CN205213024U - Wireless public address formula teaching audio amplifier - Google Patents
Wireless public address formula teaching audio amplifier Download PDFInfo
- Publication number
- CN205213024U CN205213024U CN201521087600.2U CN201521087600U CN205213024U CN 205213024 U CN205213024 U CN 205213024U CN 201521087600 U CN201521087600 U CN 201521087600U CN 205213024 U CN205213024 U CN 205213024U
- Authority
- CN
- China
- Prior art keywords
- audio amplifier
- base
- amplifier body
- receiving antenna
- support
- 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
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The utility model discloses a wireless public address formula teaching audio amplifier, including guide pulley, base, flexible pull rod, spirit level, pushing hands, support, sunshade, wireless receiving antenna, charging source, audio amplifier body, data interface end and LED lamp, the base bottom surface be equipped with the guide pulley, base one side is equipped with flexible pull rod, flexible pull rod top is equipped with the pushing hands, is equipped with the audio amplifier body on the base, audio amplifier body one side is equipped with charging source, is equipped with the data interface end on the audio amplifier body, audio amplifier body upper portion is equipped with the wireless receiving antenna, is equipped with the support on the base, is equipped with the sunshade on the support, is equipped with the LED lamp on the base, is equipped with volume control button and frequency modulation on the base and presses the button. The utility model discloses can use in different classrooms, reduce the output of cost, avoid in the classroom sunshine to penetrate directly and arouse that the component is ageing, convenient operation and adjusting, simple structure, convenient to use does benefit to the popularization.
Description
Technical field
The utility model relates to a kind of educational facilities, specifically a kind of Wireless amplification formula teaching audio amplifier.
Background technology
Audio amplifier is the terminal of whole sound system, and its effect is that audio frequency electric energy is converted to corresponding acoustic energy, and it is radiated space.It is the extremely important part of sound system, the signal of telecommunication is transformed into acoustical signal directly listens to so mission critical because which is responsible for the ear of people, it is wanted directly and the sense of hearing of people is come into contacts with, and the sense of hearing of people is very sensitive, and to the tone color of complex sound, there is very strong resolving ability.Because people's ear to evaluate the most important standard of a sound system tonequality quality just to the subjective feeling of sound, therefore, can think, the performance height of audio amplifier is play key effect to the playing quality of a sound system.Existing teaching audio amplifier is all generally hang on the wall, can not move, and during maintenance, dismounting difficulty, is difficult to operation simultaneously, very inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of Wireless amplification formula teaching audio amplifier, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of Wireless amplification formula teaching audio amplifier, comprise guide wheel, base, telescopic lever, level meter, pushing hands, support, sunshade, wireless receiving antenna, charge power supply, audio amplifier body, data-interface end and LED, described base end face is provided with guide wheel, base side is provided with telescopic lever, telescopic lever top is provided with pushing hands, base is provided with audio amplifier body, audio amplifier body side is provided with charge power supply, audio amplifier body is provided with data-interface end, audio amplifier body upper part is provided with wireless receiving antenna, base is provided with support, support is provided with sunshade, base is provided with LED, base is provided with volume adjusting button and frequency modulation button.
As further program of the utility model: described guide wheel is provided with parking brake.
As the utility model further scheme: described wireless receiving antenna is telescopic structure.
Compared with prior art, the beneficial effects of the utility model are: the utility model guide wheel facilitates device to move, time saving and energy saving, according to the height of different users and the height of custom adjustment telescopic lever, handled easily, pushing hands conveniently pulls, audio amplifier can be used in different classroom, reduce the output of cost, data-interface end is the input and output of connection signal, charge power supply provides power supply for audio amplifier body, wireless receiving antenna improves the effect receiving extraneous signal, audio amplifier body receives by wireless receiving antenna the English Listening Comprehension and some other channels that school puts, sunshade avoids direct sunlight in classroom to cause component ageing, improve useful life, LED provides illumination when night or dark, be convenient for people to use, volume adjusting knob just regulates the volume of audio amplifier body, frequency modulation button adjustment receive frequency, handled easily and adjustment, structure is simple, easy to use, be beneficial to popularization.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Wireless amplification formula teaching audio amplifier.
In figure: 1, guide wheel, 2, base, 3, telescopic lever, 4, level meter, 5, pushing hands, 6, support, 7, sunshade, 8, wireless receiving antenna, 9, charge power supply, 10, audio amplifier body, 11, data-interface end, 12, LED, 13, volume adjusting button, 14, frequency modulation button.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1, a kind of Wireless amplification formula teaching audio amplifier, comprise guide wheel 1, base 2, telescopic lever 3, level meter 4, pushing hands 5, support 6, sunshade 7, wireless receiving antenna 8, charge power supply 9, audio amplifier body 10, data-interface end 11 and LED 12, described base 2 bottom surface is provided with guide wheel 1, guide wheel 1 is provided with parking brake, guide wheel 1 facilitates device to move, time saving and energy saving, base 2 side is provided with telescopic lever 3, telescopic lever 3 top is provided with pushing hands 5, according to the height of different users and the height of custom adjustment telescopic lever 3, handled easily, pushing hands 5 conveniently pulls, audio amplifier can be used in different classroom, reduce the output of cost, base 2 is provided with audio amplifier body 10, audio amplifier body 10 side is provided with charge power supply 9, audio amplifier body 10 is provided with data-interface end 11, data-interface end 11 is the input and output of connection signal, charge power supply 9 provides power supply for audio amplifier body 10, audio amplifier body 10 top is provided with wireless receiving antenna 8, wireless receiving antenna 8 is telescopic structure, wireless receiving antenna 8 improves the effect receiving extraneous signal, audio amplifier body 10 receives by wireless receiving antenna 8 English Listening Comprehension and some other channels that school puts, base 2 is provided with support 6, support 6 is provided with sunshade 7, sunshade 7 avoids direct sunlight in classroom to cause component ageing, improve useful life, base 2 is provided with LED 12, LED 12 provides illumination when night or dark, be convenient for people to use, base 2 is provided with volume adjusting button 13 and frequency modulation button 14, the convenient volume regulating audio amplifier body 10 of volume adjusting button 13, frequency modulation button 14 adjusts receive frequency, handled easily and adjustment.
Operation principle of the present utility model is: the utility model guide wheel facilitates device to move, time saving and energy saving, according to the height of different users and the height of custom adjustment telescopic lever, handled easily, pushing hands conveniently pulls, audio amplifier can be used in different classroom, reduce the output of cost, data-interface end is the input and output of connection signal, charge power supply provides power supply for audio amplifier body, wireless receiving antenna improves the effect receiving extraneous signal, audio amplifier body receives by wireless receiving antenna the English Listening Comprehension and some other channels that school puts, sunshade avoids direct sunlight in classroom to cause component ageing, improve useful life, LED provides illumination when night or dark, be convenient for people to use, volume adjusting knob just regulates the volume of audio amplifier body, frequency modulation button adjustment receive frequency, handled easily and adjustment.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned execution mode, in the ken that one skilled in the relevant art possesses, can also makes a variety of changes under the prerequisite not departing from this patent aim.
Claims (3)
1. a Wireless amplification formula teaching audio amplifier, comprise guide wheel, base, telescopic lever, level meter, pushing hands, support, sunshade, wireless receiving antenna, charge power supply, audio amplifier body, data-interface end and LED, it is characterized in that, described base end face is provided with guide wheel, base side is provided with telescopic lever, telescopic lever top is provided with pushing hands, base is provided with audio amplifier body, audio amplifier body side is provided with charge power supply, audio amplifier body is provided with data-interface end, audio amplifier body upper part is provided with wireless receiving antenna, base is provided with support, support is provided with sunshade, base is provided with LED, base is provided with volume adjusting button and frequency modulation button.
2. a kind of Wireless amplification formula teaching audio amplifier according to claim 1, it is characterized in that, described guide wheel is provided with parking brake.
3. a kind of Wireless amplification formula teaching audio amplifier according to claim 1, it is characterized in that, described wireless receiving antenna is telescopic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087600.2U CN205213024U (en) | 2015-12-24 | 2015-12-24 | Wireless public address formula teaching audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087600.2U CN205213024U (en) | 2015-12-24 | 2015-12-24 | Wireless public address formula teaching audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205213024U true CN205213024U (en) | 2016-05-04 |
Family
ID=55850709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521087600.2U Expired - Fee Related CN205213024U (en) | 2015-12-24 | 2015-12-24 | Wireless public address formula teaching audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205213024U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106101920A (en) * | 2016-08-15 | 2016-11-09 | 常州百富电子有限公司 | Outdoor moving audio amplifier |
| CN106101921A (en) * | 2016-08-15 | 2016-11-09 | 常州百富电子有限公司 | Portable type outdoor Mobile loudspeaker box |
| CN106101919A (en) * | 2016-08-15 | 2016-11-09 | 常州百富电子有限公司 | Outdoor moving audio amplifier with rainproof function |
| CN106101918A (en) * | 2016-08-15 | 2016-11-09 | 常州百富电子有限公司 | Outdoor moving audio amplifier improved structure |
| CN106101879A (en) * | 2016-08-15 | 2016-11-09 | 常州百富电子有限公司 | Multifunction outdoor Mobile loudspeaker box |
-
2015
- 2015-12-24 CN CN201521087600.2U patent/CN205213024U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106101920A (en) * | 2016-08-15 | 2016-11-09 | 常州百富电子有限公司 | Outdoor moving audio amplifier |
| CN106101921A (en) * | 2016-08-15 | 2016-11-09 | 常州百富电子有限公司 | Portable type outdoor Mobile loudspeaker box |
| CN106101919A (en) * | 2016-08-15 | 2016-11-09 | 常州百富电子有限公司 | Outdoor moving audio amplifier with rainproof function |
| CN106101918A (en) * | 2016-08-15 | 2016-11-09 | 常州百富电子有限公司 | Outdoor moving audio amplifier improved structure |
| CN106101879A (en) * | 2016-08-15 | 2016-11-09 | 常州百富电子有限公司 | Multifunction outdoor Mobile loudspeaker box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205213024U (en) | Wireless public address formula teaching audio amplifier | |
| CN204119435U (en) | Digital radio is given lessons portable unit | |
| CN204292540U (en) | A kind of school desk of lamp light adjustable brightness | |
| CN207053692U (en) | A kind of interim Wireless amplification formula audio amplifier of simple teaching | |
| CN207625758U (en) | A kind of pull rod sound equipment that open air uses | |
| CN207652629U (en) | A kind of intelligent radio microphone | |
| CN206117978U (en) | Portable sound box | |
| CN203384763U (en) | Table lamp | |
| CN103686523A (en) | Intelligent light-sensitive stereo | |
| CN203027415U (en) | Touch sound device | |
| CN108419196A (en) | A kind of loudspeaker | |
| CN206212255U (en) | Multifunctional portable sound box | |
| CN203563180U (en) | Portable multifunctional learning headset | |
| CN203435128U (en) | Sound-amplifying all-in-one machine for digital active sound box | |
| CN203522982U (en) | Novel bluetooth loudspeaker box | |
| CN104469563A (en) | Portable outdoor lighting sound box | |
| CN202998428U (en) | Light-induced intelligent sound equipment | |
| CN208622259U (en) | A kind of mathematical education apparatus for demonstrating | |
| CN203167206U (en) | Novel light emitting microphone | |
| CN201213288Y (en) | Television set having Bluetooth function | |
| CN205726337U (en) | A kind of LED breath light audio amplifier | |
| CN217607933U (en) | Luminous earphone bracket | |
| CN211827642U (en) | Portable attention training auxiliary teaching aid | |
| CN202696888U (en) | Portable wireless loudspeaker | |
| CN210865173U (en) | Multifunctional infant intelligence-developing learning device |
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: 20160504 Termination date: 20161224 |