CN109640220A - The lossless music sound equipment of bluetooth - Google Patents
The lossless music sound equipment of bluetooth Download PDFInfo
- Publication number
- CN109640220A CN109640220A CN201910038009.4A CN201910038009A CN109640220A CN 109640220 A CN109640220 A CN 109640220A CN 201910038009 A CN201910038009 A CN 201910038009A CN 109640220 A CN109640220 A CN 109640220A
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- CN
- China
- Prior art keywords
- bluetooth
- center
- loudspeaker
- input terminal
- output end
- 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.)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The invention discloses the lossless music sound equipment of bluetooth, including head unit and work system, the head unit includes center, front housing and rear shell, the front side surface of the center is equipped with front housing, the rear side surface of center is equipped with rear shell, and the upper surface of the center is equipped with top button wrap member, and the product shape is small and exquisite portable, your knapsack can easily be put into, only 700 grams or so of weight, firm Aluminum fuselages design is wear-resisting and beautiful, and indulge in luxuriousness to one's heart's desire music in any place, bluetooth connection, it is convenient and efficient.Bluetooth wireless audio, which adds, can insert TF interface and USB interface, the Wireless stereo audio connection of high quality, can connect all normal procedure intelligent mobile phones, tablet computer, overlength continuation of the journey energy-saving standby.Lithium battery charges about 3 hours, it is possible to provide about 8 hours use time, and skill is helped to hold USB charging.
Description
Technical field
The present invention relates to bluetooth lossless music sound technique fields, the specially lossless music sound equipment of bluetooth.
Background technique
Sound equipment refers in particular to electrical equipment and combines a set of audio system made a sound, and sound system generally includes: 1, sound source is set
It is standby: (arranging such as: DVD, CD, MP3, MP4, computer, mobile phone, microphone sound source output equipment) 2, audio signal dynamic processing equipment
(audio signal processing apparatus such as compressor, effect device, sound console, audio processor, balanced device) 3, audio signal amplifying apparatus
(simulated power amplifiers such as preceding stage power amplifier, final-stage power amplifier, digital power amplifier, equipment) 4, sound-reducing
Equipment (full-range cabinet, ceiling loudspeaker, sound column, linear array speaker, array speaker, high-pitched speaker, subwoofer etc.).Technology
Developing history can be divided into electron tube, transistor, integrated circuit, field-effect tube four-stage, but it is still deposited in actual use
In following drawback:
1. existing acoustic function is less, volume is larger, using there are certain inconveniences；
2. often configuration design is not beautiful enough for existing sound equipment, surface is prone to wear, and influences its aesthetics.
For this purpose, we have proposed the lossless music sound equipments of bluetooth to solve above-mentioned drawback.
Summary of the invention
The purpose of the present invention is to provide the lossless music sound equipments of bluetooth, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme: the lossless music sound equipment of bluetooth, including sound equipment sheet
Body and work system, the head unit include center, front housing and rear shell, and the front side surface of the center is equipped with front housing, center
Rear side surface be equipped with rear shell, the upper surface of the center is equipped with top button wrap member, is enclosed in top button wrap member
The key right end at top button wrap member inner ring, the surface set of the front housing is arranged in key and power lights, the power lights
Equipped with iron net, the middle position of iron net is equipped with front housing light part；
The inside of the center is equipped with ante-chamber sponge, vibrating diaphragm, loudspeaker, battery and bracket, and the bracket is fastened on rear shell
Front, battery snap-in are fixed on the forward surface of bracket, key group be fixed bracket overhead surface and protrude from center
Upper surface setting, loudspeaker rear are lined with loudspeaker cotton pad, and the bracket front is equipped with vibrating diaphragm, vibrating diaphragm setting in the corresponding position of loudspeaker
At the rear of ante-chamber sponge, ante-chamber sponge is fitted in the rear of front housing；
The work system includes Bluetooth signal reception and central controller, and the Bluetooth signal receives and central controller
Input terminal respectively with Bluetooth antenna, external audio frequency input interface, TF card seat, USB interface seat DPDM, key, microphone it is defeated
The input of bluetooth indicator light is electrically connected in the output end of outlet connection, the Bluetooth signal reception and central controller
It holds, the input terminal of booting indicator light, the Bluetooth signal receives and the output end of central controller is connected with by audio signal
The input terminal of 2*10W digital power amplifier, the output end of 2*10W digital power amplifier are electrically connected with loudspeaker, the input of 2*10W digital power amplifier
End is also electrically connected with DC-DC booster circuit, and 13V output is kept between DC-DC booster circuit and 2*10W digital power amplifier, described
It keeps being electrically connected between the input terminal of DC-DC booster circuit and the output end of 7.4V lithium battery, the output end of 7.4V lithium battery
It is also connected with reduction voltage circuit, keeps electricity between output end and the Bluetooth signal reception of reduction voltage circuit and the input terminal of central controller
Property connection, two-way electric connection is kept between the input terminal of the 7.4V lithium battery and the output end of charge management circuit, charge
It manages and keeps being electrically connected between the output end of circuit and the input terminal of charging indicator light, the input terminal of the charge management circuit
It keeps being electrically connected between MINI-USB output ends.
Preferably, the length of the center is 21.2. centimetres, and the height of center is 8.38 centimetres, and the width of center is 6.5
Centimetre.
Preferably, the loudspeaker and loudspeaker cotton pad are equipped with two groups, before two groups of loudspeaker and loudspeaker cotton pad are installed in bracket
The two sides on square surface.
Preferably, the MINI-USB holding 5V power input, the bluetooth indicator light is in bluetooth connection rear indicator light
It is always on.
Preferably, the DC-DC booster circuit is used to 7.4V boost in voltage be 13V voltage.
Preferably, 5V output is kept between the Bluetooth signal reception and central controller and reduction voltage circuit, and is depressured electricity
Road effect is that 7.4V voltage is reduced to 5V voltage.
Compared with prior art, the beneficial effects of the present invention are: structure of the invention setting rationally, functional, have with
Lower advantage:
1. the product shape is small and exquisite portable, your knapsack can be easily put into, only 700 grams or so of weight, firm aluminum
Fuselage design is wear-resisting and beautiful, and indulge in luxuriousness to one's heart's desire music in any place；
2. bluetooth connection, convenient and efficient.Bluetooth wireless audio, which adds, can insert TF interface and USB interface, and the wireless of high quality is stood
The connection of body audio, can connect all normal procedure intelligent mobile phones, tablet computer；
The energy-saving standby 3. overlength is continued a journey.Lithium battery charges about 3 hours, it is possible to provide about 8 hours use time, and skill is helped to hold
USB charging；
4. passive double membrane resonance skills are stated, generated by two compacts, Classic couture taper phonation unit unusual
High output volume, issue natural sound simple and honest, full, true to nature and full range music experience.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is front view of the present invention；
Fig. 3 is top view of the present invention；
Fig. 4 is bottom view of the present invention；
Fig. 5 is side view of the present invention；
Fig. 6 is configuration schematic diagram of the present invention；
Fig. 7 is present system structural schematic diagram.
In figure: center 1, front housing 2, rear shell 3, top button wrap member 4, power lights 5, front housing light part 6, iron net 7, ante-chamber
Sponge 8, vibrating diaphragm 9, loudspeaker 10, key group 11, battery 12, bracket 13, sound equipment pcb plate 14, horn pad cotton 15, foot pad 16.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 to Fig. 7 is please referred to, the present invention provides a kind of technical solution: the lossless music sound equipment of bluetooth, including sound equipment sheet
Body and work system, head unit include center 1, front housing 2 and rear shell 3, and the front side surface of center 1 is equipped with front housing 2, center 1
Rear side surface is equipped with rear shell 3, and the upper surface of center 1 is equipped with top button wrap member 4, be enclosed in top button wrap member 4 by
The key right end at 4 inner ring of top button wrap member is arranged in key and power lights 5, power lights 5, and the surface of front housing 2 is arranged with iron
The middle position of net 7, iron net 7 is equipped with front housing light part 6；
The inside of center 1 is equipped with ante-chamber sponge 8, vibrating diaphragm 9, loudspeaker 10, battery 12 and bracket 13, and bracket 13 is fastened on rear shell
3 front, battery 12 are fixed in the forward surface of bracket 13, key group 11 be fixed bracket 13 overhead surface simultaneously
The setting of 1 upper surface of center is protruded from, 10 rear of loudspeaker is lined with loudspeaker cotton pad 15, and 13 front of bracket is set in the corresponding position of loudspeaker 10
There is vibrating diaphragm 9, the rear of ante-chamber sponge 8 is arranged in vibrating diaphragm 9, and ante-chamber sponge 8 is fitted in the rear of front housing 2；
Work system includes Bluetooth signal reception and central controller, and Bluetooth signal receives and the input terminal of central controller
It is connect respectively with the output end of Bluetooth antenna, external audio frequency input interface, TF card seat, USB interface seat DPDM, key, microphone,
Bluetooth signal receives and the input terminal of bluetooth indicator light, booting indicator light is electrically connected in the output end of central controller
The output end of input terminal, Bluetooth signal reception and central controller is connected with the input of 2*10W digital power amplifier by audio signal
End, the output end of 2*10W digital power amplifier are electrically connected with loudspeaker, and the input terminal of 2*10W digital power amplifier is also electrically connected with DC-DC
Booster circuit, between DC-DC booster circuit and 2*10W digital power amplifier keep 13V output, the input terminal of DC-DC booster circuit and
It keeps being electrically connected between the output end of 7.4V lithium battery, the output end of 7.4V lithium battery is also connected with reduction voltage circuit, decompression electricity
It keeps being electrically connected between output end and the Bluetooth signal reception on road and the input terminal of central controller, the input of 7.4V lithium battery
Two-way electric connection, the output end and charging indicator light of charge management circuit are kept between end and the output end of charge management circuit
Input terminal between keep being electrically connected, keep electrical property between the output end of the input terminal and MINI-USB of charge management circuit seat
Connection.
Further, the length of center 1 is 21.2 centimetres, and the height of center 1 is 8.38 centimetres, and the width of center 1 is 6.5
Centimetre.
Further, loudspeaker 10 and loudspeaker cotton pad 15 are equipped with two groups, and two groups of loudspeaker 10 and loudspeaker cotton pad 15 are installed in
The two sides of 13 forward surface of bracket.
Further, MINI-USB holding 5V power inputs, bluetooth indicator light are always in bluetooth connection rear indicator light.
Further, DC-DC booster circuit is used to 7.4V boost in voltage be 13V voltage.
Further, 5V output, and reduction voltage circuit are kept between Bluetooth signal reception and central controller and reduction voltage circuit
Effect is that 7.4V voltage is reduced to 5V voltage.
Working principle:
1. this project uses 5.0 data transmission technology of bluetooth, there is the features such as low in energy consumption, transmission speed is fast, data transmission
Speed can achieve lossless rank up to 24Mbps, and effective working distance is up to 10 meters, and compatible old edition.
2. detection identifies external equipment to this project automatically in booting, bluetooth mode is entered after booting, insertion TF card is automatic
Identification plays, the latter's priority principle, can also voluntarily switch modes；Do not automatically switch if being inserted into audio signal wire, passes through
[MODE] is switched under AUX mode and plays.
3. 7.4V/2500mAH rechargeable battery built in this project, product selects 2*10W double horn digital power amplifier chip, function
Rate is up to 20W.
4. keypress function definition and jack definition: 1. [ON/OFF] power switch keys, 2. [MODE] mode switching key, 3.
[</>] last track and next track key, 4. [+/-] volume add-substract keies.
There is charging indicator light, be switched on indicator light and bluetooth connection indicator light.Connecting can " bluetooth be with voice broadcast after bluetooth
Connection ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. the lossless music sound equipment of bluetooth, including head unit and work system, the head unit includes center (1), preceding
Shell (2) and rear shell (3), it is characterised in that: the front side surface of the center (1) is equipped with front housing (2), the rear side surface of center (1)
Equipped with rear shell (3), the upper surface of the center (1) is equipped with top button wrap member (4), package in top button wrap member (4)
There are key and power lights (5), the key right end that the power lights (5) are arranged at top button wrap member (4) inner ring, before described
The surface of shell (2) is arranged with iron net (7), and the middle position of iron net (7) is equipped with front housing light part (6)；
The inside of the center (1) is equipped with ante-chamber sponge (8), vibrating diaphragm (9), loudspeaker (10), battery (12) and bracket (13), described
Bracket (13) is fastened on the front of rear shell (3), and battery (12) is fixed in the forward surface of bracket (13), key group (11) card
Conjunction is fixed on the overhead surface of bracket (13) and protrudes from the setting of center (1) upper surface, and loudspeaker (10) rear is lined with loudspeaker cotton pad
(15), vibrating diaphragm (9) are equipped in the corresponding position of loudspeaker (10) in front of the bracket (13), vibrating diaphragm (9) is arranged in ante-chamber sponge (8)
Rear, ante-chamber sponge (8) is fitted in the rear of front housing (2)；
The work system includes that Bluetooth signal receives and central controller, the Bluetooth signal receive and central controller it is defeated
Enter end respectively with Bluetooth antenna, external audio frequency input interface, TF card seat, USB interface seat DPDM, key, microphone output end
Connection, the Bluetooth signal receives and the output end of central controller is electrically connected the input terminal of bluetooth indicator light, opens
The input terminal of machine indicator light, the Bluetooth signal receives and the output end of central controller is connected with 2*10W by audio signal
The input terminal of digital power amplifier, the output end of 2*10W digital power amplifier are electrically connected with loudspeaker, and the input terminal of 2*10W digital power amplifier is also
It is electrically connected with DC-DC booster circuit, 13V output, the DC-DC are kept between DC-DC booster circuit and 2*10W digital power amplifier
It keeps being electrically connected between the input terminal of booster circuit and the output end of 7.4V lithium battery, the output end of 7.4V lithium battery is also connected with
There is reduction voltage circuit, keeps electrically connecting between output end and the Bluetooth signal reception of reduction voltage circuit and the input terminal of central controller
It connects, keeps two-way electric connection, Charge Management between the input terminal of the 7.4V lithium battery and the output end of charge management circuit
Between the output end of circuit and the input terminal of charging indicator light keep be electrically connected, the input terminal of the charge management circuit and
It keeps being electrically connected between MINI-USB output ends.
2. the lossless music sound equipment of bluetooth according to claim 1, it is characterised in that: the length of the center (1) is
21.2 centimetres, the height of center (1) is 8.38 centimetres, and the width of center (1) is 6.5 centimetres.
3. the lossless music sound equipment of bluetooth according to claim 1, it is characterised in that: the loudspeaker (10) and loudspeaker cotton
Pad (15) is equipped with two groups, and two groups of loudspeaker (10) and loudspeaker cotton pad (15) are installed in the two sides of bracket (13) forward surface.
4. the lossless music sound equipment of bluetooth according to claim 1, it is characterised in that: the MINI-USB holding 5V
Power input, the bluetooth indicator light are always in bluetooth connection rear indicator light.
5. the lossless music sound equipment of bluetooth according to claim 1, it is characterised in that: the DC-DC booster circuit is used
In by 7.4V boost in voltage be 13V voltage.
6. the lossless music sound equipment of bluetooth according to claim 1, it is characterised in that: the Bluetooth signal receive and in
It entreats and keeps 5V output between controller and reduction voltage circuit, and reduction voltage circuit effect is that 7.4V voltage is reduced to 5V voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910038009.4A CN109640220A (en) | 2019-01-16 | 2019-01-16 | The lossless music sound equipment of bluetooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910038009.4A CN109640220A (en) | 2019-01-16 | 2019-01-16 | The lossless music sound equipment of bluetooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109640220A true CN109640220A (en) | 2019-04-16 |
Family
ID=66062123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910038009.4A Pending CN109640220A (en) | 2019-01-16 | 2019-01-16 | The lossless music sound equipment of bluetooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109640220A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203313385U (en) * | 2013-07-11 | 2013-11-27 | 深圳市爱美得科技有限公司 | Multifunctional bluetooth loudspeaker box |
| US20140098979A1 (en) * | 2012-10-09 | 2014-04-10 | Warren Robert Osborn | Battery-powered stereo speaker assembly having power connection for charging a handheld device |
| CN204993785U (en) * | 2015-07-20 | 2016-01-20 | 深圳市奥达森科技有限公司 | Novel multi -functional stereo set of bluetooth |
| CN205336508U (en) * | 2016-01-12 | 2016-06-22 | 东莞市唯尔声视听设备有限公司 | a bluetooth speaker |
| CN205454055U (en) * | 2015-12-22 | 2016-08-10 | 深圳市健宁科技有限公司 | A portable rechargeable bluetooth speaker |
| CN206452523U (en) * | 2017-02-10 | 2017-08-29 | 李振钰 | A kind of portable blue-tooth audio amplifier |
-
2019
- 2019-01-16 CN CN201910038009.4A patent/CN109640220A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140098979A1 (en) * | 2012-10-09 | 2014-04-10 | Warren Robert Osborn | Battery-powered stereo speaker assembly having power connection for charging a handheld device |
| CN203313385U (en) * | 2013-07-11 | 2013-11-27 | 深圳市爱美得科技有限公司 | Multifunctional bluetooth loudspeaker box |
| CN204993785U (en) * | 2015-07-20 | 2016-01-20 | 深圳市奥达森科技有限公司 | Novel multi -functional stereo set of bluetooth |
| CN205454055U (en) * | 2015-12-22 | 2016-08-10 | 深圳市健宁科技有限公司 | A portable rechargeable bluetooth speaker |
| CN205336508U (en) * | 2016-01-12 | 2016-06-22 | 东莞市唯尔声视听设备有限公司 | a bluetooth speaker |
| CN206452523U (en) * | 2017-02-10 | 2017-08-29 | 李振钰 | A kind of portable blue-tooth audio amplifier |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |
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| RJ01 | Rejection of invention patent application after publication |