CN203101801U - Teaching projector - Google Patents
Teaching projector Download PDFInfo
- Publication number
- CN203101801U CN203101801U CN 201320156638 CN201320156638U CN203101801U CN 203101801 U CN203101801 U CN 203101801U CN 201320156638 CN201320156638 CN 201320156638 CN 201320156638 U CN201320156638 U CN 201320156638U CN 203101801 U CN203101801 U CN 203101801U
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- CN
- China
- Prior art keywords
- projector
- loudspeaker
- signal receiver
- air
- wireless signal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a teaching projector which comprises a protector body, a loudspeaker, a wireless signal receiver and a clipper wireless microphone, wherein the loudspeaker which is connected with the wireless signal receiver is arranged on the projector body; the clipper wireless microphone is used for transmitting an acoustical signal to the loudspeaker through the wireless signal receiver; a pull-out storage box and a pull-out inflator are arranged on one side of the projector; an air supply fan is arranged in the inflator; and an air inlet is formed in one side of the inflator, and an air outlet is formed in the other side of the projector body. The teaching projector has the beneficial effects that the audio/video integration is achieved, the heat dissipation performance of the projector is promoted, and the service life of the projector is prolonged due to the dustproof effect; the teaching projector is convenient to use and debug; and the function of interaction between teachers and students is achieved as the wireless microphone is additionally arranged.
Description
Technical field
The utility model belongs to the technical field of teaching aid, is specifically related to a kind of teaching projector.
Background technology
Existing projector is of a great variety; be widely applied in the life; it is as a kind of large screen display output device; also be applied in the education and instruction, existing tutoring system usually can with shadow, cent from, can waste the equipment component debug time like this; existing public address set mostly is and is fixedly installed on the dais; when teachers and students are interactive, limited teacher's scope of activities, influence the teaching effect.Many utility appliance are arranged on the projector,, do not have independent storage space on the projector as laser pen, telepilot etc.Heat radiation and dust all can directly influence the serviceable life and the result of use of machine, heat radiation and dust all are insoluble problems in the teaching, and existing heat abstractor is comparatively single, and DeGrain, dust is many to enter internal body by radiator fan, and generally dust guard is not set.
Summary of the invention
The purpose of this utility model is to provide a kind of teaching projector at the defective of above-mentioned existence.
The technical solution of the utility model is: a kind of teaching projector, comprise body, loudspeaker, wireless signal receiver, tie clip formula wireless microphone, body is provided with the loudspeaker that connects wireless signal receiver, tie clip formula wireless microphone is carried voice signal by wireless signal receiver to loudspeaker, one side of body is provided with drawing and pulling type parcel tray and drawing and pulling type air induction mast, be provided with Air Blast fan in the air induction mast, air induction mast one side is provided with air intake opening, the body opposite side is provided with exhausr port, internal body is provided with the vent fan of aiming at exhausr port, enters the air of internal body through internal body from air induction mast and air intake opening, vent fan, exhausr port is finished circulation.
Further improvement of the utility model also has, and above-mentioned drawing and pulling type air induction mast nozzle is provided with the dust filter pad.
Further improvement of the utility model also has, and above-mentioned air intake opening one side is provided with seal pad.
Further improvement of the utility model also has, and is provided with tie clip formula wireless microphone fixator in the above-mentioned parcel tray, and fixator is provided with charging device.
Further improvement of the utility model also has, the shared place's independent current source switch of above-mentioned loudspeaker and wireless signal receiver.
The beneficial effects of the utility model are: sound shadow one, promoted the heat extraction performance of machine, and dustproof, increased the serviceable life of machine, the convenient use, debugging is convenient, machine band wireless microphone has increased teachers and students' interaction function, and micropkonic power supply is an independent current source, has saved the energy.
Description of drawings
Fig. 1 is a kind of the teaching with the structural representation of projector in the utility model embodiment.
Wherein, 1 is body, and 2 is loudspeaker, 3 is wireless signal receiver, and 4 is tie clip formula wireless microphone, and 5 is parcel tray, 6 is the drawing and pulling type air induction mast, and 7 is Air Blast fan, and 8 is exhausr port, 9 is vent fan, and 10 is the dust filter pad, and 11 is seal pad, 12 is air intake opening, 13 is charging device, and 14 is tie clip formula wireless microphone fixator, and 15 is the independent current source switch.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail.
As can be seen from Figure 1, the utility model is a kind of teaching projector, comprise body, loudspeaker, wireless signal receiver, tie clip formula wireless microphone, body is provided with the loudspeaker that connects wireless signal receiver, tie clip formula wireless microphone is carried voice signal by wireless signal receiver to loudspeaker, one side of body is provided with drawing and pulling type parcel tray and drawing and pulling type air induction mast, be provided with Air Blast fan in the air induction mast, air induction mast one side is provided with air intake opening, the body opposite side is provided with exhausr port, internal body is provided with the vent fan of aiming at exhausr port, enters the air of internal body through internal body from air induction mast and air intake opening, vent fan, exhausr port is finished circulation.
Wherein, drawing and pulling type air induction mast nozzle is provided with the dust filter pad; Air intake opening one side is provided with seal pad; Be provided with tie clip formula wireless microphone fixator in the parcel tray, fixator is provided with charging device; The shared place's independent current source switch of loudspeaker and wireless signal receiver.
When using the utility model, earlier body 1 being put into correct position starts, standby from parcel tray 5 taking-up instruments, tie clip formula wireless microphone 4 is placed in the tie clip formula wireless microphone fixator 14 with charging device 13 chargings, when just using projector, because the machine intimate temperature is not high, earlier by air intake opening 12 air inlet voluntarily, with vent fan 9, exhausr port 8 is finished air circulation, when using a period of time machine intimate and machine environment temperature too high, extract drawing and pulling type air induction mast 6 out, Air Blast fan 7 by drawing and pulling type air induction mast 6 inside is blown to machine intimate, quicken the circulation of air, machine is moved, in normal temperature value when the indoor environment dust is too much, such as chalk dust when too much, by seal pad 11 air intake opening 12 is sealed, only used drawing and pulling type air induction mast 6 to the machine intimate air-supply, drawing and pulling type air induction mast 6 is provided with dust filter pad 10, guarantee the health of machine intimate, increased service life of a machine.Loudspeaker 2 if desired, earlier independent current source switch 15 opened, and for loudspeaker 2 and wireless signal receiver 3 energisings, take out tie clip formula wireless microphone 4 and do not use at collar.
Claims (5)
1. teaching projector, comprise body, loudspeaker, wireless signal receiver, tie clip formula wireless microphone, it is characterized by, body is provided with the loudspeaker that connects wireless signal receiver, tie clip formula wireless microphone is carried voice signal by wireless signal receiver to loudspeaker, one side of body is provided with drawing and pulling type parcel tray and drawing and pulling type air induction mast, be provided with Air Blast fan in the air induction mast, air induction mast one side is provided with air intake opening, the body opposite side is provided with exhausr port, internal body is provided with the vent fan of aiming at exhausr port, enters the air of internal body through internal body from air induction mast and air intake opening, vent fan, exhausr port is finished circulation.
2. teaching projector according to claim 1 is characterized by, and described drawing and pulling type air induction mast nozzle is provided with the dust filter pad.
3. teaching projector according to claim 1 is characterized by, and described air intake opening one side is provided with seal pad.
4. teaching projector according to claim 1 is characterized by, and is provided with tie clip formula wireless microphone fixator in the described parcel tray, and fixator is provided with charging device.
5. teaching projector according to claim 1 is characterized by, the shared place's independent current source switch of described loudspeaker and wireless signal receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320156638 CN203101801U (en) | 2013-04-01 | 2013-04-01 | Teaching projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320156638 CN203101801U (en) | 2013-04-01 | 2013-04-01 | Teaching projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203101801U true CN203101801U (en) | 2013-07-31 |
Family
ID=48853186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320156638 Expired - Fee Related CN203101801U (en) | 2013-04-01 | 2013-04-01 | Teaching projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203101801U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433780A (en) * | 2021-05-17 | 2021-09-24 | 重庆市永川职业教育中心 | Teaching demonstration ware suitable for electronic technology uses |
| CN114296306A (en) * | 2021-11-25 | 2022-04-08 | 江西云科信息发展有限公司 | Heat dissipation box for projector and heat dissipation method thereof |
-
2013
- 2013-04-01 CN CN 201320156638 patent/CN203101801U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433780A (en) * | 2021-05-17 | 2021-09-24 | 重庆市永川职业教育中心 | Teaching demonstration ware suitable for electronic technology uses |
| CN114296306A (en) * | 2021-11-25 | 2022-04-08 | 江西云科信息发展有限公司 | Heat dissipation box for projector and heat dissipation method thereof |
| CN114296306B (en) * | 2021-11-25 | 2024-03-08 | 南昌孟极技术有限公司 | Radiator box for projector and radiating method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20140401 |