CN206819565U - A kind of multimedia teaching apparatus used of imparting knowledge to students - Google Patents
A kind of multimedia teaching apparatus used of imparting knowledge to students Download PDFInfo
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- CN206819565U CN206819565U CN201720350608.6U CN201720350608U CN206819565U CN 206819565 U CN206819565 U CN 206819565U CN 201720350608 U CN201720350608 U CN 201720350608U CN 206819565 U CN206819565 U CN 206819565U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 241001633942 Dais Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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Abstract
The utility model discloses a kind of multimedia teaching apparatus imparted knowledge to students and used, including the R-T unit for the hand held control device of user and pluggable USB interface of computer, the control device includes housing and the wireless charging receiving unit being arranged on housing, stroboscopic laser guide unit, wireless data transmission unit；The R-T unit includes wireless charging transmitter unit, wireless data receiving unit, USB module；The utility model integrates wireless charging device, laser guidance device, PPT control device of wireless, and user is handy, reduces unnecessary trouble.
Description
Technical field
The utility model belongs to teaching aid technical field, specially a kind of multimedia teaching apparatus used of imparting knowledge to students.
Background technology
Developing rapidly and popularizing with computer technology, multimedia teaching progressively instead of conventional conventional teaching
Pattern, multimedia teaching have become a kind of trend of modern education.Currently, each universities and colleges, middle and primary schools all construct more matchmakers
Body tutoring system.Use traditional teacher's pointer to be guided due to being inconvenient in multimedia teaching, just invented and referred to using laser
The laser pen drawn, it is to continue bright red spot that existing laser pen, which is presented on screen, is not easy to cause attention of student, guide effect compared with
Difference, easily produce fatigue.In order that tutor activity's scope is not limited by PPT page turnings, existing laser pen adds PPT and shakes control
Page-turning function, but circuit is complicated, and cost is higher.Other existing laser pen built-in power be usually from disposable dry cell or
Rechargeable rechargeable battery, because laser pen power consumption is very fast, it is necessary to which often replacing battery or charging, brings to user
Many troubles, particularly electricity is exhausted in use, and very big inconvenience is brought to user, is influenceed classroom instruction and is normally entered
OK.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of multimedia teaching apparatus imparted knowledge to students and used.
Technical scheme is used by the utility model：A kind of multimedia teaching apparatus used of imparting knowledge to students, including for using
The R-T unit of the hand held control device of person and pluggable USB interface of computer, it is characterized in that：
The control device includes housing and the wireless charging receiving unit being arranged on housing, stroboscopic laser guide list
Member, wireless data transmission unit；
The housing is bar-shaped, PPT upturning keys, PPT downturning keys, laser switch is provided with hull outside face, in housing
Top is provided with generating laser；
The wireless charging receiving unit includes receiving coil, rectification circuit, charging circuit, rechargeable battery, voltage detecting
Circuit, the receiving coil, rectification circuit, charging circuit, rechargeable battery, voltage detecting circuit are sequentially connected, the reception line
Enclose for receiving the electromagnetic wave sent from transmitting coil, then charged by rectification circuit, charging circuit to rechargeable battery,
Rechargeable battery guides unit, the power supply of wireless data transmission unit to stroboscopic laser, and voltage detecting circuit is used for detecting rechargeable battery
Voltage；
The stroboscopic laser guides unit to include generating laser, impulse generator, FET, laser switch, charging
The drain electrode of the negative input end and FET of GND and impulse generator is respectively connected with, rechargeable battery positive pole and laser switch
One end be connected, the other end of laser switch and the positive pole of the positive input terminal of impulse generator and generating laser are respectively connected with,
The output end of impulse generator is connected with the grid of FET, and the source electrode of FET is connected with the negative pole of generating laser；
The wireless data transmission unit includes coding chip, the coding pin of ASK wireless transmission chips, wherein coding chip
Connect PPT upturning keys and PPT downturning keys；
The R-T unit includes wireless charging transmitter unit, wireless data receiving unit, USB module；The wireless charging
Electric transmitter unit includes oscillating circuit, amplifying circuit, transmitting coil, and the oscillating circuit, amplifying circuit, transmitting coil connect successively
Connect, oscillating circuit is connected with USB module；The wireless data receiving unit receives the instruction of wireless data transmission unit transmitting,
The wireless data receiving unit is wireless data reception chip, and wireless data reception chip is connected with USB module；USB module
It is connected with USB interface of computer.
Further, the rechargeable battery is lithium battery.
Further, the coding chip is coding chip TDH2240, and the ASK wireless transmissions chip is ASK wireless transmissions
Chip MICRF113.
Further, the wireless data receiving unit is wireless data reception chip RF83B.
The utility model beneficial effect is：1. the utility model collection wireless charging device, laser guidance device, PPT is wireless
Control device is integrated, and user is handy, avoid attend to one thing and lose sight of another, forgetful phenomenon occur.2. wireless charging device
It can be charged in use to rechargeable battery, without specially charging, reduce unnecessary trouble, it is dirty to reduce environment
Dye.3. what stroboscopic laser guide unit was sent is stroboscopic laser, strengthens guide effect, attention of student can be attracted.4. PPT without
Thread control device solves the constraint that user can not leave dais, the interaction with student is no longer influenced by limitation, and structure letter
Single low cost, easily promote.5. wireless charging transmitter unit, wireless data receiving unit are integrated into R-T unit, not only save
About limited USB interface resource, also makes operation become simple and efficient.
Brief description of the drawings
If Fig. 1 is the utility model structure diagram.
If Fig. 2 is the block diagram of the utility model.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
A kind of multimedia teaching apparatus used of imparting knowledge to students, including for the hand held control device 1 of user and can be inserted into
The R-T unit 7 of USB interface of computer, it is characterized in that：
The control device 1 includes housing 2 and the wireless charging receiving unit being arranged on housing 2, stroboscopic laser guide
Unit, wireless data transmission unit；
The housing 2 is bar-shaped, and PPT upturning keys 4, PPT downturning keys 3, laser switch 5 are provided with the lateral surface of housing 2,
The top of housing 2 is provided with generating laser 6；
The wireless charging receiving unit includes receiving coil, rectification circuit, charging circuit, rechargeable battery, voltage detecting
Circuit, the receiving coil, rectification circuit, charging circuit, rechargeable battery, voltage detecting circuit are sequentially connected, the reception line
Enclose for receiving the electromagnetic wave sent from transmitting coil, then charged by rectification circuit, charging circuit to rechargeable battery,
Rechargeable battery guides unit, the power supply of wireless data transmission unit to stroboscopic laser, and voltage detecting circuit is used for detecting rechargeable battery
Voltage；
The stroboscopic laser guides unit to include generating laser 6, impulse generator, FET, laser switch 5, fills
The drain electrode of the negative input end and FET of electric GND and impulse generator is respectively connected with, and rechargeable battery positive pole is opened with laser
One end of pass 5 is connected, and the other end of laser switch 5 and the positive pole of the positive input terminal of impulse generator and generating laser 6 are distinguished
It is connected, the output end of impulse generator is connected with the grid of FET, the source electrode of FET and the negative pole of generating laser 6
It is connected；
The wireless data transmission unit includes coding chip, the coding pin of ASK wireless transmission chips, wherein coding chip
Connect PPT upturning keys 4 and PPT downturning keys 3；
The R-T unit includes wireless charging transmitter unit, wireless data receiving unit, USB module；The wireless charging
Electric transmitter unit includes oscillating circuit, amplifying circuit, transmitting coil, and the oscillating circuit, amplifying circuit, transmitting coil connect successively
Connect, oscillating circuit is connected with USB module；The wireless data receiving unit receives the instruction of wireless data transmission unit transmitting,
The wireless data receiving unit is wireless data reception chip, and wireless data reception chip is connected with USB module；USB module
It is connected with USB interface of computer.
Further, the rechargeable battery is lithium battery.
Further, the coding chip is coding chip TDH2240, and the ASK wireless transmissions chip is ASK wireless transmissions
Chip MICRF113.
Further, the wireless data receiving unit is wireless data reception chip RF83B.
Claims (4)
1. a kind of multimedia teaching apparatus used of imparting knowledge to students, including for the hand held control device of user and can be inserted into calculating
The R-T unit of machine USB interface, it is characterized in that：
The control device includes housing and the wireless charging receiving unit being arranged on housing, stroboscopic laser guide unit, nothing
Line number is according to transmitter unit；
The housing is bar-shaped, PPT upturning keys, PPT downturning keys, laser switch is provided with hull outside face, in housing tip
Provided with generating laser；
The wireless charging receiving unit includes receiving coil, rectification circuit, charging circuit, rechargeable battery, voltage detecting circuit,
The receiving coil, rectification circuit, charging circuit, rechargeable battery, voltage detecting circuit are sequentially connected, and the receiving coil is used for
The electromagnetic wave sent from transmitting coil is received, is then charged by rectification circuit, charging circuit to rechargeable battery, charging electricity
Unit, the power supply of wireless data transmission unit are guided in pond to stroboscopic laser, and voltage detecting circuit is used for detecting charged battery voltage；
The stroboscopic laser guides unit to include generating laser, impulse generator, FET, laser switch, rechargeable battery
The drain electrode of the negative input end and FET of negative pole and impulse generator is respectively connected with, and the one of rechargeable battery positive pole and laser switch
End is connected, and the other end of laser switch and the positive pole of the positive input terminal of impulse generator and generating laser are respectively connected with, pulse
The output end of generator is connected with the grid of FET, and the source electrode of FET is connected with the negative pole of generating laser；
The wireless data transmission unit includes the coding pin connection of coding chip, ASK wireless transmission chips, wherein coding chip
PPT upturning keys and PPT downturning keys；
The R-T unit includes wireless charging transmitter unit, wireless data receiving unit, USB module；The wireless charging hair
Penetrating unit includes oscillating circuit, amplifying circuit, transmitting coil, and the oscillating circuit, amplifying circuit, transmitting coil are sequentially connected,
Oscillating circuit is connected with USB module；The wireless data receiving unit receives the instruction of wireless data transmission unit transmitting, described
Wireless data receiving unit is wireless data reception chip, and wireless data reception chip is connected with USB module；USB module and meter
Calculation machine USB interface connects.
2. a kind of multimedia teaching apparatus used of imparting knowledge to students according to claim 1, it is characterized in that：The rechargeable battery is lithium
Battery.
3. a kind of multimedia teaching apparatus used of imparting knowledge to students according to claim 1, it is characterized in that：The coding chip is volume
Code chip TDH2240, the ASK wireless transmissions chip is ASK wireless transmission chips MICRF113.
4. a kind of multimedia teaching apparatus used of imparting knowledge to students according to claim 1, it is characterized in that：The wireless data receives
Unit is wireless data reception chip RF83B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720350608.6U CN206819565U (en) | 2017-04-06 | 2017-04-06 | A kind of multimedia teaching apparatus used of imparting knowledge to students |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720350608.6U CN206819565U (en) | 2017-04-06 | 2017-04-06 | A kind of multimedia teaching apparatus used of imparting knowledge to students |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206819565U true CN206819565U (en) | 2017-12-29 |
Family
ID=60751832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720350608.6U Expired - Fee Related CN206819565U (en) | 2017-04-06 | 2017-04-06 | A kind of multimedia teaching apparatus used of imparting knowledge to students |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206819565U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109272812A (en) * | 2018-10-29 | 2019-01-25 | 商丘师范学院 | A laser pointer based on multimedia teaching |
| CN109887388A (en) * | 2018-12-06 | 2019-06-14 | 广州先觉电子科技有限公司 | Wireless charging real teaching plate |
| CN110570723A (en) * | 2019-09-10 | 2019-12-13 | 杭州昕华信息科技有限公司 | Campus teaching is with memory formula laser teacher's pointer based on cloud ware |
-
2017
- 2017-04-06 CN CN201720350608.6U patent/CN206819565U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109272812A (en) * | 2018-10-29 | 2019-01-25 | 商丘师范学院 | A laser pointer based on multimedia teaching |
| CN109887388A (en) * | 2018-12-06 | 2019-06-14 | 广州先觉电子科技有限公司 | Wireless charging real teaching plate |
| CN110570723A (en) * | 2019-09-10 | 2019-12-13 | 杭州昕华信息科技有限公司 | Campus teaching is with memory formula laser teacher's pointer based on cloud ware |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20190406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |