CN110120192A - A kind of Multifunctional LED dot matrix display screen - Google Patents
A kind of Multifunctional LED dot matrix display screen Download PDFInfo
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- CN110120192A CN110120192A CN201910500089.0A CN201910500089A CN110120192A CN 110120192 A CN110120192 A CN 110120192A CN 201910500089 A CN201910500089 A CN 201910500089A CN 110120192 A CN110120192 A CN 110120192A
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- 238000004891 communication Methods 0.000 claims description 27
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- 239000003034 coal gas Substances 0.000 claims description 17
- 230000000007 visual effect Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 5
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0212—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Computer Hardware Design (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of Multifunctional LED dot matrix display screens, are related to LED dot matrix display screen technical field, solve the technical issues of single tableaux can only be presented in LED display in the prior art.Including control panel, installing frame, LED dot matrix screen and MCU controller, MCU controller is mounted on control panel, control panel is fixed in installing frame, LED dot matrix screen is mounted on installing frame by bolt, and the audible spectrum data acquisition circuit being connected by AD analog-to-digital conversion interface with MCU controller is integrated on control panel.The present invention is using LED dot matrix screen as carrier, when playing music, audible spectrum data acquisition circuit on control panel acquires audio signal, MCU controller carries out Fast Fourier Transform (FFT) (FFT) processing to audio signal, it calculates the frequency spectrum of audio and is sent to LED dot matrix screen and show, so that the picture of frequency spectrum is beated with the rhythm of music, is able to use family and experiences the impact of music bring from the sense of hearing and visually.
Description
Technical field
The present invention relates to LED dot matrix display screen technical fields, specifically, refer to a kind of Multifunctional LED lattice display
Screen.
Background technique
LED electronic display by it is tens of thousands of to hundreds of thousands semiconductor light-emitting-diode pixel it is evenly distributed form it is aobvious
Display screen, it can manufacture the LED pixel point of different color using different materials.With the development and people's material and culture of society
Horizontal raising, family, public place of entertainment, public place decoration have become people and live indispensable a part, people
It is also higher and higher to the sense of hearing, the visual requirement in living environment.
LED display in the prior art often has a single function, and the picture presented is single tableaux, Zhi Nengxian
Show static text information, cause LED display entertainment in technology, interactive poor so that its usually can only by with
Used in advertising, therefore it provides a kind of Multifunctional LED dot matrix display screen, be those skilled in the art urgently
The technical issues of solution.
Summary of the invention
In view of this, it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of Multifunctional LED dot matrix to show
Display screen, to solve the technical issues of single tableaux can only be presented in LED display in the prior art.
The present invention solves technical solution used by the technical problem:
A kind of Multifunctional LED dot matrix display screen, including control panel, installing frame, LED dot matrix screen and MCU control are provided
Device, the MCU controller are mounted on control panel, and the control panel is fixed in installing frame, and the LED dot matrix screen passes through bolt
It is mounted on installing frame, audible spectrum data acquisition circuit, the audible spectrum data acquisition electricity is integrated on the control panel
Road is connected by AD analog-to-digital conversion interface with MCU controller.
Based on the above technical solution, which can also do following improvement.
Further, the audible spectrum data acquisition circuit includes audio input circuit and operational amplifier, the audio
Input circuit is audio interface and/or Bluetooth audio frequency receiving module.
Further, the MCU controller is encapsulated as LQFP64 or LQFP100.
Further, the installing frame and LED dot matrix screen are arranged in multiple lines and multiple rows, are led between the adjacent LED dot matrix screen of every row
It crosses winding displacement to be connected, the LED dot matrix screen of every row end is connected by winding displacement with the MCU controller.
Further, the MCU controller also passes through serial ports or AD conversion interface is connected with formaldehyde sensor；The MCU control
Device processed also passes through AD analog-to-digital conversion interface and is connected with coal gas sensor of natural gas, air quality sensor and temperature sensor.
Further, the model WZ-S of the formaldehyde sensor, the model MQ-5 of the coal gas sensor of natural gas, institute
The model TGS2602 of air quality sensor is stated, the temperature sensor uses thermistor.
Further, the MCU controller also passes through SPI interface and is connected with 2.4G remote controler and SPIFLASH；The MCU control
Device processed also passes through GPIO interface and is connected with IR remote controller and combined aural and visual alarm.
Further, the MCU controller also passes through RS232 interface or SPI interface is connected with wireless communication module, channel radio
Letter module is connected with smart phone.
Further, the wireless communication module includes WIFI communication module, NB communication module, 2G communication module, 3G communication
Module, 4G communication module or bluetooth data communication module.
Further, power inlet, audio input port, Bluetooth audio frequency input port, first are respectively arranged on the installing frame
Aldehyde sensor probe mouth, coal gas sensor of natural gas probe mouth, air quality sensor probe mouth, temperature sensor probe mouth with
And IR remote controller and combined aural and visual alarm receiving port.
Compared with prior art, Multifunctional LED dot matrix display screen provided by the invention has the beneficial effect that
1, the present invention is using LED dot matrix screen as carrier, and when playing music, the audible spectrum data on control panel are adopted
Collector acquires audio signal, and MCU controller carries out Fast Fourier Transform (FFT) (FFT) processing to audio signal, calculates audio
Frequency spectrum and be sent to LED dot matrix screen and show, so that the picture of frequency spectrum is beated with the rhythm of music, be able to use family from the sense of hearing and view
The impact of music bring is experienced in feel, to solve the single technical problem of LED display display function in the prior art.
2, LED dot matrix display screen of the invention can also formaldehyde in real-time monitoring air, coal gas, natural gas content, with
And the quality and temperature of air, living environment state status locating for user is informed in time, ensure that the peace of user's living environment
Quan Xing.
3, also module provides user's experience interacted with display screen to LED dot matrix display screen of the invention by wireless communication,
So that user is realized the control display function of LED dot matrix display screen by the APP of mobile phone terminal, improves amusement of the invention
Property with it is interactive.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the arrangement architecture schematic diagram of four rows three column LED dot matrix screen of the invention；
Fig. 3 is the attachment structure schematic diagram of two rows two column LED dot matrix screen of the invention；
Fig. 4 is the attachment structure schematic diagram of three rows two column LED dot matrix screen of the invention；
Fig. 5 is control flow schematic diagram of the invention；
Fig. 6 is the structural schematic diagram of installing frame of the invention；
Fig. 7 is the structural schematic diagram of the LED dot matrix screen control interface on installing frame of the present invention.
In figure:
1-installing frame；2-bolts；3-power inlets；4-audio input ports；5-Bluetooth audio frequency input ports；6-first
Aldehyde sensor probe mouth；7-coal gas sensor of natural gas probe mouth；8-air quality sensors probe mouth；9-temperature sensing
Device probe mouth；10-IR remote controllers and combined aural and visual alarm receiving port.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, rather than comprehensive embodiment.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Embodiment 1:
A kind of Multifunctional LED dot matrix display screen, as shown in Figures 1 to 7, including control panel, installing frame 1, LED dot matrix screen
And MCU controller.MCU controller is encapsulated as LQFP64 or LQFP100, and MCU controller is mounted on control panel, control panel
It is fixed in the plane of installing frame 1, LED dot matrix screen is mounted in the plane of installing frame 1 by bolt 2.LED dot matrix screen is selected every
Square metre pixel is that the color of P2.5, P4, P5, P8 perhaps display screen LED dot matrix screen of P10 specification is monochromatic or colored
, installing frame 1 and LED dot matrix screen can form four rows, three column arrangement architecture as shown in Figure 2, can also form two rows two
Column, two rows three column, three rows three column etc. arrangement architecture.As shown in Figure 3 and Figure 4, pass through row between the adjacent LED dot matrix screen of every row
Line is connected, and the LED dot matrix screen of every row end is connected by winding displacement with MCU controller.
As shown in Figures 1 to 7, audible spectrum data acquisition circuit, audible spectrum data acquisition electricity are integrated on control panel
Road includes audio input circuit and operational amplifier.Wherein, audio input circuit is that audio interface and/or Bluetooth audio frequency receive mould
Block, make user not only can by wired mode to LED dot matrix screen input audio signal, but also can by bluetooth wireless mode to
LED dot matrix screen input audio signal.Audible spectrum data acquisition circuit is connected by AD analog-to-digital conversion interface with MCU controller
It connects.Power inlet 3, audio input port 4 and Bluetooth audio frequency input port 5 are offered on the left frame of installing frame 1, power supply is defeated
Entrance 3 is used to provide power supply to LED dot matrix screen and MCU controller；Audio input port 4 is connected with audio interface, keeps user logical
Wired mode is crossed to LED dot matrix screen input audio signal；Bluetooth audio frequency input port 5 is connected with Bluetooth audio frequency receiving module, makes
User is wirelessly to LED dot matrix screen input audio signal.
When playing music, the audible spectrum data acquisition circuit on control panel acquires audio signal, MCU controller
Fast Fourier Transform (FFT) (FFT) processing is carried out to audio signal, the frequency spectrum of audio is calculated and is sent to LED dot matrix screen and show,
So that the picture of frequency spectrum is beated with the rhythm of music, is able to use family and experiences the impact of music bring from the sense of hearing and visually.It is preferred that
The width on ground, each frequency spectrum is made of 4 LED lamp beads.LED dot matrix display screen of the invention is suitable for home decoration, family
The places such as movie theatre, bar, Internet bar and outdoor advertising.
Embodiment 2:
Preferably, being advanced optimized on the basis of the above embodiments for the present invention is better achieved, especially use
Following setting structures:
As shown in Figures 1 to 7, MCU controller also passes through serial ports or AD conversion interface is connected with formaldehyde sensor, and formaldehyde passes
The preferred WZ-S of the model of sensor.MCU controller also passes through AD analog-to-digital conversion interface and is connected with coal gas sensor of natural gas, air matter
Quantity sensor and temperature sensor, the preferred MQ-5 of the model of coal gas sensor of natural gas, the model of air quality sensor are excellent
Select TGS2602, the preferred thermistor of temperature sensor.MCU controller also passes through GPIO interface and is connected with IR remote controller harmony
Light crossing-signal.
As shown in fig. 7, being also provided with formaldehyde sensor probe mouth 6, coal gas natural gas sensing on the left frame of installing frame 1
Device probe mouth 7, air quality sensor probe mouth 8, temperature sensor probe mouth 9 and IR remote controller and combined aural and visual alarm connect
Closing in 10.Wherein, the probe of WZ-S is mounted in formaldehyde sensor probe mouth 6, and the probe of MQ-5 is mounted on coal gas natural gas biography
Sensor is popped one's head in mouth 7, and the probe of TGS2602 is mounted in air quality sensor probe mouth 8, and the probe of thermistor is mounted on
In temperature sensor probe mouth 9, the receiving end of IR remote controller and combined aural and visual alarm is mounted on IR remote controller and sound-light alarm
In device receiving port 10.
It is exceeded since concentration of formaldehyde usually easily occurring in family, the problems such as coal gas, natural gas leaking, the more amusement of number
Place is usually easy to happen the problems such as flue gas is overweight, air quality is low, room temperature is high, and the present invention is perceived by formaldehyde sensor
Whether concentration of formaldehyde is exceeded, whether has leakage by coal gas sensor of natural gas perception coal gas, natural gas, is passed by air quality
Whether whether sensor perception air quality is normal, normal by temperature sensor perception room temperature, can inform user in time
Locating living environment state status, ensure that the safety of user's living environment.
Above-mentioned each parameter index display mode are as follows: it is excellent, good, in, it is poor, bad, danger six kinds of states, when parameter index be it is poor, bad
When with danger, LED dot matrix display screen will show exceeded parameter index and export alarm signal by combined aural and visual alarm.
Embodiment 3:
Preferably, being advanced optimized on the basis of the above embodiments for the present invention is better achieved, especially use
Following setting structures:
As shown in Figures 1 to 7, MCU controller also passes through SPI interface and is connected with 2.4G remote controler and SPIFLASH.MCU control
Device processed also passes through RS232 interface or SPI interface is connected with wireless communication module, wireless communication module include WIFI communication module,
NB communication module, 2G communication module, 3G communication module, 4G communication module or bluetooth data communication module, LED dot matrix display screen
Module is connected with the smart phone of user by wireless communication.
SPIFLASH of the invention can be such that LED dot matrix display screen shows in various blessing languages, advertising words, classic poetry etc.
Hold, the extreme enrichment image content of LED display, naturally it is also possible to using the word-base chip being made by SPIFLASH.
LED dot matrix display screen of the invention can also be such that user interacts by the APP in smart phone with display screen, improve the present invention
Entertainment with it is interactive.
Embodiment 4:
Preferably, being advanced optimized on the basis of the above embodiments for the present invention is better achieved, especially use
Following setting structures:
As shown in Figures 1 to 7, the present invention has 6 kinds of following display modes, can be according to setting between every kind of display mode
Time automatically switch, switching can also be remotely controlled by 2.4G remote controler or IR remote controller.6 kinds of display mode difference
Are as follows:
1, whole screen shows music frequency spectrum.
2, part display music frequency spectrum, part show other content.Such as: LED dot matrix screen is the structure of two rows arrangement, then
Can above row LED dot matrix screen display blessing language or advertising words, next row LED dot matrix screen shows music frequency spectrum；LED dot matrix screen
For the structure of three rows arrangement, then can above row LED dot matrix screen display blessing language or advertising words, lower two rows LED dot matrix screen display
Show music frequency spectrum；LED dot matrix screen is the structure of four rows arrangement, then can the above two rows LED dot matrix screen display blessing language or advertisement
Word, lower two rows LED dot matrix screen show music frequency spectrum.
3, perpetual calendar is shown.The font of display multiplies 16 LED lamp beads for 16, is shown respectively by four rows: most lastrow
Show the Gregorian calendar date, the second row shows the lunar calendar date, and the third line shows week and time, and fourth line was having two or four when the day before yesterday
Displays temperature and the twenty-four solar terms, traditional festival information when ten solar term and/or traditional festival, when the day before yesterday is without the twenty-four solar terms
Displays temperature and air quality.
4, the display blessing indexs such as language or formaldehyde, coal gas, natural gas, air quality, room temperature.
5, classic poetry is shown.Classic poetry can be scrolled up and down or be scrolled left and right display ancient poetry on LED dot matrix screen
The content of word, meanwhile, can temporally automatic page turning, 2.4G remote controler or IR remote controller can also be passed through and be remotely controlled page turning.
6, the game that Tetris etc. can interact is shown.
As shown in figure 5, system is made whether manual operation inquiry after starting initialization, if selection manual operation, LED
Dot matrix screen according to the instruction of remote keying in display mode 1 to free switching between display mode 6, when there is no key and hand automatic
The input of key, the state currently shown will not change.If selecting non-manual operation, whether system interrogation plays music,
If selection does not play music, LED dot matrix screen detects the finger such as formaldehyde, coal gas, natural gas, air quality, room temperature automatically
Mark it is whether exceeded, if without alternately displaying perpetual calendar, blessing language and normal index parameter if exceeded；It is shown if exceeded
Exceeded index parameter is shown.If selection plays music, LED dot matrix screen automatic collection audio signal is simultaneously carried out in quick Fu
Leaf transformation (FFT) processing, show music frequency spectrum on a display screen, at the same automatically detect formaldehyde, coal gas, natural gas, air quality,
Whether the indexs such as room temperature are exceeded, as described above, repeating no more.If continuing to ask whether full frame aobvious without exceeded parameter
Show frequency spectrum.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.
Claims (10)
1. a kind of Multifunctional LED dot matrix display screen, which is characterized in that including control panel, installing frame (1), LED dot matrix screen and
MCU controller, the MCU controller are mounted on control panel, and the control panel is fixed in installing frame (1), the LED dot matrix
Screen is mounted on installing frame (1) by bolt (2), and audible spectrum data acquisition circuit, the sound are integrated on the control panel
Frequent modal data Acquisition Circuit is connected by AD analog-to-digital conversion interface with MCU controller.
2. Multifunctional LED dot matrix display screen according to claim 1, which is characterized in that the audible spectrum data are adopted
Collector includes audio input circuit and operational amplifier, and the audio input circuit is that audio interface and/or Bluetooth audio frequency connect
Receive module.
3. Multifunctional LED dot matrix display screen according to claim 2, which is characterized in that the encapsulation of the MCU controller
For LQFP64 or LQFP100.
4. Multifunctional LED dot matrix display screen according to claim 3, which is characterized in that the installing frame (1) and LED
Dot matrix screen is arranged in multiple lines and multiple rows, is connected between the adjacent LED dot matrix screen of every row by winding displacement, the LED dot matrix of every row end
Screen is connected by winding displacement with the MCU controller.
5. Multifunctional LED dot matrix display screen according to any one of claim 1 to 4, which is characterized in that the MCU
Controller also passes through serial ports or AD conversion interface is connected with formaldehyde sensor；The MCU controller also passes through AD analog-to-digital conversion and connects
Mouth is connected with coal gas sensor of natural gas, air quality sensor and temperature sensor.
6. Multifunctional LED dot matrix display screen according to claim 5, which is characterized in that the type of the formaldehyde sensor
Number be WZ-S, the model MQ-5 of the coal gas sensor of natural gas, the model TGS2602 of the air quality sensor,
The temperature sensor uses thermistor.
7. Multifunctional LED dot matrix display screen according to claim 6, which is characterized in that the MCU controller also passes through
SPI interface is connected with 2.4G remote controler and SPIFLASH；The MCU controller also passes through GPIO interface and is connected with IR remote controller
And combined aural and visual alarm.
8. Multifunctional LED dot matrix display screen according to claim 7, which is characterized in that the MCU controller also passes through
RS232 interface or SPI interface are connected with wireless communication module, and wireless communication module is connected with smart phone.
9. Multifunctional LED dot matrix display screen according to claim 8, which is characterized in that the wireless communication module packet
Include WIFI communication module, NB communication module, 2G communication module, 3G communication module, 4G communication module or bluetooth data communication mould
Block.
10. Multifunctional LED dot matrix display screen according to claim 9, which is characterized in that divide on the installing frame (1)
It is not provided with power inlet (3), audio input port (4), Bluetooth audio frequency input port (5), formaldehyde sensor probe mouth (6), coal
Natural gas sensor probe mouth (7), air quality sensor probe mouth (8), temperature sensor probe mouth (9) and infrared distant
Control device and combined aural and visual alarm receiving port (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500089.0A CN110120192A (en) | 2019-06-11 | 2019-06-11 | A kind of Multifunctional LED dot matrix display screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910500089.0A CN110120192A (en) | 2019-06-11 | 2019-06-11 | A kind of Multifunctional LED dot matrix display screen |
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| CN110120192A true CN110120192A (en) | 2019-08-13 |
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| CN201910500089.0A Pending CN110120192A (en) | 2019-06-11 | 2019-06-11 | A kind of Multifunctional LED dot matrix display screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112634814A (en) * | 2020-12-01 | 2021-04-09 | 黑龙江建筑职业技术学院 | Rhythm control method of LED three-dimensional stereoscopic display following music |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570233U (en) * | 2009-11-05 | 2010-09-01 | 无锡力芯微电子股份有限公司 | LED dot-matrix drive circuit with audio equalizer and animation display |
| CN102682671A (en) * | 2011-09-30 | 2012-09-19 | 杨东佐 | LED (light-emitting diode) dot matrix display screen and combined dot matrix display screen |
| CN204348274U (en) * | 2015-01-08 | 2015-05-20 | 潍坊绿能彩屏科技有限公司 | A kind of Multifunctional LED display screen |
| CN205334897U (en) * | 2016-01-29 | 2016-06-22 | 福建晶彩光电科技股份有限公司 | Dull and stereotyped large screen display device of LED sheen |
| CN107306462A (en) * | 2016-04-19 | 2017-10-31 | 齐鲁工业大学 | A kind of LED battle array Audio presentation device and its Fourier modes fuzzy control method |
| CN107940343A (en) * | 2017-11-27 | 2018-04-20 | 惠州市物联微电子有限公司 | A kind of multifunctional intellectual LED ceiling lamp |
| CN208285478U (en) * | 2018-06-20 | 2018-12-25 | 徐州树袋熊电子科技有限公司 | A kind of music frequency spectrum display device |
| CN208418490U (en) * | 2018-04-08 | 2019-01-22 | 郑州光之源电子科技有限公司 | A kind of Multifunctional garden Landscape Lamp |
| CN209785468U (en) * | 2019-06-11 | 2019-12-13 | 沈德稳 | Multifunctional LED dot matrix display screen |
-
2019
- 2019-06-11 CN CN201910500089.0A patent/CN110120192A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570233U (en) * | 2009-11-05 | 2010-09-01 | 无锡力芯微电子股份有限公司 | LED dot-matrix drive circuit with audio equalizer and animation display |
| CN102682671A (en) * | 2011-09-30 | 2012-09-19 | 杨东佐 | LED (light-emitting diode) dot matrix display screen and combined dot matrix display screen |
| CN204348274U (en) * | 2015-01-08 | 2015-05-20 | 潍坊绿能彩屏科技有限公司 | A kind of Multifunctional LED display screen |
| CN205334897U (en) * | 2016-01-29 | 2016-06-22 | 福建晶彩光电科技股份有限公司 | Dull and stereotyped large screen display device of LED sheen |
| CN107306462A (en) * | 2016-04-19 | 2017-10-31 | 齐鲁工业大学 | A kind of LED battle array Audio presentation device and its Fourier modes fuzzy control method |
| CN107940343A (en) * | 2017-11-27 | 2018-04-20 | 惠州市物联微电子有限公司 | A kind of multifunctional intellectual LED ceiling lamp |
| CN208418490U (en) * | 2018-04-08 | 2019-01-22 | 郑州光之源电子科技有限公司 | A kind of Multifunctional garden Landscape Lamp |
| CN208285478U (en) * | 2018-06-20 | 2018-12-25 | 徐州树袋熊电子科技有限公司 | A kind of music frequency spectrum display device |
| CN209785468U (en) * | 2019-06-11 | 2019-12-13 | 沈德稳 | Multifunctional LED dot matrix display screen |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112634814A (en) * | 2020-12-01 | 2021-04-09 | 黑龙江建筑职业技术学院 | Rhythm control method of LED three-dimensional stereoscopic display following music |
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