CN203673687U - Multifunctional loudspeaker for teaching - Google Patents
Multifunctional loudspeaker for teaching Download PDFInfo
- Publication number
- CN203673687U CN203673687U CN201420017283.6U CN201420017283U CN203673687U CN 203673687 U CN203673687 U CN 203673687U CN 201420017283 U CN201420017283 U CN 201420017283U CN 203673687 U CN203673687 U CN 203673687U
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- CN
- China
- Prior art keywords
- loudspeaker
- housing
- shell
- audio amplifier
- display screen
- Prior art date
- 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
Links
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003321 amplification Effects 0.000 abstract 1
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model provides a multifunctional loudspeaker for teaching. The multifunctional loudspeaker comprises a housing and a loudspeaker box, wherein the loudspeaker box is disposed at the lower part of the front end of the housing; a display screen is disposed at the upper part of the housing; four control keys are arranged between the loudspeaker box and the display screen; a power supply sound volume button, a recording button, a TF card slot, a microphone jack, an audio jack and an antenna are arranged in turn from left to right on the top end of the housing; a USB insertion slot is arranged on the right side of the housing; a pair of stringing holes are arranged on the back side of the housing; a fixing plate is disposed between the stringing holes; a hook is fixedly arranged in the fixing plate; and a slot is arranged in the lower part of the back side of the housing. The beneficial effects of the multifunctional loudspeaker are that the loudspeaker has the functions of a recording machine, a radio receiver and an MP3; a dual voice coil design is used for amplification, the power is strong, the low frequency is full and the medium frequency is smooth, thereby ensuring the study quality in class; and the loudspeaker is convenient for teachers to carry, and usage is not influenced.
Description
Technical field
The utility model relates to teaching equipment field, relates in particular to a kind of multi-functional teaching loudspeaker.
Background technology
University's classroom student's ratio is more now, classroom is too large, and teacher speaks and often can not hear clearly, and has taked loudspeaker apparatus in some classrooms, but be to be all fixed on lectern, position is fixed, once teacher stands away, amplifying effect will be very poor, and the matter of loudspeaker apparatus is put not high, often have noise, and distortion situation is obvious, is unfavorable for the expansion of teaching.
Utility model content
The purpose of this utility model is to overcome weak point of the prior art, and a kind of multi-functional teaching loudspeaker is provided.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind of multi-functional teaching loudspeaker, comprise shell and audio amplifier, the bottom of shell front end is provided with audio amplifier, top is provided with display screen, four operating keys of row are set between audio amplifier and display screen, shell top is from left to right disposed with power supply sound volume button, recording button, TF draw-in groove, microphone jack and audio jack and antenna, the right side of shell is provided with a USB jack, the back side of shell is provided with a pair of lacing hole, between lacing hole, be provided with fixed head, in fixed head, be fixedly installed hook, the lower backside of shell is provided with a groove.
Further described audio amplifier is double voice coil audio amplifier, and display screen is high brightness super large digital display screen, can loudspeaker be fixed on to the person through waistband rope upper in lacing hole, and hook can be extracted out from fixed head, injects in groove and is fixed.
The utlity model has following beneficial effect:
Multi-functional teaching loudspeaker of the present utility model, has the function of sound-track engraving apparatus, radio and MP3, amplifies and takes double voice coil design, and power is powerful, and low frequency is full, and intermediate frequency is round and smooth, and the quality of the study that ensures to attend class, facilitates teacher to carry, and does not affect use.
Brief description of the drawings
Fig. 1 is view under loudspeaker provided by the utility model;
Fig. 2 is loudspeaker rear view provided by the utility model;
Fig. 3 is loudspeaker vertical view provided by the utility model;
Fig. 4 is loudspeaker right view provided by the utility model.
Symbol description:
1: shell 2: audio amplifier 3: display screen 4: operating key 5: power supply sound volume button
6: recording button 7: antenna 8:TF draw-in groove 9: microphone jack
10: audio jack 11:USB jack 12: fixed head 13: hook
14: groove 15: lacing hole 16: waistband rope
Embodiment
Below in conjunction with drawings and Examples, the utility model will be further described.
As a kind of embodiment of the present utility model, consult Fig. 1, a kind of multi-functional teaching loudspeaker, comprise shell 1 and audio amplifier 2, the bottom of shell 1 front end is provided with audio amplifier 2, top is provided with display screen 3, between audio amplifier 2 and display screen 3, be provided with four operating keys 4, shell 1 top is from left to right disposed with power supply sound volume button 5, recording button 6, TF draw-in groove 8, microphone jack 9 and audio jack 10 and antenna 7, the right side of shell 1 is provided with a USB jack, the back side of shell 1 is provided with a pair of lacing hole 15, between lacing hole 15, be provided with fixed head 12, in fixed head 12, be fixedly installed hook 13, the lower backside of shell 1 is provided with a groove 14.
Further described audio amplifier 2 is double voice coil audio amplifier, and display screen 3 is high brightness super large digital display screen, and lacing hole 15 is interior can be fixed on the person above loudspeaker through waistband rope, and hook 13 can be extracted out from fixed head 12, injects in groove 14 and is fixed.
When teacher needs to expand volume at school, microphone is injected to micropkonic microphone jack 9, rotary power source sound volume button 5 regulates the size of volume, teacher's sound just can pass from audio amplifier 2, enters each student's ear, and audio amplifier 2 designs for double voice coil, power is powerful, low frequency is full, and intermediate frequency is round and smooth, ensures the quality of attending class and learning.This loudspeaker also has sound-recording function, and rotation recording button 6 just can be recorded, and antenna 7 is extracted from antenna hole, just can listen to FM radio station.Loudspeaker also has the function of MP3, and TF card is injected to TF draw-in groove, or USB flash disk reeve USB jack, and user injects audio jack earphone, just can listen to the music in TF card or USB flash disk.
Loudspeaker can be fixed on waistband by linking up with 13, also can fix loudspeaker by waistband rope 16, carry-on loudspeaker braces, is convenient for carrying, and does not affect use.
In sum; the utility model is only illustrated the micropkonic embodiment of multi-functional teaching; but the utility model is not limited to this; it will be appreciated by those skilled in the art that in the case of not departing from the protection domain that claims of the present utility model record and can change arbitrarily and revise.
Claims (2)
1. a multi-functional teaching loudspeaker, it is characterized in that, comprise shell (1) and audio amplifier (2), the bottom of shell (1) front end is provided with audio amplifier (2), top is provided with display screen (3), between audio amplifier (2) and display screen (3), be provided with four operating keys (4), shell (1) top is from left to right disposed with power supply sound volume button (5), recording button (6), TF draw-in groove (8), microphone jack (9) and audio jack (10) and antenna (7), the right side of shell (1) is provided with a USB jack, the back side of shell (1) is provided with a pair of lacing hole (15), between lacing hole (15), be provided with fixed head (12), in fixed head (12), be fixedly installed hook (13), the lower backside of shell (1) is provided with a groove (14).
2. multi-functional teaching loudspeaker as claimed in claim 1, is characterized in that, described audio amplifier (2) is double voice coil audio amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017283.6U CN203673687U (en) | 2014-01-13 | 2014-01-13 | Multifunctional loudspeaker for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017283.6U CN203673687U (en) | 2014-01-13 | 2014-01-13 | Multifunctional loudspeaker for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203673687U true CN203673687U (en) | 2014-06-25 |
Family
ID=50969955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420017283.6U Expired - Fee Related CN203673687U (en) | 2014-01-13 | 2014-01-13 | Multifunctional loudspeaker for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203673687U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781873A (en) * | 2017-02-17 | 2017-05-31 | 湖南民族职业学院 | A kind of Oral English Training device for correcting pronunciation mistakes that is easy to carry |
| CN107071630A (en) * | 2017-05-11 | 2017-08-18 | 刘晓英 | Portable loudspeaker box |
| CN107393353A (en) * | 2017-07-25 | 2017-11-24 | 安庆状元郎电子科技有限公司 | It is a kind of to be easy to the multi-functional loudspeaker that class-teaching of teacher uses |
-
2014
- 2014-01-13 CN CN201420017283.6U patent/CN203673687U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781873A (en) * | 2017-02-17 | 2017-05-31 | 湖南民族职业学院 | A kind of Oral English Training device for correcting pronunciation mistakes that is easy to carry |
| CN107071630A (en) * | 2017-05-11 | 2017-08-18 | 刘晓英 | Portable loudspeaker box |
| CN107393353A (en) * | 2017-07-25 | 2017-11-24 | 安庆状元郎电子科技有限公司 | It is a kind of to be easy to the multi-functional loudspeaker that class-teaching of teacher uses |
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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: 20140625 Termination date: 20150113 |
|
| EXPY | Termination of patent right or utility model |