CN203590427U - Bluetooth acoustic system - Google Patents
Bluetooth acoustic system Download PDFInfo
- Publication number
- CN203590427U CN203590427U CN201320801260.XU CN201320801260U CN203590427U CN 203590427 U CN203590427 U CN 203590427U CN 201320801260 U CN201320801260 U CN 201320801260U CN 203590427 U CN203590427 U CN 203590427U
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- CN
- China
- Prior art keywords
- bluetooth
- sound box
- loudspeaker
- audio
- power amplifier
- 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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- Circuit For Audible Band Transducer (AREA)
Abstract
The utility model discloses a Bluetooth acoustic system. The Bluetooth acoustic system includes a main sound box and a bass sound box; the main sound box comprises a first Bluetooth antenna, a first Bluetooth receiver, a first audio power amplifier, a first loudspeaker, a radio frequency transceiver, a digital signal processor, an audio decoder and a Bluetooth transmitter; the bass sound box comprises a second Bluetooth antenna, a second Bluetooth receiver, a second audio power amplifier and a second loudspeaker which are electrically connected with one another sequentially; the first Bluetooth antenna, the radio frequency transceiver, the first Bluetooth receiver, the digital signal processor, the audio decoder, the first audio power amplifier and the first loudspeaker are electrically connected with one another sequentially; the digital signal processor is electrically connected with the radio frequency transceiver through the Bluetooth transmitter; and the first Bluetooth antenna is in communication connection with the second Bluetooth antenna via a Bluetooth wireless channel. With the Bluetooth acoustic system of the utility model adopted, complex wiring is not required, and the bass sound box can be placed anywhere in a room such that the bass sound box can create an optimal sound field effect according to different structures of the room.
Description
Technical field
The utility model relates to a kind of sound system, is specifically a kind of Bluetooth speaker system that utilizes Bluetooth technology bass to be transferred to woofer from main sound box.
Background technology
Existing Bluetooth speaker system comprises main sound box and woofer, main sound box and woofer receive radio signals by Bluetooth antenna respectively, but woofer is connected on main sound box by tone frequency channel wire, this just needs complicated audio frequency and power-supply wiring, after house finishing, the construction of wiring is very difficult, cost is very high, and need professional to construct, and woofer can only be placed on the position that can be connected to tone frequency channel wire, cannot build best sound field effect according to the different structure in room.
Utility model content
Technical problem to be solved in the utility model is, provides without complicated wiring, and woofer can be placed on the optional position in room to make woofer can build according to the different structure in room the Bluetooth speaker system of best sound field effect.
For solving the problems of the technologies described above, the Bluetooth speaker system that the utility model provides, it comprises main sound box and woofer, main sound box comprises the first Bluetooth antenna, the first Bluetooth Receiver, the first audio frequency power amplifier and the first loudspeaker, woofer comprises the second Bluetooth antenna of electrical connection successively, the second Bluetooth Receiver, the second audio frequency power amplifier and the second loudspeaker, described main sound box also comprises radio-frequency (RF) transceiver, digital signal processor, audio decoder and bluetooth transmitters, the first described Bluetooth antenna, radio-frequency (RF) transceiver, the first Bluetooth Receiver, digital signal processor, audio decoder, the first audio frequency power amplifier and the first loudspeaker are electrically connected successively, described digital signal processor is electrically connected with radio-frequency (RF) transceiver by bluetooth transmitters, the first Bluetooth antenna is connected by blue teeth wireless channel communication with the second Bluetooth antenna.
Adopt after above structure, the utility model compared with prior art, has advantages of following:
The utility model is transferred to woofer by bass from main sound box by Bluetooth technology, like this, just without complicated audio frequency wiring, installation that can be convenient for the room after finishing, without asking professional to construct, installation cost is reduced, and the position of woofer is without the restriction that is subject to tone frequency channel wire position, make woofer to be placed on optimum position according to the different structure in room, build best sound field effect.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Wherein, 1, main sound box; 101, the first Bluetooth antenna; 102, radio-frequency (RF) transceiver; 103, the first Bluetooth Receiver; 104, digital signal processor; 105, audio decoder; 106, the first audio frequency power amplifier; 107, the first loudspeaker; 108, bluetooth transmitters; 2, woofer; 201, the second Bluetooth antenna; 202, the second Bluetooth Receiver; 203, the second audio frequency power amplifier; 204, the second loudspeaker.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figure 1, the utility model Bluetooth speaker system comprises main sound box 1 and woofer 2, main sound box 1 comprises the first Bluetooth antenna 101, the first Bluetooth Receiver 103, the first audio frequency power amplifier 106 and the first loudspeaker 107, and woofer 2 comprises the second Bluetooth antenna 201, the second Bluetooth Receiver 202, the second audio frequency power amplifier 203 and second loudspeaker 204 of electrical connection successively.
Described main sound box also comprises radio-frequency (RF) transceiver 102, digital signal processor 104, audio decoder 105 and bluetooth transmitters 108, the first described Bluetooth antenna 101, radio-frequency (RF) transceiver 102, the first Bluetooth Receiver 103, digital signal processor 104, audio decoder 105, the first audio frequency power amplifier 106 and the first loudspeaker 107 are electrically connected successively, described digital signal processor 104 is electrically connected with radio-frequency (RF) transceiver 102 by bluetooth transmitters 108, the output that is to say digital signal processor 104 is electrically connected with the input of bluetooth transmitters 108, the output of bluetooth transmitters 108 is electrically connected with the input of radio-frequency (RF) transceiver 102, the first Bluetooth antenna 101 is connected by blue teeth wireless channel communication with the second Bluetooth antenna 201.
Radio-frequency (RF) transceiver 102 is received radio signals and is converted to electric signal transmission to the first Bluetooth Receiver 103 by the first Bluetooth antenna 101, the first Bluetooth Receiver 103 converts through digital demodulation the signal of telecommunication receiving to control signal and digital audio and video signals, digital signal processor leaches low-frequency audio signal by digital audio and video signals through processing, low-frequency audio signal is loaded into bluetooth transmitters 108 and is transmitted into the second Bluetooth Receiver 202 by radio-frequency (RF) transceiver 102 and the first Bluetooth antenna 101 after Digital Modulation, remaining digital audio and video signals is transferred to the first audio frequency power amplifier 106 by audio decoder 105 decodings, the first audio frequency power amplifier 106 is by digital audio and video signals converting analogue audio signal, carry out power amplification simultaneously, drive the first loudspeaker 107.
The second Bluetooth Receiver 202 is received audio bass signal and is converted to the signal of telecommunication by the second Bluetooth antenna 201, the second Bluetooth Receiver 202 is exported audio bass signal by Electric signal processing, and audio bass signal is through second audio frequency power amplifier 203 rear drive the second loudspeaker 204.
Below only with regard to the utility model, apply preferably example and made explanation, but can not be interpreted as it is limitations on claims, structure of the present utility model can have other to change, and is not limited to said structure.In a word, all various variations of doing in the protection range of independent claims of the present utility model are all in protection range of the present utility model.
Claims (1)
1. a Bluetooth speaker system, it comprises main sound box (1) and woofer (2), main sound box (1) comprises the first Bluetooth antenna (101), the first Bluetooth Receiver (103), the first audio frequency power amplifier (106) and the first loudspeaker (107), woofer (2) comprises second Bluetooth antenna (201) of electrical connection successively, the second Bluetooth Receiver (202), the second audio frequency power amplifier (203) and the second loudspeaker (204), it is characterized in that: described main sound box (1) also comprises radio-frequency (RF) transceiver (102), digital signal processor (104), audio decoder (105) and bluetooth transmitters (108), described the first Bluetooth antenna (101), radio-frequency (RF) transceiver (102), the first Bluetooth Receiver (103), digital signal processor (104), audio decoder (105), the first audio frequency power amplifier (106) and the first loudspeaker (107) are electrically connected successively, described digital signal processor (104) is electrically connected with radio-frequency (RF) transceiver (102) by bluetooth transmitters (108), the first Bluetooth antenna (101) is connected by blue teeth wireless channel communication with the second Bluetooth antenna (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801260.XU CN203590427U (en) | 2013-12-09 | 2013-12-09 | Bluetooth acoustic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801260.XU CN203590427U (en) | 2013-12-09 | 2013-12-09 | Bluetooth acoustic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203590427U true CN203590427U (en) | 2014-05-07 |
Family
ID=50588265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320801260.XU Expired - Fee Related CN203590427U (en) | 2013-12-09 | 2013-12-09 | Bluetooth acoustic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203590427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106550298A (en) * | 2015-09-22 | 2017-03-29 | 峰范（北京）科技有限公司 | Baffle Box of Bluetooth |
| CN108093332A (en) * | 2016-11-22 | 2018-05-29 | 峰范（北京）科技有限公司 | Detachable combined box |
-
2013
- 2013-12-09 CN CN201320801260.XU patent/CN203590427U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106550298A (en) * | 2015-09-22 | 2017-03-29 | 峰范（北京）科技有限公司 | Baffle Box of Bluetooth |
| CN108093332A (en) * | 2016-11-22 | 2018-05-29 | 峰范（北京）科技有限公司 | Detachable combined box |
| CN108093332B (en) * | 2016-11-22 | 2024-02-09 | 江西斐耳科技有限公司 | Detachable combined sound box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20191209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |