CN105654788B - Classroom corollary apparatus - Google Patents

Classroom corollary apparatus Download PDF

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Publication number
CN105654788B
CN105654788B CN201610083567.9A CN201610083567A CN105654788B CN 105654788 B CN105654788 B CN 105654788B CN 201610083567 A CN201610083567 A CN 201610083567A CN 105654788 B CN105654788 B CN 105654788B
Authority
CN
China
Prior art keywords
blackboard
plate
piston
hole
way cock
Prior art date
Application number
CN201610083567.9A
Other languages
Chinese (zh)
Other versions
CN105654788A (en
Inventor
范旭
Original Assignee
江苏云敩信息科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201610083567.9A priority Critical patent/CN105654788B/en
Publication of CN105654788A publication Critical patent/CN105654788A/en
Application granted granted Critical
Publication of CN105654788B publication Critical patent/CN105654788B/en

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00Electrically-operated educational appliances
    • G09B5/02Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/02Ink reservoirs
    • B43K5/06Ink reservoirs with movable pistons for withdrawing ink from an ink-receptacle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04Blackboards
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04Blackboards
    • B43L1/08Blackboards flexible
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00Blackboard or slate cleaning devices
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03542Light pens for emitting or receiving light
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B17/00Teaching reading
    • G09B17/02Line indicators or other guides or masks

Abstract

The invention discloses a kind of classroom corollary apparatus, including be arranged on metope blackboard, projector, the computer being arranged on lectern are set on roof, for the hand held control pen of teacher;The blackboard be automatic erasing out handwriting, can show that line lattice, electric circulation flexible plate face, flexible plate face are linked together by writing plate face and projection screen and are constituted;The projector and computer communication connection;The control pen includes blackboard pens unit, PPT page turnings unit, laser pointer unit, motor remote control unit.The present invention is ideally fused to multimedia teaching in black board teaching, and multimedia teaching is made to be combined into one naturally, glibly with black board teaching.And have the characteristics that automatic erasing out handwriting, display line lattice, capacity are big, are guided without chalk dust, wireless PPT page turnings, stroboscopic laser.

Description

Classroom corollary apparatus
Technical field
The invention belongs to teaching aid technical field, specially a kind of classroom corollary apparatus.
Background technology
It is wide for the multimedia technology of medium with the video of computer, audio etc. with the development of computer technology and universal It is general to be applied to classroom teaching.But traditional using blackboard, chalk as the teaching method of medium is still classroom instruction mainstream.Multimedia Teaching cuts both ways with conventional teaching, and multimedia technological means effectively ideally should be fused to conventional teaching by we In, so that multimedia teaching is combined into one naturally, glibly with conventional teaching.But there are many to ask for present classroom corollary apparatus Topic:1. traditional blackboard, chalk and multimedia teaching facility are respectively independent, individually control, attended to one thing and lose sight of another using process, operation fiber crops It is tired.2. it is physically and mentally healthy that chalk generates dust long-standing problem teachers and students.3. it is not only laborious but also unclean to be erased the board with blackboard eraser.4. existing blackboard Capacity is smaller, cannot meet the more teaching of content.5. existing blackboard can not show various line lattice automatically, different subjects are cannot be satisfied To line lattice demand.6. in multimedia teaching, teacher, often can only be at one of distance calculation in order to control the page turning of PPT Small range moves, and the interaction with student is restricted.7. multimedia teaching traditional teacher's pointer inconvenient to use is guided, existing Laser guidance device is not easy to cause attention of student, guides effect poor.
In addition, existing white board marker can not also replace blackboard pen, because blackboard is different from blank, write to be used on blackboard Liquid writes out clear word, and writing liquid must have higher concentration that black can just be completely covered, and existing white board marker can not because lacking pressure Leak higher concentration writing liquid.
Invention content
In order to solve the deficiencies in the prior art, the present invention provides a kind of classroom corollary apparatus.
The technical solution adopted in the present invention is:A kind of classroom corollary apparatus, including be arranged on metope blackboard, setting On roof projector, the computer being arranged on lectern, for the hand held control pen of teacher;The blackboard is auto-erasing Writing, can show that line lattice, electric circulation flexible plate face, flexible plate face are linked together structure by writing plate face and projection screen At;The projector and computer communication connection;The control pen includes blackboard pens unit, PPT page turnings unit, laser pointer list Member, motor remote control unit;The blackboard pens unit is by containing liquid chamber, piston storehouse, the first one-way cock, piston, piston rod, the second list It is constituted to valve, nib;It is separated by and is equipped with first through hole between the containing liquid chamber and piston storehouse, and is equipped with the at first through hole One one-way cock;The one-way cock includes sealing of hole ball and the spring composition that is connected with sealing of hole ball;First one-way cock is in work It fills in storehouse, the sealing of hole ball of the first one-way cock can close first through hole, and the spring one end of the first one-way cock is connected with sealing of hole ball, The other end is connected with piston;The piston is equipped with the second through-hole, and be equipped in the second through hole in piston storehouse at piston centre Second one-way cock, piston are linked together by piston rod and nib;The piston rod is hollow, on piston rod one end and piston Second through-hole is connected, and the other end is connected with written cavity, and piston rod is hollow interior equipped with the second one-way cock;Described second is single To valve in piston rod is hollow, the sealing of hole ball of the second one-way cock can close the second through-hole, the spring one of the second one-way cock End is connected with sealing of hole ball, and the other end is connected with piston rod;The nib is made of liquid-permeable material, and nib is linked as one with piston rod Body, be equipped in nib cavity and with piston rod is hollow communicates.When being write on blackboard with blackboard pen, nib is forced through piston Bar compression piston makes the writing liquid in piston storehouse pass through the second through-hole in the hollow cavity into nib of piston rod, in cavity Writing liquid is applied to by nib exudation on blackboard under pressure;When lifting blackboard pen, will be lived by the screen resilience of spring Plug, which pushes, to restore, and causes parital vacuum in piston storehouse, so that writing liquid is passed through first through hole and enters in piston storehouse;Two One-way cock, which makes writing liquid can only enter, to outflow, in addition piston perseveration, ensure that blackboard pen persistently links up and write;By It is to ooze out under pressure, therefore the blackboard pen can use the larger writing liquid of concentration in writing liquid.
Further, the blackboard includes rectangular frame, two roller bearings on the inside of setting frame left and right side, one of rolling Axis is connected with miniature either-rotation motor axis, and the motor is connected to banked relay;Around there are one looped flexibles on two roller bearings Plate face, flexible plate face are linked together by writing plate face and projection screen and are constituted;Projection screen overleaf, works as needs under normal conditions When more writing plate faces or needing using projection screen, it need to only open motor and drive flexibility plate face rotation.For convenience It writes writing plate face, clamping plate is equipped between two interlayer of looped flexible plate face;In order to automatic erasing out handwriting, outside two roller bearings It is correspondingly provided with rolling blackboard eraser between on the inside of side and frame left and right side.
Further, in order to enable flexible plate face to be tensioned, two pass sliding slot is correspondingly provided on the frame below;It is described soft Property plate face lower edges be equipped with protrusion, protrusion is stuck in sliding slot;Flexible plate face is in tensioning state under sliding slot and roller bearing tensioning.
Further, the flexible plate face is linked together by writing plate face and projection screen is constituted;Wherein writing plate face is Water white transparency body, is made of flexible plastic;Projection screen is white, is made of coarse cloth;It is cyclic annular nothing to write plate face and projection screen Seam connection.
Further, the clamping plate connects between two interlayer of looped flexible plate face and with two pass sliding slot middle, clamping plate face For black, the miniature laser lamp that can form transverse light rays is equipped in clamping plate left or right side, in clamping plate top or below equipped with energy The miniature laser lamp of longitudinal light is formed, each laser lamp is needed to utilize and be touched there are one touch switch according to class offerings Switch can form lateral lattice, Zong Xiangge, four line lattice, five line lattice, matts, coordinate grid etc. on blackboard.
Further, the rolling blackboard eraser is that hairbrush is carried on cylinder, and upper and lower side is equipped with gear, can be with the tooth on roller bearing Wheel is mutually engaged, and rolling plate smears gear and is less than roller bearing gear;Rolling plate is smeared equipped with positioning knob, rolling plate can be made to smear Gear is mutually engaged with roller bearing gear, so that rolling plate is smeared gear and is not engaged mutually with roller bearing gear;When need retain book When writing content, when Rotary Blackboard, makes rolling plate smear gear not to be engaged mutually with roller bearing gear, when need not retain written contents When, when Rotary Blackboard, makes rolling plate smear gear to be mutually engaged with roller bearing gear;Closing box is equipped with outside blackboard eraser in addition, rolling Lid.
Further, the control anterior end of pen is blackboard pens unit, and rear end is PPT page turnings unit, laser pointer unit, motor Remote control unit, power supply, front and back end are connected through a screw thread, and control shell is equipped with PPT upturning keys, PPT downturning keys, laser switch Key, blackboard left-hand rotation key, blackboard right-hand rotation key.
Further, the PPT page turnings unit includes that the wireless receiver being arranged in computer USB jack and setting are being controlled Wireless transmitter on pen processed;The wireless receiver includes wireless receiving chip RF83B and the list with USB1.1 data ports Piece machine SN8P2201;The wireless transmitter includes coding chip TDH2240 and ASK wireless transmission chip MICRF113, wherein The coding foot connection PPT upturning keys and PPT downturning keys of coding chip.
Further, in order to enhance guide effect, it is stroboscopic laser, packet to attract attention of student, the laser pointer unit Include laser emitter, impulse generator, field-effect tube, the leakage of the negative input end and field-effect tube of power cathode and impulse generator Pole is respectively connected with, and anode is connected with one end of laser switch, the other end of laser switch and the positive input of impulse generator The anode of end and laser emitter is respectively connected with, and the output end of impulse generator is connected with the grid of field-effect tube, field-effect tube Source electrode be connected with the cathode of laser emitter.
Present invention has the advantages that:1. blackboard is combined with projection screen, blackboard pen shakes with PPT page turnings, laser pointer, motor Control combines, these designs are effectively ideally fused to multimedia teaching in black board teaching, and multimedia teaching is made to be taught with blackboard It learns nature, be combined into one glibly.2. roll blackboard eraser design can automatic erasing out handwriting, laborsaving time saving, it is fixed that rolling plate smears Position knob design can retain written contents as needed.3. the design of looped flexible plate face is increased relative to same specification traditional blackboard Writing amount by about one time can meet the more teaching of content.4. laser lamp design can form lateral lattice, longitudinal direction as needed on clamping plate Lattice, four line lattice, five line lattice, matts, coordinate grid etc. can meet multidisciplinary to line lattice demand.It is passed 5. the design of blackboard pen substitutes System chalk, thoroughly solves chalk dust pollution problem.6. solve can only be in computer for the design of PPT page-turning functions on control pen Upper page turning problem, makes the interaction with student be no longer influenced by limitation, and design structure is simple, easy to implement.7. controlling laser on pen Teacher's pointer design can meet multimedia and the dual teaching needs of blackboard, and guide effect strong, can attract attention of student.8. controlling Pen processed integrates functions as one, one in the comprehensive control of hand, avoid attend to one thing and lose sight of another, forgetful phenomenon generate.
Description of the drawings
If Fig. 1 is blackboard positive structure schematic of the present invention.
If Fig. 2 is blackboard Structure of cross section schematic diagram of the present invention.
If Fig. 3 is flexible plate face deployed configuration schematic diagram of the invention.
If Fig. 4 is clamp region schematic diagram of the present invention.
If Fig. 5 is present invention control structural schematic diagram.
If Fig. 6 is PPT page turnings cellular construction block diagram of the present invention.
If Fig. 7 is laser pointer cellular construction block diagram of the present invention.
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings.
A kind of classroom corollary apparatus, including be arranged on metope blackboard, be arranged on roof projector, be arranged in lectern On computer, for the hand held control pen of teacher;The blackboard is automatic erasing out handwriting, can showing line lattice, electronic The flexible plate face 4 of cycle, flexible plate face are linked together and are constituted by writing plate face 12 and projection screen 13;The projector and meter Calculation machine communicates to connect;The control pen includes blackboard pens unit, PPT page turnings unit, laser pointer unit, motor remote control unit; The blackboard pens unit is single by containing liquid chamber 21, piston storehouse 29, the first one-way cock 19, piston 18, piston rod 17, second It is constituted to valve 32, nib 16;Be separated by between the containing liquid chamber 21 and piston storehouse 29 and be equipped with first through hole 20, and The first one-way cock 19 is equipped at first through hole 20;The one-way cock includes sealing of hole ball 28 and the bullet that is connected with sealing of hole ball 28 Spring 30 is constituted;For first one-way cock 19 in piston storehouse 29, the sealing of hole ball 28 of the first one-way cock 19 can close 30 one end of spring of one through-hole 20, the first one-way cock 19 is connected with sealing of hole ball 28, and the other end is connected with piston 18;Institute Piston 18 is stated in piston storehouse 29, the second through-hole 31 is equipped at 18 center of piston, and be equipped with second at the second through-hole 31 One-way cock 32, piston 18 are linked together by piston rod 17 and nib 16;The piston rod 17 is hollow 33, piston 17 one end of bar is connected with the second through-hole 31 on piston 18, and the other end is connected with written 16 cavitys 34, piston rod 17 The second one-way cock 32 is equipped in hollow 33;For second one-way cock 32 in piston rod 17 hollow 33, second is unidirectional The sealing of hole ball 28 of valve 32 can close the second through-hole 31,30 one end of spring and 28 phase of sealing of hole ball of the second one-way cock 32 Even, the other end is connected with piston rod 17;Described written 16 are made of liquid-permeable material, and nib 16 is linked as one with piston rod 17 Body, nib 16 is interior to be equipped with cavity 34 and is communicated with piston rod 17 hollow 33.When being write on blackboard with blackboard pen, nib 16 are forced through 17 compression piston 18 of piston rod, so that the writing liquid in piston storehouse 29 is passed through the second through-hole 31 and pass through piston Bar 17 hollow 33 enters in written 16 cavitys 34, and writing liquid is applied by 16 exudation of nib under pressure in cavity 34 It is put on blackboard;When lifting blackboard pen, piston 18 is pushed by the screen resilience of spring 30 and is restored, is caused in piston storehouse 29 Parital vacuum makes writing liquid in containing liquid chamber 21 pass through in the entrance piston storehouse 29 of first through hole 20;Two one-way cocks make writing Liquid, which can only enter, to outflow, in addition 18 perseveration of piston, ensure that blackboard pen persistently links up and write;Since writing liquid is It oozes out under pressure, therefore the blackboard pen can use the larger writing liquid of concentration.
Further, the blackboard include rectangular frame 1, setting frame left and right side on the inside of two roller bearings 5, wherein one A roller bearing 5 is connected with 10 axis of miniature either-rotation motor, and the motor 10 is connected to banked relay;It is wound on two roller bearings 5 One looped flexible plate face 4, flexible plate face 4 are linked together and are constituted by writing plate face 12 and projection screen 13;Projection screen 13 Under normal conditions overleaf, when needing more writing plate faces 12 or needing using projection screen 13, motor 1 need to only be opened 0 drives flexible plate face 4 to rotate.It writes in writing plate face 12, is equipped between 4 liang of interlayers of looped flexible plate face for convenience Clamping plate 3;In order to automatic erasing out handwriting, on the inside of two roller bearings, 5 outside and 1 left and right side of frame between be correspondingly provided with rolling blackboard eraser 6。
Further, in order to enable flexible plate face 4 to be tensioned, two pass sliding slot 2 is correspondingly provided on the frame 1 below;Institute It states 4 lower edges of flexible plate face and is equipped with protrusion 11, protrusion 11 is stuck in sliding slot 2;Flexible plate face 4 is in 5 tensioning of sliding slot 2 and roller bearing It is in tensioning state down.
Further, the flexible plate face 4 is linked together and is constituted by writing plate face 12 and projection screen 13;Wherein write Plate face 12 is water white transparency body, is made of flexible plastic;Projection screen 13 is white, is made of coarse cloth;It writes plate face 12 and throws Shadow screen 13 is cyclic annular is seamlessly connected.
Further, the clamping plate 3 connects between 4 liang of interlayers of looped flexible plate face and with 2 middle of two pass sliding slot, clamping plate 3 faces are black, and the miniature laser lamps 14 of transverse light rays can be formed by being equipped in 3 left or right side of clamping plate, on the cover 3 side or under Side is equipped with the miniature laser lamp 14 that can form longitudinal light, and there are one touch switch 15 for each laser lamp, according in classroom Appearance needs that using touch switch 15 lateral lattice, Zong Xiangge, four line lattice, five line lattice, matts, coordinate can be formed on blackboard Lattice etc..
Further, the rolling blackboard eraser 6 be cylinder on carry hairbrush, upper and lower side be equipped with gear 8, can on roller bearing 5 7 phase of gear occlusion, and roll 6 gear 8 of blackboard eraser be less than 5 gear 7 of roller bearing;It rolls blackboard eraser 6 and is equipped with positioning knob 9, energy So that 6 gear 8 of rolling blackboard eraser is engaged with 5 gear of roller bearing, 7 phase, can also make 6 gear 8 of rolling blackboard eraser and 5 gear 7 of roller bearing not Mutually it is engaged;When needing to retain written contents, when Rotary Blackboard, can make rolling plate wipe 6 gears 8 with 5 gear 7 of roller bearing not It is mutually engaged, when that need not retain written contents, when Rotary Blackboard can make rolling plate wipe 6 gears 8 and 5 gear 7 of roller bearing Mutually it is engaged;In addition, rolling 6 outside of blackboard eraser is equipped with closing box cover.
Further, the control anterior end of pen is blackboard pens unit, and rear end is PPT page turnings unit, laser pointer unit, motor Remote control unit, power supply, front and back end by screw thread 22 connect, control shell be equipped with PPT upturning keys 27, PPT downturning keys 25, Laser switch key 23, blackboard left-hand rotation key 26, blackboard right-hand rotation key 24.
Further, the PPT page turnings unit includes that the wireless receiver being arranged in computer USB jack and setting are being controlled Wireless transmitter on pen processed;The wireless receiver includes wireless receiving chip RF83B and the list with USB1.1 data ports Piece machine SN8P2201;The wireless transmitter includes coding chip TDH2240 and ASK wireless transmission chip MICRF113, wherein The coding foot connection PPT upturning keys 27 and PPT downturning keys 25 of coding chip.
Further, in order to enhance guide effect, it is stroboscopic laser, packet to attract attention of student, the laser pointer unit Include laser emitter, impulse generator, field-effect tube, the leakage of the negative input end and field-effect tube of power cathode and impulse generator Pole is respectively connected with, and anode is connected with one end of laser switch, the other end of laser switch and the positive input of impulse generator The anode of end and laser emitter is respectively connected with, and the output end of impulse generator is connected with the grid of field-effect tube, field-effect tube Source electrode be connected with the cathode of laser emitter.

Claims (9)

1. a kind of classroom corollary apparatus, it is characterized in that:The device include the blackboard being arranged on metope, setting projected on roof Device, the computer being arranged on lectern, for the hand held control pen of teacher;The blackboard be automatic erasing out handwriting, can show Timberline lattice, electric circulation flexible plate face, flexible plate face are linked together by writing plate face and projection screen and are constituted;The projection Device and computer communication connection;The control pen includes blackboard pens unit, PPT page turnings unit, laser pointer unit, motor remote control Unit;The blackboard pens unit is by containing liquid chamber, piston storehouse, the first one-way cock, piston, piston rod, the second one-way cock, nib It constitutes;It is separated by and is equipped with first through hole between the containing liquid chamber and piston storehouse, and is equipped with the first one-way cock at first through hole; The one-way cock includes sealing of hole ball and the spring composition that is connected with sealing of hole ball;First one-way cock is in piston storehouse, and first The sealing of hole ball of one-way cock can close first through hole, and the spring one end of the first one-way cock is connected with sealing of hole ball, the other end and work Plug is connected;The piston is equipped with the second through-hole, and be equipped with the second check valve in the second through hole in piston storehouse at piston centre Door, piston are linked together by piston rod and nib;The piston rod is hollow, piston rod one end and the second through-hole phase on piston Connection, the other end are connected with written cavity, and piston rod is hollow interior equipped with the second one-way cock;Second one-way cock is in work In stopper rod is hollow, the sealing of hole ball of the second one-way cock can close the second through-hole, spring one end and the sealing of hole ball of the second one-way cock It is connected, the other end is connected with piston rod;The nib is made of liquid-permeable material, and nib is linked together with piston rod, is set in nib Have cavity and with piston rod is hollow communicates.
2. a kind of classroom corollary apparatus according to claim 1, it is characterized in that:The blackboard includes rectangular frame, setting Two roller bearings on the inside of frame left and right side, one of roller bearing is connected with miniature either-rotation motor axis, and the motor is connected to remote control Relay;Around there are one looped flexible plate face on two roller bearings, flexible plate face is linked together by writing plate face and projection screen It constitutes;Clamping plate is equipped between two interlayer of looped flexible plate face;It is correspondingly provided between on the outside of two roller bearings and on the inside of frame left and right side Roll blackboard eraser.
3. a kind of classroom corollary apparatus according to claim 2, it is characterized in that:Two pass cunning is correspondingly provided on the frame below Slot;The flexibility plate face lower edges are equipped with protrusion, and protrusion is stuck in sliding slot;Flexible plate face is under sliding slot and roller bearing tensioning Tensioning state.
4. a kind of classroom corollary apparatus according to claim 1 or claim 2, it is characterized in that:The flexibility plate face by writing plate face and Projection screen is linked together composition;It is water white transparency body wherein to write plate face, is made of flexible plastic;Projection screen is white, is used Coarse cloth is made;It is cyclic annular be seamlessly connected to write plate face and projection screen.
5. a kind of classroom corollary apparatus according to claim 2, it is characterized in that:The clamping plate is in two interlayer of looped flexible plate face Between and connect with two pass sliding slot middle, clamping plate face is black, and the micro- of transverse light rays can be formed by being equipped in clamping plate left or right side Type laser lamp, in clamping plate top or below equipped with the miniature laser lamp that can form longitudinal light, there are one touch for each laser lamp Dynamic switch.
6. a kind of classroom corollary apparatus according to claim 2, it is characterized in that:The rolling blackboard eraser is band hairiness on cylinder Brush, upper and lower side are equipped with gear, can be mutually engaged with the gear on roller bearing, and rolling plate smears gear and is less than roller bearing gear;It rolls Blackboard eraser is equipped with positioning knob, and rolling plate can be made to smear gear and be mutually engaged with roller bearing gear, can also rolling plate be made to smear gear It is not engaged mutually with roller bearing gear;It rolls and is equipped with closing box cover outside blackboard eraser.
7. a kind of classroom corollary apparatus according to claim 1, it is characterized in that:The control anterior end of pen is blackboard pens unit, Rear end is PPT page turnings unit, laser pointer unit, motor remote control unit, power supply, and front and back end is connected through a screw thread, and is controlled outside pen Shell is equipped with PPT upturning keys, PPT downturning keys, laser switch key, blackboard left-hand rotation key, blackboard right-hand rotation key.
8. according to a kind of classroom corollary apparatus of claim 1 or 7, it is characterized in that:The PPT page turnings unit includes that setting exists Wireless receiver in computer USB jack and the wireless transmitter being arranged on control pen;The wireless receiver includes nothing Line receives the chip RF83B and microcontroller SN8P2201 with USB1.1 data ports;The wireless transmitter includes coding chip TDH2240 and ASK wireless transmission chip MICRF113 are wherein turned under the coding foot connection PPT upturning keys and PPT of coding chip Key.
9. according to a kind of classroom corollary apparatus of claim 1 or 7, it is characterized in that:The laser pointer unit swashs for stroboscopic Light, including laser emitter, impulse generator, field-effect tube, the negative input end and field-effect of power cathode and impulse generator The drain electrode of pipe is respectively connected with, and anode is connected with one end of laser switch, the other end of laser switch and impulse generator The anode of positive input terminal and laser emitter is respectively connected with, and the output end of impulse generator is connected with the grid of field-effect tube, field The source electrode of effect pipe is connected with the cathode of laser emitter.
CN201610083567.9A 2016-02-12 2016-02-12 Classroom corollary apparatus CN105654788B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610083567.9A CN105654788B (en) 2016-02-12 2016-02-12 Classroom corollary apparatus

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN201610083567.9A CN105654788B (en) 2016-02-12 2016-02-12 Classroom corollary apparatus
CN201810129710.2A CN108182828A (en) 2016-02-12 2016-02-12 Using the classroom corollary apparatus and its method of work of projector
CN201810135132.3A CN108335532A (en) 2016-02-12 2016-02-12 The classroom corollary apparatus based on projector, computer for multimedia teaching
CN201810129721.0A CN108257427A (en) 2016-02-12 2016-02-12 Using projector and the classroom corollary apparatus and its method of work of computer
CN201810134065.3A CN108346321A (en) 2016-02-12 2016-02-12 Classroom corollary apparatus based on projector, computer

Related Child Applications (4)

Application Number Title Priority Date Filing Date
CN201810135132.3A Division CN108335532A (en) 2016-02-12 2016-02-12 The classroom corollary apparatus based on projector, computer for multimedia teaching
CN201810129721.0A Division CN108257427A (en) 2016-02-12 2016-02-12 Using projector and the classroom corollary apparatus and its method of work of computer
CN201810134065.3A Division CN108346321A (en) 2016-02-12 2016-02-12 Classroom corollary apparatus based on projector, computer
CN201810129710.2A Division CN108182828A (en) 2016-02-12 2016-02-12 Using the classroom corollary apparatus and its method of work of projector

Publications (2)

Publication Number Publication Date
CN105654788A CN105654788A (en) 2016-06-08
CN105654788B true CN105654788B (en) 2018-07-13

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Application Number Title Priority Date Filing Date
CN201810129721.0A CN108257427A (en) 2016-02-12 2016-02-12 Using projector and the classroom corollary apparatus and its method of work of computer
CN201810134065.3A CN108346321A (en) 2016-02-12 2016-02-12 Classroom corollary apparatus based on projector, computer
CN201810129710.2A CN108182828A (en) 2016-02-12 2016-02-12 Using the classroom corollary apparatus and its method of work of projector
CN201610083567.9A CN105654788B (en) 2016-02-12 2016-02-12 Classroom corollary apparatus
CN201810135132.3A CN108335532A (en) 2016-02-12 2016-02-12 The classroom corollary apparatus based on projector, computer for multimedia teaching

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Application Number Title Priority Date Filing Date
CN201810129721.0A CN108257427A (en) 2016-02-12 2016-02-12 Using projector and the classroom corollary apparatus and its method of work of computer
CN201810134065.3A CN108346321A (en) 2016-02-12 2016-02-12 Classroom corollary apparatus based on projector, computer
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