CN205213024U - Wireless public address formula teaching audio amplifier - Google Patents

Wireless public address formula teaching audio amplifier Download PDF

Info

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
Application number
CN201521087600.2U
Other languages
Chinese (zh)
Inventor
赵旭波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Gold Champion Science & Education Industry Co Ltd
Original Assignee
Jiangxi Gold Champion Science & Education Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangxi Gold Champion Science & Education Industry Co Ltd filed Critical Jiangxi Gold Champion Science & Education Industry Co Ltd
Priority to CN201521087600.2U priority Critical patent/CN205213024U/en
Application granted granted Critical
Publication of CN205213024U publication Critical patent/CN205213024U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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

A kind of Wireless amplification formula teaching audio amplifier
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.
CN201521087600.2U 2015-12-24 2015-12-24 Wireless public address formula teaching audio amplifier Expired - Fee Related CN205213024U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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