CN202135278U - Multifunctional bluetooth sound box - Google Patents
Multifunctional bluetooth sound box Download PDFInfo
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- CN202135278U CN202135278U CN201120071398U CN201120071398U CN202135278U CN 202135278 U CN202135278 U CN 202135278U CN 201120071398 U CN201120071398 U CN 201120071398U CN 201120071398 U CN201120071398 U CN 201120071398U CN 202135278 U CN202135278 U CN 202135278U
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- bluetooth
- bluetooth module
- blue tooth
- audio amplifier
- power amplifier
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Abstract
The utility model provides a multifunctional bluetooth sound box, belonging to the technical field of the bluetooth sound box. The multifunctional bluetooth sound box solves the problems of relatively high cost and single service function of the bluetooth sound box in the prior arts. The multifunctional bluetooth sound box comprises a bluetooth module, a power amplifier circuit connected with the bluetooth module and a horn connected with an output terminal of the power amplifier circuit; the power amplifier circuit is connected with a power supply circuit; the multifunctional bluetooth sound box also comprises a microphone, a keyboard and an LCD display screen; the microphone is connected with the bluetooth module; and the keyboard and the LCD display screen are connected with the bluetooth module through a one-chip microcomputer. Functions such as dialing, control and audio frequency switching are realized through the keyboard of the sound box or remote control by the multifunctional bluetooth sound box; cost performance is high; and application in occasions such as a home or an office is suitable.
Description
Technical field
The utility model belongs to the Baffle Box of Bluetooth technical field, relates to a kind of multifunction blue tooth audio amplifier.
Background technology
Between the audio output apparatus such as common audio amplifier and computer cell phone all is to transmit through wired mode, uses inconvenient.Therefore, occurred connecting with wireless mode the Baffle Box of Bluetooth of transmission signals on the market, it is convenient that it has brought for people's life.
But the Baffle Box of Bluetooth on the existing market is on the high side, and about 1400 yuan, Sony Ericsson MBS-100 price is about 400 yuan like the EQ7 of Motorola price, and sieve skill LogitechPure-Fi Mobile price is about 1000 yuan.And the function ratio that Baffle Box of Bluetooth had is more single; Only has simple pickup feature like EQ7 of Motorola and Logitech Pure-Fi Mobile; Sony Ericsson MBS-100 embodies portable functional, and iDM12 that iHome releases on CES and iDM15 pursue power management capabilities.
Disclose a kind of multifunction blue tooth audio amplifier [patent No.: ZL200620054305.1] like the Chinese patent document, it comprises audio amplifier body, bluetooth sending and receiving device, also comprises at least a media player or functional interface.This utility model can change the simple function that Baffle Box of Bluetooth equipment in the past can only play sound through Bluetooth technology and any device transmitted in both directions voice signal that has Bluetooth technology.But the not enough power saving of this utility model, it is convenient inadequately to operate, function singleness.
Summary of the invention
There are the problems referred to above in the utility model to existing technology; A kind of multifunction blue tooth audio amplifier has been proposed; This multifunction blue tooth audio amplifier is realized functions such as dialing, control and audio frequency switching through audio amplifier keyboard or remote control, and cost performance is high, conveniently is applied to occasions such as family expenses, office.
The utility model is realized through following technical proposal: a kind of multifunction blue tooth audio amplifier; Power amplifier that comprise bluetooth module, is connected and the loudspeaker that are connected with the power amplifier output with bluetooth module; Described power amplifier is connected with power supply circuits, it is characterized in that, this multifunction blue tooth audio amplifier also comprises microphone, keyboard and LCD display; Described microphone is connected with above-mentioned bluetooth module, and described keyboard is connected with described bluetooth module through single-chip microcomputer with LCD display.
This multifunction blue tooth audio amplifier is communicated by letter with the bluetooth module through single-chip microcomputer UART completion and is controlled, and realizes the interconnection of bluetooth cellular phone or PC computer equipment such as (containing Bluetooth function) and bluetooth module, accomplishes hands-free and music playback function.Adopt keyboard to accomplish the input of data and audio frequency control command, and accomplish basic data and control command demonstration through LCD display.
In above-mentioned multifunction blue tooth audio amplifier, also comprise IR remote controller and the infrared remote control receiver module that is arranged in the Baffle Box of Bluetooth in this multifunction blue tooth audio amplifier, this infrared remote control receiver module and above-mentioned single-chip microcomputer are mutually in succession.The infrared remote control module receive the signal of IR remote controller and decode after be transported to single-chip microcomputer, have single-chip microcomputer to make control.
In above-mentioned multifunction blue tooth audio amplifier, described keyboard is 4 * 5 matrix keyboards, and the key of keyboard and above-mentioned IR remote controller key codes of pushbuttons are complementary.Can realize that keyboard and IR remote controller control jointly.
In above-mentioned multifunction blue tooth audio amplifier, be provided with between described bluetooth module and the power amplifier and be used for regulating separately the volume of audio amplifier left and right acoustic channels and the audio regulating circuit of tone.Can make voice output more melodious through the audio regulating circuit.
In above-mentioned multifunction blue tooth audio amplifier, the OCL power amplifier of described power amplifier for being formed by connecting the TDA2030A chip, described power supply circuits are 12V transformer-supplied circuit.
In above-mentioned multifunction blue tooth audio amplifier, Baffle Box of Bluetooth is provided with the AUX IN interface that is connected with above-mentioned power amplifier, and the switching between Bluetooth audio frequency and the AUX IN audio frequency is by Single-chip Controlling.Under the situation that need not close Bluetooth function, through Single-chip Controlling the Bluetooth audio frequency input is switched to the input of AUX IN audio frequency, perhaps switch to the Bluetooth audio frequency input by the input of AUX IN audio frequency, realize the switching input of multiple audio signal.
In above-mentioned multifunction blue tooth audio amplifier, described bluetooth module adopts the BC03 bluetooth module of CSR, on this bluetooth module, is connected with antenna.Make that through connecting antenna signal transmits more stable and transmitting range is farther.
Compared with prior art, this multifunction blue tooth audio amplifier has the following advantages:
1, the utility model adopts bluetooth module and Single-chip Controlling, and production cost is low, low price, and cost estimation is greatly about about 100 yuan.
2, this Baffle Box of Bluetooth is various, not only has function keyboard and status indicator lamp, also has following distinguishing feature: the keyboard dialing function of (1) audio amplifier, improve HFP (hands-free) function of bluetooth; (2) function of infrared remote control of audio amplifier; (3) the bluetooth module of audio amplifier and LCD turn-off battery saving mode; (4) software of Bluetooth audio frequency and AUX IN (auxiliary audio frequency input) switches; (5) audio of audio amplifier left and right acoustic channels is regulated; (6) audio amplifier is called auto-pickup function and the secret call function in the process; (8) voice dial-up function of audio amplifier.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the utility model.
Fig. 2 is the control panel sketch map of this multifunction blue tooth audio amplifier.
Among the figure, 1, bluetooth module; 2, power amplifier; 3, loudspeaker; 4, power supply circuits; 5, microphone; 6, keyboard; 7, IR remote controller; 8, LCD display; 9, single-chip microcomputer; 10, antenna; 11, audio regulating circuit; 12, AUX IN interface; 13, infrared remote control receiver module.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
As shown in Figure 1; This multifunction blue tooth audio amplifier; Comprise bluetooth module 1, power amplifier 2, loudspeaker 3, power supply circuits 4, microphone 5, keyboard 6, IR remote controller 7, LCD display 8, single-chip microcomputer 9 etc.; Realize functions such as keyboard 6 remote dial-ups, control, audio frequency switching, the adjusting of left and right acoustic channels audio, have man-machine interface close friend, cost performance advantages of higher.
Specifically, bluetooth module 1 adopts the BC03 bluetooth module 1 of CSR, on this bluetooth module 1, is connected with antenna 10.The 0CL power amplifier of power amplifier 2 for being formed by connecting the TDA2030A chip.Power amplifier 2 inputs are connected with bluetooth module 1, and power amplifier 2 outputs connect loudspeaker 3, and 4 pairs of power amplifiers 2 of power supply circuits are supplied power, and power supply circuits 4 are 12V transformer-supplied circuit.Be provided with between bluetooth module 1 and the power amplifier 2 and be used for regulating separately the volume of audio amplifier left and right acoustic channels and the audio regulating circuit 11 of tone.After the bluetooth interconnection; Mobile phone, apparatus such as computer send the BT audio signal through bluetooth module 1; Bluetooth module 1 on the audio amplifier receives this BT audio signal; And pass through audio regulating circuit 8 and regulate, the BT audio signal after output is regulated is then given power amplifier 2, and 2 pairs of BT audio signals of power amplifier are exported to loudspeaker 3 sounding after handling amplification.Baffle Box of Bluetooth is provided with the AUX IN that is connected with power amplifier 2 and connects 12, the BT audio frequency and and AUX IN audio frequency between switching by single-chip microcomputer 9 control.
Also be connected with microphone 5 on the bluetooth module 1.Microphone 5 flows to bluetooth module 1 with audio signal, and bluetooth module 1 sends the back with this signal and received by the bluetooth module on the mobile phone 1, realizes dialogue function.Keyboard 6 is connected with bluetooth module 1 through single-chip microcomputer 9 with LCD display 8.Infrared remote control receiver module 13 is set in Baffle Box of Bluetooth, and this infrared remote control receiver module 13 and single-chip microcomputer 9 are mutually in succession.Accomplish through AT89C52 single-chip microcomputer 9 and UART chip and to communicate by letter and control with bluetooth module 1, hands-free and music playback function is accomplished in the interconnection of realization bluetooth cellular phone or PC computer equipment such as (containing Bluetooth function) and BC03 bluetooth module.Keyboard 6 is 4 * 5 matrix keyboards 6, and the key of keyboard 6 and IR remote controller 7 key codes of pushbuttons are complementary.HFP (hands-free) and audio amplifier keyboard 6 dial features have been realized; Keyboard 6 and the two controlled function of infrared remote control; Bluetooth module and LCD turn-off battery saving mode.
After single-chip microcomputer 9 burned programs, the use of this multifunction blue tooth audio amplifier is following:
1. bluetooth cellular phone perhaps contains the PC equipment of Bluetooth function and the wireless connections of Baffle Box of Bluetooth
1) connect the 220V AC power supplies, open the audio amplifier mains switch, LCD display 8 shows to get into welcomes the interface.
2) bluetooth cellular phone or PC device first connect: as shown in Figure 2; Open Bluetooth of mobile phone (perhaps PC equipment bluetooth) earlier; PAIR pairing key on the keypad 6, the search bluetooth equipment matches when searching XXXXX; Pairing password 1234 can show bluetooth cellular phone or PC bluetooth equipment name (implementor name must be set to English character or number format) after the successful connection on LCD.Need be under the bluetooth equipment name XXXXX that searches for some mobile phone, to click and select to connect audio frequency to the bluetooth module, some mobile phone can connect audio frequency automatically, looks mobile phone and decides.Perhaps through audio amplifier keyboard 6, press the SHIFT switch key earlier, press multifunction key 1 (A2DP connecting key) again and connect Bluetooth audio frequency, this moment, LCD can show A2DP CONNECTED, and the expression bluetooth equipment connects and is connected 0K with Bluetooth audio frequency.
3) if after mobile phone or PC equipment and bluetooth are successfully matched (bluetooth equipment that last success is matched); Start can show LINKING; The bluetooth module can send order and connect the bluetooth equipment that successfully matched, and supposes that mobile phone or PC equipment bluetooth are in open mode, then can be dynamically connected certainly.
2. hands-free (HFP) of audio amplifier operation (do not press the SHIFT switch key, LCD does not have the S state and shows)
Concrete function is following:
1) call: press the CALL dial key on the lower keyboard 6, on audio amplifier keyboard 6 or mobile phone, press the numerical key dialing, wait for after 5 seconds, phone can be transferred to automatically.When the other side connects conversation, can hang up through multifunction push key 1 key;
2) receive calls: the phone incoming call is arranged, can answer through multifunction push key 0,2 key rejections;
3) auto-pickup: press the # key, phone is squeezed into auto-pickup behind the 10s, can remove the auto-pickup function by CLR ATUO_A;
4) conversation conversion: can conversation be transformed into bluetooth cellular phone by 8 keys; Press SHIFT earlier, again by 9 keys can handoff calls to Baffle Box of Bluetooth;
5) volume is regulated: increase by 4 key sound amounts, reduce by 5 key sound amounts;
6) phonetic dialing: by 7 keys, after hearing " toot " sound, call out the voice messaging of having stored at the MIC place, (but bluetooth cellular phone of phonetic dialing) can dial;
3. the music of audio amplifier (A2DP) operation (press the SHIFT switch key, LCD has the S state to show)
Concrete function is following:
1) music: connect music player by 1 key, begin to play, suspend by 2 keys by 0 key, by 3 keys next, by a head on 4 keys, stop to play by 5 keys;
2) volume is regulated: increase by 4 key sound amounts, reduce by 5 key sound amounts; (need not press the SHIFT switch key here)
4. other function button operation
1) audio frequency switches: can switch A2DP and auxiliary audio frequency input by the audio frequency switch key;
2) Bluetooth switch key: can close bluetooth and LCD demonstration by on & off switch, power amplifier is in proper working order;
3) break off pairing: press key PAIR and can match bluetooth cellular phone; After the successful connection, press PAIR and break off the bluetooth connection;
4) press the LINK key, can connect the bluetooth equipment that successfully matched for the last time;
5) press the * key and show versions information;
Claims (7)
1. multifunction blue tooth audio amplifier; Power amplifier (2) that comprise bluetooth module (1), is connected and the loudspeaker (3) that are connected with power amplifier (2) output with bluetooth module (1); Described power amplifier (2) is connected with power supply circuits (4); It is characterized in that; This multifunction blue tooth audio amplifier also comprises microphone (5), keyboard (6) and LCD display (8), and described microphone (5) is connected with above-mentioned bluetooth module (1), and described keyboard (6) is connected with described bluetooth module (1) through single-chip microcomputer (9) with LCD display (8).
2. multifunction blue tooth audio amplifier according to claim 1; It is characterized in that; Also comprise IR remote controller (7) in this multifunction blue tooth audio amplifier and be arranged on the infrared remote control receiver module (13) in the Baffle Box of Bluetooth that this infrared remote control receiver module (13) and above-mentioned single-chip microcomputer (9) are mutually in succession.
3. multifunction blue tooth audio amplifier according to claim 2 is characterized in that, described keyboard (6) is 4 * 5 matrix keyboards, and the key of keyboard (6) and above-mentioned IR remote controller (7) key codes of pushbuttons are complementary.
4. according to claim 1 or 2 or 3 described multifunction blue tooth audio amplifiers, it is characterized in that, be provided with between described bluetooth module (1) and the power amplifier (2) and be used for regulating separately the volume of audio amplifier left and right acoustic channels and the audio regulating circuit (11) of tone.
5. multifunction blue tooth audio amplifier according to claim 4 is characterized in that, the OCL power amplifier of described power amplifier (2) for being formed by connecting the TDA2030A chip, and described power supply circuits (4) are 12V transformer-supplied circuit.
6. multifunction blue tooth audio amplifier according to claim 5 is characterized in that, Baffle Box of Bluetooth is provided with the AUX IN interface (12) that is connected with above-mentioned power amplifier (2), and the switching between Bluetooth audio frequency and the AUX IN audio frequency is controlled by single-chip microcomputer (9).
7. multifunction blue tooth audio amplifier according to claim 6 is characterized in that, described bluetooth module (1) adopts the BC03 bluetooth module (1) of CSR, on this bluetooth module (1), is connected with antenna (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120071398U CN202135278U (en) | 2011-03-18 | 2011-03-18 | Multifunctional bluetooth sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120071398U CN202135278U (en) | 2011-03-18 | 2011-03-18 | Multifunctional bluetooth sound box |
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| Publication Number | Publication Date |
|---|---|
| CN202135278U true CN202135278U (en) | 2012-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120071398U Expired - Fee Related CN202135278U (en) | 2011-03-18 | 2011-03-18 | Multifunctional bluetooth sound box |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880299A (en) * | 2012-09-18 | 2013-01-16 | 无锡莱吉特信息科技有限公司 | Bluetooth keyboard |
| CN102984620A (en) * | 2012-11-30 | 2013-03-20 | 深圳市博尊音域科技有限公司 | Sound equipment |
| CN103139673A (en) * | 2013-02-04 | 2013-06-05 | 珠海雷克斯电子科技有限公司 | Bluetooth small loudspeaker box |
| CN103152839A (en) * | 2013-02-27 | 2013-06-12 | 深圳市元征软件开发有限公司 | System and method for quickly pairing industrial wireless communication equipment |
| CN103574437A (en) * | 2013-11-01 | 2014-02-12 | 昆山博文照明科技有限公司 | Lawn lamp with infrared and Bluetooth functions |
| CN103593635A (en) * | 2013-11-12 | 2014-02-19 | 刘海东 | Wireless card reading method of Bluetooth card plug-in sound box |
| CN103997698A (en) * | 2014-06-11 | 2014-08-20 | 浙江祥晖数码科技有限公司 | Bluetooth speaker with NFC function |
| CN103997704A (en) * | 2014-05-28 | 2014-08-20 | 无锡中星微电子有限公司 | Audio playing device and Bluetooth loudspeaker box |
| CN104066033A (en) * | 2014-06-30 | 2014-09-24 | 宁波翼动通讯科技有限公司 | Bluetooth sound box system and using method thereof |
| WO2014153938A1 (en) * | 2013-03-29 | 2014-10-02 | 苏州上声电子有限公司 | Ceiling type acoustic apparatus based on beam control |
| CN104464244A (en) * | 2014-12-09 | 2015-03-25 | 珠海煌荣集成电路科技有限公司 | Remote control method and remote control device for bluetooth loudspeaker box as well as remote control signal transmitting equipment for bluetooth loudspeaker box |
| 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 |
| CN105451133A (en) * | 2015-11-30 | 2016-03-30 | 曾卓 | Sound box with Bluetooth transmission function |
| CN107666640A (en) * | 2017-10-27 | 2018-02-06 | 南京坤艮信息科技有限公司 | A kind of microphone and its application method of integrated audio amplifier |
-
2011
- 2011-03-18 CN CN201120071398U patent/CN202135278U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880299A (en) * | 2012-09-18 | 2013-01-16 | 无锡莱吉特信息科技有限公司 | Bluetooth keyboard |
| CN102984620A (en) * | 2012-11-30 | 2013-03-20 | 深圳市博尊音域科技有限公司 | Sound equipment |
| CN103139673A (en) * | 2013-02-04 | 2013-06-05 | 珠海雷克斯电子科技有限公司 | Bluetooth small loudspeaker box |
| CN103152839A (en) * | 2013-02-27 | 2013-06-12 | 深圳市元征软件开发有限公司 | System and method for quickly pairing industrial wireless communication equipment |
| WO2014153938A1 (en) * | 2013-03-29 | 2014-10-02 | 苏州上声电子有限公司 | Ceiling type acoustic apparatus based on beam control |
| CN103574437A (en) * | 2013-11-01 | 2014-02-12 | 昆山博文照明科技有限公司 | Lawn lamp with infrared and Bluetooth functions |
| CN103593635A (en) * | 2013-11-12 | 2014-02-19 | 刘海东 | Wireless card reading method of Bluetooth card plug-in sound box |
| CN103997704B (en) * | 2014-05-28 | 2017-10-03 | 无锡中感微电子股份有限公司 | Audio playing apparatus and Baffle Box of Bluetooth |
| CN103997704A (en) * | 2014-05-28 | 2014-08-20 | 无锡中星微电子有限公司 | Audio playing device and Bluetooth loudspeaker box |
| CN103997698A (en) * | 2014-06-11 | 2014-08-20 | 浙江祥晖数码科技有限公司 | Bluetooth speaker with NFC function |
| CN104066033A (en) * | 2014-06-30 | 2014-09-24 | 宁波翼动通讯科技有限公司 | Bluetooth sound box system and using method thereof |
| 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 |
| CN104464244A (en) * | 2014-12-09 | 2015-03-25 | 珠海煌荣集成电路科技有限公司 | Remote control method and remote control device for bluetooth loudspeaker box as well as remote control signal transmitting equipment for bluetooth loudspeaker box |
| CN104464244B (en) * | 2014-12-09 | 2018-01-12 | 珠海煌荣集成电路科技有限公司 | The remote control thereof and remote control of Baffle Box of Bluetooth, the remote signal of Baffle Box of Bluetooth send equipment |
| CN105451133A (en) * | 2015-11-30 | 2016-03-30 | 曾卓 | Sound box with Bluetooth transmission function |
| CN107666640A (en) * | 2017-10-27 | 2018-02-06 | 南京坤艮信息科技有限公司 | A kind of microphone and its application method of integrated audio amplifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20130318 |