CN107962900A - A kind of packaged type electric erasing blackboard for education - Google Patents
A kind of packaged type electric erasing blackboard for education Download PDFInfo
- Publication number
- CN107962900A CN107962900A CN201710972297.1A CN201710972297A CN107962900A CN 107962900 A CN107962900 A CN 107962900A CN 201710972297 A CN201710972297 A CN 201710972297A CN 107962900 A CN107962900 A CN 107962900A
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- plate body
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
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- Brushes (AREA)
Abstract
The invention discloses a kind of packaged type electric erasing blackboard for education,Including plate body,Returning face plate,Supporting rod and base,The plate body is in cuboid,Plate body and returning face plate are rotatablely connected by turnover device,The returning face plate includes frame,It is dust-proof chamber on the inside of returning face plate,The dust-proof intracavitary is equipped with scrubbing brush,It is equipped with track along its length in frame,The scrubbing brush is slidably installed in orbit,Pumping rod is equipped with scrubbing brush side,The present apparatus is by setting the returning face plate being rotatablely connected with plate body,It can be bonded when teaching writing is carried out with the plate body back side,Reduce occupied space,It can fit when chalk trace is cleared up on to plate body with plate body front face,Chalk dust is avoided to fly upward,And then suction dust is avoided to damage human body,Returning face plate can be routed up after the completion of cleaning and chalk powder is focused on,And the process three-way motor to erase the board is completed,It is not required laborious operation to complete,It is easy to use,Save manpower.
Description
Technical field
The present invention relates to a kind of educational aid, is specifically a kind of packaged type electric erasing blackboard for education.
Background technology
Blackboard is the auxiliary tool that must be used during mathematical education, and after traditional blackboard writing is full, teacher uses again
Blackboard eraser will be write and take down notes wiped clean, increase the labor intensity of teacher, and cause the substantial amounts of time to waste so that teaching effect
Rate is low.In addition, during wiping, substantial amounts of dust can be produced at the same time in atmosphere, teaching environment is polluted, with teacher
Breathing with student enters in human body, is unfavorable for the health of teaching process Ability of Normal School Students.
The content of the invention
It is an object of the invention to provide a kind of packaged type electric erasing blackboard for education, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical solution：
A kind of packaged type electric erasing blackboard for education, including plate body, returning face plate, supporting rod and base, the plate body is in rectangular
The bodily form, plate body and returning face plate are rotatablely connected by turnover device, and the returning face plate includes frame, is dust-proof chamber on the inside of returning face plate,
The dust-proof intracavitary is equipped with scrubbing brush, is equipped with track along its length in frame, and the scrubbing brush is slidably installed in orbit, in plate
Brush side is equipped with pumping rod, and the length of pumping rod is identical with the length of frame, and pumping rod stretches out from frame facet and is connected with handle
Hand；The supporting rod is fixed on base, and plate body is fixed on post upper；The turnover device includes being fixed on plate body side
Main shaft, main shaft is equipped with rocking bar, and the rocker front end is provided with swing rod by articulated shaft, and swing rod front end is fixed on frame
Lateral surface, the quantity of the turnover device is two groups；The bottom of pumping rod is equipped with rack, is provided with motor on frame, motor leads to
Motor shaft connection gear is crossed, gear is engaged with the rack of pumping rod, and the inner side of the pumping rod is equipped with sliding slot, and frame is equipped with prominent
The pulley gone out, pulley are embedded in sliding slot in a manner of being slidably connected；Lower portion is additionally provided with controller, and the controller includes
Chip IC 1, chip IC 3, diode D1 and crystal oscillator X, the 5 connecting valve S1 of pin of the chip IC 1, the other end for switching S1 connect
Connect switch S2, resistance R4, resistance R6, resistance R7, the anode of diode D4, power supply VCC, the pin 16 of chip IC 1, chip IC 2
Pin 1, the pin 13 of chip IC 3 and the pin 2 of chip IC 4, diode D4 cathode connection resistance R1, resistance R1's is another
The collector of connecting triode V2 is held, the other end connection chip IC 1 of base stage connection the resistance R2, resistance R2 of triode V2 are drawn
Foot 15, the pin 14 of chip IC 1 connect resistance R3, the anode of the other end connection diode D1 of resistance R3, the moon of diode D1
Pole connection capacitance C1, capacitance C2, capacitance C3, resistance R5, resistance R8, resistance R9, the emitter of triode V2, the hair of triode V3
The pin 3 of emitter-base bandgap grading, the pin 8 of chip IC 1 and chip IC 2, the pin 12 of chip IC 1 connect crystal oscillator X and the capacitance C1 other ends, core
The pin 13 of piece IC1 connects the other end of capacitance C2 and the other end of crystal oscillator X, the base of the 2 connecting triode V3 of pin of chip IC 2
Pole, the other end of collector connection resistance R4 and the pin 14 of chip IC 3 of triode V3, the pin 1 of chip IC 3 connect resistance
The other end of R5 and the other end of capacitance C3, the pin 5 of chip IC 3 connect the anode of diode D3, and the cathode of diode D3 connects
The other end of connecting resistance R6, the other end of resistance R8, the pin 1 of the pin 3 of chip IC 4 and chip IC 5, the cathode of diode D2
The pin 3 of the other end of resistance R7, the other end of resistance R9, the pin 1 of chip IC 4 and chip IC 5 is connected, chip IC 4 is drawn
Foot 4 connects motor M and capacitance C4, the other end of other end connection capacitance C4 and the pin 4 of chip IC 5 of motor M, the chip
The model BA5104 of IC1, the model CX20106 of chip IC 2, the model BA5204 of chip IC 3, chip IC 4 and chip
The model of IC5 is LM321.
As the further scheme of the present invention：The one side contacted on the frame with plate body is equipped with rubber gasket.
As further scheme of the invention：The scrubbing brush has soft bristle.
As further scheme of the invention：The motor is direct current generator.
As further scheme of the invention：The model BA5104 of the chip IC 1, the model of chip IC 2
CX20106, the model BA5204 of chip IC 3.
As further scheme of the invention：The lower part of the base is provided with multiple universal wheels.
As further scheme of the invention：The model of the chip IC 4 and chip IC 5 is LM321.
Compared with prior art, the beneficial effects of the invention are as follows：The present apparatus is by setting the upset being rotatablely connected with plate body
Plate, can be bonded when teaching writing is carried out with the plate body back side, reduce occupied space, and chalk trace carries out on to plate body
It can fit when cleaning with plate body front face, avoid chalk dust from flying upward, and then avoid suction dust from causing to hinder to human body
Evil, returning face plate can be routed up chalk powder is focused on after the completion of cleaning, and the process three-way motor to erase the board is completed, and is not required to
Laborious operation is wanted to complete, it is easy to use, save manpower.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the top view of the present invention.
Fig. 3 is the internal structure schematic diagram of returning face plate in the present invention.
Fig. 4 is the annexation figure of pumping rod and frame.
The circuit diagram of Fig. 5 devices in order to control.
1- plate bodys in figure, 2- returning face plates, 21- frames, the dust-proof chambers of 22-, 23- scrubbing brushes, 24- pumping rods, 25- handles, 26- rails
Road, 27- sliding slots, 28- pulleys, 3- turnover devices, 31- main shafts, 32- rocking bars, 33- swing rods, 34- articulated shafts, 4- supporting rods, 5-
Base, 6- universal wheels, 7- motors, 71- motor shafts, 8- gears.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Please refer to Fig.1~5, in the embodiment of the present invention, a kind of packaged type electric erasing blackboard for education, including plate body 1, turn over
Flap 2, supporting rod 4 and base 5, the plate body 1 are in cuboid, and plate body 1 and returning face plate 2 are rotatablely connected by turnover device 3,
The returning face plate 2 includes frame 21, and the one side contacted on frame 21 with plate body 1 is equipped with rubber gasket, and the inner side of returning face plate 2 is anti-
Dirt chamber 22, the dust-proof chamber 22 is interior to be equipped with scrubbing brush 23, is equipped with track 26 along its length in frame 21, the scrubbing brush 23 slides
On track 26, pumping rod 24 is equipped with 23 side of scrubbing brush, the length of pumping rod 24 is identical with the length of frame 21, pull
Bar 24 stretches out from 21 side of frame and is connected with handle 25, and the bottom of pumping rod 24 is equipped with rack, and motor is provided with frame 21
7, motor 7 is engaged by 71 connection gear 8 of motor shaft, gear 8 with the rack of pumping rod 24, and the inner side of the pumping rod 24 is equipped with
Sliding slot 27, frame 21 are equipped with prominent pulley, and pulley is embedded in a manner of being slidably connected in sliding slot 27, passes through 7 band of motor
Moving gear 8 rotates, and gear 8 rotates the pumping rod 24 for driving and being engaged with and moves in the horizontal direction and then drive scrubbing brush 23 along track
26 move back and forth, and scrubbing brush 23 has soft bristle；The supporting rod 4 is fixed on base 5, and plate body 1 is fixed on supporting rod 4
Upper end；The bottom of base 5 is additionally provided with multiple universal wheels 6, facilitates the mobile use of the present apparatus.
The turnover device 3 includes the main shaft 31 for being fixed on 1 side of plate body, and main shaft 31 is equipped with rocking bar 32, described
32 front end of rocking bar is provided with swing rod 33 by articulated shaft 34, and 33 front end of swing rod is fixed on turnover device 3 described in 21 lateral surface of frame
Quantity be two groups；
When carrying out teaching, returning face plate 2 can be overturn to 1 back side of plate body, and then reduce device the space occupied and conveniently
Write, when carrying out wiped clean to plate body 1, returning face plate 2 can be overturn to the front of plate body 1, make frame 21 with before plate body 1
Plate face gluing, sealing, starts motor 8 by the switch on controller, drives pumping rod 24 to move back and forth, make scrubbing brush 23 to plate body 1
Surface is cleared up, and avoids chalk powder from flying upward by dust-proof chamber 22, and then avoids suction dust from damaging human body, has been cleared up
Returning face plate 2 is routed up and chalk powder is focused on by Cheng Houke, easy to use.
The physical circuit of controller is as shown in figure 5, in use, after pushing button S1.Infrared light-emitting diode D4 launches
Infrared ray after coding, IC2 amplifies the infrared signal received, it is anti-phase after be sent in chip IC 3 and decoded, make IC3
5 feet export high level to the in-phase input end of thin chip IC 4 and the inverting input of chip IC 5.Make the same mutually defeated of chip IC 4
Enter terminal potential and be higher than anti-phase input terminal potential, the anti-phase input terminal potential of chip IC 5 is higher than homophase input terminal potential, IC4 outputs
4 feet are held to export high level, 4 feet of IC5 are low level, and driving motor M is rotated forward.Same reason, when pressing S2, shines
Diode D1 sends different coded infrared light signals, after chip IC 2 receives, the 7 feet output high level letter of driving chip IC3
Number, the homophase input terminal potential of chip IC 5 is higher than anti-phase input terminal potential, the anti-phase input terminal potential of chip IC 4 is higher than same
Mutually input terminal potential, 4 foot of IC5 output terminals output high level, 4 feet of IC4 are low level, so as to drive motor M to invert, pass through electricity
The action of machine M can easily control the reciprocating motion of scrubbing brush 23, achieve the purpose that electronic erase the board.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (7)
1. a kind of packaged type electric erasing blackboard for education, including plate body, returning face plate, supporting rod and base, it is characterised in that institute
It is in cuboid to state plate body, and plate body and returning face plate are rotatablely connected by turnover device, and the returning face plate includes frame, in returning face plate
Side is dust-proof chamber, and the dust-proof intracavitary is equipped with scrubbing brush, is equipped with track along its length in frame, and the scrubbing brush is slidably mounted on
On track, pumping rod is equipped with scrubbing brush side, the length of pumping rod is identical with the length of frame, and pumping rod is stretched out from frame facet
And it is connected with handle；The supporting rod is fixed on base, and plate body is fixed on post upper；The turnover device includes fixing
Main shaft in plate body side, main shaft are equipped with rocking bar, and the rocker front end is provided with swing rod, swing rod front end by articulated shaft
Frame lateral surface is fixed on, the quantity of the turnover device is two groups；The bottom of pumping rod is equipped with rack, and electricity is provided with frame
Machine, motor are engaged by motor shaft connection gear, gear with the rack of pumping rod, and the inner side of the pumping rod is equipped with sliding slot, frame
Frame is equipped with prominent pulley, and pulley is embedded in sliding slot in a manner of being slidably connected；Lower portion is additionally provided with controller, described
Controller includes chip IC 1, chip IC 3, diode D1 and crystal oscillator X, and the 5 connecting valve S1 of pin of the chip IC 1, switchs S1
Other end connecting valve S2, resistance R4, resistance R6, resistance R7, the anode of diode D4, power supply VCC, the pin of chip IC 1
16th, the pin 2 of the pin 1 of chip IC 2, the pin 13 of chip IC 3 and chip IC 4, the cathode connection resistance R1 of diode D4, electricity
Hinder the collector of the other end connecting triode V2 of R1, the other end connection of base stage connection the resistance R2, resistance R2 of triode V2
The pin 15 of chip IC 1, the anode of the other end connection diode D1 of the connection of pin 14 the resistance R3, resistance R3 of chip IC 1, two
The cathode of pole pipe D1 connects capacitance C1, capacitance C2, capacitance C3, resistance R5, resistance R8, resistance R9, the emitter of triode V2, three
The pin 3 of the emitter of pole pipe V3, the pin 8 of chip IC 1 and chip IC 2, the pin 12 of chip IC 1 connect crystal oscillator X and capacitance
The C1 other ends, the pin 13 of chip IC 1 connect the other end of capacitance C2 and the other end of crystal oscillator X, and the pin 2 of chip IC 2 connects
The base stage of triode V3, the other end of collector connection resistance R4 and the pin 14 of chip IC 3 of triode V3, chip IC 3
Pin 1 connects the other end of resistance R5 and the other end of capacitance C3, and the pin 5 of chip IC 3 connects the anode of diode D3, two poles
The other end of the cathode connection resistance R6 of pipe D3, the other end of resistance R8, the pin 1 of the pin 3 of chip IC 4 and chip IC 5, two
The other end of the cathode connection resistance R7 of pole pipe D2, the other end of resistance R9, the pin 3 of the pin 1 of chip IC 4 and chip IC 5,
The pin 4 of chip IC 4 connects motor M and capacitance C4, the other end of other end connection capacitance C4 of motor M and drawing for chip IC 5
Foot 4.
A kind of 2. packaged type electric erasing blackboard for education according to claim 1, it is characterised in that on the frame with
The one side of plate body contact is equipped with rubber gasket.
3. a kind of packaged type electric erasing blackboard for education according to claim 1, it is characterised in that the scrubbing brush has
Soft bristle.
4. a kind of packaged type electric erasing blackboard for education according to claim 1, it is characterised in that the motor is straight
Galvanic electricity machine.
A kind of 5. packaged type electric erasing blackboard for education according to claim 1, it is characterised in that the chip IC 1
Model BA5104, the model CX20106 of chip IC 2, the model BA5204 of chip IC 3.
6. a kind of packaged type electric erasing blackboard for education according to claim 1, it is characterised in that under the base
Portion is provided with multiple universal wheels.
A kind of 7. packaged type electric erasing blackboard for education according to claim 1, it is characterised in that the chip IC 4
Model with chip IC 5 is LM321.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710972297.1A CN107962900A (en) | 2017-10-18 | 2017-10-18 | A kind of packaged type electric erasing blackboard for education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710972297.1A CN107962900A (en) | 2017-10-18 | 2017-10-18 | A kind of packaged type electric erasing blackboard for education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107962900A true CN107962900A (en) | 2018-04-27 |
Family
ID=61997640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710972297.1A Pending CN107962900A (en) | 2017-10-18 | 2017-10-18 | A kind of packaged type electric erasing blackboard for education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107962900A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790515A (en) * | 2018-06-21 | 2018-11-13 | 蔡回炯 | A kind of blackboard of middle school teaching |
| CN108831257A (en) * | 2018-06-20 | 2018-11-16 | 长江大学 | A kind of English teaching board facilitating setting-out |
| CN108859511A (en) * | 2018-06-12 | 2018-11-23 | 贾石硕 | A kind of turnover type dust-separation blackboard |
| CN111681464A (en) * | 2020-07-14 | 2020-09-18 | 陕西理工大学 | Digital education technique teaching device |
| CN112721504A (en) * | 2021-01-08 | 2021-04-30 | 皇甫一震 | Multi-functional education show teaching aid of intelligent regulation height |
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| CN112721504A (en) * | 2021-01-08 | 2021-04-30 | 皇甫一震 | Multi-functional education show teaching aid of intelligent regulation height |
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| PB01 | Publication | ||
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Application publication date: 20180427 |