CN201623853U - Multi-function sound amplifier - Google Patents
Multi-function sound amplifier Download PDFInfo
- Publication number
- CN201623853U CN201623853U CN2010201292273U CN201020129227U CN201623853U CN 201623853 U CN201623853 U CN 201623853U CN 2010201292273 U CN2010201292273 U CN 2010201292273U CN 201020129227 U CN201020129227 U CN 201020129227U CN 201623853 U CN201623853 U CN 201623853U
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- CN
- China
- Prior art keywords
- sound amplifier
- chassis body
- control circuit
- casing
- function
- 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
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Abstract
The utility model discloses a multi-function sound amplifier, comprising a casing and sound amplifier circuits provided in the casing, wherein the casing consists of a cabinet body and a retractable handle on the top of the cabinet body, and the sound amplifier circuits consist of a master control circuit, a sound effect device, a power amplifier, a medium player and a power supply component for supplying power. A microphone interface, an external audio input interface, a function control panel and a display are connected to the master control circuit and distributed on the surface of the cabinet body. The multi-function sound amplifier, integrating a plurality of play functions, can be used in various working situations independently without other play devices and is cost-saving and easy-maintaining. Having a compact structure with the sound amplifier circuits embedded inside the casing and a plurality of interfaces, the function control panel and the display arranged on the casing, the multi-function sound amplifier is portable and convenient to use. The retractable handle on the casing further facilitates carrying the multi-function sound amplifier.
Description
Technical field
The utility model relates to a kind of public address equipment, particularly a kind of integrated sound amplifier of multiple playing function.
Background technology
At present, common sound amplifier has been widely used in the place that classroom instruction, group training, small-sized party etc. need amplify, but progressive and development of science and technology along with the epoch, various audio frequency and video Storage Medias have appearred, people are more and more to the requirement of sound amplifier function, and the common sound amplifier of function singleness can not meet people's requirement well, cause needing in use to increase various dedicated play equipment, so not only cause increasing greatly use cost and maintenance workload, also lost original portability.
Summary of the invention
For addressing the above problem, the utility model provides a kind of diverse in function, compact conformation, portable sound amplifier.
The utility model is that the technical scheme that its problem of solution is adopted is:
A kind of multi-functional sound amplifier, comprise housing and be installed on the interior sound amplifier circuit of housing, described housing comprises chassis body and the folded handle that links to each other with the chassis body top, described sound amplifier circuit comprises total control circuit, effect device, power amplifier, media player and the power supply module that is used to provide supply of electric power, the input of described effect device is connected with total control circuit, the output of effect device is connected with the loud speaker that is arranged at the chassis body surface by power amplifier, the output of described media player and total control circuit and the audio frequency and the video output interface that are arranged at the chassis body surface are connected respectively, and described chassis body surface also is provided with the microphone interface that is connected with total control circuit respectively, outer audio input interface, feature operation panel and display screen.
Wherein, described media player comprises the video disc player of broadcast receiver, compatible DVD, VCD, CD, MP3 format and has SD and the audio player of USB interface.
Further, but described chassis body is provided with the battery Hatch Opening of folding.
The beneficial effects of the utility model are: the utility model is gathered multiple playing function in same integral body, can independently use in various workplaces, does not need the cooperation of other dedicated play equipment, can save cost and maintenance workload, is easy to carry; In addition, sound amplifier circuit of the present utility model is installed in the housing, and housing disposes multiple interfaces, feature operation panel and display screen etc. outward, compact conformation, and easy to use, set the folded handle of housing has further improved portability of the present utility model.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is a surface structure schematic diagram of the present utility model.
Embodiment
See figures.1.and.2, a kind of multi-functional sound amplifier provided by the utility model, comprise housing 100 and sound amplifier circuit, its middle shell 100 is generally made by the ABS engineering plastics material of lightweight, its inside is provided with installs the storehouse, the components and parts of sound amplifier circuit are installed in this storehouse, housing 100 comprises chassis body 101 and the folded handle 102 that links to each other with chassis body 101 tops, this can fold the portability that handle 102 has greatly improved this product, described sound amplifier circuit comprises total control circuit 201, effect device 202, power amplifier 203, media player 204 and the power supply module 205 that is used to provide supply of electric power, the input of described effect device 202 is connected with total control circuit 201, the output of effect device 202 is connected with the loud speaker 103 that is arranged at chassis body 101 surfaces by power amplifier 203, loud speaker 103 generally is located at the back of chassis body 101, the size of loud speaker 103, power, quantity etc. can be configured as required, the output of described media player 204 and total control circuit 201 and the audio frequency and the video output interface 104 that are arranged at chassis body 101 surfaces are connected respectively, described chassis body 101 surfaces also are provided with the microphone interface 105 that is connected with total control circuit 201 respectively, outer audio input interface 106, feature operation panel 107 and display screen 108, the control handle that microphone is wherein arranged on the guidance panel 107, media player 204 mains switches and volume control knob, audio frequency input control handle, the tone adjusting knob, reverberation effect adjusting knob and mains switch etc., display screen 108 is used for the various broadcast states of display media player 204.
The utility model is powered to the circuit elements device of chassis body inside by power supply module 205 by storage battery and/or electric main, and used storage battery is preferably high power capacity ratio, high density, the non-maintaining valve-control sealed lead acid battery of 12V.During sound amplifier work, under the control of total control circuit 201, media player 204 and handle through effect device 202 by the signal that microphone interface 104 and outer audio input interface 106 enter after, amplify back promotion loud speakers 204 by power amplifier 203 again and sound.
During practical application, media player 204 comprises the video disc player of broadcast receiver, compatible DVD, VCD, CD, MP3 format and has SD interface 112 and the audio player of usb 1 11.Corresponding with above-mentioned player, on the guidance panel 107 operated by rotary motion have the control disc player the video disc button that goes out to put in storage, stop key, forward key, retreat button, pause button, track selecting button, functional mode conversion keys, song selection key, AM/FM broadcast receiver button etc.
For convenience of the battery altering of chassis body 101 inside, but chassis body 101 is provided with the battery Hatch Opening 109 of folding, and when battery Hatch Opening 109 was opened, the user can change or change the battery of inside, and was convenient and swift.
In addition, in order to receive the broadcast signal better, also be provided with reception antenna 110 on the chassis body 101 of sound amplifier; Further, in order in time to reflect the operating state of sound amplifier, generally also be provided with functional indicator light on the chassis body 101, be used for showing the volume of microphone, start normal condition, charging and charging completion status, the microphone accepting state, the not enough state of battery electric quantity etc.
Above-mentionedly just preferred embodiments more of the present utility model are illustrated and describe; but execution mode of the present utility model is not restricted to the described embodiments; as long as it reaches technique effect of the present utility model with essentially identical means, all should belong to protection range of the present utility model.
Claims (3)
1. multi-functional sound amplifier, comprise housing (100) and be installed on the interior sound amplifier circuit of housing (100), it is characterized in that described housing (100) comprises chassis body (101) and the folded handle (102) that links to each other with chassis body (101) top, described sound amplifier circuit comprises total control circuit (201), effect device (202), power amplifier (203), media player (204) and the power supply module (205) that is used to provide supply of electric power, the input of described effect device (202) is connected with total control circuit (201), the output of effect device (202) is connected with the loud speaker (103) that is arranged at chassis body (101) surface by power amplifier (203), the output of described media player (204) and total control circuit (201) and the audio frequency and the video output interface (104) that are arranged at chassis body (101) surface are connected respectively, and described chassis body (101) surface also is provided with the microphone interface (105) that is connected with total control circuit (201) respectively, outer audio input interface (106), feature operation panel (107) and display screen (108).
2. a kind of multi-functional sound amplifier according to claim 1 is characterized in that described media player (204) comprises the video disc player of broadcast receiver, compatible DVD, VCD, CD, MP3 format and has SD and the audio player of USB interface.
3. a kind of multi-functional sound amplifier according to claim 1, it is characterized in that described chassis body (101) but be provided with the battery Hatch Opening (109) of folding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201292273U CN201623853U (en) | 2010-03-12 | 2010-03-12 | Multi-function sound amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201292273U CN201623853U (en) | 2010-03-12 | 2010-03-12 | Multi-function sound amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201623853U true CN201623853U (en) | 2010-11-03 |
Family
ID=43027305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201292273U Expired - Fee Related CN201623853U (en) | 2010-03-12 | 2010-03-12 | Multi-function sound amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201623853U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103702271A (en) * | 2013-12-13 | 2014-04-02 | 宁波中荣声学科技有限公司 | Amplifier back panel |
| CN104902357A (en) * | 2015-04-30 | 2015-09-09 | 常州英耐尔电子有限公司 | Portable megaphone |
-
2010
- 2010-03-12 CN CN2010201292273U patent/CN201623853U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103702271A (en) * | 2013-12-13 | 2014-04-02 | 宁波中荣声学科技有限公司 | Amplifier back panel |
| CN103702271B (en) * | 2013-12-13 | 2017-06-30 | 宁波中荣声学科技有限公司 | A kind of amplifier back panel |
| CN104902357A (en) * | 2015-04-30 | 2015-09-09 | 常州英耐尔电子有限公司 | Portable megaphone |
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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: 20101103 Termination date: 20130312 |