CN205354406U - Multimedia teaching apparatus - Google Patents
Multimedia teaching apparatus Download PDFInfo
- Publication number
- CN205354406U CN205354406U CN201521114285.8U CN201521114285U CN205354406U CN 205354406 U CN205354406 U CN 205354406U CN 201521114285 U CN201521114285 U CN 201521114285U CN 205354406 U CN205354406 U CN 205354406U
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- China
- Prior art keywords
- laser
- multimedia teaching
- teaching apparatus
- key
- ppt
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Abstract
The utility model discloses a multimedia teaching apparatus, turn over a page unit, laser guide unit, electrical unit including casing, PPT, PPT page flip has solved the constraint that the user can not leave the podium, makes no longer to receive the restriction with student's interdynamic, laser guides the voice circuit in the unit can send the guide prompt tone, can strengthen and guide the effect, has alleviateed teacher's burden, arouses student's attention, laser guides the sharp spot size adjusting key in the unit to guide the effect according to guiding content size regulation spot size to come the reinforcing, and the light beam is directional clear and definite, gives prominence to the key points, the utility model discloses the simple structure cost is low, uses convenient operation.
Description
Technical field
This utility model belongs to teaching aid technical field, is specially a kind of multimedia teaching apparatus.
Background technology
Along with the development of computer technology and universal, it is widely applied to classroom teaching with computer technology for core multimedia.Multimedia has figure, literary composition, sound and luxuriant even has a such feature of movable video, can the emotion of multi-angle mobilizing students, attention and interest, help the exploration of training student, creative ability, the creative thinking for training student plays an important role.Multimedia also has large information capacity, Large Copacity, can save room and time, can improve teaching efficiency.But existing multimedia teaching exists many problems: in multimedia teaching, teacher, in order to control the page turning of PPT, often can only move in the little scope of distance calculation, and the interaction with student is restricted；Multimedia teaching can not use traditional teacher's pointer to guide, and existing laser guidance device not easily causes attention of student, guides effect poor.
Summary of the invention
In order to solve the deficiencies in the prior art, this utility model provides a kind of multimedia teaching apparatus.
This utility model be the technical scheme is that a kind of multimedia teaching apparatus, including housing, PPT page turning unit, laser guidance unit, power subsystem, it is characterized in that: described housing is cylindrical, housing outer surface is provided with PPT upturning key, PPT downturning key, laser switch key, laser spot size adjustment key, charging socket, and enclosure interior is provided with wireless transmitter module, laser guidance device, battery and electric power management circuit；Described PPT page turning unit includes wireless transmitter module and wireless receiving module；Described wireless transmitter module is arranged on housing, and wireless transmitter module includes encoder and wireless transmitter, and wherein the coding foot of encoder connects the PPT upturning key in housing outer surface, PPT downturning key；Described wireless receiving module is arranged in computer USB, and wireless receiving module includes wireless receiver, USB main control chip；Described laser guidance unit is arranged on housing, laser guidance unit includes generating laser, sound circuit, laser switch key, fixing lens, mobile lens, laser spot size adjustment key, generating laser and sound circuit are in parallel, laser switch key is connected on main line, fixing lens are fixed on generating laser front end, mobile lens is arranged on fixing lens front and can move forward and backward, and mobile lens is connected with laser spot size adjustment key；Described power subsystem is arranged on housing, and power subsystem includes battery, electric power management circuit, charging socket and is sequentially connected with, and power subsystem provides electric energy by circuit to wireless transmitter module and laser guidance unit.
Further, described encoder is coding chip TDH2240.
Further, described wireless transmitter is ASK wireless transmit chip MICRF113, and the carrier frequency of system is 315MHz.
Further, described wireless receiver is wireless receiving chip RF83B, and the frequency, demodulation frequency of its peripheral circuit is 315MHz.
Further, described USB main control chip is the single-chip microcomputer SN8P2201 with USB1.1 data port.
Further, described generating laser is laser diode.
Further, described sound circuit is that storage has " looking at here " voice or has the speech chip of prompt facility ring tone.
Further, described battery is chargeable lithium battery.
Further, described electric power management circuit is DC-DC chip.
This utility model provides the benefit that: PPT page-turning function solves user can not leave the constraint at dais, makes the interaction with student be no longer influenced by restriction；Sound circuit can send guide prompt tone, can strengthen guide effect, alleviates teacher's burden, can cause attention of student, guide effective；Laser spot size adjustment key can according to guiding content size adjustment spot size to strengthen guide effect, and beam-pointing is clear and definite, gives prominence to the key points；Electric power management circuit can make power efficient energy-conservation and voltage stabilizing；Simple in construction cost is low, uses easy to operate, it is easy to promote.
Accompanying drawing explanation
If Fig. 1 is this utility model structured flowchart.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further.
A kind of multimedia teaching apparatus, including housing, PPT page turning unit, laser guidance unit, power subsystem, it is characterized in that: described housing is cylindrical, housing outer surface is provided with PPT upturning key, PPT downturning key, laser switch key, laser spot size adjustment key, charging socket, and enclosure interior is provided with wireless transmitter module, laser guidance device, battery and electric power management circuit；Described PPT page turning unit includes wireless transmitter module and wireless receiving module；Described wireless transmitter module is arranged on housing, and wireless transmitter module includes encoder and wireless transmitter, and wherein the coding foot of encoder connects the PPT upturning key in housing outer surface, PPT downturning key；Described wireless receiving module is arranged in computer USB, and wireless receiving module includes wireless receiver, USB main control chip；Described laser guidance unit is arranged on housing, laser guidance unit includes generating laser, sound circuit, laser switch key, fixing lens, mobile lens, laser spot size adjustment key, generating laser and sound circuit are in parallel, laser switch key is connected on main line, fixing lens are fixed on generating laser front end, mobile lens is arranged on fixing lens front and can move forward and backward, and mobile lens is connected with laser spot size adjustment key；Described power subsystem is arranged on housing, and power subsystem includes battery, electric power management circuit, charging socket and is sequentially connected with, and power subsystem provides electric energy by circuit to wireless transmitter module and laser guidance unit.
Further, described encoder is coding chip TDH2240.
Further, described wireless transmitter is ASK wireless transmit chip MICRF113, and the carrier frequency of system is 315MHz.
Further, described wireless receiver is wireless receiving chip RF83B, and the frequency, demodulation frequency of its peripheral circuit is 315MHz.
Further, described USB main control chip is the single-chip microcomputer SN8P2201 with USB1.1 data port.
Further, described generating laser is laser diode.
Further, described sound circuit is that storage has " looking at here " voice or has the speech chip of prompt facility ring tone.
Further, described battery is chargeable lithium battery.
Further, described electric power management circuit is DC-DC chip.
Claims (9)
1. a multimedia teaching apparatus, including housing, PPT page turning unit, laser guidance unit, power subsystem, is characterized in that:
Described housing is cylindrical, and housing outer surface is provided with PPT upturning key, PPT downturning key, laser switch key, laser spot size adjustment key, charging socket, and enclosure interior is provided with wireless transmitter module, laser guidance device, battery and electric power management circuit；
Described PPT page turning unit includes wireless transmitter module and wireless receiving module；Described wireless transmitter module is arranged on housing, and wireless transmitter module includes encoder and wireless transmitter, and wherein the coding foot of encoder connects the PPT upturning key in housing outer surface, PPT downturning key；Described wireless receiving module is arranged in computer USB, and wireless receiving module includes wireless receiver, USB main control chip；
Described laser guidance unit is arranged on housing, laser guidance unit includes generating laser, sound circuit, laser switch key, fixing lens, mobile lens, laser spot size adjustment key, generating laser and sound circuit are in parallel, laser switch key is connected on main line, fixing lens are fixed on generating laser front end, mobile lens is arranged on fixing lens front and can move forward and backward, and mobile lens is connected with laser spot size adjustment key；
Described power subsystem is arranged on housing, and power subsystem includes battery, electric power management circuit, charging socket and is sequentially connected with, and power subsystem provides electric energy by circuit to wireless transmitter module and laser guidance unit.
2. a kind of multimedia teaching apparatus according to claim 1, is characterized in that: described encoder is coding chip TDH2240.
3. a kind of multimedia teaching apparatus according to claim 1, is characterized in that: described wireless transmitter is ASK wireless transmit chip MICRF113, and the carrier frequency of system is 315MHz.
4. a kind of multimedia teaching apparatus according to claim 1, is characterized in that: described wireless receiver is wireless receiving chip RF83B, and the frequency, demodulation frequency of its peripheral circuit is 315MHz.
5. a kind of multimedia teaching apparatus according to claim 1, is characterized in that: described USB main control chip is the single-chip microcomputer SN8P2201 with USB1.1 data port.
6. a kind of multimedia teaching apparatus according to claim 1, is characterized in that: described generating laser is laser diode.
7. a kind of multimedia teaching apparatus according to claim 1, is characterized in that: described sound circuit is that storage has " looking at here " voice or has the speech chip of prompt facility ring tone.
8. a kind of multimedia teaching apparatus according to claim 1, is characterized in that: described battery is chargeable lithium battery.
9. a kind of multimedia teaching apparatus according to claim 1, is characterized in that: described electric power management circuit is DC-DC chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521114285.8U CN205354406U (en) | 2015-12-29 | 2015-12-29 | Multimedia teaching apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521114285.8U CN205354406U (en) | 2015-12-29 | 2015-12-29 | Multimedia teaching apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205354406U true CN205354406U (en) | 2016-06-29 |
Family
ID=56171909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521114285.8U Expired - Fee Related CN205354406U (en) | 2015-12-29 | 2015-12-29 | Multimedia teaching apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205354406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113284395A (en) * | 2021-05-19 | 2021-08-20 | 山东电子职业技术学院 | Laser pen for multimedia teaching |
-
2015
- 2015-12-29 CN CN201521114285.8U patent/CN205354406U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113284395A (en) * | 2021-05-19 | 2021-08-20 | 山东电子职业技术学院 | Laser pen for multimedia teaching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20161229 |