CN201385509Y - Novel electric dustless flexible blackboard - Google Patents
Novel electric dustless flexible blackboard Download PDFInfo
- Publication number
- CN201385509Y CN201385509Y CN200920126994U CN200920126994U CN201385509Y CN 201385509 Y CN201385509 Y CN 201385509Y CN 200920126994 U CN200920126994 U CN 200920126994U CN 200920126994 U CN200920126994 U CN 200920126994U CN 201385509 Y CN201385509 Y CN 201385509Y
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- blackboard
- base plate
- soft
- motor
- wiped
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- Expired - Fee Related
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Abstract
The utility model relates to a novel electric dustless flexible blackboard which adopts a PVC decorative flexible plate as a writing plate surface of a blackboard, two ends are wrapped on two rotary shafts, the upper ends of a rotary blackboard eraser and a driving scroll bar are respectively provided with motors, the writing surface of the flexible writing plate surface is tightly contacted with a left rotary type blackboard eraser and a right rotary type blackboard eraser through a left turning shaft and a right turning shaft, a control part drives the motors to rotate, an electromotor is used to drive the rotation shaft to rotate, thereby, the plate surface can move leftwards or rightwards, double-shaft design enables the flexible plate surface to change direction when the flexible plate surface passes through fixing shafts on two sides of the blackboard, the frontal area of the plate surface is turned to the back, and words can be automatically wiped through the rotary type blackboard erasers which are arranged on the back and are additionally provided with the electromotor. The novel electric dustless flexible blackboard only need common chalks in writing, and can achieve the labor-saving, dustless, intelligent and rapid purposes in erasing.
Description
Technical field
The utility model relates to a kind of electronic educational aid, is specifically related to a kind of clipboard face.
Background technology
Blackboard is the requisite educational aid of education sector.But the blackboard that generally uses is to use aluminium alloy as framework at present, and wood materials or other hardmetal materials are made panel, spray blackboard paint then and reach the purpose of writing and wiping.Clearly, there are many deficiencies in this traditional blackboard: write area is limited, writes and has only manual erase could continue to write after full; Need manually wipe blackboard, require great effort very much, and be difficult for wiping clean, influence writing effect; As main frame, cost is higher with aluminium alloy for existing blackboard majority; And can produce a large amount of dusts, make the electric equipment life-span in the classroom shorten greatly, such as computer, projecting apparatus, recorder etc., even when using so-called " heavy dirt chalk " or " dust-free chalk " on existing blackboard, to write or wipe, dust is still very big, brings waste and loss for like this school's property, and healthy unfavorable to the user, particularly the high crowd of frequency of utilization such as teacher easily causes breathing problem.
Prior art discloses some driven blackboards, and (application number 03112751.7, applying date 2003.07.23) discloses a kind of blackboard that adopts electric erasing as patent of invention, but this blackboard uses plant equipment such as clutch, cause complicated in mechanical structure, be difficult for producing, have higher fault rate.Can not control automatically, need artificial judgment that blackboard is wiped, influence and wiped using and applying of blackboard automatically.
In order to solve the above-mentioned weak point of existing blackboard, the utility model designs a kind of electric dustfree soft blackboard.
Summary of the invention
The utility model adopts brand new at the above-mentioned defective of existing blackboard, designs the electronic soft blackboard of a kind of new no-dust, can reach automatically wipe, dustless, increase the purpose of write area fast.
The technical scheme that its technical problem that solves the utility model adopts is, adopt one section blackish green PVC to decorate the clipboard face of film as blackboard, two ends are rolled on two rotating axles, rotate with the motor drives driving shaft, thereby make plate towards a left side or move right, simultaneously, soft PVC clipboard face changes direction when the steering spindle of process blackboard both sides, make the plate face obvert the back side, wipe by the rotary blackboard that is added with motor that is arranged on the back side when the clipboard face moves, the writing of writing on clipboard can be wiped automatically.Four motor use semicircle quoit to be fixed on above the base plate, a left side, the right turn axle is by the parallel base plate both sides that are fixed on of metallic oil sealing bearing, and it is parallel with base plate, wipe turning cylinder near the left steering axle by the left side that the parallel installation on base plate of metallic oil sealing bearing is wrapped with felt, the right side that is wrapped with felt is wiped turning cylinder and is installed in parallel on the base plate near the right turn axle by the metallic oil sealing bearing, a left side initiatively scroll bar and right initiatively scroll bar at interval suitably distance be installed in parallel in the base plate middle part, its two back gauges left side wipe turning cylinder and right side wipe the distance of turning cylinder can be about equally.One of the clipboard face twines counterclockwise and is fixed on the left side active scroll bar, and turning cylinder is wiped in the left side that tight contact is wrapped with felt through writing surface of pulling to the right, pass through the left steering axle steer again to electronic soft blackboard front, the process backing plate is looped around on the right turn axle again and goes to the back side, process and writing surface closely contact the right side that is wrapped with felt and wipe turning cylinder, at last to be wrapped in clockwise on the right active scroll bar.
In the upper right side of clipboard face, a fixedly clipboard face can be set, this dustless electronic soft blackboard adopts single-chip microcomputer as the control processor, and the rotation of control motor drives the clipboard face and rotates, and judges rotation direction and position automatically.When the clipboard face turns to the back side of blackboard, be wrapped in the felt of wiping on the turning cylinder writing on the clipboard face is wiped.
The control section output connects the input control end of motor respectively, control motor startup and stop.Control section adopts the AT89S51 single-chip microcomputer to be the control processor.Left side trim button, right trim button, automatic work button, the output of photo resistance connects control processor input respectively, control processor output connects initiatively motor of left side respectively, motor is wiped in the left side, the right side main motor, the control end of motor is wiped on the right side, place a transparent material in the centre of clipboard face, photo resistance is rotated residing position by the soft clipboard of the position judgment that detects this transparent material, the corresponding output end output control signal of control processor, drive initiatively motor of left side, motor is wiped in the left side, the right side main motor, motor is wiped on the right side, control motor rotation or stop, and judge the current rotation direction that should select of motor, determine next rotation direction simultaneously.
The utility model adopts control automatically, and can judge the rotation direction of blackboard automatically and wipe, the mechanical part simplicity of design, fault rate is low.When writing, only common chalk need be used, laborsaving, dustless, intelligent, purpose fast can be reached when wiping.
Description of drawings
Fig. 1 is the structural map of overlooking of the present utility model
Fig. 2 is the structural map of facing of the present utility model
Fig. 3 is a side-looking structural map in right side of the present utility model
Fig. 4 is the theory structure block diagram of the utility model control section
The specific embodiment
Below in conjunction with accompanying drawing and instantiation enforcement of the present utility model is further specified.
Be illustrated in figure 1 as the utility model and open the structural map of overlooking behind the first surface decorating cover, four motor 2,3,4,5 use semicircle quoits to be fixed on above the base plate 12.Left and right steering spindle is by the parallel base plate both sides (width is identical with a normal blackboard width) that are fixed on of metallic oil sealing bearing, and it is parallel with base plate, wipe turning cylinder by the left side that the parallel installation on base plate of second left metallic oil sealing bearing is wrapped with felt near the left steering axle, the right side that is wrapped with felt is wiped turning cylinder and is installed in parallel on the base plate near the right turn axle by second right metallic oil sealing bearing.A left side initiatively scroll bar and right initiatively scroll bar at interval suitably distance be installed in parallel in the base plate middle part, its two back gauges left side wipe turning cylinder and right side wipe the distance of turning cylinder can be about equally.
The laying method of soft PVC clipboard face 6: one of the clipboard face twines counterclockwise and is fixed on the left side active scroll bar 18, and turning cylinder 17 is wiped in the left side that tight contact is wrapped with felt through writing surface of pulling to the right, be diverted to electronic soft blackboard front by left steering axle 16 again, process backing plate 22 is looped around on the right turn axle 21 again and goes to the back side, process and writing surface closely contact the right side that is wrapped with felt and wipe turning cylinder 20, at last to be wrapped in clockwise on the right active scroll bar 19.The total length that soft PVC writes lining can be 3 times of blackboard panel length.
Be illustrated in figure 2 as the utility model open behind the first surface decorating cover face structural map.Among the figure, this driven dust-free soft blackboard comprises, metallic oil sealing bearing 1, and motor (12V100r/min) 2 is wiped in the left side, main motor (12V 22r/min) 3 is rotated in the left side, motor (12V 100r/min) 4 is wiped on the right side, and main motor (12V 22r/min) 5 is rotated on the right side, and soft PVC writes film 6, connect powder plate 7, chalk holder 8, circuit control box and control panel 9 comprise the fixedly clipboard face 10 of support, 12V 3A power supply adaptor 11, base plate 12, left trim button 13, play button 14, right trim button 15, turning cylinder 16 is wiped in the left side, left steering axle 17, and a left side is scroll bar 18 initiatively, right initiatively scroll bar 19, turning cylinder 20 is wiped on the right side, right turn axle 21, backing plate 22.
Two metallic oil sealing bearings are separately fixed at the left and right sides of base plate upper end, and six metallic oil sealing bearings are placed on the lower end of base plate by suitable distance, and the bearing that is positioned at left and right sides upper and lower side is aimed at respectively.Left steering axle and right turn axle upper and lower end are installed in respectively on four metallic oil sealing bearings that are fixed on the base plate.Left and right steering spindle is passed through the bearing secured in parallel of the base plate left and right sides on base plate, the left side that is wrapped with felt is wiped turning cylinder, a left side and initiatively scroll bar, right initiatively scroll bar and the right side that is wrapped with felt is wiped four the metallic oil sealing bearings of turning cylinder lower end by being fixed on the base plate lower end and be parallel to each other by from left to right order and be installed on the base plate, and four motor 2,3,4,5 are installed in the left side respectively and wipe initiatively scroll bar, right initiatively scroll bar and the right side upper end of wiping turning cylinder of turning cylinder, a left side.
The length of above-mentioned axle all is slightly larger than the vertical height of soft PVC writing surface film.Wipe turning cylinder and right side wipes and all is wrapped with felt on the turning cylinder in the left side.
The left side at electronic soft blackboard base plate is equipped with a fixedly clipboard face 10 by support, and rotatable writing when the zone plate face rotates is fixed on the front, is used to write the long-time information that keeps of some needs, such as school timetable or the like.A chalk holder is set and rotates control section in rotatable lower right side of writing the zone, rotate on the control panel of control section main be provided be control the time needed button, comprise left trim button 13, groundwork button 14, right trim button 15, the below of rotatable clipboard face is provided with one and connects the powder plate.The output that rotates control section connects the control input end of four motor respectively.
Fig. 3 is a side-looking structural map in right side of the present utility model, and 12V 3A power supply adaptor 11 directly is fixed on the base plate 12, can be fixed on fixing clipboard face below.
Be illustrated in figure 4 as rotation of the present utility model and wipe the control section theory diagram.It is main control chip (control processor) that control section adopts the AT89S51 single-chip microcomputer, a left side trim button, right trim button, the work output of button, photo resistance connects control processor input respectively automatically, and control processor output connects the left side respectively, and initiatively the control end that motor, right side main motor, right side are wiped motor is wiped in motor, left side.Place a transparent material in the centre of clipboard face, photo resistance is rotated residing position by the soft clipboard of the position judgment that detects this transparent material, the corresponding output end output control signal of control processor, initiatively motor, left side are wiped motor, right side main motor, right side and are wiped motor to drive the left side, control motor rotation or stop, and judge the current rotation direction that should select of motor, determine next rotation direction simultaneously.
The driving voltage of electric motor is 12V, and the utility model is selected the duty of motor by Single-chip Controlling 5V relay.Automatically play button is used to start soft rotation of writing the space of a whole page, and left trim button, right trim button are used to adjust clipboard and still do the fine setting rotation towards a left side to the right.Above-mentioned button connects working power by pull-up resistor, when pressing the button, produce high level signal triggering control processor and export control signal from control port, initiatively motor or right side main motor are wiped in motor, left side, the right side is wiped motor and rotated for control left side, initiatively scroll bar rotates, drive clipboard towards a left side or turn right, drive left and right side and wipe motor and rotate, the left and right side that is wrapped with felt is wiped turning cylinder and is rolled backward, wipes the writing on the clipboard face.
Illustrate further operation principle of the present utility model below in conjunction with the real work step.
If need wipe all chalk writings on the blackboard fully, press the automatic play button on the control panel, the control processor is judged the direction that the clipboard face should rotate by the photo resistance inductor, if should rotate to the left, be soft PVC write lining by left steering axle scrolling to a left side scroll bar initiatively, then control the adhesive of processor trigger relay and provide 12V operating voltage motor, and rotation main motor on the left of starting, the soft PVC of scrolling writes lining to make it rotate also, simultaneously, the trigger relay adhesive is wiped motor to the left side 12V is provided voltage, and starter motor, make the left side be wrapped with felt wipe turning cylinder 17 backward rotation, write handwriting above the lining thereby wipe soft PVC.After wiping complete clipboard face, the control processor cuts off the power supply of all motor by inductor, stops the rotation of corresponding axis, and scrolling and erasing move.Next time, the user need press automatic play button once more when using, soft PVC write lining will to rotated opposite direction (right side) motion last time, operation principle and motion to the left are in like manner.
When special circumstances, write chalk writing on the lining such as only needing to rotate and wipe a bit of soft PVC, rather than whole plate face, the user can be by bottom left trim button or right trim button, the clipboard face is finely tuned to the left or to the right, decontrol button and promptly stop to move.If need write some immobilized substances, promptly need long-time the reservation and the content of not wiping, the user can write on fixing clipboard face.
After using a period of time, unclean phenomenon may appear wiping, and at this moment need to clear up each side that is wrapped with felt and wipe turning cylinder.Wiping turning cylinder with the left side of removing and cleaning is wrapped with felt is example.At first unload fixing left side and wipe two screws of motor, can extract the left side of wiping motor and being wrapped with felt in the left side out and wipe turning cylinder, the chalk dust on surface is clapped got final product.
Can be provided with one in the lower end of the soft clipboard face of base plate and connect the powder plate, the lower right corner can be provided with a chalk holder, is used to connect the chalk dust that produces when writing and places chalk.
Claims (5)
1, the electric dustfree soft blackboard, comprise, soft clipboard face, base plate, bearing, motor, a left side, the right turn axle, a left side, the rotatable blackboard eraser of dextrorotation, a left side, right initiatively scroll bar, control section, it is characterized in that, steering spindle, rotary blackboard is wiped, initiatively scroll bar by bearing fixing on base plate, rotary blackboard is wiped, initiatively the upper end of scroll bar is separately installed with motor, soft clipboard face is by a left side, the right turn axle, its writing surface closely contacts a left side, the rotatable blackboard eraser of dextrorotation, two ends are rolled on two active scroll bars that are positioned at the base plate middle part, and the control section output connects the start-up control end of each motor.
2, driven dust-free soft blackboard according to claim 1, it is characterized in that, left and right steering spindle is parallel to each other and is installed in the base plate both sides, near the left-handed rotatable blackboard eraser of left steering axle parallel installation on base plate, left and right active scroll bar is parallel to each other and is installed in the base plate middle part, and the rotatable blackboard eraser of dextrorotation is installed in parallel on the base plate near the right turn axle.
3, driven dust-free soft blackboard according to claim 1 and 2, it is characterized in that, middle part at soft clipboard face also is provided with a transparent material, photo resistance connects control processor input in the control section, photo resistance detects the position that transparent material is judged soft clipboard face, and control section is controlled its rotation direction.
4, driven dust-free soft blackboard according to claim 1 and 2 is characterized in that, rotary blackboard is wiped to being wrapped with the turning cylinder of wiping of felt, and soft clipboard face is that PVC decorates film, and its length is 3 times of blackboard panel length.
5, driven dust-free soft blackboard according to claim 1 and 2 is characterized in that, a fixedly clipboard face is installed on the top-right base plate of soft clipboard face, below install one and connect the powder plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920126994U CN201385509Y (en) | 2009-04-13 | 2009-04-13 | Novel electric dustless flexible blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920126994U CN201385509Y (en) | 2009-04-13 | 2009-04-13 | Novel electric dustless flexible blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201385509Y true CN201385509Y (en) | 2010-01-20 |
Family
ID=41578034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920126994U Expired - Fee Related CN201385509Y (en) | 2009-04-13 | 2009-04-13 | Novel electric dustless flexible blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201385509Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950323A (en) * | 2014-01-01 | 2014-07-30 | 梅有智 | Blackboard with automatic blackboard eraser |
| CN104476952A (en) * | 2014-12-30 | 2015-04-01 | 何周凯 | Dust-free blackboard |
| CN106004176A (en) * | 2016-07-02 | 2016-10-12 | 深圳市中幼国际教育科技有限公司 | Mathematics teaching board |
-
2009
- 2009-04-13 CN CN200920126994U patent/CN201385509Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950323A (en) * | 2014-01-01 | 2014-07-30 | 梅有智 | Blackboard with automatic blackboard eraser |
| CN104476952A (en) * | 2014-12-30 | 2015-04-01 | 何周凯 | Dust-free blackboard |
| CN106004176A (en) * | 2016-07-02 | 2016-10-12 | 深圳市中幼国际教育科技有限公司 | Mathematics teaching board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100120 Termination date: 20120413 |