CN103298217A - Light-emitting diode (LED) reminding light system capable of representing various working states - Google Patents
Light-emitting diode (LED) reminding light system capable of representing various working states Download PDFInfo
- Publication number
- CN103298217A CN103298217A CN2013102575348A CN201310257534A CN103298217A CN 103298217 A CN103298217 A CN 103298217A CN 2013102575348 A CN2013102575348 A CN 2013102575348A CN 201310257534 A CN201310257534 A CN 201310257534A CN 103298217 A CN103298217 A CN 103298217A
- Authority
- CN
- China
- Prior art keywords
- led
- triode
- resistance
- light system
- working states
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Led Devices (AREA)
Abstract
The invention discloses an electrical device working reminding system and particularly relates to an LED reminding light system capable of representing various working states. The LED reminding light system comprises a triode Q1 and an LED D1, wherein a base electrode of the triode Q1 is connected with a general purpose input/output (GPIO) of a central processing unit (CPU) through a resistor R1, a collector electrode of the triode Q1 is connected with a power source positive electrode (VCC) through the LED D1 and the resistor R1, an emitter electrode of the triode Q1 is connected with a power source negative electrode GND, a resistor R3 is arranged between the base electrode of the triode Q1 and a resistor R2 and connected with the power source positive electrode VCC. The LED reminding light system can represent various working states through one LED, and meets the requirements of representing more working states with increasingly minimized broadband access terminal devices and fewer LEDs.
Description
Technical field
The present invention relates to a kind of electric equipment work prompt system, relate in particular to a kind of LED warning light system that represents multiple operating state.
Background technology
Along with the development of internet technology, the more and more miniaturization of various broadband access terminal devices, more and more easy-to-use, and for the LED that directly transmits equipment operation condition to the user, also be fewer and feweri.
Warning light at present commonly used mainly is LED and metal-oxide-semiconductor, and the basic principle of LED is to give off visible light during by electronics and hole-recombination.The purposes of LED is a lot, can be used for throwing light on, and the expression state is made large display screen curtain etc.; Metal-oxide-semiconductor is the voltage-controlled type semiconductor device, can play effects such as amplification, vibration, switch equally.
Generally, a system only has a power LED, and normal bright expression system power supply power supply is normal, and expression shutdown or abnormity of power supply do not work; Perhaps flicker expression system works is normal, do not work or normal bright expression system works unusual.Be example with the linux system, start needs two processes, and at first CPU reads in bootloader, then moves bootloader, initialization basic I mouth and Memory Controller Hub.Then system is read out from FLASH, be put in the internal memory behind the decompress(ion), again the executive system related content.Moment of just starting shooting so, bootloader is still before the no initializtion IO mouth, GPIO is in high-impedance state, this moment, the software engineer still had no idea to control GPIO (General Purpose Input Output, the state of high-low level general I/O port) also just can't be controlled the light on and off state of LED accurately.
Summary of the invention
The object of the present invention is to provide a kind of LED warning light system that represents multiple operating state, it is limited to have solved the represented operating state of warning light in the present equipment, can not represent multi-mode problem under the warning light situation of trying one's best few.
For addressing the above problem, the technical solution used in the present invention is:
A kind of LED warning light system that represents multiple operating state, comprise triode Q1 and LED light-emitting diode D1, the base stage of described triode Q1 connects the GPIO mouth of Ei to CPU by resistance R 1, be connected to positive source VCC after the collector electrode process LED light-emitting diode D1 of described triode Q1 and the resistance R 1, the emitter of described triode Q1 connects power cathode GND, has resistance R 3 to be connected to positive source VCC between the base stage of triode Q1 and resistance R 2.
Further technical scheme is, described resistance R 1 is 150K Ω, and described resistance R 2 is 1K Ω, and described resistance R 3 is 10K Ω, and described positive source VCC is 3.3V.
The beneficial effect that adopts technique scheme to produce is: the present invention can only represent multiple operating state with a LED light-emitting diode, satisfied more and more miniaturization of broadband access terminal device, LED also is fewer and feweri, but can represent the more demand of multiple working conditions.
Description of drawings
Fig. 1 is a kind of circuit connection diagram of representing an embodiment of LED warning light system of multiple operating state of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
Fig. 1 shows an a kind of embodiment who represents the LED warning light system of multiple operating state of the present invention: a kind of LED warning light system that represents multiple operating state, comprise triode Q1 and LED light-emitting diode D1, the base stage of described triode Q1 connects the GPIO mouth of Ei to CPU by resistance R 1, be connected to positive source VCC after the collector electrode process LED light-emitting diode D1 of described triode Q1 and the resistance R 1, the emitter of described triode Q1 connects power cathode GND, has resistance R 3 to be connected to positive source VCC between the base stage of triode Q1 and resistance R 2.
A kind of another embodiment that represents the LED warning light system of multiple operating state according to the present invention, described resistance R 1 is 150K Ω, and described resistance R 2 is 1K Ω, and described resistance R 3 is 10K Ω, and described positive source VCC is 3.3V.
Be example with the linux system, after bootloader initialization GPIO, software just can have been controlled high-low level that A is ordered by the mode of register.After system got up, software was by register control LED flicker, and illustrative system is in operate as normal.If situations such as deadlock appear in system, also just equal software to have no idea to have controlled the flicker of LED, no longer glimmer so LED occurs, do not work or Chang Liang just represents system exception, need personnel that this system has been safeguarded.
Claims (2)
1. LED warning light system that can represent multiple operating state, it is characterized in that: comprise triode Q1 and LED light-emitting diode D1, the base stage of described triode Q1 is connected to the GPIO mouth of CPU by resistance R 1, be connected to positive source VCC after the collector electrode process LED light-emitting diode D1 of described triode Q1 and the resistance R 1, the emitter of described triode Q1 connects power cathode GND, has resistance R 3 to be connected to positive source VCC between the base stage of triode Q1 and resistance R 2.
2. a kind of LED warning light system that represents multiple operating state according to claim 1 is characterized in that: described resistance R 1 is 150K Ω, and described resistance R 2 is 1K Ω, and described resistance R 3 is 10K Ω, and described positive source VCC is 3.3V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102575348A CN103298217A (en) | 2013-06-26 | 2013-06-26 | Light-emitting diode (LED) reminding light system capable of representing various working states |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102575348A CN103298217A (en) | 2013-06-26 | 2013-06-26 | Light-emitting diode (LED) reminding light system capable of representing various working states |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103298217A true CN103298217A (en) | 2013-09-11 |
Family
ID=49098326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102575348A Pending CN103298217A (en) | 2013-06-26 | 2013-06-26 | Light-emitting diode (LED) reminding light system capable of representing various working states |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103298217A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101094547A (en) * | 2007-07-20 | 2007-12-26 | 深圳市和而泰电子科技有限公司 | Display control circuit of LED and digitron |
| CN201332524Y (en) * | 2008-11-25 | 2009-10-21 | 康佳集团股份有限公司 | State indicating lamp control device |
| CN201577224U (en) * | 2010-01-04 | 2010-09-08 | 青岛海信电器股份有限公司 | Indicator lamp control circuit and electronic equipment |
| CN102159010A (en) * | 2011-03-28 | 2011-08-17 | 上海华为技术有限公司 | Device and method for controlling indicator lights |
| CN201986207U (en) * | 2010-11-08 | 2011-09-21 | 苏州海格新能源汽车电控系统科技有限公司 | Indicator light for program operation indication |
| CN202394744U (en) * | 2011-11-21 | 2012-08-22 | Tcl通力电子（惠州）有限公司 | Circuit and terminal capable of indicating key states through LED (light-emitting diode) lamps |
| CN102779085A (en) * | 2011-05-11 | 2012-11-14 | 鸿富锦精密工业（深圳）有限公司 | Control circuit of indicator light |
| US20120306859A1 (en) * | 2011-05-30 | 2012-12-06 | Samsung Electronics Co. Ltd. | Terminal for supporting multi-display mode and driving method thereof |
-
2013
- 2013-06-26 CN CN2013102575348A patent/CN103298217A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101094547A (en) * | 2007-07-20 | 2007-12-26 | 深圳市和而泰电子科技有限公司 | Display control circuit of LED and digitron |
| CN201332524Y (en) * | 2008-11-25 | 2009-10-21 | 康佳集团股份有限公司 | State indicating lamp control device |
| CN201577224U (en) * | 2010-01-04 | 2010-09-08 | 青岛海信电器股份有限公司 | Indicator lamp control circuit and electronic equipment |
| CN201986207U (en) * | 2010-11-08 | 2011-09-21 | 苏州海格新能源汽车电控系统科技有限公司 | Indicator light for program operation indication |
| CN102159010A (en) * | 2011-03-28 | 2011-08-17 | 上海华为技术有限公司 | Device and method for controlling indicator lights |
| CN102779085A (en) * | 2011-05-11 | 2012-11-14 | 鸿富锦精密工业（深圳）有限公司 | Control circuit of indicator light |
| US20120306859A1 (en) * | 2011-05-30 | 2012-12-06 | Samsung Electronics Co. Ltd. | Terminal for supporting multi-display mode and driving method thereof |
| CN202394744U (en) * | 2011-11-21 | 2012-08-22 | Tcl通力电子（惠州）有限公司 | Circuit and terminal capable of indicating key states through LED (light-emitting diode) lamps |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8935544B2 (en) | Indicator light control circuit for controlling different indicator lights via GPIO port according to different operating options set into a BIOS IC | |
| US8456788B2 (en) | Protection system for server | |
| CN103671188B (en) | Fan control circuitry | |
| CN102749974A (en) | Fan failure alarm circuit | |
| CN103883546B (en) | Rotation speed of the fan indicating circuit | |
| TW201337550A (en) | Indicator control device | |
| US20120301321A1 (en) | Fan control circuit | |
| CN104731686A (en) | Indicator control system and electronic device | |
| US9864385B2 (en) | Protection device | |
| US20160072537A1 (en) | Electronic device with wireless module | |
| TW201621868A (en) | Electronic apparatus and backlight control method of display | |
| JP2012027906A (en) | Indicating lamp control device | |
| CN103298217A (en) | Light-emitting diode (LED) reminding light system capable of representing various working states | |
| US20140167511A1 (en) | Fan control board | |
| TW201310231A (en) | Hard disk drive indication light circuit | |
| US8622711B2 (en) | Fan control circuit | |
| US20180260293A1 (en) | Graphics card warning circuit | |
| TW201523576A (en) | Transmission method for display device | |
| CN104349528A (en) | Indicating lamp status display system | |
| CN103208252B (en) | Display screen light-emitting diode (LED) control circuit | |
| US8713392B2 (en) | Circuitry testing module and circuitry testing device | |
| US20140347064A1 (en) | Device for testing fan | |
| TW201423395A (en) | Apparatus for displaying hard disc state | |
| CN103901993A (en) | Hard disc control circuit | |
| CN108572936B (en) | USB interface control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130911 |