CN204009418U - The electric control system in Multimedia Mobile classroom - Google Patents
The electric control system in Multimedia Mobile classroom Download PDFInfo
- Publication number
- CN204009418U CN204009418U CN201420350480.XU CN201420350480U CN204009418U CN 204009418 U CN204009418 U CN 204009418U CN 201420350480 U CN201420350480 U CN 201420350480U CN 204009418 U CN204009418 U CN 204009418U
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- motor
- blank
- dais
- logic controller
- classroom
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Abstract
The electric control system in a kind of Multimedia Mobile classroom, comprise the blank motor of taking down the exhibits, blank lifting motor, dais the first motor, dais the second motor, logic controller, telepilot, described logic controller respectively with the blank motor of taking down the exhibits, blank lifting motor, dais the first motor, dais the second motor is connected, control signal is sent to logic controller by described telepilot, the logic controller control blank motor of taking down the exhibits, blank lifting motor is taken down the exhibits and lifting to blank, logic controller control dais the first motor, dais the second motor is taken down the exhibits and lifting to dais.Can be easy to Multimedia Mobile classroom to control, be conducive to outdoor multimedia teaching.
Description
Technical field
The utility model relates to teaching aid field, particularly the electric control system in a kind of Multimedia Mobile classroom.
Background technology
Classroom all adopts multimedia form mostly now---and utilize the mode that projector combines with blackboard to impart knowledge to students, this form has not only facilitated teaching, and student is also easier to understand.But, in laboratory, the place such as open air or factory attached to a school, lack the teaching hardware such as multimedia, cause a lot of inconvenience to teacher's teaching, listening to the teacher of student.
Utility model content
The problem that the utility model solves is to provide the electric control system in a kind of Multimedia Mobile classroom, can be convenient to carry out outdoor multimedia teaching.
For addressing the above problem, the utility model embodiment provides the electric control system in a kind of Multimedia Mobile classroom, comprise the blank motor of taking down the exhibits, blank lifting motor, dais the first motor, dais the second motor, logic controller, telepilot, described logic controller respectively with the blank motor of taking down the exhibits, blank lifting motor, dais the first motor, dais the second motor is connected, control signal is sent to logic controller by described telepilot, the logic controller control blank motor of taking down the exhibits, blank lifting motor is taken down the exhibits and lifting to blank, logic controller control dais the first motor, dais the second motor is taken down the exhibits and lifting to dais.
Optionally, between described telepilot andlogic control device, carry out signal by Wireless transmitting structure mutual.
Optionally, also comprise display structure, the operational mode of display device and the motor code name need to debug in when debugging time.
Optionally, described logic controller comprises the first single-chip microcomputer and second singlechip, and the first single-chip microcomputer is used for controlling display structure, and second singlechip is used for controlling motor.
Optionally, on the main body frame of Multimedia Mobile classroom, generating laser is also installed, described generating laser is connected with the first single-chip microcomputer, utilizes opening or closing of the first Single-chip Controlling generating laser.
Optionally, also comprise impact switch, described impact switch is positioned at the extreme position of the screw mandrel that motor is corresponding, arrive when impact switch is touched, show that corresponding feed screw nut has moved to the extreme position of screw mandrel, blank, dais are launched completely or are drawn in, detection signal is sent to logic controller by described impact switch, utilize logic controller that stop motion signal is sent to motor separately, motor quits work, and blank, dais stop launching or drawing in.
Optionally, when utilizing two motors, the projector billy gate in Multimedia Mobile classroom launches and adjusts the angle of pitch of projector placement platform, described projector billy gate has the 3rd single-chip microcomputer, it is mutual that described the 3rd single-chip microcomputer and telepilot carry out signal by Wireless transmitting structure, and launching projector billy gate, described the 3rd single-chip microcomputer is identical with the structure of the first single-chip microcomputer, second singlechip.
Compared with prior art, the technical program has the following advantages:
The electric control system in Multimedia Mobile of the present utility model classroom, can be easy to Multimedia Mobile classroom to control, and is conducive to outdoor multimedia teaching.
Brief description of the drawings
Fig. 1 is the structural drawing in the utility model embodiment Multimedia Mobile classroom;
Fig. 2 is the general assembly drawing in the utility model embodiment Multimedia Mobile classroom;
Fig. 3 is the structure enlarged drawing of the whiteboard structure in a kind of embodiment Multimedia Mobile of the utility model classroom;
Fig. 4 is the blank elevating mechanism structure enlarged drawing in the another kind of embodiment Multimedia Mobile of the utility model classroom;
Fig. 5 is the dais development mechanism enlarged drawing in the utility model embodiment Multimedia Mobile classroom;
Fig. 6 is the projector billy gate enlarged drawing in the utility model embodiment Multimedia Mobile classroom;
Fig. 7 is the electric control system structural drawing in the utility model embodiment Multimedia Mobile classroom.
Embodiment
Below in conjunction with accompanying drawing, by specific embodiment, the technical solution of the utility model is carried out to clear, complete description.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural drawing in the utility model embodiment Multimedia Mobile classroom, comprises whiteboard structure 10, dais structure 20, projector architecture 30, electric control system 40.Fig. 2 is the general assembly drawing in the utility model embodiment 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, projector 32, projector billy gate 33.
Described whiteboard structure 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 to rise with side blank 13, and described blank folding-unfolding mechanism 11 drives side blank 13 to launch simultaneously, and described side blank 13, main blank 14 are launched as a large blank.Described dais structure 20 comprises dais development mechanism 21 and dais 22, while expansion, dais 22 is positioned at described main body frame 1 inside, in the time 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 architecture 30 comprises door-plate 31, projector 32, projector billy gate 33.Described projector 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, carrying the slope that the projector billy gate 33 of projector 32 utilizes door-plate 31 to form is drawn out, projector billy gate launches, and utilizes the projector 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, telepilot 43, utilize telepilot 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, promote described main body frame 1 by the form of hand push, in the time arriving the position of specifying, 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 telepilot 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 projector billy gate that is carrying projector is pulled out.Open projector, adjust angle and the height of projector by projector billy gate, until project to applicable position, finally just can attend class normally.
Described whiteboard structure 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 structure of the utility model embodiment.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 that drive is attached thereto rotates, 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, launch thereby promote side blank 13, 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 to rotate, 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, accurately control gear position of screw rod transmission, 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, the position that therefore 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 utility model.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, blank lifting motor 124 driven gears 125 rotate, 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 structure comprises dais development mechanism 21 and dais 22.Please refer to Fig. 5, is the dais development mechanism enlarged drawing of the utility model embodiment.Described dais development mechanism comprises dais the first motor 211, dais the first screw mandrel 212, dais feed screw nut 213, dais slide block 214, dais the second motor 215, dais the second screw mandrel 216, dais push rod 217.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 feed screw nut 213 to do rectilinear motion, dais feed screw nut 213 is connected with dais slide block 214, and then drives 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, thereby dais the second screw mandrel 216 promotes dais push rod 217 and is converted into rotatablely moving of dais, make dais arrive the position of specifying by automatic rotation, teacher may stand in after dais, before blank, give lessons, the size at dais is large enough to hold notebook and mouse or other teaching aids.
Described projector architecture comprises door-plate 31, projector 32, projector billy gate 33.Please refer to Fig. 6, is the projector billy gate enlarged drawing of the utility model embodiment mobile multimedia.Described projector 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, projector placement platform 3310, dolly bearing 3311, large hand-operated wheel 3312.Self-locking universal wheel 331 under low bottom-disc 332 can make this projector 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 projector placement platform 3310, regulate projector placement platform thereby play, regulate projector 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 projector 32 is placed on projector billy gate 33, and while use, projector billy gate, in contraction state, is positioned over main body frame 1 bottom position.Need to use time, open door-plate 31, utilize the door-plate 31 spinning upside down to form a slope, thus can be easily by projector billy gate pull-out main body frame 1 bottom position.
In the present embodiment, the width of described side blank 13, main blank 14 equals the width of Multimedia Mobile classroom main body frame, and the height of described side blank 13, main blank 14 is less than or equal to the height of Multimedia Mobile classroom main body frame.In the time not working 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 projector 32, projector 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 inner 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 telepilot, logic controller 41 is controlled generating laser Emission Lasers, at blank front projection laser positioning spot, projector billy gate is moved to the assigned address of laser positioning spot, 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, telepilot 43.Please refer to Fig. 7, is the electric control system structural drawing of the utility model embodiment 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 telepilot 43 operation signal are to logic controller 41.
In the present embodiment, described impact switch 42 is positioned at the extreme position of the screw mandrel of each Electric Machine Control, arrive when impact switch is touched, show that corresponding feed screw nut has moved to the extreme position of screw mandrel, blank launches completely or draws in, and dais is launched completely or drawn in, detection signal is sent to logic controller 41 by described impact switch, utilize 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, described impact switch is positioned at the extreme position of the guide rail that motor is corresponding, arrives when impact switch is touched, shows that corresponding slide block has slided into the extreme position of guide rail, and blank, dais are launched completely or drawn 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 used for controlling display structure and laser controlling, and another single-chip microcomputer is for the input of the control to motor, detection architecture 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; 3,, when 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, when motor movement is to the position of specifying, and corresponding impact switch closure, 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 telepilot 43 and the first single-chip microcomputer 411, second singlechip 412 by Wireless transmitting structure, described Wireless transmitting structure is Infrared Transmission structure or Bluetooth transmission structure etc.
In the present embodiment, described Multimedia Mobile classroom also comprises display structure, and display structure is 1604 LCDs, the motor code name need to debug for the operational mode of display device and in the time debugging time.
In other embodiments, when projector billy gate utilizes two motors to launch and the angle of pitch of projector placement platform, described projector billy gate has the 3rd single-chip microcomputer, it is mutual that described the 3rd single-chip microcomputer and telepilot carry out signal by Wireless transmitting structure, and launch projector billy gate.Two motors of described projector billy gate can be also servomotor.
The structure of described the 3rd single-chip microcomputer and the first single-chip microcomputer, second singlechip is identical or different.
It should be noted that, above-mentioned each structure of the present utility model is physical components; Certainly, discrete structure function wherein can realize by software, but this does not belong to category of the present utility model, and its specific implementation is also irrelevant with the utility model.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; can utilize method and the technology contents of above-mentioned announcement to make possible variation and amendment to technical solutions of the utility model; therefore; every content that does not depart from technical solutions of the utility model; any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all belong to the protection domain of technical solutions of the utility model.
Claims (7)
1. the electric control system in a Multimedia Mobile classroom, it is characterized in that, comprise the blank motor of taking down the exhibits, blank lifting motor, dais the first motor, dais the second motor, logic controller, telepilot, described logic controller respectively with the blank motor of taking down the exhibits, blank lifting motor, dais the first motor, dais the second motor is connected, control signal is sent to logic controller by described telepilot, the logic controller control blank motor of taking down the exhibits, blank lifting motor is taken down the exhibits and lifting to blank, logic controller control dais the first motor, dais the second motor is taken down the exhibits and lifting to dais.
2. the electric control system in Multimedia Mobile according to claim 1 classroom, is characterized in that, carries out signal mutual between described telepilot andlogic control device by Wireless transmitting structure.
3. the electric control system in Multimedia Mobile according to claim 1 classroom, is characterized in that, also comprises display structure, the operational mode of display device and the motor code name need to debug in when debugging time.
4. the electric control system in Multimedia Mobile according to claim 3 classroom, is characterized in that, described logic controller comprises the first single-chip microcomputer and second singlechip, and the first single-chip microcomputer is used for controlling display structure, and second singlechip is used for controlling motor.
5. the electric control system in Multimedia Mobile according to claim 4 classroom, it is characterized in that, on the main body frame of Multimedia Mobile classroom, generating laser is also installed, described generating laser is connected with the first single-chip microcomputer, utilizes opening or closing of the first Single-chip Controlling generating laser.
6. the electric control system in Multimedia Mobile according to claim 1 classroom, it is characterized in that, also comprise impact switch, described impact switch is positioned at the extreme position of the screw mandrel that motor is corresponding, arrive when impact switch is touched, show that corresponding feed screw nut has moved to the extreme position of screw mandrel, blank, dais are launched completely or are drawn in, detection signal is sent to logic controller by described impact switch, utilize logic controller that stop motion signal is sent to motor separately, motor quits work, and blank, dais stop launching or drawing in.
7. the electric control system in Multimedia Mobile according to claim 1 classroom, it is characterized in that, when utilizing two motors, the projector billy gate in Multimedia Mobile classroom launches and adjusts the angle of pitch of projector placement platform, described projector billy gate has the 3rd single-chip microcomputer, it is mutual that described the 3rd single-chip microcomputer and telepilot carry out signal by Wireless transmitting structure, and launching projector billy gate, described the 3rd single-chip microcomputer is identical with the structure of the first single-chip microcomputer, second singlechip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420350480.XU CN204009418U (en) | 2014-06-27 | 2014-06-27 | The electric control system in Multimedia Mobile classroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420350480.XU CN204009418U (en) | 2014-06-27 | 2014-06-27 | The electric control system in Multimedia Mobile classroom |
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| Publication Number | Publication Date |
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| CN204009418U true CN204009418U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420350480.XU Expired - Fee Related CN204009418U (en) | 2014-06-27 | 2014-06-27 | The electric control system in Multimedia Mobile classroom |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652576A (en) * | 2016-03-09 | 2016-06-08 | 宁波萨瑞通讯有限公司 | Device and method for automatically adjusting projection position of projector |
| CN111078061A (en) * | 2019-12-04 | 2020-04-28 | 湖州佳格电子科技股份有限公司 | Infrared touch screen and control method and system thereof |
-
2014
- 2014-06-27 CN CN201420350480.XU patent/CN204009418U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652576A (en) * | 2016-03-09 | 2016-06-08 | 宁波萨瑞通讯有限公司 | Device and method for automatically adjusting projection position of projector |
| CN105652576B (en) * | 2016-03-09 | 2017-09-26 | 宁波萨瑞通讯有限公司 | The adjusting device and method of adjust automatically projector position |
| CN111078061A (en) * | 2019-12-04 | 2020-04-28 | 湖州佳格电子科技股份有限公司 | Infrared touch screen and control method and system thereof |
| CN111078061B (en) * | 2019-12-04 | 2023-08-22 | 佳格科技(浙江)股份有限公司 | Infrared touch screen, control method and system thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150627 |
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| EXPY | Termination of patent right or utility model |