CN2422765Y - Corona charger - Google Patents
Corona charger Download PDFInfo
- Publication number
- CN2422765Y CN2422765Y CN 00217894 CN00217894U CN2422765Y CN 2422765 Y CN2422765 Y CN 2422765Y CN 00217894 CN00217894 CN 00217894 CN 00217894 U CN00217894 U CN 00217894U CN 2422765 Y CN2422765 Y CN 2422765Y
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- CN
- China
- Prior art keywords
- electrode
- fibre bundle
- guide rail
- fibre
- metal guide
- Prior art date
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- Expired - Lifetime
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Abstract
The utility model relates to a corona charger, which is a large-area even corona charger capable of avoiding open flame discharging. A top electrode of the corona charger is composed of a fiber bundle electrode rod and a metal guide rail; the fibre bundle electrode rod is composed of fibre bundles which are inherent on a metal plate; the length of the fibre bundles is equal, and the spacing of the fibre bundles is the same; a bottom electrode of the corona charger is a plate-shaped metal base; the upper electrode and the bottom electrode are supported and connected into a whole through insulating columns of equal length. When an electric field is applied between upper electrode and the bottom electrode to charge a polymer film, the phenomenon of open flame discharging does not exist; besides, a larger area corresponding to each fibre bundle is provided with an even corona field, and the purpose that the utility model can carry out large-area even charging is achieved.
Description
A kind of novel charger relates to the even charger of large tracts of land, further relates to the charger that can avoid the naked light discharge.
Charging is made the polymer electret filtering material and is brought further improvement for human lives and operational environment, in a single day after the corona ion charge deposition is handled, make electret filter material as various polymer fibers or polymer porous film, can extensively be processed into the filter element on the Device elements such as air purifier and air conditioner.
But, up to now, be used for the charge sparking electrode of the charger of making the polymer electret filtering material of polymer film is all adopted metal needle.These metal needles are commercially available pin or needles, and above-mentioned pin or needle are welded on the iron plate, form the top electrode of metal needle array discharge, and bottom electrode adopts a metallic plate.When top electrode has higher voltage with respect to bottom electrode, because the radius of curvature of needle point is less, near the electric field higher needle point produces corona discharge, make on the polymer fiber or polymer porous film of corona ion charge deposition on the tabular bottom electrode that places between the upper and lower electrode, finish the polymer film charging process, make the polymer electret filtering material.The characteristics of this charger are to carry out large batch of continuous production.But, there are following two shortcomings that can't overcome in this device: a shortcoming is because the radius of curvature of the needle point of the metal needle of buying back has nothing in common with each other, they have competitive effect in discharge process, continuous discharge around the part needle point, and another part does not discharge, thereby cause charging inhomogeneous, influenced the polymer electret filtering material quality of making.Another shortcoming is, because discharge has confidential relation with external environment, so under the unsettled situation of external environment, sometimes just produce the naked light discharge, cause electric current very strong between electrode, make the polymer chain rupture charing of polymer column polar body filtering material film, damaged the character of polymer electret filtering material film, cause substandard products.
The purpose of this utility model be design a kind of simple in structure, can the large tracts of land uniform charging and avoid the charger of naked light discharge.
In order to achieve the above object, the utility model is realized by following proposal.Charger comprises top electrode and bottom electrode, can place polymer film to be charged on the tabular lower electrode surface in the middle of the upper and lower electrode, its structural feature is: top electrode is made up of the fibre bundle electrode stem and the metal guide rail of the varying number that sets by different size, bottom electrode is the plate-shape metal base, and last insulated column and following insulated column support and connection by equal in length between the upper and lower electrode are one; Each root fibre bundle electrode stem is provided with the metallic plate of groove by two ends and forms at the identical fibre bundle of metallic plate one side array intrinsic equal in length, spacing; The parallel cross-over connection of groove that all fibre bundle electrode stems all are provided with by the metallic plate two ends is on metal guide rail, and the spacing of the fibre bundle on the adjacent fibre bundle electrode stem is identical; Respectively be provided with the joint that is connected with external power on metal guide rail and the metab.
The top and the metal guide rail of the last insulated column that upper and lower electrode is connected as a single entity are fixed, and the bottom is fixed with the metab that plays the bottom electrode effect, also intrinsic time insulated column below the metab.
Advantage of the present utility model is as follows:
1. because top electrode of the present utility model has adopted the fibre bundle electrode stem of being made up of many carbon fibres, so under applied voltage, can guarantee every bundle fiber intrafascicular have at least the part can realize the purpose of discharging, therefore just guaranteed that each bundle fiber bundle below is a continuous discharge zone, making in the big zone of every bundle fiber correspondence is a corona field relatively uniformly, thereby can produce a big even corona field by the top electrode that fibre bundle is formed, reach and used the utility model can make the purpose of large tracts of land uniform charging material.
2. because fiber itself is very soft, after energized, the intrafascicular fiber of same bundle fiber is because of the repulsive interaction of same polarity phase, in corona discharge process, can regulate the spacing between discharge fiber and the polymer film automatically, and fiber has suitable resistance, can not produce the naked light discharge, so use the utility model to flames of anger electric discharge phenomena in the polymer film charging process.
Accompanying drawing is an embodiment of the present utility model, wherein
Fig. 1 is a schematic diagram of the present utility model
Fig. 2 is that A of the present utility model is to schematic diagram
Fig. 3 is that B of the present utility model is to schematic diagram
Fig. 4 is a fibre bundle electrode stem structural representation of the present utility model
In conjunction with the accompanying drawings the utility model is further described
The utility model by metallic plate 1, fibre bundle 2, groove 7 and the metal guide rail 3 of the fibre bundle electrode stem 6 of forming top electrode, form the metab 4 of bottom electrode and be connected the last insulated column 5, connecting screw nail 8, support screw nail 9 of upper/lower electrode, insulated column 10 and the top electrode joint 11 that is connected with external power supply thereof and bottom electrode joint 12 are formed down.
Top electrode is made up of fibre bundle electrode stem 6 and two metal guide rail 3 by the required setting quantity of design specification.Every fibre bundle electrode stem 6 is provided with the metallic plate 1 of groove 7 by two ends, and forms with the parallel fibre bundle 2 that clips the identical setting quantity of the equal in length, the spacing that are consolidated with conducting resinl in metallic plate 1 one sides, and fibre bundle 2 adopts carbon fibres; Be arranged with the boss that the groove 7 with metallic plate 1 two ends is complementary between two metal guide rail 3,, and make the spacing of the fibre bundle 2 on the adjacent fibre bundle electrode stem 6 all identical so that the 6 parallel array cross-over connections of fibre bundle electrode stem are on metal guide rail 3; Metal guide rail 3 is provided with the top electrode joint 11 that is connected with external power, and metab 4 is provided with the bottom electrode joint 12 that is connected with external power; The structure that upper and lower electrode is connected as a single entity is to adopt intrinsic connecting screw nail 8 on metal guide rail 3, connecting screw nail 8 is fixed with the top of last insulated column 5, the bottom of last insulated column 5 be arranged on the metab 4 and the upper end of the outstanding support screw nail 9 in two tops is fixed up and down, the lower end of support screw nail 9 is fixed with following insulated column 10.
Polymer film to be charged is placed on the upper surface of metab 4 of charger of the present utility model, connect external power, when having obtained the voltage of setting between upper and lower two electrodes, the carbon fibre end of fibre bundle 2 has just obtained to satisfy the required electric field strength of polymer film charging, just produce corona discharge around the carbon fibre, the corona ion charge deposition of emitting is finished charging process on the polymer film that at the uniform velocity moves between the upper and lower electrode.
Though single carbon fibre may be not necessarily identical because of the incomplete same and required discharge electric field of its end shape, but because each bundle fiber bundle is made up of a lot of root carbon fibres, have at least part can reach discharge electric field intensity so every bundle fiber is intrafascicular, be a continuous region of discharge with regard to the below of having guaranteed each bundle fiber bundle like this, and after energized, the intrafascicular fiber of same bundle fiber relatively moves because of the repulsive interaction of same polarity phase, can adjust, the sparkover that relative spacing between bottom electrode avoids system-wide to puncture, guaranteed electric field homogenizing, obtained uniform corona field, reached purpose to polymer film large tracts of land uniform charging, simultaneously carbon fibre is very soft and suitable resistance arranged, it does not produce the naked light discharge, therefore when realizing, avoided the shortcoming of naked light discharge, guaranteed the charging quality of polymer film polymer film large tracts of land uniform charging.
Claims (3)
1. novel charger, comprise top electrode and bottom electrode, be provided with the space that to place polymer film to be charged in the middle of the upper and lower electrode, it is characterized in that: top electrode is made up of fibre bundle electrode stem (6) and two metal guide rail (3), bottom electrode is made up of metab (4), and last insulated column (5) and following insulated column (10) support and connection by equal in length between the upper and lower electrode are one; Each root fibre bundle electrode stem (6) by two ends be provided with groove (7) metallic plate (1) and metallic plate (1) one side array intrinsic equal in length, spacing identical fibre bundle (2) form, the parallel cross-over connection of groove (7) that all fibre bundle electrode stems (6) are provided with by metallic plate (1) two ends is on metal guide rail (3), and the spacing of the fibre bundle (2) on the adjacent fibre bundle electrode stem (6) is identical; Respectively be provided with joint (11) and (12) that are connected with power supply on metal guide rail (3) and the metab that plays the bottom electrode effect (4).
2. charger according to claim 1 is characterized in that: described fibre bundle (2) is a carbon fibre.
3. charger according to claim 1 is characterized in that: the top and the metal guide rail (3) of described upward insulated column (5) are fixed, and bottom and metab (4) are fixed, and the following and top following insulated column (10) of metab (4) is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00217894 CN2422765Y (en) | 2000-06-02 | 2000-06-02 | Corona charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00217894 CN2422765Y (en) | 2000-06-02 | 2000-06-02 | Corona charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2422765Y true CN2422765Y (en) | 2001-03-07 |
Family
ID=33583380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00217894 Expired - Lifetime CN2422765Y (en) | 2000-06-02 | 2000-06-02 | Corona charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2422765Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435371C (en) * | 2006-03-23 | 2008-11-19 | 同济大学 | Method for preparing porous polymer piezo-electric electret thin film |
| CN102738384A (en) * | 2012-06-21 | 2012-10-17 | 上海大宫新材料有限公司 | Polymer dielectric electrostatic polarization device and electrostatic polarization method thereof |
| CN101729963B (en) * | 2008-10-31 | 2013-03-20 | 宏达国际电子股份有限公司 | Equipment and related method for continuously charging electret diaphragm |
| CN105983486A (en) * | 2015-01-28 | 2016-10-05 | 上海思奈环保科技有限公司 | High-voltage ion and electret air purification apparatus and air purifying apparatus |
| CN112962303A (en) * | 2021-03-24 | 2021-06-15 | 鞍山雷盛电子有限公司 | Electrostatic electret equipment |
-
2000
- 2000-06-02 CN CN 00217894 patent/CN2422765Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435371C (en) * | 2006-03-23 | 2008-11-19 | 同济大学 | Method for preparing porous polymer piezo-electric electret thin film |
| CN101729963B (en) * | 2008-10-31 | 2013-03-20 | 宏达国际电子股份有限公司 | Equipment and related method for continuously charging electret diaphragm |
| CN102738384A (en) * | 2012-06-21 | 2012-10-17 | 上海大宫新材料有限公司 | Polymer dielectric electrostatic polarization device and electrostatic polarization method thereof |
| CN102738384B (en) * | 2012-06-21 | 2015-07-08 | 上海大宫新材料有限公司 | Polymer dielectric electrostatic polarization device and electrostatic polarization method thereof |
| CN105983486A (en) * | 2015-01-28 | 2016-10-05 | 上海思奈环保科技有限公司 | High-voltage ion and electret air purification apparatus and air purifying apparatus |
| CN112962303A (en) * | 2021-03-24 | 2021-06-15 | 鞍山雷盛电子有限公司 | Electrostatic electret equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |