CN206602636U - A kind of Baffle Box of Bluetooth circuit - Google Patents
A kind of Baffle Box of Bluetooth circuit Download PDFInfo
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- CN206602636U CN206602636U CN201720318301.8U CN201720318301U CN206602636U CN 206602636 U CN206602636 U CN 206602636U CN 201720318301 U CN201720318301 U CN 201720318301U CN 206602636 U CN206602636 U CN 206602636U
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- 230000005236 sound signal Effects 0.000 claims abstract description 40
- 238000004891 communication Methods 0.000 claims abstract description 9
- 230000003993 interaction Effects 0.000 claims abstract description 4
- 230000003321 amplification Effects 0.000 claims description 39
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 39
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005286 illumination Methods 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 21
- 230000009286 beneficial effect Effects 0.000 description 2
- 241001062009 Indigofera Species 0.000 description 1
- 206010034133 Pathogen resistance Diseases 0.000 description 1
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Abstract
The utility model discloses a kind of Baffle Box of Bluetooth circuit, including power supply power supply unit, for being powered to each unit circuit；CPU, for handling manipulation instruction and internal element communication interaction；Bluetooth module unit, for receive audio signal handled and by the audio signal after processing exported and for CPU carry out communication interact simultaneously output control signal；LED drive unit, the pwm signal output drive signal for receiving the output of bluetooth module unit；White led lamps lighting unit, switch and the brightness of LED are controlled for receiving the drive signal of LED drive unit output；Loudspeaker, sound wave outflow is converted to for receiving audio signal.It causes audio amplifier both to have original music playing function to the utility model, also dazzles the effect of lamp function integration with illumination.
Description
Technical field
The utility model is related to audio amplifier field, more particularly to a kind of Baffle Box of Bluetooth circuit.
Background technology
The raising lived with people, it is the continuous pursuit of people to enjoy life.Self-driving is traveled, field exploration, is encamped, friend
Friendly classmate's wild party etc., increasingly common, music is the eternal Background and sympathetic response point of these activities, and illumination is these activities
Requirement.When movable in the wild, especially should carry audio amplifier to evening need to take lighting apparatus with you again, increase many burdens.
The content of the invention
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of Baffle Box of Bluetooth circuit, and it makes
Obtaining audio amplifier both has original music playing function, also dazzles the effect of lamp function integration with illumination.
The purpose of this utility model is realized using following technical scheme：
A kind of Baffle Box of Bluetooth circuit, including：
Power supply power supply unit, for being powered to each unit circuit；
CPU, for handling manipulation instruction and internal element communication interaction；
Bluetooth module unit, for receive audio signal handled and the audio signal after processing is exported and
Interacted and output control signal for carrying out communication with CPU；
LED drive unit, the pwm signal output drive signal for receiving the output of bluetooth module unit；
White led lamps lighting unit, for receive LED drive unit output drive signal control LED switch and
Brightness；
Loudspeaker, sound wave outflow is converted to for receiving audio signal.
It is preferred that, the circuit also includes audio signal amplifying unit and power amplification unit, the audio signal amplification
Unit receives audio signal and is amplified audio signal and is output to bluetooth module unit and handled, the power amplification list
Member receives the good audio signal of bluetooth module cell processing, and carries out power amplification driving loudspeaker.
It is preferred that, the circuit also includes push-button unit, and the push-button unit is realized is converted to control by external key operation
Signal processed, and it is input to CPU progress operational order processing.
It is preferred that, the circuit also includes RGB driver elements and three-color LED light unit, and the RGB driver elements receive blue
The control signal of tooth modular unit output is handled, and output drive signal is to three-color LED light unit, the three-color LED light
The drive signal that unit receives the output of RGB driver elements is controlled to three-color LED light.
It is preferred that, the power supply power supply unit includes battery, booster circuit and power-switching circuit, the booster circuit
Cell voltage is subjected to boosting processing, the power-switching circuit carries out conversion output 5V to cell voltage or booster circuit voltage
And 3.3V, provide operating voltage for each unit circuit.
It is preferred that, the CPU includes chip U6, and the second pin of the chip U6, the 3rd pin lead to respectively
Cross resistance R93, resistance R155 to be connected with the power amplification unit, the 9th pin, the tenth pin and the bluetooth module unit
Connection, the 12nd pin is connected with the booster circuit, the 14th pin, the 16th pin, the 17th pin and push-button unit
Connection；The bluetooth module unit includes chip U2, the chip U2 models AB1520, the 3rd pin of the chip U2,
6th pin is connected with the push-button unit, and the seven, the 8th pins are connected with the CPU, the tenth pin, the tenth
One pin, the 17th pin, the 18th pin, the 31st pin are connected with the power amplification unit, the 37th pin,
38th pin is connected with the audio amplification unit.
It is preferred that, the audio amplification unit includes chip U4, and left channel audio signal is successively through resistance R74, electric capacity
C14, resistance R80, chip U4 the 6th pin are input to chip U4, the 7th pin, electric capacity C22 through chip U4 successively after amplification
Resistance R71 is exported；The right channel audio signal second pin input through resistance R75, electric capacity C16, resistance R65, chip U4 successively
To chip U4, the 1st pin through chip U4, electric capacity C23 resistance R70 outputs successively after amplification；The power amplification unit includes
Chip U201, the chip U201 model TAS5711, the audio signal exported through bluetooth module unit is successively through resistance
R172, chip U201 the 23rd pin are input to chip U201, by the audio signal after chip U201 processing all the way successively through core
Piece U201 the 45th pin, inductance L7 is output in loudspeaker, another road the 39th pin, electricity through chip U201 successively
Sense L4 is output in loudspeaker.
It is preferred that, the LED drive unit includes chip U5, and the pwm signal of the bluetooth module unit output is through resistance
R55, chip U5 the 4th pin input chip U5 processing, the 3rd pin through chip U5, the 5th pin output two-way letter
Number to white led lamps lighting unit；The white led lamps lighting unit includes white led lamps and current-limiting resistance, the current limliting electricity
Resistance and white led lamps are connected in series, and described white led lamps lighting unit one end connects the 3rd pin of the chip U5, another
The end connection chip U5 the 5th pin.
It is preferred that, the 5th pin and the 6th pin that the RGB driver elements include chip U1, the chip U1 are passed through respectively
Audio signal, the clock signal of resistance R76, resistance R77 reception bluetooth module unit output, the first pin of the chip U1,
7th pin, the 8th pin, the 9th pin, the tenth pin, the 11st pin, the 12nd pin, the 13rd pin, the 14th are drawn
Pin, the 15th pin, the 16th pin, the 17th pin, the 18th pin, the 19th pin, the 20th pin, the 21st
Pin, the 22nd pin, the 23rd pin export RGB drive signals to three-color LED light lighting unit, the three-color LED
Lamp lighting unit includes multiple three-color LED lights and multiple current-limiting resistances, the multiple current-limiting resistance and multiple three-color LED light strings
Connection, described RGB lamps lighting unit one end connects 3.3V power supplys, the 18 tunnels driving letter of other end connection RGB driver element outputs
Number.
It is preferred that, the booster circuit includes chip U102, the chip U102 the 11st pin connection battery, through core
Piece U102 the 13rd pin, inductance L9 output booster voltages；The voltage conversion circuit includes 5V change-over circuits, 3.3V first
Change-over circuit and the change-over circuits of 3.3V second, the 5V change-over circuits include chip U104, and the first of the chip U104 draws
Pin connects booster circuit output end, the 5th pin output conversion voltage of the chip U104, the change-over circuits of 3.3V first
Including chip U103, the first pin connection booster circuit output end of the chip U103, the 5th pin of the chip U103
Output conversion voltage, the change-over circuits of 3.3V second include chip U301, the first pin connection electricity of the chip U301
Pond, the 5th pin output conversion voltage of the chip U301.
Compared with prior art, the beneficial effects of the utility model are：Configured and connected by above each unit circuit, realized
Baffle Box of Bluetooth plays music and lamp integrated effect is dazzled in illumination.
Brief description of the drawings
Fig. 1 is the structural representation of Baffle Box of Bluetooth circuit in the utility model embodiment one；
Fig. 2 is booster circuit, 5V change-over circuits and 3.3V first voltage change-over circuit schematic diagrams；
Fig. 3 is 3.3V second voltage change-over circuit schematic diagrams；
Fig. 4 is the push-button unit circuit theory diagrams in Fig. 1；
Fig. 5 is the CPU circuit theory diagrams in Fig. 1；
Fig. 6 is the audio amplification unit circuit theory diagrams in Fig. 1；
Fig. 7 is the bluetooth module element circuit schematic diagram in Fig. 1；
Fig. 8 is the power amplification unit circuit theory diagrams in Fig. 1；
Fig. 9 is the LED drive unit circuit theory diagrams in Fig. 1；
Figure 10 is the White LED lighting unit circuit theory diagrams in Fig. 1；
Figure 11 is the RGB driver element circuit theory diagrams in Fig. 1；
Figure 12 is the three-color LED lighting unit circuit theory diagrams in Fig. 1.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further：
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
Such as Fig. 1, Fig. 1 is a kind of Baffle Box of Bluetooth circuit in the embodiment of the utility model one, and it includes：Power supply power supply unit
10, for being powered to each unit circuit, power supply power supply unit 10 specifically includes battery 11, booster circuit 12 and power supply
Cell voltage export after boosting processing by change-over circuit 13, booster circuit 12, power-switching circuit 13 to cell voltage and
Booster circuit voltage carries out conversion output 5V and 3.3V；Push-button unit 50, realizes external key operation being converted to control signal,
And it is input to the progress operational order processing of CPU 60；CPU 60, for handling manipulation instruction and inside
Unit communications are interacted；Audio signal amplifying unit 20, indigo plant is output to for receiving audio signal and being amplified audio signal
Tooth modular unit 30 is handled；Bluetooth module unit 30, is handled and by the audio after processing for receiving audio signal
Signal is exported and interacted and output control signal for carrying out communication with CPU；Power amplification unit 40, is used
The audio signal handled well in reception bluetooth module unit 30, and carry out power amplification driving loudspeaker 90；LED drive unit 80,
Pwm signal output drive signal for receiving the output of bluetooth module unit 30；White led lamps lighting unit 81, for receiving
The switch for the drive signal control LED that LED drive unit 80 is exported and brightness；RGB driver elements 70, for receiving bluetooth mould
The control signal of module unit output is simultaneously handled, and output drive signal is to three-color LED light unit after processing；Three-color LED light list
Member 71, the drive signal for receiving the output of RGB driver elements is controlled to three-color LED light；Loudspeaker 90, for receiving audio
Signal is converted to sound wave outflow.
Above section describes composition, respective effect and signal the transmission road of Baffle Box of Bluetooth circuit from whole circuit structure
Footpath, introduces the specific circuit diagram and operation principle of corresponding element circuit below.
As shown in Figure 2 and Figure 3, Fig. 2, Fig. 3 give the booster circuit and power-switching circuit in the present embodiment.In Fig. 2
In, booster circuit includes chip U102, chip U102 model MP9428, chip U102 the 11st pin connection battery, warp
Chip U102 the 13rd pin, inductance L9 output booster voltages；Voltage conversion circuit includes 5V change-over circuits, first turn of 3.3V
Circuit and the change-over circuits of 3.3V second are changed, 5V change-over circuits include chip U104, chip U104 model WL2851E50, core
Piece U104 the first pin connection booster circuit output end, chip U104 the 5th pin output conversion voltage, first turn of 3.3V
Changing circuit includes chip U103, chip U103 model WL2851E33, chip U103 the first pin connection booster circuit output
End, chip U103 the 5th pin output conversion voltage, in figure 3, the change-over circuits of 3.3V second include chip U301, chip
U301 model WL2801E33, chip U301 the first pin connection battery, chip U301 the 5th pin output conversion electricity
Pressure.Cell voltage provides operating voltage by booster circuit boosting output 10.5V for audio amplifier circuit, power amplification circuit,
5V voltage conversion circuits input 10.5V, and output 5V provide operating voltage, 3.3V first voltage change-over circuits for audio amplifier circuit
Output 3.3V provides operating voltage for power amplification circuit, and 3.3 second voltage change-over circuits are converted to 3.3V electricity through cell voltage
Press and provide operating voltage for CPU, RGB driver elements, three-color LED light lighting unit, battery is bluetooth module list
Member, LED drive unit etc. provide operating voltage.
Such as Fig. 4, Fig. 4 is that the button K1 in push-button unit circuit theory diagrams, push-button unit circuit is lighted out for three-color LED light
Close, button K2 is bluetooth module unit switch, button K3 is that broadcast sound volume increases button, and button K4 reduces for broadcast sound volume to be pressed
Key, button K5 is that white led lamps light switch.
Such as Fig. 5, Fig. 5 is central processor unit circuit theory diagrams, and CPU includes chip U6, chip U6 models
For N76E885, chip U6 second pin, the 3rd pin are connected by resistance R93, resistance R155 and power amplification unit respectively
Connect, to control power amplification unit multiplication factor so as to control the volume that loudspeaker are played, the 9th pin, the tenth pin and bluetooth
Modular unit is connected, and is interacted so as to realize and directly be communicated with bluetooth module unit, the 12nd pin is connected with booster circuit, is led to
Cross whether output signal control booster circuit exports booster voltage, the 14th pin, the 16th pin, the 17th pin and button
Unit is connected, and by connecting push-button unit, button operation is converted into signal control, whether loudspeaker are played and volume is controlled
System.
Such as Fig. 6, Fig. 6 is audio amplification unit circuit theory diagrams, and audio amplification unit includes chip U4, chip U4 model
For BA4580, sixth pin of the left channel audio signal successively through resistance R74, electric capacity C14, resistance R80, chip U4 is input to core
Piece U4, the 7th pin through chip U4, electric capacity C22 resistance R71 outputs successively after amplification；Right channel audio signal is successively through resistance
R75, electric capacity C16, resistance R65, chip U4 second pin are input to chip U4, after amplification successively the 1st pin through chip U4,
Electric capacity C23 resistance R70 is exported.
Such as Fig. 7, Fig. 7 is bluetooth module element circuit schematic diagram, and bluetooth module unit includes chip U2, chip U2 models
AB1520, chip U2 the 3rd pin, the 6th pin are connected with push-button unit, by connecting push-button unit, and button operation is turned
Signal control is changed to, white led lamps are lighted and the control of bright darkness, the seven, the 8th pins are connected with CPU,
Realize communication interaction between the two, the tenth pin, the 11st pin, the 17th pin, the 18th pin, the 31st pin
It is connected with power amplification unit, the 37th pin, the 38th pin are connected with audio amplification unit.
Such as Fig. 8, Fig. 8 is power amplification unit circuit theory diagrams, and power amplification unit includes chip U201, chip U201 types
Number it is TAS5711, the 23rd pin through resistance R172, chip U201 is inputted the audio signal exported through bluetooth module unit successively
To chip U201, by the audio signal after chip U201 processing the 45th pin, inductance L7 through chip U201 successively all the way
It is output in loudspeaker, the 39th pin, inductance L4 through chip U201 are output in loudspeaker successively on another road.
Such as Fig. 9, Fig. 9 is LED drive unit circuit theory diagrams, and LED drive unit includes chip U5, chip U5 models
WD3131, fourth pin input chip U5 processing of the pwm signal through resistance R55, chip U5 of bluetooth module unit output,
Between the 3rd pin through chip U5, the 5th pin output two paths of signals to white led lamps lighting unit, the two paths of signals of output
There is underrange voltage difference, be controlled according to PWM accounting.
Such as Figure 10, Figure 10 is white led lamps lighting unit circuit theory diagrams, and white led lamps lighting unit includes White LED
Lamp and current-limiting resistance, current-limiting resistance and white led lamps are connected in series, and the of white led lamps lighting unit one end connection chip U5
Three pins, other end connection chip U5 the 5th pin, by controlling the dutycycle of pwm signal, chip U5 the 3rd pin, the
The voltage difference alterable of five pin two ends output, when both end voltage difference diminishes, white led lamps are just dimmed, and similarly voltage difference becomes big,
White led lamps just become brighter.
Such as Figure 11, Figure 11 is RGB driver element circuit theory diagrams, and RGB driver elements include chip U1, chip U1 models
SN3218, chip U1 the 5th pin and the 6th pin receive the output of bluetooth module unit through resistance R76, resistance R77 respectively
Audio signal, clock signal, chip U1 the first pin, the 7th pin, the 8th pin, the 9th pin, the tenth pin, the 11st
Pin, the 12nd pin, the 13rd pin, the 14th pin, the 15th pin, the 16th pin, the 17th pin, the 18th
Pin, the 19th pin, the 20th pin, the 21st pin, the 22nd pin, the output RGB drivings of the 23rd pin
Signal exports 18 tunnel control signals so that 18 to three-color LED light lighting unit according to the audio signal, clock signal that receive
Three-color LED light lights the light for sending various red blue yellow three kinds of integrating colours.
Such as Figure 12, Figure 12 is three-color LED light lighting unit circuit theory diagrams, and three-color LED light lighting unit includes multiple three
Color LED and multiple current-limiting resistances, multiple current-limiting resistances are connected with multiple three-color LED lights, the connection of RGB lamp lighting units one end
3.3V power supplys, 18 road drive signals of other end connection RGB driver element outputs.
The beneficial effects of the utility model are：By set power supply power supply unit for each unit circuit provide work electricity
Pressure, by setting audio amplification unit, bluetooth module unit, power amplification unit, loudspeaker to realize the broadcasting of audio amplifier audio sound,
By setting LED drive unit, white led lamps lighting unit, RGB driver elements, three-color LED light lighting unit to realize illumination
And lamp effect is dazzled, by setting push-button unit, CPU to realize manipulation reciprocation.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of the utility model claim
Within the scope of.
Claims (10)
1. a kind of Baffle Box of Bluetooth circuit, it is characterised in that：Including
Power supply power supply unit, for being powered to each unit circuit；
CPU, for handling manipulation instruction and internal element communication interaction；
Bluetooth module unit, is handled for receiving audio signal and the audio signal after processing is exported and is used for
Communication is carried out with CPU to interact and output control signal；
LED drive unit, the pwm signal output drive signal for receiving the output of bluetooth module unit；
White led lamps lighting unit, for receive LED drive unit output drive signal control white led lamps switch and
Brightness；
Loudspeaker, sound wave outflow is converted to for receiving audio signal.
2. Baffle Box of Bluetooth circuit as claimed in claim 1, it is characterised in that the circuit also includes audio signal amplifying unit
And power amplification unit, the audio signal amplifying unit, which receives audio signal and is amplified audio signal, is output to bluetooth
Modular unit is handled, and the power amplification unit receives the audio signal after bluetooth module cell processing, and carries out power
Amplification driving loudspeaker.
3. Baffle Box of Bluetooth circuit as claimed in claim 2, it is characterised in that the circuit also includes push-button unit, described to press
Key unit is realized is converted to control signal by external key operation, and is input to CPU progress operational order processing.
4. Baffle Box of Bluetooth circuit as claimed in claim 1, it is characterised in that the circuit also includes RGB driver elements and three
Color LED lamp unit, the control signal that the RGB driver elements receive the output of bluetooth module unit is handled, and output driving
Signal is to three-color LED light unit, and the three-color LED light unit receives the drive signal of RGB driver elements output to three-color LED light
It is controlled.
5. Baffle Box of Bluetooth circuit as claimed in claim 3, it is characterised in that the power supply power supply unit includes battery, boosting
Cell voltage is carried out boosting processing by circuit and power-switching circuit, the booster circuit, and the power-switching circuit is to electricity
Cell voltage or booster circuit voltage carry out conversion output 5V and 3.3V, and operating voltage is provided for each unit circuit.
6. Baffle Box of Bluetooth circuit as claimed in claim 5, it is characterised in that the CPU includes chip U6, institute
Chip U6 second pin, the 3rd pin is stated to be connected with the power amplification unit by resistance R93, resistance R155 respectively, the
Nine pins, the tenth pin are connected with the bluetooth module unit, and the 12nd pin is connected with the booster circuit, and the 14th draws
Pin, the 16th pin, the 17th pin are connected with push-button unit；The bluetooth module unit includes chip U2, the chip U2
Model AB1520, the 3rd pin, the 6th pin of the chip U2 are connected with the push-button unit, the seven, the 8th pins with
CPU connection, the tenth pin, the 11st pin, the 17th pin, the 18th pin, the 31st pin with
The power amplification unit connection, the 37th pin, the 38th pin are connected with the audio amplification unit.
7. Baffle Box of Bluetooth circuit as claimed in claim 2, it is characterised in that the audio amplification unit includes chip U4, left
Sixth pin of the channel audio signal successively through resistance R74, electric capacity C14, resistance R80, chip U4 is input to chip U4, after amplification
The 7th pin through chip U4, electric capacity C22 resistance R71 outputs successively；Right channel audio signal successively through resistance R75, electric capacity C16,
Resistance R65, chip U4 second pin are input to chip U4, the 1st pin through chip U4, electric capacity C23 resistance successively after amplification
R70 is exported；The power amplification unit includes chip U201, and the audio signal exported through bluetooth module unit is successively through resistance
R172, chip U201 the 23rd pin are input to chip U201, by the audio signal after chip U201 processing all the way successively through core
Piece U201 the 45th pin, inductance L7 is output in loudspeaker, another road the 39th pin, electricity through chip U201 successively
Sense L4 is output in loudspeaker.
8. Baffle Box of Bluetooth circuit as claimed in claim 1, it is characterised in that the LED drive unit includes chip U5, described
Fourth pin input chip U5 processing of the pwm signal of bluetooth module unit output through resistance R55, chip U5, through chip
U5 the 3rd pin, the 5th pin exports two paths of signals to white led lamps lighting unit；The white led lamps lighting unit bag
LED and current-limiting resistance are included, the current-limiting resistance and LED are connected in series, described white led lamps lighting unit one end connects institute
Chip U5 the 3rd pin is stated, the other end connects the 5th pin of the chip U5.
9. Baffle Box of Bluetooth circuit as claimed in claim 4, it is characterised in that the RGB driver elements include chip U1, described
Chip U1 the 5th pin and the 6th pin are believed through resistance R76, resistance the R77 audio for receiving the output of bluetooth module unit respectively
Number, clock signal, the first pin of the chip U1, the 7th pin, the 8th pin, the 9th pin, the tenth pin, the 11st are drawn
Pin, the 12nd pin, the 13rd pin, the 14th pin, the 15th pin, the 16th pin, the 17th pin, the 18th are drawn
Pin, the 19th pin, the 20th pin, the 21st pin, the 22nd pin, the 23rd pin output RGB driving letters
Number to three-color LED light lighting unit, the three-color LED light lighting unit includes multiple three-color LED lights and multiple current-limiting resistances, institute
State multiple current-limiting resistances to connect with multiple three-color LED lights, described RGB lamps lighting unit one end connects 3.3V power supplys, the other end connects
Connect 18 road drive signals of RGB driver elements output.
10. the Baffle Box of Bluetooth circuit described in claim 5, it is characterised in that the booster circuit includes chip U102, the core
Piece U102 the 11st pin connection battery, the 13rd pin through chip U102, inductance L9 output booster voltages；The voltage
Change-over circuit includes 5V change-over circuits, the change-over circuits of 3.3V first and the change-over circuits of 3.3V second, the 5V change-over circuits bag
Chip U104, the chip U104 the first pin connection booster circuit output end are included, the 5th pin of the chip U104 is defeated
Go out and change voltage, the change-over circuits of 3.3V first include chip U103, the chip U103 the first pin connection boosting electricity
Road output end, the 5th pin output conversion voltage of the chip U103, the change-over circuits of 3.3V second include chip U301,
The first pin connection battery of the chip U301, the 5th pin output conversion voltage of the chip U301.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720318301.8U CN206602636U (en) | 2017-03-29 | 2017-03-29 | A kind of Baffle Box of Bluetooth circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720318301.8U CN206602636U (en) | 2017-03-29 | 2017-03-29 | A kind of Baffle Box of Bluetooth circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206602636U true CN206602636U (en) | 2017-10-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720318301.8U Expired - Fee Related CN206602636U (en) | 2017-03-29 | 2017-03-29 | A kind of Baffle Box of Bluetooth circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206602636U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235512A (en) * | 2018-01-03 | 2018-06-29 | 深圳创维－Rgb电子有限公司 | A kind of electrical equipment, audible spectrum display circuit and its control method |
| CN113329307A (en) * | 2021-06-01 | 2021-08-31 | 惠州市深科信飞科技有限公司 | Vehicle-mounted sound box driving circuit and driving method |
-
2017
- 2017-03-29 CN CN201720318301.8U patent/CN206602636U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235512A (en) * | 2018-01-03 | 2018-06-29 | 深圳创维－Rgb电子有限公司 | A kind of electrical equipment, audible spectrum display circuit and its control method |
| CN113329307A (en) * | 2021-06-01 | 2021-08-31 | 惠州市深科信飞科技有限公司 | Vehicle-mounted sound box driving circuit and driving method |
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