CN205029841U - A wireless power amplifier for background music - Google Patents
A wireless power amplifier for background music Download PDFInfo
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- CN205029841U CN205029841U CN201520787122.XU CN201520787122U CN205029841U CN 205029841 U CN205029841 U CN 205029841U CN 201520787122 U CN201520787122 U CN 201520787122U CN 205029841 U CN205029841 U CN 205029841U
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Abstract
The utility model provides a wireless power amplifier for background music, including host computer and interface, wherein set up including main control chip in the host computer, the audio decoder ware, wireless audio frequency receiving module, frequency modulation AMFM radio module, the bluetooth adapter, bluetooth audio frequency module, the sound source switches the module, the audio power amplifier module, the power modul, the interface includes card reader interface, the USB interface, the AMFM antennal interface, audio frequency input interface, the audio output interface, the net twine interface, the control panel interface, wherein the interface all sets up on the host computer, its advantage does, through having realized wireless transmission and control multiple audio signal's input and output, the power amplifier is direct moreover export the speaker with audio signal and electric energy on, need not lay power supply circuit for the speaker alone when making the background music system installation, solved the inconvenient problem of installation, have multiple connection control mode, function abundant, connect portably, the simple to operate characteristics, can be applicable to multiple background music system's wireless application.
Description
Technical field
The utility model relates to ANTENN AUDIO play-back technology field, especially a kind of wireless power amplifier for background music.
Background technology
In recent years, the development of intelligent artifact, this word of Smart Home is also exposed in the visual field of the public again and again, mentions Smart Home, in fact its very many-sided thing of comprising, as intelligent lighting, digital household appliances, intelligence finishing and background sound system etc.; Along with the raising that people require living environment, they focus on the construction of environment more, and therefore background music system has wide market prospects; Relevant expert just thinks, background music system as whole kitchen, integral bathroom, will soon spread to the finishing necessity that huge numbers of families become fashion crowd.Background music system, refer to and to be connected up by specialty, sound source signals accessed each room and anyly need the place of background music system (comprising bathroom, kitchen and balcony), by the background music dedicated tone acoustic system that the corresponding control panel in each room independently controls in room, allow each room can hear beautiful background music, control panel can both be installed separately in each room simultaneously, can independent control switch, volume and audio.
Power amplifier is commonly called as again as " sound amplifier ", equipment the most basic in sound system, its task is that the ultra-weak electronic signal from signal source is carried out amplifying to drive loud speaker to sound, and in background music system, power amplifier plays vital effect as main parts; Traditional background music system is by wired connection, and this just needs the good tone frequency channel wire of cloth in a pre-installation and power line, preferably ready before finishing, just needs rewiring to burst at the seams groove if the later stage installs; The source of sound of traditional background music system is often more single in addition can not meet the diversified broadcasting of user and demand for control, along with the development and progress of wireless technology, wireless background music system also becomes trend, thisly pass through wireless connections, the special equipment of controlled in wireless and wireless transmission can either make the easier for installation of background music system, various tone sources can be provided again to access and control mode, there is very high market value.
Summary of the invention
The utility model is for the problems referred to above, for overcoming deficiency of the prior art, a kind of wireless power amplifier for background music is provided, this equipment can provide multiple wireless and wireline audio access way and control mode simultaneously, decrease fluting cabling unnecessary in installation process and the trouble of wiring, make the installation of background music system and use convenient.
A kind of wireless power amplifier for background music described in the utility model, comprises main frame and interface, wherein arranges in main frame and comprises main control chip, audio decoder, wireless audio reception module, frequency modulation AM/FM radio module, Bluetooth adapter, Bluetooth audio frequency module, audio source switch module, audio frequency power amplifier module, power module, interface comprises card reader interface, USB interface, AM/FM antennal interface, audio input interface, audio output interface, cable interface, control board interface, wherein interface is all arranged on main frame, it is characterized in that main control chip connects respectively and controls audio decoder, wireless audio reception module, frequency modulation AM/FM radio module, Bluetooth audio frequency module, audio source switch module, audio frequency power amplifier module, power module and cable interface and control board interface, card reader interface is connected with audio decoder with USB interface, AM/FM antennal interface is connected with frequency modulation AM/FM radio module, audio input interface is connected with audio source switch module, Bluetooth adapter and Bluetooth audio frequency model calling, audio frequency power amplifier module is connected with audio source switch module, power module is connected with audio frequency power amplifier module, audio output interface is connected with audio frequency power amplifier module, described power module provides power supply to export for audio frequency power amplifier module and enables audio output interface output audio signal and power supply, the input of described power module access 220V power supply.
Further, described audio input interface is one or more in AUX interface, TRS interface, RCA interface, XLR interface, AES/EBU interface, S/PDIF interface, RCA coaxial interface, BNC coaxial interface, optical fiber interface.
Further, described audio decoder is the audio decoder chip supporting one or more audio files of resolving in CDA form, WAV form, MP3 format, WMA form, RA form, midi format, OGG form, APE form, FLAC form, ACC form.
Further, the specification of described Bluetooth adapter is one or more in 2.0+EDR version, 2.1+EDR version, 3.0+HS version, 4.0 versions, 4.1 versions, 4.2 versions.
Further, described wireless audio reception module is 2.4GHz wireless digital audio chip nRF24Z1.
Further, described card reader interface comprises one or more in SD card slot, TF card slot, M2 card slot and CF card slot.
Further, described audio frequency power amplifier module adopts D-type audio power amplifier circuit structure.
Further, described AM/FM antennal interface is provided with antenna.
Further, the external at least one group of loud speaker of described audio output interface.
A kind of wireless power amplifier for background music described in the utility model, its advantage is, by wireless transmission and control technology are applied in power amplifier, provide not only the access way of multiple ANTENN AUDIO, and power amplifier can be made directly to output on loud speaker by audio signal and electric energy, need not separately for power circuit be laid by loud speaker when background music system is installed, solve the problem of installing inconvenience, wireless power amplifier of the present utility model provides multiple control modes simultaneously, control panel can be passed through, remote controller, mobile phone, computer carries out wired or wirelessly carrying out connection control, further enhancing the functional of product, the audio transmission of power amplifier inside adopts digital I2S bus transfer, the tonequality achieving high-fidelity is play, power amplifier module adopts digital D class power amplifier, whole system is energy-conserving and environment-protective more, the utility model has multiple connection control mode, feature richness, connection is easy, easy for installation, acoustical quality is good feature, can be applicable to the wireless application of various kinds of background music system.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail, wherein:
Fig. 1 is the structure chart of a kind of wireless power amplifier for background music of the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with execution mode and accompanying drawing, the utility model is described in further details.At this, exemplary embodiment of the present utility model and illustrating for explaining the utility model, but not as to restriction of the present utility model.
As shown in Figure 1, a kind of wireless power amplifier for background music described in the utility model, comprises main frame and interface, wherein arranges in main frame and comprises main control chip, audio decoder, wireless audio reception module, frequency modulation AM/FM radio module, Bluetooth adapter, Bluetooth audio frequency module, audio source switch module, audio frequency power amplifier module, power module, interface comprises card reader interface, USB interface, AM/FM antennal interface, audio input interface, audio output interface, cable interface, control board interface, wherein interface is all arranged on main frame, it is characterized in that main control chip connects respectively and controls audio decoder, wireless audio reception module, frequency modulation AM/FM radio module, Bluetooth audio frequency module, audio source switch module, audio frequency power amplifier module, power module and cable interface and control board interface, card reader interface is connected with audio decoder with USB interface, AM/FM antennal interface is connected with frequency modulation AM/FM radio module, audio input interface is connected with audio source switch module, Bluetooth adapter and Bluetooth audio frequency model calling, audio frequency power amplifier module is connected with audio source switch module, power module is connected with audio frequency power amplifier module, audio output interface is connected with audio frequency power amplifier module, described power module provides power supply to export for audio frequency power amplifier module and enables audio output interface output audio signal and power supply, the input of described power module access 220V power supply.
Embodiment,
A kind of wireless power amplifier for background music as shown in the figure, comprises main frame and interface, wherein arranges in main frame and comprises main control chip, audio decoder, wireless audio reception module, frequency modulation AM/FM radio module, Bluetooth adapter, Bluetooth audio frequency module, audio source switch module, audio frequency power amplifier module, power module, interface comprises card reader interface, USB interface, AM/FM antennal interface, audio input interface, audio output interface, cable interface, control board interface, wherein interface is all arranged on main frame, it is characterized in that main control chip connects respectively and controls audio decoder, wireless audio reception module, frequency modulation AM/FM radio module, Bluetooth audio frequency module, audio source switch module, audio frequency power amplifier module, power module and cable interface and control board interface, card reader interface is connected with audio decoder with USB interface, AM/FM antennal interface is connected with frequency modulation AM/FM radio module, audio input interface is connected with audio source switch module, Bluetooth adapter and Bluetooth audio frequency model calling, audio frequency power amplifier module is connected with audio source switch module, power module is connected with audio frequency power amplifier module, audio output interface is connected with audio frequency power amplifier module, described power module provides power supply to export for audio frequency power amplifier module and enables audio output interface output audio signal and power supply, the input of described power module access 220V power supply, wherein said audio input interface is one or more in AUX interface, TRS interface, RCA interface, XLR interface, AES/EBU interface, S/PDIF interface, RCA coaxial interface, BNC coaxial interface, optical fiber interface, audio decoder is the audio decoder chip supporting one or more audio files of resolving in CDA form, WAV form, MP3 format, WMA form, RA form, midi format, OGG form, APE form, FLAC form, ACC form, the specification of described Bluetooth adapter is one or more in 2.0+EDR version, 2.1+EDR version, 3.0+HS version, 4.0 versions, 4.1 versions, 4.2 versions, described wireless audio reception module is 2.4GHz wireless digital audio chip nRF24Z1, described card reader interface comprise in SD card slot, TF card slot, M2 card slot and CF card slot one or more, described audio frequency power amplifier module adopts D-type audio power amplifier circuit structure, described AM/FM antennal interface is provided with antenna, described audio output interface is by the external at least one group of loud speaker of cable, and described loud speaker is one or more in ceiling type loudspeaker, wall-mounted speakers, embedded loud speaker.
During use, switch on power, power module is power amplifier host supplying power, user is by controlling power amplifier by devices such as control panel, remote controller, mobile phone, computers, when card reader interface or USB interface have storage card or USB flash disk to insert, audio decoder active scan audio file wherein, when wireless audio reception module receives audio file, audio file is sent to audio decoder, release sound by loud speaker after selecting broadcasting, audio interface incoming interface, AM/FM antennal interface, Bluetooth adapter can be played back by loud speaker when receiving audio signal; Wireless power amplifier of the present utility model can realize controlling the input and output simultaneously of multichannel source of sound, can be applied to several scenes and environment.
A kind of wireless power amplifier for background music described in the utility model, its advantage is, by by the input and output of multiple audio signal of wireless transmission and control realization, and audio signal and electric energy directly output on loud speaker by power amplifier, need not separately for power circuit be laid by loud speaker when background music system is installed, solve the problem of installing inconvenience, wireless power amplifier of the present utility model provides multiple control modes simultaneously, control panel can be passed through, remote controller, mobile phone, computer carries out wired or wirelessly carrying out connection control, further enhancing the functional of product, power amplifier can realize the input and output simultaneously of multichannel source of sound and control, several scenes and environment can be applied to, the audio transmission of power amplifier inside adopts digital I2S bus transfer, and the tonequality achieving high-fidelity is play, and power amplifier module adopts digital D class power amplifier, and whole system is energy-conserving and environment-protective more, the utility model has multiple connection control mode, feature richness, connection is easy, easy for installation, acoustical quality is good feature, can be applicable to the wireless application of various kinds of background music system.
Above-described embodiment; further detailed description has been carried out to object of the present invention, technical scheme and beneficial effect; be understood that; the above is the specific embodiment of the present invention, the protection range be not intended to limit the present invention, within the spirit and principles in the present invention all; any amendment of making; equivalent replacement, improves, is all included in protection scope of the present invention.
Claims (9)
1. for a wireless power amplifier for background music, comprise main frame and interface, wherein arrange in main frame and comprise main control chip, audio decoder, wireless audio reception module, frequency modulation AM/FM radio module, Bluetooth adapter, Bluetooth audio frequency module, audio source switch module, audio frequency power amplifier module, power module, interface comprises card reader interface, USB interface, AM/FM antennal interface, audio input interface, audio output interface, cable interface, control board interface, wherein interface is all arranged on main frame, it is characterized in that main control chip connects respectively and controls audio decoder, wireless audio reception module, frequency modulation AM/FM radio module, Bluetooth audio frequency module, audio source switch module, audio frequency power amplifier module, power module and cable interface and control board interface, card reader interface is connected with audio decoder with USB interface, AM/FM antennal interface is connected with frequency modulation AM/FM radio module, audio input interface is connected with audio source switch module, Bluetooth adapter and Bluetooth audio frequency model calling, audio frequency power amplifier module is connected with audio source switch module, power module is connected with audio frequency power amplifier module, audio output interface is connected with audio frequency power amplifier module, described power module provides power supply to export for audio frequency power amplifier module and enables audio output interface output audio signal and power supply, the input of described power module access 220V power supply.
2. a kind of wireless power amplifier for background music as claimed in claim 1, it is characterized in that, described audio input interface is one or more in AUX interface, TRS interface, RCA interface, XLR interface, AES/EBU interface, S/PDIF interface, RCA coaxial interface, BNC coaxial interface, optical fiber interface.
3. a kind of wireless power amplifier for background music as claimed in claim 1, it is characterized in that, described audio decoder is the audio decoder chip supporting one or more audio files of resolving in CDA form, WAV form, MP3 format, WMA form, RA form, midi format, OGG form, APE form, FLAC form, ACC form.
4. a kind of wireless power amplifier for background music as claimed in claim 1, is characterized in that, the specification of described Bluetooth adapter is one or more in 2.0+EDR version, 2.1+EDR version, 3.0+HS version, 4.0 versions, 4.1 versions, 4.2 versions.
5. a kind of wireless power amplifier for background music as claimed in claim 1, it is characterized in that, described wireless audio reception module is 2.4GHz wireless digital audio chip nRF24Z1.
6. a kind of wireless power amplifier for background music as claimed in claim 1, is characterized in that, described card reader interface comprise in SD card slot, TF card slot, M2 card slot and CF card slot one or more.
7. a kind of wireless power amplifier for background music as claimed in claim 1, is characterized in that, described audio frequency power amplifier module adopts D-type audio power amplifier circuit structure.
8. a kind of wireless power amplifier for background music as claimed in claim 1, is characterized in that, described AM/FM antennal interface is provided with antenna.
9. a kind of wireless power amplifier for background music as claimed in claim 1, is characterized in that, the external at least one group of loud speaker of described audio output interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520787122.XU CN205029841U (en) | 2015-10-13 | 2015-10-13 | A wireless power amplifier for background music |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520787122.XU CN205029841U (en) | 2015-10-13 | 2015-10-13 | A wireless power amplifier for background music |
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| CN205029841U true CN205029841U (en) | 2016-02-10 |
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| CN201520787122.XU Active CN205029841U (en) | 2015-10-13 | 2015-10-13 | A wireless power amplifier for background music |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257622A (en) * | 2018-03-06 | 2018-07-06 | 宁波向往智能科技有限公司 | A kind of charging management system of background music host |
| CN111713935A (en) * | 2020-07-24 | 2020-09-29 | 金华嬛婷生物科技有限公司 | Teenagers' intelligence learns pillow |
-
2015
- 2015-10-13 CN CN201520787122.XU patent/CN205029841U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257622A (en) * | 2018-03-06 | 2018-07-06 | 宁波向往智能科技有限公司 | A kind of charging management system of background music host |
| CN108257622B (en) * | 2018-03-06 | 2024-05-24 | 宁波向往智能科技有限公司 | Charging management system of background music host |
| CN111713935A (en) * | 2020-07-24 | 2020-09-29 | 金华嬛婷生物科技有限公司 | Teenagers' intelligence learns pillow |
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