CN203027412U - Alternating-current and direct-current double-purpose active integrated loudspeaker box - Google Patents
Alternating-current and direct-current double-purpose active integrated loudspeaker box Download PDFInfo
- Publication number
- CN203027412U CN203027412U CN 201220642457 CN201220642457U CN203027412U CN 203027412 U CN203027412 U CN 203027412U CN 201220642457 CN201220642457 CN 201220642457 CN 201220642457 U CN201220642457 U CN 201220642457U CN 203027412 U CN203027412 U CN 203027412U
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- circuit
- alternating
- loudspeaker
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Abstract
The utility model relates to an alternating-current and direct-current double-purpose active integrated loudspeaker box. The alternating-current and direct-current double-purpose active integrated loudspeaker box comprises a loudspeaker box shell, a loudspeaker unit arranged inside the loudspeaker box shell, a power amplification circuit module connected with the loudspeaker unit, a power source module connected with the power amplification, and a display connected with the power source module, wherein the power source module comprises a direct-current circuit and an alternating-current circuit; the direct-current circuit and the alternating-current circuit are respectively connected with the power amplification module; a terminal of an alternating-current input connector on the loudspeaker shell is connected with the alternating-current circuit; the direct-current circuit is connected with a terminal of a direct-current connector on the loudspeaker shell; and the direct-current circuit and the alternating-current circuit are independent circuits. The active loudspeaker box provided by the utility model can conveniently find out replaced input, so that the alternating-current and direct-current double-purpose active integrated loudspeaker box is very convenient for people to use.
Description
Technical field
This area relates to a kind of audio amplifier, relates in particular to a kind of active integrated sound box of AC/DC that can either use AC power can use again DC power supply.
Background technology
Audio amplifier is the terminal of whole sound system, and its effect is that the audio frequency electric energy is converted to corresponding acoustic energy, and it is radiated the space.Common audio amplifier includes active audio amplifier and passive loudspeaker box, with respect to not with the passive loudspeaker box of power amplifier, active audio amplifier is a kind of audio amplifier that is built-in with the built-in power amplifying circuit, need to switch on power for the built-in power amplifying circuit provides power supply, voice signal just can be worked after inputting audio amplifier by input terminal.Active audio amplifier is existing multiplex in the computer multi-media field, and some have the occasion (such as the electronic organ audio amplifier) of specific demand.Due to power amplifier, therefore active audio amplifier need to provide the power amplifier unit of inside enough power supply supports to work, common are at present the source audio amplifier, all to use transformer or battery to carry out direct current supply mostly, usually the more rare active audio amplifier that has the use alternating current to power, still lack on market and can namely can use alternating current can use galvanic active audio amplifier again.
The utility model content
The utility model is in order to overcome the shortcoming of prior art, to provide a kind of alternating current that can either use can use again the active integrated sound box of galvanic AC/DC.
for achieving the above object, the active integrated sound box of AC/DC of the present utility model has adopted following technical scheme: the active integrated sound box of AC/DC of the present utility model, comprise casing of loudspeaker box, be located at the loudspeaker unit in casing of loudspeaker box, the power amplifier module that is connected with loudspeaker unit, the power module that is connected with power amplifier module, and the display that is connected with power module, the active integrated sound box of this AC/DC with power module include DC circuit and alternating current circuit, this described DC circuit is connected with power amplifier module with alternating current circuit and is connected, on described alternating current circuit and casing of loudspeaker box, the terminal of set interchange input connector is connected, the terminal of the direct current connector on described DC circuit and casing of loudspeaker box is connected.
In the active integrated sound box of AC/DC of the present utility model, described DC circuit and alternating current circuit are separate circuit.
In the active integrated sound box of AC/DC of the present utility model, described direct current connector is USB connector commonly used, and direct voltage is+5V.
Beneficial effect: the active integrated sound box of AC/DC of the present utility model, owing to having adopted above-mentioned technical scheme, therefore namely can input dc power work, directly access alternating current work commonly used, be more convenient for user's use, avoid producing the more situation of winding displacement because use transformer, and when using direct current to power, because used the supply power mode of the 5V of USB interface commonly used, therefore in use have good interchangeability, have more that universal whom is convenient to is to obtain the power supply source everywhere.
Below in conjunction with accompanying drawing, the utility model is described in detail, so that above-mentioned advantage of the present utility model is clearer and more definite.
Description of drawings
Fig. 1, be the schematic perspective view of a kind of embodiment of the utility model;
Fig. 2, be the schematic block circuit diagram of a kind of embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done further detailed description.
please refer to illustrated in figures 1 and 2, structural representation for a kind of preferred embodiment of the active integrated sound box of AC/DC of the present utility model, in the middle of this preferred embodiment, the active integrated sound box 1 of this AC/DC, casing of loudspeaker box, be located at the loudspeaker unit in casing of loudspeaker box, the power amplifier module that is connected with loudspeaker unit, the power module that is connected with power amplifier module, and the display that is connected with power module, the active integrated sound box of this AC/DC with power module include DC circuit and alternating current circuit, this described DC circuit is connected with power amplifier module with alternating current circuit and is connected, on described alternating current circuit and casing of loudspeaker box, the terminal of set interchange input connector 2 is connected, the terminal of the direct current connector 3 on described DC circuit and casing of loudspeaker box is connected, described DC circuit and alternating current circuit are separate circuit.
Usually, the direct current connector of audio amplifier of the present utility model has good versatility for USB connector commonly used, direct voltage is+the USB voltage of 5V.
Claims (3)
1. active integrated sound box of AC/DC, the active integrated sound box of this AC/DC comprises casing of loudspeaker box, be located at the loudspeaker unit in casing of loudspeaker box, the power amplifier module that is connected with loudspeaker unit, the power module that is connected with power amplifier module, and the display that is connected with power module, it is characterized in that: the active integrated sound box of this AC/DC with power module include DC circuit and alternating current circuit, this described DC circuit is connected with power amplifier module with alternating current circuit and is connected, on described alternating current circuit and casing of loudspeaker box, the terminal of set interchange input connector is connected, the terminal of the direct current connector on described DC circuit and casing of loudspeaker box is connected.
2. the active integrated sound box of AC/DC according to claim 1, it is characterized in that: described DC circuit and alternating current circuit are separate circuit.
3. the active integrated sound box of AC/DC according to claim 1 is characterized in that: described direct current connector is USB connector commonly used, and direct voltage is+5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220642457 CN203027412U (en) | 2012-11-29 | 2012-11-29 | Alternating-current and direct-current double-purpose active integrated loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220642457 CN203027412U (en) | 2012-11-29 | 2012-11-29 | Alternating-current and direct-current double-purpose active integrated loudspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203027412U true CN203027412U (en) | 2013-06-26 |
Family
ID=48651353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220642457 Expired - Lifetime CN203027412U (en) | 2012-11-29 | 2012-11-29 | Alternating-current and direct-current double-purpose active integrated loudspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203027412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072522A (en) * | 2015-08-28 | 2015-11-18 | 北京联科中诺科技有限公司 | Alternating current-direct current mobile active speaker |
-
2012
- 2012-11-29 CN CN 201220642457 patent/CN203027412U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072522A (en) * | 2015-08-28 | 2015-11-18 | 北京联科中诺科技有限公司 | Alternating current-direct current mobile active speaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |