CN2755891Y - Portable loudspeaker device - Google Patents
Portable loudspeaker device Download PDFInfo
- Publication number
- CN2755891Y CN2755891Y CNU2004200885670U CN200420088567U CN2755891Y CN 2755891 Y CN2755891 Y CN 2755891Y CN U2004200885670 U CNU2004200885670 U CN U2004200885670U CN 200420088567 U CN200420088567 U CN 200420088567U CN 2755891 Y CN2755891 Y CN 2755891Y
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- audio
- mobile extension
- main frame
- control circuit
- power supply
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Abstract
The utility model discloses a portable loudspeaker device, which is used within a specific range. The portable loudspeaker device is mainly composed of a mobile extension machine and a host machine, wherein the mobile extension machine is provided with a receiving device, a trumpet and a power supply, wherein the trumpet is connected with the receiving device, and the power supply is connected with the trumpet and the receiving device; the host machine is provided with an audio control circuit, an emission device and an AC power supply, wherein the audio control circuit is connected with the emission device and controls emitted audio signals and emits the audio signals to the mobile extension machine through the emission device; besides, the host machine is also provided with an audio interface which is connected with the audio control circuit and the audio signals are input through the audio interface and processed through the audio control circuit and emitted through the emission device. The mobile extension machine in the utility model can be multiple in number and can be respectively placed in different indoor rooms or placed outdoors, and the utility model can be made into different shapes according to the needs of different environments. The utility model is suitable for voice source play of families or commercial places, broadcasting, etc.
Description
Technical field
The utility model relates to stereo set, a kind of portable audio-device that uses in particular range of saying so exactly.
Background technology
In daily life or commercial the application, stereo set is commonly used to playing back music, plays the audio document of recording in advance, perhaps broadcast listening etc.At present, common stereo set mainly contains two classes on the market: a class is small-sized, be suitable for the individual or use among a small circle, the stereo set that source of sound playing device (as: cassette tape player, CD player, MP3 player etc.) and loudspeaker are integrated in one; Second class is relatively large, source of sound playing device and loudspeaker branch is arranged, and uses the sound system of equipment such as power amplification, such as the employed sound system of public place of entertainment etc.
The benefit of the acoustics that source of sound playing device and loudspeaker branch are arranged is that loudspeaker can be placed on a plurality of different places, thereby has realized that a source of sound plays, and the effect that a plurality of different spaces receive is such as the broadcast system in the campus etc.; Perhaps, utilize the acoustic resonance principle that echoes, a plurality of loudspeaker are arranged in a diverse location in the room, realize the surround sound effect, such as home theater sound equipment systems a lot of on the market now etc.These the two kinds common features with the acoustics that source of sound playing device and loudspeaker branch are arranged are: adopt the wired connection mode, need to use cable that loudspeaker are connected with the source of sound playing device; When different spaces is placed loudspeaker, must be in advance that cable arrangements is appropriate, each loudspeaker is connected respectively on the source of sound playing device.When this acoustics is used in the family,, finish, just be difficult to change again the layout of loudspeaker in case will connect the cable arrangements of loudspeaker and source of sound playing device such as above-mentioned " household audio and video system "; Be applied to business activity, when in exhibition, using, need arrange cable in advance, do not have portability, use and carry all not too convenient.
Summary of the invention
The purpose of this utility model provides a kind of portable audio-device, this device solves when loudspeaker and source of sound playing device branch are arranged, arbitrarily change the problem of loudspeaker placement location inconvenience.
Another purpose of the present utility model provides a kind of portable audio-device, and this device is easy to carry, and use capable of being combined also can independently be provided with, and it is very convenient to broadcast and get in touch with in certain scope.
The utility model is achieved in that
A kind of portable audio-device is made of mobile extension and main frame; Mobile extension is provided with receiving system, loudspeaker and power supply; Described loudspeaker are connected on the described receiving system, and described power supply connects described loudspeaker and receiving system; Main frame is provided with audio control circuit, emitter and power supply; Described audio control circuit connects described emitter, controls the audio signal that is sent, and audio signal is transmitted to described mobile extension by described emitter; Described main frame also is provided with audio interface, and audio interface is connected in the described audio control circuit, and audio signal is by described audio interface input, handles through described audio control circuit then, is sent by described emitter again.
Described main frame is provided with the AC/DC change-over circuit.
At least be provided with a pedestal on the described main frame.
Described acoustics is provided with a mobile extension at least, and mobile extension can be inserted in respectively in the described pedestal.
Described pedestal is provided with the interface of charging circuit, and when described mobile extension was plugged on the described pedestal, the power supply of described mobile extension was in parallel with described charging circuit.
The power supply of described mobile extension can be a common batteries, also can be rechargeable battery.
Described mobile extension also is provided with the broadcast receiver receiving circuit.Described mobile extension is provided with control button, under the control of described control button, the audio signal that receives described main frame emission can be set, receive radio station broadcast signal or carry out volume control.
Described mobile extension can cooperate the needs of varying environment to make various profiles, is provided with waterproof sealing layer between top, bottom and the loudspeaker of described mobile extension.
Described audio interface is provided with the audio interface circuit of simulation and digital signal conversion, connects audiogenic devices such as CD Player, MP3 player, broadcast receiver, recorder, phonograph, VCD, DVD, video tape recorder, television set, radio telephone, telephone and intercom.
The utility model adopts above-mentioned device, can utilize a light and handy and easy system (main frame and mobile extension), in an effective spatial dimension, realizes an audio signal emission, the effect that a plurality of different spaces receive; Perhaps, each single mobile extension can independently make and be used for receiving station broadcast.Move use and very convenient to carry, have good portability.
Description of drawings
Fig. 1 is a structural representation of the present utility model,
Fig. 2 is a user mode schematic diagram of the present utility model,
Fig. 3 is a side structure schematic diagram of the present utility model,
Fig. 4 is the structured flowchart of the utility model main frame.
Embodiment
Below, in conjunction with the accompanying drawings and embodiments portable audio-device of the present utility model is further described.
As shown in Figure 1, portable audio-device of the present utility model is made of main frame 1 and 2 two parts of mobile extension, main frame 1 is connected with MP3 player 3, in fact, main frame 1 can pass through any one in the equipment such as audio interface (as shown in Figure 4) connection broadcast receiver, recorder, microphone, phonograph, CD player, VCD, DVD, video tape recorder, television set, radio telephone, telephone and intercom.
As shown in Figure 4, the primary structure of main frame 1 comprises: power supply, AC/DC conversion, audio control circuit, emitter, audio interface, digital analogue signal change-over circuit, charging circuit and charging inlet, their annexation is: power supply provides power, is connected in audio control circuit by the AC/DC conversion; Emitter is connected in audio control circuit, audio signals under its control; Audio interface is to be provided with separately, and it is connected in the audio control circuit by the digital analogue signal change-over circuit, can make the compatible various source of sound input equipments of portable audio-device of the present utility model.
What need supplementary notes is: the emitter of the main frame of portable audio-device of the present utility model and the receiving system of mobile extension are respectively to be made of radiating circuit and antenna, receiving circuit and antenna, use civilian radio communication frequency, this is a prior art, no longer does detailed description in enforcement of the present utility model.
1 in main frame is provided with an emitter, and at its sidepiece antenna 4 is set, to carry out radio transmission.
As shown in Figure 2, mobile extension 2, can be provided with a plurality of, to satisfy the transmission demand of a plurality of transfer points, as shown in Figure 1, and in conjunction with Fig. 3, main frame 1 has a plurality of pedestals, and to place mobile extension 2, it is outside projection and the structure that forms the platform shape for a pedestal, at this moment, audio control circuit is connected with charging circuit (as shown in Figure 4), and its charging inlet is arranged in the pedestal, and promptly the centre position of its pedestal is provided with the power supply contact head, the power supply contact head can be connected with the supply socket of mobile extension 2 bottoms, can mobile extension 2 being charged; Can guarantee that mobile extension 2 can use at any time.
Above-mentioned power supply can adopt rechargeable battery, also can adopt common batteries.
In conjunction with Fig. 4, in the audio control circuit of main frame 1, also be provided with charging circuit, charging circuit charges to mobile extension by charging inlet, has supply socket from the bottom of structure mobile extension.
Described mobile extension 2 is provided with waterproof sealing layer between pedestal of its underpart and the loudspeaker, and supply socket place of pedestal also is provided with waterproof sealing layer, to form tight sealing.
Shown in Figure 3, above-mentioned mobile extension 2, its surface also can be provided with control button 6, under the control of control circuit, Frequency Adjustable receiving circuit (the Frequency Adjustable receiving circuit is connected between antenna and the control circuit) can be set, with the broadcast singal in the audio signal that receives the main frame emission or radio station or carry out volume control etc.
The mobile extension 2 that the utility model is above-mentioned can have a plurality ofly, can be positioned over different chamber's inner room or outdoor, and can cooperate the needs of varying environment to make various profiles.Be applicable to source of sound broadcast, broadcasting of family or commercial location etc.
Claims (10)
1, a kind of portable audio-device is characterized in that described device mainly is made of mobile extension and main frame;
Described mobile extension is provided with receiving system, loudspeaker and power supply; Described loudspeaker are connected on the described receiving system, and described power supply connects described loudspeaker and receiving system;
Described main frame is provided with audio control circuit, emitter and AC power; Described audio control circuit connects described emitter, controls the audio signal that is sent, and audio signal is transmitted to described mobile extension by described emitter; Described main frame also is provided with audio interface, and audio interface is connected in the described audio control circuit, and audio signal is by described audio interface input, handles through described audio control circuit then, is sent by described emitter again.
2, portable audio-device according to claim 1 is characterized in that, described main frame is provided with the AC/DC change-over circuit.
3, portable audio-device according to claim 2 is characterized in that, is provided with a pedestal on the described main frame at least.
4, portable audio-device according to claim 3 is characterized in that, described device is provided with a described mobile extension at least, and described mobile extension can be inserted in respectively in the described pedestal.
5, portable audio-device according to claim 4, it is characterized in that, described pedestal is provided with the interface of described AC/DC change-over circuit, and when described mobile extension was plugged on the described pedestal, the power supply of described mobile extension was in parallel with described AC/DC change-over circuit.
6, portable audio-device according to claim 1 is characterized in that, the power supply of described mobile extension can be a common batteries, also can be rechargeable battery.
7, portable audio-device according to claim 1 is characterized in that, described mobile extension also is provided with the broadcast receiver receiving circuit.
8, portable audio-device according to claim 7, it is characterized in that, described mobile extension is provided with control button, under the control of described control button, the audio signal that receives described main frame emission can be set, receive radio station broadcast signal or carry out volume control.
9, portable audio-device according to claim 1 is characterized in that, is provided with waterproof sealing layer between top, bottom and the loudspeaker of described mobile extension.
10, portable audio-device according to claim 1 is characterized in that, described audio interface is provided with the audio interface circuit of simulation and digital signal conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200885670U CN2755891Y (en) | 2004-09-24 | 2004-09-24 | Portable loudspeaker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200885670U CN2755891Y (en) | 2004-09-24 | 2004-09-24 | Portable loudspeaker device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2755891Y true CN2755891Y (en) | 2006-02-01 |
Family
ID=35929517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200885670U Expired - Fee Related CN2755891Y (en) | 2004-09-24 | 2004-09-24 | Portable loudspeaker device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2755891Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104506976A (en) * | 2014-12-03 | 2015-04-08 | 夏云美 | A split sound for a home theatre |
-
2004
- 2004-09-24 CN CNU2004200885670U patent/CN2755891Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104506976A (en) * | 2014-12-03 | 2015-04-08 | 夏云美 | A split sound for a home theatre |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |