 | 上海大宫新材料有限公司 | Continuous production technology of polytetrafluoroethylene membrane with electromechanical energy transition function |
-
2015
- 2015-12-07 CN CN201510895213.XA patent/CN106848054A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3998916A (en) * | 1974-03-25 | 1976-12-21 | N.V. Verto | Method for the manufacture of an electret fibrous filter |
| US4079437A (en) * | 1976-04-30 | 1978-03-14 | Minnesota Mining And Manufacturing | Machine and method for poling films of pyroelectric and piezoelectric material |
| CN1545149A (en) * | 2003-11-17 | 2004-11-10 | 中国科学院长春应用化学研究所 | Ordered orientation device for high polymer piezoelectric material |
| CN101578717A (en) * | 2007-01-10 | 2009-11-11 | 株式会社吴羽 | Method for manufacturing polymeric piezoelectric film and polymeric piezoelectric film |
| CN102350850A (en) * | 2011-08-10 | 2012-02-15 | 上海大宫新材料有限公司 | Continuous production technology of polytetrafluoroethylene membrane with electromechanical energy transition function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554801A (en) * | 2020-05-11 | 2020-08-18 | 山东非金属材料研究所 | Continuous polarization method for organic piezoelectric film |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2003223351A1 (en) | Method of treating biological materials with translating electrical fields and electrode polarity reversal | |
| JP2010536406A5 (en) | ||
| EP2759342A3 (en) | AM-EWOD device and method of driving with AC voltage | |
| CN102254764B (en) | Bearing device of component | |
| EP2182560A3 (en) | Method for manufacturing piezoelectric device | |
| US10107792B2 (en) | Cell potential measuring electrode assembly and method for measuring electric potential change of cell using the same | |
| JP2013521058A5 (en) | ||
| CN106848054A (en) | Pre-stress type electric polarization method and device | |
| US4734228A (en) | Process and device for preparing a piezoelectric material | |
| EP1779938A3 (en) | Process and apparatus for selective dielectrical heating a particulate bed using elongate electrodes | |
| US11363707B2 (en) | Polarization apparatus | |
| DE1149592B (en) | Method and device for coating a continuous metal strip with paper strip as an intermediate layer of the metal sheets to be stacked after the cut | |
| Nonomura et al. | Electrostatic measurement of dischargeable electricity and bioelectric potentials produced by muscular movements in flies | |
| US11291744B2 (en) | Electrode component for generating large area atmospheric pressure plasma | |
| CN105088366B (en) | A kind of electrostatic spinning apparatus of batch micro operations nanofiber, method and system | |
| JP5465912B2 (en) | Film production method | |
| CN100480818C (en) | Spacer spraying device, spacer spraying method and liquid crystal display panel | |
| JPS5681678A (en) | Method and apparatus for plasma etching | |
| Dubey et al. | Analytical computation of electric field for onset of electroporation | |
| Cui et al. | The comparative studies of charge storage stabilities among three PP/porous PTFE/PP electret | |
| US2784695A (en) | Apparatus for making abrasive coated sheet material | |
| WO2006080283A1 (en) | Electric-insulating sheet neutralizing device, neutralizing method and production method | |
| Kawashima et al. | Fundamental Study for Quantification of Change in PD Waveform on Electrical Treeing | |
| Liaw et al. | Poling of multiple PVDF films by moving corona discharge | |
| US20200258721A1 (en) | Atmospheric pressure plasma device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
|
| RJ01 | Rejection of invention patent application after publication |