CN109192131A - A kind of LED control system based on ARM microprocessor - Google Patents
A kind of LED control system based on ARM microprocessor Download PDFInfo
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- CN109192131A CN109192131A CN201811201250.6A CN201811201250A CN109192131A CN 109192131 A CN109192131 A CN 109192131A CN 201811201250 A CN201811201250 A CN 201811201250A CN 109192131 A CN109192131 A CN 109192131A
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- module
- led display
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- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
The invention discloses a kind of LED control systems based on ARM microprocessor; including control module, detection module, adjustment module and LED display; detection module includes voltage detection module, current detection module, brightness detection module, temperature detecting module, humidity detecting module and pressure detecting module, and adjustment module includes luminance adjustment module and power failure protection module.The working efficiency of controller can be improved by using ARM microprocessor by the present invention, and be greatly improved the total quality of LED display and the stability of work.
Description
Technical field
The invention belongs to LED display control systems, and in particular to a kind of LED control system based on ARM microprocessor.
Background technique
LED display is a kind of flat-panel monitor, is made of LED module panel small one by one, for showing text, figure
The equipment of the various information such as picture, video, video signal.LED display be widely used in stadiums, bank, market, school,
Hotel, etc. different outdoor locations advertising.On rainy day, LED display is drenched by rainwater, and the eyes of people are close for a long time
Distance will be easy to induce eye illness against display screen, cause light source to pollute, LED display should need more as environmental protection technology
Fill influence of the part in view of light to the spirit aspect of people, the excessively high normal life and work that also will affect people of brightness.Currently, passing
The control system working range of the LED display of system is very narrow, can not achieve many-sided monitoring and regulation display screen, working efficiency
It is low, in consideration of it, it is necessary to study a kind of LED control systems based on ARM microprocessor.
Summary of the invention
To solve the deficiencies in the prior art, the LED control based on ARM microprocessor that the purpose of the present invention is to provide a kind of
System, the working efficiency of controller can be improved by using ARM microprocessor, and be greatly improved the entirety of LED display
Quality and the stability of work.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of LED control system based on ARM microprocessor, including control module, detection module, adjustment module and LED are shown
Screen, detection module includes voltage detection module, current detection module, brightness detection module, temperature detecting module, Humidity Detection mould
Block and pressure detecting module, adjustment module include luminance adjustment module and power failure protection module；
Voltage detection module and current detection module are connect with control module, are respectively used to detection LED display input terminal
Voltage value and current value；Brightness detection module connect with control module, for detecting brightness and the ambient enviroment of LED display
Brightness；Temperature detecting module and humidity detecting module are connect with control module, for detecting LED display and ambient enviroment
Temperature and humidity；Pressure detecting module is connect with control module, for detecting the pressure on LED display；
Luminance adjustment module and power failure protection module are connect with control module, and luminance adjustment module is for adjusting LED display
Brightness, power failure protection module be used for LED display carry out power-off protection.
Preferably, aforementioned control module uses 32 embedded LPC2148 microprocessors.
More preferably, control system further includes data processing module, and aforementioned data processing module is connect with control module, is used
In handling and the voltage value of analysis LED display input terminal and the temperature of electric current Value Data, LED display and ambient enviroment and wet
Degree evidence, the pressure data on LED display and the instruction of user.
It is highly preferred that control system further includes alarm module, aforementioned alarm module is connect with control module and alarm,
The temperature of LED display and ambient enviroment is excessively high, humidity is excessive and LED display on pressure it is excessive when, alarm module hair
The number of delivering letters gives alarm, and user is graphically showed on LED display.
It is further preferred that control system further includes data memory module, aforementioned data memory module and control module connect
It connects, for storing the instruction of the data after detection and analysis and user.
Specifically, aforementioned luminance adjustment module is connect with digital non-pole light regulating equipment, is detected according to brightness detection module
Ambient enviroment brightness and user instruction, send a signal to digital non-pole light regulating equipment, adjust the brightness of LED display.
Preferably, foregoing moisture detection module detects when the humidity on LED display is excessive and voltage detection module
When detecting the voltage value and current value exception of LED display with current detection module, power failure protection module is for showing LED
Screen is powered off.
More preferably, the voltage value input terminal of the voltage value output end connection LED display of aforesaid voltage detection module.
It is highly preferred that the current value input terminal of the current value output end connection LED display of aforementioned currents detection module.
The invention has the beneficial effects that: it is of the invention based on the LED control system of ARM microprocessor by using ARM
The working efficiency of controller can be improved in microprocessor, and be greatly improved LED display total quality and work it is steady
It is qualitative；The voltage value of LED display, current value, brightness, pressure, temperature and humidity and ambient enviroment can accurately be detected
Brightness, temperature and humidity, and user is showed by form of icons, user can adjust LED display according to actual needs
Running parameter, and the temperature of LED display and ambient enviroment is excessively high, humidity is excessive and LED display on pressure mistake
When big, alarm module sends a signal to alarm, and user is graphically showed on LED display, to avoid LED
Display screen is damaged；Humidity detecting module detects when the humidity on LED display is excessive and voltage detection module and electricity
Stream detection module is when detecting the voltage value and current value exception of LED display, power failure protection module be used for LED display into
Row power-off, is handled in time convenient for user, thereby may be ensured that LED display using safe and prolong its service life.
Detailed description of the invention
Fig. 1 is system structure diagram of the invention.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, a kind of LED control system based on ARM microprocessor of the invention, including control module, detection mould
Block, adjustment module and LED display, control module use 32 embedded LPC2148 microprocessors.Detection module includes voltage
Detection module, current detection module, brightness detection module, temperature detecting module, humidity detecting module and pressure detecting module, institute
Stating adjustment module includes luminance adjustment module and power failure protection module.
Voltage detection module and current detection module are connect with control module, are respectively used to detection LED display input
The voltage value and current value at end, the voltage value input terminal of the voltage value output end connection LED display of voltage detection module.Electric current
The current value input terminal of the current value output end connection LED display of detection module.Brightness detection module is connect with control module,
For detecting the brightness of LED display and the brightness of ambient enviroment, luminance adjustment module is connect with digital non-pole light regulating equipment, root
The brightness of the ambient enviroment detected according to brightness detection module and the instruction of user, send a signal to digital non-pole light regulating equipment,
Adjust the brightness of LED display.
Temperature detecting module and humidity detecting module are connect with control module, for detecting LED display and surrounding ring
The temperature and humidity in border, humidity detecting module detects when the humidity on LED display is excessive and voltage detection module and electricity
Stream detection module is when detecting the voltage value and current value exception of LED display, power failure protection module be used for LED display into
Row power-off, when trickling down on LED display if any water, the humidity that humidity detecting module detects is then larger, sends signal in time
To control module, in order to which user is handled in time.Pressure detecting module is connect with control module, for detecting LED display
Pressure, struck on LED display if any weight, the pressure that pressure detecting module can perceive on display screen is excessive, then
Control module is sent a signal to, in order to which user is handled in time.Luminance adjustment module and power failure protection module are and control module
Connection, luminance adjustment module are used to adjust the brightness of LED display, and power failure protection module is for powering off LED display
Protection.
Control system further includes data processing module, and data processing module is connect with control module, for handling and analyzing
The voltage value and the temperature and humidity data of electric current Value Data, LED display and ambient enviroment, LED of LED display input terminal are aobvious
The instruction of pressure data and user in display screen.
Control system further includes alarm module, and aforementioned alarm module is connect with control module and alarm, in LED display
With the temperature of ambient enviroment is excessively high, humidity is excessive and LED display on pressure it is excessive when, alarm module sends a signal to report
Alert device, and user is graphically showed on LED display.
Control system further includes data memory module, and aforementioned data memory module is connect with control module, for storing inspection
The instruction of data and user after surveying and analyzing.
Controller can be improved by using ARM microprocessor in LED control system based on ARM microprocessor of the invention
Working efficiency, and be greatly improved the total quality of LED display and the stability of work；It is aobvious that LED can accurately be detected
The voltage value of display screen, current value, brightness, pressure, brightness, the temperature and humidity of temperature and humidity and ambient enviroment, and pass through
Form of icons shows user, and user can adjust the running parameter of LED display according to actual needs, and show in LED
Screen and ambient enviroment temperature is excessively high, humidity is excessive and LED display on pressure it is excessive when, alarm module is sent a signal to
Alarm, and user is graphically showed on LED display, it is damaged to avoid LED display；Humidity Detection
Module detects when the humidity on LED display is excessive and voltage detection module and current detection module detect that LED is shown
When the voltage value and current value exception of screen, power failure protection module thereby may be ensured that LED for powering off to LED display
Display screen using safe and prolong its service life.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation
Technical solution is fallen within the scope of protection of the present invention.
Claims (9)
1. a kind of LED control system based on ARM microprocessor, which is characterized in that including control module, detection module, adjusting
Module and LED display, the detection module include voltage detection module, current detection module, brightness detection module, temperature inspection
Surveying module, humidity detecting module and pressure detecting module, the adjustment module includes luminance adjustment module and power failure protection module；
The voltage detection module and current detection module are connect with control module, are respectively used to detection LED display input
The voltage value and current value at end；The brightness detection module is connect with control module, for detecting brightness and the week of LED display
The brightness in collarette border；The temperature detecting module and humidity detecting module are connect with control module, for detecting LED display
With the temperature and humidity of ambient enviroment；The pressure detecting module is connect with control module, for detecting the pressure on LED display
Power；
The luminance adjustment module and power failure protection module are connect with control module, and the luminance adjustment module is for adjusting
The brightness of LED display, the power failure protection module are used to carry out power-off protection to LED display.
2. a kind of LED control system based on ARM microprocessor according to claim 1, which is characterized in that the control
Module uses 32 embedded LPC2148 microprocessors.
3. a kind of LED control system based on ARM microprocessor according to claim 1, which is characterized in that control system
It further include data processing module, the data processing module is connect with control module, for handling and analyzing LED display input
Pressure in the temperature and humidity data of the voltage value at end and electric current Value Data, LED display and ambient enviroment, LED display
The instruction of data and user.
4. a kind of LED control system based on ARM microprocessor according to claim 1, which is characterized in that control system
It further include alarm module, the alarm module is connect with control module and alarm, in the temperature of LED display and ambient enviroment
Excessively high, humidity is excessive and LED display on pressure it is excessive when, alarm module sends a signal to alarm, and shows in LED
User is graphically showed on screen.
5. a kind of LED control system based on ARM microprocessor according to claim 1, which is characterized in that control system
It further include data memory module, the data memory module is connect with control module, for storing the data after detection and analysis
And the instruction of user.
6. a kind of LED control system based on ARM microprocessor according to claim 1, which is characterized in that the brightness
Adjustment module is connect with digital non-pole light regulating equipment, the brightness of the ambient enviroment detected according to brightness detection module and user's
Instruction, sends a signal to digital non-pole light regulating equipment, adjusts the brightness of LED display.
7. a kind of LED control system based on ARM microprocessor according to claim 1, which is characterized in that the humidity
Detection module detects when the humidity on LED display is excessive and voltage detection module and current detection module detect LED
When the voltage value and current value exception of display screen, power failure protection module is for powering off LED display.
8. a kind of LED control system based on ARM microprocessor according to claim 1, which is characterized in that the voltage
The voltage value input terminal of the voltage value output end connection LED display of detection module.
9. a kind of LED control system based on ARM microprocessor according to claim 1, which is characterized in that the electric current
The current value input terminal of the current value output end connection LED display of detection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201250.6A CN109192131A (en) | 2018-10-16 | 2018-10-16 | A kind of LED control system based on ARM microprocessor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811201250.6A CN109192131A (en) | 2018-10-16 | 2018-10-16 | A kind of LED control system based on ARM microprocessor |
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| CN109192131A true CN109192131A (en) | 2019-01-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379359A (en) * | 2019-07-09 | 2019-10-25 | 江苏金月亮科技有限公司 | A kind of method and outdoor LED display screen of Internet of Things control outdoor LED display screen |
| CN112435627A (en) * | 2020-12-07 | 2021-03-02 | 成都成电光信科技股份有限公司 | LED display control system |
| CN113593493A (en) * | 2021-07-15 | 2021-11-02 | Tcl华星光电技术有限公司 | Display panel common voltage adjusting method and device, storage medium and electronic equipment |
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| JPH11231828A (en) * | 1998-02-16 | 1999-08-27 | Mitsubishi Electric Corp | Plasma display device |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11231828A (en) * | 1998-02-16 | 1999-08-27 | Mitsubishi Electric Corp | Plasma display device |
| US9286020B2 (en) * | 2011-02-03 | 2016-03-15 | Manufacturing Resources International, Inc. | System and method for dynamic load sharing between electronic displays |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379359A (en) * | 2019-07-09 | 2019-10-25 | 江苏金月亮科技有限公司 | A kind of method and outdoor LED display screen of Internet of Things control outdoor LED display screen |
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| CN113593493A (en) * | 2021-07-15 | 2021-11-02 | Tcl华星光电技术有限公司 | Display panel common voltage adjusting method and device, storage medium and electronic equipment |
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Application publication date: 20190111 |