CN205620732U - Acoustic control light cube based on singlechip - Google Patents
Acoustic control light cube based on singlechip Download PDFInfo
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- CN205620732U CN205620732U CN201620309441.4U CN201620309441U CN205620732U CN 205620732 U CN205620732 U CN 205620732U CN 201620309441 U CN201620309441 U CN 201620309441U CN 205620732 U CN205620732 U CN 205620732U
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Abstract
The utility model belongs to the technical field of the LED three dimensional display device, concretely relates to acoustic control light cube based on singlechip, including first singlechip, drive unit, latch unit, display element and for the electrical unit of mains power supply, first singlechip and drive unit with latch the unit connection, drive unit with latch the unit and be connected with display element respectively, still include second single -chip microcomputer, sound detection unit, music broadcast unit and audio frequency detecting element, audio frequency detecting element passes through to have priority display element 0 and is connected with first singlechip, signal that first singlechip priority processing audio frequency detecting element detected, the output of sound detection unit is connected with second single -chip microcomputer's input, and second single -chip microcomputer's output passes through relay unit to be connected with the music broadcast unit, second single -chip microcomputer and first singlechip communication connection. The utility model discloses simple structure, third dimension are stronger.
Description
Technical field
This utility model belongs to LED three-dimensional display apparatus technical field, is specifically related to a kind of SCM Based sound-control light
Cube.
Background technology
LED display is quite extensive, at industrial site, commercial street, public place of entertainment with the application of two dimension advertisement running lamp at present
It can be seen that their figure, but these application are all two dimension displays, and display picture is single, it is impossible to demonstrate three dynamically
Dimension solid figure, excessively simple for public place of entertainment obviously their display effect, third dimension is more weak, and sight is poor.Therefore,
Flexible and changeable, bright and colourful stereoscopic three-dimensional image LED can be produced show, unprecedented regarding will be brought to our life
Feel new experience.
Utility model content
The purpose that this utility model is new be to provide a kind of simple in construction, can be the most three-dimensional according to music Dynamic Announce
The SCM Based sound-control light cube of solid figure.
For achieving the above object, this utility model by the following technical solutions: a kind of SCM Based sound-control light cube,
Including the first single-chip microcomputer, driver element, latch units, display unit be the power subsystem of system power supply, described first monolithic
The outfan of machine input with driver element and latch units respectively is connected, and the outfan of driver element and latch units is respectively
Being connected with the input of display unit, described display unit is the 8*8*8 cube matrix display being made up of 512 LED,
Cube matrix display is eight layers, and the negative electrode of each layer of LED connects together, and the anode of each perpendicular row LED is connected to
Together, the outfan of described driver element is connected the negative electrode as each layer of LED and drives with each layer of LED negative electrode, described
The outfan of latch units is connected the anode drive as each perpendicular row LED with the anode of each perpendicular row LED；Also include
Two single-chip microcomputers, there are sound detector unit, music unit and for detecting music audio signal for detect the presence of sound
Audio detection unit, described audio detection unit is by the connection of priority encoding unit and the first single-chip microcomputer；Described sound detection
The outfan of unit is connected with the input of second singlechip, and the outfan of second singlechip is broadcast with music by relay unit
Put unit to connect；Second singlechip and the first single chip communication connect.
Described audio detection unit include extremely low audio detection module, middle bass detection module, bass detection module,
Sound intermediate frequency detection module, mid-high voice frequency detection module, high audio detection module, high audio detection module.
Also including the loudness of a sound detector unit for detecting music loudness of a sound signal, the outfan of loudness of a sound detector unit passes through A/D
Converting unit is connected with second singlechip.
Described first single-chip microcomputer and second singlechip all use enhancement mode 8051 single-chip microcomputer STC12C5A60S2.
Described driver element uses eight road NPN Darlington transistor drivers ULN2803A.
Described latch units uses eight 74HC573 latch.
Described priority encoding unit uses 74HC148 priority encoder.
Compared with prior art, the beneficial effects of the utility model are:
1, the acoustical signal detected is sent to second singlechip by the sound detection unit in this utility model, and second is single
The signal received is analyzed processing by sheet machine, and when sound detection unit has detected sound, second singlechip controls relay
Device unit obtains electric, and the normally open contact Guan Bi of relay unit, music unit starting, second singlechip is simultaneously to the first monolithic
Machine sends signal, and standby cartoon picture jumped out by the first Single-chip Controlling display unit, after display unit shows default animation, and first
Single-chip microcomputer just starts to process audio detection unit and the signal of loudness of a sound detector unit detection, controls display unit and shows and now sound
Happy corresponding 3D figure.Owing to display unit is the 8*8*8 cube matrix display being made up of 512 LED, there is three-dimensional
The feature that animation sense is strong, sight is good, cost performance is high, can be applicable to the advertisement running lamp of three-dimensional, urban landscape, outdoor scene
Etc. various fields；
2, the audio detection unit in this utility model includes 7 audio detection modules, from extremely low audio frequency to high audio frequency
7 frequency ranges, respectively corresponding 7 audio detection modules, the output signal of audio detection unit connects 74HC148 priority encoder
Input, the output of 74HC148 priority encoder terminates the first single-chip microcomputer, the first single-chip microcomputer priority treatment audio detection unit inspection
The signal measured；And control display unit and show corresponding 3D animated graphics；
3, the loudness of a sound detector unit detection range in of the present utility model is big, it is possible to each sound of detection music, and
The loudness of a sound signal detected is sent to second singlechip after A/D converting unit conversion process, when 7 audio detection modules are equal
During the consistent frequency of the fixed frequency that can't detect and be previously set, the first single-chip microcomputer just can process loudness of a sound detector unit and pass through A/
There is the music loudness of a sound signal now of coming in D conversion unit and second singlechip, then the first single-chip microcomputer sends command adapted thereto control
Display unit processed shows 3D animated graphics corresponding with music this moment；The application of loudness of a sound detector unit is perfect audio detection unit
The problem that detection range is little.
Accompanying drawing explanation
Fig. 1 is control principle block diagram of the present utility model；
Fig. 2 is sound detection unit testing circuit schematic diagram of the present utility model.
Detailed description of the invention
The utility model discloses a kind of SCM Based sound-control light cube, as it is shown in figure 1, include the first single-chip microcomputer,
Second singlechip, for detecting the presence of the sound detection unit of sound, music unit, audio detection unit and for detecting
The loudness of a sound detector unit of music loudness of a sound signal, driver element, latch units, display unit and be the power subsystem of system power supply,
First single-chip microcomputer and second singlechip all use enhancement mode 8051 single-chip microcomputer STC12C5A60S2, and driver element uses eight road NPN
Darlington transistor driver ULN2803A, latch units use eight 74HC573 latch, the outfan of the first single-chip microcomputer respectively with
The input of driver element and latch units connects；Display unit is that the 8*8*8 cube dot matrix being made up of 512 LED shows
Show device, have the advantages that three-dimensional animation sense is strong, sight is good, cost performance is high, can be applicable to the advertisement running lamp of three-dimensional, city
The various fields such as night scene, outdoor scene；Cube matrix display is eight layers, and the negative electrode of each layer of LED connects together, often
One layer of LED has a common cathode pin, altogether eight negative electrode pins, outfan corresponding to driver ULN2803A respectively with
Eight negative electrode pins connect, and the negative electrode as each layer of LED drives；The LED of each perpendicular row of cube matrix display
Anode link together, 64 anode pins altogether, 64 anode pins every eight be one group respectively with eight latch
Outfan corresponding for 74HC573 connects, and latch units is as the anode drive of each perpendicular row LED.Operation principle: divide from layer
Analysis, each layer has the LED of 64 common cathodes, and the anode of the LED of these 64 common cathodes independently controls, and is independent of each other；From row
Analyzing, this cube matrix display has the row of 64 vertical directions, each LED showing eight common anodes, these eight LED
Negative electrode owing to being in different layers, therefore can independently control, be independent of each other.When wanting to light a LED, then have only to
The row high level at this LED place, to the layer low level at this LED place, this LED will be by the electricity of forward
Pressure, thus be lit.
The outfan of sound detection unit is connected with the input of second singlechip, and the outfan of second singlechip is by continuing
Electric appliance unit is connected with music unit；Sound detection unit includes mike and twin voltage comparator (LM393) U1, sound
When detector unit has detected sound, i.e. mike pickup acoustical signal, and acoustical signal is converted into the signal of telecommunication, and lead to successively
Cross amplifying circuit and twin voltage comparator U1 be amplified comparison process after be sent to second singlechip, second singlechip is to reception
Signal carry out processing and control relay unit and obtain electric, the normally open contact Guan Bi of relay unit, music unit starting；
Second singlechip sends signal to the first single-chip microcomputer simultaneously, and standby cartoon picture jumped out by the first Single-chip Controlling display unit, and
After animation is preset in display, the first single-chip microcomputer just starts to process audio detection unit and the signal of loudness of a sound detector unit detection, control
Display unit processed shows 3D animated graphics corresponding with now music.
Sound detection unit testing circuit schematic diagram is as in figure 2 it is shown, the pin 2 of mike connects electricity by the first resistance R1
Source, pin 1 ground connection, it is connected in parallel the 4th resistance R4 and the 3rd electric capacity C3 between pin 2 and the pin 1 of mike, mike
Pin 2 is connected by the base stage of the first electric capacity C1 and audion T1, and the base stage of audion T1 connects power supply by the second resistance R2, and three
The colelctor electrode of pole pipe T1 connects power supply by the 3rd resistance R3, and the colelctor electrode of audion T1 passes through the 4th electric capacity C4 ground connection, audion
The grounded emitter of T1, the colelctor electrode of audion T1 is connected with the pin 3 of twin voltage comparator (LM393) U1, and twin voltage compares
Pin 4 ground connection of device U1, the pin 8 of twin voltage comparator UI connects power supply, and the pin 8 of twin voltage comparator U1 is also by the second electricity
Holding C2 ground connection, the pin 2 of twin voltage comparator U1 connects reference voltage source；The pin 3 of electric wire connecting junction P3 connects power supply, and electric wire connecting junction P3 draws
Foot 2(earth terminal) connected by the negative pole of the 5th resistance R5 and the first light emitting diode D1, the positive pole of the first light emitting diode D1
Connect power supply；The pin 1(outfan of electric wire connecting junction P3) connected by the negative pole of the 6th resistance R6 and the second light emitting diode D2, second
The positive pole of light emitting diode D2 connects power supply, and the positive pole of the second light emitting diode D2 and first end of the 7th resistance R7 connect, and the 7th
Second end of resistance R7 is connected with the pin 1 of electric wire connecting junction P3, first end of the 7th resistance R7 also with first end of swept resistance R8
Connecting, the second end ground connection of swept resistance R8, the sliding end of swept resistance R8 is connected with the pin 2 of twin voltage comparator U1, double
The pin 1 of voltage comparator U1 is connected with the input of second singlechip.
When energized, the first light emitting diode D1(power supply indicator) bright, when there being sound in environment, mike picks up
Taking acoustical signal and acoustical signal is converted to the signal of telecommunication, the signal of telecommunication now is delivered to double electricity after audion T1 processing and amplifying
Pressure comparator U1, the signal that mike is collected by twin voltage comparator U1 compares with reference voltage signal, when not having sound
When sound or sound are the least, the voltage ratio of twin voltage comparator U1 pin 3 is higher, when the voltage of twin voltage comparator U1 pin 3
Higher than the voltage (reference voltage value) of pin 2, twin voltage comparator U1 pin 1 exports high level, the second light emitting diode D2(sound
Sound display lamp) go out；When there being sound, the voltage of twin voltage comparator U1 pin 3 is less than the voltage (reference voltage value) of pin 2,
Twin voltage comparator U1 pin 1 output low level, the second light emitting diode D2(sound display lamp) bright, second singlechip controls to continue
Electric appliance unit obtains electric, music unit starting, can be changed by regulation swept resistance R8 and be input to twin voltage comparator U1
The reference voltage value of pin 3, thus it is possible to vary the size of the virtual value of mike collected sound signal, i.e. can change sound inspection
Survey unit and detect the size of effective sound.
Audio detection unit includes extremely low audio detection module, middle bass detection module, bass detection module, middle pitch
Frequently detection module, mid-high voice frequency detection module, high audio detection module and high audio detection module, audio detection unit passes through
The input of priority encoding unit and the first single-chip microcomputer connects, and 7 audio detection modules all use LM567 frequency discriminator block, 7 sounds
Frequently corresponding 7 the LM567 frequency discriminator block of detection module, LM567 frequency discriminator block uses mike pickup acoustical signal, and carries out it
2 grades of processing and amplifying, then carry out frequency discrimination identification, i.e. compare with the fixed frequency being previously set, work as frequency signal
Time identical, exporting an on-off model, reach the purpose to fixed frequency audio identification, then output corresponding signal is given
74HC148 priority encoder, priority encoder sends correspondence after encoding and encodes to the first single-chip microcomputer, and the first single-chip microcomputer is excellent
First process the signal that detects of audio detection unit, and control display unit and show 3D animated graphics corresponding with music.Originally set
7 audio detection modules detection audio frequencies corresponding extremely low audio frequency respectively in meter are in 7 frequency ranges of high audio frequency
Fixed frequency, being divided into of seven section audio frequency ranges: extremely low audio section 20 ~ 40HZ, middle bass frequency range 40 ~ 150HZ, bass frequency range
150 ~ 500HZ, middle pitch frequency range 500 ~ 2KHZ, alt frequency range 2K ~ 5KHZ, high pitch frequency range 5K ~ 10KHZ, high audio section 10 ~
20KHZ；Bass in 40HZ frequency in the corresponding extremely low audio section of extremely low audio detection module, middle bass detection module correspondence
In 100HZ frequency in Duan, the 300HZ frequency in bass detection module correspondence bass frequency range, sound intermediate frequency detection module correspondence
1200HZ frequency in audio section, the 3000HZ frequency in mid-high voice frequency detection module correspondence alt frequency range, high audio detect
10KHZ frequency in the corresponding high audio section of 7KHZ frequency in module correspondence high pitch frequency range, high audio detection module.Such as table
1 is 7 audio detection module output interpretations of result.
Table 1
。
Loudness of a sound detector unit uses LM386 module, and LM386 module is a kind of audio collection power amplifier, has self
Low in energy consumption, update in the advantages such as chain adjustable gain is whole, supply voltage scope is big, outward element is few and total harmonic distortion is little.Loudness of a sound
The outfan of detector unit is connected with second singlechip by A/D converting unit, and A/D converting unit uses ADC0809 chip,
The miaow head of LM386 module can detect the change of musical sound intensity, and musical sound strength signal is converted into the signal of telecommunication through merit
Rate amplifier LM386 is sent to A/D converting unit after being amplified processing and changes, the electricity that A/D converting unit will receive
Signal is converted to digital signal and is sent to second singlechip, second singlechip by the digital signal received with its inside deposit in advance
The numeral that each loudness of a sound section of storage is corresponding is compared, and analyzes received signal and belongs to which loudness of a sound scope, then process is tied
Fruit is sent to the first single-chip microcomputer, for the first single-chip microcomputer reference, only can't detect and consolidating of being previously set when audio detection unit
When determining the consistent signal of frequency, the first single-chip microcomputer just can process the note that loudness of a sound detector unit is sent by second singlechip
Strong signal, and send instruction to driver element and/or latch units according to the signal received, control display unit show and
Now music corresponding 3D animated graphics, the application of loudness of a sound detector unit, it is perfect, and audio detection unit detection range is little
Problem.
Owing to the design is provided with priority treatment grade, audio detection unit and loudness of a sound detector unit two-way synchronous detecting,
Detection results is good.
Operation principle: open working power, display unit shows that standby animation, sound detection unit detect whether sound
Sound, when can't detect sound, display unit still shows standby animation；When sound having been detected, sound detection unit to
Second singlechip sends signal, and second singlechip controls relay unit action, and music unit starting commences play out music；
Meanwhile, second singlechip sends signal to the first single-chip microcomputer, and the first single-chip microcomputer controls display unit after receiving signal and jumps out and treat
Motor-driven picture shows corresponding preset pattern.
Priority encoding unit, priority encoder it is sent to after the acoustic musical signals processing that audio detection unit will detect
74HC148 sends correspondence coding and processes, to the first single-chip microcomputer, the first single-chip microcomputer, the signal received after encoding it
And send command adapted thereto to driver element and/or latch units, control display unit and show the 3D animated graphics with music change.
It is single that the signal detected is passed sequentially through A/D converting unit by loudness of a sound detector unit, second singlechip is sent to first
Sheet machine, the signal received is processed and sends command adapted thereto to driver element and/or latch units, controlling by the first single-chip microcomputer
Display unit shows the 3D animated graphics with music change.
This utility model simple in construction, audio detection unit and loudness of a sound detector unit two-way synchronous detecting, Detection results is good,
Display unit can be made according to music Dynamic Announce corresponding 3D figure, there is three-dimensional animation sense good, cost performance strong, ornamental
High feature.
Claims (7)
1. a SCM Based sound-control light cube, including the first single-chip microcomputer, driver element, latch units, display unit and
For the power subsystem of system power supply, the outfan of described first single-chip microcomputer is respectively with the input of driver element and latch units even
Connecing, the outfan of driver element and latch units is connected with the input of display unit respectively, and described display unit is by 512
The 8*8*8 cube matrix display of LED composition, cube matrix display is eight layers, and the negative electrode of each layer of LED connects
To together, the outfan of driver element is connected the negative electrode as each layer of LED and drives with each layer of LED negative electrode, each perpendicular
The anode of row LED links together, and the outfan of latch units is connected as each perpendicular row with the anode of each perpendicular row LED
The anode drive of LED；It is characterized in that: also include second singlechip, for detecting the presence of the sound detection unit of sound, sound
Happy broadcast unit and for detecting the audio detection unit of music audio signal, described audio detection unit passes through priority encoding list
Unit is connected with the first single-chip microcomputer；The described outfan of sound detection unit is connected with the input of second singlechip, the second monolithic
The outfan of machine is connected with music unit by relay unit；Second singlechip and the first single chip communication connect.
SCM Based sound-control light cube the most as claimed in claim 1, it is characterised in that: described audio detection unit includes
Extremely low audio detection module, middle bass detection module, bass detection module, sound intermediate frequency detection module, mid-high voice frequency detect
Module, high audio detection module, high audio detection module.
SCM Based sound-control light cube the most as claimed in claim 1, it is characterised in that: also include for detecting note
The loudness of a sound detector unit of strong signal, the outfan of loudness of a sound detector unit is connected with second singlechip by A/D converting unit.
4. the SCM Based sound-control light cube as described in claim 1-3 is arbitrary, it is characterised in that: described first single-chip microcomputer
Enhancement mode 8051 single-chip microcomputer STC12C5A60S2 is all used with second singlechip.
5. the SCM Based sound-control light cube as described in claim 1-3 is arbitrary, it is characterised in that: described driver element is adopted
By eight road NPN Darlington transistor drivers ULN2803A.
6. the SCM Based sound-control light cube as described in claim 1-3 is arbitrary, it is characterised in that: described latch units is adopted
With eight 74HC573 latch.
7. the SCM Based sound-control light cube as described in claim 1-3 is arbitrary, it is characterised in that: described priority encoding list
Unit uses 74HC148 priority encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620309441.4U CN205620732U (en) | 2016-04-14 | 2016-04-14 | Acoustic control light cube based on singlechip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620309441.4U CN205620732U (en) | 2016-04-14 | 2016-04-14 | Acoustic control light cube based on singlechip |
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| Publication Number | Publication Date |
|---|---|
| CN205620732U true CN205620732U (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620309441.4U Expired - Fee Related CN205620732U (en) | 2016-04-14 | 2016-04-14 | Acoustic control light cube based on singlechip |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106780911A (en) * | 2016-12-30 | 2017-05-31 | 西南石油大学 | A kind of gate inhibition's voice coding, decoding system and method |
| CN108888949A (en) * | 2018-09-17 | 2018-11-27 | 龙岩学院 | A kind of game interaction means and method based on Arduino |
| CN109118981A (en) * | 2018-09-27 | 2019-01-01 | 深圳市眼界科技有限公司 | Acoustic control matrix wall data interactive method, device and system |
| CN110190892A (en) * | 2019-06-13 | 2019-08-30 | 上海彩虹鱼海洋科技股份有限公司 | Short message receive-transmit system |
| CN110896575A (en) * | 2019-12-17 | 2020-03-20 | 常州机电职业技术学院 | LED three-section voltage display circuit and LED display method |
| CN112530432A (en) * | 2020-12-01 | 2021-03-19 | 苏州三六零智能安全科技有限公司 | Dynamic display system, device and method |
-
2016
- 2016-04-14 CN CN201620309441.4U patent/CN205620732U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106780911A (en) * | 2016-12-30 | 2017-05-31 | 西南石油大学 | A kind of gate inhibition's voice coding, decoding system and method |
| CN106780911B (en) * | 2016-12-30 | 2019-02-12 | 西南石油大学 | A kind of gate inhibition's voice coding, decoding system and method |
| CN108888949A (en) * | 2018-09-17 | 2018-11-27 | 龙岩学院 | A kind of game interaction means and method based on Arduino |
| CN109118981A (en) * | 2018-09-27 | 2019-01-01 | 深圳市眼界科技有限公司 | Acoustic control matrix wall data interactive method, device and system |
| CN110190892A (en) * | 2019-06-13 | 2019-08-30 | 上海彩虹鱼海洋科技股份有限公司 | Short message receive-transmit system |
| CN110896575A (en) * | 2019-12-17 | 2020-03-20 | 常州机电职业技术学院 | LED three-section voltage display circuit and LED display method |
| CN110896575B (en) * | 2019-12-17 | 2021-08-20 | 常州机电职业技术学院 | LED three-section voltage display circuit and LED display method |
| CN112530432A (en) * | 2020-12-01 | 2021-03-19 | 苏州三六零智能安全科技有限公司 | Dynamic display system, device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20170414 |
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| CF01 | Termination of patent right due to non-payment of annual fee |