CN104349528B - LED status display system - Google Patents
LED status display system Download PDFInfo
- Publication number
- CN104349528B CN104349528B CN201310314945.6A CN201310314945A CN104349528B CN 104349528 B CN104349528 B CN 104349528B CN 201310314945 A CN201310314945 A CN 201310314945A CN 104349528 B CN104349528 B CN 104349528B
- Authority
- CN
- China
- Prior art keywords
- module
- control signal
- pin
- pwm signal
- display system
- 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.)
- Expired - Fee Related
Links
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 15
- 230000007423 decrease Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Control Of El Displays (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Audible And Visible Signals (AREA)
Abstract
A kind of LED status display system, comprising: pwm signal generation module；Power module；Trigger module, this trigger module is connected with pwm signal generation module；And display module, it includes LED light and door and buffer, and this display module is connected with described trigger module.The LED status display system of the present invention, by arranging trigger module and display module, trigger module inputs pwm signal and will produce the first control signal, this signal and pwm signal are input to and door, the second control signal will be produced, second control signal is input to triode will produce the 3rd control signal, the first control signal, second control signal and the 3rd control signal are input to buffer, because LED light one end and buffer are electrical connected, LED light can be made to show multiple different state because of the different input signal of buffer, this system not only reduces LED and casing changes the cost of mould and decreases the loss of power supply.
Description
[skill field]
The present invention relates to a kind of LED status display system, particularly relate to a kind of LED light multiple case and show
System.
[background skill]
LED light is generally used make different with each access interface of display device system state in the display device
By state, be used mostly in current display device a LED light to indicate two states (monochromatic burner: bright with secretly represent two
The state of kind；Bi-colour light: two kinds of colors represent two states respectively), or the multiple different conditions of multiple indicator lamp instruction.Additionally, it is right
In mini-plant, owing to the quantity of LED light is few, thus, the display of LED light will not constitute difficulty, but with setting
Standby scale and the rising of capacity, be especially in the presence of the equipment that a large amount of circuit accesses, and the display of LED light becomes as significant
Problem.
With the development of technology, function and the use state of display device get more and more, especially current notebook and
Digital TV products, such as: holding state, open state, resting state, download EPG state, software upgrading state etc., these
It is required for providing instruction information, to allow user know clearly the duty of product.When a display device needs instruction many
During (more than the 3 kinds) state of kind, current way is mostly to use multiple LED light to realize, which not only adds LED and refers to
Show that the cost of lamp and casing change the cost of mould, and add the consumption of power supply.
In view of this, being necessary in fact to provide a kind of LED status display system, this LED status display system is permissible
Solve the high problem big with the loss of power of cost present in above-mentioned technology.
[content of the invention]
Therefore, it is an object of the invention to provide a kind of LED status display system, this LED status display system
The problem that above-mentioned cost is high and the loss of power is big can be solved.
To achieve the above object, the LED status display system of the present invention, comprising:
Pwm signal generation module, this pwm signal generation module is used for producing pwm signal；
Power module, this power module is used for providing voltage；
Trigger module, it is connected with above-mentioned pwm signal generation module, and this trigger module is connected with above-mentioned power module,
Described pwm signal inputs this trigger module will produce the first control signal；And
Display module, this display module is connected with above-mentioned pwm signal generation module, and this display module and described trigger mode
Block is connected, and this display module includes LED light, and this LED light one end is connected with above-mentioned power module, above-mentioned pwm signal
Inputting this display module with the first control signal and producing the second control signal and the 3rd control signal, described display module is used for
Control described LED light light on and off with the signal pulse of the first control signal, the second control signal or the 3rd control signal
Time interval.
It is also preferred that the left described pwm signal generation module is a PWM signal generator.
It is also preferred that the left described power module includes some diodes, and diodes in parallel connects.
It is also preferred that the left described trigger module includes a trigger.
It is also preferred that the left described trigger is CMOS double D trigger.
It is also preferred that the left described trigger includes:
One first pin, this first pin is described pwm signal input；
One second pin, this second pin is connected with described power module；And
One the 3rd pin, the 3rd pin is connected with described display module.
It is also preferred that the left described display module includes:
With door, described pwm signal should be terminated with door one, and should be connected with door and above-mentioned trigger the 3rd pin；
Triode, this transistor base and above-mentioned and door electric connection；And
Buffer, it is connected with above-mentioned trigger the 3rd pin, and this buffer is connected with door with above-mentioned, and this buffer with
Described triode is electrically connected with.
It is also preferred that the left described is that CMOS two inputs and door with door.
It is also preferred that the left described transistor base and a resistance are electrically connected with, and this resistance other end and described electrically connect with door
Connect.
Compared to existing skill, the LED status display system of the present invention, by arranging trigger module and display module,
And this display module include at least one with door and a buffer, when input pwm signal, trigger module will produce first control letter
Number, then pwm signal and the first control signal are input simultaneously to and door, will produce the second control signal with gate output terminal, and this is the years old
Two control signals are input to triode, will produce the 3rd control signal, then the first control signal, the second control signal and the
Three control signals are input simultaneously to buffer, owing to LED light one end can directly be electrical connected with described buffer, cause
LED light shows multiple different state because of the different input signal of buffer.The LED status display of the present invention is
System not only reduces LED and casing changes the cost of mould, and reduces the loss of power supply.
[brief description]
Fig. 1 illustrates the structural representation of LED status display system of the present invention.
Fig. 2 illustrates the circuit theory diagrams of LED status display system of the present invention.
[detailed description of the invention]
Referring to Fig. 1 and Fig. 2, its structural representation being respectively LED status display system of the present invention and the present invention refer to
Show the circuit theory diagrams of lamp status display system.
The LED status display system of the present invention, refers to Fig. 1, and this LED status display system includes:
Pwm signal generation module, this pwm signal generation module is used for producing pwm signal, in the present embodiment, refers to
Fig. 1, this pwm signal generation module is a PWM signal generator 400;
Power module 100, this power module 100 includes some diodes, and diodes in parallel connects, this power module
100 are used for providing voltage VCC and 3VSB；
Trigger module 200, this trigger module 200 is connected with above-mentioned PWM signal generator 400, and this trigger module 200 with
Power module 100 is connected, and described pwm signal inputs this trigger module 200 will produce the first control signal, in the present embodiment,
This trigger module 200 includes a trigger 2100, and this trigger 2100 is CMOS double D trigger, and this trigger 2100 wraps
Include:
One first pin 2101, this first pin 2101 is pwm signal input；
One second pin 2102, this second pin 2102 is connected with described power module 100；And
One the 3rd pin 2103；And
Display module 300, this display module 300 is connected with above-mentioned PWM signal generator 400, and this display module 300 with
Described trigger module 200 is connected, and this display module 300 includes LED light 3003, this LED light 3003 one end with described
Power module 100 is connected, and above-mentioned pwm signal and the first control signal input this display module 300 will produce the second control signal
With the 3rd control signal, described display module 300 is for the first control signal, the second control signal or the 3rd control signal
Signal pulse control described LED light 3003 light on and off time interval, in the present embodiment, described LED status shows
System includes two display modules 300.
Wherein, described display module 300 includes:
With door 3001, should be described pwm signal input with door 3001 one end, and should be with door 3001 and above-mentioned trigger
2100 the 3rd pins 2103 are connected, and in the present embodiment, should input and door for CMOS two with door 3001；
Triode 3002, base stage B of this triode 3002 and a resistance R1 are electrically connected with, and this resistance R1 other end and institute
State and be connected with door 3001；And
Buffer 3004, it is connected with above-mentioned trigger 2100 the 3rd pin 2103, this buffer 3004 and above-mentioned and door
3001 are connected, and this buffer 3004 is connected with described triode 3002.
In the present embodiment, referring to Fig. 2, in described power module 100, the negative pole end of diodes in parallel is voltage VCC,
Positive terminal is voltage 3VSB, and the model of described trigger 2100 is 74LVC74APWR, and 3 pin of this 74LVC74APWR are PWM letter
Number input, 4 pin connect a pull-up resistor R2,6 pin and 2 pin be connected, 5 described first control signals of pin output, this first control
The cycle of signal is the twice in pwm signal cycle, described pull-up resistor R2 mono-termination voltage VCC.
In the present embodiment, referring to Fig. 2, described is NC7S08 with door 3001 model, 1 pin of this NC7S08 with above-mentioned
5 pin of 74LVC74APWR are connected, 2 pin are pwm signal input, 3 pin ground connection, 4 pin described second control signals of output, this is the years old
Two control signals are pwm signal and the first control signal carry out with logical operation after the signal that generates；Described triode 3002 is
NPN type triode, base stage B of this triode 3002 is the second control signal input, the emitter E ground connection of triode 3002,
The colelctor electrode C of triode 3002 connects a pull-up resistor R2, this pull-up resistor R2 and 3VSB and is electrically connected with, and triode 3002
Described 3rd control signal of colelctor electrode C output, the 3rd control signal is the reverse output signal of the second control signal；Described slow
The model rushing device 3004 is 74LVC125, and 9 pin of this 74LVC125 meet the colelctor electrode C of triode 3002,5 pin meet the 4 of NC7S08
Pin, 2 pin connect 5 pin of 74LVC74APWR, 7 pin are grounded, 14 pin meet 3VSB, 3 pin, 6 pin, 8 pin and LED light 3003 negative electricity
Property connect, and 1 pin of the negative pole of LED light 3003 and 74LVC125,4 pin, 10 pin are high level or low level input,
Additionally, at 1 pin of the negative pole of LED light 3003 and 74LVC125,4 pin, 10 pin in this, input signal only one of which is
Low level, remaining is all high level.Wherein, LED light 3003 positive pole and voltage 3VSB are electrically connected with, additionally, 74LVC125
2 pin be the input that the input of the first control signal, 5 pin are the input of the second control signal, 9 pin are the 3rd control signal
End.
In the present embodiment, the light and shade time of definition LED light 3003 is Duty cycle, if setting a Duty
The time of cycle is 4 seconds, then when Duty cycle is 50%ON, during 50%OFF, and LED will be bright 2 seconds, goes out 2 seconds, if PWM letter
Number Duty cycle be 50%ON, 50%OFF, then the Duty cycle of the first control signal be 50%ON, 50%OFF, the second control
The Duty cycle of signal processed is 75%ON, 25%OFF, and the Duty cycle of the 3rd control signal is 25%ON, 75%OFF, please join
Readding Fig. 2, when the 1 pin input low level of 74LVC125,4 pin, 10 pin and the input of LED light 3003 negative pole are high level, then LED
The Duty cycle of indicator lamp 3003 is 50%ON, 50%OFF, by that analogy, in the present embodiment, and said two display module
300 can obtain multiple LED light 3003 shows state.
Compared to existing skill, the LED status display system of the present invention, by arranging trigger module 200 and display mould
Block 300, and this display module 300 include at least one with door 3001 and a buffer 3004, when input pwm signal, trigger module
200 will produce the first control signal, and then pwm signal and the first control signal are input simultaneously to and door 3001, defeated with door 3001
Going out end and producing the second control signal, this second control signal is input to triode 3002, will produce the 3rd control signal, then
First control signal, the second control signal and the 3rd control signal are input simultaneously to buffer 3004, due to LED light
3003 one end are electrical connected with described buffer 3004, and LED light 3003 can be made because of the different input signal of buffer 3004
And show multiple different state.The LED status display system of the present invention not only reduces LED and casing changes the cost of mould,
And reduce the loss of power supply.
Claims (9)
1. a LED status display system, it is characterised in that this LED status display system includes:
Pwm signal generation module, this pwm signal generation module is used for producing pwm signal；
Power module, this power module is used for providing voltage；
Trigger module, it is connected with above-mentioned pwm signal generation module, and this trigger module is connected with above-mentioned power module, described
Pwm signal inputs this trigger module will produce the first control signal；And
Display module, this display module is connected with above-mentioned pwm signal generation module, and this display module and described trigger module phase
Even, this display module includes LED light, and this LED light one end is connected with above-mentioned power module, above-mentioned pwm signal and the
One control signal inputs this display module will produce the second control signal and the 3rd control signal, and described display module is for the
The signal pulse of one control signal, the second control signal or the 3rd control signal controls the described LED light light on and off time
Interval.
2. LED status display system according to claim 1, it is characterised in that described pwm signal generation module is
One PWM signal generator.
3. LED status display system according to claim 1, it is characterised in that described power module includes some two
Pole is managed, and diodes in parallel connects.
4. LED status display system according to claim 1, it is characterised in that described trigger module includes a triggering
Device.
5. LED status display system according to claim 4, it is characterised in that described trigger is that the double D of CMOS touches
Send out device.
6. the LED status display system according to claim 4 or 5, it is characterised in that described trigger includes:
One first pin, this first pin is described pwm signal input；
One second pin, this second pin is connected with described power module；And
One the 3rd pin, the 3rd pin is connected with described display module.
7. LED status display system according to claim 4, it is characterised in that described display module includes:
With door, described pwm signal should be terminated with door one, and should be connected with door and above-mentioned trigger the 3rd pin；
Triode, this transistor base and above-mentioned and door electric connection；And
Buffer, it is connected with above-mentioned trigger the 3rd pin, and this buffer is connected with door with above-mentioned, and this buffer with described
Triode is electrically connected with.
8. LED status display system according to claim 7, it is characterised in that described be CMOS two input with door with
Door.
9. LED status display system according to claim 7, it is characterised in that described transistor base and a resistance
It is electrically connected with, and this resistance other end and described and door electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314945.6A CN104349528B (en) | 2013-07-25 | 2013-07-25 | LED status display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314945.6A CN104349528B (en) | 2013-07-25 | 2013-07-25 | LED status display system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104349528A CN104349528A (en) | 2015-02-11 |
| CN104349528B true CN104349528B (en) | 2016-10-05 |
Family
ID=52504057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310314945.6A Expired - Fee Related CN104349528B (en) | 2013-07-25 | 2013-07-25 | LED status display system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104349528B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TR201615970A2 (en) | 2016-11-08 | 2018-05-21 | Arcelik As | Standby led light for television that can be configured by the user |
| TWI672587B (en) * | 2018-07-20 | 2019-09-21 | 威剛科技股份有限公司 | Light-emitting control system and method |
| CN111315078A (en) * | 2020-02-25 | 2020-06-19 | 东风电子科技股份有限公司 | Brightness regulating circuit of alarm lamp |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101562934A (en) * | 2009-05-13 | 2009-10-21 | 华为技术有限公司 | Method and system for displaying third color by dual-color indicator lamp |
| CN101742772A (en) * | 2009-12-24 | 2010-06-16 | 海洋王照明科技股份有限公司 | Signal indication lamp and LED flashing control circuit |
| CN102316635A (en) * | 2011-06-29 | 2012-01-11 | 冠捷显示科技（厦门）有限公司 | Method and system for displaying various operating states by bicolor indicating lamp |
| CN103167682A (en) * | 2011-12-19 | 2013-06-19 | 中兴通讯股份有限公司 | Indication method, detection method, indication device, detection device and equipment of running status |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101751320A (en) * | 2008-12-04 | 2010-06-23 | 鸿富锦精密工业（深圳）有限公司 | Computer hardware device state indicating circuit |
-
2013
- 2013-07-25 CN CN201310314945.6A patent/CN104349528B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101562934A (en) * | 2009-05-13 | 2009-10-21 | 华为技术有限公司 | Method and system for displaying third color by dual-color indicator lamp |
| CN101742772A (en) * | 2009-12-24 | 2010-06-16 | 海洋王照明科技股份有限公司 | Signal indication lamp and LED flashing control circuit |
| CN102316635A (en) * | 2011-06-29 | 2012-01-11 | 冠捷显示科技（厦门）有限公司 | Method and system for displaying various operating states by bicolor indicating lamp |
| CN103167682A (en) * | 2011-12-19 | 2013-06-19 | 中兴通讯股份有限公司 | Indication method, detection method, indication device, detection device and equipment of running status |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104349528A (en) | 2015-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103929169B (en) | Sensor output level isolation change-over circuit, level isolation change-over circuit and equipment | |
| US20120098461A1 (en) | Power supply detecting circuit | |
| CN103929854A (en) | LED drive device and LED dimming controller thereof | |
| CN103425235A (en) | Single chip microcomputer low power consumption standby circuit and control method | |
| CN104349528B (en) | LED status display system | |
| US20140285031A1 (en) | Power on/off control system and power on/off control method | |
| JP3162070U (en) | Light controlled power supply | |
| CN102594300A (en) | Light-operated signal generating circuit | |
| CN103298210B (en) | Overvoltage protection circuit and electronic device with same | |
| CN207516929U (en) | Switching on and shutting down control circuit and mobile terminal | |
| CN202455617U (en) | Light-emitting diode (LED) lighting time delay circuit and LED lighting device | |
| CN104635569B (en) | A kind of multimode sequential control circuit | |
| CN203772938U (en) | A power failure detection circuit for DC power supply | |
| CN209133048U (en) | Wireless multifunctional development board circuit for experimental teaching | |
| CN102298955B (en) | Alarm sound chip, internal circuit and application circuit thereof | |
| CN214895749U (en) | Connection state detection circuit, connection state detection device, and electronic apparatus | |
| CN104881340B (en) | Electronic device | |
| CN204442329U (en) | A kind of mechanical switch remote-control module and intelligent switch | |
| CN202798970U (en) | HDMI (high-definition multimedia interface) device | |
| CN203883814U (en) | Key detection circuit and electronic device | |
| US8713392B2 (en) | Circuitry testing module and circuitry testing device | |
| CN106773905A (en) | A kind of being disappeared based on power supply sequential trembles the switching value output circuit of control | |
| CN205193723U (en) | Electric system in hard disk timesharing | |
| CN203761455U (en) | Power supply signal management circuit for electronic device and mobile terminal comprising the same | |
| CN203734755U (en) | HDMI interface circuit and TV set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20170725 |