CN103139673A - Bluetooth small loudspeaker box - Google Patents
Bluetooth small loudspeaker box Download PDFInfo
- Publication number
- CN103139673A CN103139673A CN2013100429883A CN201310042988A CN103139673A CN 103139673 A CN103139673 A CN 103139673A CN 2013100429883 A CN2013100429883 A CN 2013100429883A CN 201310042988 A CN201310042988 A CN 201310042988A CN 103139673 A CN103139673 A CN 103139673A
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- bluetooth
- bluetooth chip
- circuit board
- power supply
- module
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Abstract
The invention provides a bluetooth small loudspeaker box. The bluetooth small loudspeaker box comprises an outer shell, a circuit board and a loudspeaker, wherein the circuit board and the loudspeaker are arranged in the outer shell, a bluetooth module used for achieving wireless connection with external sound source equipment, a power amplification circuit and a power supply module are integrated on the circuit board, the bluetooth module is mainly composed of a bluetooth chip and a built-in antenna, the built-in antenna is connected with an input end of the bluetooth chip, an output end of the bluetooth chip is connected with an input end of the power amplification circuit, an output end of the power amplification circuit is in conductive connection with the loudspeaker, and the power supply module is in electric connection with the bluetooth chip to supply work power supply. The built-in antenna of the bluetooth small loudspeaker box reinforces the receiving range of sound signals, the transmitting stability is strong, the transmitting distance can reach 25 meters, and the full range is better in sound quality. Besides, due to the designs of the outer shell shaped like a golf ball and sound outlet holes with chamfer round opening inner sides, the bluetooth small loudspeaker box is unique and beautiful in appearance, and given out sound is enabled to be smoother.
Description
[technical field]
The invention belongs to the technology for loudspeaker box field, relate in particular to the little audio amplifier of a kind of bluetooth.
[background technology]
At present, Baffle Box of Bluetooth is on the market avoided coiling, the limited problem of distance of the audio amplifier of conventional wires connection, for use has brought convenience mainly by adopting Bluetooth technology to transmit the broadcast music; But existing these Baffle Box of Bluetooth transmission are extremely unstable, audio is bad, and transmission range is short.
[summary of the invention]
In order to solve the above-mentioned technical problem that exists in prior art, the invention provides a kind of receiving ability and strengthen, transmission stability is high, and full range tonequality is good, and the little audio amplifier of the bluetooth of outward appearance unique and beautiful.
The present invention solves the technical scheme that the prior art problem adopts:
The little audio amplifier of a kind of bluetooth includes shell, circuit board and loud speaker, and described circuit board and loud speaker are located in described shell; Be integrated with on described circuit board for realizing bluetooth module, power amplification circuit and the power module of wireless connections with external sound source equipment, described bluetooth module mainly is comprised of Bluetooth chip and built-in aerial, described built-in aerial is connected with the input of described Bluetooth chip, the output of described Bluetooth chip is connected with the input of described power amplification circuit, the output of described power amplification circuit is connected with the described device conducting of winnowing, described power module is electrically connected to Bluetooth chip, supplies with working power.
Further, described power module include can be independently-powered battery and power supply stabilization circuit, described battery directly is electrically connected to described Bluetooth chip, and described power supply stabilization circuit one end is connected with outside 5V DC power supply, and the other end is electrically connected to described Bluetooth chip.
Further, described shell is designed to the golf shape, and its top is provided with sender, and the inboard aperture of described sender is the chamfering round mouth, described loud speaker be positioned at described sender under.
Beneficial effect of the present invention is as follows:
The present invention passes through technique scheme, its built-in aerial strengthens the range of receiving of audio signal greatly, receiving ability strengthens, transmission stability is high, and transmission range can reach 25 meters, and full range tonequality is better, solve the problem that traditional Baffle Box of Bluetooth transmission is unstable, distance is short and tonequality is bad, and the design of the sender of the shell of golf shape and inboard chamfering round mouth, both unique and beautiful, made again sound send rounder and more smooth, smooth and easy.
[description of drawings]
Fig. 1 is the structural principle schematic block diagram of the little audio amplifier embodiment of a kind of bluetooth of the present invention;
Fig. 2 is the surface structure schematic diagram of the little audio amplifier embodiment of a kind of bluetooth of the present invention;
Fig. 3 is the sectional structure schematic diagram of the little audio amplifier embodiment of a kind of bluetooth of the present invention.
[embodiment]
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Fig. 1 to Fig. 3:
The little audio amplifier of the invention process described a kind of bluetooth of row includes shell 1, circuit board 2 and loud speaker 3, and described circuit board 2 and loud speaker 3 are located in shell 1.Wherein, described shell 1 is designed to the golf shape, and its top is provided with sender 11, and the inboard aperture of described sender 11 is the chamfering round mouth, described loud speaker 3 be positioned at sender 11 under; Be integrated with on described circuit board 2 for realizing bluetooth module 4, power amplification circuit 5 and the power module 6 of wireless connections with external sound source equipment, described bluetooth module 4 mainly is comprised of Bluetooth chip 41 and built-in aerial 42, described built-in aerial 42 is connected with the input of Bluetooth chip 41, the output of described Bluetooth chip 41 is connected with the input of power amplification circuit 5, and the output of described power amplification circuit 5 is connected with device 3 conductings of winnowing; Described power module 6 include can be independently-powered battery 61 and power supply stabilization circuit 62, described battery 61 directly is electrically connected to Bluetooth chip 41, described power supply stabilization circuit 62 1 ends are connected with outside 5V DC power supply, and the other end is electrically connected to Bluetooth chip 41, supply with working power.In addition, the structure of described power amplification circuit 5 and power supply stabilization circuit 62, operation source are managed all identical with existing power amplification circuit and power supply stabilization circuit, and in this not go into detail.
The little audio amplifier of bluetooth of the present invention is connected with Bluetooth chip 41 conductings by setting up a built-in aerial 42, greatly strengthen the range of receiving of audio signal, receiving ability strengthens, transmission stability is high, and transmission range can reach 25 meters, and full range tonequality is better, solve the problem that traditional Baffle Box of Bluetooth transmission is unstable, distance is short and tonequality is bad, and the design of the sender of the shell of golf shape and inboard chamfering round mouth, both unique and beautiful, made again sound send rounder and more smooth, smooth and easy.
Above content is in conjunction with concrete optimal technical scheme further description made for the present invention, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (3)
1. the little audio amplifier of bluetooth, include shell (1), circuit board (2) and loud speaker (3), and described circuit board (2) and loud speaker (3) are located in described shell (1), it is characterized in that: be integrated with on described circuit board (2) for realizing the bluetooth module (4) of wireless connections with external sound source equipment, power amplification circuit (5) and power module (6), described bluetooth module (4) mainly is comprised of Bluetooth chip (41) and built-in aerial (42), described built-in aerial (42) is connected with the input of described Bluetooth chip (41), the output of described Bluetooth chip (41) is connected with the input of described power amplification circuit (5), the output of described power amplification circuit (5) is connected with the described device of winnowing (3) conducting, described power module (6) is electrically connected to Bluetooth chip (41), supply with working power.
2. the little audio amplifier of bluetooth according to claim 1, it is characterized in that: described power module (6) include can be independently-powered battery (61) and power supply stabilization circuit (62), described battery (61) directly is electrically connected to described Bluetooth chip (41), described power supply stabilization circuit (62) one ends are connected with outside 5V DC power supply, and the other end is electrically connected to described Bluetooth chip (41).
3. the little audio amplifier of bluetooth according to claim 1 and 2, it is characterized in that: described shell (1) is designed to the golf shape, its top is provided with sender (11), the inboard aperture of described sender (11) is the chamfering round mouth, described loud speaker (3) be positioned at described sender (11) under.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100429883A CN103139673A (en) | 2013-02-04 | 2013-02-04 | Bluetooth small loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100429883A CN103139673A (en) | 2013-02-04 | 2013-02-04 | Bluetooth small loudspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103139673A true CN103139673A (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100429883A Pending CN103139673A (en) | 2013-02-04 | 2013-02-04 | Bluetooth small loudspeaker box |
Country Status (1)
| Country | Link |
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| CN (1) | CN103139673A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104394494A (en) * | 2014-12-09 | 2015-03-04 | 宁波长青家居用品有限公司 | Bluetooth loudspeaker |
| CN105353198A (en) * | 2014-08-19 | 2016-02-24 | 深圳市魅动音响有限公司 | Voltage detection circuit and speaker box |
| CN109166578A (en) * | 2018-08-14 | 2019-01-08 | Oppo广东移动通信有限公司 | Mobile terminal, sound control method and Related product |
| JP2020503783A (en) * | 2016-12-30 | 2020-01-30 | グーグル エルエルシー | Design of compact home assistant combining acoustic waveguide and heat sink |
| US11886654B2 (en) | 2019-07-24 | 2024-01-30 | Google Llc | Compact home assistant device |
| US11902729B2 (en) | 2019-07-24 | 2024-02-13 | Google Llc | Compact home assistant having a controlled sound path |
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| CN201054778Y (en) * | 2007-04-11 | 2008-04-30 | 陈坚强 | Multi-function sound box |
| CN202135278U (en) * | 2011-03-18 | 2012-02-01 | 杨本全 | Multifunctional bluetooth sound box |
| CN202488657U (en) * | 2012-03-28 | 2012-10-10 | 深圳市超维实业有限公司 | Waterproof Bluetooth earphone |
| CN203136086U (en) * | 2013-02-04 | 2013-08-14 | 珠海雷克斯电子科技有限公司 | Small Bluetooth loudspeaker box |
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2013
- 2013-02-04 CN CN2013100429883A patent/CN103139673A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201054778Y (en) * | 2007-04-11 | 2008-04-30 | 陈坚强 | Multi-function sound box |
| CN202135278U (en) * | 2011-03-18 | 2012-02-01 | 杨本全 | Multifunctional bluetooth sound box |
| CN202488657U (en) * | 2012-03-28 | 2012-10-10 | 深圳市超维实业有限公司 | Waterproof Bluetooth earphone |
| CN203136086U (en) * | 2013-02-04 | 2013-08-14 | 珠海雷克斯电子科技有限公司 | Small Bluetooth loudspeaker box |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353198A (en) * | 2014-08-19 | 2016-02-24 | 深圳市魅动音响有限公司 | Voltage detection circuit and speaker box |
| CN105353198B (en) * | 2014-08-19 | 2018-05-29 | 深圳市魅动音响有限公司 | Voltage detecting circuit and speaker |
| CN104394494A (en) * | 2014-12-09 | 2015-03-04 | 宁波长青家居用品有限公司 | Bluetooth loudspeaker |
| JP6995860B2 (en) | 2016-12-30 | 2022-01-17 | グーグル エルエルシー | Designing a compact home assistant that combines an acoustic waveguide and a heat sink |
| JP2020503783A (en) * | 2016-12-30 | 2020-01-30 | グーグル エルエルシー | Design of compact home assistant combining acoustic waveguide and heat sink |
| US11942088B2 (en) | 2016-12-30 | 2024-03-26 | Google Llc | Compact speaker device |
| US11011168B2 (en) | 2016-12-30 | 2021-05-18 | Google Llc | Compact speaker device |
| EP3873071A1 (en) * | 2016-12-30 | 2021-09-01 | Google LLC | Design for compact home assistant |
| CN109166578A (en) * | 2018-08-14 | 2019-01-08 | Oppo广东移动通信有限公司 | Mobile terminal, sound control method and Related product |
| US11438643B2 (en) | 2018-08-14 | 2022-09-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Terminal, method for voice control, and related products |
| CN109166578B (en) * | 2018-08-14 | 2021-05-11 | Oppo广东移动通信有限公司 | Mobile terminal, voice control method and related product |
| US11886654B2 (en) | 2019-07-24 | 2024-01-30 | Google Llc | Compact home assistant device |
| US11902729B2 (en) | 2019-07-24 | 2024-02-13 | Google Llc | Compact home assistant having a controlled sound path |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130605 |
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| RJ01 | Rejection of invention patent application after publication |