CN203167270U - A wireless audio amplifying device and a wireless audio amplifying system of an all-in-one machine - Google Patents
A wireless audio amplifying device and a wireless audio amplifying system of an all-in-one machine Download PDFInfo
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- CN203167270U CN203167270U CN 201320165228 CN201320165228U CN203167270U CN 203167270 U CN203167270 U CN 203167270U CN 201320165228 CN201320165228 CN 201320165228 CN 201320165228 U CN201320165228 U CN 201320165228U CN 203167270 U CN203167270 U CN 203167270U
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- bluetooth
- public address
- audio
- wireless public
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Abstract
The utility model discloses a wireless audio amplifying device and a wireless audio amplifying system of an all-in-one machine. The wireless audio amplifying device is mainly composed of a signal logic board. The signal logic board comprises a Bluetooth module. The Bluetooth module is connected with a main board chip on the signal logic board and integrates an audio input circuit, an audio output circuit, and a Bluetooth transmission chip. The audio input circuit receives an analog audio signal outputted by the main board chip and then transmits the analog audio signal to the Bluetooth transmission chip. The Bluetooth transmission chip converts a received Bluetooth audio signal into an analog audio signal and then transmits the analog audio signal to the main board chip through the audio output circuit. The wireless audio amplifying device of an all-in-one machine achieves stereo transmission and stereo reception so as to achieve functions of transmission and reception.
Description
Technical field
The utility model relates to the ANTENN AUDIO technology, particularly relates to wireless public address equipment and the system of all-in-one.
Background technology
Existing all-in-one always must realize that if at bigger classroom or meeting room, this functional requirement can make wiring become more loaded down with trivial details by wiring when using external voice box audio plays or other external equipments input audio frequency to play to all-in-one.
The output that the shortcoming of prior art just is the all-in-one audio frequency need realize by connection cable with the audio frequency that receives external device, uses the restriction that can be subjected to equipment installation site and length of cable, and is very inconvenient.
The utility model content
Based on this, be necessary at the problems referred to above, a kind of wireless public address equipment and system of all-in-one is provided, can make all-in-one realize the function of wireless two-way transmission stereo audio by bluetooth.
A kind of wireless public address equipment of all-in-one, this equipment mainly is made up of the signal logic plate, wherein, comprising:
The bluetooth module that links to each other with mainboard chip on the described signal logic signal plate, this bluetooth module integrated audio input circuit and audio output circuit, and Bluetooth transmission chip;
Described audio frequency input circuit receives the simulated audio signal of described mainboard chip output, sends to described Bluetooth transmission chip then; Described Bluetooth transmission chip is converted into simulated audio signal with the Bluetooth audio frequency signal that receives, and sends to described mainboard chip by described audio output circuit again.
The wireless public address equipment of above-mentioned all-in-one can realize sending stereo audio, can realize receiving stereo audio again, accomplishes transceiver.
Among embodiment, also comprise therein: with the loudspeaker player that described mainboard chip links to each other, described mainboard chip drives described loudspeaker player plays audio frequency according to the analogue audio frequency that receives.
Implement present embodiment, the Bluetooth audio frequency signal that bluetooth module can be received plays back.
Among embodiment, described bluetooth module comprises therein:
The dual-mode antenna group that links to each other with described Bluetooth transmission chip is used for sending the simulated audio signal that described audio frequency input circuit receives, or is used for receiving the Bluetooth audio frequency signal.
Implement present embodiment, can common antenna, save cost, improve the utilance of antenna.
Among embodiment, described dual-mode antenna group is made up of the 2.4G antenna therein.
Implement present embodiment, can be suitable for all Bluetooth audio frequency signals.
Correspondingly, a kind of wireless public address system of all-in-one comprises:
Foregoing wireless public address equipment, and at least one external Bluetooth audio frequency transmitting apparatus.
Implement present embodiment, the scope of application that can the extended wireless public address equipment strengthens flexibility.Described external Bluetooth audio frequency transmitting apparatus comprises the electronic equipment with Bluetooth function, for example bluetooth cellular phone.
Correspondingly, a kind of wireless public address system of all-in-one comprises:
Foregoing wireless public address equipment, and at least one external Baffle Box of Bluetooth.
Implement present embodiment, can carry out amplifying of multi-angle, multi-faceted, full volume by outside audio amplifier.
Description of drawings
Fig. 1 is the schematic diagram of the wireless public address equipment of the utility model all-in-one;
Fig. 2 is the application schematic diagram of the wireless public address system of the utility model all-in-one.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the schematic diagram of the wireless public address equipment of the utility model all-in-one, and this equipment mainly is made up of the signal logic plate, wherein, comprising:
The bluetooth module that links to each other with mainboard chip on the described signal logic signal plate, this bluetooth module integrated audio input circuit and audio output circuit, and Bluetooth transmission chip;
Described audio frequency input circuit receives the simulated audio signal of described mainboard chip output, sends to described Bluetooth transmission chip then; Described Bluetooth transmission chip is converted into simulated audio signal with the Bluetooth audio frequency signal that receives, and sends to described mainboard chip by described audio output circuit again.
The shortcoming of prior art is that the output of all-in-one audio frequency need realize by connection cable with the audio frequency that receives external device, uses the restriction that can be subjected to equipment installation site and length of cable, and is very inconvenient.The scheme of existing wireless blue tooth audio frequency also can only realize single transmission or single reception stereo audio, and can not accomplish transceiver.
The wireless public address equipment of above-mentioned all-in-one imports the ANTENN AUDIO technology to all-in-one, adopts the bluetooth module of supporting the audio stereo transceiver, can realize sending stereo audio, can realize receiving stereo audio again, accomplishes transceiver.
Among embodiment, also comprise therein: with the loudspeaker player that described mainboard chip links to each other, described mainboard chip drives described loudspeaker player plays audio frequency according to the analogue audio frequency that receives.
Implement present embodiment, the Bluetooth audio frequency signal that bluetooth module can be received plays back.
Among embodiment, described bluetooth module comprises therein:
The dual-mode antenna group that links to each other with described Bluetooth transmission chip is used for sending the simulated audio signal that described audio frequency input circuit receives, or is used for receiving the Bluetooth audio frequency signal.
Implement present embodiment, can common antenna, save cost, improve the utilance of antenna.
Among embodiment, described dual-mode antenna group is made up of the 2.4G antenna therein.
Implement present embodiment, can be suitable for all Bluetooth audio frequency signals.
Fig. 2 is the application schematic diagram of the wireless public address system of the utility model all-in-one.
Correspondingly, a kind of wireless public address system of all-in-one comprises:
Foregoing wireless public address equipment, and at least one external Bluetooth audio frequency transmitting apparatus.
Implement present embodiment, the scope of application that can the extended wireless public address equipment strengthens flexibility.Described external Bluetooth audio frequency transmitting apparatus comprises the electronic equipment with Bluetooth function, for example bluetooth cellular phone.
Described wireless public address equipment also comprises:
The reception pairing unit that links to each other with described Bluetooth transmission chip is used at the two or more external Bluetooth audio frequency transmitting apparatus of peripheral hardware, selects one of them to receive.
When needs allow all-in-one use as the audio amplifier that amplifies, after external bluetooth master (as mobile phone etc.) and the all-in-one successful matching, when external Bluetooth audio frequency transmitting apparatus is selected by the bluetooth audio plays, the 2.4G antenna receives the Bluetooth audio frequency signal and pass in the Bluetooth transmission chip on the all-in-one, the Bluetooth transmission chip is converted into simulated audio signal with this signal, be sent to the audio input port of logic mainboard chip then from the bluetooth module circuit of output terminal, logic mainboard chip can drive the audio frequency that the built-in loudspeaker of all-in-one are play external Bluetooth audio frequency transmitting apparatus according to the analogue audio frequency that receives.
Correspondingly, a kind of wireless public address system of all-in-one comprises:
Foregoing wireless public address equipment, and at least one external Baffle Box of Bluetooth.
Implement present embodiment, can carry out amplifying of multi-angle, multi-faceted, full volume by outside audio amplifier.
Described wireless public address equipment also comprises:
The audio amplifier pairing unit that links to each other with described Bluetooth transmission chip is used at the two or more external Baffle Box of Bluetooth of peripheral hardware, selects wherein one or more to send.
When needs with external Baffle Box of Bluetooth during as public address equipment, after all-in-one and the Baffle Box of Bluetooth pairing, the simulated audio signal of mainboard chip output is input to the inlet circuit of bluetooth module, inlet circuit is given the Bluetooth transmission chip with this audio signal transmission, the Bluetooth transmission chip is that the Bluetooth audio frequency signal sends to external Baffle Box of Bluetooth by the 2.4G antenna with this signal according to the blue tooth wireless communication protocol translation, and this moment, external Baffle Box of Bluetooth can play back the audio frequency of all-in-one.Preferably, can four external Baffle Box of Bluetooth be set around indoor respectively, carry out amplifying of multi-angle, multi-faceted, full volume.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (8)
1. the wireless public address equipment of an all-in-one, this equipment mainly is made up of the signal logic plate, it is characterized in that, comprising:
The bluetooth module that links to each other with mainboard chip on the described signal logic signal plate, this bluetooth module integrated audio input circuit and audio output circuit, and Bluetooth transmission chip;
Described audio frequency input circuit receives the simulated audio signal of described mainboard chip output, sends to described Bluetooth transmission chip then; Described Bluetooth transmission chip is converted into simulated audio signal with the Bluetooth audio frequency signal that receives, and sends to described mainboard chip by described audio output circuit again.
2. the wireless public address equipment of all-in-one according to claim 1 is characterized in that, also comprises:
With the loudspeaker player that described mainboard chip links to each other, described mainboard chip drives described loudspeaker player plays audio frequency according to the analogue audio frequency that receives.
3. the wireless public address equipment of all-in-one according to claim 1 is characterized in that, described bluetooth module comprises:
The dual-mode antenna group that links to each other with described Bluetooth transmission chip is used for sending the Bluetooth audio frequency signal of described Bluetooth transmission chip conversion, or is used for receiving the Bluetooth audio frequency signal.
4. the wireless public address equipment of all-in-one according to claim 3, it is characterized in that: described dual-mode antenna group is made up of the 2.4G antenna.
5. the wireless public address system of an all-in-one is characterized in that, comprising:
As each described wireless public address equipment of claim 1 to 4, and at least one external Bluetooth audio frequency transmitting apparatus.
6. wireless public address system according to claim 5 is characterized in that, described wireless public address equipment also comprises:
The reception pairing unit that links to each other with described Bluetooth transmission chip is used at the two or more external Bluetooth audio frequency transmitting apparatus of peripheral hardware, selects one of them to receive.
7. the wireless public address system of an all-in-one is characterized in that, comprising:
As each described wireless public address equipment of claim 1 to 4, and at least one external Baffle Box of Bluetooth.
8. wireless public address system according to claim 7 is characterized in that, described wireless public address equipment also comprises:
The audio amplifier pairing unit that links to each other with described Bluetooth transmission chip is used at the two or more external Baffle Box of Bluetooth of peripheral hardware, selects wherein one or more to send.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320165228 CN203167270U (en) | 2013-04-03 | 2013-04-03 | A wireless audio amplifying device and a wireless audio amplifying system of an all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320165228 CN203167270U (en) | 2013-04-03 | 2013-04-03 | A wireless audio amplifying device and a wireless audio amplifying system of an all-in-one machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203167270U true CN203167270U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320165228 Expired - Lifetime CN203167270U (en) | 2013-04-03 | 2013-04-03 | A wireless audio amplifying device and a wireless audio amplifying system of an all-in-one machine |
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| Country | Link |
|---|---|
| CN (1) | CN203167270U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606309A (en) * | 2013-11-29 | 2014-02-26 | 文杰 | Public address system for teaching based on mobile phone Bluetooth function |
| CN105765999A (en) * | 2015-09-23 | 2016-07-13 | 深圳还是威健康科技有限公司 | Voice amplification method and intelligent hand ring |
| CN106941544A (en) * | 2017-05-03 | 2017-07-11 | 张德明 | A kind of mobile terminal Bluetooth audio frequency expansion module |
-
2013
- 2013-04-03 CN CN 201320165228 patent/CN203167270U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606309A (en) * | 2013-11-29 | 2014-02-26 | 文杰 | Public address system for teaching based on mobile phone Bluetooth function |
| CN105765999A (en) * | 2015-09-23 | 2016-07-13 | 深圳还是威健康科技有限公司 | Voice amplification method and intelligent hand ring |
| CN106941544A (en) * | 2017-05-03 | 2017-07-11 | 张德明 | A kind of mobile terminal Bluetooth audio frequency expansion module |
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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: 20130828 |