CN204375188U - Multimedia teaching apparatus - Google Patents
Multimedia teaching apparatus Download PDFInfo
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- CN204375188U CN204375188U CN201520018738.0U CN201520018738U CN204375188U CN 204375188 U CN204375188 U CN 204375188U CN 201520018738 U CN201520018738 U CN 201520018738U CN 204375188 U CN204375188 U CN 204375188U
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- ppt
- laser
- page turning
- wireless receiver
- multimedia teaching
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Abstract
The utility model discloses a kind of multimedia teaching apparatus, be made up of hand-held remote controller and wireless receiver, described hand-held remote controller comprises PPT page turning unit, laser emission element, housing; Described wireless receiver comprises wireless receiving module, USB module; Described PPT page turning unit is for launching turnover key signal, and wireless receiver is for receiving turnover key signal and being transmitted to the computing machine playing PPT, and the corresponding system interface function of computing machine realizes the page turn over operation to PPT; Described laser emission element is used for the guide to playing PPT screen.Solve the constraint that teacher can not leave computing machine in multimedia teaching, realize, to the page turning remote-controlled operation of PPT, making teacher freer, convenient interactive with student; The utility model can also carry out stroboscopic laser guide to broadcasting PPT screen, can cause attention of student, guide effective, student's indefatigability; The utility model structure is simple, uses easy to operate.
Description
Technical field
The utility model belongs to teaching aid technical field, is specially a kind of multimedia teaching apparatus.
Technical background
Developing rapidly and popularizing along with computer technology, multimedia teaching progressively instead of traditional teaching mode in the past, and multimedia teaching has become a kind of trend of modern education.Current, each universities and colleges, middle and primary schools all construct multimedia education system.In multimedia teaching, teacher, in order to the page turning of control PPT, often can only move among a small circle of distance calculation, be restricted with the interaction of student, and teaching efficiency is not very desirable.
Current existing PPT page turner hardware circuit is complicated, and cost is higher, and needs to carry out matching operation to telepilot and receiver before operation.
Multimedia teaching is inconvenient to use traditional teacher's pointer to guide, and it is lasting bright red spot that existing laser guidance device is presented on screen, not easily causes attention of student, guides effect poor, easily produces fatigue.
Summary of the invention
In order to solve the deficiencies in the prior art, the utility model provides a kind of multimedia teaching apparatus, and it integrates PPT page turning and laser guidance two kinds of functions.
The technical scheme that the utility model adopts is: a kind of multimedia teaching apparatus, is made up of hand-held remote controller and wireless receiver, it is characterized in that: described hand-held remote controller comprises PPT page turning unit, laser emission element, housing; Described wireless receiver comprises wireless receiving module, USB module; Described PPT page turning unit is for launching turnover key signal, and wireless receiver is for receiving turnover key signal and being transmitted to the computing machine playing PPT, and the corresponding system interface function of computing machine realizes the page turn over operation to PPT; Described laser emission element is used for the guide to playing PPT screen.
Further, described PPT page turning unit comprises coding chip TDH2240, ASK wireless transmit chip MICRF113, wherein the coding pin of coding chip connects PPT upturning key and PPT downturning key, key command becomes a string binary data by coding chip, pass to ASK wireless transmit chip, the carrier frequency of system is 315MHz.
Further, described laser emission element comprises generating laser, pulse producer, field effect transistor, laser switch, power cathode is connected with the drain electrode of field effect transistor respectively with the negative input end of pulse producer, anode is connected with one end of laser switch, the other end of laser switch enters to hold with the positive elm of pulse producer and is connected respectively with the positive pole of generating laser, the output terminal of pulse producer is connected with the grid of field effect transistor, and the source electrode of field effect transistor is connected with the negative pole of generating laser.
Further, described housing internal fixtion has PPT page turning unit and laser emission element, has control panel and power circuit; Described control panel is provided with PPT upturning key, PPT downturning key, laser switch; Described power circuit comprises lithium battery, charging socket, and battery is connected with laser emission element with PPT page turning unit respectively.
Further, described wireless receiver comprises wireless receiving module, USB module, and wherein wireless receiving module is wireless receiving chip RF83B, and the frequency, demodulation frequency of its peripheral circuit is 315MHz, and USB module is the single-chip microcomputer SN8P2201 with USB1.1 data port; Described wireless receiver inserts the computing machine USB of actual play PPT.
The utility model beneficial effect is: 1. solve the constraint that teacher can not leave computing machine in multimedia teaching, teacher can move freely, and can closely link up with student and exchange, and improves teaching efficiency; 2. the laser that generating laser sends is strobe type, can cause attention of student, guide effective, student's indefatigability; 3. the simple cost of structure is low, uses easy to operate, easily promotes.
Accompanying drawing explanation
If Fig. 1 is the utility model hand-held remote controller structural representation
If Fig. 2 is the utility model wireless receiver structural representation
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
A kind of multimedia teaching apparatus, is made up of hand-held remote controller and wireless receiver, it is characterized in that: described hand-held remote controller comprises PPT page turning unit, laser emission element, housing; Described wireless receiver comprises wireless receiving module, USB module; Described PPT page turning unit is for launching turnover key signal, and wireless receiver is for receiving turnover key signal and being transmitted to the computing machine playing PPT, and the corresponding system interface function of computing machine realizes the page turn over operation to PPT; Described laser emission element is used for the guide to playing PPT screen.
Further, described PPT page turning unit comprises coding chip TDH2240, ASK wireless transmit chip MICRF113, wherein the coding pin of coding chip connects PPT upturning key and PPT downturning key, key command becomes a string binary data by coding chip, pass to ASK wireless transmit chip, the carrier frequency of system is 315MHz.
Further, described laser emission element comprises generating laser, pulse producer, field effect transistor, laser switch, power cathode is connected with the drain electrode of field effect transistor respectively with the negative input end of pulse producer, anode is connected with one end of laser switch, the other end of laser switch is connected with the positive pole of generating laser respectively with the positive input terminal of pulse producer, the output terminal of pulse producer is connected with the grid of field effect transistor, and the source electrode of field effect transistor is connected with the negative pole of generating laser.
Further, described housing internal fixtion has PPT page turning unit and laser emission element, has control panel and power circuit; Described control panel is provided with PPT upturning key, PPT downturning key, laser switch; Described power circuit comprises lithium battery, charging socket, and battery is connected with laser emission element with PPT page turning unit respectively.
Further, described wireless receiver comprises wireless receiving module, USB module, and wherein wireless receiving module is wireless receiving chip RF83B, and the frequency, demodulation frequency of its peripheral circuit is 315MHz, and USB module is the single-chip microcomputer SN8P2201 with USB1.1 data port; Described wireless receiver inserts the computing machine USB of actual play PPT.
Claims (5)
1. a multimedia teaching apparatus, is made up of hand-held remote controller and wireless receiver, it is characterized in that: described hand-held remote controller comprises PPT page turning unit, laser emission element, housing; Described wireless receiver comprises wireless receiving module, USB module; Described PPT page turning unit is for launching turnover key signal, and wireless receiver is for receiving turnover key signal and being transmitted to the computing machine playing PPT, and the corresponding system interface function of computing machine realizes the page turn over operation to PPT; Described laser emission element is used for the guide to playing PPT screen.
2. a kind of multimedia teaching apparatus according to claim 1, it is characterized in that: described PPT page turning unit comprises coding chip TDH2240, ASK wireless transmit chip MICRF113, wherein the coding pin of coding chip connects PPT upturning key and PPT downturning key, key command becomes a string binary data by coding chip, pass to ASK wireless transmit chip, the carrier frequency of system is 315MHz.
3. a kind of multimedia teaching apparatus according to claim 1, it is characterized in that: described laser emission element comprises generating laser, pulse producer, field effect transistor, laser switch, power cathode is connected with the drain electrode of field effect transistor respectively with the negative input end of pulse producer, anode is connected with one end of laser switch, the other end of laser switch is connected with the positive pole of generating laser respectively with the positive input terminal of pulse producer, the output terminal of pulse producer is connected with the grid of field effect transistor, and the source electrode of field effect transistor is connected with the negative pole of generating laser.
4. a kind of multimedia teaching apparatus according to claim 1, is characterized in that: described housing Inner is fixed with PPT page turning unit and laser emission element, has control panel and power circuit; Described control panel is provided with PPT upturning key, PPT downturning key, laser switch; Described power circuit comprises lithium battery, charging socket, and battery is connected with laser emission element with PPT page turning unit respectively.
5. a kind of multimedia teaching apparatus according to claim 1, it is characterized in that: described wireless receiver comprises wireless receiving module, USB module, wherein wireless receiving module is wireless receiving chip RF83B, the frequency, demodulation frequency of its peripheral circuit is 315MHz, and USB module is the single-chip microcomputer SN8P2201 with USB1.1 data port; Described wireless receiver inserts the computing machine USB of actual play PPT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520018738.0U CN204375188U (en) | 2015-01-13 | 2015-01-13 | Multimedia teaching apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520018738.0U CN204375188U (en) | 2015-01-13 | 2015-01-13 | Multimedia teaching apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204375188U true CN204375188U (en) | 2015-06-03 |
Family
ID=53331385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520018738.0U Expired - Fee Related CN204375188U (en) | 2015-01-13 | 2015-01-13 | Multimedia teaching apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204375188U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355116A (en) * | 2015-11-23 | 2016-02-24 | 魏长同 | Classroom teaching pen |
| CN105654788A (en) * | 2016-02-12 | 2016-06-08 | 魏长同 | Classroom matched device |
| CN113284395A (en) * | 2021-05-19 | 2021-08-20 | 山东电子职业技术学院 | Laser pen for multimedia teaching |
-
2015
- 2015-01-13 CN CN201520018738.0U patent/CN204375188U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355116A (en) * | 2015-11-23 | 2016-02-24 | 魏长同 | Classroom teaching pen |
| CN105355116B (en) * | 2015-11-23 | 2017-12-15 | 重庆永林机械设备有限公司 | Classroom instruction pen |
| CN105654788A (en) * | 2016-02-12 | 2016-06-08 | 魏长同 | Classroom matched device |
| CN108182828A (en) * | 2016-02-12 | 2018-06-19 | 吴彬 | Using the classroom corollary apparatus and its method of work of projector |
| CN108257427A (en) * | 2016-02-12 | 2018-07-06 | 吴彬 | Using projector and the classroom corollary apparatus and its method of work of computer |
| CN105654788B (en) * | 2016-02-12 | 2018-07-13 | 江苏云敩信息科技有限公司 | Classroom corollary apparatus |
| CN108346321A (en) * | 2016-02-12 | 2018-07-31 | 邹玉华 | Classroom corollary apparatus based on projector, computer |
| 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 |
Granted publication date: 20150603 Termination date: 20160113 |