CN104095400A - Multimedia mobile class - Google Patents
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- CN104095400A CN104095400A CN201410301976.2A CN201410301976A CN104095400A CN 104095400 A CN104095400 A CN 104095400A CN 201410301976 A CN201410301976 A CN 201410301976A CN 104095400 A CN104095400 A CN 104095400A
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- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 241001633942 Dais Species 0.000 claims description 136
- 230000033001 locomotion Effects 0.000 claims description 22
- 230000003028 elevating effect Effects 0.000 claims description 18
- 230000009183 running Effects 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 5
- 238000009987 spinning Methods 0.000 claims description 3
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- 230000005540 biological transmission Effects 0.000 description 4
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Abstract
The invention discloses a multimedia mobile class. The multimedia mobile class comprises a main body frame, a white board module, a platform module, a projector module and an electric control system, wherein the white board module comprises a white board folding and unfolding mechanism, a white board lifting mechanism, a side white board and a main white board; the white board lifting mechanism drives the main white board and the side white board to lift; the white board folding and unfolding mechanism drives the side white board to be unfolded; the platform module is fixed to the main body frame and comprises a platform unfolding mechanism and a platform; the platform is unfolded and folded by the platform unfolding mechanism; the projector module comprises a projector and a projector movable trolley; the projector module is arranged inside the main body frame; the projector which is placed on the projector movable trolley is used for projecting on the white boards; the electric control system is connected with the white board module and the platform module; electric control is carried out on the white board module and the platform module by the electric control system. The multimedia mobile class is suitable for being used on many places where multimedia teaching equipment is not suitable for installation, the use is simple and convenient, and the occupied space is small.
Description
Technical field
The present invention relates to teaching aid field, particularly a kind of Multimedia Mobile classroom.
Background technology
Classroom all adopts multimedia form mostly now---and utilize the mode that projecting apparatus combines with blackboard to impart knowledge to students, this form has not only facilitated teaching, and student is also easier to understand.Yet, in laboratory, the place such as open air or factory attached to a school, lack the teaching hardware such as multimedia, caused a lot of inconvenience to teacher's teaching, listening to the teacher of student.
Summary of the invention
The problem that the present invention solves is to provide a kind of Multimedia Mobile classroom, can be easily in laboratory, the place such as open air or factory attached to a school carries out multimedia teaching or displaying.
For addressing the above problem, the embodiment of the present invention provides a kind of Multimedia Mobile classroom, comprising: main body frame, whiteboard module, dais module, projector module, electric control system; Described whiteboard module is fixed on main body frame, comprises blank folding-unfolding mechanism, blank elevating mechanism, side blank, main blank, and described blank elevating mechanism drives main blank and side blank to rise, and simultaneously described blank folding-unfolding mechanism drives side blank to launch; Described dais module is fixed on main body frame, comprises dais development mechanism, dais, utilizes dais development mechanism dais is launched and draw in; Described projector module comprises projecting apparatus, projecting apparatus billy gate, and described projector module is placed on main body frame inside, utilizes the projecting apparatus being placed on projecting apparatus billy gate on blank, to carry out projection; Described electric control system is connected with whiteboard module, dais module, utilizes described electric control system to carry out electric control to whiteboard module, dais module.
Optionally, described blank folding-unfolding mechanism comprises the blank motor of taking down the exhibits, blank the first screw mandrel, blank the first feed screw nut, blank the first guide rail, blank the first slide block and blank first connecting rod, the blank motor of taking down the exhibits is fixed on main body frame, described blank is taken down the exhibits after motor rotation, blank the first screw mandrel rotation that drive is attached thereto, blank the first feed screw nut is travelled forward, blank the first feed screw nut drives blank the first slide block to do rectilinear motion along blank the first guide rail, blank the first slide block connects blank first connecting rod one end by bearing, the blank first connecting rod other end is connected with side blank, thereby promoting side blank launches, until blank the first slide block movement is to extreme position.
Optionally, described blank elevating mechanism comprises blank lifting motor, blank the second screw mandrel, blank the second feed screw nut, described blank lifting motor is fixed on blank back, after running, drive blank the second screw mandrel rotation, blank the second feed screw nut maintain static, and the power of generation passes to blank lifting motor place by blank the second screw mandrel, drives positive blank and side blank to rise or decline.
Optionally, described blank elevating mechanism comprises blank lifting motor, gear, tooth bar, described blank lifting motor is fixed on main body frame, described tooth bar is fixed on positive blank, the interlock of described wheel and rack phase, after running, the rotation of blank lifting motor driven gear, the power producing passes on positive blank by tooth bar, drives positive blank and side blank to rise or declines.
Optionally, described dais development mechanism comprises dais the first motor, dais the first screw mandrel, dais the first feed screw nut, dais slide block, dais the second motor, dais the second screw mandrel, dais the second feed screw nut, dais push rod, described dais and dais push rod fix, under contraction state, described dais is inner at main body frame, after one key launches, dais the first motor drives dais the first screw mandrel to rotate, dais the first screw mandrel drives dais the first feed screw nut to do rectilinear motion, dais the first feed screw nut is connected with dais slide block, and then drive whole dais development mechanism to do rectilinear motion, dais the second motor drives dais the second screw mandrel to rotate, drive dais the second feed screw nut to do rectilinear motion, dais push rod is connected with dais the second feed screw nut, dais second feed screw nut's rectilinear motion is converted into rotatablely moving of dais by dais push rod, makes dais arrive the position of appointment by automatic rotation.
Optionally, generating laser is also installed on described main body frame, the point that described generating laser irradiates is on the ground as the riding position of projecting apparatus billy gate.
Optionally, described projecting apparatus billy gate comprises self-locking universal wheel, low bottom-disc, scissors prong like, top bottom-disc, little hand-operated wheel, dolly screw rod, dolly polished rod, dolly slide block, angular adjustment support bar, projecting apparatus placement platform, little bearing, large hand-operated wheel; Self-locking universal wheel under low bottom-disc makes described projecting apparatus billy gate stop at ground, scissors prong like is between top bottom-disc and low bottom-disc, large hand-operated wheel drives scissors prong like to regulate the vertical height of top bottom-disc, dolly screw rod and dolly polished rod are fixed on top bottom-disc, thereby rotating little hand-operated wheel drives dolly bolt rotary to drive dolly slide block to slide on dolly polished rod, drive thus little bearing that angular adjustment support bar is rotated and prop up projecting apparatus placement platform, regulate the angle of pitch of projecting apparatus placement platform.
Optionally, described projector module also comprises the door-plate spinning upside down.
Optionally, described side blank, main blank when not launching as the sidewall of Multimedia Mobile classroom main body frame.
Optionally, described Multimedia Mobile classroom main body frame has sidewall in two sides except side blank, main blank.
Compare with the common multimedia classroom furniture that prior art adopts, Multimedia Mobile of the present invention classroom is more flexible, can, being much not suitable for that multimedia local use is installed, comprise Seiko practice factory building, part exhibition room, laboratory etc., easy to use, placement takes up room little.
Accompanying drawing explanation
Fig. 1 is the structure chart in embodiment of the present invention Multimedia Mobile classroom;
Fig. 2 is the general assembly drawing in embodiment of the present invention Multimedia Mobile classroom;
Fig. 3 is the whiteboard module structure enlarged drawing in an embodiment of the present invention Multimedia Mobile classroom;
Fig. 4 is the blank elevating mechanism structure enlarged drawing in the another kind of embodiment Multimedia Mobile of the present invention classroom;
Fig. 5 is the dais development mechanism enlarged drawing in embodiment of the present invention Multimedia Mobile classroom;
Fig. 6 is the projecting apparatus billy gate enlarged drawing in embodiment of the present invention Multimedia Mobile classroom;
Fig. 7 is the electric control system structure chart in embodiment of the present invention Multimedia Mobile classroom.
The specific embodiment
Below in conjunction with accompanying drawing, by specific embodiment, technical scheme of the present invention is carried out to clear, complete description.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structure chart in embodiment of the present invention Multimedia Mobile classroom, comprises whiteboard module 10, dais module 20, projector module 30, electric control system 40.Fig. 2 is the general assembly drawing in embodiment of the present invention Multimedia Mobile classroom, comprising: main body frame 1, blank folding-unfolding mechanism 11, blank elevating mechanism 12, main blank 13, side blank 14, dais development mechanism 21, dais 22, door-plate 31, projecting apparatus 32, projecting apparatus billy gate 33.
Described whiteboard module 10 comprises blank folding-unfolding mechanism 11, blank elevating mechanism 12, side blank 13, main blank 14.When described side blank 13, main blank 14 do not launch as the sidewall of main body frame 1.Described blank elevating mechanism 12 can drive main blank 14 and side blank 13 to rise, and simultaneously described blank folding-unfolding mechanism 11 drives side blank 13 to launch, and described side blank 13, main blank 14 are launched as a large blank.Described dais module 20 comprises dais development mechanism 21 and dais 22, while not launching, dais 22 is positioned at described main body frame 1 inside, when carrying out educational activities, utilize described dais development mechanism 21 that dais 22 is deployed into main body frame 1 outside, described dais is used for placing teaching aid or computer.Described projector module 30 comprises door-plate 31, projecting apparatus 32, projecting apparatus billy gate 33.Described projecting apparatus billy gate 33 is placed on the bottom of main body frame 1, described door-plate 31 can spin upside down, when turning down the door-plate 31 of dais downside, the projecting apparatus billy gate 33 that is carrying projecting apparatus 32 utilizes the slope of door-plate 31 formation to be drawn out, projecting apparatus billy gate launches, and utilizes the projecting apparatus 32 of carrying that multimedia teaching material is projected on one of them blank.Described electric control system 40 comprises the blank motor 121 of taking down the exhibits, blank lifting motor 124, dais the first motor 211, dais the second motor 215, logic controller 41, impact switch 42, remote controller 43, utilize remote controller 43 to send control signal to logic controller 41, logic controller 41 is controlled respectively the blank motor 121 of taking down the exhibits, blank lifting motor 124, dais the first motor 211, dais the second motor 215 carries out work, when impact switch 42 obtains blank folding-unfolding mechanism 11, blank elevating mechanism 12 and dais development mechanism 21 reach the limit of after the signal of position, utilize logic controller 41 that stop motion signal is sent to motor separately, stop launching or drawing in.
In the present embodiment, when in use, by the form of hand push, promote described main body frame 1, when arriving the position of appointment, the brake wheel under described main body frame is stopped tightly.By the power connection of equipment, after confirming that space is enough, open total power switch, a key of pressing on remote controller launches key, described blank elevating mechanism can drive side blank and main blank to rise, simultaneously described blank development mechanism drives side blank to launch, and when side blank and main blank rise to extreme position, described dais development mechanism and dais can Automatic-expandings.After Automatic-expanding finishes, can select the door-plate of turning down dais downside that the projecting apparatus billy gate that is carrying projecting apparatus is pulled out.Open projecting apparatus, by projecting apparatus billy gate, adjust angle and the height of projecting apparatus, until project to applicable position, finally just can attend class normally.
Described whiteboard module comprises blank folding-unfolding mechanism 11, blank elevating mechanism 12, side blank 13, main blank 14.Please refer to Fig. 3, is the structure enlarged drawing of the whiteboard module of the embodiment of the present invention.Described blank folding-unfolding mechanism comprises blank take down the exhibits motor 111, blank the first screw mandrel 112, blank the first feed screw nut 113, blank the first guide rail 114, blank the first slide block 115 and blank first connecting rod 116.The blank motor 111 of taking down the exhibits is fixed on main body frame 1, described blank is taken down the exhibits after motor 111 runnings, blank the first screw mandrel 112 rotations that drive is attached thereto, blank the first feed screw nut 113 is travelled forward, blank the first feed screw nut 113 drives blank the first slide block 115 to do rectilinear motion along blank the first guide rail, blank the first slide block 115 connects blank first connecting rod 116 one end by bearing, blank first connecting rod 116 other ends are connected with side blank 13, thereby promote side blank 13, launch, until blank the first slide block 115 moves to extreme position.It is contrary that contraction situation is launched situation therewith.
Described blank elevating mechanism 12 comprises blank lifting motor 121, blank the second screw mandrel 122, silk blank the second stem nut 123, described blank lifting motor 121 is fixed on positive blank 14 backs, after running, drive blank the second screw mandrel 122 rotations, blank the second feed screw nut 123 maintain static, the power producing passes to blank lifting motor 121 places by blank the second screw mandrel 122, drives positive blank 14 and side blank 13 to rising, until extreme position.The decline situation situation that rises is therewith contrary.In this embodiment, screw rod transmission controlling organization position accurately, can realize self-locking to a certain extent, and stability is higher, and driving force is large.
Because blank will meet expansion, two motion requirements of lifting simultaneously, so the position that blank first connecting rod 116 is connected with side blank 13 can not be stiff end, but one can be done the free-moving free end of straight line on above-below direction.
In other embodiments, please refer to Fig. 4, is the structure enlarged drawing of the blank elevating mechanism of another embodiment of the present invention.Described blank elevating mechanism comprises blank lifting motor 124, gear 125, tooth bar 126.Described blank lifting motor 124 is fixed on main body frame 1, described gear 125 and tooth bar 126 phase interlocks, after running, 124 driven gear 125 rotations of blank lifting motor, described tooth bar 126 is fixed on positive blank 14, the power producing passes on positive blank 14 by tooth bar 126, drives positive blank 14 and side blank 13 to rise, until extreme position.The decline situation situation that rises is therewith contrary.Fairly simple in this example structure, be easy to assembling, transmission efficiency is higher.
Described dais module comprises dais development mechanism 21 and dais 22.Please refer to Fig. 5, is the dais development mechanism enlarged drawing of the embodiment of the present invention.
Described dais development mechanism comprises dais the first motor 211, dais the first screw mandrel 212, dais the first feed screw nut 213, dais slide block 214, dais the second motor 215, dais the second screw mandrel 216, dais the second feed screw nut's structure (not shown) and dais push rod 217.22Yu dais, described dais push rod 217 fixes under contraction state, described dais 22 is in main body frame 1 inside, after one key launches, dais the first motor 211 drives dais the first screw mandrel 212 to rotate, dais the first screw mandrel 212 drives dais the first feed screw nut 213 to do rectilinear motion, dais the first feed screw nut 213 be connected with dais slide block 214, and then drive whole dais development mechanism to do rectilinear motion, and stretch out as drawer automatic steady at dais 22.Then dais the second motor 215 drives dais the second screw mandrel 216 to rotate, drive dais the second feed screw nut to do rectilinear motion, dais push rod 217 is connected with dais the second feed screw nut, dais second feed screw nut's rectilinear motion is converted into rotatablely moving of dais 22 by dais push rod 217, make dais arrive the position of appointment by automatic rotation, teacher may stand in after dais, gives lessons before blank, and the size at dais is large enough to hold notebook and mouse or other teaching aids.
Described projector module comprises door-plate 31, projecting apparatus 32, projecting apparatus billy gate 33.Please refer to Fig. 6, is the projecting apparatus billy gate enlarged drawing of embodiment of the present invention mobile multimedia.Described projecting apparatus billy gate 33 comprises self-locking universal wheel 331, low bottom-disc 332, scissors prong like 333, top bottom-disc 334, little hand-operated wheel 335, dolly screw rod 336, dolly polished rod 337, dolly slide block 338, angular adjustment support bar 339, projecting apparatus placement platform 3310, dolly bearing 3311, large hand-operated wheel 3312.Self-locking universal wheel 331 under low bottom-disc 332 can make this projecting apparatus billy gate 33 stop at ground, scissors prong like 333 is between top bottom-disc 332 and low bottom-disc 334, large hand-operated wheel 335 drives scissors prong like 333 can regulate the vertical height of top bottom-disc 332, dolly screw rod 336 and dolly polished rod 337 are fixed on top bottom-disc 334, thereby rotating little hand-operated wheel 335 drives dolly screw rod 336 to rotate 338 slips on dolly polished rod 337 of drive dolly slide block, drive thus dolly bearing 3311 that angular adjustment support bar 339 is rotated and prop up projecting apparatus placement platform 3310, thereby play, regulate projecting apparatus placement platform, regulate projecting apparatus to place the object of the angle of pitch.
In other embodiments, described little hand-operated wheel, large hand-operated wheel also can utilize two motors to replace, and utilize the expansion of described two motors and corresponding touching switch controlling projection instrument billy gate.
Described projecting apparatus 32 is placed on projecting apparatus billy gate 33, and while not using, projecting apparatus billy gate, in contraction state, is positioned over main body frame 1 bottom position.In the time of need to using, open door-plate 31, utilize the door-plate 31 spinning upside down to form a slope, thereby can easily projecting apparatus billy gate be pulled out to main body frame 1 bottom position.
In the present embodiment, when do not work in Multimedia Mobile classroom, the door-plate 31 of described main body frame 1 bottom position is as one of them side shield of main body frame 1 bottom position, side blank 13, main blank 14, as two other side shield of main body frame 1 bottom position, avoid projecting apparatus 32, projecting apparatus billy gate 33 in moving process, to skid off main body frame 1.
In other embodiments; described Multimedia Mobile classroom main body frame also has sidewall in two sides except side blank, main blank; while making Multimedia Mobile classroom not launch to use, utilize described two sidewalls, side blank and main blank protection main body frame internal structure.
In the present embodiment, on described main body frame 1, generating laser is also installed, described generating laser andlogic control device 41 is connected, when pressing the laser positioning key of remote controller, logic controller 41 is controlled generating laser Emission Lasers, at blank front projection laser positioning point, projecting apparatus billy gate is moved to the assigned address of laser positioning point, finally can relatively easily projected image be projected on blank exactly.
Described electric control system comprises the blank motor 121 of taking down the exhibits, blank lifting motor 124, dais the first motor 211, dais the second motor 215, logic controller 41, impact switch 42, remote controller 43.Please refer to Fig. 7, is the electric control system structure chart of embodiment of the present invention mobile multimedia.Described logic controller 41 and the blank motor 121 of taking down the exhibits, blank lifting motor 124, dais the first motor 211, dais the second motor 215, impact switch 42 is connected, and remote controller 43 operation signal are to logic controller 41.
Described impact switch 42 is positioned at the extreme position of the screw mandrel of Electric Machine Control, when impact switch is touched, arrive, show that corresponding slide block has slided into the extreme position of screw mandrel, blank launches completely or draws in, dais is launched completely or is drawn in, and described impact switch sends to logic controller 41 by detection signal, utilizes logic controller 41 that stop motion signal is sent to motor separately, motor quits work, and blank, dais stop launching or drawing in.
In other embodiments, the electric control system in described Multimedia Mobile classroom also can not have impact switch, and described motor is servomotor, controls the rotation time of servomotor by logic controller 41, thereby controls the motion at blank, dais.
In the present embodiment, described logic controller 41 comprises the first single-chip microcomputer 411 and second singlechip 412, and the model of described the first single-chip microcomputer 411 and second singlechip 412 is all single-chip microcomputer STC89C52.Because the IO delivery outlet of described single-chip microcomputer only has 32, therefore need two single-chip microcomputers to control, a single-chip microcomputer is for display module and laser controlling, and another single-chip microcomputer is for the input to the control of motor, detection module input and operation information.
The first single-chip microcomputer 411 receives the detection signal of impact switch 42, controls the normal operation of four motors.Second singlechip 412 is used for judgement and the operational mode of display device, the corresponding control signal of while Output of laser transmitter.Machine operation has various modes: 1, the automatically normal expansion pattern of machine; 2, the automatically normal withdrawal pattern of machine; When 3, machine is out of order, the debugging mode of machine, can control respectively rotating and stop 4 motors.In the present embodiment, described blank, dais are successively launched or are drawn in, and when the position of motor movement to appointment, corresponding impact switch is closed, and the detection signal of switch closure is admitted to logic controller, closes and works as front motor, then controls the action of other motors.
In other embodiments, described blank, dais also can be launched simultaneously or draw in.
In the present embodiment, carry out signal mutual between described remote controller 43 and the first single-chip microcomputer 411, second singlechip 412 by wireless transport module, described wireless transport module is infrared transmission module or Bluetooth transmission module etc.
In the present embodiment, described Multimedia Mobile classroom also comprises Circuit display module, and Circuit display module is 1604 LCDs.The operational mode of display device and the motor code name need to debug in when debugging time.
In other embodiments, when projecting apparatus billy gate utilizes two motors to launch and the angle of pitch of projecting apparatus placement platform, described projecting apparatus billy gate has the 3rd single-chip microcomputer, and described the 3rd single-chip microcomputer obtains control signal from remote controller, and launches projecting apparatus billy gate.Two motors of described projecting apparatus billy gate can be also servomotor.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can utilize method and the technology contents of above-mentioned announcement to make possible change and modification to technical solution of the present invention; therefore; every content that does not depart from technical solution of the present invention; any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all belong to the protection domain of technical solution of the present invention.
Claims (10)
1. a Multimedia Mobile classroom, is characterized in that, comprising: main body frame, whiteboard module, dais module, projector module, electric control system; Described whiteboard module is fixed on main body frame, comprises blank folding-unfolding mechanism, blank elevating mechanism, side blank, main blank, and described blank elevating mechanism drives main blank and side blank to rise, and simultaneously described blank folding-unfolding mechanism drives side blank to launch; Described dais module is fixed on main body frame, comprises dais development mechanism, dais, utilizes dais development mechanism dais is launched and draw in; Described projector module comprises projecting apparatus, projecting apparatus billy gate, and described projector module is placed on main body frame inside, utilizes the projecting apparatus being placed on projecting apparatus billy gate on blank, to carry out projection; Described electric control system is connected with whiteboard module, dais module, utilizes described electric control system to carry out electric control to whiteboard module, dais module.
2. Multimedia Mobile according to claim 1 classroom, it is characterized in that, described blank folding-unfolding mechanism comprises the blank motor of taking down the exhibits, blank the first screw mandrel, blank the first feed screw nut, blank the first guide rail, blank the first slide block and blank first connecting rod, the blank motor of taking down the exhibits is fixed on main body frame, described blank is taken down the exhibits after motor rotation, blank the first screw mandrel rotation that drive is attached thereto, blank the first feed screw nut is travelled forward, blank the first feed screw nut drives blank the first slide block to do rectilinear motion along blank the first guide rail, blank the first slide block connects blank first connecting rod one end by bearing, the blank first connecting rod other end is connected with side blank, thereby promoting side blank launches, until blank the first slide block movement is to extreme position.
3. Multimedia Mobile according to claim 1 classroom, it is characterized in that, described blank elevating mechanism comprises blank lifting motor, blank the second screw mandrel, blank the second feed screw nut, described blank lifting motor is fixed on blank back, after running, drive blank the second screw mandrel rotation, blank the second feed screw nut maintain static, the power producing passes to blank lifting motor place by blank the second screw mandrel, drives positive blank and side blank to rise or declines.
4. Multimedia Mobile according to claim 1 classroom, it is characterized in that, described blank elevating mechanism comprises blank lifting motor, gear, tooth bar, described blank lifting motor is fixed on main body frame, and described tooth bar is fixed on positive blank, the interlock of described wheel and rack phase, after running, the rotation of blank lifting motor driven gear, the power of generation passes on positive blank by tooth bar, drives positive blank and side blank to rise or declines.
5. Multimedia Mobile according to claim 1 classroom, it is characterized in that, described dais development mechanism comprises dais the first motor, dais the first screw mandrel, dais the first feed screw nut, dais slide block, dais the second motor, dais the second screw mandrel, dais the second feed screw nut, dais push rod, described dais and dais push rod fix, under contraction state, described dais is inner at main body frame, after one key launches, dais the first motor drives dais the first screw mandrel to rotate, dais the first screw mandrel drives dais the first feed screw nut to do rectilinear motion, dais the first feed screw nut is connected with dais slide block, and then drive whole dais development mechanism to do rectilinear motion, dais the second motor drives dais the second screw mandrel to rotate, drive dais the second feed screw nut to do rectilinear motion, dais push rod is connected with dais the second feed screw nut, dais second feed screw nut's rectilinear motion is converted into rotatablely moving of dais by dais push rod, makes dais arrive the position of appointment by automatic rotation.
6. Multimedia Mobile according to claim 1 classroom, is characterized in that, generating laser is also installed on described main body frame, and the point that described generating laser irradiates is on the ground as the riding position of projecting apparatus billy gate.
7. Multimedia Mobile according to claim 1 classroom, it is characterized in that, described projecting apparatus billy gate comprises self-locking universal wheel, low bottom-disc, scissors prong like, top bottom-disc, little hand-operated wheel, dolly screw rod, dolly polished rod, dolly slide block, angular adjustment support bar, projecting apparatus placement platform, little bearing, large hand-operated wheel; Self-locking universal wheel under low bottom-disc makes described projecting apparatus billy gate stop at ground, scissors prong like is between top bottom-disc and low bottom-disc, large hand-operated wheel drives scissors prong like to regulate the vertical height of top bottom-disc, dolly screw rod and dolly polished rod are fixed on top bottom-disc, thereby rotating little hand-operated wheel drives dolly bolt rotary to drive dolly slide block to slide on dolly polished rod, drive thus little bearing that angular adjustment support bar is rotated and prop up projecting apparatus placement platform, regulate the angle of pitch of projecting apparatus placement platform.
8. Multimedia Mobile according to claim 1 classroom, is characterized in that, described projector module also comprises the door-plate spinning upside down.
9. Multimedia Mobile according to claim 1 classroom, is characterized in that, described side blank, main blank when not launching as the sidewall of Multimedia Mobile classroom main body frame.
10. Multimedia Mobile according to claim 9 classroom, is characterized in that, described Multimedia Mobile classroom main body frame has sidewall in two sides except side blank, main blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410301976.2A CN104095400B (en) | 2014-06-27 | Multimedia mobile classroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410301976.2A CN104095400B (en) | 2014-06-27 | Multimedia mobile classroom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104095400A true CN104095400A (en) | 2014-10-15 |
| CN104095400B CN104095400B (en) | 2016-11-30 |
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| CN106963122A (en) * | 2017-04-28 | 2017-07-21 | 长乐圆明工业设计有限公司 | A kind of full-automatic tea table |
| CN109431078A (en) * | 2018-12-21 | 2019-03-08 | 大竹县高穴镇中心小学 | A kind of multi-media platform |
| CN112258909A (en) * | 2020-10-26 | 2021-01-22 | 宁波阶梯教育科技有限公司 | Teaching content display method and intelligent platform |
| CN112666816A (en) * | 2019-10-16 | 2021-04-16 | 同方威视技术股份有限公司 | Movable holographic projection device and method |
| CN114431607A (en) * | 2022-01-25 | 2022-05-06 | 王兴秀 | Teaching platform with hidden projector |
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