CN2400869Y - Electrostatic adsorption posting writing board - Google Patents
Electrostatic adsorption posting writing board Download PDFInfo
- Publication number
- CN2400869Y CN2400869Y CN 99211989 CN99211989U CN2400869Y CN 2400869 Y CN2400869 Y CN 2400869Y CN 99211989 CN99211989 CN 99211989 CN 99211989 U CN99211989 U CN 99211989U CN 2400869 Y CN2400869 Y CN 2400869Y
- Authority
- CN
- China
- Prior art keywords
- electrostatic
- panel
- writing board
- disappears
- adsorption
- 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.)
- Expired - Fee Related
Links
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 15
- 230000006698 induction Effects 0.000 claims description 16
- 239000000428 dust Substances 0.000 abstract description 8
- 230000003068 static effect Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 17
- 239000003990 capacitor Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005367 electrostatic precipitation Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses an use electrostatic adsorption of electrostatic attraction as adsorption affinity to put up clipboard, its main technical characteristics are that this puts up clipboard comprises high-pressure static source, panel, back lid, frame and just, burden response electrode, but the high-pressure static power intermittent output direct current high-voltage electricity is equipped with the static component that disappears between electrostatic generator and polar band, both is used for adsorbing thin insulating articles such as putting up paper, can directly write on the face again, writes with the chalk, and no dust flies upward when wiping.
Description
The utility model relates to a kind of clipboard, specifically, the utility model relates to a kind of posting writing board that utilizes Electrostatic Absorption.
Putting up and writing is the important form of information transmission and communication and education, in the prior art, posting writing board such as blackboard, blank etc., be to adopt wooden or other similar materials are made mostly, put up on the plate and puted up common being fixed on of product with glue, adhesive tape or drawing pin material etc. by the paper puted up etc., make so on the one hand and put up, replace cumbersome that the product of putting up remove down the back at the residual impression of clipboard surface meeting, influence attractive in appearance and put up once more; Cracky in the process that data important to some on the other hand, that need after putting up to reclaim is taken off on clipboard.
In the prior art, also have some convenient magnetic of using to put up writing device, but ubiquity that absorption is not firm, magnetic stripe (soon) is easily lost, deficiency such as attractive in appearance inadequately.In addition, above-mentioned posting writing board is in the chalk writing process, and dust from flying had both influenced the healthy of user, and the while is contaminated environment also.
Application number is CN89202983, the patent documentation that is entitled as " electrostatic precipitation blackboard eraser " discloses a kind of electrostatic precipitation blackboard eraser, and the high-pressure electrostatic that produces in brush finish when this blackboard eraser utilizes the electrostatic high-pressure circuit working automatically with the chalk dust wiped efficiently, be collected in the dust-collecting box cleanly.
Application number CN91103634, the patent documentation that is entitled as " electrostatic blackboard dust collecting method and equipment thereof " discloses a kind of electrostatic blackboard dust collecting method and equipment thereof, principal feature is folder one wire netting in the insulating material that constitutes blackboard, and make it to export non-earth terminal and link to each other with the high pressure of high-voltage DC power supply, the metal dust suction groove is established on bristle side at blackboard eraser, and makes it to link to each other with the earth terminal of high-voltage DC power supply.
Above-mentioned disclosed patent documentation has been mentioned and has been adopted electrostatic generator to reach the purpose of dust suction, but, how these patent documentations provides the Electrostatic Absorption of greater strength power to adsorb paper or books, how just can make the plate face not produce polarization phenomena under long-term use if not relating to, also do not relate to the elimination problem of the consistent and remaining electric charge that keeps Electrostatic Absorption power under different environment.
It is absorption affinity with the electrostatic attraction that the purpose of this utility model is to provide a kind of, can adsorb insulation article such as paper magazine, can conveniently write and can eliminate the electrostatic adsorption posting writing board of remaining electric charge again.
For achieving the above object, the technical solution adopted in the utility model is: a kind of electrostatic adsorption posting writing board comprises that high-pressure electrostatic source, panel, bonnet, frame takes place and is laid in the positive and negative induction electrode of back side of panel.It is characterized in that: between electrostatic generator and panel utmost point band, be provided with the electrostatic element that disappears.
The electrostatic element that disappears is parallel to panel induction electrode or electrostatic generator output terminal.
The absorption panel is made of the bigger hard material of specific inductive capacity, shapes such as positive and negative induction electrode is in line, arc, zigzag are every equidistantly certain, staggered empire cloth is located at the absorption back side of panel, and with high pressure resistant material all contacts after utmost point band, the high pressure generator is carried out moisture seal.
The utility model is owing to adopt said structure, as absorption affinity, thereby can overcome the deficiency that existing posting writing board exists effectively with electrostatic attraction, not only can be used for absorption and puted up insulation article such as paper but also can directly write on clipboard; Especially owing to partly adopted the time control supply unit at controller, the work of electrostatic generator interruption, and added the electrostatic element that disappears, can eliminate remaining electric charge and the electromotive force of utmost point capacitor when stopping using, make panel return to initial easy polarized state rapidly, thereby improve the enhancing of panel molecular structure and keep its panel Electrostatic Absorption power.Thereby the utlity model has the characteristics that make things convenient for use, stable performance and good looking appearance.Because electrostatic adsorption can be avoided dust from flying when writing wiping with chalk, the protection user's is healthy simultaneously.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is the utility model front view of the utility model electrostatic adsorption posting writing board;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the B-B cut-open view of Fig. 2;
Fig. 4 is the circuit block diagram of the utility model electrostatic adsorption posting writing board;
Fig. 5 is the circuit theory diagrams of the utility model electrostatic adsorption posting writing board.
Among Fig. 1 to Fig. 5,1 is panel, and 2 is attaching plug, the 3rd, and bonnet, the 4th, high-voltage electrostatic power, the 5th, positive induction electrode, the 6th, negative induction electrode, the 7th, the electrostatic element that disappears, the 8th, frame.
The parameter of relevant electronic component or model detail see attached list 1.
In the utility model, it is the epoxy resin board of 0.5～2.0mm that absorption panel 1 is selected thickness for use, and area can be made into 0.5～6.0m
2, and resin plate can be dyed blackboard, blank or other versicolor plate face.
Power supply, the time control circuit and electrostatic generator processing on a printed circuit board, be combined into high-voltage electrostatic power 4, this device is installed in absorption panel 1 back side frame 8 inboards for ultra-thin shape structure, by attaching plug 2 input 220V alternating currents, this 220V alternating current is through transformer B
1, diode D
1～D
4, capacitor C
1The current rectifying and wave filtering circuit of forming, diode D
6～D
14Resistance R
8, capacitor C
7Form the low pressure accessory power supply in order to compensation work power supply, IC
4Be three end direct current stabilizers, through stable 6V direct supply of IC4 output, capacitor C
2, resistance R
1Form clear circuit, resistance R
2, R
3Capacitor C
3And the frequency divider ic chip of band vibration
1Form oscillation frequency dividing circuit, through non-gate ic IC
2Phase inverter is delivered to the not circuit ic chip
3, at IC
3Output to bring out 13 pin output conduction time be that 18 seconds, power-off time are 6 seconds time control signal, deliver to triode T then
1, resistance R
5, capacitor C
4, resistance R
6The phase inverter of forming, this phase inverter output signal pilot relay J
1Switching, direct current 6V power supply is switched by relay be delivered to electrostatic generator, thereby control electrostatic generator break-make work, its working time is 6 seconds, conclude that the electricity time is 18 seconds, electrostatic generator when work output voltage V=1～30,000 volt, 1≤20 microampere of output current, the output voltage positive pole connects positive induction electrode 5, the output voltage negative pole connects negative induction electrode 6, just, negative induction electrode 5 and 6 is made the Z font by metal pool paper, linear pattern, the staggered equidistant empire cloth of camber line shape or other shape is located at absorption panel 1 back side, just, negative induction electrode 5,6 spacings are 10～100mm; The electrostatic element 7 that disappears is parallel to panel induction electrode or electrostatic generator output terminal.
Insulation, moisture seal can adopt to be moored positive and negative induction electrode that paper makes the wide 0.5～150mm of being with metal equidistantly (10～100mm) is posted on the alkali-free glass fiber cloth every certain by vertical bar shaped Z font, camber line shape, and stick the copper sheet of 0.05mm in utmost point band junction, the production technology of pressing epoxy resin board then is with the panel press forming; The contact of electrostatic generator and panel utmost point band and the electrostatic element that disappears is cast with high pressure resistant epoxy resin, and (more than the thickness 0.5mm) insulate, moisture seal.
The mode that the electrostatic element 7 that disappears can adopt resistance or inductance to connect with resistance constitutes, and it is parallel on electrostatic generator output or the induction electrode positive and negative electrode band, or above one or more.
Utmost point band arrangement: the positive and negative induction electrode of plate face can be moored the staggered equidistantly insulation of type, camber or other shape that is in line of paper, metal book sheet, tinsel or electrically-conducting paint by metal and lay and be fixed in the absorption back side of panel, and positive and negative induction electrode width, spacing can be adjusted at 0.5mm～150mm and 10～100mm respectively.
Back shroud 3 is connected with frame 7 usefulness screws.During this posting writing board work, can on the absorption panel, produce about 100～1000Mg/Cm
2Surface adsorption power.
Table 1
| Element | Parameter or model | Element | Parameter or model |
| R 1 | 470K | R 2 | 390K |
| R 3 | 2.7～4.3MΩ | R 4 | 10K |
| R 5 | 5.1K | R 6 | 5.1K |
| R 7 | 1K | R 8 | 1K |
| R 9 | 5.1～27K | C 1 | 1000μF/16V |
| C 2 | 10μF/16V | C 3 | 0.33～0.56μ /50V |
| C 4 | 10μF/16V | C 5 | 0.01μF/50V |
| C 6 | 1000μF/6V | C 7 | 1000μF/25V |
| C 8 | 0.01～0.047μ F/50V | D 1～D 7 | IN4007 |
| D 8 | W12V | D 9～D 12 | IN4007 |
| D 13 | High back-pressure diode | T 1 | 3DG8 |
| T 2 | 9013 | T 3 | D406 |
| IC 1 | CD4060 | IC 2 | CD4069 |
| IC 3 | CD4012 | IC 4 | 7806 |
| J 1 | 4123-06 | BX 1 | 0.2A |
| B 1 | B 2 | High-frequency transformer | |
| Electrostatic element R disappears 10 | 2～12G | ||
Electrostatic adsorption posting writing board described in the utility model, owing to adopted above-mentioned multiple measure, make posting writing board have stronger absorption affinity, this absorption affinity can both play consistently effect under various working environments, simultaneously, owing to adopted static eliminator, avoided the polarization of panel, prolonged serviceable life.
Claims (3)
1. electrostatic adsorption posting writing board comprises that high-pressure electrostatic source, panel, bonnet, frame takes place and is laid in the positive and negative induction electrode of back side of panel, is characterized in that: be provided with the electrostatic element that disappears between electrostatic generator and panel utmost point band.
2. a kind of electrostatic adsorption posting writing board according to claim 1 is characterized in that the described electrostatic element that disappears is parallel on the panel induction electrode both positive and negative polarity band or the electrostatic generator output terminal.
3. a kind of electrostatic adsorption posting writing board according to claim 1 is characterized in that the mode that the described electrostatic element that disappears can adopt resistance or inductance to connect with resistance constitutes.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99211989 CN2400869Y (en) | 1999-06-04 | 1999-06-04 | Electrostatic adsorption posting writing board |
| PCT/CN2000/000130 WO2000074954A1 (en) | 1999-06-04 | 2000-05-24 | Writing board with electrostatic attraction for paper |
| AU47407/00A AU4740700A (en) | 1999-06-04 | 2000-05-24 | Writing board with electrostatic attraction for paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99211989 CN2400869Y (en) | 1999-06-04 | 1999-06-04 | Electrostatic adsorption posting writing board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2400869Y true CN2400869Y (en) | 2000-10-11 |
Family
ID=34004819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99211989 Expired - Fee Related CN2400869Y (en) | 1999-06-04 | 1999-06-04 | Electrostatic adsorption posting writing board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2400869Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071249A (en) * | 2014-07-11 | 2014-10-01 | 哈尔滨工业大学（威海） | Double-caterpillar-band wall-climbing monitoring robot |
-
1999
- 1999-06-04 CN CN 99211989 patent/CN2400869Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071249A (en) * | 2014-07-11 | 2014-10-01 | 哈尔滨工业大学（威海） | Double-caterpillar-band wall-climbing monitoring robot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2400869Y (en) | Electrostatic adsorption posting writing board | |
| CN2401378Y (en) | Electrostatic adsorbed writing board | |
| CN1095430C (en) | Electrostatic adsorption posting writing board | |
| CN2401375Y (en) | Electrostaic adsorbed writing board | |
| CN2400867Y (en) | Electrostatic adsorption posting writing board | |
| CN2400868Y (en) | Electrostatic adsorption posting writing board | |
| CN208314735U (en) | A kind of blackboard writing device based on electronic ink screen | |
| CN204769144U (en) | Novel electrostatic air purification equipment | |
| CN204894634U (en) | Easy abluent novel static dust collecting net | |
| CN2349028Y (en) | Electrostatic sorption writing board | |
| CN213303337U (en) | Economic management teaching demonstration teaching aid | |
| CN2484186Y (en) | Electrostatic-absorbing magnetic writing board for posting | |
| CN208775434U (en) | Dust protecting device is used in a kind of production of wire enamel | |
| CN207667888U (en) | A kind of auto parts machinery surface lacquer integrated apparatus | |
| CN2448581Y (en) | Electricity charging type electrostatic suction blackboard eraser | |
| CN208046445U (en) | A kind of air-conditioning filter circuit | |
| CN208033125U (en) | Connector for connecting supporting rack and panel frame | |
| CN2189002Y (en) | High voltage static electric field arrangement for dust removing | |
| CN2701652Y (en) | Dust-free blackboard eraser | |
| CN2631778Y (en) | Blackboard eraser | |
| CN213602600U (en) | Energy storage type low voltage ride through device | |
| CN209373955U (en) | A kind of college students'employment information management inquiry terminal | |
| CN209356880U (en) | Electric elevatable table controller based on capacitance type touch key control | |
| CN215125667U (en) | Anti-static compact shelf | |
| CN205929602U (en) | Matrixes for embossing is used in paper handkerchief production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |